:root {
  --bg: #0e1215;
  --panel: #151b20;
  --panel-2: #1b232a;
  --line: #29333b;
  --ink: #e9edf0;
  --muted: #9ba7b1;
  --faint: #6f7c87;
  --red: #ff6f61;
  --red-bg: #3a1c1a;
  --amber: #f3bb4f;
  --amber-bg: #392d14;
  --green: #5ed39b;
  --green-bg: #15332a;
  --blue: #86bcff;
  --blue-bg: #172b40;
  --mono: 'IBM Plex Mono', ui-monospace, Consolas, monospace;
  --radius: 10px;
}
* { box-sizing: border-box; }
html { color-scheme: dark; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.55 'IBM Plex Sans', system-ui, sans-serif; }
button, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .45; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.mono { font-family: var(--mono); }

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 24px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; letter-spacing: -.2px; }
.brand-mark { width: 14px; height: 14px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 4px var(--red-bg); }
.topbar-note { color: var(--faint); font-size: 13px; }
main { max-width: 1320px; margin: 0 auto; padding: 24px; }

.eyebrow { text-transform: uppercase; letter-spacing: 1.4px; font-size: 12px; color: var(--amber); margin: 0 0 8px; font-weight: 600; }
h1 { font-size: clamp(26px, 4vw, 40px); line-height: 1.15; letter-spacing: -.8px; margin: 0 0 14px; max-width: 22ch; }
h2 { font-size: 16px; margin: 0; letter-spacing: -.1px; }
h3 { font-size: 15px; margin: 6px 0 4px; }

.btn { border: 1px solid var(--line); background: var(--panel-2); padding: 9px 14px; border-radius: 8px; min-height: 40px; }
.btn:hover:not(:disabled) { border-color: #3a4651; }
.btn.primary { background: var(--amber); border-color: var(--amber); color: #1d1606; font-weight: 600; }
.btn.danger { border-color: #5a2a26; color: var(--red); }
.btn.big { padding: 12px 22px; font-size: 16px; }

/* Intro */
.intro { max-width: 860px; padding: 24px 0 40px; }
.lede { color: var(--muted); font-size: 17px; max-width: 62ch; }
.how { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 26px 0; }
.how > div { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.how span { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--panel-2); color: var(--amber); font-family: var(--mono); font-size: 13px; }
.how p { margin: 0; color: var(--muted); font-size: 14px; }
.briefing { border-left: 3px solid var(--red); background: var(--panel); padding: 14px 18px; border-radius: 0 var(--radius) var(--radius) 0; margin: 0 0 20px; color: var(--ink); }
.briefing strong { display: block; color: var(--red); font-size: 13px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.fineprint { color: var(--faint); font-size: 13px; margin-top: 14px; max-width: 70ch; }

.judge { margin-top: 18px; color: var(--muted); font-size: 14px; }
.judge summary { cursor: pointer; color: var(--faint); }
.judge form { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 8px; }
.judge input { background: #0a0d10; border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; min-height: 40px; color: var(--ink); min-width: 0; flex: 1 1 220px; }

/* Status bar */
.statusbar { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr 1.3fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.sb-item { background: var(--panel); padding: 10px 14px; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.sb-label { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--faint); }
.sb-item strong { font-size: 16px; }
.sb-item small { color: var(--faint); font-size: 12px; }
.big-number { font-size: 22px !important; }
.pill { align-self: flex-start; font-size: 12px !important; padding: 3px 10px; border-radius: 99px; text-transform: uppercase; letter-spacing: 1px; }
.pill.firing { background: var(--red-bg); color: var(--red); }
.pill.recovering { background: var(--amber-bg); color: var(--amber); }
.pill.mitigated { background: var(--green-bg); color: var(--green); }
.pill.ended { background: var(--panel-2); color: var(--muted); }
.err-high { color: var(--red); } .err-mid { color: var(--amber); } .err-ok { color: var(--green); }
.pending { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.pending span { background: var(--blue-bg); color: var(--blue); border-radius: 99px; padding: 4px 12px; font-size: 13px; }
.alert { margin: 12px 0 16px; padding: 10px 14px; border-radius: 8px; background: var(--red-bg); color: #ffd6d1; font-size: 14px; display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.alert b { color: var(--red); font-family: var(--mono); }
.alert.calm { background: var(--green-bg); color: #c9f2dc; }
.alert.calm b { color: var(--green); }

