:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --text: #1c1f24;
  --muted: #667085;
  --border: #e3e6eb;
  --primary: #1f6feb;
  --primary-text: #ffffff;
  --danger: #d92d20;
  --warning: #f79009;
  --ok: #12b76a;
  --chip: #eef1f5;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317;
    --panel: #1a1d23;
    --text: #e6e8eb;
    --muted: #98a2b3;
    --border: #2b3038;
    --primary: #3b82f6;
    --chip: #242932;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--primary); }
h2 { margin: 0 0 4px; font-size: 18px; }
h3 { margin: 0 0 8px; font-size: 15px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.hidden { display: none !important; }

.topbar { display: flex; justify-content: space-between; align-items: center; padding: 10px 20px; background: var(--panel); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 600; font-size: 16px; display: flex; gap: 8px; align-items: baseline; }
.brand .muted { font-weight: 400; font-size: 13px; }
.logo { color: var(--warning); }

.layout { display: grid; grid-template-columns: 260px 1fr; min-height: calc(100vh - 53px); }
.sidebar { border-right: 1px solid var(--border); padding: 16px; background: var(--panel); }
.sidebar h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin-bottom: 10px; }
main { padding: 20px; min-width: 0; }

.job-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.job-list li { padding: 8px 10px; border-radius: 8px; cursor: pointer; border: 1px solid transparent; }
.job-list li:hover { background: var(--chip); }
.job-list li.active { border-color: var(--primary); background: var(--chip); }
.job-list .name { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.job-list .sub { font-size: 12px; color: var(--muted); display: flex; gap: 6px; align-items: center; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; background: var(--chip); color: var(--muted); }
.badge.done { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.badge.running, .badge.queued { background: color-mix(in srgb, var(--primary) 18%, transparent); color: var(--primary); }
.badge.failed, .badge.violation { background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); }
.badge.warning { background: color-mix(in srgb, var(--warning) 18%, transparent); color: var(--warning); }
.badge.demo { background: color-mix(in srgb, var(--warning) 18%, transparent); color: var(--warning); align-self: center; }

.btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--panel); color: var(--text); cursor: pointer; font: inherit; font-weight: 500; }
.btn:hover { filter: brightness(.97); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--danger); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 16px 20px; box-shadow: var(--shadow); }
.card.center { max-width: 520px; margin: 60px auto; text-align: center; }
.card.info { margin-top: 16px; }
.card.info ul { margin: 0 0 8px; padding-left: 18px; }

.dropzone { border: 2px dashed var(--border); border-radius: 14px; padding: 48px 20px; text-align: center; background: var(--panel); }
.dropzone.over { border-color: var(--primary); }
.dropzone .big { font-size: 18px; font-weight: 600; margin: 0; }

.progress { height: 8px; background: var(--chip); border-radius: 999px; overflow: hidden; margin: 16px auto 4px; max-width: 420px; }
.progress .bar { height: 100%; width: 0; background: var(--primary); transition: width .3s; }

.view-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.note { padding: 8px 12px; border-radius: 8px; background: color-mix(in srgb, var(--primary) 12%, transparent); margin-bottom: 12px; font-size: 13px; }

.setup-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 16px; align-items: start; }
.canvas-wrap { background: #000; border-radius: 12px; padding: 8px; display: flex; flex-direction: column; align-items: center; }
#zone-canvas { max-width: 100%; max-height: 70vh; cursor: crosshair; border-radius: 6px; }
.frame-picker { width: 100%; color: #ddd; padding: 8px 4px 0; }
.frame-picker input { width: 100%; }
.zone-panel { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 14px; }
.row { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.zone-list { list-style: none; padding: 0; margin: 0 0 10px; display: flex; flex-direction: column; gap: 8px; }
.zone-list li { border: 1px solid var(--border); border-radius: 8px; padding: 8px; display: grid; gap: 6px; }
.zone-list input[type=text], .zone-list input[type=number], .zone-list select { width: 100%; padding: 5px 7px; border-radius: 6px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font: inherit; }
.zone-list .zrow { display: flex; gap: 6px; align-items: center; }
.zone-list .swatch { width: 12px; height: 12px; border-radius: 3px; background: var(--danger); flex: none; }

.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.chip { background: var(--panel); border: 1px solid var(--border); border-radius: 999px; padding: 4px 12px; font-size: 13px; }
.chip b { font-variant-numeric: tabular-nums; }

.results-grid { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 16px; align-items: start; }
video { width: 100%; max-height: 70vh; background: #000; border-radius: 12px; }
.timeline { position: relative; height: 18px; background: var(--chip); border-radius: 6px; margin-top: 8px; overflow: hidden; cursor: pointer; }
.timeline .seg { position: absolute; top: 3px; bottom: 3px; border-radius: 3px; background: var(--danger); opacity: .85; min-width: 3px; }
.timeline .seg.warning { background: var(--warning); }
.timeline .cursor { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--text); pointer-events: none; }

.event-panel { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 14px; max-height: 78vh; overflow: auto; }
.event-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.event-list li { display: grid; grid-template-columns: 96px 1fr; gap: 10px; border: 1px solid var(--border); border-radius: 10px; padding: 8px; cursor: pointer; }
.event-list li:hover, .event-list li.current { border-color: var(--primary); }
.event-list img { width: 96px; height: 72px; object-fit: cover; border-radius: 6px; background: #000; }
.event-list .title { font-weight: 600; font-size: 13px; }
.event-list .meta { font-size: 12px; color: var(--muted); }

.disclaimer { margin-top: 14px; }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 8px; z-index: 20; }

.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login-wrap { width: 100%; max-width: 360px; }
.login-card { display: flex; flex-direction: column; gap: 6px; padding: 28px 24px; }
.login-brand { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 20px; }
.login-sub { margin: 0 0 14px; }
.login-card label { font-size: 13px; font-weight: 500; margin-top: 6px; }
.login-card input { padding: 9px 11px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font: inherit; }
.login-card input:focus { outline: 2px solid var(--primary); outline-offset: 0; border-color: var(--primary); }
.login-error { color: var(--danger); font-size: 13px; margin: 8px 0 0; }
.login-btn { margin-top: 14px; justify-content: center; padding: 10px 14px; }
.topbar-actions { display: flex; gap: 8px; align-items: center; flex: none; }
.topbar .btn { white-space: nowrap; }
.topbar { gap: 10px; }
.brand { min-width: 0; white-space: nowrap; }

@media (max-width: 640px) {
  .topbar { padding: 10px 16px; }
  .brand .muted { display: none; }
  main { padding: 16px; }
}
@media (max-width: 360px) {
  .topbar .badge.demo { display: none; }
  .topbar .btn { padding: 7px 10px; }
}

@media (max-width: 960px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--border); }
  .setup-grid, .results-grid { grid-template-columns: 1fr; }
}