/* ================================================
   GFS VIEWER - Design professionnel et responsive
   ================================================ */

:root {
    --primary: #667eea;
    --primary-dark: #5568d3;
    --secondary: #764ba2;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --text-dark: #1e293b;
    --text-gray: #64748b;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
}

.gfs-viewer {
    max-width: 1600px;
    margin: 0 auto;
    padding: 2rem 1rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

/* ==================== EN-TÊTE ==================== */
.viewer-header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.6s ease-out;
}

.viewer-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 0 0.5rem 0;
    letter-spacing: -0.02em;
}

.viewer-subtitle {
    color: var(--text-gray);
    font-size: clamp(1rem, 2vw, 1.25rem);
    margin: 0;
}

/* ==================== SÉLECTEUR DE TYPE ==================== */
.map-type-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
    animation: fadeIn 0.8s ease-out 0.2s both;
}

.map-type-card {
    position: relative;
    background: var(--bg-white);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    cursor: pointer;
    transition: var(--transition);
    overflow: hidden;
    text-align: center;
}

.map-type-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--card-color, var(--primary));
    transform: scaleX(0);
    transition: var(--transition);
}

.map-type-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--card-color);
}

.map-type-card:hover::before {
    transform: scaleX(1);
}

.map-type-card.active {
    border-color: var(--card-color);
    background: linear-gradient(to bottom, rgba(102, 126, 234, 0.05), var(--bg-white));
    box-shadow: var(--shadow-md);
}

.map-type-card.active::before {
    transform: scaleX(1);
}

.map-type-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.map-type-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.map-type-count {
    font-size: 0.8rem;
    color: var(--text-gray);
}

/* ==================== LECTEUR PRINCIPAL ==================== */
.main-player {
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* Zone d'affichage */
.image-display {
    position: relative;
    width: 100%;
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.map-image {
    max-width: 800px;
    width: 100%;
    height: auto;
    display: block;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.map-image.loaded {
    opacity: 1;
}

.loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: none;
}

.loading-spinner.active {
    display: block;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(102, 126, 234, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ==================== TIMELINE ==================== */
.timeline-section {
    padding: 2rem;
    background: var(--bg-light);
    border-top: 1px solid var(--border);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.timeline-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-dark);
    font-weight: 600;
}

.timeline-stats {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    background: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

.timeline-wrapper {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
}

.timeline-grid {
    display: flex;
    gap: 0.75rem;
    padding-bottom: 0.5rem;
}

.timeline-item {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    background: white;
    border: 2px solid var(--border);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.timeline-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.timeline-item.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-color: var(--primary);
    color: white;
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.timeline-hour {
    font-size: 1.1rem;
    font-weight: 700;
}

.timeline-label {
    font-size: 0.7rem;
    opacity: 0.8;
}

/* ==================== CONTRÔLES ==================== */
.player-controls {
    padding: 2rem;
    background: var(--bg-white);
    border-top: 1px solid var(--border);
}

.control-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.ctrl-btn {
    width: 56px;
    height: 56px;
    border: none;
    background: var(--bg-light);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.ctrl-btn svg {
    width: 24px;
    height: 24px;
    color: var(--text-dark);
}

.ctrl-btn:hover {
    background: var(--primary);
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.ctrl-btn:hover svg {
    color: white;
}

.ctrl-btn:active {
    transform: scale(0.95);
}

.ctrl-btn-play {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    box-shadow: var(--shadow-md);
}

.ctrl-btn-play svg {
    width: 32px;
    height: 32px;
    color: white;
}

.ctrl-btn-play .icon-pause {
    display: none;
}

.ctrl-btn-play.playing .icon-play {
    display: none;
}

.ctrl-btn-play.playing .icon-pause {
    display: block;
}

.ctrl-btn-play.playing {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

/* Paramètres de lecture */
.playback-settings {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.setting-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.setting-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.setting-group svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.setting-group select {
    padding: 0.625rem 1rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: white;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}

.setting-group select:hover,
.setting-group select:focus {
    border-color: var(--primary);
    outline: none;
}

.setting-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary);
}

/* ==================== FOOTER ==================== */
.viewer-footer {
    text-align: center;
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: var(--radius);
    animation: fadeIn 1s ease-out 0.6s both;
}

.viewer-footer p {
    margin: 0.5rem 0;
    color: var(--text-gray);
    font-size: 0.95rem;
}

.viewer-footer .tips {
    color: var(--text-dark);
    font-size: 0.9rem;
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .gfs-viewer {
        padding: 1rem 0.5rem;
    }

    .map-type-selector {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .map-type-card {
        padding: 0.75rem;
    }

    .map-type-icon {
        font-size: 1.5rem;
    }

    .image-display {
        min-height: 300px;
        padding: 0.5rem;
    }

    .map-image {
        max-width: 100%;
    }

    .timeline-section {
        padding: 1.5rem 1rem;
    }

    .timeline-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .timeline-item {
        width: 60px;
        height: 60px;
    }

    .player-controls {
        padding: 1.5rem 1rem;
    }

    .ctrl-btn {
        width: 48px;
        height: 48px;
    }

    .ctrl-btn-play {
        width: 64px;
        height: 64px;
    }

    .playback-settings {
        gap: 1rem;
    }

    .setting-group {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .map-type-selector {
        grid-template-columns: 1fr;
    }
}