/*
 * torric.app — the app's grid brutalism on the web (PLAN.md §9,
 * constants/theme.ts). Hairline cells meeting edge to edge, one signal red,
 * Archivo Expanded for headlines, Archivo to read, Space Mono for labels.
 * No rounded cards, no shadows, no gradients. Colours are the app's tokens.
 */

@font-face { font-family: 'Archivo Expanded'; font-weight: 800; font-display: swap; src: url('fonts/ArchivoExpanded-ExtraBold.woff2') format('woff2'); }
@font-face { font-family: 'Archivo'; font-weight: 400; font-display: swap; src: url('fonts/Archivo_400Regular.woff2') format('woff2'); }
@font-face { font-family: 'Archivo'; font-weight: 500; font-display: swap; src: url('fonts/Archivo_500Medium.woff2') format('woff2'); }
@font-face { font-family: 'Space Mono'; font-weight: 400; font-display: swap; src: url('fonts/SpaceMono_400Regular.woff2') format('woff2'); }
@font-face { font-family: 'Space Mono'; font-weight: 700; font-display: swap; src: url('fonts/SpaceMono_700Bold.woff2') format('woff2'); }

:root {
  color-scheme: light;
  --bg: #EDEAE4;
  --surface: #F7F4EF;
  --sunken: #E2DED7;
  --ink: #1E1C1C;
  --ink-muted: #5E5853;
  --ink-faint: #8F8881;
  --line: #C9C3BA;
  --line-strong: #6E6866;
  --accent: #DB2F3A;
  --accent-pressed: #B8242E;
  --accent-text: #C42630;
  --on-accent: #FFFFFF;
  --mesh: #1E1C1C;

  --display: 'Archivo Expanded', 'Archivo', system-ui, sans-serif;
  --body: 'Archivo', system-ui, sans-serif;
  --mono: 'Space Mono', ui-monospace, monospace;
  --gutter: 16px;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #1E1C1C;
    --surface: #272424;
    --sunken: #161414;
    --ink: #F2EEEA;
    --ink-muted: #A8A19C;
    --ink-faint: #77716C;
    --line: #3F3A3A;
    --line-strong: #8A8380;
    --accent-text: #FF5560;
    --mesh: #F2EEEA;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.55 var(--body);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
::selection { background: var(--accent); color: var(--on-accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---- the grid ---- */

.frame { max-width: 1240px; margin: 0 auto; border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.row { display: grid; border-bottom: 1px solid var(--line); }
.row > * { padding: 28px var(--gutter); min-width: 0; }
.row > * + * { border-left: 1px solid var(--line); }
.cols-2 { grid-template-columns: 1fr 1fr; }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
.hero-row { grid-template-columns: 1.35fr 1fr; }
@media (min-width: 720px) {
  :root { --gutter: 32px; }
  .row > * { padding: 40px var(--gutter); }
}
@media (max-width: 899px) {
  .cols-4 { grid-template-columns: 1fr 1fr; }
  .cols-4 > :nth-child(3) { border-left: 0; }
  .cols-4 > :nth-child(n + 3) { border-top: 1px solid var(--line); }
  .hero-row { grid-template-columns: 1fr; }
  .hero-row > * + * { border-left: 0; border-top: 1px solid var(--line); }
}
@media (max-width: 719px) {
  .cols-2, .cols-3, .cols-4 { grid-template-columns: 1fr; }
  .cols-2 > * + *, .cols-3 > * + *, .cols-4 > * + * { border-left: 0; border-top: 1px solid var(--line); }
}

/* ---- type ---- */

.display {
  font-family: var(--display);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: -0.01em;
  margin: 0;
  overflow-wrap: anywhere;
}
h1.display { font-size: clamp(40px, 7vw, 96px); margin-top: 18px; }
h2.display { margin-top: 14px; }
h2.display { font-size: clamp(30px, 5.2vw, 64px); }
h3.display { font-size: 19px; line-height: 1.1; letter-spacing: 0; }
.meta {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.lede { font-size: clamp(18px, 2vw, 21px); color: var(--ink-muted); max-width: 34em; margin: 20px 0 0; }
p { margin: 12px 0 0; color: var(--ink-muted); }
.cell h3 + p { margin-top: 10px; }
.num { font-family: var(--mono); font-size: 12px; color: var(--ink-faint); display: block; margin-bottom: 28px; }

