/* neverflake design kernel — the ONLY place raw colour values may appear.
   Governed by docs/ux/UI-CONSTITUTION.md. Status colours are semantic-only:
   --pass/--fail/--flake/--skip may never be used for branding or emphasis. */

:root {
  /* surfaces (dark-first) */
  --void: #0e1116;
  --panel: #151a21;
  --sunk: #0a0d11;
  --line: rgba(230, 234, 240, 0.12);

  /* foreground */
  --fg: #e6eaf0;
  --fg-soft: #a3adbb;
  --fg-faint: #6b7684;

  /* the single interactive accent — deliberately NOT green (see §4.1) */
  --brand: #4c9be8;
  --brand-ink: #2f7cc9;
  --on-brand: #08101a;

  /* status — RESERVED */
  --pass: #3fb950;
  --fail: #e5534b;
  --flake: #d29922;
  --skip: #6b7684;

  --radius-input: 0.375rem;
  --radius-card: 0.5rem;
  --radius-pill: 999px;
  --shadow-overlay: 0 1rem 2rem rgba(0, 0, 0, 0.5);

  --font-ui: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, monospace;

  --dur: 160ms;
  --ease: cubic-bezier(0.2, 0, 0, 1);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --void: #fbfcfd;
    --panel: #ffffff;
    --sunk: #f1f4f8;
    --line: rgba(14, 17, 22, 0.14);
    --fg: #16191f;
    --fg-soft: #4a5563;
    --fg-faint: #6b7684;
    --brand: #1f6fc4;
    --brand-ink: #17558f;
    --on-brand: #ffffff;
    /* hue held constant, lightness only (§4.1) */
    --pass: #1a7f37;
    --fail: #c3352c;
    --flake: #9a6700;
    --skip: #6b7684;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--void);
  color: var(--fg);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.5;
  min-height: 100dvh;
}

code, .mono, td.num, .runid { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

a { color: var(--brand); text-decoration-thickness: 1px; text-underline-offset: 2px; }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: 2px;
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 1.25rem; }

/* ---------------------------------------------------------------- header */
header.site {
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--void) 92%, transparent);
  backdrop-filter: none; /* §4.2: no glass */
}
header.site .wrap { display: flex; align-items: center; gap: 1rem; height: 3.5rem; }
.brand { font-weight: 650; letter-spacing: -0.015em; font-size: 1.0625rem; }
.brand span { color: var(--brand); }
.spacer { flex: 1; }

/* ---------------------------------------------------------------- type */
h1 { font-size: clamp(1.75rem, 1.2rem + 2.2vw, 2.75rem); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 0.75rem; font-weight: 660; }
h2 { font-size: 1.25rem; line-height: 1.3; margin: 0 0 0.5rem; font-weight: 620; letter-spacing: -0.01em; }
.lede { color: var(--fg-soft); font-size: 1.0625rem; max-width: 58ch; margin: 0 0 1.5rem; }
.muted { color: var(--fg-soft); }
.faint { color: var(--fg-faint); font-size: 0.875rem; }

/* ---------------------------------------------------------------- run ribbon (the signature element, §3) */
.ribbon { display: flex; gap: 3px; align-items: flex-end; height: 28px; margin: 0.5rem 0; }
.ribbon .bar {
  width: 7px; border-radius: 1px; background: var(--skip);
  height: 100%; border: 0; padding: 0; cursor: pointer;
  transition: opacity var(--dur) var(--ease);
}
.ribbon .bar:hover { opacity: 0.7; }
.ribbon .bar[data-outcome="pass"] { background: var(--pass); height: 60%; }
.ribbon .bar[data-outcome="fail"] { background: var(--fail); height: 100%; }
.ribbon .bar[data-outcome="error"] { background: var(--flake); height: 100%; }
.ribbon .bar[data-outcome="queued"],
.ribbon .bar[data-outcome="running"] { background: var(--skip); height: 40%; }
.ribbon.empty { color: var(--fg-faint); font-size: 0.8125rem; align-items: center; }

/* ---------------------------------------------------------------- status pill (glyph + label, never colour alone §6) */
.pill {
  display: inline-flex; align-items: center; gap: 0.375rem;
  font-size: 0.8125rem; font-weight: 560;
  padding: 0.125rem 0.5rem; border-radius: var(--radius-pill);
  border: 1px solid currentColor;
}
.pill .glyph { font-family: var(--font-mono); }
.pill[data-outcome="pass"] { color: var(--pass); }
.pill[data-outcome="fail"] { color: var(--fail); }
.pill[data-outcome="error"] { color: var(--flake); }
.pill[data-outcome="queued"], .pill[data-outcome="running"] { color: var(--skip); }

/* ---------------------------------------------------------------- controls */
button, .btn {
  font: inherit; font-weight: 560;
  border-radius: var(--radius-input);
  border: 1px solid var(--line);
  background: var(--panel); color: var(--fg);
  padding: 0.5rem 0.875rem; cursor: pointer;
  min-height: 2.25rem;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
button:hover:not(:disabled) { border-color: var(--fg-faint); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.primary { background: var(--brand); color: var(--on-brand); border-color: var(--brand); }
button.primary:hover:not(:disabled) { background: var(--brand-ink); border-color: var(--brand-ink); }
button.ghost { background: transparent; }

input {
  font: inherit; font-size: 16px; /* iOS zoom floor */
  background: var(--sunk); color: var(--fg);
  border: 1px solid var(--line); border-radius: var(--radius-input);
  padding: 0.5rem 0.75rem; min-height: 2.25rem; width: 100%;
}
input::placeholder { color: var(--fg-faint); }

/* ---------------------------------------------------------------- layout */
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius-card); padding: 1.25rem;
}
.stack > * + * { margin-top: 1rem; }
.row { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; }

table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
.table-scroll { overflow-x: auto; }
th {
  text-align: left; font-weight: 560; font-size: 0.8125rem;
  color: var(--fg-soft); border-bottom: 1px solid var(--line);
  padding: 0.5rem 0.75rem; white-space: nowrap;
}
td { padding: 0.625rem 0.75rem; border-bottom: 1px solid var(--line); }
tbody tr:nth-child(even) { background: var(--sunk); }
td.num { text-align: right; }

.empty {
  border: 1px dashed var(--line); border-radius: var(--radius-card);
  padding: 2rem 1.25rem; text-align: center; color: var(--fg-soft);
}

.notice {
  border-left: 2px solid var(--brand); background: var(--sunk);
  padding: 0.75rem 1rem; border-radius: 0 var(--radius-card) var(--radius-card) 0;
  font-size: 0.9375rem;
}
.err { border-left-color: var(--fail); color: var(--fg); }

.hidden { display: none !important; }

footer.site { border-top: 1px solid var(--line); margin-top: 4rem; padding: 2rem 0; color: var(--fg-faint); font-size: 0.875rem; }

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

@media (max-width: 640px) {
  h1 { font-size: 1.75rem; }
  .wrap { padding: 0 1rem; }
}