/* Midnight Passport — shared brand tokens, base reset, and theme toggle.
   Imported by every page under site/. */

:root {
  /* IOG brand palette — identical in every theme */
  --iog-infared: #E52321;
  --iog-dawn: #EC641D;
  --iog-acid-green: #06FF89;
  --iog-electric-blue: #16E9D8;
  --iog-volt-yellow: #F2FF58;
  --iog-solar-amber: #FFBA36;
  --iog-ember-orange: #FF532C;
  --iog-cobalt-pulse: #2C4FFA;
  --iog-ultraviolet: #A700FF;
  --iog-hyper-pink: #FF79FC;

  /* Light theme (default) */
  --bg: #FFFFFF;
  --bg-soft: #FAFAFA;
  --bg-alt: #F4F4F2;
  --bg-code: #F4F4F2;
  --line: rgba(0,0,0,0.10);
  --line-strong: rgba(0,0,0,0.22);
  --text: #0A0A0A;
  --text-mute: #4A4A4A;
  --text-faint: #888888;

  --card-fill: #FFFFFF;
  --card-soft-fill: #FAFAFA;
  --card-stroke: #0A0A0A;
  --card-stroke-soft: #888888;
  --card-stroke-faint: #E0E0E0;
  --svg-text: #0A0A0A;
  --svg-text-mute: #4A4A4A;
  --svg-text-faint: #888888;

  --good: #00994A;
  --good-soft: #E2F5EB;
  --bad: #E52321;
  --bad-soft: #FCEAE9;
  --warn: #A88200;
  --warn-soft: #FBF1CC;
  --info: #2C4FFA;
  --info-soft: #E7EBFE;
  --accent: #E52321;

  --font-display: 'Barlow', 'Bricolage Grotesque', system-ui, sans-serif;
  --font-body: 'Barlow', 'Bricolage Grotesque', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0A0A0A;
    --bg-soft: #121212;
    --bg-alt: #181818;
    --bg-code: #1A1A1A;
    --line: rgba(255,255,255,0.10);
    --line-strong: rgba(255,255,255,0.22);
    --text: #F4F4F2;
    --text-mute: #B5B5B5;
    --text-faint: #7A7A7A;

    --card-fill: #181818;
    --card-soft-fill: #121212;
    --card-stroke: #F4F4F2;
    --card-stroke-soft: #7A7A7A;
    --card-stroke-faint: #2A2A2A;
    --svg-text: #F4F4F2;
    --svg-text-mute: #B5B5B5;
    --svg-text-faint: #7A7A7A;

    --good: #06FF89;
    --good-soft: #0C2A1C;
    --bad: #FF5653;
    --bad-soft: #2A0C0B;
    --warn: #F2FF58;
    --warn-soft: #2B2A0B;
    --info: #8FA3FF;
    --info-soft: #0E1638;
  }
}

html[data-theme="dark"] {
  --bg: #0A0A0A;
  --bg-soft: #121212;
  --bg-alt: #181818;
  --bg-code: #1A1A1A;
  --line: rgba(255,255,255,0.10);
  --line-strong: rgba(255,255,255,0.22);
  --text: #F4F4F2;
  --text-mute: #B5B5B5;
  --text-faint: #7A7A7A;

  --card-fill: #181818;
  --card-soft-fill: #121212;
  --card-stroke: #F4F4F2;
  --card-stroke-soft: #7A7A7A;
  --card-stroke-faint: #2A2A2A;
  --svg-text: #F4F4F2;
  --svg-text-mute: #B5B5B5;
  --svg-text-faint: #7A7A7A;

  --good: #06FF89;
  --good-soft: #0C2A1C;
  --bad: #FF5653;
  --bad-soft: #2A0C0B;
  --warn: #F2FF58;
  --warn-soft: #2B2A0B;
  --info: #8FA3FF;
  --info-soft: #0E1638;
}

html[data-theme="light"] {
  --bg: #FFFFFF;
  --bg-soft: #FAFAFA;
  --bg-alt: #F4F4F2;
  --bg-code: #F4F4F2;
  --line: rgba(0,0,0,0.10);
  --line-strong: rgba(0,0,0,0.22);
  --text: #0A0A0A;
  --text-mute: #4A4A4A;
  --text-faint: #888888;

