#cotec-teacher-dashboard {
            --ctd-red: #cd1719;
            --ctd-red-dark: #a91113;
            --ctd-bg: #f7f8fb;
            --ctd-card: #ffffff;
            --ctd-soft-red: #fff0f0;
            --ctd-text: #141922;
            --ctd-muted: #667085;
            --ctd-border: #e8eaf0;
            --ctd-shadow: 0 16px 45px rgba(20, 25, 34, 0.08);
            --ctd-soft-shadow: 0 10px 26px rgba(20, 25, 34, 0.06);
            --ctd-radius: 24px;
            color: var(--ctd-text);
            font-family: Roboto, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
        }

        #cotec-teacher-dashboard.ctd-dark {
            --ctd-bg: #0d121a;
            --ctd-card: #151c27;
            --ctd-soft-red: rgba(205, 23, 25, 0.14);
            --ctd-text: #f7f7f7;
            --ctd-muted: #b7bfcc;
            --ctd-border: #2b3442;
            --ctd-shadow: 0 16px 45px rgba(0, 0, 0, 0.34);
            --ctd-soft-shadow: 0 10px 26px rgba(0, 0, 0, 0.24);
        }

        #cotec-teacher-dashboard:fullscreen {
            width: 100vw;
            height: 100vh;
            overflow: auto;
            background: var(--ctd-bg);
        }

        .ctd-app * {
            box-sizing: border-box;
        }

        .ctd-shell {
            min-height: 88vh;
            display: grid;
            grid-template-columns: 270px 1fr;
            background: var(--ctd-bg);
            border: 1px solid var(--ctd-border);
            border-radius: 28px;
            overflow: hidden;
            box-shadow: var(--ctd-shadow);
        }

        .ctd-sidebar {
            background: var(--ctd-card);
            border-right: 1px solid var(--ctd-border);
            padding: 28px 22px;
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .ctd-logo-img {
            width: 138px;
            max-height: 54px;
            object-fit: contain;
            display: block;
        }

        .ctd-sidebar-brand-link {
            display: inline-flex;
            align-items: center;
            text-decoration: none;
            border-radius: 14px;
            outline-offset: 4px;
        }

        .ctd-sidebar-brand-link:hover {
            opacity: .9;
        }

        .ctd-logo-dark {
            display: none;
        }

        .ctd-dark .ctd-logo-light {
            display: none;
        }

        .ctd-dark .ctd-logo-dark {
            display: block;
        }

        .ctd-sidebar-actions {
            display: grid;
            gap: 10px;
        }

        .ctd-sidebar-action {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--ctd-muted);
            text-decoration: none;
            padding: 14px;
            border-radius: 16px;
            border: 0;
            background: transparent;
            font-family: inherit;
            cursor: pointer;
            text-align: left;
            transition: background .15s ease, color .15s ease, transform .15s ease;
        }

        .ctd-sidebar-action span {
            width: 32px;
            height: 32px;
            display: grid;
            place-items: center;
            border-radius: 11px;
            background: rgba(127,127,127,.08);
            font-size: 18px;
        }

        .ctd-sidebar-action strong {
            font-size: 15px;
        }

        .ctd-sidebar-action:hover,
        .ctd-sidebar-action.is-primary {
            color: var(--ctd-red);
            background: var(--ctd-soft-red);
            transform: translateX(2px);
        }

        .ctd-sidebar-privacy {
            margin-top: auto;
            border: 1px solid var(--ctd-border);
            border-radius: 22px;
            padding: 18px;
            background:
                radial-gradient(circle at bottom right, rgba(205,23,25,.12), transparent 45%),
                var(--ctd-card);
            box-shadow: var(--ctd-soft-shadow);
            display: grid;
            gap: 8px;
        }

        .ctd-sidebar-privacy span {
            color: var(--ctd-muted);
            font-size: 13px;
            line-height: 1.35;
        }

        .ctd-content {
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .ctd-topbar {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 26px 30px;
            background: rgba(255,255,255,.68);
            border-bottom: 1px solid var(--ctd-border);
            backdrop-filter: blur(12px);
        }

        .ctd-dark .ctd-topbar {
            background: rgba(21,28,39,.72);
        }

        .ctd-welcome {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .ctd-welcome-icon {
            width: 62px;
            height: 62px;
            display: grid;
            place-items: center;
            border-radius: 20px;
            background: var(--ctd-soft-red);
            font-size: 34px;
        }

        .ctd-title {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 1000;
            line-height: 1.05;
            letter-spacing: -.8px;
        }

        .ctd-subtitle {
            margin-top: 6px;
            color: var(--ctd-muted);
            font-size: 15px;
        }

        .ctd-main {
            padding: 26px 30px 30px;
        }

        .ctd-tools-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 18px;
        }

        .ctd-tool-card {
            position: relative;
            background: var(--ctd-card);
            border: 1px solid var(--ctd-border);
            border-radius: var(--ctd-radius);
            padding: 20px;
            min-height: 330px;
            box-shadow: var(--ctd-soft-shadow);
            display: flex;
            flex-direction: column;
            gap: 16px;
            overflow: hidden;
        }

        .ctd-tool-card.is-hidden {
            display: none;
        }

        .ctd-tool-card-wide {
            min-height: 250px;
        }

        .ctd-tool-card-full {
            grid-column: 1 / -1;
            min-height: 270px;
        }

        .ctd-tool-card-signals {
            min-height: 250px;
        }

        .ctd-tool-card::after {
            content: "";
            position: absolute;
            inset: auto -40px -70px auto;
            width: 150px;
            height: 150px;
            border-radius: 50%;
            background: rgba(205,23,25,.055);
            pointer-events: none;
        }

        .ctd-card-menu {
            position: absolute;
            right: 16px;
            top: 16px;
            z-index: 2;
        }

        .ctd-tool-head {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding-right: 36px;
        }

        .ctd-tool-icon {
            width: 46px;
            height: 46px;
            border-radius: 16px;
            background: var(--ctd-soft-red);
            color: var(--ctd-red);
            display: grid;
            place-items: center;
            font-size: 24px;
            flex: 0 0 auto;
        }

        .ctd-tool-head h3 {
            margin: 0 0 5px;
            font-size: 23px;
            letter-spacing: -.4px;
        }

        .ctd-tool-head p {
            margin: 0;
            color: var(--ctd-muted);
            font-size: 14px;
            line-height: 1.35;
        }

        .ctd-horizontal-content {
            display: grid;
            grid-template-columns: 170px 1fr;
            gap: 18px;
            align-items: center;
            flex: 1;
        }

        .ctd-text-block {
            display: grid;
            gap: 9px;
        }

        .ctd-text-block strong {
            font-size: 20px;
        }

        .ctd-text-block span {
            color: var(--ctd-muted);
            line-height: 1.4;
        }

        .ctd-illustration {
            min-height: 128px;
            border-radius: 26px;
            display: grid;
            place-items: center;
            background:
                radial-gradient(circle at center, rgba(205,23,25,.15), transparent 58%),
                linear-gradient(135deg, rgba(205,23,25,.05), rgba(255,255,255,.04));
        }

        .ctd-illustration span {
            font-size: clamp(68px, 8vw, 104px);
            filter: drop-shadow(0 14px 12px rgba(205,23,25,.12));
        }

        .ctd-signal-button-list {
            display: grid;
            gap: 12px;
            margin-top: auto;
        }

        .ctd-signal-button-row {
            display: grid;
            grid-template-columns: 1fr 42px;
            gap: 10px;
            align-items: stretch;
        }

        .ctd-signal-button-row-simple {
            grid-template-columns: 1fr;
        }

        .ctd-signal-big-button {
            width: 100%;
            min-height: 76px;
            border: 1px solid var(--ctd-border);
            border-radius: 20px;
            background: var(--ctd-soft-red);
            color: var(--ctd-red);
            font-family: inherit;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px;
            text-align: left;
            transition: transform .15s ease, background .15s ease;
        }

        .ctd-signal-big-button span {
            width: 46px;
            height: 46px;
            display: grid;
            place-items: center;
            border-radius: 16px;
            background: #fff;
            font-size: 25px;
            flex: 0 0 auto;
        }

        .ctd-dark .ctd-signal-big-button span {
            background: rgba(255,255,255,.08);
        }

        .ctd-signal-big-button strong {
            font-size: 18px;
            line-height: 1.2;
        }

        .ctd-signal-big-button:hover {
            transform: translateY(-1px);
            background: rgba(205,23,25,.13);
        }

        .ctd-timer-ring {
            position: relative;
            margin: 4px auto 0;
            width: 174px;
            height: 174px;
            border-radius: 50%;
            display: grid;
            place-items: center;
            background:
                radial-gradient(circle, var(--ctd-card) 56%, transparent 57%),
                conic-gradient(var(--ctd-red) 0 78%, rgba(205,23,25,.12) 78% 100%);
            box-shadow: inset 0 0 0 10px rgba(205,23,25,.03);
        }

        .ctd-timer-ring span {
            margin-top: 52px;
            color: var(--ctd-muted);
            font-weight: 900;
            font-size: 12px;
        }

        .ctd-timer-display {
            position: absolute;
            font-size: 44px;
            line-height: 1;
            font-weight: 1000;
            letter-spacing: -2px;
            color: var(--ctd-red);
            text-align: center;
            font-variant-numeric: tabular-nums;
        }

        .ctd-timer-inputs,
        .ctd-two-cols {
            display: grid;
            grid-template-columns: 1fr 1fr auto;
            gap: 8px;
            align-items: end;
        }

        .ctd-two-cols {
            grid-template-columns: 1fr 1fr;
        }

        .ctd-timer-inputs label,
        .ctd-field,
        .ctd-math-inline-settings label {
            display: grid;
            gap: 6px;
            color: var(--ctd-muted);
            font-size: 13px;
            font-weight: 900;
        }

        .ctd-timer-inputs input,
        .ctd-field input,
        .ctd-field textarea,
        .ctd-field select,
        .ctd-math-inline-settings input,
        .ctd-math-inline-settings select {
            width: 100%;
            border: 1px solid var(--ctd-border);
            border-radius: 14px;
            padding: 12px 13px;
            background: var(--ctd-card);
            color: var(--ctd-text);
            font-family: inherit;
            font-weight: 900;
            min-height: 46px;
        }

        .ctd-field textarea {
            resize: vertical;
        }

        .ctd-checkbox-line {
            display: flex;
            align-items: center;
            gap: 9px;
            color: var(--ctd-muted);
            font-size: 14px;
            font-weight: 900;
            margin-top: 12px;
        }

        .ctd-checkbox-line input {
            width: 18px;
            height: 18px;
            accent-color: var(--ctd-red);
        }

        .ctd-illustration-random {
            min-height: 150px;
        }

        .ctd-illustration-random span {
            font-size: clamp(70px, 8vw, 112px);
        }

        .ctd-math-card-row {
            display: grid;
            grid-template-columns: 140px minmax(580px, 1fr) minmax(220px, .55fr);
            gap: 22px;
            align-items: center;
            flex: 1;
        }

        .ctd-math-config-area {
            min-width: 0;
        }

        .ctd-math-inline-settings {
            display: grid;
            grid-template-columns: minmax(340px, 2.2fr) minmax(130px, .8fr) minmax(190px, .9fr);
            gap: 12px;
            align-items: end;
        }

        .ctd-math-category-field select {
            min-width: 340px;
        }

        .ctd-math-start-block {
            align-self: end;
        }

        .ctd-tool-card-vocab {
            min-height: 270px;
        }

        .ctd-vocab-card-row {
            display: grid;
            grid-template-columns: 140px minmax(580px, 1fr) minmax(240px, .6fr);
            gap: 22px;
            align-items: center;
            flex: 1;
        }

        .ctd-vocab-config-area {
            min-width: 0;
        }

        .ctd-vocab-inline-settings {
            display: grid;
            grid-template-columns: minmax(300px, 1.6fr) minmax(130px, .75fr) minmax(190px, .9fr);
            gap: 12px;
            align-items: end;
        }

        .ctd-vocab-inline-settings label {
            display: grid;
            gap: 6px;
            color: var(--ctd-muted);
            font-size: 13px;
            font-weight: 900;
        }

        .ctd-vocab-inline-settings input,
        .ctd-vocab-inline-settings select {
            width: 100%;
            border: 1px solid var(--ctd-border);
            border-radius: 14px;
            padding: 12px 13px;
            background: var(--ctd-card);
            color: var(--ctd-text);
            font-family: inherit;
            font-weight: 900;
            min-height: 46px;
        }

        .ctd-vocab-direction-field select {
            min-width: 300px;
        }

        .ctd-vocab-start-block {
            align-self: end;
        }

        .ctd-vocab-card-actions {
            display: grid;
            grid-template-columns: 1fr;
            gap: 10px;
            margin-top: 4px;
        }

        .ctd-vocab-card-actions .ctd-big-btn,
        .ctd-vocab-card-actions .ctd-secondary-btn {
            width: 100%;
            margin-top: 0;
        }


        .ctd-info-icon-btn {
            font-weight: 1000;
            font-style: normal;
            font-size: 16px;
            line-height: 1;
        }

        .ctd-fresh-inline-settings {
            display: grid;
            gap: 12px;
            margin: 16px 0 2px;
        }

        .ctd-fresh-main-settings {
            align-items: center;
        }

        .ctd-fresh-music-line {
            margin-top: 22px;
            min-height: 46px;
            align-items: center;
        }

        .ctd-tool-info-body {
            display: grid;
            gap: 12px;
            color: var(--ctd-muted);
            line-height: 1.5;
        }

        .ctd-tool-info-body h3 {
            margin: 0;
            color: var(--ctd-text);
            font-size: 20px;
        }

        .ctd-tool-info-body ul {
            margin: 0;
            padding-left: 20px;
        }

        .ctd-settings-alert {
            display: none;
            background: rgba(205, 23, 25, 0.08);
            color: var(--ctd-red);
            border-left: 4px solid var(--ctd-red);
            padding: 11px 13px;
            border-radius: 14px;
            font-size: 14px;
            line-height: 1.35;
            font-weight: 900;
            margin-bottom: 14px;
        }

        .ctd-settings-alert.is-visible {
            display: block;
        }

        .ctd-fresh-settings-block {
            display: grid;
            gap: 8px;
            margin: 14px 0;
        }

        .ctd-fresh-settings-block > strong {
            font-size: 15px;
            font-weight: 1000;
            color: var(--ctd-text);
        }

        .ctd-fresh-exercise-settings {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 8px;
        }

        .ctd-fresh-exercise-option {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
            padding: 10px 12px;
            border: 1px solid var(--ctd-border);
            border-radius: 14px;
            background: var(--ctd-card);
            color: var(--ctd-text);
            font-size: 14px;
            font-weight: 900;
            line-height: 1.25;
        }

        .ctd-fresh-exercise-option input[type="checkbox"] {
            appearance: auto;
            -webkit-appearance: auto;
            width: 18px;
            height: 18px;
            min-width: 18px;
            accent-color: var(--ctd-red);
        }

        .ctd-fresh-exercise-option span {
            min-width: 0;
        }

        .ctd-random-content {
            align-items: center;
        }

        .ctd-random-info {
            align-content: center;
            gap: 14px;
        }

        .ctd-random-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .ctd-random-badge {
            display: inline-flex;
            align-items: center;
            width: fit-content;
            max-width: 100%;
            padding: 8px 11px;
            border-radius: 999px;
            background: var(--ctd-soft-red);
            color: var(--ctd-red);
            font-size: 13px;
            font-weight: 1000;
            line-height: 1.2;
            white-space: nowrap;
        }

        .ctd-random-badge.is-soft {
            background: rgba(127,127,127,.08);
            color: var(--ctd-muted);
        }

        .ctd-random-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: stretch;
        }

        .ctd-random-actions .ctd-big-btn,
        .ctd-random-actions .ctd-secondary-btn {
            flex: 1 1 150px;
            width: auto;
            margin-top: 0;
        }

        .ctd-compact-actions,
        .ctd-stage-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        .ctd-primary-btn,
        .ctd-secondary-btn,
        .ctd-mini-icon-btn,
        .ctd-big-btn,
        .ctd-close-btn,
        .ctd-overlay-close,
        .ctd-link-btn,
        .ctd-stage-close {
            font-family: inherit;
            border: 0;
            cursor: pointer;
            transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
        }

        .ctd-primary-btn,
        .ctd-big-btn {
            background: var(--ctd-red);
            color: #fff;
            border-radius: 15px;
            padding: 12px 15px;
            font-weight: 1000;
            box-shadow: 0 10px 18px rgba(205, 23, 25, .18);
        }

        .ctd-big-btn {
            width: 100%;
            margin-top: auto;
            font-size: 16px;
            padding: 14px 18px;
        }

        .ctd-primary-btn:hover,
        .ctd-big-btn:hover {
            background: var(--ctd-red-dark);
            transform: translateY(-1px);
        }

        .ctd-secondary-btn,
        .ctd-mini-icon-btn {
            background: var(--ctd-card);
            color: var(--ctd-text);
            border: 1px solid var(--ctd-border);
            border-radius: 15px;
            padding: 11px 14px;
            font-weight: 900;
            box-shadow: 0 7px 18px rgba(20,25,34,.04);
        }

        .ctd-mini-icon-btn {
            width: 42px;
            height: 42px;
            padding: 0;
            border-radius: 14px;
            font-size: 22px;
            line-height: 1;
        }

        .ctd-secondary-btn:hover,
        .ctd-mini-icon-btn:hover {
            transform: translateY(-1px);
            background: var(--ctd-soft-red);
            color: var(--ctd-red);
        }

        .ctd-link-btn {
            color: var(--ctd-red);
            font-weight: 1000;
            text-decoration: none;
            background: transparent;
            padding: 0;
            border: 0;
            text-align: left;
        }

        .ctd-privacy-note {
            background: rgba(205, 23, 25, 0.08);
            color: var(--ctd-text);
            border-left: 4px solid var(--ctd-red);
            padding: 12px 14px;
            border-radius: 14px;
            font-size: 14px;
            line-height: 1.45;
            font-weight: 800;
        }

        .ctd-modal,
        .ctd-overlay,
        .ctd-sixseven-overlay,
        .ctd-vocab-overlay,
        .ctd-random-overlay,
        .ctd-fresh-overlay,
        .ctd-groups-overlay,
        .ctd-math-overlay {
            position: fixed;
            inset: 0;
            display: none;
            z-index: 999999;
        }

        .ctd-modal.is-open,
        .ctd-overlay.is-open,
        .ctd-sixseven-overlay.is-open,
        .ctd-vocab-overlay.is-open,
        .ctd-random-overlay.is-open,
        .ctd-fresh-overlay.is-open,
        .ctd-groups-overlay.is-open,
        .ctd-math-overlay.is-open {
            display: grid;
        }

        .ctd-modal {
            place-items: center;
            background: rgba(0, 0, 0, 0.48);
            padding: 20px;
        }

        .ctd-modal-box {
            width: min(680px, 100%);
            max-height: calc(100vh - 40px);
            overflow: auto;
            background: var(--ctd-card);
            color: var(--ctd-text);
            border-radius: 24px;
            padding: 24px;
            box-shadow: var(--ctd-shadow);
        }

        .ctd-modal-head {
            display: flex;
            justify-content: space-between;
            gap: 18px;
            align-items: center;
            margin-bottom: 12px;
        }

        .ctd-modal-head h2 {
            margin: 0;
            font-size: 26px;
        }

        .ctd-close-btn {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(127, 127, 127, 0.16);
            color: inherit;
            font-size: 28px;
            line-height: 1;
        }

        .ctd-check-list {
            display: grid;
            gap: 10px;
            margin-top: 18px;
        }

        .ctd-check-list label {
            display: flex;
            gap: 10px;
            align-items: center;
            padding: 12px;
            border: 1px solid var(--ctd-border);
            border-radius: 14px;
            font-weight: 900;
        }

        .ctd-check-list input {
            transform: scale(1.2);
            accent-color: var(--ctd-red);
        }

        .ctd-tool-toggle-row {
            align-items: flex-start !important;
        }

        .ctd-tool-toggle-row span {
            display: grid;
            gap: 3px;
            min-width: 0;
        }

        .ctd-tool-toggle-row small {
            color: var(--ctd-muted);
            font-size: 12px;
            line-height: 1.35;
            font-weight: 700;
        }

        .ctd-tool-settings-panel {
            display: none;
        }

        .ctd-tool-settings-panel.is-active {
            display: block;
        }

        .ctd-small-note {
            color: var(--ctd-muted);
            font-size: 13px;
            margin: 8px 0 14px;
        }

        .ctd-overlay {
            place-items: center;
            background: radial-gradient(circle at center, rgba(205,23,25,0.96), rgba(80,0,0,0.98));
            color: #fff;
            text-align: center;
            padding: 30px;
        }

        .ctd-overlay-icon {
            font-size: clamp(66px, 12vw, 150px);
            margin-bottom: 18px;
        }

