/* ============================================================
   CEBU OFFICE — UniFi WiFi 7 Deployment Dossier
   Self-hosted, self-contained. No external fonts/CDNs.
   Dark NOC theme — refined, technical, print-degradable.
   ============================================================ */
:root {
  --bg: #0b1220;
  --bg-2: #0e1628;
  --panel: #111c31;
  --panel-2: #16233c;
  --line: #22304d;
  --line-2: #2e3f61;
  --text: #e8eef7;
  --text-dim: #9fb0c9;
  --text-faint: #64748b;
  --accent: #38bdf8;
  --accent-2: #818cf8;
  --ok: #34d399;
  --warn: #fbbf24;
  --danger: #f87171;
  --wifi24: #f59e0b;
  --wifi5: #38bdf8;
  --wifi6: #a78bfa;
  --cable: #34d399;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 10px;
  --maxw: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}
body::before { /* subtle blueprint grid */
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(56,189,248,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,.03) 1px, transparent 1px);
  background-size: 42px 42px;
}
main, header.site, footer.site { position: relative; z-index: 1; }

/* ---------- header / nav ---------- */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,18,32,.85); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; gap: 18px; height: 56px;
}
.brand { display: flex; align-items: baseline; gap: 10px; text-decoration: none; color: var(--text); white-space: nowrap; }
.brand b { font-family: var(--mono); font-size: 15px; letter-spacing: .08em; }
.brand span { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: .14em; }
nav.pages { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; }
nav.pages::-webkit-scrollbar { display: none; }
nav.pages a {
  color: var(--text-dim); text-decoration: none; font-size: 13px;
  padding: 6px 11px; border-radius: 7px; white-space: nowrap;
}
nav.pages a:hover { color: var(--text); background: var(--panel-2); }
nav.pages a.active { color: var(--accent); background: rgba(56,189,248,.1); }

/* ---------- layout ---------- */
main { max-width: var(--maxw); margin: 0 auto; padding: 34px 20px 80px; }
main.wide { max-width: 1440px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 6px; letter-spacing: -.02em; }
h1 .k { color: var(--accent); }
h2 { font-size: 20px; margin: 44px 0 14px; padding-bottom: 8px; border-bottom: 1px solid var(--line); letter-spacing: -.01em; }
h3 { font-size: 16px; margin: 26px 0 10px; }
p.lead { color: var(--text-dim); font-size: 16.5px; max-width: 72ch; margin: 0 0 22px; }
p { max-width: 78ch; }
a { color: var(--accent); }
code, .mono { font-family: var(--mono); font-size: .92em; }
code { background: var(--panel-2); padding: 1px 6px; border-radius: 5px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 34px 0; }
.dim { color: var(--text-dim); } .faint { color: var(--text-faint); }
.small { font-size: 13px; }

/* ---------- components ---------- */
.grid { display: grid; gap: 14px; }
.grid.c2 { grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); }
.grid.c3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid.c4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px;
}
.card h3 { margin-top: 0; }
.card.accent { border-left: 3px solid var(--accent); }
.card.ok { border-left: 3px solid var(--ok); }
.card.warn { border-left: 3px solid var(--warn); }
.card.danger { border-left: 3px solid var(--danger); }

.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 18px; }
.stat .v { font-family: var(--mono); font-size: 26px; font-weight: 700; letter-spacing: -.02em; }
.stat .v small { font-size: 14px; font-weight: 400; color: var(--text-dim); }
.stat .l { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .1em; margin-top: 2px; }

.badge {
  display: inline-block; font-family: var(--mono); font-size: 11px; letter-spacing: .06em;
  padding: 2px 9px; border-radius: 999px; border: 1px solid var(--line-2);
  color: var(--text-dim); vertical-align: middle;
}
.badge.ok { color: var(--ok); border-color: rgba(52,211,153,.4); background: rgba(52,211,153,.08); }
.badge.warn { color: var(--warn); border-color: rgba(251,191,36,.4); background: rgba(251,191,36,.08); }
.badge.danger { color: var(--danger); border-color: rgba(248,113,113,.4); background: rgba(248,113,113,.08); }
.badge.info { color: var(--accent); border-color: rgba(56,189,248,.4); background: rgba(56,189,248,.08); }

table.data { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.data th {
  text-align: left; font-family: var(--mono); font-size: 11px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--text-faint); font-weight: 600;
  padding: 8px 12px; border-bottom: 1px solid var(--line-2);
}
table.data td { padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.data tr:hover td { background: rgba(56,189,248,.03); }
table.data td.num, table.data th.num { text-align: right; font-family: var(--mono); }
.tablewrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.tablewrap table.data td, .tablewrap table.data th { border-color: var(--line); }

details.qa { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); margin: 10px 0; }
details.qa summary { cursor: pointer; padding: 13px 18px; font-weight: 600; list-style: none; display: flex; gap: 10px; align-items: baseline; }
details.qa summary::before { content: "▸"; color: var(--accent); transition: transform .15s; }
details.qa[open] summary::before { transform: rotate(90deg); }
details.qa .body { padding: 0 18px 16px; color: var(--text-dim); }

.btn {
  display: inline-block; padding: 8px 16px; border-radius: 8px; border: 1px solid var(--line-2);
  background: var(--panel-2); color: var(--text); text-decoration: none; font-size: 13.5px;
  cursor: pointer; font-family: var(--sans);
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: rgba(56,189,248,.14); border-color: rgba(56,189,248,.5); color: var(--accent); }

.legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12.5px; color: var(--text-dim); align-items: center; }
.legend .sw { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 14px 0; }
.toolbar label { font-size: 13px; color: var(--text-dim); display: flex; align-items: center; gap: 6px; cursor: pointer; }
.toolbar select, .toolbar input[type=range] { accent-color: var(--accent); background: var(--panel-2); color: var(--text); border: 1px solid var(--line-2); border-radius: 6px; padding: 4px 8px; font-size: 13px; }
.toolbar input[type=checkbox] { accent-color: var(--accent); }
.toolbar .sep { width: 1px; height: 20px; background: var(--line-2); margin: 0 4px; }

.callout { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 18px; margin: 16px 0; background: var(--panel); font-size: 14px; }
.callout.warn { border-color: rgba(251,191,36,.35); background: rgba(251,191,36,.05); }
.callout.ok { border-color: rgba(52,211,153,.35); background: rgba(52,211,153,.05); }
.callout.danger { border-color: rgba(248,113,113,.35); background: rgba(248,113,113,.05); }
.callout b:first-child { display: block; margin-bottom: 4px; }

.viewer {
  border: 1px solid var(--line-2); border-radius: var(--radius); background: var(--bg-2);
  overflow: hidden; position: relative;
}
.viewer svg { display: block; width: 100%; height: auto; }
.viewer canvas { display: block; width: 100%; }

kbd { font-family: var(--mono); font-size: 11px; background: var(--panel-2); border: 1px solid var(--line-2); border-bottom-width: 2px; border-radius: 5px; padding: 1px 6px; }

.timeline { position: relative; margin: 20px 0; padding-left: 26px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 4px; bottom: 4px; width: 2px; background: var(--line-2); }
.tl-item { position: relative; margin-bottom: 18px; }
.tl-item::before { content: ""; position: absolute; left: -24px; top: 6px; width: 10px; height: 10px; border-radius: 50%; background: var(--panel); border: 2px solid var(--accent); }
.tl-item.done::before { background: var(--ok); border-color: var(--ok); }
.tl-item.crit::before { border-color: var(--danger); }
.tl-item .when { font-family: var(--mono); font-size: 11.5px; color: var(--accent); letter-spacing: .06em; }
.tl-item .what { font-weight: 600; }
.tl-item .who { font-size: 12.5px; color: var(--text-faint); }

footer.site { border-top: 1px solid var(--line); margin-top: 60px; }
.foot-inner { max-width: var(--maxw); margin: 0 auto; padding: 22px 20px; font-size: 12.5px; color: var(--text-faint); display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
.foot-inner a { color: var(--text-dim); }

@media (max-width: 720px) {
  h1 { font-size: 24px; }
  .nav-inner { height: auto; flex-wrap: wrap; padding: 10px 14px; }
}
@media print {
  body { background: #fff; color: #111; }
  body::before, header.site, footer.site { display: none; }
  .card, .stat, .tablewrap, .callout, details.qa { border-color: #ccc; background: #fff; }
}