/* Layout */
.grid { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(320px, 1fr); gap: 16px; align-items: start; }
.side { display: grid; gap: 16px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; min-width: 0; }
.panel-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.hint, .source { color: var(--faint); font-size: 12px; }

/* Tools */
.tools { display: grid; gap: 8px; margin-bottom: 14px; }
.tool-group { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.tool-group > span { width: 70px; font-size: 12px; color: var(--faint); text-transform: uppercase; letter-spacing: 1px; }
.tool-group button { border: 1px solid var(--line); background: var(--panel-2); border-radius: 6px; padding: 6px 10px; font-size: 13px; min-height: 34px; }
.tool-group button.active { border-color: var(--amber); color: var(--amber); }
.look { border-top: 1px solid var(--line); padding-top: 14px; min-height: 320px; }
.look-empty { color: var(--faint); padding: 40px 0; text-align: center; }
.look-title { display: flex; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 13px; margin-bottom: 10px; flex-wrap: wrap; }
.look-title b { color: var(--ink); font-weight: 600; }

/* Charts */
.charts { display: grid; gap: 14px; }
.chart { background: var(--panel-2); border-radius: 8px; padding: 10px 12px 6px; }
.chart-head { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }
.chart-head b { font-family: var(--mono); color: var(--ink); }
.chart svg { width: 100%; height: 130px; display: block; }
.chart .axis { fill: var(--faint); font: 10px var(--mono); }
.chart .deploy { stroke: var(--amber); stroke-dasharray: 3 3; }
.chart .deploy-label { fill: var(--amber); font: 10px var(--mono); }
.chart .grid-line { stroke: var(--line); }
.chart .line { fill: none; stroke: var(--blue); stroke-width: 1.8; }
.chart .area { fill: var(--blue); opacity: .08; }

/* Logs */
.log-tools { display: flex; justify-content: flex-end; margin-bottom: 6px; font-size: 13px; color: var(--muted); }
.log-tools label { display: flex; gap: 6px; align-items: center; cursor: pointer; }
.logs { font: 12.5px/1.6 var(--mono); background: #0a0d10; border-radius: 8px; padding: 10px 12px; overflow-x: auto; }
.logs div { white-space: pre-wrap; word-break: break-word; }
.logs .t { color: var(--faint); } .logs .ERROR { color: var(--red); } .logs .WARN { color: var(--amber); } .logs .INFO { color: #8fa3b3; }
.logs.errors-only div:not(.lvl-ERROR) { display: none; }

/* Deploys, flags, runbook */
.rows { display: grid; gap: 8px; }
.row { background: var(--panel-2); border-radius: 8px; padding: 10px 12px; display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center; }
.row .meta { color: var(--faint); font-size: 12px; }
.row .desc { color: var(--muted); font-size: 13px; grid-column: 1 / -1; }
.row code { font-family: var(--mono); color: var(--blue); }
.small-btn { border: 1px solid var(--line); background: transparent; border-radius: 6px; padding: 5px 10px; font-size: 13px; min-height: 32px; }
.release ul, .runbook ul { margin: 6px 0 0; padding-left: 20px; color: var(--muted); }
.release li { margin: 3px 0; }
.migration { margin-top: 10px; padding: 8px 12px; border-radius: 6px; font-size: 13px; }
.migration.safe { background: var(--green-bg); color: #c9f2dc; }
.migration.unsafe { background: var(--red-bg); color: #ffd6d1; }
.runbook h3 { margin-top: 14px; }
.flag-state { font-family: var(--mono); font-size: 12px; padding: 2px 8px; border-radius: 4px; }
.flag-state.on { background: var(--green-bg); color: var(--green); }
.flag-state.off { background: var(--panel); color: var(--muted); }