        .ctd-overlay-message {
            font-size: clamp(42px, 8vw, 112px);
            line-height: 1.02;
            font-weight: 1000;
            letter-spacing: -2px;
        }

        .ctd-overlay-close {
            margin-top: 30px;
            background: #fff;
            color: var(--ctd-red);
            padding: 14px 20px;
            border-radius: 999px;
            font-weight: 1000;
        }

        .ctd-sixseven-overlay {
            place-items: center;
            background:
                radial-gradient(circle at top left, rgba(255,255,255,0.2), transparent 34%),
                linear-gradient(135deg, rgba(205,23,25,0.98), rgba(32,33,36,0.98));
            color: #fff;
            text-align: center;
            padding: 28px;
        }

        .ctd-sixseven-stage {
            position: relative;
            width: min(980px, 100%);
            min-height: min(720px, calc(100vh - 56px));
            border-radius: 34px;
            background: rgba(255,255,255,0.13);
            border: 1px solid rgba(255,255,255,0.25);
            box-shadow: 0 30px 80px rgba(0,0,0,0.35);
            backdrop-filter: blur(12px);
            padding: clamp(22px, 4vw, 46px);
            display: grid;
            place-items: center;
            gap: 22px;
        }

        .ctd-sixseven-close {
            position: absolute;
            top: 22px;
            right: 22px;
        }

        .ctd-sixseven-gif-wrap {
            width: min(520px, 82vw);
            aspect-ratio: 1 / 1;
            border-radius: 34px;
            background: rgba(255,255,255,0.18);
            display: grid;
            place-items: center;
            overflow: hidden;
            box-shadow: 0 24px 70px rgba(0,0,0,0.25);
        }

        .ctd-sixseven-gif {
            width: 100%;
            height: 100%;
            object-fit: contain;
            display: block;
        }

        .ctd-sixseven-title {
            font-size: clamp(46px, 8vw, 112px);
            line-height: 1;
            font-weight: 1000;
            letter-spacing: -2px;
            text-shadow: 0 12px 32px rgba(0,0,0,0.24);
        }

        .ctd-confetti {
            position: fixed;
            inset: 0;
            pointer-events: none;
            z-index: 1000000;
            overflow: hidden;
        }

        .ctd-confetti span {
            position: absolute;
            top: -20px;
            width: 10px;
            height: 18px;
            animation: ctd-fall 1.2s ease-out forwards;
        }

        @keyframes ctd-fall {
            to {
                transform: translateY(110vh) rotate(360deg);
                opacity: 0;
            }
        }

        .ctd-vocab-overlay,
        .ctd-random-overlay,
        .ctd-fresh-overlay,
        .ctd-groups-overlay,
        .ctd-math-overlay {
            background:
                radial-gradient(circle at top left, rgba(255,255,255,0.18), transparent 32%),
                linear-gradient(135deg, rgba(205,23,25,0.98), rgba(32,33,36,0.98));
            color: #fff;
            padding: 28px;
            place-items: center;
        }

        .ctd-vocab-stage,
        .ctd-random-stage,
        .ctd-fresh-stage,
        .ctd-groups-stage,
        .ctd-math-stage {
            width: min(1180px, 100%);
            min-height: min(760px, calc(100vh - 56px));
            border-radius: 34px;
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.25);
            box-shadow: 0 30px 80px rgba(0,0,0,0.35);
            backdrop-filter: blur(12px);
            padding: clamp(22px, 3vw, 42px);
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .ctd-stage-top {
            display: flex;
            justify-content: space-between;
            gap: 24px;
            align-items: flex-start;
        }

        .ctd-stage-kicker {
            font-size: 15px;
            font-weight: 1000;
            text-transform: uppercase;
            letter-spacing: .12em;
            opacity: .8;
        }

        .ctd-stage-top h2 {
            margin: 6px 0 0;
            color: #fff;
            font-size: clamp(38px, 6vw, 82px);
            line-height: 1;
            letter-spacing: -2px;
        }

        .ctd-stage-close {
            border-radius: 999px;
            padding: 14px 20px;
            background: #fff;
            color: var(--ctd-red);
            font-weight: 1000;
        }

        .ctd-stage-actions .ctd-secondary-btn {
            background: rgba(255,255,255,0.2);
            color: #fff;
        }

        .ctd-random-stage-body {
            flex: 1;
            display: grid;
            place-items: center;
            text-align: center;
            gap: 22px;
        }

        .ctd-random-stage-label,
        .ctd-random-stage-subline {
            font-size: clamp(18px, 2vw, 28px);
            font-weight: 1000;
            opacity: .9;
        }

        .ctd-random-stage-subline {
            opacity: .78;
        }

        .ctd-random-stage-display {
            width: 100%;
            max-width: 100%;
            font-size: clamp(82px, 13vw, 220px);
            font-weight: 1000;
            line-height: .95;
            word-break: break-word;
            overflow-wrap: anywhere;
            text-align: center;
        }

        .ctd-random-stage-display.is-medium {
            font-size: clamp(56px, 8vw, 130px);
            line-height: 1;
        }

        .ctd-random-stage-display.is-long {
            font-size: clamp(34px, 5vw, 82px);
            line-height: 1.08;
        }

        .ctd-vocab-body {
            flex: 1;
            display: grid;
            place-items: center;
            text-align: center;
            gap: 18px;
        }

        .ctd-vocab-meta {
            font-size: clamp(22px, 3vw, 34px);
            font-weight: 1000;
            opacity: .85;
        }

        .ctd-vocab-question {
            width: 100%;
            max-width: 100%;
            font-size: clamp(58px, 10vw, 156px);
            font-weight: 1000;
            line-height: 1;
            word-break: break-word;
            overflow-wrap: anywhere;
        }

        .ctd-vocab-countdown {
            width: clamp(150px, 18vw, 230px);
            height: clamp(150px, 18vw, 230px);
            display: grid;
            place-items: center;
            border-radius: 50%;
            background: #fff;
            color: var(--ctd-red);
            font-size: clamp(70px, 9vw, 126px);
            font-weight: 1000;
            font-variant-numeric: tabular-nums;
            box-shadow: 0 20px 55px rgba(0,0,0,0.22);
        }

        .ctd-vocab-answer {
            min-height: 96px;
            width: 100%;
            max-width: 100%;
            font-size: clamp(48px, 8vw, 122px);
            font-weight: 1000;
            color: #fff;
            line-height: 1.05;
            word-break: break-word;
            overflow-wrap: anywhere;
        }

        .ctd-fresh-stage-body {
            flex: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: clamp(24px, 4vw, 56px);
            align-items: center;
        }

        .ctd-fresh-visual {
            min-height: 390px;
            border-radius: 34px;
            display: grid;
            place-items: center;
            background:
                radial-gradient(circle at center, rgba(255,255,255,0.28), rgba(255,255,255,0.08));
            overflow: hidden;
            position: relative;
            box-shadow: inset 0 0 0 1px rgba(255,255,255,0.22);
        }

        .ctd-fresh-image {
            width: 100%;
            height: 100%;
            min-height: 390px;
            object-fit: cover;
            display: block;
        }

        .ctd-fresh-emoji {
            display: none;
            font-size: clamp(120px, 18vw, 250px);
            animation: ctd-fresh-bounce 1s ease-in-out infinite;
        }

        .ctd-fresh-visual.has-fallback .ctd-fresh-image {
            display: none;
        }

        .ctd-fresh-visual.has-fallback .ctd-fresh-emoji {
            display: block;
        }

        @keyframes ctd-fresh-bounce {
            0%, 100% { transform: translateY(0) scale(1); }
            50% { transform: translateY(-14px) scale(1.04); }
        }

        .ctd-fresh-instruction {
            display: grid;
            gap: 20px;
        }

        .ctd-fresh-countdown,
        .ctd-math-countdown {
            width: clamp(150px, 18vw, 230px);
            height: clamp(150px, 18vw, 230px);
            display: grid;
            place-items: center;
            border-radius: 50%;
            background: #fff;
            color: var(--ctd-red);
            font-size: clamp(70px, 9vw, 126px);
            font-weight: 1000;
            font-variant-numeric: tabular-nums;
            box-shadow: 0 20px 55px rgba(0,0,0,0.22);
        }

        .ctd-fresh-instruction p {
            margin: 0;
            font-size: clamp(24px, 3vw, 42px);
            line-height: 1.15;
            font-weight: 1000;
        }

        .ctd-fresh-step {
            font-size: 18px;
            font-weight: 1000;
            opacity: .78;
        }

        .ctd-groups-result {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 16px;
        }

        .ctd-group-box {
            background: rgba(255,255,255,0.92);
            color: #202124;
            border-radius: 22px;
            padding: 18px;
        }

        .ctd-group-box h3 {
            margin: 0 0 12px;
            color: var(--ctd-red);
            font-size: 22px;
        }

        .ctd-group-box ul {
            margin: 0;
            padding-left: 20px;
            font-weight: 900;
            line-height: 1.7;
        }

        .ctd-math-body {
            flex: 1;
            display: grid;
            place-items: center;
            text-align: center;
            gap: 18px;
        }

        .ctd-math-meta {
            font-size: clamp(22px, 3vw, 34px);
            font-weight: 1000;
            opacity: .85;
        }

        .ctd-math-question {
            font-size: clamp(64px, 11vw, 170px);
            font-weight: 1000;
            line-height: 1;
        }

        .ctd-math-answer {
            min-height: 100px;
            font-size: clamp(54px, 9vw, 132px);
            font-weight: 1000;
            color: #fff;
            line-height: 1;
        }

        .ctd-reading-card-row {
            display: grid;
            grid-template-columns: 140px minmax(360px, 1fr) minmax(260px, .65fr);
            gap: 22px;
            align-items: center;
            flex: 1;
        }

        .ctd-reading-config-area {
            min-width: 0;
        }

        .ctd-reading-inline-settings {
            display: grid;
            grid-template-columns: minmax(130px, .8fr) minmax(190px, .9fr);
            gap: 12px;
            align-items: end;
        }

        .ctd-reading-inline-settings label {
            display: grid;
            gap: 6px;
            color: var(--ctd-muted);
            font-size: 13px;
            font-weight: 900;
        }

        .ctd-reading-inline-settings input {
            width: 100%;
            border: 1px solid var(--ctd-border);
            border-radius: 14px;
            padding: 12px 13px;
            background: var(--ctd-card);
            color: var(--ctd-text);
            font-family: inherit;
            font-weight: 900;
            min-height: 46px;
        }

        .ctd-reading-start-block {
            align-self: end;
        }

        .ctd-reading-card-actions {
            display: grid;
            grid-template-columns: 1fr;
            gap: 10px;
            margin-top: 4px;
        }

        .ctd-reading-card-actions .ctd-big-btn {
            margin-top: 0;
        }

        .ctd-reading-overlay {
            position: fixed;
            inset: 0;
            display: none;
            z-index: 999999;
            background:
                radial-gradient(circle at top left, rgba(255,255,255,0.18), transparent 32%),
                linear-gradient(135deg, rgba(205,23,25,0.98), rgba(32,33,36,0.98));
            color: #fff;
            padding: 28px;
            place-items: center;
        }

        .ctd-reading-overlay.is-open {
            display: grid;
        }

        .ctd-reading-stage {
            width: min(1180px, 100%);
            min-height: min(760px, calc(100vh - 56px));
            border-radius: 34px;
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.25);
            box-shadow: 0 30px 80px rgba(0,0,0,0.35);
            backdrop-filter: blur(12px);
            padding: clamp(22px, 3vw, 42px);
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .ctd-reading-body {
            flex: 1;
            display: grid;
            place-items: center;
            text-align: center;
            gap: 18px;
        }

        .ctd-reading-meta {
            font-size: clamp(22px, 3vw, 34px);
            font-weight: 1000;
            opacity: .85;
        }

        .ctd-reading-question {
            max-width: 100%;
            font-size: clamp(70px, 12vw, 180px);
            font-weight: 1000;
            line-height: 1;
            overflow-wrap: anywhere;
            word-break: break-word;
        }

        .ctd-reading-countdown {
            width: clamp(150px, 18vw, 230px);
            height: clamp(150px, 18vw, 230px);
            display: grid;
            place-items: center;
            border-radius: 50%;
            background: #fff;
            color: var(--ctd-red);
            font-size: clamp(70px, 9vw, 126px);
            font-weight: 1000;
            font-variant-numeric: tabular-nums;
            box-shadow: 0 20px 55px rgba(0,0,0,0.22);
        }

        .ctd-reading-finish {
            min-height: 70px;
            font-size: clamp(34px, 6vw, 92px);
            font-weight: 1000;
            color: #fff;
            line-height: 1.05;
            overflow-wrap: anywhere;
            word-break: break-word;
        }

        @media (max-width: 1320px) {
            .ctd-tools-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .ctd-math-card-row,
            .ctd-vocab-card-row {
                grid-template-columns: 120px 1fr;
            }

            .ctd-math-start-block,
            .ctd-vocab-start-block {
                grid-column: 1 / -1;
            }

            .ctd-math-inline-settings,
            .ctd-vocab-inline-settings {
                grid-template-columns: minmax(320px, 1.6fr) minmax(120px, .7fr) minmax(180px, .7fr);
            }
        }

        @media (max-width: 1100px) {
            .ctd-shell {
                grid-template-columns: 1fr;
            }

            .ctd-sidebar {
                border-right: 0;
                border-bottom: 1px solid var(--ctd-border);
            }

            .ctd-sidebar-actions {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .ctd-sidebar-privacy {
                margin-top: 0;
            }
        }

        @media (max-width: 900px) {
            .ctd-tools-grid {
                grid-template-columns: 1fr;
            }

            .ctd-horizontal-content,
            .ctd-math-card-row,
            .ctd-vocab-card-row,
            .ctd-math-inline-settings,
            .ctd-vocab-inline-settings {
                grid-template-columns: 1fr;
            }

            .ctd-math-category-field select,
            .ctd-vocab-direction-field select {
                min-width: 0;
            }

            .ctd-fresh-stage-body {
                grid-template-columns: 1fr;
            }

            .ctd-fresh-visual {
                min-height: 220px;
                font-size: 110px;
            }

            .ctd-fresh-countdown,
            .ctd-vocab-countdown,
            .ctd-reading-countdown,
            .ctd-math-countdown {
                width: 140px;
                height: 140px;
            }
        }

        @media (max-width: 620px) {
            .ctd-main,
            .ctd-topbar,
            .ctd-sidebar {
                padding: 18px;
            }

            .ctd-welcome {
                align-items: flex-start;
            }

            .ctd-welcome-icon {
                width: 50px;
                height: 50px;
                font-size: 28px;
            }

            .ctd-timer-inputs,
            .ctd-two-cols {
                grid-template-columns: 1fr;
            }

            .ctd-sidebar-actions {
                grid-template-columns: 1fr;
            }

            .ctd-compact-actions button {
                width: 100%;
            }

            .ctd-vocab-overlay,
            .ctd-random-overlay,
            .ctd-fresh-overlay,
            .ctd-groups-overlay,
            .ctd-math-overlay {
                padding: 14px;
            }

            .ctd-vocab-stage,
            .ctd-random-stage,
            .ctd-fresh-stage,
            .ctd-groups-stage,
            .ctd-math-stage {
                border-radius: 24px;
                min-height: calc(100vh - 28px);
            }

            .ctd-stage-top {
                flex-direction: column;
            }
        }
    

        /* v2.8.1: fokussierte Tool-Ansicht */
        .ctd-sidebar-section {
            display: grid;
            gap: 10px;
        }

        .ctd-sidebar-label {
            color: var(--ctd-muted);
            font-size: 11px;
            font-weight: 1000;
            letter-spacing: .12em;
            text-transform: uppercase;
            padding: 0 6px;
        }

        .ctd-tool-picker {
            position: relative;
            display: block;
            width: 100%;
        }

        .ctd-tool-picker::after {
            content: '⌄';
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-52%);
            color: var(--ctd-red);
            font-weight: 1000;
            pointer-events: none;
        }

        .ctd-tool-picker-current {
            display: none;
        }

        .ctd-tool-select {
            width: 100%;
            min-height: 52px;
            border: 1px solid var(--ctd-border);
            border-radius: 18px;
            background: #fff;
            color: var(--ctd-ink);
            font-family: inherit;
            font-size: 15px;
            font-weight: 500;
            line-height: 1.2;
            padding: 0 44px 0 16px;
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            outline: none;
            box-shadow: inset 3px 0 0 var(--ctd-red), 0 8px 18px rgba(15,23,42,.045);
            transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
        }

        .ctd-tool-select:focus {
            border-color: var(--ctd-red);
            box-shadow: 0 0 0 4px rgba(205,23,25,.12);
        }

        .ctd-tool-select option {
            font-weight: 400;
            color: #111827;
            background: #fff;
        }

        .ctd-tool-select option[data-tool-category="true"] {
            font-weight: 900;
            color: #374151;
            background: #f3f4f6;
        }

        .ctd-dark .ctd-tool-select {
            color: #fff;
            background: rgba(255,255,255,.06);
            border-color: rgba(255,255,255,.14);
            box-shadow: inset 3px 0 0 var(--ctd-red), 0 8px 18px rgba(0,0,0,.16);
        }

        .ctd-tool-nav-list {
            display: grid;
            gap: 8px;
        }

        .ctd-tool-nav-item {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 11px;
            border: 1px solid transparent;
            border-radius: 16px;
            background: transparent;
            color: var(--ctd-muted);
            padding: 11px 12px;
            font-family: inherit;
            text-align: left;
            cursor: pointer;
            transition: background .15s ease, color .15s ease, border-color .15s ease, transform .15s ease, box-shadow .15s ease;
        }

        .ctd-tool-nav-item span {
            width: 34px;
            height: 34px;
            display: grid;
            place-items: center;
            border-radius: 12px;
            background: rgba(127,127,127,.08);
            font-size: 18px;
            flex: 0 0 auto;
        }

        .ctd-tool-nav-item strong {
            font-size: 14px;
            line-height: 1.15;
            font-weight: 1000;
        }

        .ctd-tool-nav-item:hover {
            color: var(--ctd-red);
            background: var(--ctd-soft-red);
            transform: translateX(2px);
        }

        .ctd-tool-nav-item.is-active {
            color: var(--ctd-red);
            background: var(--ctd-soft-red);
            border-color: rgba(205,23,25,.18);
            box-shadow: 0 10px 24px rgba(205,23,25,.08);
        }

        .ctd-tool-nav-item.is-active span {
            background: #fff;
        }

        .ctd-dark .ctd-tool-nav-item.is-active span {
            background: rgba(255,255,255,.08);
        }

        .ctd-tool-nav-item.is-hidden {
            display: none;
        }

        .ctd-topbar {
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .ctd-quick-signals {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px;
            border: 1px solid var(--ctd-border);
            border-radius: 20px;
            background: var(--ctd-card);
            box-shadow: var(--ctd-soft-shadow);
        }

        .ctd-quick-label {
            color: var(--ctd-muted);
            font-size: 12px;
            font-weight: 1000;
            padding: 0 6px;
            white-space: nowrap;
        }

        .ctd-quick-signal-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 42px;
            border: 1px solid var(--ctd-border);
            border-radius: 14px;
            background: var(--ctd-card);
            color: var(--ctd-text);
            padding: 9px 12px;
            font-family: inherit;
            font-weight: 1000;
            cursor: pointer;
            transition: background .15s ease, color .15s ease, transform .15s ease, border-color .15s ease;
        }

        .ctd-quick-signal-btn span {
            font-size: 18px;
            line-height: 1;
        }

        .ctd-quick-signal-btn strong {
            font-size: 13px;
            line-height: 1.1;
            white-space: nowrap;
        }

        .ctd-quick-signal-btn:hover {
            background: var(--ctd-soft-red);
            color: var(--ctd-red);
            border-color: rgba(205,23,25,.22);
            transform: translateY(-1px);
        }

        .ctd-tools-grid {
            display: block;
        }

        .ctd-tools-grid > .ctd-tool-card {
            display: none;
            width: 100%;
            max-width: none;
            min-height: 560px;
        }

        .ctd-tools-grid > .ctd-tool-card.is-active-panel:not(.is-hidden) {
            display: flex;
        }

        .ctd-tools-grid > .ctd-tool-card.ctd-tool-card-full.is-active-panel:not(.is-hidden),
        .ctd-tools-grid > .ctd-tool-card.ctd-tool-card-wide.is-active-panel:not(.is-hidden) {
            grid-column: auto;
        }

        .ctd-tool-card[data-tool="timer"].is-active-panel,
        .ctd-tool-card[data-tool="gruppenmixer"].is-active-panel,
        .ctd-tool-card[data-tool="wuerfel"].is-active-panel,
        .ctd-tool-card[data-tool="frischekick"].is-active-panel {
            max-width: none;
            width: 100%;
            margin: 0;
        }

        .ctd-sixseven-overlay {
            position: fixed;
            inset: 0;
            display: none;
            z-index: 999999;
        }

