/* N5 MAX — shared light/dark theme tokens + chrome
 *
 * LIGHT  = Story/Matrix editorial stone (styles.css heritage)
 * DARK   = M.2 lab charcoal + teal (telemetry-viz heritage)
 *
 * Usage: set <html data-theme="light|dark"> via site/js/theme.js
 *        (localStorage key: n5-theme). Falls back to prefers-color-scheme.
 */



/* Self-hosted Intel One Mono (SIL OFL) — measured / fixed-width face */
@font-face {
  font-family: "Intel One Mono";
  src: url("../fonts/intel-one-mono/IntelOneMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Intel One Mono";
  src: url("../fonts/intel-one-mono/IntelOneMono-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Intel One Mono";
  src: url("../fonts/intel-one-mono/IntelOneMono-Medium.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Intel One Mono";
  src: url("../fonts/intel-one-mono/IntelOneMono-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  /* —— Light (editorial) —— */
  --bg: #f4f1ec;
  --bg-elevated: #faf8f5;
  --surface: #ffffff;
  --ink: #1a1917;
  --ink-soft: #3d3a36;
  --muted: #6b665e;
  --faint: #9a948a;
  --line: rgba(26, 25, 23, 0.08);
  --line-strong: rgba(26, 25, 23, 0.14);
  --shadow: 0 1px 2px rgba(26, 25, 23, 0.04), 0 8px 24px rgba(26, 25, 23, 0.06);
  --shadow-card: 0 1px 3px rgba(26, 25, 23, 0.05), 0 12px 32px rgba(26, 25, 23, 0.07);

  /* Brand accents — same family both themes */
  --raid10: #E86A2B;
  --raid10-soft: rgba(232, 106, 43, 0.12);
  --raid10-mid: rgba(232, 106, 43, 0.22);
  --raidz1: #1FA6A0;
  --raidz1-soft: rgba(31, 166, 160, 0.12);
  --raidz1-mid: rgba(31, 166, 160, 0.22);

  /* Hero washes / chrome helpers */
  --wash-raid10: rgba(232, 106, 43, 0.07);
  --wash-raidz1: rgba(31, 166, 160, 0.07);
  --nav-bg: rgba(244, 241, 236, 0.82);
  --hover-fill: rgba(26, 25, 23, 0.06);
  --hover-fill-soft: rgba(26, 25, 23, 0.03);
  --code-bg: rgba(26, 25, 23, 0.06);
  --overlay: rgba(26, 25, 23, 0.55);
  --ink-inverse: #f4f1ec;

  /* Matrix status (readable on light) */
  --st-pending: #9a948a;
  --st-running: #3b82f6;
  --st-passed: #16a34a;
  --st-failed: #dc2626;
  --st-blocked: #d97706;

  /* Lab aliases → shared (light) */
  --bg-panel: var(--surface);
  --border: #d9d4cb;
  --border-subtle: #e8e4dc;
  --text: var(--ink);
  --text-muted: var(--muted);
  --text-dim: var(--faint);
  --teal: #1FA6A0;
  --teal-dim: #178a85;
  --teal-glow: rgba(31, 166, 160, 0.28);
  --accent-x4: #2bb8b1;
  --heat-cold: #3b82f6;
  --heat-mid: #f59e0b;
  --heat-hot: #ef4444;
  --demo-chip: #b45309;
  --demo-bg: rgba(180, 83, 9, 0.1);
  --rail-read: #1FA6A0;
  --rail-write: #3b82f6;

  /* Fonts / radii shared (also in styles.css) */
  --font: "Ubuntu", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --display: "Orbitron", ui-sans-serif, system-ui, sans-serif;
  --font-display: var(--display);
  --mono: "Intel One Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius: 14px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --max: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --provisional-h: 0px;
  color-scheme: light;
}

/* Dark = M.2 lab charcoal + teal, sitewide */
html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0e1114;
  --bg-elevated: #1c2329;
  --surface: #151a1f;
  --ink: #d6dde3;
  --ink-soft: #b8c2ca;
  --muted: #7a8792;
  --faint: #556069;
  --line: rgba(214, 221, 227, 0.1);
  --line-strong: rgba(214, 221, 227, 0.16);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.4), 0 12px 32px rgba(0, 0, 0, 0.5);

  --raid10: #E86A2B;
  --raid10-soft: rgba(232, 106, 43, 0.18);
  --raid10-mid: rgba(232, 106, 43, 0.32);
  --raidz1: #2dd4bf;
  --raidz1-soft: rgba(45, 212, 191, 0.14);
  --raidz1-mid: rgba(45, 212, 191, 0.28);

  --wash-raid10: rgba(232, 106, 43, 0.09);
  --wash-raidz1: rgba(45, 212, 191, 0.08);
  --nav-bg: rgba(14, 17, 20, 0.88);
  --hover-fill: rgba(214, 221, 227, 0.08);
  --hover-fill-soft: rgba(214, 221, 227, 0.04);
  --code-bg: rgba(214, 221, 227, 0.08);
  --overlay: rgba(0, 0, 0, 0.65);
  --ink-inverse: #0e1114;

  /* Status — brighter on charcoal */
  --st-pending: #8b95a0;
  --st-running: #60a5fa;
  --st-passed: #4ade80;
  --st-failed: #f87171;
  --st-blocked: #fbbf24;

