/* ============================================================================
   Skytale design system v2: components  (CANONICAL, @nick pick 2026-07-05)
   ----------------------------------------------------------------------------
   The reusable component vocabulary in the v2 language: drafting-sheet rails,
   four-corner brass crop marks, two-tone bracket labels, CSS-drawn TUI glyphs
   (caret + dots are CSS blocks, never font glyphs), terminal panes, hairline
   bands, and the segmented statusline. No literal colors here: everything
   references tokens.css. Classes are unprefixed: first-party, all surfaces are
   ours, ergonomics win.

   Consume as:
     <link rel="stylesheet" href="/design-system/tokens.css">
     <link rel="stylesheet" href="/design-system/components.css">
     <!-- then the page's own CSS, composing these and var(--...) -->
   ============================================================================ */

/* ---- reset & base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg0);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--t-body);
  line-height: 1.65;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
::selection { background: var(--brass); color: var(--brass-ink); }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}
.skip {
  position: absolute; left: var(--s4); top: -48px; z-index: 99;
  background: var(--brass); color: var(--brass-ink);
  font-family: var(--mono); font-size: var(--t-mono);
  padding: var(--s2) var(--s4); transition: top var(--fast) var(--ease);
}
.skip:focus-visible { top: var(--s4); }

/* ---- the drafting sheet: full-height hairline rails ---- */
.sheet {
  max-width: var(--sheet-max);
  margin-inline: auto;
  border-inline: 1px solid var(--line);
  min-height: 100vh;
  position: relative;
}
@media (max-width: 720px) { .sheet { border-inline: none; } }
.gut { padding-inline: var(--gutter); }

/* ---- bracket label: two-tone, ghost brackets around inked text ---- */
.label {
  font-family: var(--mono);
  font-size: var(--t-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-2);
  white-space: nowrap;
}
.label::before { content: "[ "; color: var(--ghost); letter-spacing: 0; }
.label::after  { content: " ]"; color: var(--ghost); letter-spacing: 0; }
.label--brass { color: var(--brass-text); }

/* ---- topbar ---- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: var(--glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar-in {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px; gap: var(--s4);
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none;
  font-family: var(--mono); font-size: 0.8125rem;
  letter-spacing: 0.22em; color: var(--ink);
}
.brand svg { color: var(--brass); }
.nav { display: flex; align-items: center; gap: clamp(10px, 2vw, 26px); }
.nav a {
  text-decoration: none;
  font-family: var(--mono); font-size: 0.75rem;
  letter-spacing: 0.08em; color: var(--ink-2);
  transition: color var(--fast) var(--ease);
}
.nav a:hover { color: var(--ink); }
@media (max-width: 780px) { .nav a { display: none; } }

/* ---- buttons ---- */
.btn {
  font-family: var(--mono); font-size: var(--t-label);
  letter-spacing: 0.14em; text-transform: uppercase;
  background: var(--brass); color: var(--brass-ink);
  border: 1px solid var(--brass);
  padding: 11px 18px; cursor: pointer;
  transition: background var(--fast) var(--ease), border-color var(--fast) var(--ease);
}
.btn:hover { background: var(--brass-hi); border-color: var(--brass-hi); }
.theme-btn {
  font-family: var(--mono); font-size: var(--t-label);
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-2); background: none;
  border: 1px solid var(--line); padding: 7px 12px;
  cursor: pointer;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}
.theme-btn::before { content: "[ "; color: var(--ghost); }
.theme-btn::after  { content: " ]"; color: var(--ghost); }
.theme-btn:hover { color: var(--ink); border-color: var(--line-2); }

/* ---- crop-marked frame: 4 brass registration corners, no border ---- */
.crop {
  position: relative;
  background-image:
    linear-gradient(var(--brass), var(--brass)),
    linear-gradient(var(--brass), var(--brass)),
    linear-gradient(var(--brass), var(--brass)),
    linear-gradient(var(--brass), var(--brass)),
    linear-gradient(var(--brass), var(--brass)),
    linear-gradient(var(--brass), var(--brass)),
    linear-gradient(var(--brass), var(--brass)),
    linear-gradient(var(--brass), var(--brass));
  background-repeat: no-repeat;
  background-size:
    1px 18px, 18px 1px,  1px 18px, 18px 1px,
    1px 18px, 18px 1px,  1px 18px, 18px 1px;
  background-position:
    left top, left top,  right top, right top,
    left bottom, left bottom,  right bottom, right bottom;
}