        .ctd-sixseven-overlay.is-open {
            display: grid;
        }



        /* v2.8.2 Fokus-Layout nach Mockup */
        .ctd-topbar-signals-only {
            justify-content: space-between;
            align-items: center;
            padding: 18px 30px;
        }

        .ctd-topbar-signals-only .ctd-quick-signals {
            box-shadow: none;
            border: 0;
            background: transparent;
            padding: 0;
            gap: 12px;
        }

        .ctd-topbar-signals-only .ctd-quick-label {
            font-size: 15px;
            color: var(--ctd-text);
            padding-right: 8px;
        }

        .ctd-topbar-signals-only .ctd-quick-signal-btn {
            min-height: 54px;
            border-radius: 16px;
            padding: 12px 18px;
            background: var(--ctd-card);
            border-color: var(--ctd-border);
        }

        .ctd-topbar-signals-only .ctd-quick-signal-btn span {
            color: var(--ctd-red);
            font-size: 21px;
        }

        .ctd-topbar-signals-only .ctd-quick-signal-btn strong {
            font-size: 15px;
        }

        .ctd-main {
            padding: 18px 22px 26px;
        }

        .ctd-main-intro {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 18px;
            background: var(--ctd-card);
            border: 1px solid var(--ctd-border);
            border-radius: 24px;
            box-shadow: var(--ctd-soft-shadow);
            padding: 22px 26px;
            margin-bottom: 18px;
        }

        .ctd-main-intro .ctd-welcome-icon {
            width: 56px;
            height: 56px;
            font-size: 30px;
        }

        .ctd-main-intro .ctd-title {
            font-size: clamp(26px, 2.4vw, 34px);
        }



        .ctd-topbar-signals-only {
            justify-content: space-between;
            align-items: center;
            gap: 18px;
        }

        .ctd-topbar-actions {
            margin-left: auto;
        }

        .ctd-topbar-fullscreen {
            min-height: 48px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            border: 1px solid var(--ctd-border);
            border-radius: 16px;
            background: var(--ctd-card);
            color: var(--ctd-text);
            padding: 11px 16px;
            font-family: inherit;
            font-weight: 1000;
            cursor: pointer;
            box-shadow: 0 8px 18px rgba(20,25,34,.04);
            transition: background .15s ease, color .15s ease, transform .15s ease, border-color .15s ease;
        }

        .ctd-topbar-fullscreen:hover {
            background: var(--ctd-soft-red);
            color: var(--ctd-red);
            border-color: rgba(205,23,25,.2);
            transform: translateY(-1px);
        }

        .ctd-home-panel {
            background: var(--ctd-card);
            border: 1px solid var(--ctd-border);
            border-radius: 26px;
            box-shadow: var(--ctd-soft-shadow);
            padding: clamp(24px, 3vw, 34px);
            margin-bottom: 18px;
        }

        .ctd-home-panel.is-hidden {
            display: none;
        }

        .ctd-home-head {
            display: flex;
            gap: 16px;
            align-items: center;
            margin-bottom: 22px;
        }

        .ctd-home-brand-copy {
            width: 100%;
            min-width: 0;
        }

        .ctd-home-icon {
            width: 58px;
            height: 58px;
            display: grid;
            place-items: center;
            border-radius: 18px;
            background: var(--ctd-soft-red);
            color: var(--ctd-red);
            font-size: 30px;
            flex: 0 0 auto;
        }

        .ctd-home-product-name {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin: 0 0 8px;
            color: var(--ctd-red);
            font-size: clamp(28px, 3.2vw, 46px);
            font-weight: 1000;
            letter-spacing: -1px;
            line-height: 1.02;
        }

        .ctd-home-head h2 {
            margin: 0 0 10px;
            font-size: clamp(18px, 1.55vw, 24px);
            letter-spacing: -.28px;
            line-height: 1.22;
            max-width: 1120px;
        }

        .ctd-home-head p {
            margin: 0;
            color: var(--ctd-muted);
            line-height: 1.45;
            max-width: 880px;
        }

        .ctd-home-tool-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 14px;
        }

        .ctd-home-tool-card {
            display: grid;
            grid-template-columns: 46px 1fr;
            grid-template-areas: "icon title" "icon text";
            gap: 5px 13px;
            align-items: center;
            border: 1px solid var(--ctd-border);
            border-radius: 20px;
            background: var(--ctd-card);
            color: var(--ctd-text);
            text-align: left;
            padding: 16px;
            min-height: 106px;
            font-family: inherit;
            cursor: pointer;
            box-shadow: 0 8px 20px rgba(20,25,34,.035);
            transition: transform .15s ease, border-color .15s ease, background .15s ease;
        }

        .ctd-home-tool-card:hover {
            transform: translateY(-2px);
            border-color: rgba(205,23,25,.3);
            background: var(--ctd-soft-red);
        }

        .ctd-home-tool-card.is-hidden {
            display: none;
        }

        .ctd-home-tool-card span {
            grid-area: icon;
            width: 46px;
            height: 46px;
            display: grid;
            place-items: center;
            border-radius: 15px;
            background: var(--ctd-soft-red);
            color: var(--ctd-red);
            font-size: 24px;
        }

        .ctd-home-tool-card strong {
            grid-area: title;
            font-size: 17px;
            line-height: 1.15;
        }

        .ctd-home-tool-card small {
            grid-area: text;
            color: var(--ctd-muted);
            font-size: 13px;
            line-height: 1.35;
        }

        .ctd-help-btn {
            flex: 0 0 auto;
            min-height: 46px;
            padding-inline: 18px;
        }

        .ctd-focus-stage {
            display: block;
        }

        .ctd-focus-stage > .ctd-tool-card {
            display: none;
        }

        .ctd-focus-stage > .ctd-tool-card.is-active-panel:not(.is-hidden) {
            display: block;
        }

        .ctd-focus-tool {
            width: 100%;
            max-width: none;
            min-height: 0 !important;
            padding: 0;
            overflow: hidden;
            box-shadow: var(--ctd-soft-shadow);
        }

        .ctd-focus-tool::after {
            display: none;
        }

        .ctd-focus-grid {
            display: grid;
            grid-template-columns: minmax(320px, .78fr) minmax(0, 1.22fr);
            width: 100%;
            min-height: 620px;
        }

        .ctd-focus-config,
        .ctd-focus-preview {
            position: relative;
            padding: clamp(24px, 2.4vw, 34px);
            min-width: 0;
            max-width: 100%;
        }

        .ctd-focus-config {
            border-right: 1px solid var(--ctd-border);
        }

        .ctd-focus-head {
            padding-right: 42px;
            margin-bottom: 24px;
        }

        .ctd-focus-head .ctd-tool-icon {
            width: 56px;
            height: 56px;
            font-size: 28px;
            background: var(--ctd-red);
            color: #fff;
            border-radius: 16px;
        }

        .ctd-focus-head h3 {
            font-size: clamp(28px, 2.8vw, 36px);
            margin-bottom: 6px;
        }

        .ctd-focus-head p {
            font-size: 15px;
        }

        .ctd-focus-fields {
            display: grid !important;
            grid-template-columns: 1fr !important;
            gap: 16px !important;
            margin-bottom: 16px;
        }

        .ctd-focus-fields label,
        .ctd-focus-config .ctd-timer-inputs label {
            color: var(--ctd-text);
            font-size: 14px;
        }

        .ctd-focus-two-cols {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 14px;
        }

        .ctd-focus-two-cols label {
            display: grid;
            gap: 6px;
            font-weight: 900;
        }

        .ctd-focus-summary {
            display: grid;
            gap: 8px;
            padding: 14px 0 18px;
        }

        .ctd-focus-summary strong {
            font-size: 20px;
            line-height: 1.2;
        }

        .ctd-focus-summary span,
        .ctd-focus-preview p {
            color: var(--ctd-muted);
            line-height: 1.45;
        }

        .ctd-focus-actions {
            display: grid;
            grid-template-columns: 1fr;
            gap: 10px;
            margin-top: 12px;
        }

        .ctd-focus-actions .ctd-big-btn,
        .ctd-focus-actions .ctd-secondary-btn {
            width: 100%;
            margin-top: 0;
        }

        .ctd-focus-preview {
            display: flex;
            flex-direction: column;
            gap: 18px;
            background: linear-gradient(135deg, rgba(205,23,25,.035), rgba(255,255,255,.1));
        }

        .ctd-preview-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 6px;
        }

        .ctd-preview-top span {
            display: inline-flex;
            width: fit-content;
            background: var(--ctd-soft-red);
            color: var(--ctd-red);
            border-radius: 10px;
            padding: 8px 12px;
            font-weight: 1000;
            font-size: 13px;
        }

        .ctd-preview-close {
            border: 1px solid rgba(205,23,25,.35);
            background: #fff;
            color: var(--ctd-red);
            border-radius: 12px;
            padding: 10px 14px;
            font-weight: 1000;
            font-family: inherit;
        }

        .ctd-preview-meta {
            text-align: center;
            font-size: clamp(16px, 1.7vw, 22px);
            font-weight: 900;
            margin-top: 8px;
        }

        .ctd-preview-question {
            text-align: center;
            font-size: clamp(76px, 9vw, 150px);
            line-height: .95;
            font-weight: 1000;
            letter-spacing: -3px;
            color: var(--ctd-text);
            overflow-wrap: anywhere;
            word-break: break-word;
        }

        .ctd-preview-word {
            font-size: clamp(58px, 7vw, 112px);
            letter-spacing: -1px;
        }

        .ctd-preview-answer {
            text-align: center;
            color: var(--ctd-red);
            font-size: clamp(34px, 4vw, 70px);
            font-weight: 1000;
            overflow-wrap: anywhere;
        }

        .ctd-preview-countdown {
            width: clamp(128px, 12vw, 170px);
            height: clamp(128px, 12vw, 170px);
            border-radius: 50%;
            display: grid;
            place-items: center;
            margin: 0 auto;
            font-size: clamp(44px, 5vw, 76px);
            font-weight: 1000;
            color: var(--ctd-text);
            background:
                radial-gradient(circle, var(--ctd-card) 56%, transparent 57%),
                conic-gradient(var(--ctd-red) 0 78%, rgba(205,23,25,.14) 78% 100%);
        }

        .ctd-info-box {
            margin-top: auto;
            border: 1px solid rgba(205,23,25,.16);
            background: rgba(205,23,25,.06);
            color: var(--ctd-text);
            border-radius: 18px;
            padding: 16px 18px;
            line-height: 1.5;
            font-weight: 700;
        }

        .ctd-preview-centered {
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        .ctd-preview-centered .ctd-illustration {
            width: min(320px, 75%);
            min-height: 220px;
            margin-bottom: 8px;
        }

        .ctd-preview-centered h3 {
            margin: 0;
            font-size: clamp(28px, 3vw, 42px);
            max-width: 100%;
            overflow-wrap: anywhere;
        }

        .ctd-preview-centered p {
            max-width: 520px;
            margin: 0 auto;
            font-size: 17px;
        }

        .ctd-focus-config .ctd-timer-inputs {
            grid-template-columns: 1fr 1fr auto;
            margin-bottom: 18px;
        }

        .ctd-focus-preview .ctd-timer-ring {
            position: relative;
            width: min(340px, 78vw);
            height: min(340px, 78vw);
            max-width: 100%;
            margin: 0 auto 12px;
            flex: 0 0 auto;
        }

        .ctd-focus-preview .ctd-timer-display {
            position: absolute;
            inset: 0;
            display: grid;
            place-items: center;
            font-size: clamp(52px, 6vw, 86px);
        }



        .ctd-focus-preview .ctd-timer-ring span {
            display: none;
        }

        .ctd-focus-config .ctd-compact-actions {
            gap: 10px;
        }

        .ctd-focus-config .ctd-compact-actions .ctd-primary-btn,
        .ctd-focus-config .ctd-compact-actions .ctd-secondary-btn {
            min-width: 96px;
        }

        .ctd-focus-config #ctd-timer-focus {
            min-width: 142px;
        }

        .ctd-dark .ctd-preview-close {
            background: rgba(255,255,255,.08);
        }

        @media (max-width: 1180px) {
            .ctd-focus-grid {
                grid-template-columns: 1fr;
            }
            .ctd-focus-config {
                border-right: 0;
                border-bottom: 1px solid var(--ctd-border);
            }
            .ctd-focus-preview {
                min-height: 420px;
            }
        }

        @media (max-width: 1100px) {
            .ctd-home-tool-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
        }

        @media (max-width: 760px) {
            .ctd-main-intro {
                flex-direction: column;
                align-items: stretch;
            }
    

        .ctd-topbar-signals-only {
            justify-content: space-between;
            align-items: center;
            gap: 18px;
        }

        .ctd-topbar-actions {
            margin-left: auto;
        }

        .ctd-topbar-fullscreen {
            min-height: 48px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            border: 1px solid var(--ctd-border);
            border-radius: 16px;
            background: var(--ctd-card);
            color: var(--ctd-text);
            padding: 11px 16px;
            font-family: inherit;
            font-weight: 1000;
            cursor: pointer;
            box-shadow: 0 8px 18px rgba(20,25,34,.04);
            transition: background .15s ease, color .15s ease, transform .15s ease, border-color .15s ease;
        }

        .ctd-topbar-fullscreen:hover {
            background: var(--ctd-soft-red);
            color: var(--ctd-red);
            border-color: rgba(205,23,25,.2);
            transform: translateY(-1px);
        }

        .ctd-home-panel {
            background: var(--ctd-card);
            border: 1px solid var(--ctd-border);
            border-radius: 26px;
            box-shadow: var(--ctd-soft-shadow);
            padding: clamp(24px, 3vw, 34px);
            margin-bottom: 18px;
        }

        .ctd-home-panel.is-hidden {
            display: none;
        }

        .ctd-home-head {
            display: flex;
            gap: 16px;
            align-items: center;
            margin-bottom: 22px;
        }

        .ctd-home-brand-copy {
            width: 100%;
            min-width: 0;
        }

        .ctd-home-icon {
            width: 58px;
            height: 58px;
            display: grid;
            place-items: center;
            border-radius: 18px;
            background: var(--ctd-soft-red);
            color: var(--ctd-red);
            font-size: 30px;
            flex: 0 0 auto;
        }

        .ctd-home-product-name {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin: 0 0 8px;
            color: var(--ctd-red);
            font-size: clamp(28px, 3.2vw, 46px);
            font-weight: 1000;
            letter-spacing: -1px;
            line-height: 1.02;
        }

        .ctd-home-head h2 {
            margin: 0 0 10px;
            font-size: clamp(18px, 1.55vw, 24px);
            letter-spacing: -.28px;
            line-height: 1.22;
            max-width: 1120px;
        }

        .ctd-home-head p {
            margin: 0;
            color: var(--ctd-muted);
            line-height: 1.45;
            max-width: 880px;
        }

        .ctd-home-tool-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 14px;
        }

        .ctd-home-tool-card {
            display: grid;
            grid-template-columns: 46px 1fr;
            grid-template-areas: "icon title" "icon text";
            gap: 5px 13px;
            align-items: center;
            border: 1px solid var(--ctd-border);
            border-radius: 20px;
            background: var(--ctd-card);
            color: var(--ctd-text);
            text-align: left;
            padding: 16px;
            min-height: 106px;
            font-family: inherit;
            cursor: pointer;
            box-shadow: 0 8px 20px rgba(20,25,34,.035);
            transition: transform .15s ease, border-color .15s ease, background .15s ease;
        }

        .ctd-home-tool-card:hover {
            transform: translateY(-2px);
            border-color: rgba(205,23,25,.3);
            background: var(--ctd-soft-red);
        }

        .ctd-home-tool-card.is-hidden {
            display: none;
        }

        .ctd-home-tool-card span {
            grid-area: icon;
            width: 46px;
            height: 46px;
            display: grid;
            place-items: center;
            border-radius: 15px;
            background: var(--ctd-soft-red);
            color: var(--ctd-red);
            font-size: 24px;
        }

        .ctd-home-tool-card strong {
            grid-area: title;
            font-size: 17px;
            line-height: 1.15;
        }

        .ctd-home-tool-card small {
            grid-area: text;
            color: var(--ctd-muted);
            font-size: 13px;
            line-height: 1.35;
        }

        .ctd-help-btn {
                width: 100%;
            }
            .ctd-topbar-signals-only {
                align-items: stretch;
            }
            .ctd-topbar-fullscreen {
                width: 100%;
            }
            .ctd-home-tool-grid {
                grid-template-columns: 1fr;
            }
            .ctd-topbar-signals-only .ctd-quick-signals {
                width: 100%;
                flex-wrap: wrap;
            }
            .ctd-topbar-signals-only .ctd-quick-label {
                width: 100%;
            }
            .ctd-topbar-signals-only .ctd-quick-signal-btn {
                flex: 1 1 180px;
                justify-content: center;
            }
            .ctd-focus-two-cols,
            .ctd-focus-config .ctd-timer-inputs {
                grid-template-columns: 1fr;
            }
            .ctd-preview-question {
                font-size: clamp(52px, 16vw, 94px);
            }
        }
    

        /* Intro auf der Übersicht anzeigen; Checkboxen sauber ausrichten, Home-Hover lesbar halten */
        #cotec-teacher-dashboard .ctd-main-intro {
            display: flex !important;
        }

        #cotec-teacher-dashboard .ctd-checkbox-line,
        #cotec-teacher-dashboard .ctd-focus-fields .ctd-checkbox-line,
        #cotec-teacher-dashboard .ctd-math-inline-settings .ctd-checkbox-line,
        #cotec-teacher-dashboard .ctd-reading-inline-settings .ctd-checkbox-line,
        #cotec-teacher-dashboard .ctd-vocab-inline-settings .ctd-checkbox-line {
            display: flex !important;
            flex-direction: row !important;
            align-items: center !important;
            justify-content: flex-start !important;
            gap: 10px !important;
            width: fit-content !important;
            max-width: 100% !important;
            margin: 6px 0 0 !important;
            color: var(--ctd-text) !important;
            font-size: 14px !important;
            font-weight: 900 !important;
            line-height: 1.3 !important;
        }

        #cotec-teacher-dashboard .ctd-checkbox-line input[type="checkbox"],
        #cotec-teacher-dashboard .ctd-focus-fields .ctd-checkbox-line input[type="checkbox"],
        #cotec-teacher-dashboard .ctd-math-inline-settings .ctd-checkbox-line input[type="checkbox"],
        #cotec-teacher-dashboard .ctd-reading-inline-settings .ctd-checkbox-line input[type="checkbox"],
        #cotec-teacher-dashboard .ctd-vocab-inline-settings .ctd-checkbox-line input[type="checkbox"] {
            appearance: auto !important;
            -webkit-appearance: auto !important;
            width: 18px !important;
            height: 18px !important;
            min-width: 18px !important;
            min-height: 18px !important;
            max-width: 18px !important;
            max-height: 18px !important;
            flex: 0 0 18px !important;
            margin: 0 !important;
            padding: 0 !important;
            border-radius: 4px !important;
            accent-color: var(--ctd-red) !important;
            box-shadow: none !important;
        }

        #cotec-teacher-dashboard .ctd-home-tool-card:hover,
        #cotec-teacher-dashboard .ctd-home-tool-card:hover strong {
            color: var(--ctd-text) !important;
        }

        #cotec-teacher-dashboard .ctd-home-tool-card:hover small {
            color: var(--ctd-muted) !important;
        }



        /* v2.8.8: Signalbuttons nach Overlay/Fokus immer lesbar halten */
        #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-signal-btn,
        #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-signal-btn:focus,
        #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-signal-btn:active,
        #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-signal-btn:visited {
            color: var(--ctd-text) !important;
            background: var(--ctd-card) !important;
            border-color: var(--ctd-border) !important;
        }

        #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-signal-btn strong,
        #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-signal-btn:focus strong,
        #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-signal-btn:active strong,
        #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-signal-btn:hover strong {
            color: var(--ctd-text) !important;
        }

        #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-signal-btn:hover {
            color: var(--ctd-text) !important;
            background: var(--ctd-soft-red) !important;
            border-color: rgba(205,23,25,.24) !important;
        }

        #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-signal-btn span,
        #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-signal-btn:focus span,
        #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-signal-btn:active span,
        #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-signal-btn:hover span {
            color: var(--ctd-red) !important;
        }

        /* v2.8.7: Signal-Overlay ohne Timer-Steuerung + Auto-Schließen */
        #cotec-teacher-dashboard .ctd-overlay-timer-actions {
            display: none;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 28px;
        }

        #cotec-teacher-dashboard .ctd-overlay.is-timer-overlay .ctd-overlay-timer-actions {
            display: flex;
        }

        #cotec-teacher-dashboard .ctd-overlay-timer-btn {
            min-width: 120px;
            border: 1px solid rgba(255,255,255,.36);
            border-radius: 999px;
            background: rgba(255,255,255,.16);
            color: #fff;
            padding: 14px 20px;
            font-family: inherit;
            font-size: 16px;
            font-weight: 1000;
            cursor: pointer;
            box-shadow: 0 10px 28px rgba(0,0,0,.12);
        }