/* Actions */
.actions { display: grid; gap: 6px; }
.action { border: 1px solid var(--line); background: var(--panel-2); border-radius: 8px; padding: 9px 12px; text-align: left; display: flex; justify-content: space-between; gap: 10px; align-items: center; min-height: 42px; }
.action small { color: var(--faint); font-size: 12px; white-space: nowrap; }
.action:hover:not(:disabled) { border-color: #3a4651; }
.confirm { border: 1px solid var(--amber); background: var(--amber-bg); border-radius: 8px; padding: 10px 12px; font-size: 14px; display: grid; gap: 8px; }
.confirm div { display: flex; gap: 8px; }
.status-compose { margin-top: 12px; border-top: 1px solid var(--line); padding-top: 10px; }
.status-compose summary { cursor: pointer; color: var(--muted); font-size: 14px; }
.status-compose textarea { width: 100%; margin: 8px 0; background: #0a0d10; border: 1px solid var(--line); border-radius: 6px; padding: 8px; resize: vertical; }
.act-foot { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.act-foot .btn { flex: 1; }

/* Teammate */
.chat { list-style: none; margin: 0 0 10px; padding: 0; max-height: 300px; overflow-y: auto; display: grid; gap: 8px; }
.msg { border-radius: 8px; padding: 8px 10px; font-size: 14px; max-width: 92%; }
.msg p { margin: 0; white-space: pre-wrap; word-break: break-word; }
.msg .who { display: block; color: var(--faint); font-size: 11px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 2px; }
.msg.trainee { background: var(--panel-2); justify-self: end; }
.msg.teammate { background: var(--blue-bg); color: #d6e7ff; justify-self: start; }
.msg.typing p { color: var(--blue); }
.chat-empty { color: var(--faint); font-size: 13px; }
.chat-form textarea { width: 100%; background: #0a0d10; border: 1px solid var(--line); border-radius: 6px; padding: 8px; resize: vertical; }
.chat-foot { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 6px; }
.chat-foot small { color: var(--faint); font-size: 12px; }

/* Timeline */
.timeline { list-style: none; margin: 0; padding: 0; max-height: 420px; overflow-y: auto; display: grid; gap: 2px; }
.timeline li { display: grid; grid-template-columns: 44px 42px 1fr; gap: 8px; padding: 6px 4px; border-radius: 6px; font-size: 13px; scroll-margin: 40px; }
.timeline li.flash { background: var(--amber-bg); }
.timeline .id { font-family: var(--mono); color: var(--faint); font-size: 12px; }
.timeline .when { font-family: var(--mono); color: var(--muted); font-size: 12px; }
.timeline .what b { font-weight: 500; }
.timeline .what small { display: block; color: var(--faint); font-size: 12px; word-break: break-word; }
.timeline .k-action .what b { color: var(--amber); }
.timeline .k-system .what b { color: var(--blue); }
.timeline .k-comms .what b { color: var(--green); }
.timeline li.timeline-empty { display: block; color: var(--faint); font-size: 13px; padding: 8px 4px; }
#debrief .timeline { max-height: 560px; }

/* Debrief */
#debrief h1 { max-width: 30ch; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 18px 0; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.stat span { display: block; color: var(--faint); font-size: 12px; text-transform: uppercase; letter-spacing: 1px; }
.stat b { font: 600 22px var(--mono); }
.debrief-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.facts { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.fact { border-left: 3px solid var(--line); background: var(--panel-2); border-radius: 0 8px 8px 0; padding: 10px 12px; }
.fact.good { border-left-color: var(--green); }
.fact.gap { border-left-color: var(--red); }
.fact.info { border-left-color: var(--blue); }
.fact .tone { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--faint); }
.fact p { margin: 2px 0 6px; }
.refs { display: flex; flex-wrap: wrap; gap: 6px; }
.ref { font: 12px var(--mono); border: 1px solid var(--line); background: transparent; border-radius: 4px; padding: 1px 7px; color: var(--muted); }
.ref:hover { border-color: var(--amber); color: var(--amber); }
.read { margin-top: 16px; }
.read-note { color: var(--muted); margin: 0 0 10px; }
.fact.next { border-left-color: var(--amber); }
.fact.flash, .compare tr.flash td { background: var(--amber-bg); }
.fid { font: 12px var(--mono); color: var(--faint); margin-right: 4px; }
.compare { margin-top: 16px; }

