/* Socketly status page. Tokens follow the araylab.com look: warm paper
   background, near black ink, one signal blue, dark ink panels, Geist. */
:root {
  --bg: hsl(40 13% 95.5%);
  --fg: hsl(0 0% 3.9%);
  --card: hsl(0 0% 100%);
  --muted: hsl(40 10% 92%);
  --muted-fg: hsl(30 2% 40%);
  --border: hsl(40 6% 88%);
  --signal: hsl(225 100% 50%);
  --signal-soft: hsl(225 100% 50% / 0.1);
  --ok: hsl(152 60% 36%);
  --warn: hsl(32 95% 44%);
  --bad: hsl(0 72% 51%);
  --ink: hsl(0 0% 6.7%);
  --ink-fg: hsl(53 27% 93%);
  --ink-muted: hsl(53 10% 65%);
  --ink-line: hsl(0 0% 100% / 0.14);
  --radius: 1rem;
  --sans: "Geist", ui-sans-serif, system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: hsl(0 0% 5%);
    --fg: hsl(53 27% 93%);
    --card: hsl(0 0% 8.5%);
    --muted: hsl(0 0% 12%);
    --muted-fg: hsl(53 8% 62%);
    --border: hsl(0 0% 100% / 0.1);
    --signal: hsl(225 100% 66%);
    --signal-soft: hsl(225 100% 66% / 0.14);
    --ok: hsl(152 55% 50%);
    --warn: hsl(36 95% 58%);
    --bad: hsl(0 80% 64%);
    --ink: hsl(0 0% 9%);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
code { font-family: var(--mono); font-size: 0.88em; background: var(--muted); padding: 0.1em 0.4em; border-radius: 6px; }
.container { width: min(1520px, 100% - 32px); margin-inline: auto; }
@media (min-width: 900px) { .container { width: min(1520px, 100% - 64px); } }

/* Header */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.top-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { font-weight: 600; font-size: 23px; letter-spacing: -0.055em; }
.brand-dot { color: var(--signal); }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { color: var(--muted-fg); text-decoration: none; font-size: 14px; padding: 8px 12px; border-radius: 999px; }
.nav a:hover, .nav a:focus-visible { color: var(--fg); background: var(--muted); }

/* Hero */
.hero { padding: 72px 0 32px; }
.eyebrow { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted-fg); margin: 0 0 16px; }
h1 { font-size: clamp(32px, 5.4vw, 60px); line-height: 1.04; letter-spacing: -0.045em; font-weight: 600; margin: 0; max-width: 18ch; }
.lead { color: var(--muted-fg); font-size: 18px; max-width: 60ch; margin: 20px 0 32px; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.kpi { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; }
.kpi-value { font-size: 34px; font-weight: 600; letter-spacing: -0.04em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.kpi-label { color: var(--muted-fg); font-size: 14px; margin-top: 4px; }
.updated { font-family: var(--mono); font-size: 12px; color: var(--muted-fg); margin-top: 16px; }

/* Blocks */
.block { padding: 56px 0; border-top: 1px solid var(--border); }
.block-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 24px; margin-bottom: 28px; }
h2 { font-size: clamp(26px, 3.4vw, 36px); letter-spacing: -0.04em; font-weight: 600; margin: 0; }
.block-head p { margin: 0; color: var(--muted-fg); max-width: 56ch; }
.ink { background: var(--ink); color: var(--ink-fg); border-radius: calc(var(--radius) * 1.5); padding: 48px clamp(16px, 4vw, 48px); border: none; margin-block: 24px; }
.ink .block-head p { color: var(--ink-muted); }

/* Phases */
.phases { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; counter-reset: phase; }
.phase { position: relative; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 16px 18px; }
.phase-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 8px; margin-bottom: 10px; }
.phase-num { white-space: nowrap; }
.phase-num { font-family: var(--mono); font-size: 12px; color: var(--muted-fg); }
.phase-name { font-weight: 600; letter-spacing: -0.02em; line-height: 1.25; }
.phase-sum { color: var(--muted-fg); font-size: 13.5px; margin-top: 6px; }
.phase.active { border-color: var(--signal); box-shadow: 0 0 0 3px var(--signal-soft); }
.phase .bar { height: 4px; border-radius: 4px; background: var(--muted); margin-top: 14px; overflow: hidden; }
.phase .bar span { display: block; height: 100%; background: var(--fg); }
.phase.active .bar span { background: var(--signal); }
.pill { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; padding: 3px 8px; border-radius: 999px; background: var(--muted); color: var(--muted-fg); white-space: nowrap; }
.pill.done { background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok); }
.pill.active { background: var(--signal-soft); color: var(--signal); }