/* ---- dotted grid (atmospheric; place inside a positioned parent) ---- */
.dots {
  position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(var(--dotc) 1px, transparent 1.5px);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(120% 90% at 28% 0%, #000 0%, transparent 68%);
  mask-image: radial-gradient(120% 90% at 28% 0%, #000 0%, transparent 68%);
}

/* ---- status dots (CSS circles, never glyphs) ---- */
.dot { width: 7px; height: 7px; border-radius: var(--r-pill); flex: none; }
.dot--ok { background: var(--ok); }
.dot--warn { background: var(--warn); }
.dot--danger { background: var(--danger); }
.dot--ghost { background: var(--ghost); }
.dot--brass { background: var(--brass); }

/* ---- badges (the F TUI watch vocabulary: verified / idle / stalled) ---- */
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: var(--t-label);
  letter-spacing: 0.14em; text-transform: uppercase;
  border: 1px solid var(--line); background: var(--bg2);
  padding: 6px 12px; color: var(--ink-2);
}
.badge--ok { color: var(--ok); }
.badge--warn { color: var(--warn); }
.badge--danger { color: var(--danger); }
.badge--brass { color: var(--brass-text); }

/* ---- chip (inline status/meta pill, square) ---- */
.chip {
  display: inline-flex; align-items: center; gap: 9px;
  border: 1px solid var(--line); background: var(--bg2);
  padding: 8px 14px;
  font-family: var(--mono); font-size: var(--t-label);
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-2);
}
.chip .dot { width: 6px; height: 6px; }

/* ---- terminal panes ---- */
.duplex {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  border: 1px solid var(--line);
  background: var(--bg1);
}
.pane + .pane { border-left: 1px solid var(--line); }
@media (max-width: 860px) {
  .duplex { grid-template-columns: minmax(0, 1fr); }
  .pane + .pane { border-left: none; border-top: 1px solid var(--line); }
}
.pane-hd {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  background: var(--bg2); border-bottom: 1px solid var(--line);
}
.pane-bd {
  padding: 18px 20px 22px;
  font-family: var(--mono); font-size: var(--t-mono); line-height: 1.9;
  overflow-x: auto;
}
.pane-bd .row { white-space: pre; }
.ps1 { color: var(--brass-text); }
.out { color: var(--ink-2); }
.who { color: var(--brass-text); }
.cipher { color: var(--ghost); user-select: none; }
.term { border: 1px solid var(--line); background: var(--bg1); }
.term .pane-bd { background: var(--bg1); }

/* ---- the blink caret (a CSS block; the subsets ship no U+25A0) ---- */
.caret {
  display: inline-block; width: 0.55em; height: 1em;
  vertical-align: text-bottom; background: var(--brass);
  animation: blink 1.15s steps(1, end) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---- claims strip (hairline-cut stat cells) ---- */
.claims {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block: 1px solid var(--line);
}
.claim { padding: clamp(20px, 3vw, 34px) var(--gutter); }
.claim + .claim { border-left: 1px solid var(--line); }
@media (max-width: 720px) {
  .claims { grid-template-columns: minmax(0, 1fr); }
  .claim + .claim { border-left: none; border-top: 1px solid var(--line); }
}
.claim .big {
  font-family: var(--mono); font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 480; letter-spacing: -0.01em; color: var(--ink);
}
.claim .sub { margin-top: 6px; font-size: var(--t-small); color: var(--ink-2); max-width: 30ch; }

/* ---- section bands ---- */
.sec { padding-block: var(--sec-pad); border-top: 1px solid var(--line); }
.sec:first-of-type { border-top: none; }
.sec-head { max-width: 62ch; }
.sec-head h2 {
  margin-top: var(--s4);
  font-size: var(--t-h2); font-weight: 600;
  letter-spacing: -0.022em; line-height: 1.12;
  text-wrap: balance;
}
.sec-head .sec-lede { margin-top: var(--s4); color: var(--ink-2); max-width: 56ch; }
.prose p { color: var(--ink-2); max-width: 58ch; }
.prose p + p { margin-top: var(--s4); }
.prose strong { color: var(--ink); font-weight: 540; }
.cols2 {
  margin-top: clamp(2rem, 4vw, 3rem);
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
@media (max-width: 860px) { .cols2 { grid-template-columns: minmax(0, 1fr); } }