  --card-fill: #FFFFFF;
  --card-soft-fill: #FAFAFA;
  --card-stroke: #0A0A0A;
  --card-stroke-soft: #888888;
  --card-stroke-faint: #E0E0E0;
  --svg-text: #0A0A0A;
  --svg-text-mute: #4A4A4A;
  --svg-text-faint: #888888;

  --good: #00994A;
  --good-soft: #E2F5EB;
  --bad: #E52321;
  --bad-soft: #FCEAE9;
  --warn: #A88200;
  --warn-soft: #FBF1CC;
  --info: #2C4FFA;
  --info-soft: #E7EBFE;
}

/* Base reset */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  transition: background .2s ease, color .2s ease;
  font-size: 17px;
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }

/* ---------- Page chrome shared by every page ---------- */

/* IOG logo pair — height is set per page; the theme swap is shared. */
.doc-logo, .doc-logo-dark { width: auto; display: block; }
.doc-logo-dark { display: none; }
html[data-theme="dark"] .doc-logo { display: none; }
html[data-theme="dark"] .doc-logo-dark { display: block; }
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .doc-logo { display: none; }
  html:not([data-theme="light"]) .doc-logo-dark { display: block; }
}

/* Hero kind line + section eyebrows */
.kind {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--iog-infared);
  font-weight: 600;
  margin-bottom: 14px;
}
.section-kind {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--iog-infared);
  font-weight: 600;
  margin-bottom: 12px;
}

/* Breadcrumb */
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  margin-bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.breadcrumb a {
  color: var(--text-mute);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color .12s ease, border-color .12s ease;
}
.breadcrumb a:hover { color: var(--iog-infared); border-bottom-color: var(--iog-infared); }
.breadcrumb .sep { opacity: 0.5; }

/* Cross-delivery banner */
.symbiosis-banner {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  padding: 10px 16px;
  border: 1px dashed var(--line-strong);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.symbiosis-banner a {
  color: var(--iog-infared);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid currentColor;
}
.symbiosis-banner a:hover { color: var(--iog-dawn); }

/* Footer — pages with wider containers override max-width locally. */
footer.landing-footer {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding: 28px clamp(24px, 5vw, 80px);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  max-width: clamp(820px, 80vw, 1280px);
  margin: 0 auto;
  width: 100%;
}
footer.landing-footer a { color: var(--text-mute); text-decoration: none; border-bottom: 1px solid var(--line); }
footer.landing-footer a:hover { color: var(--iog-infared); border-bottom-color: var(--iog-infared); }
.footer-meta { font-size: 0.74rem; color: var(--text-faint); }

/* Top navbar — shared across index, demo, standards */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(24px, 5vw, 80px);
  padding-right: clamp(80px, 8vw, 120px); /* leave room for the fixed theme toggle */
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  position: sticky;
  top: 0;
  z-index: 40;
}
.navbar-brand {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  white-space: nowrap;
  transition: color .12s ease;
}
.navbar-brand:hover { color: var(--iog-infared); }
.navbar-brand .brand-tag {
  color: var(--text-faint);
  font-weight: 500;
  margin-left: 6px;
}
.navbar-links {
  display: flex;
  gap: clamp(14px, 2.5vw, 28px);
  flex-wrap: wrap;
  justify-content: flex-end;
}
.navbar-links a {
  color: var(--text-mute);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  padding: 4px 0;
  position: relative;
  transition: color .12s ease;
}
.navbar-links a:hover { color: var(--iog-infared); }
.navbar-links a.active { color: var(--iog-infared); }
.navbar-links a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--iog-infared);
}

/* Theme toggle — Auto · Light · Dark */
.theme-toggle {
  position: fixed;
  top: 20px; right: 20px;
  z-index: 50;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: border-color .15s ease, color .15s ease;
}
.theme-toggle:hover { border-color: var(--iog-infared); color: var(--iog-infared); }
.theme-toggle svg { width: 16px; height: 16px; display: block; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
html[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
html[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .theme-toggle .icon-sun { display: block; }
  html:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
}

/* ---------- Side panel (global — used by promises, components, decisions) ---------- */

