.bgapp {
  --bg: #0f172a;
  --surface: #111827;
  --surface-2: #1f2937;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border: #243049;
  --accent: #38bdf8;
  --accent-2: #f59e0b;
  --ok: #22c55e;
  --warn: #f59e0b;
  --bad: #ef4444;
  --info: #38bdf8;
  --shadow-sm: 0 6px 16px rgba(0,0,0,0.08);
  --shadow-md: 0 12px 32px rgba(0,0,0,0.18);
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 14px;
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 28px;
  --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --text-sm: 13px;
  --text-md: 15px;
  --text-lg: 18px;
  --text-xl: 22px;
}
@media (prefers-color-scheme: dark) {
  .bgapp:not([data-theme]) {
    --bg: #0b1222;
    --surface: #0f172a;
    --surface-2: #1f2937;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --border: #1f2937;
  }
}
.bgapp[data-theme="dark"] { }
.bgapp[data-theme="light"] {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-2: #f3f4f6;
  --text: #0f172a;
  --muted: #6b7280;
  --border: #e5e7eb;
}
@media (prefers-reduced-motion: reduce) {
  .bgapp * { transition: none !important; animation: none !important; }
}
.bgapp {
  font-family: var(--font);
  color: var(--text);
  background: transparent;
  line-height: 1.5;
}
.bgapp .bg-page { padding: var(--s-4); max-width: 1200px; }
.bgapp .bg-header { display:flex; justify-content:space-between; gap:var(--s-3); align-items:flex-start; margin-bottom:var(--s-4); }
.bgapp .bg-title { font-size: var(--text-xl); margin:0; }
.bgapp .bg-subtitle { color: var(--muted); margin: var(--s-1) 0 0; font-size: var(--text-md); }
.bgapp .bg-topbar { display:flex; gap:var(--s-2); flex-wrap:wrap; align-items:center; justify-content:flex-end; }
.bgapp .bg-pill { display:inline-flex; align-items:center; gap:6px; padding:4px 10px; border-radius:999px; background: var(--surface-2); border:1px solid var(--border); color:var(--text); font-size: var(--text-sm); }
.bgapp .bg-pill--ok { background: rgba(34,197,94,0.12); color:#22c55e; }
.bgapp .bg-pill--warn { background: rgba(245,158,11,0.15); color:#f59e0b; }
.bgapp .bg-pill--bad { background: rgba(239,68,68,0.12); color:#ef4444; }
.bgapp .bg-pill--info { background: rgba(56,189,248,0.15); color:#38bdf8; }
.bgapp .bg-card { background: var(--surface); border:1px solid var(--border); border-radius: var(--r-md); padding: var(--s-4); box-shadow: var(--shadow-sm); }
.bgapp .bg-card__header { display:flex; justify-content:space-between; align-items:center; margin-bottom: var(--s-3); }
.bgapp .bg-card__body { display:block; }
.bgapp .bg-card__footer { margin-top: var(--s-3); display:flex; gap:var(--s-2); flex-wrap:wrap; }
.bgapp .bg-card--elevated { box-shadow: var(--shadow-md); }
.bgapp .bg-card--danger { border-color: rgba(239,68,68,0.4); }
.bgapp .bg-toolbar { display:flex; gap:var(--s-2); flex-wrap:wrap; align-items:flex-end; }
.bgapp .bg-toolbar__group { display:flex; gap:var(--s-2); flex-wrap:wrap; align-items:flex-end; }
.bgapp .bg-field { display:flex; flex-direction:column; gap:4px; min-width:160px; }
.bgapp .bg-label { font-size: var(--text-sm); color: var(--muted); }
.bgapp .bg-input, .bgapp .bg-select, .bgapp .bg-textarea { background: var(--surface-2); color:var(--text); border:1px solid var(--border); border-radius: var(--r-sm); padding: var(--s-2) var(--s-3); }
.bgapp .bg-input:focus-visible, .bgapp .bg-select:focus-visible, .bgapp .bg-textarea:focus-visible { outline:2px solid var(--accent); outline-offset:2px; }
.bgapp .bg-btn { display:inline-flex; align-items:center; justify-content:center; gap:6px; padding: var(--s-2) var(--s-3); border-radius: var(--r-md); border:1px solid transparent; cursor:pointer; font-size: var(--text-md); transition: transform 120ms ease, box-shadow 120ms ease; }
.bgapp .bg-btn:focus-visible { outline:2px solid var(--accent); outline-offset:2px; }
.bgapp .bg-btn[disabled] { opacity:0.6; cursor:not-allowed; }
.bgapp .bg-btn--primary { background: var(--accent); color:#0b1222; }
.bgapp .bg-btn--secondary { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.bgapp .bg-btn--ghost { background: transparent; color: var(--text); border-color: transparent; }