        #cotec-teacher-dashboard .ctd-overlay-timer-btn.is-primary {
            background: #fff;
            color: var(--ctd-red);
            border-color: #fff;
        }

        #cotec-teacher-dashboard .ctd-overlay.is-timer-overlay .ctd-overlay-message {
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.04em;
        }

        @media (max-width: 900px) {
            #cotec-teacher-dashboard .ctd-shell {
                grid-template-columns: 1fr !important;
                border-radius: 22px;
                overflow: hidden;
            }

            #cotec-teacher-dashboard .ctd-sidebar {
                border-right: 0 !important;
                border-bottom: 1px solid var(--ctd-border);
                padding: 18px;
                gap: 16px;
            }

            #cotec-teacher-dashboard .ctd-sidebar-brand {
                display: flex;
                align-items: center;
                justify-content: space-between;
                gap: 14px;
            }

            #cotec-teacher-dashboard .ctd-logo-img {
                width: 112px;
                max-height: 44px;
            }

            #cotec-teacher-dashboard .ctd-tool-nav-list {
                display: flex;
                gap: 8px;
                overflow-x: auto;
                padding: 2px 2px 8px;
                scroll-snap-type: x proximity;
                -webkit-overflow-scrolling: touch;
            }

            #cotec-teacher-dashboard .ctd-tool-nav-item {
                flex: 0 0 auto;
                min-width: 148px;
                scroll-snap-align: start;
                border-radius: 15px;
                padding: 11px 12px;
            }

            #cotec-teacher-dashboard .ctd-tool-nav-item span,
            #cotec-teacher-dashboard .ctd-sidebar-action span {
                width: 30px;
                height: 30px;
                font-size: 17px;
            }

            #cotec-teacher-dashboard .ctd-tool-nav-item strong,
            #cotec-teacher-dashboard .ctd-sidebar-action strong {
                font-size: 14px;
                white-space: nowrap;
            }

            #cotec-teacher-dashboard .ctd-sidebar-actions {
                display: grid;
                grid-template-columns: repeat(2, minmax(0, 1fr));
                gap: 8px;
            }

            #cotec-teacher-dashboard .ctd-sidebar-actions .ctd-sidebar-label {
                grid-column: 1 / -1;
            }

            #cotec-teacher-dashboard .ctd-sidebar-action {
                padding: 11px 12px;
                min-width: 0;
            }

            #cotec-teacher-dashboard .ctd-sidebar-privacy {
                margin-top: 0;
                padding: 14px;
            }

            #cotec-teacher-dashboard .ctd-topbar-signals-only {
                padding: 14px;
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
            }

            #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-signals {
                width: 100%;
                display: grid;
                grid-template-columns: 1fr;
                gap: 8px;
            }

            #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-label {
                width: auto;
                padding: 0;
            }

            #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-signal-btn,
            #cotec-teacher-dashboard .ctd-topbar-fullscreen {
                width: 100%;
                min-height: 46px;
                justify-content: center;
            }

            #cotec-teacher-dashboard .ctd-main {
                padding: 14px;
            }

            #cotec-teacher-dashboard .ctd-home-panel {
                padding: 20px;
                border-radius: 22px;
            }

            #cotec-teacher-dashboard .ctd-home-head {
                align-items: flex-start;
            }

            #cotec-teacher-dashboard .ctd-home-tool-grid {
                grid-template-columns: 1fr !important;
            }

            #cotec-teacher-dashboard .ctd-focus-grid {
                grid-template-columns: 1fr !important;
                min-height: 0 !important;
            }

            #cotec-teacher-dashboard .ctd-focus-config {
                border-right: 0 !important;
                border-bottom: 1px solid var(--ctd-border);
            }

            #cotec-teacher-dashboard .ctd-focus-config,
            #cotec-teacher-dashboard .ctd-focus-preview {
                padding: 20px !important;
            }

            #cotec-teacher-dashboard .ctd-focus-head {
                gap: 12px;
                margin-bottom: 18px;
            }

            #cotec-teacher-dashboard .ctd-focus-head .ctd-tool-icon {
                width: 48px;
                height: 48px;
                font-size: 24px;
            }

            #cotec-teacher-dashboard .ctd-focus-head h3 {
                font-size: clamp(25px, 8vw, 34px);
            }

            #cotec-teacher-dashboard .ctd-focus-two-cols,
            #cotec-teacher-dashboard .ctd-focus-config .ctd-timer-inputs,
            #cotec-teacher-dashboard .ctd-two-cols {
                grid-template-columns: 1fr !important;
            }

            #cotec-teacher-dashboard .ctd-compact-actions,
            #cotec-teacher-dashboard .ctd-focus-config .ctd-compact-actions {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            #cotec-teacher-dashboard .ctd-focus-config #ctd-timer-focus {
                grid-column: 1 / -1;
                min-width: 0;
            }

            #cotec-teacher-dashboard .ctd-focus-preview {
                min-height: 0 !important;
            }

            #cotec-teacher-dashboard .ctd-focus-preview .ctd-timer-ring {
                width: min(250px, 72vw) !important;
                height: min(250px, 72vw) !important;
            }

            #cotec-teacher-dashboard .ctd-focus-preview .ctd-timer-display {
                font-size: clamp(42px, 13vw, 62px) !important;
            }

            #cotec-teacher-dashboard .ctd-preview-question {
                font-size: clamp(48px, 18vw, 92px) !important;
                letter-spacing: -1px;
            }

            #cotec-teacher-dashboard .ctd-preview-word {
                font-size: clamp(42px, 16vw, 82px) !important;
            }

            #cotec-teacher-dashboard .ctd-preview-answer {
                font-size: clamp(30px, 12vw, 56px) !important;
            }
        }

        @media (max-width: 520px) {
            #cotec-teacher-dashboard .ctd-shell {
                border-radius: 0;
                border-left: 0;
                border-right: 0;
            }

            #cotec-teacher-dashboard .ctd-sidebar-actions {
                grid-template-columns: 1fr;
            }

            #cotec-teacher-dashboard .ctd-sidebar-privacy span {
                font-size: 12px;
            }

            #cotec-teacher-dashboard .ctd-home-head {
                display: grid;
                grid-template-columns: 44px 1fr;
                gap: 12px;
            }

            #cotec-teacher-dashboard .ctd-home-icon {
                width: 44px;
                height: 44px;
                font-size: 23px;
            }

            #cotec-teacher-dashboard .ctd-home-head h2 {
                font-size: 26px;
            }

            #cotec-teacher-dashboard .ctd-home-tool-card {
                min-height: 92px;
                padding: 14px;
            }

            #cotec-teacher-dashboard .ctd-focus-config,
            #cotec-teacher-dashboard .ctd-focus-preview {
                padding: 16px !important;
            }

            #cotec-teacher-dashboard .ctd-focus-head .ctd-tool-icon {
                width: 44px;
                height: 44px;
                font-size: 22px;
            }

            #cotec-teacher-dashboard .ctd-focus-head h3 {
                font-size: 28px;
            }

            #cotec-teacher-dashboard .ctd-overlay-message {
                font-size: clamp(56px, 18vw, 96px);
            }

            #cotec-teacher-dashboard .ctd-overlay-timer-actions {
                gap: 8px;
            }

            #cotec-teacher-dashboard .ctd-overlay-timer-btn {
                min-width: 0;
                flex: 1 1 100px;
                padding: 12px 14px;
            }
        }


        /* v2.8.9: Mobile zuerst die Tool-Auswahl, keine herausragenden Container */
        @media (max-width: 900px) {
            html,
            body {
                overflow-x: hidden !important;
            }

            #cotec-teacher-dashboard,
            #cotec-teacher-dashboard * {
                max-width: 100%;
            }

            #cotec-teacher-dashboard {
                width: 100% !important;
                overflow-x: hidden !important;
            }

            #cotec-teacher-dashboard .ctd-shell {
                display: block !important;
                width: 100% !important;
                max-width: 100% !important;
                min-height: 0 !important;
                border-radius: 0 !important;
                border-left: 0 !important;
                border-right: 0 !important;
                overflow: hidden !important;
            }

            #cotec-teacher-dashboard .ctd-sidebar {
                width: 100% !important;
                max-width: 100% !important;
                border-right: 0 !important;
                border-bottom: 1px solid rgba(255,255,255,.14) !important;
                padding: 16px !important;
                gap: 14px !important;
                overflow: hidden !important;
            }

            #cotec-teacher-dashboard .ctd-sidebar-brand {
                display: flex !important;
                align-items: center !important;
                justify-content: space-between !important;
                gap: 12px !important;
                margin-bottom: 2px !important;
            }

            #cotec-teacher-dashboard .ctd-logo-img {
                width: 112px !important;
                max-height: 42px !important;
            }

            #cotec-teacher-dashboard .ctd-sidebar-label {
                margin: 0 0 8px !important;
                font-size: 12px !important;
                letter-spacing: .11em !important;
            }

            #cotec-teacher-dashboard .ctd-tool-nav-list {
                display: grid !important;
                grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
                gap: 8px !important;
                width: 100% !important;
                overflow: visible !important;
                padding: 0 !important;
            }

            #cotec-teacher-dashboard .ctd-tool-nav-item {
                width: 100% !important;
                min-width: 0 !important;
                max-width: 100% !important;
                padding: 10px 10px !important;
                border-radius: 15px !important;
                gap: 8px !important;
                transform: none !important;
            }

            #cotec-teacher-dashboard .ctd-tool-nav-item span {
                width: 30px !important;
                height: 30px !important;
                min-width: 30px !important;
                font-size: 17px !important;
                border-radius: 10px !important;
            }

            #cotec-teacher-dashboard .ctd-tool-nav-item strong {
                min-width: 0 !important;
                max-width: 100% !important;
                font-size: 13px !important;
                line-height: 1.15 !important;
                white-space: normal !important;
                overflow-wrap: anywhere !important;
            }

            #cotec-teacher-dashboard .ctd-topbar-signals-only {
                display: none !important;
            }

            #cotec-teacher-dashboard .ctd-sidebar-actions {
                display: grid !important;
                grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
                gap: 8px !important;
                margin-top: 2px !important;
            }

            #cotec-teacher-dashboard .ctd-sidebar-actions .ctd-sidebar-label {
                grid-column: 1 / -1 !important;
            }

            #cotec-teacher-dashboard .ctd-sidebar-action {
                width: 100% !important;
                min-width: 0 !important;
                max-width: 100% !important;
                padding: 10px !important;
                border-radius: 14px !important;
                gap: 8px !important;
                transform: none !important;
            }

            #cotec-teacher-dashboard .ctd-sidebar-action span {
                width: 28px !important;
                height: 28px !important;
                min-width: 28px !important;
                font-size: 16px !important;
                border-radius: 9px !important;
            }

            #cotec-teacher-dashboard .ctd-sidebar-action strong {
                min-width: 0 !important;
                font-size: 12.5px !important;
                line-height: 1.15 !important;
                white-space: normal !important;
                overflow-wrap: anywhere !important;
            }

            #cotec-teacher-dashboard .ctd-sidebar-privacy {
                display: none !important;
            }

            #cotec-teacher-dashboard .ctd-content,
            #cotec-teacher-dashboard .ctd-main,
            #cotec-teacher-dashboard .ctd-tools-grid,
            #cotec-teacher-dashboard .ctd-focus-stage,
            #cotec-teacher-dashboard .ctd-focus-stage > .ctd-tool-card,
            #cotec-teacher-dashboard .ctd-focus-tool {
                width: 100% !important;
                max-width: 100% !important;
                min-width: 0 !important;
                overflow-x: hidden !important;
            }

            #cotec-teacher-dashboard .ctd-main {
                padding: 12px !important;
            }

            #cotec-teacher-dashboard .ctd-home-panel,
            #cotec-teacher-dashboard .ctd-focus-tool {
                border-radius: 20px !important;
                overflow: hidden !important;
            }

            #cotec-teacher-dashboard .ctd-home-panel {
                padding: 18px !important;
            }

            #cotec-teacher-dashboard .ctd-home-head {
                display: grid !important;
                grid-template-columns: 44px minmax(0, 1fr) !important;
                gap: 12px !important;
                align-items: start !important;
                margin-bottom: 16px !important;
            }

            #cotec-teacher-dashboard .ctd-home-icon {
                width: 44px !important;
                height: 44px !important;
                font-size: 23px !important;
                border-radius: 14px !important;
            }

            #cotec-teacher-dashboard .ctd-home-head h2 {
                font-size: clamp(24px, 7vw, 32px) !important;
                line-height: 1.08 !important;
                overflow-wrap: anywhere !important;
            }

            #cotec-teacher-dashboard .ctd-home-head p {
                font-size: 14px !important;
            }

            #cotec-teacher-dashboard .ctd-home-tool-grid {
                grid-template-columns: 1fr !important;
                gap: 10px !important;
            }

            #cotec-teacher-dashboard .ctd-home-tool-card {
                width: 100% !important;
                min-height: 88px !important;
                padding: 14px !important;
                grid-template-columns: 42px minmax(0, 1fr) !important;
            }

            #cotec-teacher-dashboard .ctd-home-tool-card strong,
            #cotec-teacher-dashboard .ctd-home-tool-card small {
                min-width: 0 !important;
                overflow-wrap: anywhere !important;
            }

            #cotec-teacher-dashboard .ctd-focus-grid {
                display: grid !important;
                grid-template-columns: 1fr !important;
                width: 100% !important;
                max-width: 100% !important;
                min-height: 0 !important;
            }

            #cotec-teacher-dashboard .ctd-focus-config,
            #cotec-teacher-dashboard .ctd-focus-preview {
                width: 100% !important;
                max-width: 100% !important;
                min-width: 0 !important;
                padding: 18px !important;
                overflow: hidden !important;
            }

            #cotec-teacher-dashboard .ctd-focus-config {
                border-right: 0 !important;
                border-bottom: 1px solid var(--ctd-border) !important;
            }

            #cotec-teacher-dashboard .ctd-focus-head {
                display: grid !important;
                grid-template-columns: 46px minmax(0, 1fr) 42px !important;
                align-items: start !important;
                gap: 12px !important;
                padding-right: 0 !important;
            }

            #cotec-teacher-dashboard .ctd-focus-head .ctd-tool-icon {
                width: 46px !important;
                height: 46px !important;
                font-size: 23px !important;
            }

            #cotec-teacher-dashboard .ctd-focus-head h3 {
                font-size: clamp(25px, 7vw, 34px) !important;
                line-height: 1.08 !important;
                overflow-wrap: anywhere !important;
            }

            #cotec-teacher-dashboard .ctd-card-menu {
                position: static !important;
                justify-self: end !important;
                align-self: start !important;
            }

            #cotec-teacher-dashboard .ctd-focus-fields,
            #cotec-teacher-dashboard .ctd-focus-two-cols,
            #cotec-teacher-dashboard .ctd-focus-config .ctd-timer-inputs,
            #cotec-teacher-dashboard .ctd-two-cols {
                display: grid !important;
                grid-template-columns: 1fr !important;
                gap: 12px !important;
                width: 100% !important;
            }

            #cotec-teacher-dashboard label,
            #cotec-teacher-dashboard input,
            #cotec-teacher-dashboard select,
            #cotec-teacher-dashboard textarea,
            #cotec-teacher-dashboard button {
                max-width: 100% !important;
            }

            #cotec-teacher-dashboard input,
            #cotec-teacher-dashboard select,
            #cotec-teacher-dashboard textarea {
                min-width: 0 !important;
            }

            #cotec-teacher-dashboard .ctd-focus-actions,
            #cotec-teacher-dashboard .ctd-compact-actions,
            #cotec-teacher-dashboard .ctd-focus-config .ctd-compact-actions {
                display: grid !important;
                grid-template-columns: 1fr !important;
                gap: 8px !important;
                width: 100% !important;
            }

            #cotec-teacher-dashboard .ctd-focus-actions .ctd-big-btn,
            #cotec-teacher-dashboard .ctd-focus-actions .ctd-secondary-btn,
            #cotec-teacher-dashboard .ctd-compact-actions .ctd-primary-btn,
            #cotec-teacher-dashboard .ctd-compact-actions .ctd-secondary-btn {
                width: 100% !important;
                min-width: 0 !important;
            }

            #cotec-teacher-dashboard .ctd-focus-preview {
                min-height: auto !important;
                text-align: center !important;
            }

            #cotec-teacher-dashboard .ctd-preview-question {
                font-size: clamp(46px, 18vw, 86px) !important;
                line-height: 1 !important;
                overflow-wrap: anywhere !important;
                word-break: break-word !important;
            }

            #cotec-teacher-dashboard .ctd-preview-word {
                font-size: clamp(40px, 15vw, 76px) !important;
                line-height: 1.05 !important;
                overflow-wrap: anywhere !important;
                word-break: break-word !important;
            }

            #cotec-teacher-dashboard .ctd-preview-answer {
                font-size: clamp(28px, 11vw, 52px) !important;
                overflow-wrap: anywhere !important;
            }

            #cotec-teacher-dashboard .ctd-focus-preview .ctd-timer-ring {
                width: min(240px, 72vw) !important;
                height: min(240px, 72vw) !important;
                margin-inline: auto !important;
            }

            #cotec-teacher-dashboard .ctd-focus-preview .ctd-timer-display {
                font-size: clamp(38px, 12vw, 60px) !important;
            }

            #cotec-teacher-dashboard .ctd-random-stage,
            #cotec-teacher-dashboard .ctd-fresh-stage,
            #cotec-teacher-dashboard .ctd-groups-stage,
            #cotec-teacher-dashboard .ctd-math-stage,
            #cotec-teacher-dashboard .ctd-reading-stage,
            #cotec-teacher-dashboard .ctd-vocab-stage {
                width: 100% !important;
                max-width: 100% !important;
                min-height: calc(100vh - 24px) !important;
                border-radius: 22px !important;
                overflow: hidden !important;
            }
        }

        @media (max-width: 520px) {
            #cotec-teacher-dashboard .ctd-sidebar {
                padding: 14px !important;
            }

            #cotec-teacher-dashboard .ctd-tool-nav-list {
                grid-template-columns: 1fr 1fr !important;
                gap: 7px !important;
            }

            #cotec-teacher-dashboard .ctd-tool-nav-item {
                padding: 9px !important;
            }

            #cotec-teacher-dashboard .ctd-tool-nav-item strong {
                font-size: 12px !important;
            }

            #cotec-teacher-dashboard .ctd-sidebar-actions {
                grid-template-columns: 1fr 1fr !important;
            }

            #cotec-teacher-dashboard .ctd-sidebar-action strong {
                font-size: 12px !important;
            }

            #cotec-teacher-dashboard .ctd-main {
                padding: 10px !important;
            }

            #cotec-teacher-dashboard .ctd-focus-config,
            #cotec-teacher-dashboard .ctd-focus-preview {
                padding: 15px !important;
            }

            #cotec-teacher-dashboard .ctd-focus-head {
                grid-template-columns: 42px minmax(0, 1fr) 40px !important;
                gap: 10px !important;
            }

            #cotec-teacher-dashboard .ctd-focus-head .ctd-tool-icon {
                width: 42px !important;
                height: 42px !important;
                font-size: 21px !important;
            }
        }



        @media (max-width: 620px) {
            #cotec-teacher-dashboard .ctd-fresh-exercise-settings {
                grid-template-columns: 1fr;
            }
        }

        /* v2.8.23: stärkerer Kontrast, dunkle Sidebar und eigenständige Signalleiste */
        #cotec-teacher-dashboard {
            --ctd-sidebar-bg: #101722;
            --ctd-sidebar-bg-2: #0b111a;
            --ctd-sidebar-text: #f8fafc;
            --ctd-sidebar-muted: rgba(248,250,252,.66);
            --ctd-sidebar-border: rgba(255,255,255,.12);
            --ctd-sidebar-soft: rgba(255,255,255,.075);
        }

        #cotec-teacher-dashboard .ctd-shell {
            grid-template-columns: 292px 1fr;
            background: #f5f7fb;
        }

        #cotec-teacher-dashboard .ctd-sidebar {
            background:
                radial-gradient(circle at 10% 0%, rgba(205,23,25,.18), transparent 30%),
                linear-gradient(180deg, var(--ctd-sidebar-bg), var(--ctd-sidebar-bg-2));
            color: var(--ctd-sidebar-text);
            border-right: 0;
            box-shadow: 18px 0 40px rgba(15,23,42,.12);
        }

        #cotec-teacher-dashboard .ctd-sidebar .ctd-logo-light {
            display: none !important;
        }

        #cotec-teacher-dashboard .ctd-sidebar .ctd-logo-dark {
            display: block !important;
        }

        #cotec-teacher-dashboard .ctd-sidebar-label {
            color: var(--ctd-sidebar-muted);
        }

        #cotec-teacher-dashboard .ctd-tool-select {
            min-height: 60px;
            color: var(--ctd-sidebar-text);
            background: rgba(255,255,255,.055);
            border-color: var(--ctd-sidebar-border);
            box-shadow: inset 4px 0 0 var(--ctd-red), 0 12px 26px rgba(0,0,0,.14);
        }

