/* Styles spécifiques pour patrons-solides */
    :root {
        --primary: #6366F1;
        --primary-light: #818CF8;
        --secondary: #EC4899;
        --accent: #10B981;
        --dark: #0F0A1F;
        --card-bg: rgba(255,255,255,0.03);
    }
    
    /* Override body background from layout */
    body {
        background: var(--dark) !important;
        color: white;
    }
    
    /* Ensure .app takes full width/height if needed, 
       though it is supervised by <main> now. */

        
        /* Page Title */
        .page-title {
            text-align: center;
            padding: 2rem 1rem;
            background: linear-gradient(180deg, rgba(99,102,241,0.15) 0%, transparent 100%);
        }
        
        .page-title h1 {
            font-family: 'Poppins', sans-serif;
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 900;
            background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 0.5rem;
        }
        
        .page-title p {
            color: rgba(255,255,255,0.6);
            font-size: 1.1rem;
        }
        
        /* Layout */
        .app {
            max-width: 1600px;
            margin: 0 auto;
            padding: 0 1.5rem 3rem;
            display: grid;
            grid-template-columns: 320px 1fr;
            gap: 1.5rem;
        }
        
        @media (max-width: 1000px) {
            .app { grid-template-columns: 1fr; overflow-x: hidden; }
        }
        @media (max-width: 600px) {
            .app { padding: 0 0.75rem 2rem; }
            .panel { min-width: 0; }
        }
        
        /* Panel */
        .panel {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        
        .card {
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255,255,255,0.06);
            border-radius: 16px;
            padding: 1.25rem;
        }
        
        .card-title {
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: rgba(255,255,255,0.4);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .card-title i { color: var(--primary-light); }
        
        /* Solids Grid */
        .solids-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0.5rem;
        }
        
        .solid-btn {
            aspect-ratio: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            background: rgba(255,255,255,0.02);
            border: 2px solid rgba(255,255,255,0.08);
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.3s;
            color: rgba(255,255,255,0.6);
            font-size: 0.7rem;
            font-weight: 600;
        }
        
        .solid-btn i { font-size: 1.4rem; }
        
        .solid-btn:hover {
            border-color: var(--primary);
            background: rgba(99,102,241,0.1);
            color: white;
        }
        
        .solid-btn.active {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-color: transparent;
            color: white;
            box-shadow: 0 8px 32px rgba(99,102,241,0.3);
        }
        
        /* Progress */
        .progress-section {
            text-align: center;
        }
        
        .progress-value {
            font-family: 'Poppins', sans-serif;
            font-size: 3.5rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
        }
        
        .progress-label {
            font-size: 0.8rem;
            color: rgba(255,255,255,0.5);
            margin-bottom: 1rem;
        }
        
        .slider-container {
            position: relative;
            height: 8px;
            background: rgba(255,255,255,0.1);
            border-radius: 4px;
            margin-bottom: 1.5rem;
        }
        
        .slider-fill {
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 4px;
            transition: width 0.1s;
        }
        
        .slider-input {
            position: absolute;
            width: 100%;
            height: 100%;
            opacity: 0;
            cursor: pointer;
        }
        
        .slider-thumb {
            position: absolute;
            top: 50%;
            transform: translate(-50%, -50%);
            width: 24px;
            height: 24px;
            background: white;
            border-radius: 50%;
            box-shadow: 0 2px 10px rgba(0,0,0,0.3);
            pointer-events: none;
            transition: transform 0.1s;
        }
        
        /* Steps */
        .steps-container {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        
        .step-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.6rem 0.75rem;
            background: rgba(255,255,255,0.02);
            border-radius: 8px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
            transition: all 0.3s;
        }
        
        .step-item.active {
            background: rgba(99,102,241,0.15);
            color: white;
        }
        
        .step-item.done {
            color: var(--accent);
        }
        
        .step-num {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            font-size: 0.75rem;
            font-weight: 700;
        }
        
        .step-item.active .step-num {
            background: var(--primary);
        }
        
        .step-item.done .step-num {
            background: var(--accent);
        }
        
        .step-item.done .step-num i {
            font-size: 0.7rem;
        }
        
        /* Buttons */
        .btn-group {
            display: flex;
            gap: 0.5rem;
        }
        
        .btn {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.85rem;
            border: none;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), #4F46E5);
            color: white;
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(99,102,241,0.4);
        }
        
