@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,300&family=JetBrains+Mono:wght@400;500&display=swap');

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

:root {
    --accent: #00c896;
    --accent-soft: #e6faf4;
    --accent-dim: rgba(0, 200, 150, 0.15);
    --dark: #0d1117;
    --card-bg: #ffffff;
    --text-primary: #0d1117;
    --text-muted: #6b7280;
    --border: #e5e7eb;
}

body {
    font-family: 'DM Sans', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: #f5f7fa;
    min-height: 100vh;
}

h1, h2 { font-family: 'Syne', sans-serif; }

.bg-grid {
    position: fixed; inset: 0; z-index: 0; pointer-events: none;
    background-image:
            linear-gradient(rgba(0, 200, 150, 0.04) 1px, transparent 1px),
            linear-gradient(90deg, rgba(0, 200, 150, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
}

.hero {
    position: relative; z-index: 1;
    padding: 5rem 2rem 0;
    text-align: center;
    display: flex; flex-direction: column; align-items: center;
}

.badge {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--accent); background: var(--accent-dim);
    border: 1px solid rgba(0, 200, 150, 0.3); border-radius: 100px;
    padding: 0.3rem 0.9rem; margin-bottom: 1.4rem;
    animation: fadeDown 0.5s ease both;
}

.hero h1 {
    font-size: clamp(2.4rem, 6vw, 3.8rem); font-weight: 800;
    color: var(--dark); letter-spacing: -0.02em;
    animation: fadeDown 0.5s 0.1s ease both;
}

.title-accent { color: var(--accent); }

.tagline {
    font-size: 1.05rem; color: var(--text-muted);
    margin-top: 0.6rem; font-weight: 300;
    animation: fadeDown 0.5s 0.2s ease both;
}

.container {
    position: relative; z-index: 1;
    max-width: 660px; margin: 0 auto; padding: 0 1.5rem;
}

/* cartes */
.main-card, .results-card, .demo-card, .history-card {
    background: var(--card-bg);
    border-radius: 24px; border: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05), 0 20px 60px rgba(0,0,0,0.07);
    margin-bottom: 3rem; overflow: hidden;
    animation: fadeUp 0.4s ease both;
}

.main-card { animation: fadeUp 0.5s 0.3s ease both; }

.upload-section { padding: 2.5rem; }

.upload-section h2 { font-size: 1.4rem; font-weight: 700; margin-bottom: 0.35rem; }
.upload-section > p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 2rem; font-weight: 300; }

.input-group { display: flex; flex-direction: column; gap: 0.5rem; }

.input-group label {
    font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.88rem;
    color: var(--text-primary); display: flex; align-items: center; gap: 0.4rem;
}

.label-icon { font-size: 1rem; }

.input-group input[type="url"] {
    padding: 0.8rem 1.1rem; border: 1.5px solid var(--border); border-radius: 12px;
    font-family: 'DM Sans', sans-serif; font-size: 0.92rem; color: var(--text-primary);
    background: #fafafa; outline: none; transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group input[type="url"]:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
    background: white;
}

.input-group input[type="url"]::placeholder {
    color: #adb5bd; font-family: 'JetBrains Mono', monospace; font-size: 0.82rem;
}

.file-wrapper { position: relative; }

.file-wrapper input[type="file"] {
    position: absolute; inset: 0; opacity: 0; cursor: pointer; z-index: 2;
}

.file-custom {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.9rem 1.1rem; border: 1.5px dashed #d1d5db; border-radius: 12px;
    background: #fafafa; color: var(--text-muted); font-size: 0.9rem; cursor: pointer;
    transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.file-wrapper:hover .file-custom { border-color: var(--accent); background: var(--accent-soft); color: #00a67d; }
.file-custom svg { flex-shrink: 0; opacity: 0.6; }

/* sélection du programme */
.programme-select { margin-top: 1.6rem; display: flex; flex-direction: column; gap: 0.5rem; }

.programme-label {
    font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.88rem;
    color: var(--text-primary); display: flex; align-items: center; gap: 0.4rem;
}

.programme-options { display: flex; flex-direction: column; gap: 0.5rem; }

.programme-option {
    display: flex; flex-direction: column; gap: 0.1rem;
    padding: 0.75rem 1rem; border: 1.5px solid var(--border); border-radius: 12px;
    background: #fafafa; cursor: pointer; transition: border-color 0.2s, background 0.2s;
}

.programme-option input[type="radio"] { display: none; }

.programme-option span { font-weight: 600; font-size: 0.88rem; color: var(--text-primary); }
.programme-option small { font-size: 0.78rem; color: var(--text-muted); }

.programme-option.active,
.programme-option:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.programme-option.active span { color: #00a67d; }

