:root {
  --navy: #12233f;
  --navy-2: #1c3360;
  --ink: #12233f;
  --paper: #f5f6f8;
  --card: #ffffff;
  --line: #d9dde5;
  --muted: #5d6879;
  --accent: #f2a900;
  --good: #1b8a4b;
  --warn: #c47a00;
  --bad: #c0392b;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--paper); color: var(--ink); line-height: 1.4;
}
button, input, select, textarea { font: inherit; }
button {
  border: 0; border-radius: 8px; padding: 10px 16px; cursor: pointer;
  background: var(--navy); color: #fff; font-weight: 600;
}
button.secondary { background: #e3e7ee; color: var(--ink); }
button.danger { background: var(--bad); }
button:disabled { opacity: .5; cursor: default; }
input, select, textarea {
  border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; background: #fff; color: var(--ink);
  max-width: 100%;
}
.wrap { max-width: 1100px; margin: 0 auto; padding: 16px; }
header.bar {
  background: var(--navy); color: #fff; padding: 12px 16px;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
header.bar h1 { font-size: 1.25rem; margin: 0; flex: 1; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 16px; }
.card h2 { margin: 0 0 12px; font-size: 1.1rem; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: .8rem; font-weight: 600; background: #e3e7ee; }
.pill.good { background: #dff3e7; color: var(--good); }
.pill.warn { background: #fdf0d5; color: var(--warn); }
.pill.bad { background: #fbe1de; color: var(--bad); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .8rem; color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.scroll { overflow-x: auto; }
footer.brand { text-align: center; padding: 18px 16px 28px; color: var(--muted); font-size: .85rem; }
footer.brand strong { color: var(--ink); }

/* leaderboard */
body.board { background: var(--navy); color: #fff; }
body.board footer.brand, body.board footer.brand strong { color: #c9d3e6; }
.board .tabs { display: flex; gap: 8px; flex-wrap: wrap; padding: 12px 16px 0; }
.board .tabs button { background: var(--navy-2); color: #c9d3e6; }
.board .tabs button.on { background: var(--accent); color: var(--navy); }
.board .clock { font-variant-numeric: tabular-nums; font-size: 1.4rem; font-weight: 700; }
.board table { font-size: clamp(.95rem, 1.6vw, 1.5rem); }
.board th { color: #9fb0cf; border-color: #2a4170; }
.board td { border-color: #2a4170; }
.board tr.top td:first-child { color: var(--accent); font-weight: 800; }
.board .name { font-weight: 700; }
.board .sub { color: #9fb0cf; font-size: .8em; }
.board .live { color: #9fb0cf; }
.board .pill { background: #2a4170; color: #dbe3f2; }
.board .pill.bad { background: #5a2430; color: #ffd0d0; }
.board .pill.warn { background: #5a4520; color: #ffe2a8; }
.board .empty { padding: 40px 16px; text-align: center; color: #9fb0cf; }
.board .filters { display: flex; gap: 8px; align-items: center; padding: 10px 16px 0; color: #c9d3e6; }
.board .filters select { background: var(--navy-2); color: #fff; border-color: #2a4170; }

/* scan station */
body.scan { background: #0f1b31; color: #fff; }
.scan .point { font-size: 1.6rem; font-weight: 800; }
.scan .status { display: flex; gap: 10px; align-items: center; font-size: .95rem; }
.dot { width: 12px; height: 12px; border-radius: 50%; background: var(--bad); display: inline-block; }
.dot.on { background: #2ecc71; }
.scan #code {
  width: 100%; font-size: 2rem; padding: 16px; text-align: center; letter-spacing: .1em;
  border: 3px solid var(--accent); border-radius: 14px; background: #fff; color: var(--navy);
}
.scan .flash { padding: 18px; border-radius: 14px; margin: 14px 0; font-size: 1.4rem; font-weight: 700; text-align: center; min-height: 72px; }
.scan .flash.good { background: var(--good); }
.scan .flash.warn { background: var(--warn); }
.scan .flash.bad { background: var(--bad); }
.scan .flash.idle { background: #1c2b48; color: #9fb0cf; font-weight: 500; }
.scan #tap {
  width: 100%; font-size: 2.2rem; padding: 26px; background: var(--accent); color: var(--navy);
  border-radius: 16px; margin-top: 12px;
}
.scan table { color: #fff; }
.scan th { color: #9fb0cf; }
.scan td, .scan th { border-color: #24365a; }
.scan .card { background: #16243f; border-color: #24365a; color: #fff; }
.scan label { display: block; margin: 10px 0 4px; color: #c9d3e6; }
.scan input:not(#code), .scan select { width: 100%; }

@media (max-width: 640px) {
  .hide-sm { display: none; }
  th, td { padding: 6px; }
}
@media print {
  header.bar, .noprint { display: none !important; }
  body.board { background: #fff; color: #000; }
}