        .btn-secondary {
            background: rgba(255,255,255,0.08);
            color: white;
        }
        
        .btn-secondary:hover {
            background: rgba(255,255,255,0.12);
        }
        
        .btn-success {
            background: linear-gradient(135deg, var(--accent), #059669);
            color: white;
        }
        
        .btn-success.playing {
            background: linear-gradient(135deg, #EF4444, #DC2626);
        }
        
        /* Speed */
        .speed-row {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-top: 0.75rem;
        }
        
        .speed-label {
            font-size: 0.8rem;
            color: rgba(255,255,255,0.5);
        }
        
        .speed-btns {
            display: flex;
            gap: 0.25rem;
            flex: 1;
        }
        
        .speed-btn {
            flex: 1;
            padding: 0.4rem;
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 6px;
            color: rgba(255,255,255,0.5);
            font-size: 0.75rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
        }
        
        .speed-btn:hover { background: rgba(255,255,255,0.1); color: white; }
        .speed-btn.active { background: var(--primary); border-color: var(--primary); color: white; }
        
        /* Colors */
        .colors-grid {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        
        .color-btn {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            border: 3px solid transparent;
            cursor: pointer;
            transition: all 0.2s;
            position: relative;
        }
        
        .color-btn:hover { transform: scale(1.1); }
        .color-btn.active { border-color: white; box-shadow: 0 0 20px currentColor; }
        
        .color-btn i {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 0.8rem;
            opacity: 0;
            transition: opacity 0.2s;
        }
        
        .color-btn.active i { opacity: 1; }
        
        /* Options */
        .option {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.6rem 0;
        }
        
        .option:not(:last-child) {
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        
        .option-label {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
        }
        
        .option-label i {
            width: 18px;
            color: rgba(255,255,255,0.4);
        }
        
        .toggle {
            width: 44px;
            height: 24px;
            background: rgba(255,255,255,0.1);
            border-radius: 12px;
            position: relative;
            cursor: pointer;
            transition: background 0.3s;
        }
        
        .toggle.active {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
        }
        
        .toggle::after {
            content: '';
            position: absolute;
            top: 2px;
            left: 2px;
            width: 20px;
            height: 20px;
            background: white;
            border-radius: 50%;
            transition: transform 0.3s;
        }
        
        .toggle.active::after {
            transform: translateX(20px);
        }
        
        /* Info */
        .info-card {
            background: linear-gradient(135deg, rgba(251,191,36,0.1), rgba(245,158,11,0.05));
            border: 1px solid rgba(251,191,36,0.2);
        }
        
        .info-header {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 0.75rem;
        }
        
        .info-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #F59E0B, #D97706);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .info-name {
            font-size: 1.1rem;
            font-weight: 800;
        }
        
        .info-list {
            list-style: none;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
        }
        
        .info-list li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.25rem 0;
        }
        
        .info-list i {
            width: 16px;
            color: #F59E0B;
        }
        
        /* Viewer */
        .viewer {
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255,255,255,0.06);
            border-radius: 20px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        
        .viewer-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 1.25rem;
            background: rgba(0,0,0,0.2);
            border-bottom: 1px solid rgba(255,255,255,0.05);
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        
        .viewer-title {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
        }
        
        .viewer-title i { color: var(--primary-light); }
        
        .viewer-stats {
            display: flex;
            gap: 1.5rem;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }
        
        .stat { display: flex; align-items: center; gap: 0.4rem; }
        .stat i { color: var(--primary-light); }
        .stat-val { color: white; font-weight: 700; }
        
        .viewer-btns {
            display: flex;
            gap: 0.4rem;
        }
        
        .viewer-btn {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255,255,255,0.08);
            border: none;
            border-radius: 8px;
            color: white;
            cursor: pointer;
            transition: all 0.2s;
        }
        
        .viewer-btn:hover { background: rgba(255,255,255,0.15); }
        
        #canvas-container {
            flex: 1;
            min-height: 500px;
            background: radial-gradient(ellipse at bottom, #1a1744 0%, #0a0812 100%);
            position: relative;
        }
        
        @media (max-width: 768px) {
            #canvas-container { min-height: 400px; }
        }
        
        .viewer-footer {
            display: flex;
            justify-content: center;
            gap: 2rem;
            padding: 0.75rem;
            background: rgba(0,0,0,0.2);
            font-size: 0.8rem;
            color: rgba(255,255,255,0.4);
            flex-wrap: wrap;
        }
        
