:root {
  --bg: #0b1020;
  --panel: #151b2e;
  --panel-2: #1d2540;
  --border: #323c5c;
  --text: #e8ebf5;
  --text-2: #aab2c8;
  --green: #3ddc97;
  --amber: #f5b942;
  --red: #ff7070;
  --indigo: #9aa2ff;
  --grey: #8a93ab;
  --on-green: #06150e;
  --on-amber: #1a1203;
  --on-red: #1f0505;
  --on-indigo: #0a0c28;
}
* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  overflow-x: hidden;
}
h1 { font-size: 1.6rem; margin: 0 0 .25rem; }
h2 { font-size: 1.15rem; margin: 0 0 .5rem; }
h3 { font-size: 1rem; margin: 0 0 .25rem; }
p { margin: 0 0 .5rem; }
header, main, footer { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
header { padding-top: 16px; padding-bottom: 8px; }
.subtitle { color: var(--text-2); }
footer { padding: 16px; color: var(--text-2); font-size: .85rem; }
.region { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; margin: 12px 0; }
.region:empty { display: none; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--indigo); color: var(--on-indigo); padding: 6px 10px; }
.skip-link:focus { left: 8px; z-index: 10; }

.caption-bar {
  position: sticky; top: 0; z-index: 5; max-width: 1200px; margin: 0 auto; padding: 8px 16px;
  background: var(--panel-2); border-bottom: 2px solid var(--indigo); color: var(--text);
}
.caption-bar:empty { padding: 0; min-height: 0; border-bottom: 0; margin-bottom: 0; }

.header-controls { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 8px; }
.scenario-switch, .watch-controls, .run-controls, .playback-controls, .alert-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.playback-controls { margin-top: 8px; }

button, select {
  font: inherit; color: var(--text); background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 12px; cursor: pointer; transition: background-color .15s, border-color .15s;
}
button:hover:not(:disabled) { background: var(--border); }
button[aria-pressed="true"] { background: var(--indigo); color: var(--on-indigo); border-color: var(--indigo); font-weight: 600; }
button:disabled {
  cursor: not-allowed; opacity: .55; background: transparent; border-style: dashed; color: var(--text-2);
}
:focus-visible { outline: 3px solid var(--indigo); outline-offset: 2px; }
.region :focus-visible, header :focus-visible { outline-color: var(--text); box-shadow: 0 0 0 5px var(--indigo); }

.stage-strip { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.chip { background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; display: grid; grid-template-columns: auto 1fr; column-gap: 8px; }
.chip .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--grey); margin-top: 6px; }
.chip[data-health="green"] .dot { background: var(--green); }
.chip[data-health="amber"] .dot { background: var(--amber); }
.chip[data-health="red"] .dot { background: var(--red); }
.chip[data-health="grey"] .dot { background: var(--grey); }
.chip { min-width: 0; }
.chip-name { font-weight: 600; overflow-wrap: anywhere; }
.banner-region { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.banner { padding: 10px 14px; border-radius: 8px; margin: 4px 0 8px; font-weight: 600; }
.banner[data-level="amber"] { background: var(--amber); color: var(--on-amber); }
.banner[data-level="green"] { background: var(--green); color: var(--on-green); }
.chip-text { grid-column: 2; overflow-wrap: anywhere; color: var(--text-2); font-size: .85rem; }

.status-row, .today-stats { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 0; }
.stat { min-width: 110px; }
.stat dt { color: var(--text-2); font-size: .8rem; }
.stat dd { margin: 0; font-size: 1.15rem; font-weight: 600; }
.gate-badge { display: inline-block; padding: 2px 12px; border-radius: 999px; background: var(--grey); color: var(--bg); font-weight: 700; }
.gate[data-gate="CLOSED"] .gate-badge { background: var(--green); color: var(--on-green); }
.gate[data-gate="OPEN"] .gate-badge { background: var(--red); color: var(--on-red); }
.gate[data-gate="HALF-OPEN"] .gate-badge { background: var(--amber); color: var(--on-amber); }

.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.tile { position: relative; background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.tile[data-held="true"] { border: 2px dashed var(--amber); }
.tile-value { font-size: 1.6rem; font-weight: 700; margin: 0; }
.tile-delta, .tile-asof { color: var(--text-2); font-size: .85rem; margin: 0; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 4px; font-size: .8rem; font-weight: 700; }
.badge-held { position: absolute; top: 8px; right: 8px; background: var(--amber); color: var(--on-amber); border: 2px solid var(--on-amber); letter-spacing: .05em; text-transform: uppercase; }
.badge-sev { background: var(--red); color: var(--on-red); }

.caption, .note, .placeholder { color: var(--text-2); }
.notice { color: var(--text); border-left: 4px solid var(--indigo); padding-left: 8px; margin: 0; }
.error { color: var(--on-red); background: var(--red); padding: 8px 12px; border-radius: 6px; font-weight: 600; margin: 0; }
.blocked-reason { color: var(--amber); margin: 6px 0 0; }

.alert-card { border: 1px solid var(--red); border-radius: 8px; padding: 10px 12px; margin-bottom: 10px; }
.alert-card[data-status="resolved"] { border-color: var(--green); }
.alert-meta { color: var(--text-2); }
.alert-actions { margin-top: 8px; }

.table-wrap { overflow-x: auto; max-width: 100%; border: 1px solid var(--border); border-radius: 6px; margin-bottom: 10px; }
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--text-2); font-weight: 600; white-space: nowrap; }
td code { overflow-wrap: anywhere; }
.row-actions { white-space: nowrap; }
.row-actions > * { margin-right: 4px; }
tr[data-status="repaired"] td:nth-child(7) { color: var(--green); }
tr[data-status="discarded"] td:nth-child(7) { color: var(--text-2); }

.timeline { margin: 0; padding-left: 20px; max-height: 320px; overflow-y: auto; }
.timeline li { margin-bottom: 2px; }
.event-type { color: var(--indigo); font-weight: 600; }
time { color: var(--text-2); }
.headline, .storage-headline { font-weight: 700; font-size: 1.05rem; }
.storage-secondary, .storage-label { color: var(--text-2); }
details { margin: 6px 0; }
summary { cursor: pointer; }

.biz-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 8px 0; }
.biz-col { background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.biz-col h3 { margin: 0 0 6px; }
.biz-col ul { margin: 0; padding-left: 18px; }
.biz-without { border-color: var(--red); }
.biz-with { border-color: var(--green); }
.biz-alert { color: var(--red); font-weight: 600; }

@media (max-width: 1023px) {
  .biz-columns { grid-template-columns: 1fr; }
}
@media (max-width: 1100px) {
  .stage-strip { grid-template-columns: repeat(2, 1fr); }
  .tiles { grid-template-columns: repeat(2, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}
.tile h3 a { color: inherit; }