:root {
  --bg: #0b0f14;
  --bg-elev: #121821;
  --panel: #161d28;
  --line: #243041;
  --text: #e8eef7;
  --muted: #8b9bb0;
  --accent: #3dd6c6;
  --danger: #ff5c7a;
  --warn: #ffb020;
  --online: #3ddc84;
  --font: "DM Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(1200px 600px at 10% -10%, #1a2740 0%, transparent 55%),
              radial-gradient(900px 500px at 100% 0%, #13231f 0%, transparent 45%),
              var(--bg);
  color: var(--text);
  font-family: var(--font);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}
.auth-card {
  width: min(420px, 100%);
  background: linear-gradient(180deg, #182131, #121821);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 2rem;
  box-shadow: 0 30px 80px rgba(0,0,0,.45);
}
.brand {
  font-weight: 700;
  letter-spacing: .04em;
  font-size: 1.6rem;
  margin: 0 0 .35rem;
}
.brand span { color: var(--accent); }
.lede { color: var(--muted); margin: 0 0 1.5rem; }
.auth-card label { display: block; margin: .75rem 0 .35rem; color: var(--muted); font-size: .9rem; }
.auth-card input {
  width: 100%;
  background: #0d131c;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: .75rem .9rem;
  font: inherit;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  border: 0;
  border-radius: 10px;
  padding: .75rem 1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  background: var(--accent);
  color: #06231f;
}
.btn.secondary { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn.block { width: 100%; margin-top: 1rem; }
.errorlist { color: var(--danger); list-style: none; padding: 0; font-size: .9rem; }

.viewer-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem 1.25rem;
  border-bottom: 1px solid var(--line);
  background: rgba(11,15,20,.72);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar nav { display: flex; gap: .85rem; align-items: center; flex-wrap: wrap; }
.topbar a { color: var(--muted); font-weight: 600; }
.topbar a.active, .topbar a:hover { color: var(--text); text-decoration: none; }

.grid {
  display: grid;
  gap: .6rem;
  padding: .6rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-content: start;
  min-height: calc(100vh - 110px);
}
.tile {
  position: relative;
  background: #000;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  min-height: 220px;
  aspect-ratio: 16 / 10;
  cursor: pointer;
}
.tile video, .tile .placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #05070a;
}
.tile .placeholder {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: .95rem;
}
.tile-meta {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .5rem;
  padding: .55rem .7rem;
  background: linear-gradient(transparent, rgba(0,0,0,.75));
  font-size: .9rem;
}
.dot {
  width: .55rem; height: .55rem; border-radius: 50%;
  display: inline-block; margin-right: .35rem;
  background: var(--muted);
}
.dot.on { background: var(--online); box-shadow: 0 0 10px var(--online); }
.tile.motion {
  outline: 2px solid var(--danger);
  box-shadow: 0 0 0 3px rgba(255,92,122,.25);
}
.tile.fullscreen {
  position: fixed;
  inset: 0;
  z-index: 50;
  border-radius: 0;
  aspect-ratio: auto;
  min-height: 100vh;
}

.toast-wrap {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  display: grid;
  gap: .5rem;
  z-index: 60;
}
.toast {
  background: #2a1218;
  border: 1px solid var(--danger);
  color: #ffd7de;
  padding: .75rem 1rem;
  border-radius: 10px;
  min-width: 240px;
  animation: pop .2s ease;
}
@keyframes pop { from { transform: translateY(8px); opacity: 0; } }

.camera-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}
.preview-wrap {
  position: relative;
  background: #000;
  min-height: 60vh;
}
.preview-wrap video {
  width: 100%;
  height: min(70vh, 720px);
  object-fit: cover;
  background: #000;
}
.preview-wrap video.mirror {
  transform: scaleX(-1);
}
.facing-pick {
  gap: .5rem;
}
.facing-pick select {
  background: #0d131c;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: .35rem .5rem;
  font: inherit;
}
.panel {
  padding: 1rem 1.25rem 1.5rem;
  border-top: 1px solid var(--line);
  background: var(--bg-elev);
}
.row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.mono { font-family: var(--mono); letter-spacing: .08em; }
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .35rem .7rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: .85rem;
}
.form-inline input, .form-inline select {
  background: #0d131c;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: .65rem .8rem;
  font: inherit;
}
.settings-page { padding: 1.25rem; max-width: 960px; margin: 0 auto; }
.card-list { display: grid; gap: .75rem; }
.item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}
.recordings-page { padding: 1.25rem; max-width: 1100px; margin: 0 auto; }
.rec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.rec-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.rec-card video { width: 100%; aspect-ratio: 16/10; background: #000; object-fit: cover; }
.rec-card .body { padding: .85rem 1rem 1rem; }
.muted { color: var(--muted); }
.empty {
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  color: var(--muted);
}
@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
}