/* ============================================================
   Imago UniCell — shared styles
   Design language: the engineering spec sheet / PCB silkscreen.
   ============================================================ */

:root {
  --bg:        #0e130f;
  --bg-panel:  #161d18;
  --bg-panel-2:#1c241d;
  --line:      #2a352c;
  --line-soft: #1f2921;
  --fg:        #e9ede6;
  --fg-dim:    #9aab98;
  --fg-faint:  #627262;
  --copper:    #c17f45;
  --copper-dim:#8a5c30;
  --gold:      #d9b46a;
  --ok:        #7fae7a;
  --warn:      #c1a145;

  --font-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --font-sans: 'IBM Plex Sans', -apple-system, 'Segoe UI', sans-serif;

  --measure: 720px;
  --wide: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: -1px -1px;
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

a { color: var(--copper); text-decoration: none; }
a:hover { color: var(--gold); text-decoration: underline; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

h1, h2, h3 {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--fg);
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(1.9rem, 4.5vw, 3.1rem); line-height: 1.08; }
h2 { font-size: clamp(1.3rem, 2.6vw, 1.7rem); }
h3 { font-size: 1.05rem; color: var(--copper); }

p { margin: 0 0 1em; color: var(--fg-dim); max-width: var(--measure); }
p.lead { color: var(--fg); font-size: 1.1rem; }

code, .mono { font-family: var(--font-mono); }

/* ---------- eyebrow / schematic reference tags ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-faint);
  display: flex;
  align-items: center;
  gap: 0.6em;
  margin-bottom: 0.9em;
}
.eyebrow::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--copper);
  display: inline-block;
  transform: rotate(45deg);
}
.eyebrow .tag {
  border: 1px solid var(--line);
  padding: 0.15em 0.5em;
  color: var(--fg-dim);
}

/* ---------- layout shell ---------- */
.wrap { max-width: var(--wide); margin: 0 auto; padding: 0 24px; }

header.site {
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
  background: rgba(14,19,15,0.92);
  backdrop-filter: blur(6px);
}
.site-nav {
  max-width: var(--wide); margin: 0 auto; padding: 16px 24px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
}
.brand {
  font-family: var(--font-mono); font-weight: 600; color: var(--fg);
  display: flex; align-items: baseline; gap: 8px; font-size: 1rem;
}
.brand .dot { color: var(--copper); }
.brand small { color: var(--fg-faint); font-weight: 400; font-size: 0.75rem; }
nav.links { display: flex; gap: 22px; flex-wrap: wrap; }
nav.links a {
  color: var(--fg-dim); font-family: var(--font-mono); font-size: 0.85rem;
  letter-spacing: 0.03em;
}
nav.links a:hover, nav.links a.active { color: var(--copper); text-decoration: none; }
nav.links a.active { color: var(--fg); }

main { padding: 56px 0 40px; }
section { padding: 48px 0; border-bottom: 1px solid var(--line-soft); }
section:last-of-type { border-bottom: none; }

footer.site {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  color: var(--fg-faint);
  font-family: var(--font-mono); font-size: 0.78rem;
}
footer.site .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* ---------- panels / cards ---------- */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  padding: 24px;
}
.grid {
  display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* ---------- status badges ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 0.75rem;
  border: 1px solid var(--line); padding: 3px 9px;
  color: var(--fg-dim);
}
.badge.ok { color: var(--ok); border-color: #35422f; }
.badge.warn { color: var(--warn); border-color: #423a2f; }
.badge.active { color: var(--copper); border-color: #4a3423; }
.badge::before { content: "●"; font-size: 0.6rem; }

/* ---------- timeline (status page) ---------- */
.log { border-left: 2px solid var(--line); padding-left: 24px; }
.log-entry { position: relative; padding-bottom: 32px; }
.log-entry:last-child { padding-bottom: 0; }
.log-entry::before {
  content: ""; position: absolute; left: -29px; top: 4px;
  width: 10px; height: 10px; background: var(--bg);
  border: 2px solid var(--copper);
}
.log-entry.done::before { background: var(--copper); }
.log-meta {
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--fg-faint);
  margin-bottom: 4px; letter-spacing: 0.04em;
}
.log-title { font-family: var(--font-mono); font-weight: 600; color: var(--fg); margin-bottom: 6px; }

/* ---------- docs list ---------- */
.doclist { list-style: none; margin: 0; padding: 0; }
.doclist li {
  border: 1px solid var(--line); border-top: none;
  padding: 14px 18px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.doclist li:first-child { border-top: 1px solid var(--line); }
.doclist .name { font-family: var(--font-mono); color: var(--fg); }
.doclist .desc { color: var(--fg-faint); font-size: 0.88rem; }

/* ---------- hero / signature diagram ---------- */
.hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 860px) { .hero { grid-template-columns: 1fr; } }
.hero-diagram { border: 1px solid var(--line); background: var(--bg-panel); padding: 12px; }
.hero-diagram svg { width: 100%; height: auto; display: block; }

.pulse { animation: travel 2.6s cubic-bezier(.4,0,.2,1) infinite; }
.pulse.b { animation-delay: 0.35s; }
.node-fire { animation: fire 2.6s ease-in-out infinite; }
@keyframes travel {
  0% { offset-distance: 0%; opacity: 0; }
  8% { opacity: 1; }
  46%, 100% { offset-distance: 100%; opacity: 1; }
}
@keyframes fire {
  0%, 44% { opacity: 0.15; }
  50% { opacity: 1; }
  70%, 100% { opacity: 0.15; }
}

.btn {
  display: inline-block; font-family: var(--font-mono); font-size: 0.85rem;
  border: 1px solid var(--copper-dim); color: var(--fg); padding: 10px 18px;
  background: transparent;
}
.btn:hover { border-color: var(--gold); color: var(--gold); text-decoration: none; background: var(--bg-panel-2); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; font-size: 0.92rem; }
.kv dt { font-family: var(--font-mono); color: var(--fg-faint); }
.kv dd { margin: 0; color: var(--fg-dim); }

pre {
  background: var(--bg-panel); border: 1px solid var(--line);
  padding: 16px; overflow-x: auto; font-size: 0.85rem; color: var(--fg-dim);
}

.menu-toggle { display: none; }
@media (max-width: 640px) {
  nav.links { display: none; width: 100%; flex-direction: column; gap: 4px; }
  nav.links.open { display: flex; }
  .menu-toggle {
    display: inline-flex; background: none; border: 1px solid var(--line); color: var(--fg);
    font-family: var(--font-mono); padding: 6px 10px; cursor: pointer;
  }
}