/* wiki2 Observatory — not Material, not docs-sidebar */
:root {
  --bg: #090b10;
  --bg-elev: #10151e;
  --bg-soft: #161d29;
  --line: rgba(232, 236, 245, 0.08);
  --text: #e8ecf5;
  --muted: #8b95a8;
  --dim: #5d677a;
  --amber: #e8a54b;
  --cyan: #6ec6ff;
  --lime: #b6f06c;
  --violet: #b7a0ff;
  --rose: #ff8fab;
  --source: var(--lime);
  --model: var(--cyan);
  --judgment: var(--amber);
  --radius: 18px;
  --font: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", ui-monospace, monospace;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(110, 198, 255, 0.12), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(232, 165, 75, 0.10), transparent 50%),
    radial-gradient(800px 500px at 50% 100%, rgba(183, 160, 255, 0.08), transparent 45%),
    var(--bg);
  line-height: 1.55;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { color: #a8dcff; }
.sr-only, .skip {
  position: absolute; left: -9999px;
}
.skip:focus { left: 1rem; top: 1rem; z-index: 99; background: #000; padding: .5rem 1rem; }

.topbar {
  position: sticky; top: 0; z-index: 40;
  display: grid;
  grid-template-columns: 1.2fr auto 1fr;
  gap: 1rem;
  align-items: center;
  padding: .85rem 1.4rem;
  border-bottom: 1px solid var(--line);
  background: rgba(9, 11, 16, 0.82);
  backdrop-filter: blur(16px);
}
.brand { display: flex; flex-direction: column; gap: .1rem; }
.brand-mark {
  display: inline-flex; align-items: center; gap: .65rem;
  color: var(--text); font-weight: 700; letter-spacing: -0.02em;
}
.orb {
  width: 14px; height: 14px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff, var(--cyan) 40%, transparent 60%),
              radial-gradient(circle at 70% 70%, var(--amber), transparent 55%);
  box-shadow: 0 0 0 1px rgba(255,255,255,.15), 0 0 24px rgba(110,198,255,.45);
}
.brand-text .dim { color: var(--muted); font-weight: 500; }
.brand-sub { font-size: .72rem; color: var(--dim); letter-spacing: .12em; text-transform: uppercase; }
.topnav { display: flex; gap: .35rem; flex-wrap: wrap; justify-content: center; }
.topnav a {
  color: var(--muted);
  padding: .45rem .8rem;
  border-radius: 999px;
  font-size: .92rem;
}
.topnav a:hover, body[data-view="home"] .topnav a[data-nav="home"],
body[data-view="explore"] .topnav a[data-nav="explore"],
body[data-view="projects"] .topnav a[data-nav="projects"],
body[data-view="log"] .topnav a[data-nav="log"],
body[data-view="contract"] .topnav a[data-nav="contract"] {
  color: var(--text);
  background: rgba(255,255,255,.05);
}
.top-actions { display: flex; justify-content: flex-end; }
.search-wrap input {
  width: min(280px, 42vw);
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--text);
  border-radius: 999px;
  padding: .55rem 1rem;
  font: inherit;
}
.search-wrap input:focus {
  outline: none;
  border-color: rgba(110,198,255,.45);
  box-shadow: 0 0 0 3px rgba(110,198,255,.12);
}

.search-panel {
  position: sticky; top: 64px; z-index: 35;
  margin: 0 1.4rem;
  padding: .75rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(16,21,30,.96);
  box-shadow: var(--shadow);
  max-height: 50vh; overflow: auto;
}
.search-panel.hidden { display: none; }
.search-panel a {
  display: block;
  padding: .55rem .7rem;
  border-radius: 10px;
  color: var(--text);
}
.search-panel a:hover { background: rgba(255,255,255,.04); }
.search-panel .tag {
  display: inline-block;
  min-width: 4.5rem;
  color: var(--amber);
  font-family: var(--mono);
  font-size: .72rem;
}