.bgapp .bg-btn--danger { background: rgba(239,68,68,0.15); color:#ef4444; border-color: rgba(239,68,68,0.25); }
.bgapp .bg-grid { display:grid; gap: var(--s-3); }
.bgapp .bg-grid--clips { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.bgapp .bg-badge { padding:2px 8px; border-radius: var(--r-sm); background: var(--surface-2); color: var(--muted); font-size: var(--text-sm); }
.bgapp .bg-empty { padding: var(--s-4); border:1px dashed var(--border); border-radius: var(--r-md); text-align:center; color: var(--muted); }
.bgapp .bg-modal-overlay { position:fixed; inset:0; background:rgba(0,0,0,0.6); display:none; align-items:center; justify-content:center; z-index:9999; }
.bgapp .bg-modal { background: var(--surface); color: var(--text); border-radius: var(--r-lg); padding: var(--s-4); max-width: 900px; width: min(900px, 95vw); box-shadow: var(--shadow-md); }
.bgapp .bg-modal__title { font-size: var(--text-lg); margin-top:0; }
.bgapp .bg-modal__body { margin: var(--s-3) 0; }
.bgapp .bg-modal__actions { display:flex; gap:var(--s-2); flex-wrap:wrap; justify-content:flex-end; }
.bgapp .bg-toast-stack { position:fixed; top:var(--s-4); right:var(--s-4); display:flex; flex-direction:column; gap:var(--s-2); z-index:99999; }
@media (max-width:640px){ .bgapp .bg-toast-stack { right: var(--s-2); left: var(--s-2); top:auto; bottom: var(--s-2); } }
.bgapp .bg-toast { background: var(--surface); color: var(--text); border:1px solid var(--border); border-radius: var(--r-md); padding: var(--s-3); box-shadow: var(--shadow-sm); }
.bgapp .bg-toast.ok { border-color: rgba(34,197,94,0.4); }
.bgapp .bg-toast.warn { border-color: rgba(245,158,11,0.4); }
.bgapp .bg-toast.bad { border-color: rgba(239,68,68,0.4); }
.bgapp .bg-skeleton { border-radius: var(--r-sm); background: linear-gradient(90deg, rgba(255,255,255,0.05) 25%, rgba(255,255,255,0.12) 50%, rgba(255,255,255,0.05) 75%); background-size:200% 100%; animation: bg-skel 1.4s ease infinite; }
@keyframes bg-skel { to { background-position:-200% 0; } }
.bgapp .bg-help { color: var(--muted); font-size: var(--text-sm); }
.bgapp .bg-card--clip { display:flex; flex-direction:column; gap: var(--s-3); }
.bgapp .bg-card--clip .bg-card__header { align-items:flex-start; gap: var(--s-3); }
.bgapp .bgad-clip-thumb { width: 120px; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--r-sm); background: var(--surface-2); }
.bgapp .bgad-final-thumb { display:flex; align-items:center; justify-content:center; font-weight:600; color: var(--muted); letter-spacing:0.08em; }
.bgapp .bg-card--clip .bg-card__body { display:flex; flex-direction:column; gap: var(--s-2); }
.bgapp .bg-card--clip h3 { margin:0; font-size: var(--text-lg); line-height:1.3; }
.bgapp .bgad-clip-meta { display:flex; flex-direction:column; gap:4px; min-width:0; }
.bgapp .bgad-clip-sub, .bgapp .bgad-clip-score { color: var(--muted); font-size: var(--text-sm); }
.bgapp .bg-card--clip .bg-card__footer { gap: var(--s-2); flex-wrap:wrap; }
.bgapp .bg-card--clip .bg-btn { flex: 1 1 140px; }
.bgapp .bg-grid--clips .bg-card { min-height: 100%; }
.bgapp .bg-card--clip .bgad-dir-muted { margin:0; }
.bgapp #bgad-refine-log { background: var(--surface-2); border-radius: var(--r-md); padding: var(--s-3); border:1px solid var(--border); }
.bgapp #bgad-refine-progress-bar { background: var(--surface-2); }
.bgapp .bg-card--clip .bgad-clip-thumb + .bgad-clip-meta { flex:1; min-width:0; }
.bgapp .bg-card--clip .bg-card__header > * { flex-shrink:0; }
.bgapp .bg-card--clip .bg-card__header { flex-wrap:wrap; }

.bgapp .bgad-se-preview {
  width: 100%;
  max-height: 420px;
  background: #000;
  border-radius: var(--r-md);
}

.bgapp .bgad-segment-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.bgapp .bgad-segment-table th,
.bgapp .bgad-segment-table td {
  text-align: left;
  padding: 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.bgapp .bgad-segment-reasons,
.bgapp .bgad-segment-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}