/* ---- spec card (mono key/value panel) ---- */
.spec {
  border: 1px solid var(--line); background: var(--bg1);
  font-family: var(--mono); font-size: var(--t-mono);
}
.spec-hd { padding: 12px 18px; border-bottom: 1px solid var(--line); background: var(--bg2); }
.spec-bd { padding: 8px 0; }
.spec-row { display: flex; gap: var(--s4); padding: 7px 18px; }
.spec-row dt { flex: none; width: 8.5ch; color: var(--ink-2); }
.spec-row dd { color: var(--ink); overflow-wrap: anywhere; }
.spec-row .okv { color: var(--ok); }

/* ---- journey strip (hop → hop → hop) ---- */
.journey {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--line); background: var(--bg2);
  padding: 14px 16px;
  font-family: var(--mono); font-size: 0.75rem;
  overflow-x: auto; white-space: nowrap;
}
.journey .hop { color: var(--ink); }
.journey .hop small { color: var(--ink-2); font-size: inherit; }
.journey .arr { color: var(--brass-text); user-select: none; }

/* ---- cards ---- */
.cards {
  margin-top: clamp(2rem, 4vw, 3rem);
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s4);
}
@media (max-width: 940px) { .cards { grid-template-columns: minmax(0, 1fr); } }
.card {
  border: 1px solid var(--line); background: var(--bg1);
  padding: var(--s5) var(--s5) var(--s6);
  transition: border-color var(--fast) var(--ease);
}
.card:hover { border-color: var(--line-2); }
.card h3 {
  margin-top: var(--s4);
  font-size: var(--t-h3); font-weight: 580; letter-spacing: -0.012em;
  line-height: 1.3;
}
.card p { margin-top: var(--s3); font-size: var(--t-small); line-height: 1.65; color: var(--ink-2); }

/* ---- inline command line (wraps at spaces, flags stay whole) ----
   The .card .cmdline selector is deliberate: it outranks `.card p` so a
   cmdline keeps its mono size inside cards. */
.cmdline, .card .cmdline {
  margin-top: var(--s4);
  font-family: var(--mono); font-size: 0.75rem; line-height: 1.8;
  color: var(--ink-2);
  background: var(--bg2); border: 1px solid var(--line);
  padding: 10px 12px;
  white-space: pre-wrap; overflow-wrap: normal; word-break: keep-all;
}
.cmdline .ps1, .card .cmdline .ps1 { color: var(--brass-text); }
.cmdline b, .card .cmdline b { color: var(--ink); font-weight: 500; }

/* ---- verb rail (horizontally scrollable chip strip) ---- */
.vrail-wrap { margin-top: clamp(2.5rem, 5vw, 3.5rem); }
.vrail {
  margin-top: var(--s4);
  display: flex; gap: var(--s2);
  overflow-x: auto; padding-bottom: var(--s2);
}
.vrail .stem {
  flex: none; align-self: center;
  font-family: var(--mono); font-size: var(--t-mono); color: var(--brass-text);
  padding-right: var(--s2); user-select: none;
}
.verb {
  flex: none;
  font-family: var(--mono); font-size: var(--t-mono); color: var(--ink-2);
  border: 1px solid var(--line); background: var(--bg1);
  padding: 7px 13px;
}
.vrail-note { margin-top: var(--s3); font-size: var(--t-small); color: var(--ink-2); }

/* ---- footer ---- */
.foot { border-top: 1px solid var(--line); }
.foot-nod {
  padding: var(--s6) var(--gutter);
  display: flex; align-items: flex-start; gap: var(--s4);
  color: var(--ink-2); font-size: var(--t-small); max-width: 72ch;
}
.foot-nod svg { flex: none; margin-top: 2px; color: var(--brass); }
.statusline {
  display: flex; flex-wrap: wrap; align-items: center;
  border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: var(--t-label);
  letter-spacing: 0.1em; color: var(--ink-2);
}
.sl-seg { padding: 12px 18px; border-right: 1px solid var(--line); white-space: nowrap; }
.sl-seg:first-child { color: var(--brass-text); letter-spacing: 0.2em; }
.sl-seg--end {
  margin-left: auto; border-right: none; border-left: 1px solid var(--line);
  display: inline-flex; align-items: center; gap: 8px; color: var(--ok);
}
@media (max-width: 720px) {
  .statusline { font-size: 0.625rem; }
  .sl-seg { padding: 10px 12px; }
  .sl-seg--end { margin-left: 0; border-left: none; }
}

/* ---- reduced motion: everything goes static ---- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .caret { animation: none; opacity: 1; }
}