/* ==========================================================================
   MandiIQ shared site shell
   One design system for every page served from docs/ (index, live, heartbeat).
   Tokens match the Streamlit cockpit and the landing page so the whole surface
   reads as one product: lime on black, Space Grotesk display, IBM Plex Mono data.
   ========================================================================== */

:root {
  --bg-base: #000000;
  --bg-surface: #0a0a0a;
  --bg-surface-glass: rgba(255, 255, 255, 0.03);
  --bg-surface-glass-hover: rgba(255, 255, 255, 0.07);

  --font-display: "Space Grotesk", system-ui, -apple-system, sans-serif;
  --font-body: "IBM Plex Sans", "Inter", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --font-numeric: "Barlow", "IBM Plex Sans", sans-serif;

  --color-primary: #d7ff00;
  --color-paper: #ffffff;
  --color-text-high: #bababa;
  --color-text-med: #7e7e7e;
  --color-text-low: #555555;

  --color-success: #2ecc71;
  --color-warning: #f39c12;
  --color-danger: #e74c3c;
  --color-rust: #d9663b;
  --color-sage: #8fae89;
  --color-violet: #8b6bc4;

  --hairline: rgba(255, 255, 255, 0.07);
  --hairline-strong: rgba(255, 255, 255, 0.14);

  --duration-base: 350ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --nav-height: 60px;
  --shell-max: 1240px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body { margin: 0; }

/* --------------------------------------------------------------------------
   Skip link
   -------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  background: var(--color-primary);
  color: #000;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  border-radius: 0 0 6px 0;
}
.skip-link:focus { left: 0; }

/* --------------------------------------------------------------------------
   Sticky navigation
   -------------------------------------------------------------------------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.82);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--hairline);
}

.site-nav__inner {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 0 20px;
  min-height: var(--nav-height);
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.site-nav__brand {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.02em;
  color: var(--color-paper);
  text-decoration: none;
  padding: 12px 0;
  flex-shrink: 0;
}
.site-nav__brand:hover { color: var(--color-primary); }
.site-nav__brand .mark {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 10px rgba(215, 255, 0, 0.65);
  align-self: center;
  flex-shrink: 0;
}
.site-nav__brand .tag {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-low);
  font-weight: 400;
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  margin-left: auto;
  list-style: none;
  margin-top: 0;
  margin-bottom: 0;
  padding: 0;
}

.site-nav__links a {
  display: inline-block;
  padding: 7px 11px;
  border-radius: 7px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--color-text-med);
  text-decoration: none;
  border: 1px solid transparent;
  transition: color var(--duration-base) var(--ease-out),
              background var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
  white-space: nowrap;
}
.site-nav__links a:hover {
  color: var(--color-paper);
  background: var(--bg-surface-glass);
}
.site-nav__links a[aria-current="page"] {
  color: var(--color-primary);
  border-color: rgba(215, 255, 0, 0.4);
  background: rgba(215, 255, 0, 0.06);
}
.site-nav__links a.is-external::after {
  content: " \2197";
  font-size: 10px;
  opacity: 0.7;
}

.site-nav__status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: var(--color-text-med);
  background: var(--bg-surface-glass);
  white-space: nowrap;
}
.site-nav__status .led {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-text-low);
  flex-shrink: 0;
}
.site-nav__status[data-state="ok"] { color: var(--color-primary); border-color: rgba(215, 255, 0, 0.45); }
.site-nav__status[data-state="ok"] .led { background: var(--color-primary); box-shadow: 0 0 8px rgba(215, 255, 0, 0.8); animation: shell-pulse 2.4s ease-in-out infinite; }
.site-nav__status[data-state="warn"] { color: var(--color-rust); border-color: rgba(217, 102, 59, 0.55); }
.site-nav__status[data-state="warn"] .led { background: var(--color-rust); box-shadow: 0 0 8px rgba(217, 102, 59, 0.7); }
.site-nav__status[data-state="down"] { color: var(--color-danger); border-color: rgba(231, 76, 60, 0.5); }
.site-nav__status[data-state="down"] .led { background: var(--color-danger); }