/* The red slash (components/ui/Display.tsx): a bar behind one line of a
   headline, rotated -9deg, wider than the words. One per screen. */
.line { display: block; white-space: nowrap; }
.slash { position: relative; display: inline-block; z-index: 0; }
.slash::before {
  content: '';
  position: absolute;
  top: 0.08em;
  bottom: 0.02em;
  left: -6%;
  right: -10%;
  background: var(--accent);
  transform: rotate(-9deg);
  z-index: -1;
}

/* ---- header and footer ---- */

.bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px var(--gutter); border-bottom: 1px solid var(--line); }
.wordmark { font-family: var(--display); font-weight: 800; font-size: 20px; letter-spacing: 0.02em; text-decoration: none; text-transform: uppercase; }
.nav { display: flex; gap: 22px; }
.nav a { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none; color: var(--ink-muted); }
.nav a:hover { color: var(--ink); }
@media (max-width: 719px) { .nav { display: none; } }

.wordmark { display: inline-flex; align-items: center; gap: 10px; }
.mark { width: 26px; height: 26px; flex: none; }

.skip { position: absolute; left: -9999px; top: 0; z-index: 10; background: var(--accent); color: var(--on-accent); padding: 10px 16px; font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; }
.skip:focus { left: 0; }

.footer { border-bottom: 0; }
.footer > * { padding-top: 32px; padding-bottom: 36px; }
.footer p:not(.meta) { font-size: 15px; }
.footer nav { display: flex; flex-direction: column; gap: 8px; }
.footer nav .meta, .footer div > .meta { margin: 0 0 6px; }
.footer nav a { font-size: 15px; color: var(--ink-muted); text-decoration: none; }
.footer a:hover { color: var(--ink); }

/* ---- buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 12px 18px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: transparent;
}
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn[aria-disabled='true'] { cursor: default; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
a.btn:hover { border-color: var(--ink); }

/* ---- hero art: the mesh tunnel and the tag pile ---- */

.hero-art { position: relative; min-height: 360px; overflow: hidden; padding: 0 !important; }
.tunnel { position: absolute; inset: 0; width: 100%; height: 100%; color: var(--mesh); }
.tunnel .rings rect { fill: none; stroke: currentColor; stroke-opacity: 0.28; vector-effect: non-scaling-stroke; }
.tunnel .spokes line { stroke: currentColor; stroke-opacity: 0.18; vector-effect: non-scaling-stroke; }
.tunnel .rings { transform-origin: 200px 200px; animation: fly 6s linear infinite; }
@keyframes fly { from { transform: scale(1); } to { transform: scale(1.25); } }

.pile { position: absolute; left: 0; right: 0; bottom: 18px; height: 150px; }
.pill {
  position: absolute;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
  .tunnel .rings { animation: none; }
}

/* ---- the strip of three ---- */

.strip > * { padding-top: 22px; padding-bottom: 22px; }
.strip .big { font-family: var(--display); font-weight: 800; font-size: 15px; text-transform: uppercase; letter-spacing: 0.02em; display: block; margin-top: 6px; color: var(--ink); }

/* ---- the mock feed ---- */

.feed { background: var(--sunken); }
.post { background: var(--bg); border: 1px solid var(--line); padding: 18px; }
.post + .post { border-top: 0; }
.post-head { display: flex; align-items: center; gap: 12px; }
.identicon { width: 36px; height: 36px; flex: none; color: var(--ink); background: var(--surface); border: 1px solid var(--line); }
.handle { font-family: var(--mono); font-size: 13px; font-weight: 700; }
.post-head .meta { font-size: 11px; margin-left: auto; }
.post-body { margin: 12px 0 0; color: var(--ink); }
.post-actions { display: flex; gap: 22px; margin-top: 14px; }
.post-actions span { font-family: var(--mono); font-size: 12px; color: var(--ink-muted); }
.reply { margin: 0 0 0 28px; border-left: 1px solid var(--line-strong) !important; }