        #cotec-teacher-dashboard .ctd-tool-select:hover,
        #cotec-teacher-dashboard .ctd-tool-select:focus {
            background: rgba(255,255,255,.085);
            border-color: rgba(255,255,255,.28);
        }

        #cotec-teacher-dashboard .ctd-tool-picker::after {
            color: #ffffff;
        }

        #cotec-teacher-dashboard .ctd-sidebar-action {
            color: rgba(248,250,252,.82);
        }

        #cotec-teacher-dashboard .ctd-sidebar-action span {
            color: #ffffff;
            background: var(--ctd-sidebar-soft);
        }

        #cotec-teacher-dashboard .ctd-sidebar-action:hover,
        #cotec-teacher-dashboard .ctd-sidebar-action.is-primary {
            color: #ffffff;
            background: rgba(255,255,255,.09);
        }

        #cotec-teacher-dashboard .ctd-sidebar-action:hover span,
        #cotec-teacher-dashboard .ctd-sidebar-action.is-primary span {
            background: rgba(205,23,25,.92);
        }

        #cotec-teacher-dashboard .ctd-sidebar-privacy {
            color: #ffffff;
            border-color: var(--ctd-sidebar-border);
            background:
                radial-gradient(circle at bottom right, rgba(205,23,25,.24), transparent 46%),
                rgba(255,255,255,.06);
            box-shadow: 0 16px 34px rgba(0,0,0,.18);
        }

        #cotec-teacher-dashboard .ctd-sidebar-privacy span {
            color: rgba(248,250,252,.72);
        }

        #cotec-teacher-dashboard .ctd-sidebar-privacy a {
            color: #ff4b4d;
        }

        #cotec-teacher-dashboard .ctd-content {
            background:
                radial-gradient(circle at top right, rgba(205,23,25,.055), transparent 28%),
                #f6f8fb;
        }

        #cotec-teacher-dashboard .ctd-topbar,
        #cotec-teacher-dashboard .ctd-topbar-signals-only {
            margin: 24px 32px 0;
            padding: 16px 18px;
            border: 1px solid rgba(226,232,240,.95);
            border-radius: 24px;
            background: rgba(255,255,255,.94);
            box-shadow: 0 18px 42px rgba(15,23,42,.10);
            backdrop-filter: blur(14px);
            position: relative;
            z-index: 2;
        }

        #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-signals {
            gap: 14px;
        }

        #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-label {
            padding: 0 18px 0 8px;
            margin-right: 6px;
            border-right: 1px solid var(--ctd-border);
            font-size: 16px;
            font-weight: 900;
        }

        #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-signal-btn,
        #cotec-teacher-dashboard .ctd-topbar-fullscreen {
            min-height: 52px;
            border-radius: 15px;
            background: #ffffff;
            box-shadow: 0 6px 16px rgba(15,23,42,.045);
        }

        #cotec-teacher-dashboard .ctd-main {
            padding: 32px 32px 34px;
        }

        #cotec-teacher-dashboard .ctd-tools-grid > .ctd-tool-card,
        #cotec-teacher-dashboard .ctd-home-panel {
            border-color: rgba(226,232,240,.95);
            box-shadow: 0 22px 54px rgba(15,23,42,.095);
        }

        #cotec-teacher-dashboard .ctd-main-intro {
            margin-top: 0;
            box-shadow: 0 18px 42px rgba(15,23,42,.08);
        }

        #cotec-teacher-dashboard.ctd-dark .ctd-content {
            background: #0d121a;
        }

        #cotec-teacher-dashboard.ctd-dark .ctd-topbar,
        #cotec-teacher-dashboard.ctd-dark .ctd-topbar-signals-only {
            background: rgba(21,28,39,.94);
            border-color: rgba(255,255,255,.10);
            box-shadow: 0 18px 42px rgba(0,0,0,.32);
        }

        #cotec-teacher-dashboard.ctd-dark .ctd-topbar-signals-only .ctd-quick-label {
            border-right-color: rgba(255,255,255,.10);
        }

        @media (max-width: 1100px) {
            #cotec-teacher-dashboard .ctd-shell {
                grid-template-columns: 1fr;
            }

            #cotec-teacher-dashboard .ctd-sidebar {
                border-bottom: 0;
                box-shadow: 0 14px 34px rgba(15,23,42,.16);
            }
        }

        @media (max-width: 760px) {
            #cotec-teacher-dashboard .ctd-topbar,
            #cotec-teacher-dashboard .ctd-topbar-signals-only {
                margin: 16px 16px 0;
                padding: 14px;
                border-radius: 22px;
            }

            #cotec-teacher-dashboard .ctd-main {
                padding: 22px 16px 24px;
            }

            #cotec-teacher-dashboard .ctd-topbar-signals-only .ctd-quick-label {
                width: 100%;
                border-right: 0;
                padding: 0 2px 4px;
            }
        }



        /* v2.8.24 Mobile-Fix: Startscreen-Titel und Unterzeile sauber umbrechen */
        @media (max-width: 760px) {
            #cotec-teacher-dashboard .ctd-home-panel {
                padding: 20px 18px !important;
            }

            #cotec-teacher-dashboard .ctd-home-head,
            #cotec-teacher-dashboard .ctd-home-brand-head {
                display: block !important;
                margin-bottom: 18px !important;
            }

            #cotec-teacher-dashboard .ctd-home-brand-copy {
                width: 100% !important;
                max-width: 100% !important;
                min-width: 0 !important;
            }

            #cotec-teacher-dashboard .ctd-home-product-name {
                display: block !important;
                width: 100% !important;
                margin: 0 0 12px !important;
                font-size: clamp(22px, 8vw, 34px) !important;
                line-height: 1.04 !important;
                letter-spacing: -.4px !important;
                white-space: normal !important;
                word-break: normal !important;
                overflow-wrap: normal !important;
                hyphens: none !important;
            }

            #cotec-teacher-dashboard .ctd-home-head h2 {
                display: block !important;
                width: 100% !important;
                max-width: none !important;
                margin: 0 0 14px !important;
                font-size: clamp(16px, 5.8vw, 24px) !important;
                line-height: 1.22 !important;
                letter-spacing: -.15px !important;
                white-space: normal !important;
                word-break: normal !important;
                overflow-wrap: break-word !important;
                hyphens: auto !important;
            }

            #cotec-teacher-dashboard .ctd-home-head p {
                max-width: none !important;
                font-size: 15px !important;
                line-height: 1.45 !important;
            }
        }



        /* v2.9.0 – ruhige, einheitliche Oberfläche */
        #cotec-teacher-dashboard { --ctd-sidebar:#171a20; --ctd-sidebar-soft:#242832; --ctd-bg:#f4f5f7; --ctd-card:#fff; --ctd-border:#e3e5e9; --ctd-muted:#69707d; --ctd-shadow:0 12px 36px rgba(20,25,34,.08); --ctd-soft-shadow:none; }
        #cotec-teacher-dashboard .ctd-shell { grid-template-columns:260px minmax(0,1fr); min-height:88vh; border-radius:22px; background:var(--ctd-bg); }
        #cotec-teacher-dashboard .ctd-sidebar { background:var(--ctd-sidebar); color:#fff; border:0; padding:26px 20px 18px; gap:20px; }
        #cotec-teacher-dashboard .ctd-logo-img { width:132px; max-height:48px; }
        #cotec-teacher-dashboard .ctd-sidebar-label { color:rgba(255,255,255,.56); font-size:11px; font-weight:800; letter-spacing:.09em; text-transform:uppercase; margin-bottom:8px; }
        #cotec-teacher-dashboard .ctd-tool-select { width:100%; min-height:46px; border:1px solid rgba(255,255,255,.15); border-radius:12px; background:var(--ctd-sidebar-soft); color:#fff; padding:0 36px 0 13px; font-family:inherit; font-size:14px; font-weight:900; line-height:1.2; }
        #cotec-teacher-dashboard .ctd-tool-select option { color:#171a20; background:#fff; font-family:inherit; font-size:14px; font-weight:700; }
        #cotec-teacher-dashboard .ctd-tool-select option[data-tool-category="true"] { color:#747b86; font-size:12px; font-weight:900; }
        #cotec-teacher-dashboard .ctd-sidebar-action { color:rgba(255,255,255,.82); padding:10px 11px; border-radius:10px; gap:10px; }
        #cotec-teacher-dashboard .ctd-sidebar-action span { width:25px; height:25px; border-radius:7px; background:transparent; color:#fff; font-size:16px; }
        #cotec-teacher-dashboard .ctd-sidebar-action strong { font-size:14px; font-weight:700; }
        #cotec-teacher-dashboard .ctd-sidebar-action:hover,#cotec-teacher-dashboard .ctd-sidebar-action.is-primary { color:#fff; background:rgba(255,255,255,.09); transform:none; }
        #cotec-teacher-dashboard .ctd-sidebar-overview { margin-top:-4px; }
        #cotec-teacher-dashboard .ctd-sidebar-more { border-top:1px solid rgba(255,255,255,.1); padding-top:13px; }
        #cotec-teacher-dashboard .ctd-sidebar-more summary { list-style:none; display:flex; align-items:center; gap:10px; padding:9px 11px; border-radius:10px; cursor:pointer; color:rgba(255,255,255,.82); }
        #cotec-teacher-dashboard .ctd-sidebar-more summary::-webkit-details-marker { display:none; }
        #cotec-teacher-dashboard .ctd-sidebar-more summary span { width:25px; text-align:center; color:#fff; }
        #cotec-teacher-dashboard .ctd-sidebar-more summary strong { font-size:14px; }
        #cotec-teacher-dashboard .ctd-sidebar-more summary i { margin-left:auto; font-style:normal; transition:transform .2s ease; }
        #cotec-teacher-dashboard .ctd-sidebar-more[open] summary i { transform:rotate(180deg); }
        #cotec-teacher-dashboard .ctd-sidebar-more-content { display:grid; gap:2px; margin-top:5px; padding-left:4px; }
        #cotec-teacher-dashboard .ctd-sidebar-spacer { flex:1; min-height:24px; }
        #cotec-teacher-dashboard .ctd-sidebar-signals { border-top:1px solid rgba(255,255,255,.1); padding-top:15px; }
        #cotec-teacher-dashboard .ctd-sidebar-signal-grid { display:grid; grid-template-columns:1fr; gap:6px; }
        #cotec-teacher-dashboard .ctd-sidebar-signal { width:100%; min-width:0; border:0; border-radius:10px; background:transparent; color:#fff; padding:9px 10px; display:flex; align-items:center; justify-content:flex-start; gap:11px; cursor:pointer; font-family:inherit; text-align:left; }
        #cotec-teacher-dashboard .ctd-sidebar-signal:hover { background:rgba(255,255,255,.09); }
        #cotec-teacher-dashboard .ctd-sidebar-signal .ctd-signal-icon { width:25px; height:25px; display:grid; place-items:center; flex:0 0 25px; color:#fff; font-size:13px; font-weight:900; line-height:1; }
        #cotec-teacher-dashboard .ctd-sidebar-signal .ctd-signal-icon svg { width:19px; height:19px; fill:none; stroke:currentColor; stroke-width:1.9; stroke-linecap:round; stroke-linejoin:round; }
        #cotec-teacher-dashboard .ctd-sidebar-signal .ctd-signal-icon-67 { letter-spacing:-1px; }
        #cotec-teacher-dashboard .ctd-sidebar-signal strong { display:block; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; font-size:13px; font-weight:700; }
        #cotec-teacher-dashboard .ctd-sidebar-local-note { color:rgba(255,255,255,.4); font-size:10px; line-height:1.45; }
        #cotec-teacher-dashboard .ctd-content { background:var(--ctd-bg); }
        #cotec-teacher-dashboard .ctd-main { padding:40px clamp(24px,4vw,58px) 48px; }
        #cotec-teacher-dashboard .ctd-main-intro { display:flex; justify-content:space-between; margin-bottom:28px; }
        #cotec-teacher-dashboard.ctd-has-active-tool .ctd-main-intro { display:none !important; }
        #cotec-teacher-dashboard .ctd-title { font-size:clamp(28px,3vw,40px); font-weight:800; letter-spacing:-.7px; }
        #cotec-teacher-dashboard .ctd-subtitle { max-width:680px; font-size:15px; line-height:1.6; }
        #cotec-teacher-dashboard .ctd-home-panel { border:0; background:transparent; box-shadow:none; padding:0; }
        #cotec-teacher-dashboard .ctd-home-brand-head { margin-bottom:25px; }
        #cotec-teacher-dashboard .ctd-home-brand-copy { max-width:760px; }
        #cotec-teacher-dashboard .ctd-home-product-name { color:var(--ctd-red); font-size:12px; letter-spacing:.09em; text-transform:uppercase; font-weight:800; }
        #cotec-teacher-dashboard .ctd-home-brand-copy h2 { margin:10px 0; font-size:clamp(23px,2.5vw,34px); line-height:1.2; }
        #cotec-teacher-dashboard .ctd-home-brand-copy p { color:var(--ctd-muted); line-height:1.65; }
        #cotec-teacher-dashboard .ctd-home-tool-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; max-width:960px; }
        #cotec-teacher-dashboard .ctd-home-tool-card { min-height:112px; display:grid; grid-template-columns:42px 1fr; grid-template-rows:auto auto; column-gap:15px; align-items:center; text-align:left; padding:19px 20px; border:1px solid var(--ctd-border); border-radius:16px; background:#fff; box-shadow:none; }
        #cotec-teacher-dashboard .ctd-home-tool-card:hover { border-color:#cfd2d8; transform:translateY(-1px); box-shadow:0 8px 22px rgba(20,25,34,.05); }
        #cotec-teacher-dashboard .ctd-home-tool-card>span { grid-row:1/3; width:42px; height:42px; border-radius:12px; display:grid; place-items:center; background:#f5f5f6; font-size:22px; }
        #cotec-teacher-dashboard .ctd-home-tool-card strong { align-self:end; font-size:16px; color:var(--ctd-text); }
        #cotec-teacher-dashboard .ctd-home-tool-card small { align-self:start; color:var(--ctd-muted); font-size:13px; line-height:1.4; }
        #cotec-teacher-dashboard .ctd-focus-stage { display:block; }
        #cotec-teacher-dashboard .ctd-focus-tool { display:none; min-height:0; padding:0; border:0; border-radius:18px; overflow:hidden; box-shadow:0 8px 28px rgba(20,25,34,.06); }
        #cotec-teacher-dashboard .ctd-focus-tool.is-active-panel:not(.is-hidden) { display:block; }
        #cotec-teacher-dashboard .ctd-focus-tool:after { display:none; }
        #cotec-teacher-dashboard .ctd-focus-grid { display:grid; grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr); min-height:620px; }
        #cotec-teacher-dashboard .ctd-focus-config { padding:clamp(25px,3.5vw,46px); background:#fff; }
        #cotec-teacher-dashboard .ctd-focus-preview.ctd-help-panel { padding:clamp(25px,3.5vw,46px); background:#f8f8f9; border-left:1px solid var(--ctd-border); display:flex; flex-direction:column; align-items:stretch; justify-content:flex-start; text-align:left; gap:16px; }
        #cotec-teacher-dashboard .ctd-help-kicker { color:var(--ctd-red); font-size:11px; font-weight:800; letter-spacing:.1em; text-transform:uppercase; }
        #cotec-teacher-dashboard .ctd-help-panel h3 { margin:0; font-size:24px; letter-spacing:-.3px; }
        #cotec-teacher-dashboard .ctd-help-panel p { margin:0; color:var(--ctd-muted); font-size:15px; line-height:1.65; }
        #cotec-teacher-dashboard .ctd-help-section { margin-top:7px; padding-top:20px; border-top:1px solid var(--ctd-border); display:grid; gap:8px; }
        #cotec-teacher-dashboard .ctd-help-section strong { font-size:14px; }
        #cotec-teacher-dashboard .ctd-help-note { padding:14px 15px; border-radius:12px; background:#fff; border:1px solid var(--ctd-border); color:var(--ctd-muted); font-size:13px; line-height:1.5; }
        #cotec-teacher-dashboard .ctd-video-placeholder { margin-top:auto; min-height:112px; border:1px dashed #cfd2d8; border-radius:14px; display:flex; align-items:center; gap:14px; padding:18px; color:var(--ctd-muted); background:rgba(255,255,255,.55); }
        #cotec-teacher-dashboard .ctd-video-placeholder>span { width:42px; height:42px; border-radius:50%; display:grid; place-items:center; background:#fff; color:var(--ctd-red); border:1px solid var(--ctd-border); }
        #cotec-teacher-dashboard .ctd-video-placeholder div { display:grid; gap:3px; }
        #cotec-teacher-dashboard .ctd-video-placeholder strong { color:var(--ctd-text); font-size:14px; }
        #cotec-teacher-dashboard .ctd-video-placeholder small { font-size:12px; }
        #cotec-teacher-dashboard .ctd-tool-icon { background:#f4f4f5; color:var(--ctd-red); }
        #cotec-teacher-dashboard .ctd-focus-summary,#cotec-teacher-dashboard .ctd-random-badges { margin-top:20px; }
        #cotec-teacher-dashboard .ctd-info-box { display:none; }
        @media (max-width:900px){
            #cotec-teacher-dashboard .ctd-shell { grid-template-columns:1fr; }
            #cotec-teacher-dashboard .ctd-sidebar { position:relative; padding:18px; gap:14px; }
            #cotec-teacher-dashboard .ctd-sidebar-brand { display:flex; justify-content:center; }
            #cotec-teacher-dashboard .ctd-sidebar-spacer,#cotec-teacher-dashboard .ctd-sidebar-local-note { display:none; }
            #cotec-teacher-dashboard .ctd-sidebar-more-content { grid-template-columns:repeat(2,minmax(0,1fr)); }
            #cotec-teacher-dashboard .ctd-sidebar-signals { padding-top:12px; }
            #cotec-teacher-dashboard .ctd-sidebar-signal strong { font-size:10px; }
            #cotec-teacher-dashboard .ctd-main { padding:26px 18px 34px; }
            #cotec-teacher-dashboard .ctd-home-tool-grid { grid-template-columns:1fr; }
            #cotec-teacher-dashboard .ctd-focus-grid { grid-template-columns:1fr; min-height:0; }
            #cotec-teacher-dashboard .ctd-focus-preview.ctd-help-panel { border-left:0; border-top:1px solid var(--ctd-border); }
        }
        @media (max-width:560px){
            #cotec-teacher-dashboard .ctd-shell { border-radius:14px; }
            #cotec-teacher-dashboard .ctd-sidebar-more-content { grid-template-columns:1fr; }
            #cotec-teacher-dashboard .ctd-home-tool-card { grid-template-columns:38px 1fr; padding:16px; }
            #cotec-teacher-dashboard .ctd-focus-config,#cotec-teacher-dashboard .ctd-focus-preview.ctd-help-panel { padding:22px 17px; }
            #cotec-teacher-dashboard .ctd-focus-two-cols,#cotec-teacher-dashboard .ctd-two-cols,#cotec-teacher-dashboard .ctd-timer-inputs { grid-template-columns:1fr; }
            #cotec-teacher-dashboard .ctd-focus-actions,#cotec-teacher-dashboard .ctd-compact-actions { display:grid; grid-template-columns:1fr; }
            #cotec-teacher-dashboard .ctd-fresh-exercise-settings { grid-template-columns:1fr; }
        }


        /* v2.9.2: ruhige, konsistente Typografie */
        #cotec-teacher-dashboard {
            --ctd-font-size-body: 15px;
            --ctd-font-size-small: 13px;
            --ctd-font-size-label: 13px;
            --ctd-font-size-button: 14px;
            --ctd-font-size-heading: 24px;
            --ctd-font-weight-regular: 400;
            --ctd-font-weight-medium: 600;
            --ctd-font-weight-bold: 700;
            font-size: var(--ctd-font-size-body);
            font-weight: var(--ctd-font-weight-regular);
            line-height: 1.5;
        }

        #cotec-teacher-dashboard .ctd-title,
        #cotec-teacher-dashboard .ctd-home-brand-copy h2,
        #cotec-teacher-dashboard .ctd-focus-head h3,
        #cotec-teacher-dashboard .ctd-help-panel h3,
        #cotec-teacher-dashboard .ctd-modal-head h2 {
            font-weight: var(--ctd-font-weight-bold) !important;
        }

        #cotec-teacher-dashboard .ctd-title {
            font-size: clamp(28px, 3vw, 36px) !important;
            line-height: 1.15 !important;
            letter-spacing: -.45px !important;
        }

        #cotec-teacher-dashboard .ctd-home-brand-copy h2,
        #cotec-teacher-dashboard .ctd-focus-head h3,
        #cotec-teacher-dashboard .ctd-help-panel h3 {
            font-size: var(--ctd-font-size-heading) !important;
            line-height: 1.25 !important;
            letter-spacing: -.2px !important;
        }

