/* terminus: shared tokens and components for every page. */

:root {
  --bg: #fafaf9;
  --surface: #ffffff;
  --surface-2: #f5f4f2;
  --ink: #1c1917;
  --muted: #6b6560;
  --faint: #a8a29e;
  --line: #e7e5e2;
  /* Borders a control needs to be seen by: at least 3:1 on the surface. */
  --line-strong: #8a847e;
  --accent: #c2410c;
  --accent-bright: #fb923c;
  --accent-soft: #fff1e6;
  --good: #15803d;
  --warn: #b45309;
  --bad: #b91c1c;
  /* Small text on a tinted chip needs a darker shade to reach 4.5:1. */
  --good-ink: #166534;
  --warn-ink: #92400e;
  --bad-ink: #991b1b;
  --radius: 14px;
  --shadow: 0 1px 2px rgb(28 25 23 / 0.04), 0 8px 24px -12px rgb(28 25 23 / 0.12);
  /* Chinese (phase 10) falls back to each system's own CJK face. */
  --font: "Inter", "Inter Fallback", "Inter Fallback Roboto", system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  /* Never Inter while Space Grotesk loads: it's wider, so a heading would
     wrap one way, then the other (fonts.css). */
  --display: "Space Grotesk", "Space Grotesk Fallback", "Space Grotesk Fallback Roboto", var(--font);
  color-scheme: light;
}
/* Dark: the device's own dark mode, unless this browser chose light in
   Settings › Appearance (theme.js sets data-theme); or dark, chosen there. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f0e0d;
    --surface: #1a1816;
    --surface-2: #211f1c;
    --ink: #f2efeb;
    --muted: #a39d97;
    --faint: #6f6964;
    --line: #2c2926;
    --line-strong: #6f6964;
    --accent: #fb923c;
    --accent-bright: #fb923c;
    --accent-soft: #2a1a0e;
    --good: #4ade80;
    --warn: #fbbf24;
    --bad: #f87171;
    --good-ink: #4ade80;
    --warn-ink: #fbbf24;
    --bad-ink: #f87171;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 8px 24px -12px rgb(0 0 0 / 0.6);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0f0e0d;
  --surface: #1a1816;
  --surface-2: #211f1c;
  --ink: #f2efeb;
  --muted: #a39d97;
  --faint: #6f6964;
  --line: #2c2926;
  --line-strong: #6f6964;
  --accent: #fb923c;
  --accent-bright: #fb923c;
  --accent-soft: #2a1a0e;
  --good: #4ade80;
  --warn: #fbbf24;
  --bad: #f87171;
  --good-ink: #4ade80;
  --warn-ink: #fbbf24;
  --bad-ink: #f87171;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 8px 24px -12px rgb(0 0 0 / 0.6);
  color-scheme: dark;
}

* { box-sizing: border-box; }
/* Component display rules (.nav-links, .row...) must never beat [hidden]. */
[hidden] { display: none !important; }
/* For screen readers only: there to be heard, not seen. */
.sr-only { position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
/* A status line stays on the page empty, so a screen reader hears its words
   when they come; empty, it takes no room. */
[role="status"]:empty { margin: 0; padding: 0; border: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 1rem/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
  /* Footer sits at the bottom even on short pages. */
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
body > * { width: 100%; }
body > main { flex: 1; }
/* A page its script draws (the account page) keeps the footer out of view
   until it has, so the footer isn't seen and then pushed away. */
body > main#root:empty { min-height: 100vh; }
a { color: var(--accent); text-underline-offset: 3px; }
img, svg { display: block; }
/* Chinese: hidden until i18n.js has translated the page, so English never flashes. */
.i18n-wait body { visibility: hidden; }
/* Letter-spacing and capitals are for Latin text. */
:lang(zh) .eyebrow { letter-spacing: 0.02em; }
h1, h2, h3 { font-family: var(--display); letter-spacing: -0.02em; line-height: 1.15; margin: 0; }
p { margin: 0; }

.wrap { max-width: 68rem; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 40rem; }