  /* Lab palette (canonical dark) */
  --bg-panel: #151a1f;
  --border: #2a343c;
  --border-subtle: #222a31;
  --text: #d6dde3;
  --text-muted: #7a8792;
  --text-dim: #556069;
  --teal: #2dd4bf;
  --teal-dim: #1a9e8f;
  --teal-glow: rgba(45, 212, 191, 0.35);
  --accent-x4: #5eead4;
  --heat-cold: #3b82f6;
  --heat-mid: #f59e0b;
  --heat-hot: #ef4444;
  --demo-chip: #fbbf24;
  --demo-bg: rgba(251, 191, 36, 0.12);
  --rail-read: #2dd4bf;
  --rail-write: #60a5fa;

  /* Lab uses tighter radius; keep structural radii from light for Story/Matrix.
     Lab page overrides --radius locally. */
}

/* System preference when no stored / explicit theme yet */
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]):not([data-theme="dark"]) {
    --bg: #0e1114;
    --bg-elevated: #1c2329;
    --surface: #151a1f;
    --ink: #d6dde3;
    --ink-soft: #b8c2ca;
    --muted: #7a8792;
    --faint: #556069;
    --line: rgba(214, 221, 227, 0.1);
    --line-strong: rgba(214, 221, 227, 0.16);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 8px 24px rgba(0, 0, 0, 0.45);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.4), 0 12px 32px rgba(0, 0, 0, 0.5);
    --raid10: #E86A2B;
    --raid10-soft: rgba(232, 106, 43, 0.18);
    --raid10-mid: rgba(232, 106, 43, 0.32);
    --raidz1: #2dd4bf;
    --raidz1-soft: rgba(45, 212, 191, 0.14);
    --raidz1-mid: rgba(45, 212, 191, 0.28);
    --wash-raid10: rgba(232, 106, 43, 0.09);
    --wash-raidz1: rgba(45, 212, 191, 0.08);
    --nav-bg: rgba(14, 17, 20, 0.88);
    --hover-fill: rgba(214, 221, 227, 0.08);
    --hover-fill-soft: rgba(214, 221, 227, 0.04);
    --code-bg: rgba(214, 221, 227, 0.08);
    --overlay: rgba(0, 0, 0, 0.65);
    --ink-inverse: #0e1114;
    --st-pending: #8b95a0;
    --st-running: #60a5fa;
    --st-passed: #4ade80;
    --st-failed: #f87171;
    --st-blocked: #fbbf24;
    --bg-panel: #151a1f;
    --border: #2a343c;
    --border-subtle: #222a31;
    --text: #d6dde3;
    --text-muted: #7a8792;
    --text-dim: #556069;
    --teal: #2dd4bf;
    --teal-dim: #1a9e8f;
    --teal-glow: rgba(45, 212, 191, 0.35);
    --accent-x4: #5eead4;
    --demo-chip: #fbbf24;
    --demo-bg: rgba(251, 191, 36, 0.12);
    --rail-read: #2dd4bf;
    --rail-write: #60a5fa;
  }
}


/* Measured text surfaces — never body prose / Orbitron headlines */
code, kbd, samp, pre {
  font-family: var(--mono);
}

/* ── Shared chrome: provisional banner + site-nav + theme toggle ── */

.provisional-banner {
  position: sticky;
  top: 0;
  z-index: 60;
  background: linear-gradient(90deg, #1a1408 0%, #2a1f0a 45%, #1a1408 100%);
  color: #f5c542;
  border-bottom: 2px solid #f5a623;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.4);
}

.provisional-banner-inner {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
  padding: 0.55rem 0 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.provisional-title {
  font-family: var(--display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #ffcc33;
  line-height: 1.25;
}

.provisional-body {
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 400;
  line-height: 1.4;
  color: #f0e6c8;
  max-width: 78ch;
}

body:has(.provisional-banner) {
  --provisional-h: 4.75rem;
}

.site-nav {
  position: sticky;
  top: var(--provisional-h, 0px);
  z-index: 50;
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  background: var(--nav-bg);
  border-bottom: 1px solid var(--line);
}

.site-nav .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 52px;
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.nav-brand {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.nav-brand span.r10 { color: var(--raid10); }
.nav-brand span.rz1 { color: var(--raidz1); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  flex: 1 1 auto;
  min-width: 0;
  justify-content: flex-end;
}
.nav-links::-webkit-scrollbar { display: none; }

.nav-links a {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
  padding: 0.4rem 0.65rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.nav-links a:hover,
.nav-links a.active,
.nav-links a[aria-current="page"] {
  color: var(--ink);
  background: var(--hover-fill);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: var(--surface);
  padding: 0.15rem;
  margin-left: 0.35rem;
}

.theme-toggle button {
  font-family: var(--font);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  background: transparent;
  border: none;
  border-radius: var(--radius-pill);
  padding: 0.28rem 0.55rem;
  cursor: pointer;
  transition: color 0.15s var(--ease), background 0.15s var(--ease);
}

.theme-toggle button[aria-pressed="true"] {
  color: var(--ink);
  background: var(--hover-fill);
}

.theme-toggle button:focus-visible {
  outline: 2px solid var(--raidz1);
  outline-offset: 1px;
}

@media (max-width: 720px) {
  body:has(.provisional-banner) { --provisional-h: 6.5rem; }
  .provisional-title { font-size: 0.7rem; letter-spacing: 0.08em; }
  .provisional-body { font-size: 0.76rem; }
  .provisional-banner-inner {
    width: min(100% - 1.25rem, var(--max));
    padding: 0.45rem 0 0.55rem;
  }
  .nav-brand { display: none; }
  .theme-toggle button { padding: 0.28rem 0.45rem; font-size: 0.6rem; }
}

html {
  scroll-padding-top: calc(var(--provisional-h, 0px) + 72px);
}

@media (max-width: 720px) {
  html {
    scroll-padding-top: calc(var(--provisional-h, 0px) + 56px);
  }
}