:root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --primary-light: #a5b4fc;
            --accent: #6366f1;
            --accent-dark: #4f46e5;
            --accent-light: #a5b4fc;
            --success: #10b981;
            --success-light: #d1fae5;
            --error: #ef4444;
            --error-light: #fee2e2;
            --gray-50: #f9fafb;
            --gray-100: #f3f4f6;
            --gray-200: #e5e7eb;
            --gray-300: #d1d5db;
            --gray-400: #9ca3af;
            --gray-600: #4b5563;
            --gray-700: #374151;
            --gray-800: #1f2937;
            --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
            --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
            --radius: 12px;
            --radius-sm: 8px;
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
            background:
                radial-gradient(900px 340px at 20% -10%, rgba(99, 102, 241, 0.10) 0%, transparent 60%),
                radial-gradient(640px 260px at 100% 0%, rgba(129, 140, 248, 0.08) 0%, transparent 55%),
                #ffffff;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            color: var(--gray-800);
            line-height: 1.65;
            letter-spacing: -0.011em;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            z-index: -1;
            opacity: 0.35;
            background-image: radial-gradient(circle, #c7d2fe 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
        }

        .is-hidden {
            display: none;
        }

        .theme-toggle { position: fixed; top: 14px; right: 14px; z-index: 80; width: 44px; height: 44px; min-width: 44px; border: 1px solid #d1d5db; background: rgba(255, 255, 255, 0.80); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); color: #334155; border-radius: 999px; padding: 0; font-size: 1.05rem; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease; }
        .theme-toggle:hover { background: rgba(255, 255, 255, 0.95); border-color: var(--primary-light); box-shadow: 0 4px 14px rgba(99, 102, 241, 0.15); transform: rotate(15deg); }
        .theme-toggle:active { transform: rotate(30deg) scale(0.92); }

        .container {
            flex: 1;
            max-width: 920px;
            width: 100%;
            margin: 0 auto;
            padding: 20px;
        }

        h1 {
            text-align: center;
            font-family: 'Pacifico', 'Brush Script MT', cursive;
            font-size: clamp(4rem, 8vw, 5.6rem);
            font-weight: 400;
            margin-top: 18px;
            margin-bottom: 18px;
            text-shadow: none;
            letter-spacing: 0.02em;
            line-height: 1.1;
            background: linear-gradient(135deg, #6366f1 0%, #4f46e5 40%, #818cf8 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .brand-title {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 18px;
            margin-top: 18px;
            margin-bottom: 18px;
        }

        .brand-title-logo {
            width: 128px;
            height: 128px;
            object-fit: contain;
            opacity: 0;
            animation: pageEnter 0.5s ease-out forwards;
        }

        .brand-title h1 {
            margin: 0;
            opacity: 0;
            animation: pageEnter 0.5s ease-out 0.1s forwards;
        }

        @keyframes pageEnter {
            from { opacity: 0; transform: translateY(18px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .card {
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(99, 102, 241, 0.10);
            border-radius: var(--radius);
            box-shadow: 0 10px 25px -5px rgb(0 0 0 / 0.08), 0 4px 10px -3px rgb(0 0 0 / 0.04), 0 0 0 1px rgba(99, 102, 241, 0.04);
            overflow: hidden;
            animation: cardEnter 0.4s ease-out;
            position: relative;
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
        }

        .card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, #6366f1, #818cf8, #6366f1);
            border-radius: 2px 2px 0 0;
            opacity: 0.55;
            z-index: 2;
        }

        .card:hover {
            box-shadow: 0 10px 25px -5px rgb(0 0 0 / 0.08), 0 4px 10px -3px rgb(0 0 0 / 0.04), 0 0 24px rgba(99, 102, 241, 0.08);
            border-color: rgba(99, 102, 241, 0.18);
        }

        @keyframes cardEnter {
            from { opacity: 0; transform: translateY(16px) scale(0.98); }
            to { opacity: 1; transform: translateY(0) scale(1); }
        }

        .question-header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: white;
            padding: 25px;
        }

        .question-meta {
            margin: 0 0 8px;
            font-size: 0.85rem;
            font-weight: 700;
            opacity: 0.92;
            text-transform: uppercase;
            letter-spacing: 0.3px;
        }

        #questionText {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 0;
            color: #ffffff;
            letter-spacing: -0.015em;
            line-height: 1.4;
        }

        .formatted-question {
            overflow-wrap: anywhere;
            word-break: break-word;
        }

        .formatted-question > :first-child {
            margin-top: 0;
        }

        .formatted-question > :last-child {
            margin-bottom: 0;
        }

        .formatted-question p {
            margin: 0 0 0.45em;
        }

        .formatted-question ul,
        .formatted-question ol {
            margin: 0.55em 0;
            padding-left: 1.35em;
        }

        .formatted-question li + li {
            margin-top: 0.18em;
        }

        .question-image-wrap {
            margin: 14px 20px 0;
            display: flex;
            justify-content: center;
        }

        .question-image-wrap img {
            width: auto;
            max-width: 100%;
            max-height: 420px;
            border-radius: var(--radius-sm);
            border: none;
            background: transparent;
            object-fit: contain;
        }

        .question-image-wrap.is-landscape-full {
            display: block;
        }

        .question-image-wrap.is-landscape-full img {
            width: 100%;
            height: auto;
            max-height: 460px;
        }

        .question-image-wrap.is-portrait-large img {
            width: min(100%, 560px);
            height: auto;
            max-height: 760px;
        }

        .question-timer {
            margin: 12px 20px 2px;
            padding: 10px 12px;
            border: 1px solid var(--gray-200);
            border-radius: var(--radius-sm);
            background: #ffffff;
        }

        .question-timer-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            margin-bottom: 8px;
        }

        .question-timer-label {
            font-size: 0.82rem;
            color: var(--gray-600);
            text-transform: uppercase;
            letter-spacing: 0.25px;
        }

