* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: #f9fafb;
            line-height: 1.5;
        }

        .loading-screen {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: #f9fafb;
        }

        .loading-content {
            text-align: center;
        }

        .spinner {
            width: 64px;
            height: 64px;
            border: 4px solid #d1d5db;
            border-top: 4px solid #111827;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin: 0 auto 32px;
        }

        @keyframes spin {
            0% {
                transform: rotate(0deg);
            }

            100% {
                transform: rotate(360deg);
            }
        }

        .loading-title {
            font-size: 1.25rem;
            font-weight: 600;
            color: #111827;
            margin-bottom: 8px;
        }

        .loading-subtitle {
            color: #6b7280;
        }

        .start-screen {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: #f9fafb;
        }

        .start-content {
            text-align: center;
        }

        .start-title {
            font-size: 1.5rem;
            font-weight: 600;
            color: #111827;
            margin-bottom: 24px;
        }

        .start-heading {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
        }

        .brand-icon {
            width: 40px;
            height: 40px;
            object-fit: contain;
            display: inline-flex;
        }

        .brand-icon--start {
            width: 128px;
            height: 128px;
        }

        .brand-icon--tiny {
            width: 28px;
            height: 28px;
        }

        .brand-icon--part {
            width: 32px;
            height: 32px;
        }

        .start-subtitle {
            color: #6b7280;
            margin-bottom: 24px;
        }

.start-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 160px;
    height: 56px;
    padding: 0 28px;
    background: linear-gradient(135deg, #2f79c8, #1f5ea6);
    color: white;
    border: 1px solid #1f5894;
    border-radius: 16px;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.01em;
    cursor: pointer;
    box-shadow: 0 16px 28px rgba(33, 93, 153, 0.2);
    transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.start-button:hover {
    filter: brightness(1.04);
    transform: translateY(-1px);
    box-shadow: 0 20px 30px rgba(33, 93, 153, 0.26);
}

        .test-interface {
            min-height: 100vh;
            background-color: white;
            display: flex;
            flex-direction: column;
            padding-bottom: 80px;
        }

        .header {
            position: sticky;
            top: 0;
            z-index: 200;
            background-color: white;
            border-bottom: 1px solid #e5e7eb;
            padding: 12px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .header-left {
            display: flex;
            align-items: center;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: inherit;
        }

        .ielts-logo {
            color: #d4002a;
            font-weight: 900;
            font-size: 1.9rem;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            font-family: 'Impact', 'Arial Black', sans-serif;
            display: inline-flex;
            align-items: center;
        }

        .ielts-logo::after {
            content: '®';
            font-size: 0.65em;
            margin-left: 0.35rem;
            vertical-align: super;
        }

        .test-id {
            font-size: 0.875rem;
            color: #6b7280;
        }

        .support-link {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #2563eb;
            text-decoration: none;
            font-size: 1rem;
            font-weight: 500;
            transition: color 0.2s;
        }

        .support-link:hover {
            color: #0844eb;
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .header-menu-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 40px;
            padding: 0 16px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.28);
            background: linear-gradient(135deg, #7f1d1d 0%, #b91c1c 48%, #ef4444 100%);
            box-shadow: 0 14px 28px rgba(185, 28, 28, 0.22);
            color: #fff7f7;
            text-decoration: none;
            font-size: 0.92rem;
            font-weight: 700;
            letter-spacing: 0.01em;
            white-space: nowrap;
            transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
        }

        .header-menu-link:hover {
            transform: translateY(-1px);
            box-shadow: 0 18px 34px rgba(185, 28, 28, 0.28);
            filter: saturate(1.08) brightness(1.03);
        }

        .icon {
            width: 20px;
            height: 20px;
            color: #6b7280;
        }

        .main-content {
            flex: 1;
            padding: 16px 24px;
            max-width: none;
            margin: 0;
            width: 100%;
            padding-left: 32px;
        }

        .part-header {
            background-color: #f3f4f6;
            border-radius: 8px;
            padding: 16px;
            margin-bottom: 24px;
        }

        .part-title-wrapper {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .part-title {
            font-size: 1.25rem;
            font-weight: 600;
            color: #111827;
            margin-bottom: 8px;
        }

        .part-instructions {
            color: #374151;
        }

        .progress-wrapper {
            margin-top: 12px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .progress-track {
            flex: 1;
            height: 6px;
            background-color: #e5e7eb;
            border-radius: 999px;
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            width: 0;
            background-color: #2563eb;
            border-radius: inherit;
            transition: width 0.3s ease;
        }

        .progress-label {
            font-size: 0.85rem;
            color: #1f2937;
            min-width: 96px;
            text-align: right;
        }

        .questions-section {
            margin-bottom: 24px;
        }

        .questions-title {
            font-weight: 600;
            color: #111827;
            margin-bottom: 8px;
        }

        .questions-description {
            color: #374151;
            margin-bottom: 16px;
        }

        .scenario-title {
            font-weight: 500;
            color: #111827;
            margin-bottom: 24px;
        }

        .question-group {
            margin-bottom: 24px;
        }

        .notes-board {
            border: 1px solid #cbd5e0;
            border-radius: 16px;
            padding: 20px;
            background: #fff;
            box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
            margin-bottom: 24px;
        }

        .notes-heading {
            font-size: 1.45rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #0f172a;
            text-transform: uppercase;
            letter-spacing: 0.08em;
        }

        .question-item {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .question-input {
            width: 160px;
            height: 40px;
            text-align: center;
            border: 1px solid #cbd5e0;
            border-radius: 8px;
            font-size: 1rem;
            outline: none;
            padding: 6px 10px;
            background: #fff;
            color: #0f172a;
        }

        .question-input.inline {
            width: 150px;
            font-size: 1rem;
        }

        .question-input:focus {
            border-color: #94a3b8;
            box-shadow: 0 0 0 2px rgba(148, 163, 184, 0.18);
        }

        .question-input.correct {
            border-color: #10b981;
            background-color: #d1fae5;
        }

        .question-input.incorrect {
            border-color: #ef4444;
            background-color: #fee2e2;
        }

        .question-input.partial {
            border-color: #f59e0b;
            background-color: #fef3c7;
        }

        .exam-sheet {
            border: 2px solid #1f2937;
            border-radius: 0;
            background: #fff;
            box-shadow: none;
            overflow: hidden;
        }

