/* Plaka ANPR — dark, responsive, no build step. */
:root {
  --bg: #0e1116;
  --bg-elev: #161b22;
  --bg-elev2: #1c232c;
  --border: #2a3340;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #2f81f7;
  --accent-dim: #1f6feb33;
  --ok: #3fb950;
  --warn: #d29922;
  --err: #f85149;
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
[x-cloak] { display: none !important; }

html, body {
  margin: 0; padding: 0; height: 100%;
  background: var(--bg); color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
h1, h2, h3 { margin: 0 0 .6rem; font-weight: 600; line-height: 1.25; }
h1 { font-size: 1.35rem; }
h2 { font-size: 1.1rem; }
h3 { font-size: .95rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

/* ---------------------------------------------------------------- layout -- */
header.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 1rem;
  padding: .55rem 1rem;
  background: rgba(14,17,22,.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; letter-spacing: .02em; white-space: nowrap; }
.brand span { color: var(--accent); }
nav.pages { display: flex; gap: .15rem; overflow-x: auto; scrollbar-width: none; flex: 1; }
nav.pages::-webkit-scrollbar { display: none; }
nav.pages button {
  background: none; border: 0; color: var(--muted); padding: .4rem .65rem;
  border-radius: 8px; cursor: pointer; font-size: .86rem; white-space: nowrap;
}
nav.pages button:hover { background: var(--bg-elev); color: var(--text); }
nav.pages button.active { background: var(--accent-dim); color: var(--accent); }

main { padding: 1rem; max-width: 1600px; margin: 0 auto; }
section.page { display: none; }
section.page.active { display: block; }

.card {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem; margin-bottom: 1rem;
}
.grid { display: grid; gap: 1rem; }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.row { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.spacer { flex: 1; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }
.small { font-size: .8rem; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }
.center { text-align: center; }
.hidden { display: none !important; }

/* ---------------------------------------------------------------- inputs -- */
button, .btn {
  background: var(--bg-elev2); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: .42rem .8rem; cursor: pointer; font-size: .86rem; font-family: inherit;
  transition: background .12s, border-color .12s;
}
button:hover:not(:disabled) { background: #232c37; border-color: #3a4757; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.primary:hover:not(:disabled) { background: #4b93ff; }
button.danger { color: var(--err); border-color: #5a2b2b; }
button.ghost { background: none; border-color: transparent; color: var(--muted); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.sm { padding: .25rem .5rem; font-size: .78rem; }

input, select, textarea {
  background: #0d1117; color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: .42rem .6rem; font-size: .86rem; font-family: inherit; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-dim); border-color: var(--accent); }
input[type=checkbox] { width: auto; }
input[type=range] { padding: 0; }
label { display: block; font-size: .78rem; color: var(--muted); margin-bottom: .25rem; }
.field { margin-bottom: .7rem; }
.field-inline { display: flex; gap: .5rem; align-items: center; }
.field-inline label { margin: 0; }

/* ---------------------------------------------------------------- tables -- */
table { width: 100%; border-collapse: collapse; font-size: .85rem; }
th, td { text-align: left; padding: .45rem .55rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--muted); font-weight: 500; font-size: .76rem; text-transform: uppercase; letter-spacing: .04em; }
tbody tr:hover { background: #ffffff06; }
td.plate { font-family: var(--mono); font-weight: 700; letter-spacing: .06em; font-size: .95rem; }
.table-wrap { overflow-x: auto; }

/* --------------------------------------------------------------- badges --- */
.badge {
  display: inline-block; padding: .1rem .45rem; border-radius: 999px;
  font-size: .72rem; border: 1px solid var(--border); background: #ffffff08;
}
.badge.ok { color: var(--ok); border-color: #1f4b2b; background: #12311d; }
.badge.warn { color: var(--warn); border-color: #4a3a12; background: #2e2511; }
.badge.err { color: var(--err); border-color: #5a2b2b; background: #331616; }
.badge.info { color: var(--accent); border-color: #1d3d6b; background: #10233c; }
.badge.mono { font-family: var(--mono); }

/* ------------------------------------------------------------- stat tile -- */
.stat { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: .9rem; }
.stat .value { font-size: 1.6rem; font-weight: 700; line-height: 1.1; }
.stat .label { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }
.bar { height: 6px; background: #ffffff10; border-radius: 999px; overflow: hidden; margin-top: .5rem; }
.bar > div { height: 100%; background: var(--accent); }

/* ---------------------------------------------------------------- modal --- */
.overlay {
  position: fixed; inset: 0; background: #000000b8; z-index: 60;
  display: flex; align-items: flex-start; justify-content: center; padding: 2rem 1rem; overflow: auto;
}
.modal {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 12px;
  width: min(1100px, 100%); padding: 1.1rem;
}

/* ---------------------------------------------------------------- toast --- */
.toasts { position: fixed; right: 1rem; bottom: 1rem; display: flex; flex-direction: column; gap: .5rem; z-index: 80; }
.toast { background: var(--bg-elev2); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: 8px; padding: .6rem .9rem; max-width: 420px; box-shadow: 0 8px 24px #0008; font-size: .85rem; }
.toast.err { border-left-color: var(--err); }
.toast.ok { border-left-color: var(--ok); }

/* ----------------------------------------------------------------- auth --- */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.auth-card { width: min(420px, 100%); }
.auth-card h1 { text-align: center; margin-bottom: 1.2rem; }

/* ----------------------------------------------------------------- live --- */
.cam-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
.cam-tile { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.cam-tile .head { display: flex; justify-content: space-between; align-items: center; padding: .5rem .7rem; font-size: .85rem; }
.cam-tile img { display: block; width: 100%; background: #000; aspect-ratio: 16/9; object-fit: contain; }

/* ------------------------------------------------------------ zone editor */
.canvas-wrap { position: relative; background: #000; border-radius: 8px; overflow: hidden; }
.canvas-wrap canvas, .canvas-wrap img { display: block; width: 100%; height: auto; }
.canvas-wrap canvas { position: absolute; inset: 0; cursor: crosshair; }
.legend { display: flex; gap: 1rem; font-size: .8rem; color: var(--muted); }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: .35rem; }

/* -------------------------------------------------------------- test lab -- */
.stage { border-left: 3px solid var(--accent); padding-left: .7rem; margin-bottom: .9rem; }
.stage.fail { border-left-color: var(--err); }
.thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: .6rem; }
.thumb { background: #000; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.thumb img { display: block; width: 100%; height: auto; }
.thumb .cap { font-size: .7rem; padding: .2rem .35rem; color: var(--muted); background: var(--bg-elev2); }

/* ----------------------------------------------------------------- logs --- */
.logs { font-family: var(--mono); font-size: .78rem; max-height: 62vh; overflow: auto; background: #0a0d12; border-radius: 8px; padding: .5rem; }
.log-line { padding: .1rem .3rem; border-bottom: 1px solid #ffffff08; white-space: pre-wrap; word-break: break-word; }
.log-line .lvl { display: inline-block; min-width: 4.6rem; }
.lvl-debug { color: #6e7681; }
.lvl-info { color: #58a6ff; }
.lvl-warning { color: var(--warn); }
.lvl-error, .lvl-critical { color: var(--err); }

/* ------------------------------------------------------------ responsive -- */
@media (max-width: 720px) {
  header.topbar { flex-wrap: wrap; gap: .5rem; }
  nav.pages { order: 3; width: 100%; }
  main { padding: .7rem; }
}