        #cotec-teacher-dashboard .ctd-subtitle,
        #cotec-teacher-dashboard .ctd-home-brand-copy p,
        #cotec-teacher-dashboard .ctd-tool-head p,
        #cotec-teacher-dashboard .ctd-help-panel p,
        #cotec-teacher-dashboard .ctd-modal-box > p,
        #cotec-teacher-dashboard .ctd-tool-info-body {
            font-size: var(--ctd-font-size-body) !important;
            font-weight: var(--ctd-font-weight-regular) !important;
            line-height: 1.6 !important;
        }

        #cotec-teacher-dashboard .ctd-sidebar-label,
        #cotec-teacher-dashboard .ctd-home-product-name,
        #cotec-teacher-dashboard .ctd-help-kicker {
            font-size: 11px !important;
            font-weight: var(--ctd-font-weight-bold) !important;
            letter-spacing: .09em !important;
        }

        #cotec-teacher-dashboard .ctd-tool-select,
        #cotec-teacher-dashboard .ctd-tool-select option {
            font-size: var(--ctd-font-size-button) !important;
            font-weight: var(--ctd-font-weight-medium) !important;
        }

        #cotec-teacher-dashboard .ctd-tool-select option[data-tool-category="true"] {
            font-weight: var(--ctd-font-weight-bold) !important;
        }

        #cotec-teacher-dashboard .ctd-sidebar-action strong,
        #cotec-teacher-dashboard .ctd-sidebar-more summary strong,
        #cotec-teacher-dashboard .ctd-sidebar-signal strong,
        #cotec-teacher-dashboard button,
        #cotec-teacher-dashboard .ctd-primary-btn,
        #cotec-teacher-dashboard .ctd-secondary-btn,
        #cotec-teacher-dashboard .ctd-big-btn {
            font-size: var(--ctd-font-size-button) !important;
            font-weight: var(--ctd-font-weight-medium) !important;
            line-height: 1.3 !important;
        }

        #cotec-teacher-dashboard label,
        #cotec-teacher-dashboard .ctd-field,
        #cotec-teacher-dashboard .ctd-timer-inputs label,
        #cotec-teacher-dashboard .ctd-math-inline-settings label,
        #cotec-teacher-dashboard .ctd-vocab-inline-settings label,
        #cotec-teacher-dashboard .ctd-checkbox-line,
        #cotec-teacher-dashboard .ctd-fresh-exercise-option {
            font-size: var(--ctd-font-size-label) !important;
            font-weight: var(--ctd-font-weight-medium) !important;
        }

        #cotec-teacher-dashboard input,
        #cotec-teacher-dashboard select,
        #cotec-teacher-dashboard textarea {
            font-size: var(--ctd-font-size-body) !important;
            font-weight: var(--ctd-font-weight-regular) !important;
            line-height: 1.4 !important;
        }

        #cotec-teacher-dashboard .ctd-home-tool-card strong,
        #cotec-teacher-dashboard .ctd-focus-summary strong,
        #cotec-teacher-dashboard .ctd-help-section strong,
        #cotec-teacher-dashboard .ctd-video-placeholder strong,
        #cotec-teacher-dashboard .ctd-tool-toggle-row strong {
            font-size: var(--ctd-font-size-body) !important;
            font-weight: var(--ctd-font-weight-bold) !important;
            line-height: 1.35 !important;
        }

        #cotec-teacher-dashboard .ctd-home-tool-card small,
        #cotec-teacher-dashboard .ctd-focus-summary span,
        #cotec-teacher-dashboard .ctd-help-note,
        #cotec-teacher-dashboard .ctd-video-placeholder small,
        #cotec-teacher-dashboard .ctd-small-note,
        #cotec-teacher-dashboard .ctd-privacy-note,
        #cotec-teacher-dashboard .ctd-tool-toggle-row small,
        #cotec-teacher-dashboard .ctd-sidebar-local-note {
            font-size: var(--ctd-font-size-small) !important;
            font-weight: var(--ctd-font-weight-regular) !important;
            line-height: 1.5 !important;
        }

        #cotec-teacher-dashboard .ctd-random-badge,
        #cotec-teacher-dashboard .ctd-settings-alert {
            font-size: var(--ctd-font-size-small) !important;
            font-weight: var(--ctd-font-weight-medium) !important;
        }

        @media (max-width: 900px) {
            #cotec-teacher-dashboard .ctd-title {
                font-size: 30px !important;
            }

            #cotec-teacher-dashboard .ctd-home-brand-copy h2,
            #cotec-teacher-dashboard .ctd-focus-head h3,
            #cotec-teacher-dashboard .ctd-help-panel h3 {
                font-size: 22px !important;
            }

            #cotec-teacher-dashboard .ctd-sidebar-signal strong {
                font-size: var(--ctd-font-size-button) !important;
            }
        }

    
        /* Übersicht: klare dreistufige Einführung */
        #cotec-teacher-dashboard .ctd-overview-intro {
            max-width: 760px;
            display: flex !important;
            flex-direction: column !important;
            align-items: flex-start !important;
            justify-content: flex-start !important;
        }

        #cotec-teacher-dashboard .ctd-overview-intro .ctd-home-product-name {
            margin-bottom: 10px;
        }

        #cotec-teacher-dashboard .ctd-overview-intro .ctd-title {
            margin: 0;
        }

        #cotec-teacher-dashboard .ctd-overview-intro .ctd-subtitle {
            margin: 10px 0 0;
        }

        /* v2.9.6: Start-Headline mit ruhigem co.Tec-Akzent */
        #cotec-teacher-dashboard .ctd-overview-intro .ctd-home-product-name {
            display: inline-flex !important;
            align-items: center !important;
            width: fit-content !important;
            padding: 6px 11px !important;
            border-radius: 999px !important;
            background: rgba(205, 23, 25, 0.08) !important;
            color: var(--ctd-red) !important;
            font-size: 11px !important;
            font-weight: 700 !important;
            letter-spacing: .09em !important;
            line-height: 1 !important;
            text-transform: uppercase !important;
            margin: 0 0 12px !important;
        }

        #cotec-teacher-dashboard .ctd-overview-intro .ctd-home-title {
            position: relative;
            display: block;
            width: fit-content;
            margin: 0 !important;
            padding-bottom: 14px;
        }

        #cotec-teacher-dashboard .ctd-overview-intro .ctd-home-title strong {
            color: var(--ctd-red);
            font-weight: inherit;
        }

        #cotec-teacher-dashboard .ctd-overview-intro .ctd-home-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 54px;
            height: 4px;
            border-radius: 999px;
            background: var(--ctd-red);
        }

        #cotec-teacher-dashboard .ctd-overview-intro .ctd-subtitle {
            margin-top: 12px !important;
        }


        /* v2.9.5: Intro auf der Übersicht frei und ohne Karten-/Boxdarstellung */
        #cotec-teacher-dashboard .ctd-main-intro {
            display: flex !important;
            justify-content: space-between;
            align-items: center;
            gap: 18px;
            margin: 0 0 28px !important;
            padding: 0 !important;
            background: transparent !important;
            border: 0 !important;
            border-radius: 0 !important;
            box-shadow: none !important;
        }

        #cotec-teacher-dashboard.ctd-has-active-tool .ctd-main-intro {
            display: none !important;
        }

        @media (max-width: 760px) {
            #cotec-teacher-dashboard .ctd-main-intro {
                display: block !important;
                margin-bottom: 22px !important;
            }

            #cotec-teacher-dashboard.ctd-has-active-tool .ctd-main-intro {
                display: none !important;
            }
        }

        /* v2.9.7: Badge zuverlässig oberhalb der Überschrift anordnen */
        #cotec-teacher-dashboard .ctd-main-intro .ctd-overview-intro {
            display: flex !important;
            flex-direction: column !important;
            align-items: flex-start !important;
            justify-content: flex-start !important;
            width: 100%;
        }

        #cotec-teacher-dashboard .ctd-main-intro .ctd-overview-intro .ctd-home-product-name {
            flex: 0 0 auto;
            align-self: flex-start !important;
        }

        #cotec-teacher-dashboard .ctd-main-intro .ctd-overview-intro .ctd-home-title,
        #cotec-teacher-dashboard .ctd-main-intro .ctd-overview-intro .ctd-subtitle {
            flex: 0 0 auto;
        }


        /* v3.0.0 – hochwertige Übersicht nach finalem Mockup */
        #cotec-teacher-dashboard {
            --ctd-sidebar: #0d1a2b;
            --ctd-sidebar-2: #12243a;
            --ctd-page: #f8f9fd;
            --ctd-page-soft: #fff8fa;
            --ctd-ink: #101a2d;
            --ctd-copy: #53627a;
        }

        #cotec-teacher-dashboard .ctd-shell {
            grid-template-columns: 320px minmax(0, 1fr) !important;
            min-height: 900px !important;
            border-radius: 28px !important;
            border: 1px solid #e8ebf2 !important;
            background: var(--ctd-page) !important;
            box-shadow: 0 24px 70px rgba(18, 31, 55, .11) !important;
        }

        #cotec-teacher-dashboard .ctd-sidebar {
            position: relative !important;
            z-index: 3 !important;
            padding: 34px 26px 26px !important;
            gap: 25px !important;
            color: #fff !important;
            background:
                radial-gradient(circle at 10% 102%, rgba(45, 118, 177, .18), transparent 34%),
                linear-gradient(160deg, var(--ctd-sidebar-2) 0%, var(--ctd-sidebar) 58%, #0a1625 100%) !important;
            border-right: 0 !important;
        }

        #cotec-teacher-dashboard .ctd-logo-img { width: 156px !important; max-height: 58px !important; }
        #cotec-teacher-dashboard .ctd-sidebar-label { color: #aab5c5 !important; font-size: 11px !important; font-weight: 700 !important; letter-spacing: .12em !important; text-transform: uppercase !important; }

        #cotec-teacher-dashboard .ctd-tool-picker {
            position: relative !important;
            display: flex !important;
            align-items: center !important;
            min-height: 58px !important;
            border: 1px solid rgba(255,255,255,.18) !important;
            border-radius: 14px !important;
            background: rgba(255,255,255,.035) !important;
            box-shadow: inset 3px 0 0 var(--ctd-red) !important;
            overflow: hidden !important;
        }
        #cotec-teacher-dashboard .ctd-tool-picker-icon {
            position: absolute !important; left: 17px !important; top: 50% !important; transform: translateY(-50%) !important;
            width: 21px !important; height: 21px !important; color: #fff !important; z-index: 2 !important; pointer-events: none !important;
        }
        #cotec-teacher-dashboard .ctd-tool-picker-icon svg,
        #cotec-teacher-dashboard .ctd-sidebar-nav-icon svg { width: 100% !important; height: 100% !important; fill: none !important; stroke: currentColor !important; stroke-width: 1.8 !important; }
        #cotec-teacher-dashboard .ctd-tool-select {
            width: 100% !important; min-height: 58px !important; padding: 0 46px 0 52px !important;
            border: 0 !important; border-radius: 14px !important; color: #fff !important; background: transparent !important;
            font-size: 14px !important; font-weight: 600 !important; line-height: 1.2 !important; box-shadow: none !important;
        }
        #cotec-teacher-dashboard .ctd-tool-select option { color: #111827 !important; background: #fff !important; }

        #cotec-teacher-dashboard .ctd-sidebar-action,
        #cotec-teacher-dashboard .ctd-sidebar-more summary,
        #cotec-teacher-dashboard .ctd-sidebar-signal {
            color: #fff !important;
        }
        #cotec-teacher-dashboard .ctd-sidebar-overview {
            min-height: 56px !important; padding: 13px 16px !important; border-radius: 13px !important;
            background: rgba(255,255,255,.09) !important; box-shadow: inset 3px 0 0 var(--ctd-red) !important;
        }
        #cotec-teacher-dashboard .ctd-sidebar-overview:hover { background: rgba(255,255,255,.14) !important; color: #fff !important; transform: none !important; }
        #cotec-teacher-dashboard .ctd-sidebar-nav-icon { width: 24px !important; height: 24px !important; color: #fff !important; background: transparent !important; }
        #cotec-teacher-dashboard .ctd-sidebar-more { border-top: 1px solid rgba(255,255,255,.13) !important; padding-top: 8px !important; }
        #cotec-teacher-dashboard .ctd-sidebar-more summary { padding: 14px 15px !important; }
        #cotec-teacher-dashboard .ctd-sidebar-more-content .ctd-sidebar-action:hover { color: #fff !important; background: rgba(255,255,255,.08) !important; }
        #cotec-teacher-dashboard .ctd-sidebar-signals { border-top: 1px solid rgba(255,255,255,.14) !important; padding-top: 20px !important; }
        #cotec-teacher-dashboard .ctd-sidebar-signal-grid { display: grid !important; grid-template-columns: 1fr !important; gap: 7px !important; }
        #cotec-teacher-dashboard .ctd-sidebar-signal { min-height: 44px !important; padding: 9px 12px !important; border-radius: 11px !important; justify-content: flex-start !important; background: transparent !important; }
        #cotec-teacher-dashboard .ctd-sidebar-signal:hover { background: rgba(255,255,255,.08) !important; }
        #cotec-teacher-dashboard .ctd-signal-icon { color: #fff !important; }
        #cotec-teacher-dashboard .ctd-signal-icon svg { stroke: #fff !important; fill: none !important; }
        #cotec-teacher-dashboard .ctd-sidebar-local-note { color: #95a3b5 !important; font-size: 12px !important; line-height: 1.55 !important; }

        #cotec-teacher-dashboard .ctd-content {
            position: relative !important;
            isolation: isolate !important;
            overflow: hidden !important;
            background:
                radial-gradient(circle at 93% 8%, rgba(235, 230, 255, .92), transparent 24%),
                radial-gradient(circle at 58% 2%, rgba(232, 240, 255, .78), transparent 27%),
                linear-gradient(180deg, #fbfcff 0%, #f8f9fd 58%, #fff8fa 100%) !important;
        }
        #cotec-teacher-dashboard .ctd-content::before {
            content: "" !important; position: absolute !important; z-index: -1 !important; pointer-events: none !important;
            width: 420px !important; height: 230px !important; right: -70px !important; top: -45px !important;
            background-image: radial-gradient(circle, rgba(105, 112, 202, .16) 2px, transparent 2.5px) !important;
            background-size: 23px 23px !important; mask-image: linear-gradient(115deg, transparent, #000 35%, transparent 85%) !important;
        }
        #cotec-teacher-dashboard .ctd-content::after {
            content: "" !important; position: absolute !important; z-index: -1 !important; pointer-events: none !important;
            left: -6% !important; right: -5% !important; bottom: -88px !important; height: 190px !important;
            border-radius: 50% 50% 0 0 / 35% 35% 0 0 !important;
            background:
                radial-gradient(circle at 17% 35%, rgba(205,23,25,.09), transparent 20%),
                radial-gradient(circle at 67% 35%, rgba(126,87,194,.10), transparent 22%),
                linear-gradient(90deg, #fff1f4, #f5f1ff 55%, #eef3ff) !important;
            transform: rotate(-1.5deg) !important;
        }
        #cotec-teacher-dashboard .ctd-main { position: relative !important; z-index: 1 !important; padding: 42px 58px 58px !important; }

        #cotec-teacher-dashboard .ctd-main-intro { display: block !important; margin: 0 0 26px !important; padding: 0 !important; background: transparent !important; border: 0 !important; box-shadow: none !important; }
        #cotec-teacher-dashboard.ctd-has-active-tool .ctd-main-intro { display: none !important; }
        #cotec-teacher-dashboard .ctd-overview-hero { display: grid !important; grid-template-columns: minmax(360px, .9fr) minmax(480px, 1.25fr) !important; align-items: center !important; gap: 28px !important; min-height: 250px !important; }
        #cotec-teacher-dashboard .ctd-overview-copy { display: flex !important; flex-direction: column !important; align-items: flex-start !important; }
        #cotec-teacher-dashboard .ctd-home-product-name { display: inline-flex !important; padding: 6px 12px !important; border-radius: 999px !important; margin: 0 0 18px !important; color: var(--ctd-red) !important; background: rgba(205,23,25,.075) !important; font-size: 11px !important; font-weight: 700 !important; letter-spacing: .08em !important; text-transform: uppercase !important; }
        #cotec-teacher-dashboard .ctd-home-title { margin: 0 !important; font-size: clamp(34px, 3.3vw, 58px) !important; line-height: 1.03 !important; letter-spacing: -1.7px !important; color: var(--ctd-ink) !important; }
        #cotec-teacher-dashboard .ctd-home-title span { color: var(--ctd-ink) !important; }
        #cotec-teacher-dashboard .ctd-home-title strong { color: var(--ctd-red) !important; font-weight: 700 !important; }
        #cotec-teacher-dashboard .ctd-title-accent { width: 54px !important; height: 4px !important; margin: 17px 0 17px !important; border-radius: 999px !important; background: var(--ctd-red) !important; }
        #cotec-teacher-dashboard .ctd-overview-copy .ctd-subtitle { max-width: 610px !important; margin: 0 !important; color: var(--ctd-copy) !important; font-size: 15px !important; line-height: 1.55 !important; }
        #cotec-teacher-dashboard .ctd-overview-visual { position: relative !important; min-height: 250px !important; display: flex !important; align-items: center !important; justify-content: center !important; padding-right: 168px !important; }
        #cotec-teacher-dashboard .ctd-overview-illustration { display: block !important; width: min(100%, 570px) !important; max-height: 270px !important; object-fit: contain !important; filter: drop-shadow(0 20px 24px rgba(26,38,64,.14)) !important; }
        #cotec-teacher-dashboard .ctd-tool-count-card { position: absolute !important; right: 0 !important; top: 50% !important; transform: translateY(-50%) !important; min-width: 150px !important; min-height: 102px !important; display: flex !important; align-items: center !important; gap: 13px !important; padding: 18px !important; border: 1px solid rgba(106, 73, 201, .09) !important; border-radius: 17px !important; background: rgba(255,255,255,.86) !important; box-shadow: 0 14px 32px rgba(35,42,70,.08) !important; backdrop-filter: blur(8px) !important; }
        #cotec-teacher-dashboard .ctd-tool-count-icon { width: 50px !important; height: 50px !important; display: grid !important; place-items: center !important; flex: 0 0 50px !important; border-radius: 14px !important; color: #7c3aed !important; background: #f2eaff !important; }
        #cotec-teacher-dashboard .ctd-tool-count-icon svg { width: 27px !important; height: 27px !important; fill: none !important; stroke: currentColor !important; stroke-width: 1.8 !important; }
        #cotec-teacher-dashboard .ctd-tool-count-card > span:last-child { display: grid !important; gap: 3px !important; }
        #cotec-teacher-dashboard .ctd-tool-count-card strong { font-size: 26px !important; line-height: 1 !important; color: var(--ctd-ink) !important; }
        #cotec-teacher-dashboard .ctd-tool-count-card small { color: var(--ctd-copy) !important; font-size: 12px !important; white-space: nowrap !important; }