        .sheet-block {
            padding: 20px;
            border-top: 2px solid #1f2937;
        }

        .sheet-block:first-child {
            border-top: 0;
        }

        .sheet-title {
            text-align: center;
            font-size: 2rem;
            line-height: 1.35;
            font-weight: 700;
            padding: 26px 16px;
        }

        .sheet-row {
            display: flex;
            gap: 24px;
            align-items: baseline;
            flex-wrap: wrap;
        }

        .sheet-grid {
            margin-left: 36px;
            display: grid;
            grid-template-columns: 180px minmax(260px, 1fr);
            gap: 8px 10px;
            max-width: 760px;
        }

        .sheet-label {
            font-weight: 500;
        }

        .sheet-strong {
            font-weight: 700;
        }

        .sheet-line {
            display: inline-flex;
            align-items: baseline;
            gap: 6px;
            flex-wrap: wrap;
        }

        .sheet-num {
            font-weight: 700;
            min-width: 18px;
        }

        .sheet-inline-input {
            width: 150px;
            border: 0;
            border-bottom: 2px dotted #111827;
            border-radius: 0;
            text-align: left;
            padding: 0 4px;
            height: 34px;
            background: transparent;
            color: #0f172a;
        }

        .sheet-inline-input:focus {
            outline: none;
            border-bottom-color: #2563eb;
            box-shadow: none;
        }

        .sheet-inline-input.narrow {
            width: 120px;
        }

        .sheet-inline-input.wide {
            width: 220px;
        }

        .section4-header-row {
            display: flex;
            justify-content: space-between;
            align-items: baseline;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 20px;
            max-width: 560px;
        }

        .section4-intro {
            font-size: 1.05em;
            margin-bottom: 12px;
        }

        .section4-box {
            margin-top: 14px;
            padding: 18px;
        }

        .section4-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .star-line {
            display: grid;
            grid-template-columns: 22px 1fr;
            gap: 10px;
            margin-bottom: 8px;
            align-items: start;
        }
        .star-line > :only-child {
            grid-column: 1 / -1;
            min-width: 0;
        }

        .star {
            font-weight: 700;
            line-height: 1.3;
        }

        @media (max-width: 900px) {
            .sheet-grid {
                margin-left: 0;
                grid-template-columns: 1fr;
            }

            .section4-header-row {
                max-width: none;
                flex-direction: column;
                gap: 2px;
            }
        }

        .form-grid {
            display: grid;
            gap: 16px;
            margin-bottom: 20px;
        }

        .form-field {
            background-color: #f3f4f6;
            border-radius: 12px;
            padding: 14px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .form-field strong {
            font-size: 0.95rem;
            color: #111827;
        }

        .notes-grid {
            margin-top: 16px;
            display: grid;
            gap: 12px;
        }

        .note-row {
            background-color: #fff;
            border: 1px solid #e5e7eb;
            padding: 12px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .answer-boxes {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        .answer-boxes input {
            width: 80px;
            height: 40px;
            border: 2px solid #3b82f6;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 600;
            text-transform: uppercase;
            text-align: center;
        }

        .options-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 10px;
            margin-top: 8px;
        }

        .option-row {
            background-color: #eef2ff;
            border-radius: 8px;
            padding: 10px 12px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 0.9rem;
        }

        .option-letter {
            font-weight: 700;
            color: #4338ca;
        }

        .plan-description {
            margin: 12px 0;
            color: #475569;
            font-size: 0.95rem;
        }

        .place-matching {
            display: grid;
            gap: 12px;
        }

        .place-card {
            background-color: #f3f4f6;
            border-radius: 10px;
            padding: 12px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .place-card .place-title {
            font-weight: 600;
            color: #111827;
        }

        .place-card .drop-zone-small {
            min-width: 140px;
            min-height: 46px;
            border-width: 2px;
            border-style: dashed;
            border-color: #cbd5e0;
            border-radius: 8px;
            background: #fff;
            cursor: pointer;
            font-size: 0.95rem;
            text-align: center;
            padding: 8px;
        }

        .drag-options--letters {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 12px;
        }

        .achievement-layout {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 12px;
        }

        .multi-answer-block {
            display: flex;
            flex-direction: column;
            gap: 18px;
            margin-bottom: 12px;
        }

        .achievement-card {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: #f8fafc;
            border-radius: 10px;
            padding: 10px 12px;
            border: 1px solid #e5e7eb;
        }

        .achievement-card .drop-zone {
            min-width: 140px;
            min-height: 48px;
        }

        .volcano-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 12px;
        }

        .volcano-item {
            background-color: #fff;
            border: 1px solid #e5e7eb;
            border-radius: 10px;
            padding: 12px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .multiple-choice {
            margin-left: 20px;
        }

        .multi-question-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .multi-feedback {
            min-height: 1.4em;
            margin-top: 6px;
        }

        .row-heading {
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 8px;
        }

        .multi-question-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .multiple-choice-block {
            margin-bottom: 20px;
        }

        .multiple-choice-block .selectable-text {
            display: block;
            font-weight: 500;
            margin-bottom: 8px;
        }

        .choice-item {
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .choice-input {
            margin-right: 8px;
        }

        .choice-item.correct {
            background-color: #d1fae5;
            padding: 4px;
            border-radius: 4px;
        }

        .choice-item.incorrect {
            background-color: #fee2e2;
            padding: 4px;
            border-radius: 4px;
        }

        .matching-section {
            background-color: #f9fafb;
            border: 1px solid #e5e7eb;
            border-radius: 8px;
            padding: 16px;
            margin-bottom: 20px;
        }

        .drop-zone {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 220px;
            min-height: 58px;
            padding: 12px 16px;
            margin-top: 8px;
            border: 2px dashed #cbd5e0;
            border-radius: 10px;
            background: #f8fafc;
            color: #1e293b;
            font-weight: 600;
            cursor: pointer;
            text-align: center;
            white-space: normal;
            overflow: visible;
            text-overflow: clip;
            line-height: 1.35;
            transition: border-color 0.2s, background 0.2s;
        }

        .drop-zone .placeholder {
            font-size: 0.95rem;
            color: #475569;
        }

        .drop-zone .drop-value {
            font-weight: 700;
            color: #0f172a;
            white-space: normal;
            overflow: visible;
            text-overflow: clip;
            line-height: 1.35;
        }