        .question-timer-head strong {
            font-size: 0.95rem;
            color: var(--gray-800);
        }

        .question-timer-track {
            width: 100%;
            height: 10px;
            border-radius: 999px;
            background: var(--gray-100);
            overflow: hidden;
        }

        .question-timer-bar {
            width: 100%;
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, #6366f1 0%, #10b981 100%);
            transition: width 0.18s linear, background 0.18s ease;
        }

        .question-timer.is-warning .question-timer-bar {
            background: linear-gradient(90deg, #f59e0b 0%, #f97316 100%);
        }

        .question-timer.is-expired .question-timer-bar {
            width: 0 !important;
            background: #f43f5e;
        }

        .question-timer.is-expired .question-timer-head strong {
            color: #f43f5e;
        }

        .options-container {
            padding: 20px;
        }

        .option-item {
            padding: 18px 20px;
            background: var(--gray-50);
            border: 2px solid var(--gray-200);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            cursor: pointer;
            transition: all 0.2s ease;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .option-item .katex-display,
        .formatted-question .katex-display {
            margin: 0.45em 0;
        }

        .option-item::before {
            content: '';
            width: 24px;
            height: 24px;
            border: 2px solid var(--gray-300);
            border-radius: 50%;
            flex-shrink: 0;
            transition: all 0.2s ease;
        }

        .option-item:hover {
            border-color: var(--primary-light);
            background: white;
            transform: translateX(4px);
            box-shadow: 0 2px 8px rgba(99, 102, 241, 0.10);
        }

        .option-item.selected {
            background: #eef2ff;
            color: #0f172a;
            border-color: #818cf8;
        }

        .option-item-checkbox.selected {
            background: #eef2ff;
            color: #0f172a;
            border-color: #818cf8;
        }

        .option-item.selected::before {
            background: #ffffff;
            border-color: #a5b4fc;
            box-shadow: inset 0 0 0 6px #4f46e5;
        }

        .option-item-checkbox::before {
            border-radius: 6px;
        }

        .option-item-checkbox.selected::before {
            content: '✓';
            background: #ffffff;
            border-color: #c7d2fe;
            color: var(--accent-dark);
            font-weight: 800;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: none;
        }

        .rating-stars {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            width: 100%;
            padding: 12px 0;
        }

        .rating-star-btn {
            border: none;
            background: transparent;
            width: auto;
            min-width: 0;
            padding: 0;
            margin: 0;
            font-size: clamp(2rem, 8vw, 2.5rem);
            line-height: 1;
            color: var(--gray-300);
            cursor: pointer;
            transition: transform 0.15s ease, color 0.15s ease;
        }

        .rating-star-btn:hover {
            transform: scale(1.08);
        }

        .rating-star-btn.active {
            background: linear-gradient(135deg, #f59e0b 0%, #f97316 55%, #fbbf24 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            text-fill-color: transparent;
        }

        .cloze-inline-wrap {
            margin: 0 0 12px;
            padding: 12px 14px;
            border: 1px solid var(--gray-200);
            border-radius: 12px;
            background: var(--gray-50);
            white-space: pre-wrap;
            line-height: 1.9;
        }

        .cloze-blank-input-wrap {
            display: inline-flex;
            width: 168px;
            max-width: 220px;
            min-width: 108px;
            margin: 0 6px;
            vertical-align: middle;
        }

        .cloze-blank-input {
            display: block;
            width: 100%;
            max-width: none;
            min-width: 0;
            margin: 0;
            padding: 6px 8px;
            border: 2px solid var(--gray-300);
            border-radius: 8px;
            background: white;
            font: inherit;
            vertical-align: baseline;
            box-shadow: none;
        }

        .cloze-blank-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: none;
            background: white;
        }

        .cloze-blank-input::placeholder {
            color: #8b8b8b;
        }

        .cloze-blank-input:focus::placeholder {
            color: transparent;
        }

        .open-answer-textarea {
            width: 100%;
            min-height: 130px;
            padding: 14px;
            border-radius: 12px;
            border: 2px solid var(--gray-200);
            background: var(--gray-50);
            color: var(--gray-800);
            font-family: inherit;
            font-size: 1rem;
        }

        .open-answer-textarea:focus {
            outline: none;
            border-color: var(--primary);
        }

        .open-answer-math-field {
            display: block;
            width: 100%;
            min-height: 130px;
            padding: 14px;
            border-radius: 12px;
            border: 2px solid var(--gray-200);
            background: var(--gray-50);
            color: var(--gray-800);
            font-size: 1.05rem;
        }

        .open-answer-math-field:focus-within {
            border-color: var(--primary);
            background: white;
        }

        .video-embed-wrap {
            position: relative;
            width: 100%;
            padding-top: 56.25%;
            border: 1px solid var(--gray-200);
            border-radius: 12px;
            overflow: hidden;
            background: #000;
            margin-bottom: 8px;
        }

        .video-embed-wrap iframe {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            border: 0;
        }

        .video-fallback-link {
            margin: 8px 0 0;
            font-size: 0.95rem;
            color: var(--gray-600);
        }

        .video-fallback-link a {
            color: #4f46e5;
            text-decoration: none;
            font-weight: 600;
        }

        .video-fallback-link a:visited {
            color: #4f46e5;
        }

        .video-fallback-link a:hover {
            color: #3730a3;
            text-decoration: underline;
        }

        .ranking-sort-list {
            display: grid;
            gap: 12px;
            position: relative;
        }

        .ranking-sort-list.is-pointer-dragging {
            user-select: none;
            touch-action: none;
        }

        .ranking-sort-item {
            padding: 14px 16px;
            background: var(--gray-50);
            border: 2px solid var(--gray-200);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            gap: 12px;
            user-select: none;
            cursor: grab;
            transition: transform 0.14s ease, border-color 0.14s ease, box-shadow 0.14s ease, background-color 0.14s ease;
        }