        .hint {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        
        .hint i { color: var(--primary-light); }
        
        /* Loading */
        .loading {
            position: absolute;
            inset: 0;
            background: rgba(10,8,18,0.95);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            z-index: 10;
            transition: opacity 0.5s;
        }
        
        .loading.hidden { opacity: 0; pointer-events: none; }
        
        .spinner {
            width: 50px;
            height: 50px;
            border: 3px solid rgba(255,255,255,0.1);
            border-top-color: var(--primary-light);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }
        
        @keyframes spin { to { transform: rotate(360deg); } }
        
        /* Toast */
        .toast {
            position: fixed;
            top: 1.5rem;
            left: 50%;
            transform: translateX(-50%) translateY(-100px);
            background: linear-gradient(135deg, var(--accent), #059669);
            color: white;
            padding: 1rem 2rem;
            border-radius: 100px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            box-shadow: 0 10px 40px rgba(16,185,129,0.4);
            z-index: 1000;
            opacity: 0;
            transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .toast.show {
            transform: translateX(-50%) translateY(0);
            opacity: 1;
        }
        
        /* Confetti */
        .confetti-container {
            position: fixed;
            inset: 0;
            pointer-events: none;
            z-index: 999;
            overflow: hidden;
        }
        
        .confetti {
            position: absolute;
            opacity: 0;
            animation: confetti-fall 3s ease-out forwards;
        }
        
        @keyframes confetti-fall {
            0% { transform: translateY(-20px) rotate(0deg); opacity: 1; }
            100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
        }
        
        /* Face Label */
        .face-label {
            position: absolute;
            font-family: 'Poppins', sans-serif;
            font-weight: 900;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.15);
            pointer-events: none;
        }
        
        /* Patrons Grid */
        .patrons-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.5rem;
        }
        
        .patron-btn {
            padding: 0.6rem 0.8rem;
            background: rgba(255,255,255,0.02);
            border: 2px solid rgba(255,255,255,0.08);
            border-radius: 8px;
            color: rgba(255,255,255,0.6);
            font-size: 0.8rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .patron-btn:hover {
            border-color: var(--primary);
            background: rgba(99,102,241,0.1);
            color: white;
        }
        
        .patron-btn.active {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-color: transparent;
            color: white;
        }

        .patron-btn.false-pattern {
            border-color: rgba(239, 68, 68, 0.5);
            color: rgba(239, 68, 68, 0.8);
        }

        .patron-btn.false-pattern:hover {
            border-color: #ef4444;
            background: rgba(239, 68, 68, 0.1);
            color: #ef4444;
        }

        .patron-btn.false-pattern.active {
            background: linear-gradient(135deg, #ef4444, #b91c1c);
            box-shadow: 0 8px 32px rgba(239, 68, 68, 0.3);
        }

        /* Favorites bar */
        .favorites-bar {
            max-width: 1600px;
            margin: 0 auto;
            padding: 0 1.5rem 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .favorites-bar .fav-label {
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: rgba(255,255,255,0.4);
        }
        .fav-chip {
            padding: 0.35rem 0.75rem;
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: 100px;
            color: rgba(255,255,255,0.7);
            font-size: 0.78rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .fav-chip:hover { background: rgba(99,102,241,0.15); border-color: var(--primary); color: white; }
        .fav-chip .fav-remove { font-size: 0.65rem; opacity: 0.5; }
        .fav-chip .fav-remove:hover { opacity: 1; color: #ef4444; }
        .fav-star {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: none;
            border: 2px solid rgba(255,255,255,0.1);
            border-radius: 8px;
            color: rgba(255,255,255,0.3);
            cursor: pointer;
            transition: all 0.2s;
            font-size: 0.9rem;
        }
        .fav-star:hover { border-color: #F59E0B; color: #F59E0B; }
        .fav-star.active { border-color: #F59E0B; color: #F59E0B; background: rgba(245,158,11,0.15); }
        .favorites-bar.empty { display: none; }