        .drop-zone.filled {
            border-style: solid;
            border-color: #2563eb;
            background: #e0f2fe;
            color: #0f172a;
            padding: 14px 12px;
        }

        .drop-zone.over {
            border-color: #2563eb;
            background: #dbeafe;
        }

        .matching-section.statements-grid {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 12px;
        }

        .statement-item {
            display: flex;
            gap: 12px;
            align-items: center;
            flex-wrap: wrap;
        }

        .statement-number {
            font-weight: 600;
            color: #1f2937;
            min-width: 24px;
        }

        .matching-title {
            font-weight: 600;
            margin-bottom: 12px;
        }

        .matching-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 8px;
        }

        .matching-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
            gap: 20px;
            margin-bottom: 20px;
            align-items: stretch;
        }

        .flow-chart {
            align-items: flex-start;
        }

        .flow-chart .flow-step {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }

        .flow-chart .flow-arrow {
            font-size: 1.25rem;
            text-align: center;
            color: #6b7280;
            margin-bottom: 12px;
        }

        .drop-column,
        .options-column {
            min-width: 0;
            min-height: 520px;
        }

        .drop-column {
            background-color: #f8fafc;
            padding: 24px;
            border-radius: 12px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .options-column {
            background-color: #fff;
            padding: 24px;
            border-radius: 12px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .drop-item {
            display: flex;
            justify-content: flex-start;
            align-items: center;
            gap: 10px;
        }

        .drop-item .selectable-text {
            flex: 1;
            white-space: normal;
            line-height: 1.28;
            text-align: left;
            font-size: clamp(0.86rem, 0.8rem + 0.2vw, 0.98rem);
        }

        .drop-item .drop-zone {
            flex: 0 0 220px;
            margin-left: auto;
            margin-top: 0;
            justify-content: flex-start;
            text-align: left;
        }

        .varroa-flow-layout {
            grid-template-columns: minmax(560px, 1.2fr) minmax(420px, 1fr);
            align-items: stretch;
        }

        .varroa-flow-layout .drop-column {
            background-color: #f8fafc;
            display: grid;
            grid-template-rows: auto repeat(7, minmax(70px, 1fr));
            gap: 0;
            min-height: 620px;
        }

        .varroa-flow-layout .options-column {
            display: grid;
            grid-template-rows: auto 1fr;
            min-height: 620px;
        }

        .varroa-flow-layout .options-column .drag-options {
            display: grid;
            grid-template-rows: repeat(7, minmax(66px, 1fr));
            gap: 10px;
            align-content: stretch;
        }

        .varroa-flow-layout .drag-item {
            min-height: 66px;
            display: flex;
            align-items: center;
            font-size: 1.02rem;
            line-height: 1.25;
        }

        .varroa-flow-layout .drop-item {
            display: grid;
            grid-template-columns: auto 240px auto;
            align-items: center;
            gap: 10px;
            border-bottom: 1px solid #e5e7eb;
            padding: 10px 0;
            min-height: 70px;
        }

        .varroa-flow-layout .drop-item .selectable-text {
            font-size: 1.02rem;
            line-height: 1.28;
            white-space: nowrap;
        }

        .varroa-flow-layout .drop-item .drop-zone {
            flex: none;
            width: 240px;
            margin-left: 0;
            min-height: 58px;
            border-style: dashed;
        }

        .varroa-flow-layout .drop-item.full-line {
            grid-template-columns: 1fr;
        }

        .options-column .drag-options {
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        body.contrast-white-black .drop-column,
        body.contrast-white-black .options-column {
            background-color: #0f172a;
            border-color: #1e293b;
            box-shadow: none;
        }

        body.contrast-white-black .drop-column .drop-zone {
            background: #020617;
            border-color: #1e293b;
            color: #f8fafc;
        }

        body.contrast-white-black .drop-zone.filled {
            background: #0f172a;
            border-color: #4c6ef5;
            color: #f8fafc;
        }

        body.contrast-white-black .drop-zone .placeholder {
            color: #94a3b8;
        }

        body.contrast-white-black .drop-zone .drop-value {
            color: #f8fafc;
        }

        body.contrast-white-black .drag-item {
            background: #1e293b;
            border-color: #1e293b;
            box-shadow: none;
            color: #f8fafc;
        }

        body.contrast-yellow-black .drop-column,
        body.contrast-yellow-black .options-column {
            background-color: #020202;
        }

        body.contrast-yellow-black .drop-zone .placeholder {
            color: #c6a651;
        }

        body.contrast-yellow-black .drop-zone .drop-value {
            color: #fde68a;
        }

        body.contrast-yellow-black .drop-column .drop-zone,
        body.contrast-yellow-black .drop-zone.filled {
            background: #0b0b0b;
            border-color: #4b3f1b;
            color: #fde68a;
        }

        body.contrast-yellow-black .drag-item {
            background: #0b0b0b;
            border-color: #4b3f1b;
            color: #fde68a;
            box-shadow: none;
        }

        .city-item {
            margin-bottom: 0;
        }

        .submit-section {
            text-align: center;
            padding: 24px;
            border-top: 1px solid #e5e7eb;
            background-color: #f9fafb;
            margin-top: 40px;
            border-radius: 8px;
        }

        .submit-button {
            padding: 12px 48px;
            background-color: #059669;
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.2s;
        }

        .submit-button:hover {
            background-color: #047857;
        }

        .submit-button:disabled {
            background-color: #9ca3af;
            cursor: not-allowed;
        }

        .results-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
        }

        .results-content {
            background-color: white;
            padding: 32px;
            border-radius: 12px;
            max-width: 600px;
            width: 90%;
            max-height: 80vh;
            overflow-y: auto;
        }

        .results-title {
            font-size: 1.5rem;
            font-weight: 600;
            color: #111827;
            margin-bottom: 24px;
            text-align: center;
        }

        .score-summary {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 16px;
            margin-bottom: 24px;
        }

        .score-item {
            text-align: center;
            padding: 16px;
            border-radius: 8px;
            background-color: #f3f4f6;
        }

        .score-number {
            font-size: 1.5rem;
            font-weight: bold;
            color: #059669;
        }

        .score-label {
            font-size: 0.875rem;
            color: #6b7280;
            margin-top: 4px;
        }