.main { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; padding: 1.6rem 0 4rem; }
.foot {
  border-top: 1px solid var(--line);
  padding: 1.4rem;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  color: var(--dim); font-size: .86rem;
  width: min(1180px, calc(100% - 2rem)); margin: 0 auto;
}
.dim { color: var(--muted); }
.mono { font-family: var(--mono); font-size: .82em; color: var(--dim); }
.eyebrow {
  margin: 0 0 .5rem;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--amber);
}
h1 { font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.12; letter-spacing: -0.03em; margin: 0 0 .8rem; }
h2 { letter-spacing: -0.02em; }
.lede { color: var(--muted); font-size: 1.05rem; max-width: 46rem; }

.hero {
  display: grid;
  grid-template-columns: 1.35fr .9fr;
  gap: 1.5rem;
  margin-bottom: 2.4rem;
}
.hero-copy, .hero-stats, .sky-card, .project-panel, .filter-bar, .reader-head, .orbit {
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent 40%), var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow);
}
.hero-copy { padding: 1.8rem; }
.hero-stats { padding: 1.2rem; display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; align-content: start; }
.stat {
  background: var(--bg-soft);
  border-radius: 14px;
  padding: .9rem;
  border: 1px solid var(--line);
}
.stat em {
  display: block;
  font-style: normal;
  font-size: 1.8rem;
  font-family: var(--mono);
  color: var(--cyan);
}
.stat span { color: var(--muted); font-size: .85rem; }
.layer-meters { grid-column: 1 / -1; display: grid; gap: .45rem; }
.meter { display: grid; grid-template-columns: 5rem 1fr 2rem; gap: .5rem; align-items: center; font-size: .8rem; color: var(--muted); }
.meter b {
  display: block; height: 6px; border-radius: 99px; background: rgba(255,255,255,.06); position: relative; overflow: hidden;
}
.meter b::after {
  content: ""; position: absolute; inset: 0 auto 0 0; width: var(--w, 10%);
  background: linear-gradient(90deg, var(--cyan), var(--amber));
  border-radius: inherit;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px; padding: .7rem 1.1rem; font-weight: 600; border: 1px solid transparent;
}
.btn.primary { background: linear-gradient(135deg, var(--amber), #ffcf80); color: #1a1205; }
.btn.primary:hover { color: #000; filter: brightness(1.05); }
.btn.ghost { border-color: var(--line); color: var(--text); background: transparent; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.3rem; }

.section { margin: 2.2rem 0; }
.section-head {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-bottom: 1rem;
}
.section-head h2 { margin: 0; font-size: 1.25rem; }
.sky-grid, .card-grid, .project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}
.sky-card, .card, .project-panel {
  padding: 1.15rem 1.2rem;
  transition: transform .15s ease, border-color .15s ease;
  color: inherit;
}
.sky-card:hover, .card:hover, .project-panel:hover {
  transform: translateY(-2px);
  border-color: rgba(110,198,255,.28);
}
.sky-kicker {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--violet);
}
.sky-card h2, .card h3, .project-panel h2 {
  margin: .35rem 0 .45rem; font-size: 1.15rem; color: var(--text);
}
.sky-card p, .card p, .project-panel p { margin: 0; color: var(--muted); font-size: .92rem; }

.chip-row { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .85rem; }
.chip {
  display: inline-flex; gap: .3rem; align-items: center;
  border-radius: 999px; padding: .18rem .55rem;
  background: rgba(255,255,255,.04); border: 1px solid var(--line);
  font-size: .72rem; color: var(--text);
}
.chip i { font-style: normal; color: var(--dim); font-family: var(--mono); }
.chip.layer-source { border-color: rgba(182,240,108,.35); color: var(--source); }
.chip.layer-model { border-color: rgba(110,198,255,.35); color: var(--model); }
.chip.layer-judgment { border-color: rgba(232,165,75,.4); color: var(--judgment); }
.chip.project { border-color: rgba(183,160,255,.35); }