        /* Quiz mode */
        .quiz-overlay {
            position: fixed;
            inset: 0;
            background: rgba(10,8,18,0.92);
            backdrop-filter: blur(10px);
            z-index: 500;
            display: none;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 1.5rem;
        }
        .quiz-overlay.active { display: flex; }
        .quiz-box {
            background: var(--card-bg);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 20px;
            padding: 2rem;
            max-width: 520px;
            width: 90%;
            text-align: center;
        }
        .quiz-question { font-size: 1.2rem; font-weight: 700; margin-bottom: 1.5rem; }
        .quiz-choices {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
        }
        .quiz-choice {
            padding: 1rem;
            background: rgba(255,255,255,0.04);
            border: 2px solid rgba(255,255,255,0.1);
            border-radius: 12px;
            color: rgba(255,255,255,0.8);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
        }
        .quiz-choice:hover { border-color: var(--primary); background: rgba(99,102,241,0.1); }
        .quiz-choice.correct { border-color: var(--accent); background: rgba(16,185,129,0.15); color: var(--accent); }
        .quiz-choice.wrong { border-color: #ef4444; background: rgba(239,68,68,0.15); color: #ef4444; }
        .quiz-score { font-size: 0.85rem; color: rgba(255,255,255,0.5); }
        .quiz-score strong { color: var(--primary-light); font-size: 1.1rem; }
        .quiz-close {
            position: absolute;
            top: 1.5rem;
            right: 1.5rem;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            border: none;
            color: white;
            font-size: 1.2rem;
            cursor: pointer;
        }

        /* Measurement toggle */
        .measurement-label {
            position: absolute;
            font-family: 'Poppins', sans-serif;
            font-size: 0.7rem;
            font-weight: 700;
            color: #F59E0B;
            background: rgba(0,0,0,0.6);
            padding: 0.15rem 0.4rem;
            border-radius: 4px;
            pointer-events: none;
            white-space: nowrap;
        }

        /* Print styles */
        @media print {
            body { background: white !important; color: black !important; }
            .panel, .viewer-header, .viewer-footer, .page-title, .favorites-bar,
            .toast, .confetti-container, .quiz-overlay, nav, footer, header { display: none !important; }
            .app { display: block !important; padding: 0 !important; }
            .viewer {
                border: none !important;
                background: none !important;
                backdrop-filter: none !important;
                page-break-inside: avoid;
            }
            #canvas-container {
                min-height: 0 !important;
                height: 80vh !important;
                background: white !important;
            }
            .print-info {
                display: block !important;
                text-align: center;
                padding: 1rem;
                font-family: 'Poppins', sans-serif;
                color: black;
                border-bottom: 2px solid #333;
                margin-bottom: 1rem;
            }
            .print-info h2 { font-size: 1.5rem; margin: 0 0 0.3rem; }
            .print-info p { font-size: 0.9rem; color: #555; margin: 0; }
        }
        .print-info { display: none; }

        /* Keyboard shortcut hint badge */
        .kbd {
            display: inline-block;
            padding: 0.1rem 0.35rem;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: 4px;
            font-size: 0.65rem;
            font-family: monospace;
            color: rgba(255,255,255,0.4);
            margin-left: 0.3rem;
            vertical-align: middle;
        }

/* ===== DARK MODE ===== */
[data-theme="dark"] body { background: linear-gradient(135deg, #0f172a 0%, #1a1f35 100%) !important; }
[data-theme="dark"] .ps-sidebar { background: #1e293b !important; box-shadow: 2px 0 12px rgba(0,0,0,0.4) !important; }
[data-theme="dark"] .ps-controls { background: #1e293b !important; box-shadow: 0 2px 12px rgba(0,0,0,0.4) !important; }
[data-theme="dark"] .ps-card,
[data-theme="dark"] .solid-card { background: #1e293b !important; box-shadow: 0 2px 12px rgba(0,0,0,0.3) !important; }
[data-theme="dark"] .solid-card:hover { background: #243044 !important; }
[data-theme="dark"] .solid-name { color: #e2e8f0 !important; }
[data-theme="dark"] .solid-desc { color: #94a3b8 !important; }
[data-theme="dark"] .solid-thumb { background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%) !important; }
[data-theme="dark"] .ps-label { color: #cbd5e1 !important; }
[data-theme="dark"] .ps-input,
[data-theme="dark"] .ps-select { background: #243044 !important; border-color: #334155 !important; color: #e2e8f0 !important; }
[data-theme="dark"] .ps-modal-content { background: #1e293b !important; }
[data-theme="dark"] .ps-modal-title { color: #f1f5f9 !important; }
[data-theme="dark"] .search-input { background: #243044 !important; border-color: #334155 !important; color: #e2e8f0 !important; }