        .close-button {
            width: 100%;
            padding: 12px;
            background-color: #6b7280;
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            cursor: pointer;
            margin-top: 16px;
        }

        .close-button:hover {
            background-color: #4b5563;
        }

        .back-menu-button {
            display: block;
            width: 100%;
            padding: 12px;
            background-color: #ffffff;
            color: #374151;
            border: 1px solid #d1d5db;
            border-radius: 8px;
            font-size: 1rem;
            cursor: pointer;
            margin-top: 10px;
            text-align: center;
            text-decoration: none;
        }

        .back-menu-button:hover {
            background-color: #f3f4f6;
        }

        .bottom-navigation {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: white;
            border-top: 1px solid #e5e7eb;
            padding: 12px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            z-index: 100;
            box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
        }

        .parts-navigation {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        .part-nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .part-button {
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 0.875rem;
            font-weight: 500;
            border: none;
            cursor: pointer;
            transition: all 0.2s;
        }

        .part-button.active {
            background-color: #2563eb;
            color: white;
        }

        .part-button:not(.active) {
            color: #6b7280;
            background-color: transparent;
        }

        .part-button:not(.active):hover {
            color: #111827;
        }

        .question-numbers {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .question-number {
            width: 24px;
            height: 24px;
            font-size: 0.75rem;
            border-radius: 4px;
            border: none;
            cursor: pointer;
            transition: all 0.2s;
            background-color: #e5e7eb;
            color: #6b7280;
        }

        .question-number:hover {
            background-color: #d1d5db;
        }

        .nav-arrow {
            background-color: #000;
            color: white;
            border: none;
            padding: 8px;
            border-radius: 4px;
            cursor: pointer;
            transition: background-color 0.2s;
        }

        .nav-arrow:hover:not(:disabled) {
            background-color: #374151;
        }

        .nav-arrow:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        .audio-controller-bar {
            position: sticky;
            top: 73px;
            z-index: 190;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 24px;
            border-bottom: 1px solid #dbe4f0;
            background: linear-gradient(180deg, rgba(248, 251, 255, 0.98) 0%, rgba(255, 255, 255, 0.98) 100%);
            backdrop-filter: blur(10px);
            box-shadow: 0 10px 26px rgba(15, 23, 42, 0.08);
        }
        .audio-controller-copy {
            flex: 0 0 auto;
            min-width: 140px;
        }
        .audio-controller-title {
            color: #0f172a;
            font-size: 0.95rem;
            font-weight: 800;
            line-height: 1.2;
        }
        .audio-controller-note {
            margin-top: 2px;
            color: #64748b;
            font-size: 0.82rem;
            line-height: 1.35;
        }
        .audio-controller-player {
            flex: 1 1 auto;
            width: 100%;
            min-width: 0;
        }
        .hidden {
            display: none !important;
        }

        .selectable-text {
            user-select: text;
            cursor: text;
        }

        /* Highlight functionality styles */
        .highlight {
            background-color: #ffff00;
            cursor: pointer;
        }

        #highlight-btn,
        #remove-highlight-btn {
            position: absolute;
            z-index: 9999;
            display: none;
            padding: 6px 12px;
            font-size: 14px;
            border: 1px solid #888;
            border-radius: 4px;
            cursor: pointer;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        }

        #highlight-btn {
            background: #fffbe7;
        }

        #remove-highlight-btn {
            background: #ffeaea;
            color: #b00;
            border-color: #b00;
        }

        .drag-options {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 8px;
        }

        .drag-options.vertical {
            flex-direction: column;
        }

        .drag-item {
            border: 1px solid #cbd5e0;
            border-radius: 6px;
            padding: 9px 12px;
            background: #fff;
            cursor: grab;
            transition: transform 0.1s ease, box-shadow 0.1s ease;
            box-shadow: 0 2px 4px rgba(15, 23, 42, 0.08);
            min-width: 220px;
            max-width: 100%;
            display: flex;
            justify-content: flex-start;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: clamp(0.84rem, 0.79rem + 0.2vw, 0.96rem);
            line-height: 1.22;
            word-break: break-word;
            white-space: normal;
        }

        @media (max-width: 980px) {
            .matching-layout {
                grid-template-columns: 1fr;
            }

            .drop-column,
            .options-column {
                min-height: auto;
            }

            .varroa-flow-layout .drop-item {
                grid-template-columns: 1fr;
            }

            .varroa-flow-layout .drop-column,
            .varroa-flow-layout .options-column {
                min-height: auto;
                grid-template-rows: auto;
            }

            .varroa-flow-layout .options-column .drag-options {
                grid-template-rows: none;
            }
        }

        .drag-item:active {
            cursor: grabbing;
            transform: translateY(1px);
            box-shadow: 0 1px 2px rgba(15, 23, 42, 0.2);
        }

        .drag-item.used {
            opacity: 0.45;
            cursor: not-allowed;
            background: #e5e7eb;
        }

        /* Options menu & fullscreen controls */
        .menu-button {
            width: 36px;
            height: 32px;
            border: 1px solid #cbd5e0;
            border-radius: 6px;
            background: #f7fafc;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }

        .menu-button:hover {
            background: #edf2f7;
        }

        .menu-button:active {
            transform: scale(0.97);
        }

        .menu-icon {
            width: 16px;
            height: 12px;
            display: grid;
            row-gap: 3px;
        }

        .menu-icon span {
            display: block;
            height: 2px;
            border-radius: 999px;
            background: #2d3748;
        }

        .icon-button {
            width: 38px;
            height: 32px;
            border: 1px solid #cbd5e0;
            border-radius: 6px;
            background: #f7fafc;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            color: #2d3748;
            font-size: 16px;
        }

        .icon-button:hover {
            background: #edf2f7;
        }

        .icon-button:active {
            transform: scale(0.97);
        }

        .options-modal {
            display: flex;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 1100;
            align-items: center;
            justify-content: center;
            padding: 12px;
        }

        .options-modal.hidden {
            display: none;
        }

        .options-modal .modal-content {
            width: min(520px, 100%);
            background: #ffffff;
            border-radius: 16px;
            padding: 28px;
            box-shadow: 0 22px 60px rgba(15, 23, 42, 0.35);
            text-align: left;
            position: relative;
        }

        .options-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 18px;
        }

        .options-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: #111827;
            flex: 1;
            text-align: center;
        }

