:root {
  --bg: #0b0d12;
  --bg-2: #121620;
  --card: #161b26;
  --card-2: #1c2230;
  --border: #262d3d;
  --text: #e7ecf3;
  --muted: #8b95a7;
  --primary: #6d5cff;
  --primary-2: #9b8cff;
  --accent: #22d3ee;
  --danger: #ff5c72;
  --success: #34d399;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(0,0,0,.4);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 600px at 80% -10%, rgba(109,92,255,.18), transparent 60%),
              radial-gradient(900px 500px at -10% 110%, rgba(34,211,238,.12), transparent 55%),
              var(--bg);
  color: var(--text);
  font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary-2); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
.container { max-width: 1080px; margin: 0 auto; padding: 24px; }

/* Top bar */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; border-bottom: 1px solid var(--border);
  background: rgba(18,22,32,.6); backdrop-filter: blur(12px);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }
.brand .logo {
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: grid; place-items: center; font-size: 18px;
}
.topbar-actions { display: flex; align-items: center; gap: 14px; }
.user-chip { color: var(--muted); font-size: 14px; }

/* Buttons */
.btn {
  border: 1px solid var(--border); background: var(--card-2); color: var(--text);
  padding: 10px 16px; border-radius: 10px; font-size: 14px; font-weight: 600;
  transition: .15s; display: inline-flex; align-items: center; gap: 8px;
}
.btn:hover { border-color: var(--primary); transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #7a67ff); border: none; color: #fff;
  box-shadow: 0 6px 20px rgba(109,92,255,.35);
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; }
.btn-danger { color: var(--danger); border-color: rgba(255,92,114,.3); background: rgba(255,92,114,.08); }
.btn-sm { padding: 6px 12px; font-size: 13px; }

/* Cards */
.card {
  background: linear-gradient(180deg, var(--card), var(--card-2));
  border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-pad { padding: 22px; }

/* Auth */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-card { width: 100%; max-width: 400px; }
.auth-card h1 { margin: 0 0 4px; font-size: 24px; }
.auth-card .sub { color: var(--muted); margin: 0 0 22px; font-size: 14px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg-2); color: var(--text); font-size: 15px; outline: none;
}
.field input:focus { border-color: var(--primary); }
.tabs { display: flex; gap: 8px; margin-bottom: 20px; background: var(--bg-2); padding: 4px; border-radius: 12px; }
.tab { flex: 1; text-align: center; padding: 10px; border-radius: 9px; color: var(--muted); font-weight: 600; font-size: 14px; }
.tab.active { background: var(--card-2); color: var(--text); }
.error-msg { color: var(--danger); font-size: 13px; margin-top: 4px; min-height: 18px; }

/* Upload zone */
.upload-zone {
  border: 2px dashed var(--border); border-radius: var(--radius); padding: 40px;
  text-align: center; transition: .2s; cursor: pointer; background: rgba(109,92,255,.03);
}
.upload-zone:hover, .upload-zone.drag { border-color: var(--primary); background: rgba(109,92,255,.08); }
.upload-zone .big { font-size: 40px; margin-bottom: 8px; }
.upload-zone .muted { color: var(--muted); font-size: 14px; }

/* Media grid */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin-top: 20px; }
.media-card { padding: 18px; cursor: pointer; transition: .15s; }
.media-card:hover { transform: translateY(-2px); border-color: var(--primary); }
.media-card .thumb {
  height: 120px; border-radius: 10px; margin-bottom: 12px;
  background: linear-gradient(135deg, #1e2536, #2a3350); display: grid; place-items: center; font-size: 36px;
}
.media-card h3 { margin: 0 0 6px; font-size: 15px; }
.media-card .meta { color: var(--muted); font-size: 12px; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 700; }
.badge.processing { background: rgba(251,191,36,.15); color: #fbbf24; }
.badge.done { background: rgba(52,211,153,.15); color: var(--success); }
.badge.error { background: rgba(255,92,114,.15); color: var(--danger); }

/* Detail */
.detail-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; margin-top: 20px; }
@media (max-width: 860px) { .detail-grid { grid-template-columns: 1fr; } }
video { width: 100%; border-radius: 12px; background: #000; display: block; }
.section-title { font-size: 14px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 0 0 12px; }
.scene { display: flex; gap: 12px; padding: 12px; border-radius: 10px; background: var(--bg-2); margin-bottom: 10px; cursor: pointer; transition: .12s; }
.scene:hover { background: var(--card-2); }
.scene .ts { color: var(--accent); font-weight: 700; font-size: 13px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.scene .label { font-weight: 600; font-size: 14px; margin-bottom: 2px; }
.scene .desc { color: var(--muted); font-size: 13px; line-height: 1.4; }
.transcript { white-space: pre-wrap; line-height: 1.7; font-size: 14px; color: #cfd6e2; max-height: 340px; overflow: auto; }

.empty { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty .big { font-size: 48px; margin-bottom: 12px; }
.spinner { width: 18px; height: 18px; border: 2px solid rgba(255,255,255,.2); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Modal */
.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: none; place-items: center; z-index: 100; padding: 20px; }
.modal-bg.open { display: grid; }
.modal { width: 100%; max-width: 480px; }
.modal textarea { width: 100%; min-height: 90px; padding: 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg-2); color: var(--text); font-family: inherit; resize: vertical; }
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--card-2); border: 1px solid var(--border); padding: 12px 20px; border-radius: 12px; box-shadow: var(--shadow); z-index: 200; opacity: 0; transition: .25s; pointer-events: none; }
.toast.show { opacity: 1; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.progress { height: 6px; background: var(--bg-2); border-radius: 4px; overflow: hidden; margin-top: 14px; }
.progress > div { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); width: 0%; transition: width .2s; }