        #cotec-teacher-dashboard .ctd-home-panel { position: relative !important; z-index: 1 !important; }
        #cotec-teacher-dashboard .ctd-home-tool-grid { display: grid !important; grid-template-columns: repeat(4, minmax(0, 1fr)) !important; gap: 18px !important; }
        #cotec-teacher-dashboard .ctd-home-tool-card {
            position: relative !important; min-height: 240px !important; display: flex !important; flex-direction: column !important; align-items: flex-start !important;
            padding: 24px !important; border: 1px solid rgba(29,43,70,.075) !important; border-radius: 20px !important; color: var(--ctd-ink) !important;
            background: rgba(255,255,255,.93) !important; box-shadow: 0 11px 28px rgba(31,45,72,.075) !important; text-align: left !important;
            overflow: hidden !important; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease !important; text-decoration: none !important;
        }
        #cotec-teacher-dashboard .ctd-home-tool-card::after { content: "" !important; position: absolute !important; inset: auto -55px -60px auto !important; width: 145px !important; height: 145px !important; border-radius: 50% !important; background: radial-gradient(circle, var(--ctd-card-tint, rgba(205,23,25,.08)), transparent 70%) !important; pointer-events: none !important; }
        #cotec-teacher-dashboard .ctd-home-tool-card:hover { transform: translateY(-4px) !important; border-color: rgba(205,23,25,.16) !important; box-shadow: 0 18px 38px rgba(31,45,72,.12) !important; color: var(--ctd-ink) !important; }
        #cotec-teacher-dashboard .ctd-home-card-icon { width: 66px !important; height: 66px !important; display: grid !important; place-items: center !important; margin-bottom: 20px !important; border-radius: 17px !important; background: var(--ctd-icon-bg, #fff0f1) !important; font-size: 32px !important; box-shadow: inset 0 0 0 1px rgba(255,255,255,.55) !important; }
        #cotec-teacher-dashboard .ctd-home-card-copy { display: grid !important; gap: 9px !important; padding-right: 20px !important; }
        #cotec-teacher-dashboard .ctd-home-card-copy strong { color: var(--ctd-ink) !important; font-size: 19px !important; line-height: 1.2 !important; font-weight: 700 !important; }
        #cotec-teacher-dashboard .ctd-home-card-copy small { color: var(--ctd-copy) !important; font-size: 13px !important; line-height: 1.55 !important; }
        #cotec-teacher-dashboard .ctd-home-card-arrow { position: absolute !important; right: 23px !important; bottom: 22px !important; width: 44px !important; height: 44px !important; display: grid !important; place-items: center !important; border-radius: 50% !important; color: var(--ctd-card-accent, var(--ctd-red)) !important; background: var(--ctd-icon-bg, #fff0f1) !important; font-size: 24px !important; line-height: 1 !important; }
        #cotec-teacher-dashboard .ctd-tool-red { --ctd-icon-bg:#fff0f2; --ctd-card-accent:#ef233c; --ctd-card-tint:rgba(239,35,60,.12); }
        #cotec-teacher-dashboard .ctd-tool-blue { --ctd-icon-bg:#edf5ff; --ctd-card-accent:#1683ff; --ctd-card-tint:rgba(22,131,255,.11); }
        #cotec-teacher-dashboard .ctd-tool-purple { --ctd-icon-bg:#f4edff; --ctd-card-accent:#7c2cff; --ctd-card-tint:rgba(124,44,255,.11); }
        #cotec-teacher-dashboard .ctd-tool-green { --ctd-icon-bg:#eaf9f5; --ctd-card-accent:#11a984; --ctd-card-tint:rgba(17,169,132,.11); }
        #cotec-teacher-dashboard .ctd-tool-orange { --ctd-icon-bg:#fff1e8; --ctd-card-accent:#ff6b20; --ctd-card-tint:rgba(255,107,32,.12); }
        #cotec-teacher-dashboard .ctd-tool-teal { --ctd-icon-bg:#e8faf8; --ctd-card-accent:#0eb5a4; --ctd-card-tint:rgba(14,181,164,.11); }
        #cotec-teacher-dashboard .ctd-tool-yellow { --ctd-icon-bg:#fff6e7; --ctd-card-accent:#f5a000; --ctd-card-tint:rgba(245,160,0,.12); }
        #cotec-teacher-dashboard .ctd-idea-card { background: linear-gradient(145deg, #fff8fa, #ffecef) !important; border-color: rgba(205,23,25,.13) !important; }
        #cotec-teacher-dashboard .ctd-idea-card .ctd-home-card-icon { background:#fff !important; color:var(--ctd-red) !important; box-shadow:0 8px 20px rgba(205,23,25,.10) !important; }
        #cotec-teacher-dashboard .ctd-idea-card-cta { position:absolute !important; left:22px !important; right:22px !important; bottom:19px !important; min-height:42px !important; display:grid !important; place-items:center !important; border-radius:10px !important; color:#fff !important; background:var(--ctd-red) !important; font-size:13px !important; font-weight:700 !important; }
        #cotec-teacher-dashboard .ctd-idea-card:hover .ctd-idea-card-cta { background:var(--ctd-red-dark) !important; }

        @media (max-width: 1380px) {
            #cotec-teacher-dashboard .ctd-shell { grid-template-columns: 285px minmax(0,1fr) !important; }
            #cotec-teacher-dashboard .ctd-main { padding: 38px 38px 52px !important; }
            #cotec-teacher-dashboard .ctd-overview-hero { grid-template-columns: minmax(330px,.85fr) minmax(420px,1.15fr) !important; }
            #cotec-teacher-dashboard .ctd-home-tool-grid { grid-template-columns: repeat(3,minmax(0,1fr)) !important; }
        }
        @media (max-width: 1050px) {
            #cotec-teacher-dashboard .ctd-overview-hero { grid-template-columns: 1fr !important; }
            #cotec-teacher-dashboard .ctd-overview-visual { padding-right: 150px !important; justify-content:flex-start !important; }
            #cotec-teacher-dashboard .ctd-home-tool-grid { grid-template-columns: repeat(2,minmax(0,1fr)) !important; }
        }
        @media (max-width: 760px) {
            #cotec-teacher-dashboard .ctd-shell { display:block !important; min-height:0 !important; border-radius:18px !important; }
            #cotec-teacher-dashboard .ctd-sidebar { padding:20px 18px !important; gap:18px !important; }
            #cotec-teacher-dashboard .ctd-sidebar-spacer { display:none !important; }
            #cotec-teacher-dashboard .ctd-main { padding:28px 18px 44px !important; }
            #cotec-teacher-dashboard .ctd-overview-hero { min-height:0 !important; gap:20px !important; }
            #cotec-teacher-dashboard .ctd-home-title { font-size:clamp(31px,10vw,46px) !important; }
            #cotec-teacher-dashboard .ctd-overview-visual { min-height:210px !important; padding-right:0 !important; padding-bottom:80px !important; }
            #cotec-teacher-dashboard .ctd-overview-illustration { max-height:220px !important; }
            #cotec-teacher-dashboard .ctd-tool-count-card { top:auto !important; right:auto !important; left:0 !important; bottom:0 !important; transform:none !important; min-width:145px !important; min-height:72px !important; }
            #cotec-teacher-dashboard .ctd-tool-count-icon { width:42px !important; height:42px !important; flex-basis:42px !important; }
            #cotec-teacher-dashboard .ctd-home-tool-grid { grid-template-columns:1fr !important; }
            #cotec-teacher-dashboard .ctd-home-tool-card { min-height:190px !important; }
        }

    

        /* v3.0.1 – korrigierte Kartenstruktur; hebt ältere generische Span-Regeln sicher auf */
        #cotec-teacher-dashboard .ctd-home-tool-card > .ctd-home-card-icon {
            grid-row: auto !important;
            width: 66px !important;
            height: 66px !important;
            min-width: 66px !important;
            min-height: 66px !important;
            margin: 0 0 20px !important;
            padding: 0 !important;
            border-radius: 17px !important;
            display: grid !important;
            place-items: center !important;
            background: var(--ctd-icon-bg, #fff0f1) !important;
            font-size: 32px !important;
            line-height: 1 !important;
        }

        #cotec-teacher-dashboard .ctd-home-tool-card > .ctd-home-card-copy {
            grid-row: auto !important;
            width: 100% !important;
            height: auto !important;
            min-width: 0 !important;
            min-height: 0 !important;
            margin: 0 !important;
            padding: 0 18px 62px 0 !important;
            border-radius: 0 !important;
            display: flex !important;
            flex-direction: column !important;
            align-items: flex-start !important;
            justify-content: flex-start !important;
            gap: 9px !important;
            background: transparent !important;
            font-size: inherit !important;
            line-height: inherit !important;
            overflow: visible !important;
        }

        #cotec-teacher-dashboard .ctd-home-tool-card > .ctd-home-card-copy > strong,
        #cotec-teacher-dashboard .ctd-home-tool-card > .ctd-home-card-copy > small {
            position: static !important;
            display: block !important;
            width: 100% !important;
            height: auto !important;
            margin: 0 !important;
            padding: 0 !important;
            background: transparent !important;
            text-align: left !important;
            white-space: normal !important;
            overflow: visible !important;
            text-overflow: clip !important;
        }

        #cotec-teacher-dashboard .ctd-home-tool-card > .ctd-home-card-arrow {
            grid-row: auto !important;
            position: absolute !important;
            right: 23px !important;
            bottom: 22px !important;
            width: 44px !important;
            height: 44px !important;
            min-width: 44px !important;
            min-height: 44px !important;
            margin: 0 !important;
            padding: 0 !important;
            border-radius: 50% !important;
            display: grid !important;
            place-items: center !important;
            background: var(--ctd-icon-bg, #fff0f1) !important;
            font-size: 24px !important;
            line-height: 1 !important;
        }

        #cotec-teacher-dashboard .ctd-idea-card > .ctd-home-card-copy {
            padding-bottom: 70px !important;
        }

        #cotec-teacher-dashboard .ctd-idea-card > .ctd-idea-card-cta {
            grid-row: auto !important;
            width: auto !important;
            height: 42px !important;
            min-height: 42px !important;
            margin: 0 !important;
            padding: 0 14px !important;
            border-radius: 10px !important;
            background: var(--ctd-red) !important;
            font-size: 13px !important;
            line-height: 1.2 !important;
        }

        @media (max-width: 760px) {
            #cotec-teacher-dashboard .ctd-home-tool-card > .ctd-home-card-copy {
                padding-right: 8px !important;
                padding-bottom: 56px !important;
            }
        }


        /* v3.0.2 – volle Grid-Breite, kompakte Höhe und Mockup-Hintergrund */
        #cotec-teacher-dashboard .ctd-shell {
            min-height: 0 !important;
            height: auto !important;
            overflow: hidden !important;
        }

        #cotec-teacher-dashboard .ctd-content {
            min-width: 0 !important;
            overflow: hidden !important;
            background:
                radial-gradient(circle at 86% 4%, rgba(234, 228, 255, .92) 0, rgba(234, 228, 255, .42) 18%, transparent 38%),
                radial-gradient(circle at 46% -10%, rgba(225, 238, 255, .92) 0, rgba(225, 238, 255, .46) 24%, transparent 48%),
                linear-gradient(180deg, #fbfcff 0%, #f9faff 58%, #fffafd 100%) !important;
        }

        #cotec-teacher-dashboard .ctd-content::before {
            width: 420px !important;
            height: 230px !important;
            right: -28px !important;
            top: -28px !important;
            opacity: .74 !important;
            background-image: radial-gradient(circle, rgba(111, 102, 213, .17) 1.8px, transparent 2.1px) !important;
            background-size: 22px 22px !important;
            -webkit-mask-image: linear-gradient(120deg, transparent 2%, #000 33%, #000 68%, transparent 96%) !important;
            mask-image: linear-gradient(120deg, transparent 2%, #000 33%, #000 68%, transparent 96%) !important;
        }

        #cotec-teacher-dashboard .ctd-content::after {
            left: -4% !important;
            right: -4% !important;
            bottom: -72px !important;
            height: 150px !important;
            border-radius: 50% 50% 0 0 / 42% 42% 0 0 !important;
            background:
                radial-gradient(circle at 18% 42%, rgba(205, 23, 25, .08), transparent 24%),
                radial-gradient(circle at 69% 30%, rgba(126, 87, 194, .10), transparent 25%),
                linear-gradient(90deg, #fff0f4 0%, #f8efff 52%, #edf2ff 100%) !important;
            transform: rotate(-1deg) !important;
        }

        #cotec-teacher-dashboard .ctd-main {
            width: 100% !important;
            max-width: none !important;
            padding: 36px clamp(34px, 3.2vw, 58px) 42px !important;
        }

        #cotec-teacher-dashboard .ctd-main-intro {
            margin-bottom: 22px !important;
        }

        #cotec-teacher-dashboard .ctd-overview-hero {
            width: 100% !important;
            grid-template-columns: minmax(410px, .92fr) minmax(560px, 1.25fr) !important;
            gap: clamp(24px, 3vw, 52px) !important;
            min-height: 236px !important;
        }

        #cotec-teacher-dashboard .ctd-overview-visual {
            min-width: 0 !important;
            min-height: 236px !important;
        }

        #cotec-teacher-dashboard .ctd-home-panel {
            width: 100% !important;
            max-width: none !important;
            margin: 0 !important;
        }

        #cotec-teacher-dashboard .ctd-home-tool-grid {
            width: 100% !important;
            max-width: none !important;
            margin: 0 !important;
            grid-template-columns: repeat(4, minmax(210px, 1fr)) !important;
            gap: 18px !important;
        }

        #cotec-teacher-dashboard .ctd-home-tool-card {
            width: 100% !important;
            min-width: 0 !important;
            min-height: 220px !important;
            padding: 22px !important;
        }

        #cotec-teacher-dashboard .ctd-home-card-copy {
            max-width: 100% !important;
        }

        @media (max-width: 1450px) {
            #cotec-teacher-dashboard .ctd-overview-hero {
                grid-template-columns: minmax(350px, .9fr) minmax(460px, 1.1fr) !important;
            }
            #cotec-teacher-dashboard .ctd-home-tool-grid {
                grid-template-columns: repeat(4, minmax(180px, 1fr)) !important;
            }
        }

        @media (max-width: 1180px) {
            #cotec-teacher-dashboard .ctd-home-tool-grid {
                grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
            }
        }

        @media (max-width: 1050px) {
            #cotec-teacher-dashboard .ctd-overview-hero {
                grid-template-columns: 1fr !important;
            }
            #cotec-teacher-dashboard .ctd-home-tool-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
            }
        }

        @media (max-width: 760px) {
            #cotec-teacher-dashboard .ctd-main {
                padding: 28px 18px 38px !important;
            }
            #cotec-teacher-dashboard .ctd-home-tool-grid {
                grid-template-columns: 1fr !important;
            }
            #cotec-teacher-dashboard .ctd-home-tool-card {
                min-height: 188px !important;
            }
        }



        /* v3.0.3 – Sidebar-Reihenfolge und sichtbare Vollbildsteuerung */
        #cotec-teacher-dashboard .ctd-sidebar { gap:18px !important; }
        #cotec-teacher-dashboard .ctd-sidebar-brand { margin-bottom:4px; order:1; }
        #cotec-teacher-dashboard .ctd-sidebar-overview { order:2; margin:0 !important; }
        #cotec-teacher-dashboard .ctd-sidebar-section { order:3; margin:0 !important; }
        #cotec-teacher-dashboard .ctd-sidebar-signals { order:4; margin:2px 0 0 !important; padding-top:18px !important; border-top:1px solid rgba(255,255,255,.12) !important; }
        #cotec-teacher-dashboard .ctd-sidebar-more { order:5; margin:0 !important; padding-top:8px !important; border-top:1px solid rgba(255,255,255,.12) !important; }
        #cotec-teacher-dashboard .ctd-sidebar-local-note { order:6; margin-top:auto !important; }
        #cotec-teacher-dashboard .ctd-tool-select { font-weight:500 !important; letter-spacing:0 !important; }
        #cotec-teacher-dashboard .ctd-tool-select option { font-weight:500 !important; }
        #cotec-teacher-dashboard .ctd-tool-select option[data-tool-category="true"] { font-weight:700 !important; }
        #cotec-teacher-dashboard .ctd-content { position:relative; }
        #cotec-teacher-dashboard .ctd-content-actions { position:absolute; top:22px; right:26px; z-index:18; display:flex; justify-content:flex-end; pointer-events:none; }
        #cotec-teacher-dashboard .ctd-content-fullscreen { pointer-events:auto; display:inline-flex; align-items:center; gap:9px; min-height:44px; padding:0 15px; border:1px solid rgba(20,31,50,.12); border-radius:13px; background:rgba(255,255,255,.82); color:#152238; box-shadow:0 10px 28px rgba(36,45,70,.10); backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px); font-family:inherit; font-size:14px; font-weight:600; cursor:pointer; transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,background .18s ease; }
        #cotec-teacher-dashboard .ctd-content-fullscreen:hover { transform:translateY(-1px); border-color:rgba(205,23,25,.28); background:#fff; box-shadow:0 14px 32px rgba(36,45,70,.14); }
        #cotec-teacher-dashboard .ctd-content-fullscreen span { width:20px; height:20px; display:grid; place-items:center; color:var(--ctd-red); }
        #cotec-teacher-dashboard .ctd-content-fullscreen svg { width:19px; height:19px; fill:none; stroke:currentColor; stroke-width:1.9; stroke-linecap:round; stroke-linejoin:round; }
        #cotec-teacher-dashboard .ctd-content-fullscreen strong { font:inherit; font-weight:600; }
        @media (max-width:900px) {
            #cotec-teacher-dashboard .ctd-content-actions { top:16px; right:16px; }
            #cotec-teacher-dashboard .ctd-content-fullscreen { width:44px; padding:0; justify-content:center; }
            #cotec-teacher-dashboard .ctd-content-fullscreen strong { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
        }
        @media (max-width:760px) {
            #cotec-teacher-dashboard .ctd-sidebar { gap:14px !important; }
            #cotec-teacher-dashboard .ctd-sidebar-signals,#cotec-teacher-dashboard .ctd-sidebar-more { padding-top:14px !important; }
        }


        /* v3.0.5 – mehr Abstand oberhalb einer geöffneten Tool-Ansicht außerhalb des Vollbildmodus */
        #cotec-teacher-dashboard.ctd-has-active-tool .ctd-main {
            padding-top: 76px !important;
        }

        @media (max-width: 900px) {
            #cotec-teacher-dashboard.ctd-has-active-tool .ctd-main {
                padding-top: 68px !important;
            }
        }

        /* v3.0.4 – sauberer Vollbildmodus über die gesamte Bildschirmfläche */
        #cotec-teacher-dashboard:fullscreen,
        #cotec-teacher-dashboard:-webkit-full-screen {
            width: 100vw !important;
            height: 100vh !important;
            height: 100dvh !important;
            min-height: 100vh !important;
            min-height: 100dvh !important;
            margin: 0 !important;
            padding: 0 !important;
            overflow: hidden !important;
            background: #f8f9fd !important;
            border-radius: 0 !important;
        }

        #cotec-teacher-dashboard:fullscreen .ctd-shell,
        #cotec-teacher-dashboard:-webkit-full-screen .ctd-shell {
            width: 100% !important;
            height: 100vh !important;
            height: 100dvh !important;
            min-height: 100vh !important;
            min-height: 100dvh !important;
            max-height: 100vh !important;
            max-height: 100dvh !important;
            margin: 0 !important;
            border: 0 !important;
            border-radius: 0 !important;
            box-shadow: none !important;
            overflow: hidden !important;
        }

        #cotec-teacher-dashboard:fullscreen .ctd-sidebar,
        #cotec-teacher-dashboard:-webkit-full-screen .ctd-sidebar {
            height: 100vh !important;
            height: 100dvh !important;
            min-height: 0 !important;
            max-height: 100vh !important;
            max-height: 100dvh !important;
            border-radius: 0 !important;
            overflow-y: auto !important;
            overscroll-behavior: contain;
            scrollbar-width: thin;
        }

        #cotec-teacher-dashboard:fullscreen .ctd-content,
        #cotec-teacher-dashboard:-webkit-full-screen .ctd-content {
            height: 100vh !important;
            height: 100dvh !important;
            min-height: 0 !important;
            max-height: 100vh !important;
            max-height: 100dvh !important;
            display: flex !important;
            flex-direction: column !important;
            overflow: hidden !important;
        }

        #cotec-teacher-dashboard:fullscreen .ctd-main,
        #cotec-teacher-dashboard:-webkit-full-screen .ctd-main {
            flex: 1 1 auto !important;
            min-height: 0 !important;
            height: auto !important;
            overflow-y: auto !important;
            overflow-x: hidden !important;
            overscroll-behavior: contain;
            scrollbar-gutter: stable;
            padding-top: 68px !important;
        }

        #cotec-teacher-dashboard:fullscreen .ctd-content-actions,
        #cotec-teacher-dashboard:-webkit-full-screen .ctd-content-actions {
            position: fixed !important;
            top: 18px !important;
            right: 22px !important;
            z-index: 1000 !important;
        }

        #cotec-teacher-dashboard:fullscreen .ctd-content-fullscreen,
        #cotec-teacher-dashboard:-webkit-full-screen .ctd-content-fullscreen {
            background: rgba(255,255,255,.94) !important;
            box-shadow: 0 10px 30px rgba(31,42,68,.14) !important;
        }

        #cotec-teacher-dashboard:fullscreen .ctd-focus-tool,
        #cotec-teacher-dashboard:-webkit-full-screen .ctd-focus-tool {
            margin-bottom: 0 !important;
        }

        #cotec-teacher-dashboard:fullscreen .ctd-focus-grid,
        #cotec-teacher-dashboard:-webkit-full-screen .ctd-focus-grid {
            min-height: calc(100dvh - 116px) !important;
        }

        @media (max-width: 900px) {
            #cotec-teacher-dashboard:fullscreen,
            #cotec-teacher-dashboard:-webkit-full-screen {
                overflow-y: auto !important;
            }

            #cotec-teacher-dashboard:fullscreen .ctd-shell,
            #cotec-teacher-dashboard:-webkit-full-screen .ctd-shell {
                height: auto !important;
                min-height: 100vh !important;
                min-height: 100dvh !important;
                max-height: none !important;
                overflow: visible !important;
            }

            #cotec-teacher-dashboard:fullscreen .ctd-sidebar,
            #cotec-teacher-dashboard:-webkit-full-screen .ctd-sidebar,
            #cotec-teacher-dashboard:fullscreen .ctd-content,
            #cotec-teacher-dashboard:-webkit-full-screen .ctd-content {
                height: auto !important;
                min-height: 0 !important;
                max-height: none !important;
                overflow: visible !important;
            }

            #cotec-teacher-dashboard:fullscreen .ctd-main,
            #cotec-teacher-dashboard:-webkit-full-screen .ctd-main {
                overflow: visible !important;
                padding-top: 70px !important;
            }