.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin: 2rem 0;
}
.split > div, .filter-bar {
  padding: 1.1rem 1.2rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.link-list, .pulse-list, .mini-list, .log-timeline { list-style: none; padding: 0; margin: 0; }
.link-list li, .pulse-list li, .mini-list li {
  padding: .55rem 0; border-bottom: 1px solid var(--line);
}
.link-list a, .mini-list a { color: var(--text); display: flex; gap: .55rem; align-items: baseline; }
.tag {
  font-family: var(--mono); font-size: .68rem; color: var(--amber); min-width: 4.2rem;
}
.pill-grid { display: flex; flex-wrap: wrap; gap: .5rem; }
.pill {
  padding: .55rem .9rem; border-radius: 999px;
  border: 1px solid var(--line); background: var(--bg-soft); color: var(--text);
}
.pill:hover { border-color: rgba(232,165,75,.4); }

.filter-bar {
  display: flex; flex-wrap: wrap; gap: .75rem; align-items: flex-start; margin-bottom: 1rem;
}
.filter-group { display: flex; flex-wrap: wrap; gap: .35rem; }
.filter-group button {
  border: 1px solid var(--line); background: transparent; color: var(--muted);
  border-radius: 999px; padding: .3rem .7rem; cursor: pointer; font: inherit; font-size: .82rem;
}
.filter-group button.on, .filter-group button:hover {
  color: var(--text); border-color: rgba(110,198,255,.4); background: rgba(110,198,255,.08);
}
.result-meta { color: var(--dim); font-family: var(--mono); font-size: .8rem; }
.card .title { color: var(--text); font-weight: 650; margin: .2rem 0 .35rem; display: block; }

.project-grid { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.project-panel .text-link { display: inline-block; margin-top: .8rem; }

.log-timeline { display: grid; gap: .8rem; }
.log-item {
  padding: 1rem 1.1rem; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--bg-elev);
}
.log-head { font-weight: 650; margin-bottom: .45rem; }
.log-body {
  margin: 0; white-space: pre-wrap; color: var(--muted);
  font-family: var(--mono); font-size: .8rem; line-height: 1.45;
}

.reader-head { padding: 1.4rem 1.5rem; margin-bottom: 1rem; }
.coord-rail { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1rem; }
.raw-ref { margin-top: .8rem; color: var(--dim); font-size: .82rem; }
.reader-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 1.2rem;
}
.prose {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1.55rem 2rem;
  overflow-wrap: anywhere;
}
.prose.wide { max-width: none; }
.prose h1, .prose h2, .prose h3 { line-height: 1.25; }
.prose h1 { font-size: 1.55rem; }
.prose h2 { font-size: 1.25rem; margin-top: 1.6rem; border-top: 1px solid var(--line); padding-top: 1rem; }
.prose p, .prose li { color: #cfd6e4; }
.prose code {
  font-family: var(--mono); font-size: .86em;
  background: rgba(255,255,255,.05); padding: .1rem .35rem; border-radius: 6px;
}
.prose pre {
  overflow: auto; padding: 1rem; border-radius: 12px;
  background: #07090e; border: 1px solid var(--line);
}
.prose pre code { background: none; padding: 0; }
.prose table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.prose th, .prose td { border: 1px solid var(--line); padding: .45rem .55rem; vertical-align: top; }
.prose th { background: rgba(255,255,255,.03); text-align: left; }
.prose blockquote {
  margin: 1rem 0; padding: .2rem 0 .2rem 1rem;
  border-left: 3px solid var(--amber); color: var(--muted);
}
.orbit {
  padding: 1rem 1.05rem;
  position: sticky; top: 5.2rem; align-self: start;
}
.orbit h2 { font-size: .95rem; margin: .2rem 0 .7rem; }
.meta-dl { margin: 0 0 1rem; display: grid; gap: .45rem; }
.meta-dl div { display: grid; grid-template-columns: 4.5rem 1fr; gap: .4rem; font-size: .82rem; }
.meta-dl dt { color: var(--dim); font-family: var(--mono); }
.meta-dl dd { margin: 0; color: var(--text); }
.text-link { color: var(--amber); }

.contract .prose { font-size: .98rem; }

@media (max-width: 900px) {
  .topbar { grid-template-columns: 1fr; gap: .7rem; }
  .topnav { justify-content: flex-start; }
  .top-actions { justify-content: stretch; }
  .search-wrap input { width: 100%; }
  .hero, .split, .reader-layout { grid-template-columns: 1fr; }
  .orbit { position: static; }
}