        .ranking-sort-item.is-dragging {
            opacity: 0.94;
            border-color: var(--primary);
            box-shadow: 0 12px 24px rgba(15, 23, 42, 0.22);
        }

        .ranking-sort-item.is-floating {
            position: absolute;
            z-index: 1200;
            opacity: 0.98;
            transform: scale(1.015);
            cursor: grabbing;
            background: #ffffff;
        }

        .ranking-sort-item.is-placeholder {
            border-style: dashed;
            border-color: #818cf8;
            background: rgba(99, 102, 241, 0.06);
            box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.1);
            justify-content: center;
            min-height: 58px;
            animation: rankingDropPulse 0.9s ease-in-out infinite;
        }

        .ranking-sort-item.is-placeholder::after {
            content: 'Déposer ici';
            font-weight: 700;
            font-size: 0.88rem;
            letter-spacing: 0.2px;
            color: #4f46e5;
        }

        .ranking-sort-item.is-dragging .ranking-sort-handle {
            border-color: var(--accent);
            color: var(--accent-dark);
            background: #eef2ff;
        }

        .ranking-sort-handle {
            width: 34px;
            height: 34px;
            border-radius: 999px;
            border: 1px solid var(--gray-300);
            background: white;
            color: var(--gray-600);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: grab;
            flex-shrink: 0;
            touch-action: none;
        }

        .ranking-sort-handle:active {
            cursor: grabbing;
        }

        .ranking-sort-text {
            font-weight: 600;
            color: var(--gray-800);
        }

        @keyframes rankingDropPulse {
            0%, 100% { box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.14); }
            50% { box-shadow: inset 0 0 0 2px rgba(99, 102, 241, 0.34); }
        }

        .labelimage-player {
            display: grid;
            grid-template-columns: 1fr;
            gap: 10px;
        }

        .labelimage-player-canvas-wrap {
            display: grid;
            gap: 8px;
        }

        .labelimage-player-canvas {
            position: relative;
            border: 1px solid var(--gray-200);
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--gray-50);
            cursor: crosshair;
        }

        .labelimage-player-image {
            display: block;
            width: 100%;
            max-height: 560px;
            object-fit: contain;
            margin: 0 auto;
        }

        .labelimage-player-overlay {
            position: absolute;
            inset: 0;
        }

        .labelimage-player-marker {
            position: absolute;
            transform: translate(-50%, -50%);
            width: 56px;
            height: 36px;
            border-radius: 999px;
            border: 2px dashed #6366f1;
            background: rgba(255, 255, 255, 0.5);
            cursor: pointer;
        }

        .labelimage-player-marker::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 50%;
            width: 8px;
            height: 8px;
            border-radius: 999px;
            background: rgba(67, 56, 202, 0.72);
            transform: translate(-50%, -50%);
        }

        .labelimage-player-marker.is-placeholder {
            border-color: rgba(67, 56, 202, 0.7);
            background: rgba(255, 255, 255, 0.42);
        }

        .labelimage-player-marker.is-assigned {
            border-style: solid;
            border-color: #4338ca;
            background: #ffffff;
            box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.98), 0 4px 12px rgba(49, 46, 129, 0.24);
            min-width: 130px;
            width: auto;
            max-width: 220px;
            padding: 0 10px;
        }

        .labelimage-player-marker.is-assigned::before {
            display: none;
        }

        .labelimage-player-marker-text {
            display: block;
            width: 100%;
            font-size: 0.78rem;
            font-weight: 700;
            color: #1e1b4b;
            line-height: 1.2;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .labelimage-player-marker.is-placeholder::after {
            content: '';
            position: absolute;
            inset: -8px;
            border: 2px dashed rgba(67, 56, 202, 0.6);
            border-radius: 999px;
            pointer-events: none;
        }

        .labelimage-player-marker.is-current {
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.28);
        }

        .labelimage-player-marker.is-drop-target {
            box-shadow: 0 0 0 3px rgba(67, 56, 202, 0.28), 0 0 0 6px rgba(67, 56, 202, 0.12);
        }

        .labelimage-player-canvas.is-dragging .labelimage-player-marker {
            transition: box-shadow 120ms ease, transform 120ms ease;
        }

        .labelimage-player-drag-chip {
            position: fixed;
            z-index: 2000;
            pointer-events: none;
            max-width: 240px;
            padding: 8px 12px;
            border-radius: 999px;
            border: 2px solid #4338ca;
            background: #ffffff;
            color: #1e1b4b;
            font-size: 0.8rem;
            font-weight: 700;
            line-height: 1.2;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            box-shadow: 0 8px 20px rgba(30, 27, 75, 0.28);
        }

        .labelimage-player-help {
            margin: 0;
            color: var(--gray-600);
            font-size: 0.95rem;
        }

        .labelimage-player-labels {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 8px;
        }

        .labelimage-label-btn {
            display: flex;
            align-items: center;
            gap: 8px;
            border: 1px solid var(--gray-200);
            background: var(--gray-50);
            border-radius: 10px;
            padding: 10px;
            cursor: pointer;
            text-align: left;
            color: var(--gray-800);
        }

        .labelimage-label-btn.is-active {
            border-color: #818cf8;
            box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.14);
        }

        .labelimage-label-btn.is-placed {
            border-color: rgba(99, 102, 241, 0.44);
            background: rgba(99, 102, 241, 0.08);
        }

        .labelimage-label-num {
            width: 24px;
            height: 24px;
            border-radius: 999px;
            background: #6366f1;
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.82rem;
            flex: 0 0 auto;
        }

        .button-container {
            padding: 20px;
        }

        @keyframes btnShimmer {
            0% { left: -100%; }
            100% { left: 100%; }
        }

        #valider {
            width: 100%;
            display: block;
            padding: 18px 40px;
            font-size: 1.1rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: white;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all 0.2s ease;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }

        #valider::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
            transition: none;
            pointer-events: none;
        }

