:root {
  color-scheme: dark;
  --ink: #ecf0e8;
  --muted: #8a928a;
  --panel: #111511;
  --line: #303730;
  --lime: #c8ff3d;
  --coral: #ff6b57;
  --blue: #61a8ff;
  --black: #080a08;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--black);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  min-height: 100vh;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

header, main, footer { width: min(1240px, calc(100% - 40px)); margin-inline: auto; }

header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 55px 0 40px;
  border-bottom: 1px solid var(--line);
}

.eyebrow, .section-heading span, label, article > span, footer, .node span {
  font: 700 11px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .13em;
  color: var(--muted);
}

h1 { margin: 12px 0 0; font-size: clamp(48px, 7vw, 96px); line-height: .82; letter-spacing: -.065em; text-transform: uppercase; }
h1 span { color: var(--lime); }

.live-badge { border: 1px solid var(--line); padding: 12px 14px; font: 700 11px ui-monospace, monospace; letter-spacing: .1em; }
.live-badge i { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 12px var(--lime); }

.route-card { display: grid; grid-template-columns: 1fr 120px 1.2fr 120px 1fr; align-items: center; padding: 30px 0; }
.node { min-height: 105px; border: 1px solid var(--line); padding: 18px; display: grid; grid-template-columns: auto 1fr; gap: 12px; background: var(--panel); }
.node b { grid-row: span 2; color: var(--lime); font: 500 28px ui-monospace, monospace; }
.node strong { align-self: end; font-size: 17px; }
.worker-node { border-color: #6f872c; box-shadow: inset 0 -3px var(--lime); }
.route-line { height: 1px; background: var(--line); position: relative; text-align: center; }
.route-line::after { content: ">"; position: absolute; right: -2px; top: -9px; color: var(--lime); }
.route-line span { position: relative; top: -20px; padding: 3px 7px; color: var(--muted); background: var(--black); font: 10px ui-monospace, monospace; }

.policy-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.policy-grid article { padding: 24px; border-right: 1px solid var(--line); }
.policy-grid article:last-child { border: 0; }
.policy-grid strong { display: block; margin-top: 12px; color: var(--lime); font: 600 48px ui-monospace, monospace; }
.policy-grid .status-value { font-size: 26px; margin-top: 26px; }
.policy-grid p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }

.demo-grid { display: grid; grid-template-columns: .9fr 1.1fr; border: 1px solid var(--line); margin-top: 30px; }
.control-panel, .event-panel, .connection-test { padding: 28px; background: var(--panel); }
.control-panel { border-right: 1px solid var(--line); }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
h2 { margin: 5px 0 0; font-size: 25px; letter-spacing: -.025em; }
.description { color: var(--muted); line-height: 1.55; font-size: 14px; max-width: 720px; }
.socket-state { padding: 8px 10px; border: 1px solid var(--line); font: 700 10px ui-monospace, monospace; }
.socket-state.connected { color: var(--lime); border-color: #667e29; }
.socket-state.connecting { color: var(--blue); }

button, input { font: 700 12px ui-monospace, SFMono-Regular, monospace; }
button { border: 1px solid #454d45; color: var(--ink); background: #1b211b; padding: 12px 16px; cursor: pointer; text-transform: uppercase; }
button:hover:not(:disabled) { border-color: var(--lime); }
button:disabled { cursor: not-allowed; opacity: .35; }
button.primary { color: var(--black); background: var(--lime); border-color: var(--lime); }
.actions { display: flex; gap: 8px; margin: 24px 0; }
label { display: block; margin-bottom: 8px; }
.send-row { display: grid; grid-template-columns: 1fr auto; }
input { width: 100%; min-width: 0; border: 1px solid #454d45; border-right: 0; background: #090c09; color: var(--ink); padding: 13px; outline: 0; }
input:focus { border-color: var(--lime); }
.burst { display: flex; width: 100%; justify-content: space-between; margin-top: 10px; }
.burst span { color: var(--lime); font-size: 9px; }

.counters { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 25px; border-top: 1px solid var(--line); }
.counters div { padding-top: 18px; }
.counters span { display: block; font: 500 32px ui-monospace, monospace; }
.counters small { color: var(--muted); font: 700 9px ui-monospace, monospace; letter-spacing: .12em; }
.counters .blocked span { color: var(--coral); }