/* Header and footer */
.nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; padding-top: 18px; padding-bottom: 18px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
/* The mark's dark tile vanishes on a dark page without an edge. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .brand img { box-shadow: 0 0 0 1px var(--line-strong); }
}
:root[data-theme="dark"] .brand img { box-shadow: 0 0 0 1px var(--line-strong); }
.wordmark { font: 600 1.25rem/1 var(--display); letter-spacing: -0.03em; }
.wordmark b { font-weight: inherit; color: var(--accent); }
/* Only on beta.terminus.run, added by the Worker (apps/api/src/site.ts). */
.beta-tag { margin-left: 6px; padding: 2px 6px; border-radius: 999px; background: var(--accent); color: var(--bg); font: 600 0.7rem/1.2 var(--display); text-transform: uppercase; letter-spacing: 0.04em; vertical-align: middle; }
.nav-links { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 20px; font-size: 0.95rem; }
.nav-links a { color: var(--muted); text-decoration: none; padding: 10px 2px; }
.nav-links a:hover { color: var(--ink); }
.nav-menu {
  display: inline-flex; align-items: center; gap: 5px; padding: 10px 2px;
  background: none; border: 0; font: inherit; color: var(--muted); cursor: pointer;
}
.nav-menu:hover, .nav-menu[aria-expanded="true"] { color: var(--ink); }
.nav-menu svg { transition: transform 0.15s ease; }
.nav-menu[aria-expanded="true"] svg { transform: rotate(180deg); }

/* The header's download menu. A native popover: Esc and clicking outside
   close it. landing.js places it under its button. */
.dl-menu {
  position: fixed; inset: auto; margin: 0; width: 280px; padding: 6px;
  background: var(--surface); color: var(--ink);
  border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.dl-menu > a {
  display: flex; align-items: center; gap: 12px; padding: 10px; border-radius: 10px;
  color: inherit; text-decoration: none;
}
.dl-menu > a:hover, .dl-menu > a:focus-visible { background: var(--surface-2); }
.dl-menu > a:focus-visible { outline-offset: -2px; }
.dl-menu strong { display: block; font-weight: 600; font-size: 0.95rem; }
.dl-menu small { display: block; color: var(--muted); font-size: 0.8rem; margin-top: 2px; }
.dl-icon {
  flex: none; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px;
  background: var(--accent-soft); color: var(--accent);
}
.dl-foot {
  display: flex; justify-content: space-between; gap: 12px; margin: 6px 0 0; padding: 10px 10px 6px;
  border-top: 1px solid var(--line); font-size: 0.8rem; color: var(--muted);
}
.dl-foot a { color: var(--accent); }
.foot { border-top: 1px solid var(--line); margin-top: 72px; padding: 28px 0 40px; color: var(--muted); font-size: 0.875rem; }
.foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 0 18px; }
.foot a { color: var(--muted); }
.foot nav a { display: inline-block; padding: 10px 0; }

/* Buttons and inputs */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 600 0.95rem/1 var(--font); padding: 12px 18px; border-radius: 11px;
  border: 1px solid transparent; cursor: pointer; text-decoration: none; text-align: center;
  background: var(--ink); color: var(--bg);
  transition: transform 0.12s ease, background 0.12s ease, opacity 0.12s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: none; }
.btn.accent { background: var(--accent-bright); color: #1c1917; }
/* Quieter than accent, for a second way in that shouldn't outshine the page's own button. */
.btn.soft { background: var(--accent-soft); color: var(--accent); border-color: color-mix(in srgb, var(--accent) 22%, transparent); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn.small { padding: 8px 12px; font-size: 0.875rem; border-radius: 9px; min-height: 40px; }
.btn:disabled { opacity: 0.5; cursor: default; transform: none; }
.link-btn { background: none; border: 0; padding: 8px 2px; color: var(--accent); font: inherit; cursor: pointer; }
/* Inside a sentence it's a word like any other: no gap before the full stop. */
p .link-btn { padding: 0; }

input, select, textarea {
  font: inherit; width: 100%; min-width: 0; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink);
}
input:focus-visible, select:focus-visible, textarea:focus-visible, .btn:focus-visible, a:focus-visible, button:focus-visible {
  outline: 2px solid var(--focus, var(--accent)); outline-offset: 2px;
}
/* A heading or row given the focus by a script (a page opened, a sheet) isn't
   a control: it's read out, with no ring round it. */
[tabindex="-1"]:focus { outline: none; }
/* A hint in a box reads like any muted words: at 4.5:1, not the browser's paler grey. */
::placeholder { color: var(--muted); opacity: 1; }
label { display: block; font-size: 0.875rem; color: var(--muted); margin: 12px 0 6px; }