        #valider:hover::before {
            animation: btnShimmer 0.6s ease forwards;
        }

        #valider:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(99, 102, 241, 0.3);
        }

        #valider:disabled {
            background: var(--gray-300);
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .success-message {
            text-align: center;
            padding: 30px;
            margin: 20px;
            background: var(--success-light);
            color: #065f46;
            border-radius: var(--radius-sm);
            display: none;
            font-weight: 600;
            font-size: 1.1rem;
        }

        .success-message::before {
            content: '✓';
            display: block;
            font-size: 3rem;
            margin-bottom: 15px;
        }

        .error-message {
            text-align: center;
            padding: 30px;
            margin: 20px;
            background: var(--error-light);
            color: var(--error);
            border-radius: var(--radius-sm);
            display: none;
            font-weight: 600;
        }

        .waiting-message {
            text-align: center;
            padding: 30px;
            margin: 20px;
            background: #eef2ff;
            color: #4f46e5;
            border-radius: var(--radius-sm);
            display: none;
            font-weight: 600;
        }

        .loading {
            text-align: center;
            padding: 60px 20px;
            color: var(--gray-600);
        }

        .loading::after {
            content: '';
            display: block;
            width: 40px;
            height: 40px;
            margin: 20px auto 0;
            border: 3px solid var(--gray-200);
            border-top-color: var(--primary);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        .access-card {
            margin-bottom: 16px;
            padding: 18px;
        }

        .access-card h2 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            padding-bottom: 0;
            border-bottom: none;
            color: var(--gray-800);
        }

        .access-card p {
            color: var(--gray-600);
            font-size: 0.95rem;
            margin-bottom: 12px;
        }

        .participant-report-head {
            margin-bottom: 16px;
        }

        .participant-report-kicker {
            margin: 0 0 6px;
            color: var(--primary-dark);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .participant-report-summary {
            margin-bottom: 0;
            line-height: 1.6;
        }

        .participant-report-content {
            display: grid;
            gap: 12px;
        }

        .participant-report-section {
            display: grid;
            gap: 12px;
        }

        .participant-report-section h3 {
            margin: 0;
            color: var(--gray-800);
            font-size: 1rem;
        }

        .participant-report-section-grid {
            display: grid;
            gap: 12px;
        }

        .participant-report-item {
            padding: 14px;
            border: 1px solid var(--gray-200);
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.92);
        }

        .participant-report-item.is-correct {
            border-color: #6ee7b7;
            background: #ecfdf5;
        }

        .participant-report-item.is-incorrect {
            border-color: #fda4af;
            background: #fff1f2;
        }

        .participant-report-item.is-unanswered {
            border-color: #fde68a;
            background: #fffbeb;
        }

        .participant-report-item.is-not_graded,
        .participant-report-item.is-informational {
            border-color: #bfdbfe;
            background: #eff6ff;
        }

        .participant-report-item-head {
            display: flex;
            justify-content: space-between;
            gap: 10px;
            align-items: flex-start;
            margin-bottom: 10px;
        }

        .participant-report-item-head h4 {
            margin: 0;
            color: var(--gray-800);
            font-size: 1rem;
        }

        .participant-report-badge {
            display: inline-flex;
            align-items: center;
            padding: 6px 10px;
            border-radius: 999px;
            font-size: 0.82rem;
            font-weight: 700;
            white-space: nowrap;
            background: #eef2ff;
            color: var(--primary-dark);
        }

        .participant-report-badge.is-correct {
            background: #d1fae5;
            color: #065f46;
        }

        .participant-report-badge.is-incorrect {
            background: #ffe4e6;
            color: #9f1239;
        }

        .participant-report-badge.is-unanswered {
            background: #fef3c7;
            color: #92400e;
        }

        .participant-report-badge.is-not_graded,
        .participant-report-badge.is-informational {
            background: #dbeafe;
            color: #1d4ed8;
        }

        .participant-report-question {
            margin-bottom: 10px;
        }

        .participant-report-meta {
            display: grid;
            gap: 6px;
        }

        .participant-report-meta p {
            margin: 0;
            color: var(--gray-700);
        }

        .participant-report-note {
            color: var(--gray-600);
        }

        .participant-report-actions {
            margin-top: 16px;
            display: flex;
            justify-content: flex-end;
        }

        .participant-report-actions button {
            position: relative;
            isolation: isolate;
            overflow: hidden;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            min-width: 220px;
            padding: 14px 22px;
            border: none;
            border-radius: 18px;
            background: linear-gradient(135deg, #6366f1 0%, #7c83ff 48%, #8b5cf6 100%);
            color: #ffffff;
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: -0.015em;
            box-shadow:
                0 14px 26px -20px rgba(79, 70, 229, 0.38),
                0 8px 18px -16px rgba(99, 102, 241, 0.28);
            cursor: pointer;
            transition:
                transform 0.22s ease,
                box-shadow 0.22s ease,
                filter 0.22s ease,
                opacity 0.22s ease;
        }

        .participant-report-actions button::after {
            content: '';
            position: absolute;
            inset: 1px;
            border-radius: inherit;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.16) 0%, rgba(255, 255, 255, 0.02) 52%, rgba(255, 255, 255, 0.04) 100%);
            pointer-events: none;
            z-index: 0;
        }

        .participant-report-actions button > * {
            position: relative;
            z-index: 1;
        }

        .participant-report-actions button i {
            font-size: 1.05rem;
            opacity: 0.96;
        }

        .participant-report-actions button:hover:not(:disabled) {
            transform: translateY(-1px);
            filter: saturate(1.03) brightness(1.02);
            box-shadow:
                0 18px 28px -22px rgba(79, 70, 229, 0.46),
                0 10px 20px -18px rgba(99, 102, 241, 0.34);
        }

