:root {
  --bg: #070a0e;
  --panel: #10161d;
  --panel-2: #151d26;
  --line: #263441;
  --text: #eef5f3;
  --muted: #91a29f;
  --accent: #48e0ae;
  --accent-dark: #123e34;
  --danger: #ff7d7d;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 80% -20%, #123027 0, transparent 35rem), var(--bg); }
.topbar { min-height: 7rem; padding: 1.4rem clamp(1rem, 4vw, 4rem); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(1.7rem, 4vw, 2.6rem); letter-spacing: -.04em; }
h2 { margin-bottom: 0; font-size: 1.15rem; }
.eyebrow { margin-bottom: .35rem; color: var(--accent); font: 700 .72rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .14em; }
main { width: min(1500px, 100%); margin: 0 auto; padding: clamp(1rem, 3vw, 2.5rem); }
.panel { border: 1px solid var(--line); border-radius: 14px; background: color-mix(in srgb, var(--panel) 94%, transparent); overflow: hidden; box-shadow: 0 16px 40px #0005; }
.panel-heading { min-height: 5rem; padding: 1rem 1.2rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .84rem; }
.camera-picker { display: flex; flex-wrap: wrap; gap: .55rem; padding: .85rem 1.2rem; border-bottom: 1px solid var(--line); background: var(--panel-2); }
.camera-choice { display: inline-flex; align-items: center; gap: .45rem; padding: .45rem .7rem; border: 1px solid var(--line); border-radius: 999px; color: var(--text); cursor: pointer; }
.camera-choice input { accent-color: var(--accent); }
.camera-choice i { width: .45rem; height: .45rem; border-radius: 50%; }
.choice-online { background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.choice-offline { background: var(--danger); }
.camera-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr)); gap: 1rem; padding: 1rem; }
.camera-empty { min-height: 15rem; display: grid; place-items: center; color: var(--muted); }
.camera-tile { min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: #020304; cursor: pointer; transition: border-color .15s ease, box-shadow .15s ease; }
.camera-tile:hover, .camera-tile:focus-visible, .camera-active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent-dark); outline: 0; }
.camera-tile-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .65rem .8rem; background: #0b1016; }
.tile-status { font: 700 .66rem/1 ui-monospace, monospace; letter-spacing: .08em; }
.tile-online { color: var(--accent); }
.tile-offline { color: var(--danger); }
.camera-frame, .archive-video-frame { position: relative; aspect-ratio: 4 / 3; display: grid; place-items: center; overflow: hidden; background: #020304; }
.camera-frame img, .archive-video-frame video { width: 100%; height: 100%; object-fit: contain; }
.playback-panel { margin-top: 1.25rem; }
.placeholder { position: absolute; color: var(--muted); pointer-events: none; }
.status-group { display: flex; gap: .7rem; align-items: center; }
.status, .user-pill { display: inline-flex; align-items: center; min-height: 2rem; padding: .3rem .75rem; border: 1px solid var(--line); border-radius: 999px; background: var(--panel); color: var(--muted); font-size: .8rem; }
.status::before { content: ""; width: .48rem; height: .48rem; margin-right: .45rem; border-radius: 50%; background: var(--danger); box-shadow: 0 0 10px var(--danger); }
.status-online::before { background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.timeline-panel, .events-panel { margin-top: 1.25rem; }
.timeline-shell { padding: 1.8rem 1.2rem .8rem; background: var(--panel-2); }
.timeline-shell input[type="range"] { width: 100%; accent-color: var(--accent); cursor: ew-resize; }
.timeline-labels { display: flex; justify-content: space-between; padding-top: .5rem; color: var(--muted); font: .72rem/1.2 ui-monospace, monospace; }
.controls { display: grid; grid-template-columns: minmax(210px, 1fr) minmax(140px, .45fr) auto auto; align-items: end; gap: .9rem; padding: 1.2rem; }
label { display: grid; gap: .4rem; color: var(--muted); font-size: .78rem; font-weight: 700; }
input, select, button, .button { font: inherit; }
input[type="datetime-local"], select { width: 100%; height: 2.7rem; padding: 0 .7rem; border: 1px solid var(--line); border-radius: 8px; background: #0b1016; color: var(--text); }
.button { min-height: 2.7rem; padding: .7rem 1rem; display: inline-flex; justify-content: center; align-items: center; border: 1px solid transparent; border-radius: 8px; text-decoration: none; font-weight: 750; cursor: pointer; }
.button-primary { background: var(--accent); color: #031812; }
.button-subtle { border-color: var(--line); background: #0b1016; color: var(--text); }
.button:hover { filter: brightness(1.12); }
.message { min-height: 1.2rem; margin: 0; padding: 0 1.2rem 1rem; color: var(--muted); }
.events-panel #events { padding: 1rem 1.2rem; }
.events-empty { color: var(--muted); }
.event { display: grid; grid-template-columns: 10rem 1fr auto; gap: 1rem; padding: .8rem 0; border-bottom: 1px solid var(--line); font-size: .85rem; }
.event:last-child { border-bottom: 0; }
.event time, .event-confidence { color: var(--muted); }
.login-page { display: grid; place-items: center; padding: 1.2rem; }
.login-card { width: min(640px, 100%); padding: clamp(1.5rem, 6vw, 3.5rem); border: 1px solid var(--line); border-radius: 16px; background: var(--panel); }
.login-card h1 { margin-bottom: 1.2rem; }
.login-card > p:not(.eyebrow) { color: var(--muted); line-height: 1.65; }
.login-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin: 1.6rem 0; }
.privacy-note { font-size: .78rem; }

@media (max-width: 850px) {
  .controls { grid-template-columns: 1fr 1fr; }
  .topbar { align-items: flex-start; gap: 1rem; }
  .status-group { flex-direction: column; align-items: flex-end; }
}

@media (max-width: 520px) {
  .controls { grid-template-columns: 1fr; }
  .user-pill { display: none; }
  .event { grid-template-columns: 1fr auto; }
  .event time { grid-column: 1 / -1; }
}