/* Board */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.chip { font: inherit; font-size: 14px; border: 1px solid var(--border); background: var(--card); color: var(--fg); padding: 6px 14px; border-radius: 999px; cursor: pointer; }
.chip:hover { border-color: var(--muted-fg); }
.chip[aria-pressed="true"] { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.chip:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }
.board { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(250px, 1fr); gap: 14px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x proximity; }
.column { background: var(--muted); border-radius: var(--radius); padding: 12px; min-width: 0; scroll-snap-align: start; }
.column-head { display: flex; align-items: center; justify-content: space-between; padding: 4px 6px 12px; }
.column-name { font-weight: 600; letter-spacing: -0.02em; }
.count { font-family: var(--mono); font-size: 12px; color: var(--muted-fg); }
.column.founder { background: var(--signal-soft); }
.cards { display: grid; gap: 10px; max-height: 760px; overflow-y: auto; padding-right: 2px; scrollbar-width: thin; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px; }
.card-title { font-weight: 600; font-size: 15px; letter-spacing: -0.01em; line-height: 1.3; }
.card-detail { color: var(--muted-fg); font-size: 13.5px; margin-top: 6px; }
.card-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.tag { font-family: var(--mono); font-size: 11px; padding: 2px 7px; border-radius: 6px; background: var(--muted); color: var(--muted-fg); }
.empty { color: var(--muted-fg); font-size: 14px; padding: 8px 6px; }

/* Diagram */
.diagram { margin: 0; }
.diagram svg { width: 100%; height: auto; display: block; }
.diagram .node rect { fill: hsl(0 0% 100% / 0.05); stroke: var(--ink-line); stroke-width: 1.2; }
.diagram .node.engine rect { fill: hsl(225 100% 60% / 0.18); stroke: hsl(225 100% 66%); }
.diagram .node.edge rect { stroke: hsl(225 100% 66%); stroke-dasharray: 4 4; }
.diagram .node.plane rect { fill: hsl(53 27% 93% / 0.08); }
.diagram text { fill: var(--ink-fg); font-family: var(--sans); font-size: 15px; font-weight: 600; text-anchor: middle; }
.diagram text.sub { font-family: var(--mono); font-size: 11px; font-weight: 400; fill: var(--ink-muted); }
.diagram .region rect { fill: none; stroke: var(--ink-line); stroke-dasharray: 2 6; }
.diagram .region-label { text-anchor: start; font-family: var(--mono); font-size: 12px; font-weight: 500; fill: var(--ink-muted); }
.diagram .link { fill: none; stroke: var(--ink-fg); stroke-opacity: 0.55; stroke-width: 1.6; }
.diagram .link.dashed { stroke-dasharray: 5 5; }
.diagram .link.gateway { stroke: hsl(225 100% 66%); stroke-opacity: 1; }
.diagram .arrow-head { fill: var(--ink-fg); fill-opacity: 0.7; }
.diagram figcaption { color: var(--ink-muted); font-size: 14px; margin-top: 16px; max-width: 80ch; }

/* Charts */
.charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr)); gap: 14px; }
.chart-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; min-width: 0; }
.chart-card h3 { margin: 0; font-size: 18px; letter-spacing: -0.02em; }
.chart-note { color: var(--muted-fg); font-size: 13.5px; margin: 6px 0 18px; }
.hbar { display: grid; grid-template-columns: minmax(110px, 38%) 1fr; gap: 10px 14px; align-items: center; }
.hbar-label { font-size: 13.5px; line-height: 1.3; }
.hbar-track { position: relative; height: 26px; background: var(--muted); border-radius: 8px; overflow: hidden; display: flex; }
.hbar-fill { height: 100%; background: var(--fg); }
.hbar-fill.signal { background: var(--signal); }
.hbar-fill.ok { background: var(--ok); }
.hbar-fill.warn { background: var(--warn); }
.hbar-fill.bad { background: var(--bad); }
.hbar-fill.quiet { background: var(--muted-fg); opacity: 0.45; }
.hbar-fill.outline { background: transparent; box-shadow: inset 0 0 0 2px var(--fg); border-radius: 8px; }
.hbar-value { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); font-family: var(--mono); font-size: 12px; font-variant-numeric: tabular-nums; color: var(--fg); background: color-mix(in srgb, var(--card) 80%, transparent); padding: 0 5px; border-radius: 4px; }
.legend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 14px; font-size: 13px; color: var(--muted-fg); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

/* Footer */
.foot { border-top: 1px solid var(--border); padding: 28px 0 40px; margin-top: 32px; color: var(--muted-fg); font-size: 14px; }
.foot-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }

@media (max-width: 640px) {
  .hero { padding-top: 40px; }
  .nav { display: none; }
  .hbar { grid-template-columns: 1fr; gap: 4px; }
  .hbar-track { margin-bottom: 8px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* Language switch */
.lang { font-family: var(--mono); font-size: 12px; text-decoration: none; color: var(--fg); border: 1px solid var(--border); background: var(--card); padding: 6px 12px; border-radius: 999px; white-space: nowrap; }
.lang:hover, .lang:focus-visible { border-color: var(--fg); }
a.brand { color: var(--fg); text-decoration: none; }
.card-doc { display: inline-block; margin-top: 10px; font-size: 13px; color: var(--signal); text-decoration: none; }
.card-doc:hover { text-decoration: underline; }

/* Document list on the home page */
.doc-groups { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 14px; }
.doc-group { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; min-width: 0; }
.doc-group-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 10px; }
.doc-group h3 { margin: 0; font-size: 17px; letter-spacing: -0.02em; }
.doc-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; max-height: 320px; overflow-y: auto; scrollbar-width: thin; }
.doc-list li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px; }
.doc-link { color: var(--fg); text-decoration: none; font-size: 14.5px; padding: 5px 0; border-bottom: 1px solid transparent; }
.doc-link:hover, .doc-link:focus-visible { color: var(--signal); }
.doc-flag { font-family: var(--mono); font-size: 11px; color: var(--muted-fg); }

/* Document reader */
.doc-layout { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 40px; padding: 32px 0 64px; align-items: start; }
.doc-side { position: sticky; top: 88px; max-height: calc(100vh - 110px); overflow-y: auto; scrollbar-width: thin; }
.doc-nav summary { font-weight: 600; cursor: pointer; padding: 6px 0; list-style: none; }
.doc-nav summary::-webkit-details-marker { display: none; }
.doc-nav-group { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted-fg); margin: 18px 0 6px; }
.doc-nav ul { list-style: none; margin: 0; padding: 0; }
.doc-nav li a { display: block; font-size: 13.5px; line-height: 1.35; color: var(--muted-fg); text-decoration: none; padding: 5px 8px; border-radius: 8px; }
.doc-nav li a:hover { color: var(--fg); background: var(--muted); }
.doc-nav li a[aria-current="page"] { color: var(--fg); background: var(--card); box-shadow: inset 0 0 0 1px var(--border); font-weight: 500; }
.doc-main { min-width: 0; }
.doc-toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px 16px; margin-bottom: 12px; }
.doc-path { font-family: var(--mono); font-size: 12px; color: var(--muted-fg); overflow-wrap: anywhere; }
.doc-github { font-size: 13px; color: var(--signal); text-decoration: none; }
.doc-note { background: var(--signal-soft); border-radius: 12px; padding: 10px 14px; font-size: 14px; }

.prose { max-width: 1040px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: clamp(20px, 4vw, 48px); font-size: 16.5px; line-height: 1.7; overflow-wrap: break-word; }
.prose > :first-child { margin-top: 0; }
.prose h1 { font-size: clamp(28px, 4vw, 40px); line-height: 1.12; letter-spacing: -0.04em; margin: 0 0 24px; max-width: none; }
.prose h2 { font-size: 26px; letter-spacing: -0.03em; margin: 44px 0 14px; padding-top: 20px; border-top: 1px solid var(--border); }
.prose h3 { font-size: 19px; letter-spacing: -0.02em; margin: 30px 0 10px; }
.prose h4 { font-size: 16px; margin: 24px 0 8px; }
.prose p, .prose ul, .prose ol { margin: 0 0 14px; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li { margin: 4px 0; }
.prose a { color: var(--signal); text-underline-offset: 2px; }
.prose strong { font-weight: 600; }
.prose blockquote { margin: 16px 0; padding: 4px 18px; border-left: 3px solid var(--signal); color: var(--muted-fg); }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 32px 0; }
.prose code { font-size: 0.86em; }
.prose pre { background: var(--ink); color: var(--ink-fg); border-radius: 12px; padding: 16px 18px; overflow-x: auto; font-size: 13.5px; line-height: 1.55; }
.prose pre code { background: none; padding: 0; color: inherit; font-size: inherit; }
.prose .table-wrap { overflow-x: auto; margin: 16px 0 20px; border: 1px solid var(--border); border-radius: 12px; }
.prose table { border-collapse: collapse; width: 100%; font-size: 14.5px; line-height: 1.45; }
.prose th, .prose td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
.prose th { background: var(--muted); font-weight: 600; white-space: nowrap; }
.prose tr:last-child td { border-bottom: none; }
.prose .mermaid { margin: 20px 0 24px; padding: 16px; border: 1px solid var(--border); border-radius: 12px; background: var(--bg); overflow-x: auto; text-align: center; }
.prose .mermaid svg { max-width: 100%; height: auto; }

@media (max-width: 900px) {
  .doc-layout { grid-template-columns: 1fr; gap: 16px; padding-top: 16px; }
  .doc-side { position: static; max-height: none; border: 1px solid var(--border); border-radius: var(--radius); padding: 8px 14px; background: var(--card); }
}