        .participant-report-actions button:focus-visible {
            outline: none;
            box-shadow:
                0 0 0 4px rgba(129, 140, 248, 0.22),
                0 14px 26px -20px rgba(79, 70, 229, 0.38),
                0 8px 18px -16px rgba(99, 102, 241, 0.28);
        }

        .participant-report-actions button:active:not(:disabled) {
            transform: translateY(0);
            box-shadow:
                0 10px 18px -18px rgba(79, 70, 229, 0.34),
                0 6px 14px -14px rgba(99, 102, 241, 0.24);
        }

        .participant-report-actions button:disabled {
            cursor: not-allowed;
            opacity: 0.62;
            box-shadow: none;
            filter: grayscale(0.12);
        }

        .access-form {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .access-form input {
            flex: 1;
            min-width: 0;
            padding: 12px 14px;
            border: 2px solid var(--gray-200);
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-family: inherit;
        }

        .access-form input.is-invalid {
            border-color: #f59e0b;
            background: #fffaf0;
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.14);
        }

        .access-form button {
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: white;
            font-weight: 600;
            cursor: pointer;
        }

        .inline-field-feedback {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 12px;
            padding: 10px 12px;
            border-radius: 10px;
            background: #fff7ed;
            border: 1px solid #fdba74;
            color: #9a3412;
            font-size: 0.93rem;
            line-height: 1.45;
        }

        .inline-field-feedback::before {
            content: '\f06a';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: #ea580c;
            flex-shrink: 0;
        }

        .inline-field-feedback.is-hidden {
            display: none;
        }

        @media (max-width: 720px) {
            .participant-report-item-head {
                flex-direction: column;
            }

            .participant-report-actions {
                justify-content: stretch;
            }

            .participant-report-actions button {
                width: 100%;
            }
        }

        .footer {
            max-width: 900px;
            width: 100%;
            margin: auto auto 12px;
            margin-top: 36px;
            padding-top: 0;
            text-align: center;
            border-top: none;
            color: var(--gray-500);
            position: relative;
        }

        .footer::before {
            content: '';
            display: block;
            width: 60%;
            max-width: 320px;
            height: 2px;
            margin: 0 auto 28px;
            background: linear-gradient(90deg, transparent, var(--primary-light), transparent);
            border-radius: 2px;
        }

        .footer-content {
            display: grid;
            gap: 18px;
            justify-items: center;
        }

        .made-with {
            margin: 0;
            font-size: 0.95rem;
            line-height: 1.5;
        }

        .made-with a {
            color: var(--primary-dark);
            text-decoration: none;
            font-weight: 600;
            transition: color 0.2s ease;
        }

        .footer-legal a {
            color: var(--gray-500);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.2s ease;
        }

        .made-with a:hover,
        .footer-legal a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        .year {
            margin: 2px 0 0;
            font-size: 0.88rem;
            color: var(--gray-400);
        }

        .footer-legal {
            margin: 0;
            font-size: 0.88rem;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        @media (prefers-color-scheme: dark) {
            :root:not(.theme-light) body {
                background:
                    radial-gradient(900px 340px at 20% -10%, rgba(99, 102, 241, 0.15) 0%, transparent 60%),
                    radial-gradient(640px 260px at 100% 0%, rgba(79, 70, 229, 0.10) 0%, transparent 55%),
                    #020617;
                color: #e2e8f0;
            }

            :root:not(.theme-light) h1 {
                background: linear-gradient(135deg, #a5b4fc 0%, #818cf8 40%, #c7d2fe 100%);
                -webkit-background-clip: text;
                background-clip: text;
                -webkit-text-fill-color: transparent;
            }

            :root:not(.theme-light) .brand-title h1 {
                background: linear-gradient(135deg, #a5b4fc 0%, #818cf8 40%, #c7d2fe 100%);
                -webkit-background-clip: text;
                background-clip: text;
                -webkit-text-fill-color: transparent;
                color: transparent;
            }

            :root:not(.theme-light) body::before {
                opacity: 0.08;
                background-image: radial-gradient(circle, #818cf8 1px, transparent 1px);
            }

            :root:not(.theme-light) .card::after {
                background: linear-gradient(90deg, #6366f1, #a5b4fc, #6366f1);
            }

            :root:not(.theme-light) .card {
                background: rgba(17, 24, 39, 0.80);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                border: 1px solid rgba(99, 102, 241, 0.15);
            }

            :root:not(.theme-light) .option-item {
                background: #0f172a;
                border-color: #334155;
                color: #e2e8f0;
            }

            :root:not(.theme-light) .option-item::before {
                background: #020617;
                border-color: #64748b;
            }

            :root:not(.theme-light) .option-item:hover {
                background: #1e293b;
            }

            :root:not(.theme-light) .option-item.selected,
            :root:not(.theme-light) .option-item-checkbox.selected {
                background: rgba(99, 102, 241, 0.14);
                color: #e2e8f0;
                border-color: #818cf8;
            }

            :root:not(.theme-light) .option-item.selected::before {
                background: #e2e8f0;
                border-color: #e2e8f0;
                box-shadow: inset 0 0 0 6px #4f46e5;
            }

            :root:not(.theme-light) .option-item-checkbox.selected::before {
                background: #e2e8f0;
                border-color: #a5b4fc;
                color: #4f46e5;
                box-shadow: none;
            }

            :root:not(.theme-light) .access-card p,
            :root:not(.theme-light) .loading {
                color: #cbd5e1;
            }

            :root:not(.theme-light) .access-card h2 {
                color: #e8edff;
                border-bottom: none;
            }

            :root:not(.theme-light) .access-form input {
                background: #0b1220;
                border-color: #334155;
                color: #e2e8f0;
            }

            :root:not(.theme-light) .access-form input.is-invalid {
                background: #1f1a12;
                border-color: #f59e0b;
                box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.16);
            }

            :root:not(.theme-light) .inline-field-feedback {
                background: rgba(120, 53, 15, 0.28);
                border-color: rgba(251, 191, 36, 0.45);
                color: #fed7aa;
            }