.panel-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0);
  z-index: 90;
  pointer-events: none;
  transition: background .25s ease;
}
.panel-backdrop.show {
  pointer-events: auto;
  background: rgba(0,0,0,0.18);
}
html[data-theme="dark"] .panel-backdrop.show { background: rgba(0,0,0,0.45); }
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .panel-backdrop.show { background: rgba(0,0,0,0.45); }
}

.panel {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: clamp(360px, 42%, 600px);
  background: var(--bg);
  border-left: 1px solid var(--line-strong);
  transform: translateX(100%);
  transition: transform .25s ease;
  overflow-y: auto;
  z-index: 100;
  box-shadow: -8px 0 28px rgba(0,0,0,0.06);
}
html[data-theme="dark"] .panel { box-shadow: -8px 0 28px rgba(0,0,0,0.4); }
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .panel { box-shadow: -8px 0 28px rgba(0,0,0,0.4); }
}
.panel.open { transform: translateX(0); }

.panel-close {
  position: sticky;
  top: 0;
  margin-left: auto;
  margin-right: 14px;
  margin-top: 14px;
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  color: var(--text-mute);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  line-height: 1;
  z-index: 1;
  transition: border-color .12s ease, color .12s ease;
}
.panel-close:hover { border-color: var(--iog-infared); color: var(--iog-infared); }

.panel-body {
  padding: 0 28px 40px;
  margin-top: -32px;
}

.panel-head { margin-bottom: 20px; padding-top: 28px; }
.panel-kind {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--iog-infared);
  font-weight: 600;
  margin-bottom: 8px;
}
.panel-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: var(--text);
  margin: 0;
}
.panel-id {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--text-faint);
  font-weight: 600;
  margin-right: 8px;
}
.panel-status-done {
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--good);
  background: var(--good-soft);
  border: 1px solid var(--good);
  border-radius: 6px;
  padding: 8px 12px;
  margin: 12px 0 0;
}
.panel-status-decided {
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--info);
  background: var(--info-soft);
  border: 1px solid var(--info);
  border-radius: 6px;
  padding: 8px 12px;
  margin: 12px 0 0;
}

.panel-serves {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}
.panel-promise-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--iog-infared);
  border: 1px solid var(--iog-infared);
  border-radius: 999px;
  padding: 2px 9px;
  letter-spacing: 0.04em;
  background: transparent;
  cursor: pointer;
  transition: background .12s ease;
}
.panel-promise-pill:hover { background: var(--bad-soft); }

.panel-section {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.panel-section:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}
.panel-section h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  margin-bottom: 10px;
}
.panel-section p {
  font-size: 0.95rem;
  color: var(--text-mute);
  line-height: 1.55;
  margin-bottom: 10px;
}
.panel-hint {
  font-size: 0.82rem !important;
  color: var(--text-faint) !important;
  font-style: italic;
}

.panel-deps,
.panel-list,
.panel-alternatives,
.panel-invariants,
.panel-evidence {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.panel-evidence li {
  font-size: 0.9rem;
  line-height: 1.5;
}
.panel-evidence a {
  color: var(--iog-infared);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.panel-evidence a:hover { border-bottom-color: var(--iog-infared); }
.panel-evidence-status {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  margin-top: 2px;
}
.panel-list li {
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.55;
  padding-left: 14px;
  position: relative;
}
.panel-list li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--text-faint);
  font-weight: 700;
}

.panel-invariants li {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 12px;
  line-height: 1.5;
  padding: 6px 0;
  border-bottom: 1px dashed var(--line);
}
.panel-invariants li:last-child { border-bottom: 0; }
.invariant-id {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--iog-infared);
  letter-spacing: 0.04em;
  padding-top: 1px;
}
.invariant-text {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.55;
}

.panel-alternatives li {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  background: var(--bg-soft);
}
.alt-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.alt-desc {
  display: block;
  font-size: 0.86rem;
  color: var(--text-mute);
  line-height: 1.5;
}

.dep-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 6px 10px;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  color: var(--text);
  transition: border-color .12s ease, background .12s ease;
}
.dep-link:hover {
  border-color: var(--iog-infared);
  background: var(--bg-soft);
}
.dep-id {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--iog-infared);
}
.dep-name {
  font-size: 0.88rem;
  color: var(--text-mute);
}