/* Tessera — brand tokens and base UI. Porcelain ground, hairline structure,
   violet only as signal (signed / installed / live). See docs/brand/. */

@font-face {
  font-family: 'Ubuntu Sans V';
  src: url('./fonts/UbuntuSans-var.woff2') format('woff2');
  font-weight: 100 800;
  font-stretch: 75% 125%;
  font-display: swap;
}
@font-face {
  font-family: 'Ubuntu Sans Mono V';
  src: url('./fonts/UbuntuSansMono-var.woff2') format('woff2');
  font-weight: 100 800;
  font-display: swap;
}

:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --ink: #0d0e12;
  --muted: #626876;
  --line: #e2e4ea;
  --line-soft: #eceef2;
  --accent: #6c4df6;
  --accent-soft: #efecfe;
  --on-accent: #ffffff;
  --ok: #0e9f7b;
  --danger: #c2493d;
  --tile: 72px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #0a0b0e;
    --surface: #111319;
    --ink: #eff1f6;
    --muted: #8b91a0;
    --line: #23262f;
    --line-soft: #1a1c23;
    --accent: #8f79ff;
    --accent-soft: #221e3a;
    --on-accent: #0a0b0e;
    --ok: #2fbf96;
    --danger: #e06a5e;
  }
}
:root[data-theme='dark'] {
  --bg: #0a0b0e;
  --surface: #111319;
  --ink: #eff1f6;
  --muted: #8b91a0;
  --line: #23262f;
  --line-soft: #1a1c23;
  --accent: #8f79ff;
  --accent-soft: #221e3a;
  --on-accent: #0a0b0e;
  --ok: #2fbf96;
  --danger: #e06a5e;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Ubuntu Sans V', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.mono { font-family: 'Ubuntu Sans Mono V', ui-monospace, 'SF Mono', Menlo, Consolas, monospace; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; }

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 24px; }

/* header */
.site-head { border-bottom: 1px solid var(--line); background: var(--surface); }
.site-head .wrap { display: flex; align-items: center; gap: 20px; height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); font-weight: 680; font-size: 19px; letter-spacing: -0.02em; }
.brand:hover { text-decoration: none; }
.brand svg { display: block; }
.site-head nav { display: flex; gap: 18px; margin-left: auto; align-items: center; }
.site-head nav a { color: var(--muted); font-size: 14px; }
.site-head nav a.active { color: var(--ink); }
.search { flex: 1; max-width: 340px; }
.search input {
  width: 100%; padding: 8px 12px; border: 1px solid var(--line); background: var(--bg);
  color: var(--ink); font: inherit; font-size: 14px; border-radius: 0;
}
.search input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.btn {
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  padding: 8px 16px; cursor: pointer; font-size: 14px; border-radius: 0;
}
.btn:hover { border-color: var(--ink); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:hover { filter: brightness(1.06); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn:focus-visible, .search input:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* labels + badges */
.eyebrow {
  font-family: 'Ubuntu Sans Mono V', ui-monospace, monospace;
  font-size: 11.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted);
}
.badge {
  font-family: 'Ubuntu Sans Mono V', ui-monospace, monospace;
  font-size: 10.5px; letter-spacing: 0.12em; padding: 3px 8px;
  border: 1px solid var(--line); color: var(--muted); white-space: nowrap;
}
.badge.acc { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.badge.lock { border-color: var(--ink); color: var(--ink); }
.ok { color: var(--ok); }
.danger { color: var(--danger); }

/* cards */
.cardgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.card { border: 1px solid var(--line); background: var(--surface); padding: 20px; display: block; color: inherit; }
.card:hover { border-color: var(--accent); text-decoration: none; }
.card .top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 4px; }
.card .name { font-size: 18px; font-weight: 680; letter-spacing: -0.015em; }
.card .by { font-family: 'Ubuntu Sans Mono V', ui-monospace, monospace; font-size: 11.5px; color: var(--muted); margin-bottom: 8px; }
.card .desc { font-size: 14px; color: var(--muted); margin: 0 0 12px; }
.statline { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; font-size: 12.5px; color: var(--muted); }
.statline b { color: var(--ink); font-weight: 640; }

.stars { display: inline-flex; gap: 2px; vertical-align: -2px; }
.stars svg { width: 14px; height: 14px; fill: var(--accent); }
.stars svg.off { fill: var(--line); }

/* command row */
.cmd {
  font-family: 'Ubuntu Sans Mono V', ui-monospace, monospace; font-size: 13px;
  background: var(--bg); border: 1px solid var(--line);
  padding: 11px 14px; display: flex; justify-content: space-between; gap: 12px;
  overflow-x: auto; white-space: nowrap; align-items: center;
}
.cmd .p { color: var(--muted); }
.cmd button { background: none; border: none; color: var(--accent); cursor: pointer; font-family: inherit; font-size: 12px; }