        .close-btn {
            border: none;
            background: transparent;
            font-size: 1.4rem;
            line-height: 1;
            cursor: pointer;
            color: #1f2937;
        }

        .options-list {
            border: 1px solid #e5e7eb;
            border-radius: 12px;
            overflow: hidden;
        }

        .option-row {
            padding: 14px 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid #e5e7eb;
            background: #fff;
            cursor: pointer;
            gap: 6px;
        }

        .option-row:last-child {
            border-bottom: none;
        }

        .option-label {
            font-weight: 700;
            color: #111827;
            font-size: 1.02rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .option-sub {
            font-size: 0.95rem;
            font-weight: 600;
            color: #475569;
            margin-left: 6px;
        }

        .option-row i {
            color: #475569;
        }

        .submenu {
            margin-top: 14px;
        }

        .submenu button {
            width: 100%;
            text-align: left;
            padding: 14px 18px;
            border: none;
            background: #fff;
            border-bottom: 1px solid #e5e7eb;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1rem;
            font-weight: 600;
            color: #1f2937;
        }

        .submenu button:last-child {
            border-bottom: none;
        }

        .submenu button:hover {
            background: #f1f5f9;
        }

        .checkmark {
            width: 20px;
            text-align: center;
            font-size: 1.1rem;
            color: transparent;
        }

        .submenu button.selected .checkmark::before {
            content: '✓';
            font-size: 1.1rem;
            color: #059669;
            font-weight: 700;
        }

        .submenu button.selected {
            color: #047857;
            background: #ecfdf5;
        }

        body.contrast-white-black {
            background-color: #020617;
            color: #f8fafc;
        }

        body.contrast-white-black .test-interface,
        body.contrast-white-black .main-content,
        body.contrast-white-black .part-header,
        body.contrast-white-black .questions-section,
        body.contrast-white-black .matching-section,
        body.contrast-white-black .submit-section {
            background-color: #0f172a;
            border-color: #1f2937;
            color: #f8fafc;
        }

        body.contrast-white-black .header {
            background-color: #020617;
            border-bottom-color: #1f2937;
            color: #f8fafc;
        }

        body.contrast-white-black .support-link {
            color: #93c5fd;
        }

        body.contrast-white-black input,
        body.contrast-white-black .question-input,
        body.contrast-white-black select {
            background-color: #0f172a;
            color: #f8fafc;
            border-color: #1e293b;
        }

        body.contrast-yellow-black {
            background-color: #040404;
            color: #fcd34d;
        }

        body.contrast-yellow-black .test-interface,
        body.contrast-yellow-black .main-content,
        body.contrast-yellow-black .part-header,
        body.contrast-yellow-black .questions-section,
        body.contrast-yellow-black .matching-section,
        body.contrast-yellow-black .submit-section {
            background-color: #050505;
            border-color: #5f4b16;
            color: #fcd34d;
        }

        body.contrast-yellow-black .header {
            background-color: #040404;
            border-bottom-color: #5f4b16;
            color: #fcd34d;
        }

        body.contrast-yellow-black .support-link {
            color: #fde68a;
        }

        body.contrast-yellow-black input,
        body.contrast-yellow-black .question-input,
        body.contrast-yellow-black select {
            background-color: #050505;
            color: #fcd34d;
            border-color: #5f4b16;
        }

        body.contrast-white-black .notes-board {
            background: #0b1220;
            border-color: #1e293b;
            box-shadow: 0 12px 24px rgba(15, 23, 42, 0.45);
        }

        body.contrast-white-black .notes-heading {
            color: #f8fafc;
        }

        body.contrast-yellow-black .notes-board {
            background: #050505;
            border-color: #4b3f1b;
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.7);
        }

        body.contrast-yellow-black .notes-heading {
            color: #fde68a;
        }

        body.contrast-white-black .part-title,
        body.contrast-white-black .part-instructions,
        body.contrast-white-black .questions-title,
        body.contrast-white-black .questions-description,
        body.contrast-white-black .scenario-title,
        body.contrast-white-black .selectable-text,
        body.contrast-white-black .test-id {
            color: #e2e8f0 !important;
        }

        body.contrast-white-black .bottom-navigation,
        body.contrast-white-black .parts-navigation {
            background-color: #020617;
            border-top-color: #1e293b;
            color: #f8fafc;
        }

        body.contrast-white-black .part-button {
            background-color: #0f172a;
            color: #cbd5f5;
            border-color: #1e293b;
        }

        body.contrast-white-black .part-button.active {
            background-color: #2563eb;
            color: #fff;
            border-color: #1d4ed8;
        }

        body.contrast-white-black .question-number {
            background-color: #0f172a;
            color: #f8fafc;
            border-color: #1e293b;
        }

        body.contrast-white-black .question-number:hover {
            background-color: #1e293b;
            border-color: #4c6ef5;
        }

        body.contrast-yellow-black .part-title,
        body.contrast-yellow-black .part-instructions,
        body.contrast-yellow-black .questions-title,
        body.contrast-yellow-black .questions-description,
        body.contrast-yellow-black .scenario-title,
        body.contrast-yellow-black .selectable-text,
        body.contrast-yellow-black .test-id {
            color: #fef9c3 !important;
        }

        body.contrast-yellow-black .bottom-navigation,
        body.contrast-yellow-black .parts-navigation {
            background-color: #040404;
            border-top-color: #5f4b16;
        }

        body.contrast-yellow-black .part-button {
            background-color: #0b0b00;
            color: #fcd34d;
            border-color: #5f4b16;
        }

        body.contrast-yellow-black .part-button.active {
            background-color: #facc15;
            color: #0b0b00;
            border-color: #b45309;
        }

        body.contrast-yellow-black .question-number {
            background-color: #050505;
            color: #fcd34d;
            border-color: #4b3f1b;
        }

        body.contrast-yellow-black .question-number:hover {
            background-color: #1f1c0d;
            border-color: #b45309;
        }

        body.contrast-yellow-black .highlight {
            background-color: #38bdf8;
            color: #030712;
        }

        body.contrast-white-black .highlight {
            background-color: #facc15;
            color: #020617;
        }