            :root:not(.theme-light) .inline-field-feedback::before {
                color: #fdba74;
            }

            :root:not(.theme-light) .waiting-message {
                background: #0f172a;
                color: #a5b4fc;
            }

            :root:not(.theme-light) .cloze-inline-wrap {
                background: #0f172a;
                border-color: #334155;
                color: #e2e8f0;
            }

            :root:not(.theme-light) .question-timer {
                background: #0f172a;
                border-color: #334155;
            }

            :root:not(.theme-light) .question-timer-label {
                color: #94a3b8;
            }

            :root:not(.theme-light) .question-timer-head strong {
                color: #e2e8f0;
            }

            :root:not(.theme-light) .question-timer-track {
                background: #1e293b;
            }

            :root:not(.theme-light) .cloze-blank-input {
                background: #020617;
                border-color: #334155;
                color: #e2e8f0;
            }

            :root:not(.theme-light) .open-answer-textarea {
                background: #0b1220;
                border-color: #334155;
                color: #e2e8f0;
            }

            :root:not(.theme-light) .video-embed-wrap {
                border-color: #334155;
            }

            :root:not(.theme-light) .video-fallback-link {
                color: #cbd5e1;
            }

            :root:not(.theme-light) .video-fallback-link a,
            :root:not(.theme-light) .video-fallback-link a:visited {
                color: #a5b4fc;
            }

            :root:not(.theme-light) .video-fallback-link a:hover {
                color: #c7d2fe;
            }

            :root:not(.theme-light) .ranking-sort-item {
                background: #0f172a;
                border-color: #334155;
            }

            :root:not(.theme-light) .ranking-sort-item.is-placeholder {
                border-color: #818cf8;
                background: rgba(99, 102, 241, 0.14);
            }

            :root:not(.theme-light) .ranking-sort-item.is-placeholder::after {
                color: #a5b4fc;
            }

            :root:not(.theme-light) .ranking-sort-handle {
                background: #020617;
                border-color: #334155;
                color: #cbd5e1;
            }

            :root:not(.theme-light) .ranking-sort-text {
                color: #e2e8f0;
            }

            :root:not(.theme-light) .labelimage-player-canvas {
                background: #0f172a;
                border-color: #334155;
            }

            :root:not(.theme-light) .labelimage-player-help {
                color: #cbd5e1;
            }

            :root:not(.theme-light) .labelimage-label-btn {
                background: #0f172a;
                border-color: #334155;
                color: #e2e8f0;
            }

            :root:not(.theme-light) .participant-report-kicker {
                color: #c7d2fe;
            }

            :root:not(.theme-light) .participant-report-summary,
            :root:not(.theme-light) .participant-report-section h3,
            :root:not(.theme-light) .participant-report-item-head h4,
            :root:not(.theme-light) .participant-report-question,
            :root:not(.theme-light) .participant-report-meta p,
            :root:not(.theme-light) .participant-report-note {
                color: #e5eefb;
            }

            :root:not(.theme-light) .participant-report-section {
                padding: 12px;
                border-radius: 18px;
                background: rgba(15, 23, 42, 0.42);
                border: 1px solid rgba(71, 85, 105, 0.68);
            }

            :root:not(.theme-light) .participant-report-item {
                border-width: 1px;
                box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
            }

            :root:not(.theme-light) .participant-report-item.is-correct {
                background: rgba(22, 101, 52, 0.18);
                border-color: rgba(110, 231, 183, 0.52);
            }

            :root:not(.theme-light) .participant-report-item.is-incorrect {
                background: rgba(159, 18, 57, 0.18);
                border-color: rgba(244, 114, 182, 0.48);
            }

            :root:not(.theme-light) .participant-report-item.is-unanswered {
                background: rgba(146, 64, 14, 0.18);
                border-color: rgba(251, 191, 36, 0.48);
            }

            :root:not(.theme-light) .participant-report-item.is-not_graded,
            :root:not(.theme-light) .participant-report-item.is-informational {
                background: rgba(29, 78, 216, 0.16);
                border-color: rgba(96, 165, 250, 0.46);
            }

            :root:not(.theme-light) .participant-report-badge {
                border: 1px solid rgba(148, 163, 184, 0.32);
            }

            :root:not(.theme-light) .participant-report-badge.is-correct {
                background: rgba(209, 250, 229, 0.16);
                color: #bbf7d0;
            }

            :root:not(.theme-light) .participant-report-badge.is-incorrect {
                background: rgba(255, 228, 230, 0.16);
                color: #fda4af;
            }

            :root:not(.theme-light) .participant-report-badge.is-unanswered {
                background: rgba(254, 243, 199, 0.16);
                color: #fde68a;
            }

            :root:not(.theme-light) .participant-report-badge.is-not_graded,
            :root:not(.theme-light) .participant-report-badge.is-informational {
                background: rgba(219, 234, 254, 0.14);
                color: #bfdbfe;
            }

            :root:not(.theme-light) .participant-report-question,
            :root:not(.theme-light) .participant-report-meta p {
                padding: 10px 12px;
                border-radius: 14px;
                background: rgba(2, 6, 23, 0.26);
                border: 1px solid rgba(71, 85, 105, 0.35);
            }

            :root:not(.theme-light) .participant-report-actions button {
                background: linear-gradient(135deg, #5b63f6 0%, #7c83ff 45%, #8b5cf6 100%);
                box-shadow:
                    0 18px 30px -24px rgba(129, 140, 248, 0.42),
                    0 10px 20px -18px rgba(15, 23, 42, 0.72);
            }

            :root:not(.theme-light) .participant-report-actions button:disabled {
                opacity: 0.56;
            }

            :root:not(.theme-light) #valider:disabled {
                background: #334155;
                color: #94a3b8;
            }

            :root:not(.theme-light) .footer {
                color: #ffffff;
            }

            :root:not(.theme-light) .footer::before {
                background: linear-gradient(90deg, transparent, rgba(165, 180, 252, 0.4), transparent);
            }

            :root:not(.theme-light) .made-with a {
                color: #a5b4fc;
            }

            :root:not(.theme-light) .made-with,
            :root:not(.theme-light) .license {
                color: #ffffff;
            }

            :root:not(.theme-light) .footer-legal a {
                color: #a5b4fc;
            }

            :root:not(.theme-light) .year {
                color: #ffffff;
            }

        }

        :root.theme-dark body {
            background:
                radial-gradient(900px 340px at 20% -10%, rgba(99, 102, 241, 0.18) 0%, transparent 60%),
                radial-gradient(640px 260px at 100% 0%, rgba(79, 70, 229, 0.12) 0%, transparent 55%),
                #020617;
            color: #e2e8f0;
        }

        :root.theme-dark h1 {
            background: linear-gradient(135deg, #a5b4fc 0%, #818cf8 40%, #c7d2fe 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        :root.theme-dark .brand-title h1 {
            background: linear-gradient(135deg, #a5b4fc 0%, #818cf8 40%, #c7d2fe 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        :root.theme-dark body::before {
            opacity: 0.08;
            background-image: radial-gradient(circle, #818cf8 1px, transparent 1px);
        }

        :root.theme-dark .card::after {
            background: linear-gradient(90deg, #6366f1, #a5b4fc, #6366f1);
        }

        :root.theme-dark .card {
            background: rgba(17, 24, 39, 0.80);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(99, 102, 241, 0.15);
        }

        :root.theme-dark .option-item {
            background: #0f172a;
            border-color: #334155;
            color: #e2e8f0;
        }

        :root.theme-dark .option-item::before {
            background: #020617;
            border-color: #64748b;
        }

        :root.theme-dark .option-item:hover {
            background: #1e293b;
        }

        :root.theme-dark .option-item.selected,
        :root.theme-dark .option-item-checkbox.selected {
            background: rgba(129, 140, 248, 0.16);
            color: #e2e8f0;
            border-color: #818cf8;
        }

        :root.theme-dark .option-item.selected::before {
            background: #e2e8f0;
            border-color: #e2e8f0;
            box-shadow: inset 0 0 0 6px #4f46e5;
        }

        :root.theme-dark .option-item-checkbox.selected::before {
            background: #e2e8f0;
            border-color: #a5b4fc;
            color: #4f46e5;
            box-shadow: none;
        }

        :root.theme-dark .access-card p,
        :root.theme-dark .loading {
            color: #cbd5e1;
        }

        :root.theme-dark .access-form input {
            background: #0b1220;
            border-color: #334155;
            color: #e2e8f0;
        }

        :root.theme-dark .access-form input.is-invalid {
            background: #1f1a12;
            border-color: #f59e0b;
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.16);
        }

        :root.theme-dark .inline-field-feedback {
            background: rgba(120, 53, 15, 0.28);
            border-color: rgba(251, 191, 36, 0.45);
            color: #fed7aa;
        }

        :root.theme-dark .inline-field-feedback::before {
            color: #fdba74;
        }

        :root.theme-dark .waiting-message {
            background: #0f172a;
            color: #a5b4fc;
        }

        :root.theme-dark .cloze-inline-wrap {
            background: #0f172a;
            border-color: #334155;
            color: #e2e8f0;
        }

        :root.theme-dark .question-timer {
            background: #0f172a;
            border-color: #334155;
        }

        :root.theme-dark .question-timer-label {
            color: #94a3b8;
        }

        :root.theme-dark .question-timer-head strong {
            color: #e2e8f0;
        }

        :root.theme-dark .question-timer-track {
            background: #1e293b;
        }

        :root.theme-dark .cloze-blank-input {
            background: #020617;
            border-color: #334155;
            color: #e2e8f0;
        }

        :root.theme-dark .open-answer-textarea {
            background: #0b1220;
            border-color: #334155;
            color: #e2e8f0;
        }

        :root.theme-dark .open-answer-math-field {
            background: #0b1220;
            border-color: #334155;
            color: #e2e8f0;
        }

        :root.theme-dark .video-embed-wrap {
            border-color: #334155;
        }

        :root.theme-dark .video-fallback-link {
            color: #cbd5e1;
        }

        :root.theme-dark .video-fallback-link a,
        :root.theme-dark .video-fallback-link a:visited {
            color: #a5b4fc;
        }

        :root.theme-dark .video-fallback-link a:hover {
            color: #c7d2fe;
        }

        :root.theme-dark .access-card h2 {
            color: #e8edff;
            border-bottom: none;
        }

        :root.theme-dark .ranking-sort-item {
            background: #0f172a;
            border-color: #334155;
        }

        :root.theme-dark .ranking-sort-item.is-placeholder {
            border-color: #818cf8;
            background: rgba(129, 140, 248, 0.14);
        }

        :root.theme-dark .ranking-sort-item.is-placeholder::after {
            color: #a5b4fc;
        }

        :root.theme-dark .ranking-sort-handle {
            background: #020617;
            border-color: #334155;
            color: #cbd5e1;
        }

        :root.theme-dark .ranking-sort-text {
            color: #e2e8f0;
        }

        :root.theme-dark .labelimage-player-canvas {
            background: #0f172a;
            border-color: #334155;
        }

        :root.theme-dark .labelimage-player-help {
            color: #cbd5e1;
        }

        :root.theme-dark .labelimage-label-btn {
            background: #0f172a;
            border-color: #334155;
            color: #e2e8f0;
        }

        :root.theme-dark .participant-report-kicker {
            color: #c7d2fe;
        }

        :root.theme-dark .participant-report-summary,
        :root.theme-dark .participant-report-section h3,
        :root.theme-dark .participant-report-item-head h4,
        :root.theme-dark .participant-report-question,
        :root.theme-dark .participant-report-meta p,
        :root.theme-dark .participant-report-note {
            color: #e5eefb;
        }