/* Cards */
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 20px;
}
.eyebrow { font: 600 0.75rem/1 var(--font); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.hint { color: var(--muted); font-size: 0.9rem; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--good); display: inline-block; }

/* The widget mock: what the phone widget and menu bar show. */
.widget {
  border-radius: 22px; padding: 18px 20px; background: var(--surface);
  border: 1px solid var(--line); box-shadow: var(--shadow); min-width: 0;
}
.widget .where { color: var(--muted); font-size: 0.85rem; }
.widget .big { font: 700 1.9rem/1.15 var(--display); letter-spacing: -0.03em; margin: 2px 0 4px; }
.widget .detail { color: var(--muted); font-size: 0.9rem; }
.widget .chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.widget .chips span { padding: 6px 11px; border-radius: 10px; background: var(--surface-2); font-size: 0.8rem; font-weight: 600; }
.ontime { display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; font-size: 0.82rem; font-weight: 600; padding: 4px 10px; border-radius: 999px; }
.ontime.on-time { background: color-mix(in srgb, var(--good) 10%, transparent); color: var(--good-ink); }
.ontime.tight { background: color-mix(in srgb, var(--warn) 10%, transparent); color: var(--warn-ink); }
.ontime.late { background: color-mix(in srgb, var(--bad) 10%, transparent); color: var(--bad-ink); }
.beta { display: inline-block; margin-left: 8px; padding: 3px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: 0.7rem; letter-spacing: 0.06em; vertical-align: 1px; }
/* When the badge wraps under the eyebrow on a phone, it starts at the left edge with a gap above it. */
.eyebrow:has(> .beta) { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.eyebrow > .beta { margin-left: 0; }

/* The widget preview's states, mirroring the apps. */
.widget.old .big, .widget.old .detail { color: var(--muted); }
.widget .note { color: var(--muted); font-size: 0.8rem; margin-top: 6px; }

@media (max-width: 640px) {
  .nav-links .hide-sm { display: none; }
  .nav-links { gap: 8px; }
}
/* Open the app and Sign in (or Account, which is wider) both stay in the
   header on a phone, so the name beside the mark gives way to them (screen
   readers still hear it): sooner on the beta, whose tag takes room too. */
@media (max-width: 420px) {
  .nav:has(.open-app) .wordmark { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
}
@media (max-width: 460px) {
  .nav:has(.open-app):has(.beta-tag) .wordmark { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
}

/* More contrast, when the device asks for it: the grey words and the lines darker (lighter in the dark). */
@media (prefers-contrast: more) {
  :root { --muted: #45403c; --faint: #6b6560; --line: #8a847e; --line-strong: #5c5650; }
  :root[data-theme="dark"] { --muted: #d6d3d1; --faint: #a39d97; --line: #6f6964; --line-strong: #a39d97; }
}
@media (prefers-contrast: more) and (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --muted: #d6d3d1; --faint: #a39d97; --line: #6f6964; --line-strong: #a39d97; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .btn:hover { transform: none; }
}

/* A pairing code on six split-flap tiles, like a departure board's: dark in
   light and dark, as the boards are (pair.js, Settings › Devices). */
.flaps { display: flex; justify-content: center; gap: 7px; margin: 14px 0 6px; }
.flap { display: grid; place-items: center; flex: 1; max-width: 56px; aspect-ratio: 0.72; border-radius: 9px; border: 1px solid #34302b; color: #f2efeb; font: 800 2rem/1 ui-monospace, "SF Mono", monospace; background: linear-gradient(#24211e 49%, #0a0908 49% 51%, #1c1a17 51%); }
.flap.empty { background: #151311; }

/* The livery over the sign-in card (account/livery.js): the stripes edge to edge,
   the mark on them with a ring of the card round it. */
.livery { position: relative; height: 180px; margin: -32px -28px 18px; overflow: hidden; border-radius: var(--radius) var(--radius) 0 0; }
.livery svg { display: block; width: 100%; height: 100%; }
.livery-accent { fill: var(--accent-bright); }
.livery-mark { position: absolute; left: 50%; bottom: 6px; width: 76px; height: 76px; transform: translateX(-50%); border-radius: 20px; box-shadow: 0 0 0 6px var(--surface); }