        .options-modal .modal-content {
            background: #ffffff;
            color: #1f2937;
        }

        body.contrast-white-black .options-modal .modal-content {
            background: #0f172a;
            color: #f8fafc;
            border: 1px solid #1e293b;
            box-shadow: 0 22px 60px rgba(14, 165, 233, 0.25);
        }

        body.contrast-white-black .options-list,
        body.contrast-white-black .submenu button,
        body.contrast-white-black .option-row {
            background: #0f172a;
            color: #f8fafc;
            border-color: #1e293b;
        }

        body.contrast-white-black .option-row i {
            color: #cbd5f5;
        }

        body.contrast-white-black .submenu .checkmark::before {
            color: #22d3ee;
        }

        body.contrast-yellow-black .options-modal .modal-content {
            background: #050505;
            color: #fde68a;
            border: 1px solid #4b3f1b;
            box-shadow: 0 22px 60px rgba(234, 179, 8, 0.25);
        }

        body.contrast-yellow-black .options-list,
        body.contrast-yellow-black .submenu button,
        body.contrast-yellow-black .option-row {
            background: #050505;
            color: #fde68a;
            border-color: #4b3f1b;
        }

        body.contrast-yellow-black .option-row i {
            color: #fde68a;
        }

        body.contrast-yellow-black .submenu .checkmark::before {
            color: #facc15;
        }

        body.contrast-white-black .matching-layout,
        body.contrast-white-black .features-list,
        body.contrast-white-black .cities-list {
            background: #0b1220;
            border: 1px solid #1e293b;
        }

        body.contrast-white-black .features-list .selectable-text,
        body.contrast-white-black .cities-list .selectable-text {
            color: #f8fafc;
        }

        body.contrast-white-black .cities-list .question-input {
            background: #0f172a;
            border-color: #1e293b;
            color: #f8fafc;
        }

        body.contrast-white-black .cities-list {
            box-shadow: 0 10px 30px rgba(15, 23, 42, 0.5);
        }

        body.contrast-yellow-black .matching-layout,
        body.contrast-yellow-black .features-list,
        body.contrast-yellow-black .cities-list {
            background: #040505;
            border: 1px solid #4b3f1b;
        }

        body.contrast-yellow-black .features-list .selectable-text,
        body.contrast-yellow-black .cities-list .selectable-text {
            color: #fde68a;
        }

        body.contrast-yellow-black .cities-list .question-input {
            background: #050505;
            border-color: #4b3f1b;
            color: #fde68a;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7);
        }

        body.contrast-white-black .options-title,
        body.contrast-white-black .close-btn,
        body.contrast-white-black .option-label,
        body.contrast-white-black .option-sub,
        body.contrast-white-black .submenu button span {
            color: #f8fafc;
        }

        body.contrast-yellow-black .options-title,
        body.contrast-yellow-black .close-btn,
        body.contrast-yellow-black .option-label,
        body.contrast-yellow-black .option-sub,
        body.contrast-yellow-black .submenu button span {
            color: #fde68a;
        }

        body.contrast-white-black .section-heading,
        body.contrast-white-black .section-subheading {
            color: #f8fafc;
        }

        body.contrast-yellow-black .section-heading,
        body.contrast-yellow-black .section-subheading {
            color: #fde68a;
        }

        body.contrast-white-black .form-main-label {
            color: #f8fafc;
        }

        body.contrast-yellow-black .form-main-label {
            color: #fde68a;
        }

        .course-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 8px;
            font-size: 0.95rem;
        }

        .course-table th,
        .course-table td {
            border: 1px solid #cbd5e0;
            padding: 10px 12px;
            vertical-align: top;
        }

        .course-table th {
            background-color: #f3f4f6;
            font-weight: 700;
            text-align: center;
        }

        .section-instructions {
            text-align: left;
            margin-bottom: 18px;
        }

        .section-heading {
            font-size: 1.4rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            margin-bottom: 4px;
            color: #111827;
        }

        .section-subheading {
            color: #1f2937;
            font-size: 1rem;
            font-weight: 500;
        }

        .form-main-label {
            font-size: 1.02rem;
            font-weight: 700;
            color: #111827;
            margin-top: 12px;
            margin-bottom: 6px;
        }

        .aar-paper {
            border: 2px solid #111827;
            border-radius: 0;
            background: #fff;
            box-shadow: none;
            padding: 18px;
        }

        .aar-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
            line-height: 1.2;
        }

        .aar-heading {
            font-size: 1.05em;
            font-weight: 800;
            margin: 10px 0 6px;
        }

        .aar-line {
            margin: 4px 0;
            line-height: 1.45;
        }

        .aar-bullet {
            margin-left: 34px;
        }

        .aar-bullet::before {
            content: "▪ ";
            font-weight: 700;
        }

        .aar-input {
            width: 130px;
            height: 30px;
            border: 0;
            border-bottom: 2px solid #111827;
            border-radius: 0;
            padding: 0 4px;
            text-align: left;
            background: transparent;
            vertical-align: baseline;
        }

        .aar-input:focus {
            outline: none;
            border-bottom-color: #2563eb;
            box-shadow: none;
        }

        .wccp-paper {
            border: 2px solid #111827;
            border-radius: 0;
            background: #fff;
            box-shadow: none;
            overflow: hidden;
        }

        .wccp-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.2;
            padding: 16px 12px;
            border-bottom: 2px solid #111827;
        }

        .wccp-example {
            padding: 12px;
            border-bottom: 2px solid #111827;
            font-size: 1.02em;
        }

        .wccp-body {
            padding: 14px 12px;
        }

        .wccp-group {
            margin-bottom: 14px;
        }

        .wccp-group-title {
            font-weight: 800;
            font-size: 1.08em;
            margin-bottom: 6px;
        }

        .wccp-line {
            margin: 4px 0 4px 20px;
            line-height: 1.45;
        }

        .wccp-line::before {
            content: "▪ ";
            font-weight: 700;
        }

        .wccp-input {
            width: 110px;
            height: 30px;
            border: 0;
            border-bottom: 2px solid #111827;
            border-radius: 0;
            padding: 0 4px;
            text-align: left;
            background: transparent;
            vertical-align: baseline;
        }

        .wccp-input:focus {
            outline: none;
            border-bottom-color: #2563eb;
            box-shadow: none;
        }

        .bhbt-paper {
            border: 2px solid #111827;
            background: #fff;
            border-radius: 0;
            box-shadow: none;
            overflow: hidden;
            max-width: 980px;
        }

