:root {
  --bg: #0b0f17;
  --panel: #121826;
  --panel-2: #182033;
  --line: #243049;
  --text: #e6ebf5;
  --muted: #8b97ad;
  --accent: #ffb547;
  --accent-ink: #1a1203;
  --ok: #3ccf8e;
  --warn: #ffb547;
  --bad: #ff6b6b;
  --info: #6aa8ff;
  --radius: 12px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -0.01em; }
h1 { font-size: 22px; } h2 { font-size: 17px; } h3 { font-size: 15px; }
small, .muted { color: var(--muted); }
code { background: var(--panel-2); padding: 1px 6px; border-radius: 6px; font-size: 13px; word-break: break-all; }

.topbar { position: sticky; top: 0; z-index: 10; background: rgba(11,15,23,.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line); }
.topbar .inner { max-width: 1280px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); }
.brand svg { color: var(--accent); }
.nav { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.nav a { color: var(--muted); padding: 6px 12px; border-radius: 8px; }
.nav a:hover { background: var(--panel-2); color: var(--text); text-decoration: none; }
.nav a.active { background: var(--panel-2); color: var(--text); }

main { max-width: 1280px; margin: 0 auto; padding: 20px 16px 60px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.grid { display: grid; gap: 16px; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(min(520px, 100%), 1fr)); }
.grid.cards { grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr)); }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.panel > header { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }

.hero { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.stat .label { color: var(--muted); font-size: 13px; }
.stat .value { font-size: 22px; font-weight: 650; margin-top: 2px; font-variant-numeric: tabular-nums; }
.stat .sub { color: var(--muted); font-size: 13px; }

.badge { display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px; border-radius: 999px;
  font-size: 12.5px; font-weight: 600; background: var(--panel-2); color: var(--muted); border: 1px solid var(--line); }
.badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.badge.ok { color: var(--ok); } .badge.warn { color: var(--warn); } .badge.bad { color: var(--bad); } .badge.info { color: var(--info); }

.video { position: relative; aspect-ratio: 16/9; background: #000; border-radius: 8px; overflow: hidden; }
.video img { width: 100%; height: 100%; object-fit: contain; display: block; }
.video .empty { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); font-size: 14px; text-align: center; padding: 16px; }

.meter { height: 8px; background: var(--panel-2); border-radius: 999px; overflow: hidden; }
.meter > div { height: 100%; background: var(--accent); width: 0; transition: width .3s; }
canvas.spark { width: 100%; height: 48px; display: block; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; font-size: 13.5px; margin-top: 10px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; font-variant-numeric: tabular-nums; }

.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--panel-2);
  color: var(--text); padding: 7px 14px; border-radius: 8px; font: inherit; font-size: 14px; cursor: pointer; }
.btn:hover { border-color: #3a4a6d; }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 650; }
.btn.danger { color: var(--bad); }
.btn.small { padding: 4px 10px; font-size: 13px; }
.btn.on { border-color: var(--accent); color: var(--accent); }
.btn:disabled { opacity: .5; cursor: default; }

label { display: block; font-size: 13.5px; color: var(--muted); margin-bottom: 4px; }
input[type=text], input[type=number], input[type=password], input[type=url], select {
  width: 100%; background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 8px;
  padding: 8px 10px; font: inherit; }
input:focus, select:focus { outline: 2px solid rgba(255,181,71,.4); border-color: var(--accent); }
.field { margin-bottom: 12px; }
.field .hint { font-size: 12.5px; color: var(--muted); margin-top: 3px; }
.fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(180px, 100%), 1fr)); gap: 0 14px; }
.check { display: flex; gap: 8px; align-items: center; color: var(--text); font-size: 14px; }

.event { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.event:target { outline: 2px solid var(--accent); }
.event .thumb { aspect-ratio: 16/9; background: #000; cursor: pointer; display: block; width: 100%; object-fit: cover; }
.event .body { padding: 10px 12px; }
.event .actions { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.event.plane { border-color: rgba(60,207,142,.55); }
.event.false { opacity: .6; }

.mask-editor { position: relative; aspect-ratio: 16/9; background: #000; border-radius: 8px; overflow: hidden; user-select: none; }
.mask-editor img, .mask-editor canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.mask-editor canvas { cursor: crosshair; }

dialog { background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; width: min(960px, 96vw); }
dialog::backdrop { background: rgba(0,0,0,.7); }
dialog video { width: 100%; border-radius: 8px; background: #000; }

.toast { position: fixed; right: 16px; bottom: 16px; background: var(--panel-2); border: 1px solid var(--line); padding: 10px 14px;
  border-radius: 10px; opacity: 0; transform: translateY(8px); transition: .2s; pointer-events: none; max-width: calc(100vw - 32px); }
.toast.show { opacity: 1; transform: none; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login .panel { width: min(380px, 100%); padding: 28px; }
.error { color: var(--bad); font-size: 14px; margin-bottom: 12px; }

@media (max-width: 640px) {
  .nav { margin-left: 0; width: 100%; }
  h1 { font-size: 19px; }
}