/* hero (landing) */
.hero {
  position: relative; overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: var(--tile) var(--tile);
  background-position: center top;
}
.hero-inner { position: relative; max-width: 1060px; margin: 0 auto; padding: 104px 24px 88px; }
.hero .tiles { position: absolute; inset: 0; pointer-events: none; }
.hero .t {
  position: absolute; width: var(--tile); height: var(--tile);
  background: var(--accent); opacity: 0;
  animation: tile-in 0.8s ease forwards;
}
.hero .t.o1 { animation-delay: 0.2s; }
.hero .t.o2 { animation-delay: 0.55s; }
.hero .t.o3 { animation-delay: 0.9s; }
.hero .t.ghost { background: transparent; border: 1px solid var(--accent); animation-delay: 1.25s; }
@keyframes tile-in { to { opacity: 0.9; } }
.wordmark { display: flex; align-items: center; gap: 20px; margin: 0 0 20px; }
.wordmark svg { flex: none; }
.wordmark h1 {
  margin: 0; font-size: clamp(52px, 8.5vw, 96px); font-weight: 680;
  letter-spacing: -0.035em; line-height: 0.95;
}
.tagline { font-size: clamp(18px, 2.3vw, 23px); font-weight: 430; letter-spacing: -0.01em; margin: 0 0 12px; }
.herodef { max-width: 52ch; color: var(--muted); font-size: 16.5px; margin: 0; }
.hero-cta { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; align-items: center; }
.hero-cta .cmd { flex: 1 1 320px; max-width: 480px; }

/* landing sections (board language) */
.landing section { border-top: 1px solid var(--line); padding: 64px 0 72px; }
.landing section.hero { padding: 0; }
.grid2, .grid3 { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.grid2 { grid-template-columns: repeat(2, 1fr); }
.grid3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 760px) { .grid2, .grid3 { grid-template-columns: 1fr; } }
.cell { background: var(--surface); padding: 24px 22px; }
.cell .k {
  font-family: 'Ubuntu Sans Mono V', ui-monospace, monospace;
  font-size: 11.5px; letter-spacing: 0.16em; color: var(--accent); margin: 0 0 10px;
}
.cell h3 { font-size: 16.5px; font-weight: 640; letter-spacing: -0.01em; margin: 0 0 6px; }
.cell p { color: var(--muted); font-size: 14.5px; margin: 0; }
.stack { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (max-width: 760px) { .stack { grid-template-columns: repeat(2, 1fr); } }
.stack .b { background: var(--surface); padding: 20px 18px; }
.stack .b.hot { background: var(--accent); color: var(--on-accent); }
.stack .b .q {
  font-family: 'Ubuntu Sans Mono V', ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; opacity: 0.65; margin-bottom: 8px;
}
.stack .b h3 { margin: 0 0 2px; font-size: 16.5px; font-weight: 640; }
.stack .b p { font-size: 13.5px; margin: 2px 0 0; opacity: 0.75; }
.section-head { max-width: 62ch; }
.section-head h2 { font-size: clamp(24px, 3vw, 31px); font-weight: 660; letter-spacing: -0.015em; line-height: 1.15; margin: 0 0 12px; text-wrap: balance; }
.section-head p { color: var(--muted); margin: 0 0 28px; }

/* feed recipe selector */
.recipe-bar { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin: 0 0 24px; }
.recipe-bar select {
  font-family: 'Ubuntu Sans Mono V', ui-monospace, monospace; font-size: 12.5px;
  padding: 8px 10px; border: 1px solid var(--line); background: var(--surface); color: var(--ink);
}

/* auth drawer */
.auth-drawer { border-bottom: 1px solid var(--line); background: var(--surface); }
.auth-drawer .wrap { padding: 20px 24px 26px; display: grid; gap: 14px; justify-items: start; }
#account-btn { font-family: 'Ubuntu Sans Mono V', ui-monospace, monospace; font-size: 12.5px; }

/* page scaffolding */
main { padding: 40px 0 80px; }
.page-title { font-size: clamp(24px, 3vw, 32px); font-weight: 680; letter-spacing: -0.02em; margin: 0 0 6px; }
.page-sub { color: var(--muted); margin: 0 0 32px; max-width: 64ch; }
.empty {
  border: 1px dashed var(--line); padding: 48px 24px; text-align: center; color: var(--muted);
}
.empty .mono { color: var(--accent); }
.section-gap { margin-top: 48px; }
h2.minor { font-size: 18px; font-weight: 680; letter-spacing: -0.01em; margin: 0 0 16px; }

/* listing page */
.listing-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.listing-head h1 { font-size: clamp(28px, 4vw, 40px); font-weight: 700; letter-spacing: -0.025em; margin: 0; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 8px 24px; font-size: 14px; }
.kv dt { color: var(--muted); font-family: 'Ubuntu Sans Mono V', ui-monospace, monospace; font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase; align-self: baseline; }
.kv dd { margin: 0; overflow-wrap: anywhere; }

.comment { border-top: 1px solid var(--line-soft); padding: 14px 0; }
.comment .who { font-family: 'Ubuntu Sans Mono V', ui-monospace, monospace; font-size: 11.5px; color: var(--muted); margin-bottom: 4px; }
.comment .body { font-size: 14.5px; white-space: pre-wrap; overflow-wrap: anywhere; }

/* forms */
form.panel { border: 1px solid var(--line); background: var(--surface); padding: 24px; display: grid; gap: 16px; max-width: 640px; }
form.panel label { display: grid; gap: 6px; font-size: 13px; font-weight: 600; }
form.panel input, form.panel textarea, form.panel select {
  padding: 9px 12px; border: 1px solid var(--line); background: var(--bg); color: var(--ink);
  font: inherit; font-size: 14px; border-radius: 0;
}
form.panel textarea { min-height: 90px; resize: vertical; }
form.panel .hint { font-weight: 400; color: var(--muted); font-size: 12.5px; }

.notice { border: 1px solid var(--line); border-left: 2px solid var(--accent); background: var(--surface); padding: 12px 16px; font-size: 13.5px; color: var(--muted); }

.site-foot { border-top: 1px solid var(--line); padding: 28px 0 48px; }
.site-foot .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-foot span { font-family: 'Ubuntu Sans Mono V', ui-monospace, monospace; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}