:root {
  --bg: #12161b;
  --panel: #1a2027;
  --border: #2b333b;
  --text: #e7eaee;
  --text-dim: #93a0ad;
  --ok: #4caf7d;
  --ok-bg: rgba(76, 175, 125, 0.14);
  --warn: #e8a33d;
  --warn-bg: rgba(232, 163, 61, 0.14);
  --danger: #e2726b;
  --danger-bg: rgba(226, 114, 107, 0.14);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.brand {
  background: #fff;
  border-radius: 8px;
  padding: 0.3rem 0.7rem;
  line-height: 0;
}

.brand img {
  display: block;
  height: 28px;
  width: auto;
}

.pills { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.pill {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.75rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text-dim);
}

.pill.ok { background: var(--ok-bg); border-color: var(--ok); color: var(--ok); }
.pill.warn { background: var(--warn-bg); border-color: var(--warn); color: var(--warn); }
.pill.danger { background: var(--danger-bg); border-color: var(--danger); color: var(--danger); }

.admin-link {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
}
.admin-link:hover { color: var(--text); border-color: var(--text-dim); }

main {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 1fr);
  gap: 1rem;
  padding: 1rem 1.5rem;
  align-items: start;
}

@media (max-width: 860px) {
  main { grid-template-columns: 1fr; }
}

.camera-column { min-width: 0; }

.camera-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.75rem;
}

.empty-grid {
  color: var(--text-dim);
  font-size: 0.9rem;
  grid-column: 1 / -1;
}
.empty-grid a { color: var(--text); }

.camera-tile {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.camera-tile.flash { border-color: var(--danger); }

.tile-actions {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  z-index: 2;
  display: flex;
  gap: 0.35rem;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.camera-tile:hover .tile-actions,
.camera-tile:focus-within .tile-actions {
  opacity: 1;
}

.tile-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  line-height: 1;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  cursor: pointer;
}

.tile-btn:hover { background: rgba(0, 0, 0, 0.8); }

.ptz-badge {
  width: auto;
  padding: 0 0.4rem;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  cursor: default;
  border-color: var(--ok);
  color: var(--ok);
}

.camera-tile img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #000;
}

.camera-caption {
  padding: 0.5rem 0.9rem;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.75rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}

.zone-tag {
  color: var(--text-dim);
  opacity: 0.8;
}

.talk-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 0.2rem;
}

#speaker-select {
  font-family: inherit;
  font-size: 0.85rem;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.45rem 0.7rem;
}

#talk-btn {
  font-family: inherit;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--ok);
  background: var(--ok-bg);
  color: var(--ok);
  cursor: pointer;
  transition: background-color 0.15s ease;
}

#talk-btn:hover:not(:disabled) { background: rgba(76, 175, 125, 0.28); }

#talk-btn:disabled {
  border-color: var(--border);
  background: transparent;
  color: var(--text-dim);
  cursor: not-allowed;
}

#talk-btn.active {
  border-color: var(--danger);
  background: var(--danger-bg);
  color: var(--danger);
}

.talk-status {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.feed-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.9rem 1rem;
  max-height: 80vh;
  overflow-y: auto;
}

.feed-panel h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin: 0 0 0.75rem;
}

#feed {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

#feed li {
  display: flex;
  gap: 0.6rem;
  border-left: 3px solid var(--danger);
  background: var(--danger-bg);
  border-radius: 0 4px 4px 0;
  padding: 0.5rem 0.7rem;
  animation: appear 0.3s ease;
}

#feed li .thumb {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 3px;
  flex-shrink: 0;
  background: var(--bg);
  cursor: pointer;
}

#feed li .body {
  min-width: 0;
  flex: 1;
}

#feed li .line1 {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-weight: 600;
}

#feed li .time {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.72rem;
  color: var(--text-dim);
  font-weight: 400;
}

#feed li .meta {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 0.15rem;
}

#feed .empty {
  color: var(--text-dim);
  border-left-color: var(--border);
  background: transparent;
  font-style: italic;
}

@keyframes appear {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.85);
  cursor: zoom-out;
}

.lightbox.hidden { display: none; }

.lightbox img {
  max-width: 92vw;
  max-height: 92vh;
  object-fit: contain;
  border-radius: 4px;
  cursor: default;
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  font-size: 2rem;
  line-height: 1;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  opacity: 0.8;
}

.lightbox-close:hover { opacity: 1; }