.event-panel { min-width: 0; }
.text-button { border: 0; background: none; color: var(--muted); padding: 5px; }
.event-log { height: 420px; margin-top: 20px; overflow: auto; border-top: 1px solid var(--line); font: 12px/1.4 ui-monospace, SFMono-Regular, monospace; }
.event { display: grid; grid-template-columns: 68px 70px 1fr; gap: 8px; padding: 11px 4px; border-bottom: 1px solid #252a25; animation: enter .18s ease-out; }
.event time { color: #626a62; }
.event b { color: var(--blue); }
.event.origin b { color: var(--lime); }
.event.blocked b, .event.error b { color: var(--coral); }
.event pre { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; color: #b6beb6; font: inherit; }
.empty-state { display: grid; height: 100%; place-items: center; color: #596059; text-align: center; }

.connection-test { margin: 30px 0; border: 1px solid var(--line); }
.connection-slots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 24px; }
.connection-slots div { display: flex; justify-content: space-between; border: 1px solid var(--line); padding: 18px; font: 700 11px ui-monospace, monospace; }
.connection-slots b { color: var(--muted); }
.connection-slots .pending { color: var(--blue); border-color: var(--blue); }
.connection-slots .accepted { color: var(--lime); border-color: #667e29; }
.connection-slots .rejected { color: var(--coral); border-color: var(--coral); }
.browser-note { color: var(--muted); font: 11px ui-monospace, monospace; }

.login-case { display: grid; grid-template-columns: .85fr 1.15fr; border: 1px solid var(--line); margin: 30px 0; background: var(--panel); }
.case-intro, .payload-card { padding: 30px; }
.case-intro { border-right: 1px solid var(--line); }
.case-intro h2 { margin: 14px 0 20px; font-size: clamp(30px, 4vw, 52px); line-height: .95; text-transform: uppercase; }
.case-intro h2 span { color: var(--coral); }
code { color: var(--lime); font-family: ui-monospace, monospace; }
.case-callout { margin-top: 28px; border-left: 3px solid var(--coral); background: #1b1210; padding: 18px; }
.case-callout b { color: var(--coral); font: 700 11px ui-monospace, monospace; text-transform: uppercase; letter-spacing: .12em; }
.case-callout p { margin: 8px 0 0; color: #c0aaa6; font-size: 13px; line-height: 1.5; }
.case-limit { color: var(--coral); border: 1px solid var(--coral); padding: 8px 10px; font: 700 10px ui-monospace, monospace; }
.payload-card > pre { margin: 22px 0; padding: 18px; overflow: auto; background: #080a08; border: 1px solid var(--line); color: #b9c0b9; font: 12px/1.55 ui-monospace, monospace; }
.case-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
button.danger { color: var(--coral); border-color: var(--coral); background: #1b1210; }
.login-results { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 22px; border-top: 1px solid var(--line); }
.login-results div { padding-top: 15px; }
.login-results span { display: block; font: 500 27px ui-monospace, monospace; }
.login-results div:last-child span { color: var(--coral); }
.login-results small { color: var(--muted); font: 700 9px ui-monospace, monospace; letter-spacing: .1em; }
.login-log { min-height: 42px; margin-top: 18px; padding: 12px; background: #090c09; color: var(--muted); font: 11px/1.55 ui-monospace, monospace; }

footer { display: flex; justify-content: space-between; padding: 20px 0 40px; border-top: 1px solid var(--line); }

@keyframes enter { from { opacity: 0; transform: translateY(-4px); } }

@media (max-width: 800px) {
  header { padding-top: 30px; }
  .live-badge { display: none; }
  .route-card { grid-template-columns: 1fr; gap: 8px; }
  .route-line { height: 28px; width: 1px; margin-left: 30px; }
  .route-line::after { content: "v"; top: 17px; right: -4px; }
  .route-line span { top: 7px; left: 10px; }
  .policy-grid, .demo-grid { grid-template-columns: 1fr; }
  .policy-grid article { border-right: 0; border-bottom: 1px solid var(--line); }
  .control-panel { border-right: 0; border-bottom: 1px solid var(--line); }
  .connection-slots { grid-template-columns: 1fr 1fr; }
  .connection-test .section-heading { align-items: flex-start; flex-direction: column; }
  .login-case { grid-template-columns: 1fr; }
  .case-intro { border-right: 0; border-bottom: 1px solid var(--line); }
  .case-actions { grid-template-columns: 1fr; }
}