/* séparateur */
.separator {
    display: flex; align-items: center; gap: 1rem; margin: 1.6rem 0;
    font-size: 0.82rem; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase;
}

.separator::before, .separator::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.separator span { color: #adb5bd; }

/* bouton analyser */
.submit-btn {
    display: flex; align-items: center; justify-content: center; gap: 0.6rem;
    width: 100%; margin-top: 2rem; padding: 0.9rem 1.5rem;
    background: var(--dark); color: white; border: none; border-radius: 12px;
    font-family: 'Syne', sans-serif; font-size: 0.95rem; font-weight: 700;
    cursor: pointer; transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

.submit-btn:hover { background: #1a2332; box-shadow: 0 6px 20px rgba(13,17,23,0.2); transform: translateY(-1px); }
.submit-btn:active { transform: translateY(0); }
.submit-btn svg { transition: transform 0.2s; }
.submit-btn:hover svg { transform: translateX(3px); }

/* erreur */
.hidden { display: none !important; }

.error-box {
    margin-top: 1rem; padding: 0.75rem 1rem;
    background: #fff0f0; border: 1.5px solid #fca5a5;
    border-radius: 10px; color: #b91c1c; font-size: 0.88rem;
}

/* résultats */
.results-header { padding: 1.8rem 2.5rem 1.2rem; border-bottom: 1px solid var(--border); }
.results-header h2 { font-size: 1.4rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.2rem; }
.results-header p { font-size: 0.88rem; color: var(--text-muted); font-weight: 300; }

.video-wrapper { background: #000; width: 100%; line-height: 0; }
.video-wrapper video { width: 100%; max-height: 420px; object-fit: contain; display: block; }

.results-actions { padding: 1.5rem 2.5rem 2rem; display: flex; gap: 0.75rem; flex-wrap: wrap; }

.action-btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.75rem 1.3rem; border-radius: 12px;
    font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.88rem;
    text-decoration: none; border: none; cursor: pointer;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

.action-btn:hover  { transform: translateY(-1px); }
.action-btn:active { transform: translateY(0); }

.btn-download { background: var(--accent); color: white; }
.btn-download:hover { background: #00a67d; box-shadow: 0 4px 14px rgba(0,200,150,0.3); }

.btn-replay { background: var(--dark); color: white; }
.btn-replay:hover { background: #1a2332; box-shadow: 0 4px 14px rgba(13,17,23,0.2); }
.btn-replay:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* historique */
.history-list { padding: 1rem 2.5rem 2rem; display: flex; flex-direction: column; gap: 0.75rem; }

.history-item {
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    padding: 1rem 1.2rem; background: #f5f7fa;
    border: 1px solid var(--border); border-radius: 14px;
}

.history-info { display: flex; flex-direction: column; gap: 0.2rem; overflow: hidden; }

.history-source {
    font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.88rem;
    color: var(--text-primary); white-space: nowrap; overflow: hidden;
    text-overflow: ellipsis; max-width: 280px;
}

.history-meta { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: var(--text-muted); }

.history-btns { display: flex; gap: 0.5rem; flex-shrink: 0; flex-wrap: wrap; }
.history-btn  { font-size: 0.8rem; padding: 0.5rem 1rem; }

/* décorations */
.deco {
    position: fixed; top: 0; bottom: 0; width: 300px;
    pointer-events: none; z-index: 0;
    display: flex; flex-direction: column; justify-content: center; align-items: center;
}

.deco-left  { left: 0; padding-left: 1.5rem; align-items: flex-start; gap: 2.5rem; }
.deco-right { right: 0; padding-right: 1rem; align-items: flex-end; justify-content: flex-end; padding-bottom: 2rem; }
.deco-robot { width: 260px; filter: drop-shadow(0 12px 32px rgba(0,0,0,0.1)); }
.deco-sticker { filter: drop-shadow(0 4px 12px rgba(0,0,0,0.07)); }
.sticker-top { width: 230px; }
.sticker-bottom { width: 210px; }

/* footer */
.footer { position: relative; z-index: 1; text-align: center; padding: 2rem; color: var(--text-muted); font-size: 0.88rem; }
.footer a { color: var(--text-muted); text-decoration: none; font-weight: 500; transition: color 0.2s; }
.footer a:hover { color: var(--accent); }

/* animations */
@keyframes fadeDown { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeUp   { from { opacity: 0; transform: translateY(16px);  } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 1200px) { .deco { display: none; } }

@media (max-width: 768px) {
    .hero { padding: 3rem 1rem 2rem; }
    .container { padding: 0 1rem; }
    .upload-section { padding: 1.8rem; }
}
/* ── section live ──────────────────────────────────────────────────────── */

.live-card {
    background: var(--card-bg);
    border-radius: 24px;
    border: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05), 0 20px 60px rgba(0,0,0,0.07);
    margin-bottom: 3rem;
    overflow: hidden;
    animation: fadeUp 0.4s 0.35s ease both;
}

.live-body {
    padding: 1.5rem 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

/* zone caméra */
.live-preview-wrapper {
    position: relative;
    background: #0d1117;
    border-radius: 14px;
    overflow: hidden;
    width: 100%;
    aspect-ratio: 16/9;
    line-height: 0;
}

/* miroir : naturel pour l'utilisateur */
.live-preview-wrapper video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transform: scaleX(-1);
}

/* canvas landmarks par-dessus la vidéo */
#live-landmark-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.live-badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    z-index: 2;
    background: #ef4444;
    color: white;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
    border-radius: 100px;
    animation: pulse-live 1.5s ease-in-out infinite;
}

@keyframes pulse-live {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.5; }
}

/* bandeau statut */
.live-status-bar {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0.9rem;
    background: #f5f7fa;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    background: #9ca3af;
    transition: background 0.3s;
}

/* dot en-tête */
.live-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #d1d5db;
    margin-right: 0.5rem;
    vertical-align: middle;
    transition: background 0.3s;
}

.live-dot.active {
    background: #ef4444;
    animation: pulse-live 1.5s ease-in-out infinite;
}

/* stats détection */
.live-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.stat-item {
    background: #f5f7fa;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.55rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.stat-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.63rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.stat-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.83rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* boutons live */
.live-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn-live-start {
    background: var(--accent);
    color: white;
}

.btn-live-start:hover {
    background: #00a67d;
    box-shadow: 0 4px 14px rgba(0,200,150,0.3);
}

.btn-live-stop {
    background: #ef4444;
    color: white;
}

.btn-live-stop:hover {
    background: #dc2626;
    box-shadow: 0 4px 14px rgba(239,68,68,0.3);
}

.btn-live-stop:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* miniatures historique */
.history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: #f5f7fa;
    border: 1px solid var(--border);
    border-radius: 14px;
}

.history-thumb-wrapper {
    position: relative;
    width: 116px;
    height: 68px;
    flex-shrink: 0;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    background: #0d1117;
}

.history-thumb-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.thumb-unavailable {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e5e7eb;
    color: var(--text-muted);
    font-size: 0.68rem;
    text-align: center;
    line-height: 1.3;
    padding: 0.3rem;
    cursor: default;
}

.thumb-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0);
    transition: background 0.2s;
}

.history-thumb-wrapper:hover .thumb-overlay {
    background: rgba(0,0,0,0.45);
}

.thumb-play-icon {
    color: white;
    font-size: 1.3rem;
    opacity: 0;
    transition: opacity 0.2s;
    filter: drop-shadow(0 1px 4px rgba(0,0,0,0.6));
}

.history-thumb-wrapper:hover .thumb-play-icon {
    opacity: 1;
}

.history-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    overflow: hidden;
    flex: 1;
}

.history-source {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 240px;
}

.history-meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.history-btns {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
    flex-wrap: wrap;
}

.history-btn { font-size: 0.8rem; padding: 0.5rem 1rem; }

/* modale */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0,0,0,0.72);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-overlay.hidden { display: none !important; }

.modal-box {
    background: var(--card-bg);
    border-radius: 20px;
    width: 100%;
    max-width: 640px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0,0,0,0.45);
    animation: scaleIn 0.18s cubic-bezier(0.34,1.56,0.64,1) both;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 1.4rem;
    border-bottom: 1px solid var(--border);
}

.modal-title {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 520px;
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-muted);
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    transition: background 0.15s, color 0.15s;
    flex-shrink: 0;
    margin-left: 0.75rem;
}

.modal-close:hover { background: #f3f4f6; color: var(--text-primary); }

.modal-video-wrapper { background: #000; line-height: 0; }
.modal-video-wrapper video { width: 100%; max-height: 360px; object-fit: contain; display: block; }

.modal-footer {
    padding: 1.1rem 1.4rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.93); }
    to   { opacity: 1; transform: scale(1); }
}

@media (max-width: 768px) {
    .live-body { padding: 1.2rem 1.4rem 1.6rem; }
    .live-stats { grid-template-columns: repeat(2, 1fr); }
    .history-thumb-wrapper { width: 88px; height: 52px; }
    .history-source { max-width: 140px; }
    .modal-box { border-radius: 14px; }
    .modal-video-wrapper video { max-height: 240px; }
}

.btn-sim {
    background: #6366f1;
    color: white;
}
.btn-sim:hover {
    background: #4f46e5;
    box-shadow: 0 4px 14px rgba(99,102,241,0.35);
}
.btn-sim:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}