/* BUNKER chrome: CRT terminal. Near-black substrate, amber phosphor text,
   green reserved for live/status, red for alarms. Monospace only, square corners. */
:root {
  --bg: #0b0a09;
  --bg-2: #13110f;
  --line: #3a2f22;
  --line-2: #5a4630;
  --fg: #f0d9a8;
  --fg-dim: #b39a72;
  --amber: #f5b13d;
  --amber-dim: #a8741f;
  --green: #5cf08c;
  --red: #ff4a3d;
  --focus: #fff3c4;
  --mono: ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Consolas, 'Liberation Mono', 'DejaVu Sans Mono', monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.45 var(--mono);
  letter-spacing: 0.02em;
  min-height: 100vh;
}

/* Scanlines + faint flicker overlay. Disabled by .no-crt and reduced motion. */
.crt::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  background: repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.22) 0 1px, transparent 1px 3px);
  animation: flicker 4s steps(2) infinite;
}
@keyframes flicker {
  0%, 100% { opacity: 0.85; }
  50% { opacity: 1; }
}
.no-crt::before { display: none; }
@media (prefers-reduced-motion: reduce) {
  .crt::before { animation: none; }
}

a { color: var(--amber); text-underline-offset: 3px; }
a:hover { color: var(--focus); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

header.top {
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.1em;
  flex-wrap: wrap;
}
header.top .brand { color: var(--amber); text-decoration: none; font-weight: 700; letter-spacing: 0.25em; }
header.top nav { display: flex; gap: 14px; flex-wrap: wrap; }
header.top nav a { color: var(--fg-dim); text-decoration: none; }
header.top nav a:hover, header.top nav a[aria-current='page'] { color: var(--amber); }

h1, h2, h3 { text-transform: uppercase; margin: 0; font-weight: 700; }
h1 {
  text-wrap: balance;
  font-size: clamp(30px, 7vw, 68px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--amber);
}
h2 { font-size: 13px; letter-spacing: 0.18em; color: var(--fg-dim); }
h2::before { content: '[ '; color: var(--amber-dim); }
h2::after { content: ' ]'; color: var(--amber-dim); }

.muted { color: var(--fg-dim); }
.green { color: var(--green); }
.red { color: var(--red); }
.amber { color: var(--amber); }
.upper { text-transform: uppercase; letter-spacing: 0.08em; }
.small { font-size: 12px; }

/* Grid with hairline dividers (gap trick). */
.grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.grid > * { background: var(--bg); padding: 14px; min-width: 0; }

.cols { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; }
@media (min-width: 860px) {
  .cols { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); }
}

.panel { border: 1px solid var(--line); padding: 14px; background: var(--bg); }
.panel + .panel { margin-top: 16px; }
.panel h2 { margin-bottom: 10px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--amber);
  background: transparent;
  color: var(--amber);
  font: 700 13px/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border-radius: 0;
  touch-action: manipulation;
}
.btn:hover { background: var(--amber); color: var(--bg); }
.btn.solid { background: var(--amber); color: var(--bg); }
.btn.solid:hover { background: var(--focus); }
.btn.red { border-color: var(--red); color: var(--red); }
.btn.red:hover { background: var(--red); color: var(--bg); }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; }
.btn.small { min-height: 36px; padding: 6px 10px; font-size: 11px; }

table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th, table.data td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.data th { color: var(--fg-dim); font-weight: 400; text-transform: uppercase; letter-spacing: 0.1em; font-size: 11px; }
table.data td.num, table.data th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data tr:hover td { background: var(--bg-2); }
.table-scroll { overflow-x: auto; }

dl.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 0; }
dl.stats > div { background: var(--bg); padding: 10px 12px; }
dl.stats dt { color: var(--fg-dim); font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; }
dl.stats dd { margin: 2px 0 0; font-size: 18px; color: var(--fg); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
@media (min-width: 560px) { dl.stats { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

ol.log { list-style: none; margin: 0; padding: 0; font-size: 12px; max-height: 320px; overflow: auto; }
ol.log li { padding: 3px 0; border-bottom: 1px dashed var(--line); display: flex; gap: 10px; }
ol.log time { color: var(--amber-dim); flex: none; }

.stage {
  background: #000;
  border: 1px solid var(--line-2);
  display: flex;
  justify-content: center;
  overflow: auto;
  max-height: 80vh;
}
.stage canvas { display: block; image-rendering: pixelated; image-rendering: crisp-edges; }

.hero { padding: 32px 0 20px; display: grid; gap: 18px; }
.hero p { max-width: 62ch; margin: 0; color: var(--fg-dim); }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

.tag { display: inline-block; border: 1px solid var(--line-2); padding: 1px 6px; font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--fg-dim); }
.tag.green { border-color: var(--green); color: var(--green); }
.tag.red { border-color: var(--red); color: var(--red); }

.notice { border: 1px dashed var(--amber-dim); padding: 10px 12px; color: var(--fg-dim); font-size: 12px; }
.notice.red { border-color: var(--red); color: var(--red); }

label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--fg-dim); margin-bottom: 4px; }
input[type='text'], select {
  width: 100%;
  min-height: 44px;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  color: var(--fg);
  font: 15px var(--mono);
  padding: 8px 10px;
  border-radius: 0;
}
input[type='text']:focus, select:focus { border-color: var(--amber); }
fieldset { border: 1px solid var(--line); margin: 0; padding: 12px; }
legend { padding: 0 6px; color: var(--fg-dim); font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; }
.radios { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.radios label { display: flex; gap: 8px; align-items: flex-start; border: 1px solid var(--line); padding: 8px; color: var(--fg); text-transform: none; letter-spacing: 0; font-size: 13px; cursor: pointer; }
.radios input { accent-color: var(--amber); margin-top: 3px; }
.radios label:has(input:checked) { border-color: var(--amber); }
.field { margin-bottom: 14px; }

footer.bottom { border-top: 1px solid var(--line); margin-top: 40px; padding: 16px; font-size: 11px; color: var(--fg-dim); text-transform: uppercase; letter-spacing: 0.1em; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }
.code { font-size: 28px; letter-spacing: 0.3em; color: var(--amber); }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; }
.room-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.room-list > div { background: var(--bg); padding: 8px 10px; display: flex; justify-content: space-between; gap: 10px; align-items: center; flex-wrap: wrap; }

.skip { position: absolute; left: -9999px; top: 0; z-index: 100; background: var(--amber); color: var(--bg); padding: 8px 12px; }
.skip:focus { left: 8px; top: 8px; }
#main:focus { outline: none; }
body { padding-bottom: env(safe-area-inset-bottom); }
h2, h3 { text-wrap: balance; }
@media (max-width: 480px) { .radios { grid-template-columns: minmax(0, 1fr); } }

.stage-wrap { position: relative; }
.claim-big {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  min-height: 56px;
  padding: 12px 24px;
  font-size: 16px;
  background: var(--green);
  border-color: var(--green);
  color: var(--bg);
  box-shadow: 0 0 0 3px var(--bg);
  white-space: nowrap;
}
.claim-big:hover { background: var(--focus); border-color: var(--focus); color: var(--bg); }
.tx { border-bottom: 1px dashed var(--line); padding: 6px 0 2px; }
.tx p { margin: 4px 0 6px; color: var(--fg); }