:root {
  --bg: #0b0d11;
  --bg-2: #10141b;
  --panel: rgba(18, 23, 31, 0.92);
  --panel-2: rgba(14, 18, 25, 0.98);
  --border: #232b36;
  --border-2: #334152;
  --text: #e7edf6;
  --muted: #9eabbe;
  --soft: #c8d1dc;
  --accent: #7bd1ff;
  --accent-2: #7affc1;
  --danger-bg: rgba(164, 34, 55, 0.18);
  --success-bg: rgba(24, 113, 78, 0.22);
  --replace-bg: rgba(183, 137, 16, 0.22);
  --shadow: 0 14px 38px rgba(0, 0, 0, 0.28);
  --radius: 18px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: Inter, ui-sans-serif, system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(123, 209, 255, 0.09), transparent 28%),
    radial-gradient(circle at top right, rgba(122, 255, 193, 0.07), transparent 20%),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select { font: inherit; }
.shell { max-width: 1320px; margin: 0 auto; padding: 22px; }
.chrome {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(11, 13, 17, 0.82);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.topbar {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
}
.brand-wrap { display: flex; align-items: center; gap: 16px; }
.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(123,209,255,0.18), rgba(122,255,193,0.1));
  border: 1px solid rgba(123,209,255,0.18);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.03);
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 700;
}
.brand-text h1 { margin: 0; font-size: 1.2rem; letter-spacing: .04em; }
.brand-text p { margin: 2px 0 0; color: var(--muted); font-size: .92rem; }
.topnav { display: flex; gap: 16px; align-items: center; color: var(--muted); }
.topnav .pill {
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  color: var(--soft);
  border-radius: 999px;
  padding: 8px 12px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr .9fr;
  gap: 18px;
  margin-top: 18px;
}
.card {
  background: linear-gradient(180deg, rgba(23, 28, 37, 0.96), rgba(14, 18, 25, 0.96));
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-card { padding: 26px; }
.hero-card h2 { font-size: 1.8rem; margin: 0 0 10px; }
.hero-card p { color: var(--soft); line-height: 1.6; margin: 0 0 12px; }
.hero-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 18px; }
.stat {
  padding: 14px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 14px;
}
.stat strong { display: block; font-size: 1rem; }
.stat span { color: var(--muted); font-size: .88rem; }
.feed-toolbar {
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  color: var(--muted);
}
.feed { display: grid; gap: 16px; margin-top: 14px; }
.feed-item {
  display: grid;
  grid-template-columns: 1.5fr .8fr;
  gap: 20px;
  padding: 18px;
  transition: transform .15s ease, border-color .15s ease;
}
.feed-item:hover { transform: translateY(-1px); border-color: rgba(123,209,255,.24); }
.feed-left h3 { margin: 10px 0 8px; font-size: 1.15rem; }
.feed-left p { color: var(--soft); line-height: 1.6; margin: 0; }
.feed-top { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.feed-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  align-content: start;
}
.metric {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 14px;
  padding: 12px;
}
.metric .label { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; }
.metric .value { margin-top: 6px; font-family: var(--mono); font-size: .98rem; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  color: var(--soft);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: .82rem;
}
.badge .dot { width: 8px; height: 8px; border-radius: 999px; background: var(--accent-2); box-shadow: 0 0 0 4px rgba(122,255,193,.08); }
.empty, .loading { padding: 24px; color: var(--muted); }
.story-shell { max-width: 1500px; }
.story-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(320px, .75fr);
  gap: 18px;
  align-items: start;
}
.story-main,
.story-side,
.story-summary { padding: 20px; }
.story-side,
.story-summary { position: sticky; top: 86px; }
.story-summary { margin-bottom: 18px; }
.story-head h2 { margin: 0 0 6px; font-size: 1.55rem; }
.story-subline { color: var(--muted); display: flex; gap: 10px; flex-wrap: wrap; }
.toolbar {
  margin: 18px 0 10px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.segmented {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  border-radius: 14px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
}
.segmented button,
.toggle button {
  border: 0;
  background: transparent;
  color: var(--soft);
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