        .bhbt-title {
            text-align: center;
            font-size: 2.1rem;
            font-weight: 800;
            line-height: 1.2;
            padding: 14px 12px;
            border-bottom: 2px solid #111827;
        }

        .bhbt-example {
            border-bottom: 2px solid #111827;
            padding: 12px;
            font-size: 1.02em;
            line-height: 1.45;
        }

        .bhbt-example-label {
            font-weight: 700;
            margin-bottom: 6px;
        }

        .bhbt-body {
            padding: 12px;
        }

        .bhbt-line {
            margin: 0;
            line-height: 1.45;
        }

        .bhbt-head {
            font-size: 2rem;
            font-weight: 800;
            margin: 24px 0 8px;
        }

        .bhbt-list {
            list-style-type: disc;
            margin: 0 0 0 30px;
            padding: 0;
        }

        .bhbt-list li {
            margin: 8px 0;
            line-height: 1.45;
        }

        .bhbt-input {
            width: 160px;
            height: 28px;
            border: 0;
            border-bottom: 2px solid #111827;
            border-radius: 0;
            padding: 0 4px;
            text-align: left;
            background: transparent;
            vertical-align: baseline;
        }

        .bhbt-input:focus {
            outline: none;
            border-bottom-color: #2563eb;
            box-shadow: none;
        }

        .map-table-layout {
            display: grid;
            grid-template-columns: minmax(380px, 1.15fr) minmax(420px, 1fr);
            gap: 14px;
            align-items: start;
            margin-top: 10px;
            margin-bottom: 14px;
        }

        .map-panel,
        .table-panel {
            min-width: 0;
        }

        .map-panel img {
            width: 100%;
            border: 1px solid #e5e7eb;
            border-radius: 8px;
            display: block;
        }

        .table-panel {
            overflow-x: auto;
            border: 1px solid #e5e7eb;
            border-radius: 8px;
            background: #fff;
        }

        .table-panel .course-table {
            margin-top: 0;
            margin-bottom: 0;
            min-width: 620px;
        }

        .test24-map-table {
            grid-template-columns: minmax(250px, 0.75fr) minmax(430px, 1.1fr);
            align-items: stretch;
        }

        .test24-map-table .table-panel {
            display: flex;
            overflow-x: visible;
        }

        .test24-map-table .table-panel .course-table {
            height: 100%;
            min-width: 0;
            width: 100%;
            table-layout: fixed;
            font-size: 0.82rem;
        }

        .test24-map-table .course-table th,
        .test24-map-table .course-table td {
            padding: 7px 6px;
            text-align: center;
        }

        .test24-map-table .course-table th:first-child,
        .test24-map-table .course-table td:first-child {
            width: 40%;
            text-align: left;
        }

        .test24-map-table input[type="radio"] {
            width: 14px;
            height: 14px;
        }

        @media (max-width: 768px) {
            .main-content {
                padding: 12px 16px;
            }

            .parts-navigation {
                gap: 12px;
            }

            .question-numbers {
                max-width: 200px;
            }

            .bottom-navigation {
                padding: 8px 12px;
            }

        .matching-layout {
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .course-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 8px;
            font-size: 0.95rem;
        }

        .course-table th,
        .course-table td {
            border: 1px solid #cbd5e0;
            padding: 10px 12px;
            text-align: left;
        }

        .course-table th {
            background-color: #e2e8f0;
            font-weight: 600;
        }

            .map-table-layout,
            .test24-map-table {
                grid-template-columns: 1fr;
            }

            .test24-map-table .table-panel {
                overflow-x: auto;
            }

            .test24-map-table .table-panel .course-table {
                min-width: 520px;
            }
        }
    
        /* Contrast surface patch: keep question cards readable in alternate modes */
        .contrast-white-black .questions-container,
        .contrast-white-black .question,
        .contrast-white-black .question-group,
        .contrast-white-black .notes-picture,
        .contrast-white-black .word-list,
        .contrast-white-black .flow-chart,
        .contrast-white-black .flow-chart-box,
        .contrast-white-black .time-row,
        .contrast-white-black .notes-board,
        .contrast-white-black .notes-row,
        .contrast-white-black .note-row,
        .contrast-white-black .volcano-item,
        .contrast-white-black .exam-sheet,
        .contrast-white-black .place-card,
        .contrast-white-black .achievement-card,
        .contrast-white-black .form-field,
        .contrast-white-black .form-card,
        .contrast-white-black .form-grid,
        .contrast-white-black .form-row,
        .contrast-white-black .drag-options-shelf,
        .contrast-white-black .responsibility-item,
        .contrast-white-black .responsibility-list,
        .contrast-white-black .multiple-choice-card,
        .contrast-white-black .aar-paper,
        .contrast-white-black .wccp-paper,
        .contrast-white-black .bhbt-paper,
        .contrast-white-black .radio-label,
        .contrast-white-black .varroa-flow-layout .drop-column,
        .contrast-white-black .varroa-flow-layout .options-column,
        .contrast-white-black .features-list,
        .contrast-white-black .cities-list,
        .contrast-white-black .matching-section,
        .contrast-white-black .section-card,
        .contrast-white-black .table-panel,
        .contrast-white-black .table-card,
        .contrast-white-black .results-content,
        .contrast-white-black .score-item {
            background: #111827 !important;
            color: #f7fafc !important;
            border-color: #4a5568 !important;
            box-shadow: none !important;
        }