@keyframes shell-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

@media (max-width: 700px) {
  .site-nav__links { margin-left: 0; width: 100%; overflow-x: auto; padding-bottom: 8px; }
  .site-nav__inner { padding: 0 16px; gap: 10px; }
}

/* --------------------------------------------------------------------------
   Shared footer
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--hairline);
  margin-top: 64px;
  padding: 40px 20px 56px;
  background: linear-gradient(180deg, rgba(10, 10, 10, 0) 0%, rgba(10, 10, 10, 0.65) 100%);
}
.site-footer__inner {
  max-width: var(--shell-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 32px;
}
@media (max-width: 820px) {
  .site-footer__inner { grid-template-columns: 1fr; gap: 26px; }
}
.site-footer__brand {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--color-paper);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.site-footer__blurb {
  font-size: 13px;
  line-height: 1.65;
  color: var(--color-text-med);
  max-width: 42ch;
}
.site-footer h3 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-low);
  font-weight: 500;
  margin: 0 0 12px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 9px; }
.site-footer a {
  color: var(--color-text-high);
  text-decoration: none;
  font-size: 13px;
  transition: color var(--duration-base) var(--ease-out);
}
.site-footer a:hover { color: var(--color-primary); }
.site-footer__legal {
  max-width: var(--shell-max);
  margin: 32px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-low);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: space-between;
}
.site-footer__legal span { line-height: 1.7; }

/* --------------------------------------------------------------------------
   Shared primitives
   -------------------------------------------------------------------------- */
.shell-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid var(--hairline-strong);
  background: var(--bg-surface-glass);
  color: var(--color-paper);
  font-family: var(--font-mono);
  font-size: 12px;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-out);
}
.shell-btn:hover { border-color: rgba(215, 255, 0, 0.5); background: var(--bg-surface-glass-hover); }
.shell-btn--primary {
  background: var(--color-primary);
  color: #000;
  border-color: var(--color-primary);
  font-weight: 600;
}
.shell-btn--primary:hover { filter: brightness(1.1); background: var(--color-primary); }

.shell-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--color-text-high);
  background: var(--bg-surface-glass);
}
.shell-pill[data-state="ok"] { border-color: rgba(215, 255, 0, 0.5); color: var(--color-primary); }
.shell-pill[data-state="warn"] { border-color: rgba(217, 102, 59, 0.6); color: var(--color-rust); }
.shell-pill[data-state="down"] { border-color: rgba(231, 76, 60, 0.55); color: var(--color-danger); }

/* Provenance strip: where the data actually came from, on every page. */
.provenance {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  align-items: center;
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--color-text-low);
}
.provenance strong { color: var(--color-text-high); font-weight: 500; }

/* --------------------------------------------------------------------------
   Shared downtime record. site.js renders it into [data-downtime-summary] and
   [data-downtime-pill] on any page that mounts those hooks, so one record is
   worded once and read the same way wherever it appears. The status page shows
   the long form of the same entries; this is the short one.
   -------------------------------------------------------------------------- */
.downtime {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--color-text-med);
}
.downtime__counts {
  margin: 0 0 12px;
  color: var(--color-text-high);
  line-height: 1.7;
}
.downtime__list { list-style: none; margin: 0; padding: 0; }
.downtime__item {
  border-left: 2px solid var(--hairline-strong);
  padding: 3px 0 3px 13px;
  margin-bottom: 13px;
}
.downtime__item.is-live { border-left-color: var(--color-danger); }
.downtime__host {
  display: inline-block;
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-low);
  margin-bottom: 3px;
}
.downtime__when { display: block; color: var(--color-paper); font-family: var(--font-body); font-size: 13px; }
.downtime__tail { display: block; margin-top: 2px; }
.downtime__why { display: block; margin-top: 4px; color: var(--color-text-high); line-height: 1.6; word-break: break-word; }
.downtime__note { display: block; margin-top: 5px; color: var(--color-sage); line-height: 1.6; }
.downtime__none { margin: 0; line-height: 1.7; color: var(--color-text-low); }
.downtime__limits {
  margin: 12px 0 0;
  color: var(--color-text-low);
  line-height: 1.75;
  max-width: 92ch;
}
.downtime__limits a { color: var(--color-primary); }