}
.segmented button.active,
.toggle button.active {
  background: rgba(123,209,255,.14);
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(123,209,255,.18);
}
.toggle { display: inline-flex; gap: 6px; padding: 6px; border-radius: 14px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.06); }
.text-pane {
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(10,12,16,.88), rgba(16,20,27,.88));
  overflow: hidden;
}
.text-pane .pane-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  color: var(--muted);
  border-bottom: 1px solid rgba(255,255,255,.06);
  font-size: .86rem;
}
.text-body {
  padding: 18px 22px 22px;
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.7;
  letter-spacing: .01em;
  color: var(--text);
}
.prose {
  max-width: 72ch;
  white-space: normal;
  word-break: normal;
}
.prose p,
.prose blockquote,
.prose h3 {
  margin: 0 0 1.15em;
}
.prose h3 {
  color: var(--accent-2);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.prose blockquote {
  border-left: 2px solid rgba(123,209,255,.4);
  margin-left: 0;
  padding-left: 14px;
  color: #d2e6ff;
}
.prose code.inline {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 6px;
  padding: 2px 4px;
}
.diff-shell { display: grid; grid-template-columns: 18px minmax(0, 1fr); gap: 16px; }
.minimap {
  display: grid;
  align-content: start;
  gap: 4px;
  padding-top: 3px;
}
.minimap span {
  display: block;
  width: 100%;
  border-radius: 999px;
  background: rgba(255,255,255,.07);
}
.minimap span[data-level="1"] { background: rgba(183, 137, 16, 0.36); }
.minimap span[data-level="2"] { background: rgba(164, 34, 55, 0.42); }
.minimap span[data-level="3"] { background: rgba(123,209,255,0.38); }
.inline-diff {
  max-width: 86ch;
  line-height: 1.85;
}
.diff-del,
.diff-add,
.diff-replace,
.diff-eq {
  display: inline;
  padding: 1px 2px;
  border-radius: 4px;
}
.diff-del { background: var(--danger-bg); text-decoration: line-through; text-decoration-thickness: 1px; }
.diff-add { background: var(--success-bg); }
.diff-replace { background: var(--replace-bg); }
.diff-eq { color: var(--text); }
.side-by-side {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  font-family: var(--mono);
  font-size: 14px;
}
.side-col {
  min-width: 0;
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255,255,255,.02);
}
.side-head {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: .74rem;
}
.diff-table { width: 100%; border-collapse: collapse; }
.diff-table td {
  vertical-align: top;
  padding: 7px 10px;
  border-bottom: 1px solid rgba(255,255,255,.05);
}
.diff-table .ln { width: 48px; color: #6f7d90; text-align: right; user-select: none; }
.diff-table tr[data-type="delete"] td { background: rgba(164, 34, 55, 0.10); }
.diff-table tr[data-type="insert"] td { background: rgba(24, 113, 78, 0.11); }
.diff-table tr[data-type="replace"] td { background: rgba(183, 137, 16, 0.10); }
.slider-wrap { display: grid; gap: 14px; max-width: 86ch; }
.slider-meta { display: flex; justify-content: space-between; color: var(--muted); font-size: .88rem; }
input[type="range"] { width: 100%; }
.audit-list { display: grid; gap: 10px; max-height: 65vh; overflow: auto; }
.audit-item {
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.06);
  background: rgba(255,255,255,.03);
}
.audit-item h4 { margin: 0 0 8px; font-size: .95rem; }
.audit-item p { margin: 0; color: var(--soft); line-height: 1.55; }
.muted { color: var(--muted); }
.kv { display: grid; gap: 12px; }
.kv .row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 14px;
  align-items: start;
}
.kv .label { color: var(--muted); text-transform: uppercase; letter-spacing: .05em; font-size: .75rem; }
.kv .value { color: var(--text); word-break: break-word; }
.notice {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(183, 137, 16, 0.12);
  color: #f2d28a;
  border: 1px solid rgba(183, 137, 16, 0.18);
}
.footer-note { margin-top: 28px; color: var(--muted); font-size: .88rem; }
@media (max-width: 1100px) {
  .hero-grid,
  .story-layout,
  .feed-item,
  .side-by-side { grid-template-columns: 1fr; }
  .feed-metrics { grid-template-columns: repeat(4, 1fr); }
  .story-side,
  .story-summary { position: static; }
}
@media (max-width: 720px) {
  .shell { padding: 16px; }
  .hero-list,
  .feed-metrics { grid-template-columns: repeat(2, 1fr); }
  .topbar,
  .toolbar,
  .feed-toolbar { align-items: start; }
  .kv .row { grid-template-columns: 1fr; gap: 6px; }
}