        .contrast-yellow-black .questions-container,
        .contrast-yellow-black .question,
        .contrast-yellow-black .question-group,
        .contrast-yellow-black .notes-picture,
        .contrast-yellow-black .word-list,
        .contrast-yellow-black .flow-chart,
        .contrast-yellow-black .flow-chart-box,
        .contrast-yellow-black .time-row,
        .contrast-yellow-black .notes-board,
        .contrast-yellow-black .notes-row,
        .contrast-yellow-black .note-row,
        .contrast-yellow-black .volcano-item,
        .contrast-yellow-black .exam-sheet,
        .contrast-yellow-black .place-card,
        .contrast-yellow-black .achievement-card,
        .contrast-yellow-black .form-field,
        .contrast-yellow-black .form-card,
        .contrast-yellow-black .form-grid,
        .contrast-yellow-black .form-row,
        .contrast-yellow-black .drag-options-shelf,
        .contrast-yellow-black .responsibility-item,
        .contrast-yellow-black .responsibility-list,
        .contrast-yellow-black .multiple-choice-card,
        .contrast-yellow-black .aar-paper,
        .contrast-yellow-black .wccp-paper,
        .contrast-yellow-black .bhbt-paper,
        .contrast-yellow-black .radio-label,
        .contrast-yellow-black .varroa-flow-layout .drop-column,
        .contrast-yellow-black .varroa-flow-layout .options-column,
        .contrast-yellow-black .features-list,
        .contrast-yellow-black .cities-list,
        .contrast-yellow-black .matching-section,
        .contrast-yellow-black .section-card,
        .contrast-yellow-black .table-panel,
        .contrast-yellow-black .table-card,
        .contrast-yellow-black .results-content,
        .contrast-yellow-black .score-item {
            background: #050505 !important;
            color: #f6e05e !important;
            border-color: #5f4b16 !important;
            box-shadow: none !important;
        }

        .contrast-white-black .job-table th,
        .contrast-white-black .job-table td,
        .contrast-white-black .bicycling-table th,
        .contrast-white-black .bicycling-table td,
        .contrast-white-black .course-table th,
        .contrast-white-black .course-table td,
        .contrast-white-black .section-table th,
        .contrast-white-black .section-table td,
        .contrast-white-black .form-input,
        .contrast-white-black .matching-input,
        .contrast-white-black .drop-zone-w,
        .contrast-white-black .drop-zone-small {
            background: #0b1220 !important;
            color: #f7fafc !important;
            border-color: #4a5568 !important;
        }

        .contrast-yellow-black .job-table th,
        .contrast-yellow-black .job-table td,
        .contrast-yellow-black .bicycling-table th,
        .contrast-yellow-black .bicycling-table td,
        .contrast-yellow-black .course-table th,
        .contrast-yellow-black .course-table td,
        .contrast-yellow-black .section-table th,
        .contrast-yellow-black .section-table td,
        .contrast-yellow-black .form-input,
        .contrast-yellow-black .matching-input,
        .contrast-yellow-black .drop-zone-w,
        .contrast-yellow-black .drop-zone-small {
            background: #050505 !important;
            color: #f6e05e !important;
            border-color: #5f4b16 !important;
        }

        .contrast-white-black .question-text,
        .contrast-white-black .question-group-title,
        .contrast-white-black .notes-center-title,
        .contrast-white-black .notes-heading,
        .contrast-white-black .notes-title,
        .contrast-white-black .notes-entry,
        .contrast-white-black .place-title,
        .contrast-white-black .section-heading,
        .contrast-white-black .section-subheading,
        .contrast-white-black .section-card-title,
        .contrast-white-black .form-main-label,
        .contrast-white-black .notes-label,
        .contrast-white-black .row-label,
        .contrast-white-black .row-value,
        .contrast-white-black .table-title,
        .contrast-white-black .card-note,
        .contrast-white-black .fill-number {
            color: #f7fafc !important;
        }

        .contrast-yellow-black .question-text,
        .contrast-yellow-black .question-group-title,
        .contrast-yellow-black .notes-center-title,
        .contrast-yellow-black .notes-heading,
        .contrast-yellow-black .notes-title,
        .contrast-yellow-black .notes-entry,
        .contrast-yellow-black .place-title,
        .contrast-yellow-black .section-heading,
        .contrast-yellow-black .section-subheading,
        .contrast-yellow-black .section-card-title,
        .contrast-yellow-black .form-main-label,
        .contrast-yellow-black .notes-label,
        .contrast-yellow-black .row-label,
        .contrast-yellow-black .row-value,
        .contrast-yellow-black .table-title,
        .contrast-yellow-black .card-note,
        .contrast-yellow-black .fill-number {
            color: #f6e05e !important;
        }
        /* Contrast highlight patch: avoid yellow-on-yellow selected text */
        .contrast-white-black .highlight {
            background-color: #63b3ed !important;
            color: #0b1723 !important;
            box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.45) !important;
        }

        .contrast-yellow-black .highlight {
            background-color: #38bdf8 !important;
            color: #030712 !important;
            box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.55) !important;
        }

        .contrast-white-black .highlight *,
        .contrast-yellow-black .highlight * {
            color: inherit !important;
        }
        /* Contrast shell patch: cover older standalone test shells */
        .contrast-white-black .container,
        .contrast-white-black .test-interface,
        .contrast-white-black .main-content,
        .contrast-white-black .passage-container,
        .contrast-white-black .questions-section,
        .contrast-white-black .part-header,
        .contrast-white-black .header,
        .contrast-white-black .submit-section,
        .contrast-white-black .bottom-navigation,
        .contrast-white-black .parts-navigation,
        .contrast-white-black .modal-content {
            background: #111827 !important;
            color: #f7fafc !important;
            border-color: #4a5568 !important;
        }

        .contrast-yellow-black .container,
        .contrast-yellow-black .test-interface,
        .contrast-yellow-black .main-content,
        .contrast-yellow-black .passage-container,
        .contrast-yellow-black .questions-section,
        .contrast-yellow-black .part-header,
        .contrast-yellow-black .header,
        .contrast-yellow-black .submit-section,
        .contrast-yellow-black .bottom-navigation,
        .contrast-yellow-black .parts-navigation,
        .contrast-yellow-black .modal-content {
            background: #050505 !important;
            color: #f6e05e !important;
            border-color: #5f4b16 !important;
        }

        .contrast-white-black .drop-zone:not(.correct):not(.incorrect),
        .contrast-white-black .drag-item,
        .contrast-white-black .input-field {
            background: #0b1220 !important;
            color: #f7fafc !important;
            border-color: #4a5568 !important;
        }

        .contrast-yellow-black .drop-zone:not(.correct):not(.incorrect),
        .contrast-yellow-black .drag-item,
        .contrast-yellow-black .input-field {
            background: #050505 !important;
            color: #f6e05e !important;
            border-color: #5f4b16 !important;
        }
        .sheet-grid > :only-child,
        .map-table-layout > :only-child,
        .test24-map-table > :only-child,
        .matching-layout > :only-child,
        .varroa-flow-layout > :only-child,
        .varroa-flow-layout .drop-item > :only-child {
            grid-column: 1 / -1;
            min-width: 0;
        }