:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --text: #16181d;
  --muted: #646b78;
  --border: #e2e5ea;
  --accent: #2554d9;
  --ok: #16a34a;
  --ok-bg: #dcfce7;
  --bad: #dc2626;
  --bad-bg: #fee2e2;
  --warn-bg: #fef3c7;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --panel: #181b21;
    --text: #e8eaee;
    --muted: #9aa1ad;
    --border: #2a2f38;
    --accent: #6b8cff;
    --ok-bg: #12351f;
    --bad-bg: #3d1717;
    --warn-bg: #3a2f10;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--accent); }
header.top {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 12px 16px; background: var(--panel); border-bottom: 1px solid var(--border);
}
header.top .brand { font-weight: 700; margin-right: auto; }
header.top nav { display: flex; gap: 14px; flex-wrap: wrap; }
header.top nav a { text-decoration: none; color: var(--muted); }
header.top nav a.active { color: var(--text); font-weight: 600; }
main { max-width: 1200px; margin: 0 auto; padding: 16px; }
.grid { display: grid; gap: 16px; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); }
@media (max-width: 860px) { .grid { grid-template-columns: minmax(0, 1fr); } }
.panel {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; min-width: 0;
}
.panel h2 { font-size: 16px; margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
button, .btn {
  font: inherit; cursor: pointer; border-radius: 8px; padding: 8px 14px;
  border: 1px solid var(--border); background: var(--panel); color: var(--text);
}
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { color: var(--bad); }
button:disabled { opacity: .5; cursor: default; }
input, textarea, select {
  font: inherit; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); width: 100%;
}
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 10px; }
label input, label textarea { margin-top: 4px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
.row > * { flex: 1 1 160px; }
.gate {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 18px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--border);
}
.gate .state { font-size: 26px; font-weight: 800; letter-spacing: .04em; }
.gate.open { background: var(--ok-bg); border-color: var(--ok); }
.gate.open .state { color: var(--ok); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.granted { background: var(--ok-bg); color: var(--ok); }
.badge.denied { background: var(--bad-bg); color: var(--bad); }
.badge.manual_open { background: var(--warn-bg); color: inherit; }
.plate {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-weight: 700;
  letter-spacing: .06em; white-space: nowrap;
}
.events { display: flex; flex-direction: column; gap: 10px; max-height: 70vh; overflow: auto; }
.event { display: flex; gap: 12px; padding: 10px; border: 1px solid var(--border); border-radius: 8px; }
.event img { width: 120px; height: 80px; object-fit: cover; border-radius: 6px; background: var(--bg); flex: none; }
.event .meta { min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.event.flash { animation: flash 1.2s ease-out; }
@keyframes flash { from { background: var(--warn-bg); } to { background: transparent; } }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
.table-wrap { overflow-x: auto; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.actions button { padding: 4px 10px; font-size: 13px; }
.msg { padding: 10px 12px; border-radius: 8px; margin: 10px 0; }
.msg.error { background: var(--bad-bg); }
.msg.info { background: var(--warn-bg); }
.hidden { display: none !important; }
dialog { border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); color: var(--text); width: min(460px, calc(100vw - 32px)); }
dialog::backdrop { background: rgb(0 0 0 / .4); }
.login { max-width: 360px; margin: 12vh auto; }

/* camera page */
.stage { position: relative; width: 100%; background: #000; border-radius: var(--radius); overflow: hidden; }
.stage video, .stage canvas { display: block; width: 100%; height: auto; }
.stage canvas { position: absolute; inset: 0; height: 100%; }
.banner {
  position: absolute; left: 12px; right: 12px; bottom: 12px; padding: 12px 14px;
  border-radius: 8px; font-weight: 700; font-size: 18px; color: #fff; text-align: center;
}
.banner.granted { background: rgb(22 163 74 / .92); }
.banner.denied { background: rgb(220 38 38 / .92); }
.stats { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--muted); margin-top: 10px; }
.result-img { max-width: 100%; border-radius: var(--radius); margin-top: 12px; }