        :root.theme-dark .participant-report-section {
            padding: 12px;
            border-radius: 18px;
            background: rgba(15, 23, 42, 0.42);
            border: 1px solid rgba(71, 85, 105, 0.68);
        }

        :root.theme-dark .participant-report-item {
            border-width: 1px;
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
        }

        :root.theme-dark .participant-report-item.is-correct {
            background: rgba(22, 101, 52, 0.18);
            border-color: rgba(110, 231, 183, 0.52);
        }

        :root.theme-dark .participant-report-item.is-incorrect {
            background: rgba(159, 18, 57, 0.18);
            border-color: rgba(244, 114, 182, 0.48);
        }

        :root.theme-dark .participant-report-item.is-unanswered {
            background: rgba(146, 64, 14, 0.18);
            border-color: rgba(251, 191, 36, 0.48);
        }

        :root.theme-dark .participant-report-item.is-not_graded,
        :root.theme-dark .participant-report-item.is-informational {
            background: rgba(29, 78, 216, 0.16);
            border-color: rgba(96, 165, 250, 0.46);
        }

        :root.theme-dark .participant-report-badge {
            border: 1px solid rgba(148, 163, 184, 0.32);
        }

        :root.theme-dark .participant-report-badge.is-correct {
            background: rgba(209, 250, 229, 0.16);
            color: #bbf7d0;
        }

        :root.theme-dark .participant-report-badge.is-incorrect {
            background: rgba(255, 228, 230, 0.16);
            color: #fda4af;
        }

        :root.theme-dark .participant-report-badge.is-unanswered {
            background: rgba(254, 243, 199, 0.16);
            color: #fde68a;
        }

        :root.theme-dark .participant-report-badge.is-not_graded,
        :root.theme-dark .participant-report-badge.is-informational {
            background: rgba(219, 234, 254, 0.14);
            color: #bfdbfe;
        }

        :root.theme-dark .participant-report-question,
        :root.theme-dark .participant-report-meta p {
            padding: 10px 12px;
            border-radius: 14px;
            background: rgba(2, 6, 23, 0.26);
            border: 1px solid rgba(71, 85, 105, 0.35);
        }

        :root.theme-dark .participant-report-actions button {
            background: linear-gradient(135deg, #5b63f6 0%, #7c83ff 45%, #8b5cf6 100%);
            box-shadow:
                0 18px 30px -24px rgba(129, 140, 248, 0.42),
                0 10px 20px -18px rgba(15, 23, 42, 0.72);
        }

        :root.theme-dark .participant-report-actions button:disabled {
            opacity: 0.56;
        }

        :root.theme-dark .labelimage-player-marker.is-placeholder {
            border-color: rgba(165, 180, 252, 0.85);
            background: rgba(15, 23, 42, 0.55);
        }

        :root.theme-dark .labelimage-player-marker::before {
            background: rgba(199, 210, 254, 0.8);
        }

        :root.theme-dark .labelimage-player-marker.is-assigned {
            border-color: #a5b4fc;
            background: #1e293b;
            box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.96), 0 5px 14px rgba(129, 140, 248, 0.26);
        }

        :root.theme-dark .labelimage-player-marker-text {
            color: #eef2ff;
        }

        :root.theme-dark .labelimage-player-marker.is-assigned::before {
            display: none;
        }

        :root.theme-dark .labelimage-player-marker.is-placeholder::after {
            border-color: rgba(165, 180, 252, 0.72);
        }

        :root.theme-dark .labelimage-player-marker.is-current {
            box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.3);
        }

        :root.theme-dark .labelimage-player-marker.is-drop-target {
            box-shadow: 0 0 0 3px rgba(165, 180, 252, 0.3), 0 0 0 6px rgba(165, 180, 252, 0.14);
        }

        :root.theme-dark .labelimage-player-drag-chip {
            border-color: #a5b4fc;
            background: #1e293b;
            color: #eef2ff;
            box-shadow: 0 10px 24px rgba(2, 6, 23, 0.48);
        }

        :root.theme-dark #valider:disabled {
            background: #334155;
            color: #94a3b8;
        }

        :root.theme-dark .footer {
            color: #ffffff;
        }

        :root.theme-dark .footer::before {
            background: linear-gradient(90deg, transparent, rgba(165, 180, 252, 0.4), transparent);
        }

        :root.theme-dark .made-with a {
            color: #a5b4fc;
        }

        :root.theme-dark .made-with,
        :root.theme-dark .license {
            color: #ffffff;
        }

        :root.theme-dark .footer-legal a {
            color: #a5b4fc;
        }

        :root.theme-dark .year {
            color: #ffffff;
        }

        :root.theme-dark .theme-toggle {
            background: rgba(17, 24, 39, 0.80);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            color: #e2e8f0;
            border-color: #334155;
        }

        :root.theme-dark .theme-toggle:hover {
            background: rgba(30, 41, 59, 0.90);
            border-color: #a5b4fc;
            box-shadow: 0 4px 14px rgba(99, 102, 241, 0.2);
        }

        /* Footer link tone */
        .footer .made-with a,
        .footer .footer-legal a {
            color: #6366f1 !important;
            font-weight: 400 !important;
        }

        .footer .license a {
            color: inherit !important;
            font-weight: 400 !important;
        }

        .footer .made-with,
        .footer .license {
            color: inherit !important;
        }

        .footer .year,
        .footer .made-with .fa-heart {
            color: inherit !important;
        }

        @media (max-width: 640px) {
            .container {
                padding: 15px;
            }

            .rating-stars {
                gap: 6px;
            }

            #questionText {
                font-size: 1.1rem;
            }

            .option-item {
                padding: 15px;
            }

            .question-image-wrap {
                margin: 12px 16px 0;
            }

            .question-timer {
                margin: 12px 16px 2px;
            }

            .labelimage-player {
                grid-template-columns: 1fr;
            }
        }