/* Plan stress test */
.stress { margin-top: 16px; border-color: #5b4720; }
.stress-intro { color: var(--muted); margin: 0 0 12px; max-width: 80ch; }
.stress-intro b { color: var(--ink); }
#plan-text { width: 100%; background: #0a0d10; border: 1px solid var(--line); border-radius: 6px; padding: 8px; resize: vertical; }
.plan { border-top: 1px solid var(--line); margin-top: 16px; padding-top: 14px; }
.plan-head { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; margin-bottom: 8px; }
.plan-head q { color: var(--muted); }
.plan-steps, .trace { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.plan-steps li, .trace li { display: grid; grid-template-columns: 34px 1fr; gap: 8px; font-size: 14px; }
.plan-steps li.branch { padding-left: 22px; }
.plan-steps .n, .trace .n { font-family: var(--mono); color: var(--faint); font-size: 12px; padding-top: 2px; }
.trace small { display: block; color: var(--faint); font-size: 12px; }
.plan-notes { margin: 8px 0 0; padding-left: 18px; color: var(--muted); font-size: 13px; }
.plan-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.plan-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 12px; }
.plan-col { background: var(--panel-2); border-radius: 8px; padding: 12px; min-width: 0; }
.plan-col h3 { margin: 0 0 6px; }
.verdict { display: inline-block; font-size: 12px; text-transform: uppercase; letter-spacing: 1px; padding: 3px 10px; border-radius: 99px; }
.verdict.good { background: var(--green-bg); color: var(--green); }
.verdict.bad { background: var(--red-bg); color: var(--red); }
.verdict.mid { background: var(--amber-bg); color: var(--amber); }
.plan-col dl { display: grid; gap: 4px; margin: 10px 0; }
.plan-col dl div { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; }
.plan-col dt { color: var(--faint); }
.plan-col dd { margin: 0; font-family: var(--mono); }
.plan-stop { background: var(--amber-bg); color: #f6dca3; border-radius: 6px; padding: 6px 10px; font-size: 13px; margin: 8px 0; }
.plan-facts { margin-top: 10px; font-size: 13px; }
.plan-facts summary { cursor: pointer; color: var(--muted); }
.plan-facts .facts { margin-top: 8px; }
.plan-compare { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 12px; }
.plan-compare th, .plan-compare td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.plan-compare th { color: var(--faint); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: 1px; }
.plan-compare tr.flash td { background: var(--amber-bg); }
.plan-why, .plan-versus { margin-top: 14px; }
.plan-why h3, .plan-versus h3 { margin: 0; }
.plan-versus { overflow-x: auto; }
.compare table { width: 100%; border-collapse: collapse; font-size: 14px; }
.compare th, .compare td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare th { color: var(--faint); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 1px; }
.compare td:first-child { color: var(--muted); }
.replay-cta { margin-top: 16px; display: flex; justify-content: space-between; align-items: center; gap: 20px; background: linear-gradient(120deg, var(--amber-bg), var(--panel)); border: 1px solid #5b4720; border-radius: var(--radius); padding: 20px; }
.replay-cta h2 { font-size: 20px; margin-bottom: 4px; }
.replay-cta p { margin: 0; color: var(--muted); }
.db-foot { margin-top: 18px; }

#toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--panel-2); border: 1px solid var(--line); padding: 10px 16px; border-radius: 8px; max-width: calc(100vw - 32px); z-index: 10; }

@media (max-width: 980px) {
  .grid, .debrief-grid { grid-template-columns: 1fr; }
  .statusbar { grid-template-columns: repeat(2, 1fr); }
  .statusbar .sb-item:first-child { grid-column: 1 / -1; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .plan-cols { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  main { padding: 16px; }
  .topbar { padding: 12px 16px; }
  .topbar-note { display: none; }
  .how { grid-template-columns: 1fr; }
  .tool-group > span { width: 100%; }
  .replay-cta { flex-direction: column; align-items: flex-start; }
  .timeline li { grid-template-columns: 38px 40px 1fr; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }