/* Static guide page, styled to match the app exactly: graphite dark,
   condensed uppercase display type, mono numerals, orange only for signal.
   Fonts are local stable-name copies of the app bundle's (see fonts/). */

@font-face { font-family: 'Barlow'; font-weight: 400; font-display: swap; src: url('/guide/fonts/barlow-400.woff2') format('woff2'); }
@font-face { font-family: 'Barlow'; font-weight: 500; font-display: swap; src: url('/guide/fonts/barlow-500.woff2') format('woff2'); }
@font-face { font-family: 'Barlow'; font-weight: 600; font-display: swap; src: url('/guide/fonts/barlow-600.woff2') format('woff2'); }
@font-face { font-family: 'Barlow Condensed'; font-weight: 600; font-display: swap; src: url('/guide/fonts/barlow-condensed-600.woff2') format('woff2'); }
@font-face { font-family: 'Barlow Condensed'; font-weight: 700; font-display: swap; src: url('/guide/fonts/barlow-condensed-700.woff2') format('woff2'); }
@font-face { font-family: 'Spline Mono'; font-weight: 100 900; font-display: swap; src: url('/guide/fonts/spline-mono.woff2') format('woff2'); }

:root {
  --bg0: #0c0e11; --bg1: #12151a; --bg2: #1a1f26;
  --line: #232a33; --line-soft: #1b2129;
  --tx0: #edf1f5; --tx1: #9aa6b2; --tx2: #64707c;
  --accent: #ff6b1f; --accent-dim: rgba(255, 107, 31, 0.14);
  --up: #3fce8a; --down: #ff5d5d; --noise: #e3b341;
  --band: rgba(154, 166, 178, 0.28);
  --disp: 'Barlow Condensed', sans-serif;
  --mono: 'Spline Mono', ui-monospace, monospace;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg0: #f4f3f0; --bg1: #fdfcfa; --bg2: #edeae5;
    --line: #d9d4cc; --line-soft: #e5e1da;
    --tx0: #191d22; --tx1: #565e68; --tx2: #8b929b;
    --accent: #e35408; --accent-dim: rgba(227, 84, 8, 0.1);
    --up: #148a54; --down: #cf3535; --noise: #9c7514;
    --band: rgba(86, 94, 104, 0.25);
    color-scheme: light;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg0); color: var(--tx0);
  font-family: 'Barlow', system-ui, sans-serif;
  font-size: 15px; line-height: 1.6;
}
.wrap {
  max-width: 720px; margin: 0 auto;
  padding: 28px 18px calc(60px + env(safe-area-inset-bottom, 0px));
}

header.site {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 18px; border-bottom: 1px solid var(--line-soft);
  margin-bottom: 30px;
}
.wordmark {
  font-family: var(--disp); font-weight: 700; font-size: 26px;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--tx0); text-decoration: none;
}
.wordmark em { font-style: normal; color: var(--accent); }
header.site a.app {
  color: var(--accent); text-decoration: none;
  font-family: var(--disp); font-weight: 600; font-size: 15px;
  letter-spacing: 0.06em; text-transform: uppercase;
}

h1 {
  font-family: var(--disp); font-weight: 700; text-transform: uppercase;
  font-size: clamp(30px, 6vw, 42px); line-height: 1.05; letter-spacing: 0.02em;
}
.sub { color: var(--tx1); margin: 12px 0 6px; font-size: 15px; }

h2 {
  font-family: var(--disp); font-weight: 600; text-transform: uppercase;
  font-size: 19px; letter-spacing: 0.07em; color: var(--tx1);
  margin: 40px 0 12px; display: flex; align-items: center; gap: 9px;
}
h2::before {
  content: ''; width: 4px; height: 16px; background: var(--accent);
  border-radius: 1px; flex-shrink: 0;
}
h3 { font-size: 16px; margin: 22px 0 6px; }

p { margin: 9px 0; color: var(--tx1); font-size: 14px; }
p strong, li strong, dt { color: var(--tx0); }
ul, ol { margin: 9px 0 9px 20px; color: var(--tx1); font-size: 14px; }
li { margin: 6px 0; }
em { color: var(--tx1); }
a { color: var(--accent); }

dl { margin: 4px 0; }
dt {
  font-family: var(--disp); font-weight: 600; font-size: 14.5px;
  text-transform: uppercase; letter-spacing: 0.06em; margin-top: 16px;
}
dd { color: var(--tx1); margin: 3px 0 0 0; font-size: 14px; }

.panel {
  background: var(--bg1); border: 1px solid var(--line-soft);
  border-radius: 12px; padding: 15px 18px; margin: 14px 0;
  font-size: 13.5px; color: var(--tx1);
}
.panel strong { color: var(--tx0); }

.good { color: var(--up); font-weight: 600; }
.bad { color: var(--down); font-weight: 600; }
.amber { color: var(--noise); font-weight: 600; }

table {
  border-collapse: collapse; width: 100%; margin: 12px 0;
  background: var(--bg1); border: 1px solid var(--line-soft); border-radius: 12px;
  overflow: hidden; font-size: 13.5px;
}
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line-soft); }
tr:last-child td { border-bottom: none; }
th {
  font-family: var(--disp); color: var(--tx2); font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600;
  border-bottom: 1px solid var(--line);
}
td { color: var(--tx1); }
td:first-child { color: var(--tx0); font-weight: 500; white-space: nowrap; }

.toc {
  background: var(--bg1); border: 1px solid var(--line-soft);
  border-radius: 12px; padding: 12px 16px; margin: 20px 0;
}
.toc a {
  display: inline-block; margin: 4px 14px 4px 0; text-decoration: none;
  font-family: var(--disp); font-weight: 600; font-size: 14px;
  letter-spacing: 0.05em; text-transform: uppercase;
}

footer {
  margin-top: 50px; padding-top: 14px; border-top: 1px solid var(--line-soft);
  color: var(--tx2); font-size: 12.5px; line-height: 1.6;
}