.song { display: grid; grid-template-columns: 56px 1fr auto; align-items: center; gap: 14px; margin-top: 14px; border: 1px solid var(--line); background: var(--surface); padding: 10px; }
.cover { width: 56px; height: 56px; color: var(--mesh); background: var(--sunken); }
.song-title { font-family: var(--display); font-weight: 800; font-size: 14px; text-transform: uppercase; line-height: 1.1; display: block; }
.song.playing .song-title { color: var(--accent-text); }
.song .meta { font-size: 11px; }
.play { width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--line-strong); font-size: 12px; }
.song.playing .play { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }

/* ---- the tour: the app's screens, looping ---- */

.shows { grid-template-columns: repeat(5, 1fr); }
.show { margin: 0; display: flex; flex-direction: column; gap: 18px; }
.show video { display: block; width: 100%; height: auto; aspect-ratio: 6 / 13; background: #1E1C1C; border: 1px solid var(--line-strong); }
.show figcaption h3 { margin-top: 6px; }
.show figcaption p { font-size: 15px; margin-top: 8px; }
@media (max-width: 1099px) {
  /* A strip to swipe through, inside the frame. */
  .shows { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; overscroll-behavior-x: contain; }
  .shows > .show { flex: 0 0 min(68vw, 280px); scroll-snap-align: start; }
  .shows > * + * { border-top: 0 !important; border-left: 1px solid var(--line) !important; }
}

/* ---- lists inside cells ---- */

.ticks { list-style: none; padding: 0; margin: 18px 0 0; border-top: 1px solid var(--line); }
.ticks li { padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--ink-muted); }
.ticks li b { font-weight: 500; color: var(--ink); }

.tag { display: inline-block; font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; border: 1px solid var(--line-strong); padding: 3px 8px; margin-left: 10px; vertical-align: middle; }

/* ---- long-form pages: a contents column and the text ---- */

.doc { grid-template-columns: 300px 1fr; }
.doc aside { position: relative; }
.doc .updated { margin: 6px 0 0; color: var(--ink-faint); }
.toc { position: sticky; top: 24px; display: flex; flex-direction: column; gap: 9px; margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--line); }
.toc .meta { margin: 0 0 4px; }
.toc a { font-size: 14px; line-height: 1.35; color: var(--ink-muted); text-decoration: none; }
.toc a:hover { color: var(--ink); }
@media (max-width: 899px) {
  .doc { grid-template-columns: 1fr; }
  .doc > * + * { border-left: 0; border-top: 1px solid var(--line); }
  .toc { display: none; }
}

.prose { max-width: 720px; }
.prose h1.display { font-size: clamp(34px, 6vw, 64px); margin: 0 0 8px; }
.prose h2 { font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink); margin: 40px 0 8px; font-weight: 700; scroll-margin-top: 20px; }
.prose b { font-weight: 500; color: var(--ink); }
.prose p a, .prose li a { color: var(--accent-text); text-underline-offset: 3px; }
.prose .ticks { margin-top: 14px; }
.steps { margin: 14px 0 0; padding: 0; list-style: none; counter-reset: step; border-top: 1px solid var(--line); }
.steps li { counter-increment: step; display: grid; grid-template-columns: 44px 1fr; padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--ink-muted); }
.steps li::before { content: counter(step, decimal-leading-zero); font-family: var(--mono); font-size: 12px; color: var(--ink-faint); padding-top: 4px; }

.plain { padding-top: 72px !important; padding-bottom: 96px !important; }
.plain h1.display { font-size: clamp(44px, 8vw, 104px); margin-top: 14px; }
.plain { max-width: none; }