            #cotec-teacher-dashboard:fullscreen .ctd-focus-grid,
            #cotec-teacher-dashboard:-webkit-full-screen .ctd-focus-grid {
                min-height: 0 !important;
            }
        }

/* v3.1.1 – Sidebar: Icon und Beschriftung des Übersichtsbuttons mittig auf einer Zeile */
#cotec-teacher-dashboard #ctd-sidebar-home {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 12px !important;
}

#cotec-teacher-dashboard #ctd-sidebar-home .ctd-sidebar-nav-icon {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex: 0 0 24px !important;
    width: 24px !important;
    height: 24px !important;
    margin: 0 !important;
}

#cotec-teacher-dashboard #ctd-sidebar-home strong {
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 24px !important;
}

/* v3.2.1 – Einträge im Sidebar-Menü „Mehr“ ohne Kasten und mit ausgerichtetem Icon. */
#cotec-teacher-dashboard .ctd-sidebar-more-content > .ctd-sidebar-action {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 12px !important;
    width: 100% !important;
    min-height: 44px !important;
    padding: 9px 11px !important;
    margin: 0 !important;
    border: 0 !important;
    border-radius: 10px !important;
    box-shadow: none !important;
    background: transparent !important;
    color: #fff !important;
    text-decoration: none !important;
    text-align: left !important;
    transform: none !important;
}
#cotec-teacher-dashboard .ctd-sidebar-more-content > .ctd-sidebar-action:hover,
#cotec-teacher-dashboard .ctd-sidebar-more-content > .ctd-sidebar-action:focus-visible {
    background: rgba(255,255,255,.09) !important;
    border: 0 !important;
    box-shadow: none !important;
    transform: none !important;
}
#cotec-teacher-dashboard .ctd-sidebar-more-content > .ctd-sidebar-action:focus-visible {
    outline: 2px solid #fff !important;
    outline-offset: 2px !important;
}
#cotec-teacher-dashboard .ctd-sidebar-more-content > .ctd-sidebar-action > span {
    display: grid !important;
    place-items: center !important;
    flex: 0 0 25px !important;
    width: 25px !important;
    height: 25px !important;
    min-width: 25px !important;
    margin: 0 !important;
    padding: 0 !important;
    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
    color: #fff !important;
    font-size: 17px !important;
    line-height: 1 !important;
}
#cotec-teacher-dashboard .ctd-sidebar-more-content > .ctd-sidebar-action > strong {
    display: block !important;
    flex: 1 1 auto !important;
    min-width: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    color: #fff !important;
    font-size: 14px !important;
    line-height: 1.35 !important;
    text-align: left !important;
    overflow-wrap: normal !important;
}
#cotec-teacher-dashboard .ctd-updates-link {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    text-decoration: none !important;
    margin-top: 8px !important;
}
#cotec-teacher-dashboard .ctd-updates-link:hover {
    color: #fff !important;
}

/* v3.3.0 – selbstverwaltete, freiwillige Tool-Updates */
#cotec-teacher-dashboard .ctd-updates-form { display:grid; gap:14px; margin-top:18px; }
#cotec-teacher-dashboard .ctd-updates-form .ctd-field { display:grid; gap:7px; }
#cotec-teacher-dashboard .ctd-updates-form input[type="email"] { width:100%; max-width:100%; min-height:46px; padding:10px 12px; border:1px solid var(--ctd-border); border-radius:12px; background:var(--ctd-card); color:var(--ctd-text); }
#cotec-teacher-dashboard .ctd-updates-consent { display:flex !important; flex-direction:row !important; align-items:flex-start !important; gap:10px !important; font-size:14px !important; line-height:1.4 !important; font-weight:400 !important; color:var(--ctd-text) !important; }
#cotec-teacher-dashboard .ctd-updates-consent input[type="checkbox"] { flex:0 0 18px !important; width:18px !important; height:18px !important; min-width:18px !important; margin:1px 0 0 !important; accent-color:var(--ctd-red); }
#cotec-teacher-dashboard .ctd-updates-trap { position:absolute !important; left:-10000px !important; width:1px; height:1px; overflow:hidden; }
#cotec-teacher-dashboard .ctd-updates-form button[type="submit"] { justify-self:start; }
#cotec-teacher-dashboard .ctd-updates-result { margin:15px; padding:15px 18px; border-left:4px solid var(--ctd-red); background:var(--ctd-card); color:var(--ctd-text); border-radius:9px; }

/* v3.3.1 – moderne, mit Tastatur bedienbare Tool-Auswahl */
#cotec-teacher-dashboard .ctd-tool-picker.is-enhanced {
    overflow: visible !important;
    isolation: isolate;
    z-index: 45;
    border-radius: 13px !important;
    transition: background .18s ease, border-color .18s ease, box-shadow .18s ease;
}
#cotec-teacher-dashboard .ctd-tool-picker.is-enhanced:hover,
#cotec-teacher-dashboard .ctd-tool-picker.is-enhanced.is-open {
    background: rgba(255,255,255,.09) !important;
    border-color: rgba(255,255,255,.38) !important;
    box-shadow: inset 3px 0 0 var(--ctd-red), 0 7px 22px rgba(0,0,0,.18) !important;
}
#cotec-teacher-dashboard .ctd-tool-picker.is-enhanced::after { display: none !important; }
#cotec-teacher-dashboard .ctd-tool-picker.is-enhanced > .ctd-tool-select { display: none !important; }
#cotec-teacher-dashboard .ctd-tool-picker-trigger {
    display: none;
}
#cotec-teacher-dashboard .ctd-tool-picker.is-enhanced .ctd-tool-picker-trigger {
    appearance: none !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 8px !important;
    width: 100% !important;
    min-height: 58px !important;
    margin: 0 !important;
    padding: 0 13px 0 53px !important;
    border: 0 !important;
    border-radius: 13px !important;
    box-shadow: none !important;
    background: transparent !important;
    color: #fff !important;
    text-align: left !important;
    font-family: inherit !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    cursor: pointer;
}
#cotec-teacher-dashboard .ctd-tool-picker-trigger > span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#cotec-teacher-dashboard .ctd-tool-picker-chevron { width: 17px; height: 17px; flex: 0 0 17px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .18s ease; }
#cotec-teacher-dashboard .ctd-tool-picker.is-open .ctd-tool-picker-chevron { transform: rotate(180deg); }
#cotec-teacher-dashboard .ctd-tool-picker-trigger:focus-visible { outline: 2px solid #fff !important; outline-offset: 3px; }
#cotec-teacher-dashboard .ctd-tool-picker-menu[hidden] { display: none !important; }
#cotec-teacher-dashboard .ctd-tool-picker-menu {
    position: absolute !important;
    display: grid !important;
    gap: 3px;
    top: calc(100% + 9px);
    left: 0;
    width: 100%;
    max-height: min(390px, 62vh);
    overflow-y: auto;
    padding: 9px !important;
    border: 1px solid #dde4ee !important;
    border-radius: 15px !important;
    background: #fff !important;
    color: #172337 !important;
    box-shadow: 0 22px 42px rgba(4,12,29,.32) !important;
    z-index: 100;
    scrollbar-width: thin;
}
#cotec-teacher-dashboard .ctd-tool-picker-group {
    margin: 9px 4px 3px !important;
    padding: 0 8px !important;
    font-size: 10px !important;
    font-weight: 800 !important;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: #7a8699 !important;
}
#cotec-teacher-dashboard .ctd-tool-picker-group:first-child { margin-top: 3px !important; }
#cotec-teacher-dashboard .ctd-tool-picker-item {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: 10px !important;
    width: 100% !important;
    min-height: 43px !important;
    margin: 0 !important;
    padding: 6px 9px !important;
    border: 0 !important;
    border-radius: 9px !important;
    background: transparent !important;
    box-shadow: none !important;
    color: #172337 !important;
    text-align: left !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    cursor: pointer;
}
#cotec-teacher-dashboard .ctd-tool-picker-item:hover,
#cotec-teacher-dashboard .ctd-tool-picker-item:focus-visible { background: #f0f3f9 !important; outline: none; }
#cotec-teacher-dashboard .ctd-tool-picker-item[aria-current="true"] { background: #fff0f0 !important; color: #a91113 !important; }
#cotec-teacher-dashboard .ctd-tool-picker-item-icon { flex: 0 0 28px; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 8px; background: #f3f5f9; font-size: 15px; }

/* Weitere Funktionen: dauerhaft sichtbar und konsistent mit den Sidebar-Signalen */
#cotec-teacher-dashboard .ctd-sidebar-more-content {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 3px !important;
    margin: 3px 0 0 !important;
    padding: 0 !important;
}
#cotec-teacher-dashboard .ctd-sidebar-more-content > .ctd-sidebar-action {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 12px !important;
    min-height: 44px !important;
    padding: 9px 11px !important;
    border: 0 !important;
    border-radius: 10px !important;
    background: transparent !important;
    box-shadow: none !important;
}
#cotec-teacher-dashboard .ctd-sidebar-more-content > .ctd-sidebar-action > span {
    flex: 0 0 25px !important;
    display: grid !important;
    place-items: center !important;
    width: 25px !important;
    height: 25px !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    line-height: 1 !important;
}
#cotec-teacher-dashboard .ctd-sidebar-more-content > .ctd-sidebar-action > strong {
    flex: 1 1 auto !important;
    min-width: 0 !important;
    margin: 0 !important;
    line-height: 1.35 !important;
    text-align: left !important;
}

/* v3.3.2: kompakte Navigation und ausreichend breite Tool-Ansichten auf Tablet/Mobil. */
#cotec-teacher-dashboard .ctd-mobile-nav-toggle { display:none !important; }

/* Auch wenn der Einbettungsbereich schmaler als das Browserfenster ist, darf die
   zweite Tool-Spalte nicht den Inhalt der ersten Spalte zerdruecken. */
#cotec-teacher-dashboard .ctd-content { container-type: inline-size; container-name: ctd-tool-content; }
@container ctd-tool-content (max-width: 900px) {
    #cotec-teacher-dashboard .ctd-focus-grid {
        display:grid !important;
        grid-template-columns:minmax(0,1fr) !important;
        min-height:0 !important;
    }
    #cotec-teacher-dashboard .ctd-focus-preview.ctd-help-panel {
        border-left:0 !important;
        border-top:1px solid var(--ctd-border) !important;
    }
}

@media (max-width: 1240px) {
    #cotec-teacher-dashboard .ctd-shell {
        display:grid !important;
        grid-template-columns:minmax(0,1fr) !important;
        min-height:0 !important;
    }
    #cotec-teacher-dashboard .ctd-sidebar {
        display:grid !important;
        grid-template-columns:minmax(120px,auto) minmax(128px,auto) minmax(210px,1fr) auto !important;
        align-items:center !important;
        column-gap:12px !important;
        row-gap:10px !important;
        padding:14px 18px !important;
        min-width:0 !important;
    }
    #cotec-teacher-dashboard .ctd-sidebar-brand {
        grid-column:1 !important; grid-row:1 !important;
        justify-content:flex-start !important; margin:0 !important;
    }
    #cotec-teacher-dashboard .ctd-logo-img {width:132px !important;max-height:48px !important;}
    #cotec-teacher-dashboard #ctd-sidebar-home {
        grid-column:2 !important;grid-row:1 !important;
        min-width:0 !important;min-height:48px !important;
        padding:10px !important;gap:8px !important;
    }
    #cotec-teacher-dashboard .ctd-sidebar-section {
        grid-column:3 !important;grid-row:1 !important;
        min-width:0 !important;margin:0 !important;
    }
    #cotec-teacher-dashboard .ctd-sidebar-section .ctd-sidebar-label {display:none !important;}
    #cotec-teacher-dashboard .ctd-tool-picker {min-height:48px !important;overflow:visible !important;}
    #cotec-teacher-dashboard .ctd-tool-picker-trigger {min-height:46px !important;}
    #cotec-teacher-dashboard .ctd-mobile-nav-toggle {
        display:inline-flex !important;
        grid-column:4 !important;grid-row:1 !important;
        align-items:center !important;justify-content:center !important;
        gap:8px !important;min-height:44px !important;
        padding:8px 12px !important;border:1px solid rgba(255,255,255,.2) !important;
        border-radius:12px !important;background:rgba(255,255,255,.07) !important;
        box-shadow:none !important;color:#fff !important;
        font-family:inherit !important;font-size:13px !important;font-weight:600 !important;line-height:1.2 !important;cursor:pointer;
    }
    #cotec-teacher-dashboard .ctd-mobile-nav-toggle svg {width:19px;height:19px;flex:none;}
    #cotec-teacher-dashboard .ctd-mobile-nav-toggle:focus-visible {outline:2px solid #fff !important;outline-offset:3px;}
    #cotec-teacher-dashboard .ctd-mobile-nav-toggle[aria-expanded="true"] {background:rgba(255,255,255,.16) !important;}
    #cotec-teacher-dashboard .ctd-sidebar-signals,
    #cotec-teacher-dashboard .ctd-sidebar-more {display:none !important;min-width:0 !important;}
    #cotec-teacher-dashboard.ctd-mobile-nav-open .ctd-sidebar-signals {
        display:block !important;grid-column:1/3 !important;grid-row:2 !important;
        margin:0 !important;padding:12px 8px 0 !important;
    }
    #cotec-teacher-dashboard.ctd-mobile-nav-open .ctd-sidebar-more {
        display:block !important;grid-column:3/5 !important;grid-row:2 !important;
        margin:0 !important;padding:12px 8px 0 !important;
    }
    #cotec-teacher-dashboard .ctd-sidebar-local-note {display:none !important;}
    #cotec-teacher-dashboard .ctd-main {padding:28px 24px 44px !important;}
    #cotec-teacher-dashboard.ctd-has-active-tool .ctd-main {padding-top:72px !important;}
    #cotec-teacher-dashboard .ctd-focus-grid {
        display:grid !important;grid-template-columns:minmax(0,1fr) !important;
        min-height:0 !important;
    }
    #cotec-teacher-dashboard .ctd-focus-config {min-width:0 !important;border-right:0 !important;}
    #cotec-teacher-dashboard .ctd-focus-preview.ctd-help-panel {
        min-width:0 !important;border-left:0 !important;border-top:1px solid var(--ctd-border) !important;
    }
    #cotec-teacher-dashboard:fullscreen .ctd-shell,
    #cotec-teacher-dashboard:-webkit-full-screen .ctd-shell {
        grid-template-columns:minmax(0,1fr) !important;
        height:auto !important;min-height:100dvh !important;max-height:none !important;overflow:visible !important;
    }
    #cotec-teacher-dashboard:fullscreen .ctd-sidebar,
    #cotec-teacher-dashboard:-webkit-full-screen .ctd-sidebar {height:auto !important;max-height:none !important;overflow:visible !important;}
    #cotec-teacher-dashboard:fullscreen .ctd-content,
    #cotec-teacher-dashboard:-webkit-full-screen .ctd-content {height:auto !important;max-height:none !important;overflow:visible !important;}
    #cotec-teacher-dashboard:fullscreen .ctd-main,
    #cotec-teacher-dashboard:-webkit-full-screen .ctd-main {overflow:visible !important;}
    #cotec-teacher-dashboard:fullscreen .ctd-focus-grid,
    #cotec-teacher-dashboard:-webkit-full-screen .ctd-focus-grid {grid-template-columns:minmax(0,1fr) !important;min-height:0 !important;}
}

@media (max-width: 760px) {
    #cotec-teacher-dashboard .ctd-shell {display:block !important;}
    #cotec-teacher-dashboard .ctd-sidebar {
        display:grid !important;grid-template-columns:minmax(0,1fr) auto !important;
        gap:10px !important;padding:12px !important;
    }
    #cotec-teacher-dashboard .ctd-sidebar-brand {grid-column:1 !important;grid-row:1 !important;}
    #cotec-teacher-dashboard #ctd-mobile-nav-toggle {
        grid-column:2 !important;grid-row:1 !important;
        padding:8px 10px !important;
    }
    #cotec-teacher-dashboard #ctd-sidebar-home {
        grid-column:1 !important;grid-row:2 !important;min-height:47px !important;
    }
    #cotec-teacher-dashboard .ctd-sidebar-section {grid-column:2 !important;grid-row:2 !important;min-width:172px !important;}
    #cotec-teacher-dashboard.ctd-mobile-nav-open .ctd-sidebar-signals {
        grid-column:1/-1 !important;grid-row:3 !important;
    }
    #cotec-teacher-dashboard.ctd-mobile-nav-open .ctd-sidebar-more {
        grid-column:1/-1 !important;grid-row:4 !important;
    }
    #cotec-teacher-dashboard .ctd-main {padding:15px 12px 30px !important;}
    #cotec-teacher-dashboard.ctd-has-active-tool .ctd-main {padding-top:62px !important;}
    #cotec-teacher-dashboard .ctd-focus-grid {grid-template-columns:minmax(0,1fr) !important;}
    #cotec-teacher-dashboard .ctd-focus-config,
    #cotec-teacher-dashboard .ctd-focus-preview.ctd-help-panel {padding:20px 16px !important;}
    #cotec-teacher-dashboard .ctd-focus-head {padding-right:34px !important;}
    #cotec-teacher-dashboard .ctd-focus-head h3 {font-size:clamp(22px,6vw,30px) !important;overflow-wrap:anywhere;}
    #cotec-teacher-dashboard .ctd-home-tool-card {min-height:154px !important;}
}
@media (max-width: 400px) {
    #cotec-teacher-dashboard .ctd-sidebar-section {grid-column:1/-1 !important;grid-row:3 !important;min-width:0 !important;}
    #cotec-teacher-dashboard.ctd-mobile-nav-open .ctd-sidebar-signals {grid-row:4 !important;}
    #cotec-teacher-dashboard.ctd-mobile-nav-open .ctd-sidebar-more {grid-row:5 !important;}
}


/* v3.3.3 – Mobile/Tablet: Tool-Auswahl auch bei eingeklapptem Zusatzmenü sichtbar.
   Die Liste nimmt beim Öffnen Platz im Layout ein, statt über anderen Bereichen
   zu schweben oder von einem Vorfahren abgeschnitten zu werden. */
@media (max-width: 1240px) {
    #cotec-teacher-dashboard .ctd-sidebar-section {
        align-self: start !important;
        position: relative !important;
        z-index: 50 !important;
    }
    #cotec-teacher-dashboard .ctd-tool-picker.is-enhanced.is-open {
        display: flex !important;
        flex-direction: column !important;
        align-items: stretch !important;
        overflow: visible !important;
    }
    #cotec-teacher-dashboard .ctd-tool-picker.is-open .ctd-tool-picker-icon {
        top: 24px !important;
    }
    #cotec-teacher-dashboard .ctd-tool-picker.is-open .ctd-tool-picker-menu:not([hidden]) {
        position: relative !important;
        inset: auto !important;
        flex: 0 1 auto !important;
        width: 100% !important;
        max-height: min(300px, 45dvh) !important;
        margin-top: 6px !important;
        overflow-y: auto !important;
        z-index: 1 !important;
        box-sizing: border-box !important;
    }
}


/* v3.4.0 – freiwillige lokale Sicherung und Wiederherstellung */
#cotec-teacher-dashboard .ctd-backup-modal-box { max-width: 760px; }
#cotec-teacher-dashboard .ctd-backup-intro { margin: 0 0 18px; padding: 16px 18px; border: 1px solid var(--ctd-border); border-radius: 16px; background: var(--ctd-bg); }
#cotec-teacher-dashboard .ctd-backup-intro strong { display: block; margin-bottom: 6px; font-size: 16px; }
#cotec-teacher-dashboard .ctd-backup-intro p { margin: 0; color: var(--ctd-muted); line-height: 1.55; }
#cotec-teacher-dashboard .ctd-backup-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
#cotec-teacher-dashboard .ctd-backup-option { display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: start; padding: 18px; border: 1px solid var(--ctd-border); border-radius: 18px; background: var(--ctd-card); }
#cotec-teacher-dashboard .ctd-backup-option-icon { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 13px; background: var(--ctd-soft-red); color: var(--ctd-red); font-size: 24px; font-weight: 800; line-height: 1; }
#cotec-teacher-dashboard .ctd-backup-option h3 { margin: 1px 0 7px; font-size: 17px; line-height: 1.25; }
#cotec-teacher-dashboard .ctd-backup-option p { margin: 0 0 14px; color: var(--ctd-muted); line-height: 1.5; }
#cotec-teacher-dashboard .ctd-backup-option .ctd-primary-btn,
#cotec-teacher-dashboard .ctd-backup-option .ctd-secondary-btn { width: 100%; }
#cotec-teacher-dashboard .ctd-backup-status { min-height: 22px; margin: 14px 0 0; font-size: 14px; font-weight: 700; }
#cotec-teacher-dashboard .ctd-backup-status.is-success { color: #16803c; }
#cotec-teacher-dashboard .ctd-backup-status.is-error { color: var(--ctd-red); }
@media (max-width: 700px) {
  #cotec-teacher-dashboard .ctd-backup-options { grid-template-columns: 1fr; }
}