:root {
  color-scheme: dark;
  --bg: #0a0d13;
  --card: #141a24;
  --card-2: #1c2637;
  --text: #f6f0e8;
  --muted: #b8c0cf;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #ffcb77;
  --accent-2: #80d8ff;
  --accent-3: #b8ffdf;
  --danger: #ff9a9a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 15% 12%, rgba(255, 203, 119, 0.20), transparent 30%),
    radial-gradient(circle at 85% 0%, rgba(128, 216, 255, 0.18), transparent 28%),
    linear-gradient(135deg, #06080d, var(--bg));
  color: var(--text);
}
.shell { width: min(1320px, calc(100vw - 32px)); margin: 0 auto; padding: 32px 0 56px; }
.hero { display: flex; justify-content: space-between; gap: 24px; align-items: stretch; margin-bottom: 24px; }
.hero-card { position: relative; overflow: hidden; padding: clamp(24px, 4vw, 48px); }
.hero-card::after { content: ""; position: absolute; inset: auto -20% -60% 40%; height: 220px; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.14), transparent); transform: rotate(-8deg); }
.hero-copy, .hero-panel { position: relative; z-index: 1; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem; margin: 0 0 10px; }
h1 { font-family: Georgia, 'Times New Roman', serif; font-size: clamp(2.25rem, 5.8vw, 4.7rem); line-height: 0.94; margin: 0; letter-spacing: -0.06em; max-width: 760px; }
h2 { margin: 0 0 14px; }
.lede { max-width: 720px; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.35rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.hero-actions span { border: 1px solid var(--line); border-radius: 999px; padding: 9px 12px; color: var(--text); background: rgba(255,255,255,0.05); }
.hero-panel { min-width: 280px; display: grid; gap: 12px; align-content: start; }
.metric { background: rgba(6, 8, 13, 0.5); border: 1px solid var(--line); border-radius: 18px; padding: 16px; }
.metric strong, .metric span { display: block; }
.metric strong { color: var(--accent-3); word-break: break-word; }
.metric span { color: var(--muted); font-size: 0.86rem; margin-top: 4px; }
.card { background: linear-gradient(145deg, rgba(20, 26, 36, 0.96), rgba(14, 18, 27, 0.94)); border: 1px solid var(--line); border-radius: 28px; padding: 22px; box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28); backdrop-filter: blur(18px); }
.status { border: 1px solid var(--line); border-radius: 999px; padding: 10px 14px; color: var(--muted); white-space: nowrap; background: rgba(255,255,255,0.05); }
.grid { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 18px; align-items: start; }
.results { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr); gap: 18px; margin-top: 18px; }
.app-layout { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 20px; align-items: start; }
.app-sidebar { position: sticky; top: 20px; display: grid; gap: 10px; padding: 14px; border: 1px solid var(--line); border-radius: 24px; background: rgba(10, 13, 19, 0.72); backdrop-filter: blur(16px); }
.app-main { min-width: 0; }
.nav-item { width: 100%; text-align: left; color: var(--text); background: transparent; border: 1px solid transparent; }
.nav-item:hover, .nav-item.active { color: #07111f; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.muted-nav { margin-top: 18px; color: var(--muted); border-color: var(--line); }
.hidden { display: none !important; }
label { display: grid; gap: 8px; margin-bottom: 14px; color: var(--muted); }
input, textarea { width: 100%; background: #0c111a; color: var(--text); border: 1px solid var(--line); border-radius: 16px; padding: 12px 14px; font: inherit; }
textarea { resize: vertical; }
button { border: 0; border-radius: 16px; padding: 12px 16px; color: #07111f; background: linear-gradient(135deg, var(--accent), var(--accent-2)); font-weight: 800; cursor: pointer; }
button.secondary { background: var(--card-2); color: var(--text); border: 1px solid var(--line); }
button.ghost { background: transparent; color: var(--accent); padding: 6px 0; }
button.wide { width: 100%; }
button:disabled { opacity: 0.55; cursor: wait; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.between { justify-content: space-between; }
.two { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 14px; }
.muted { color: var(--muted); }
.error { color: var(--danger); min-height: 1.3em; }
.folder-list { display: grid; gap: 8px; margin: 16px 0; max-height: 310px; overflow: auto; }
.check, .folder-item { display: flex; grid-template-columns: none; align-items: center; gap: 10px; margin: 0; color: var(--text); }
.check input, .folder-item input { width: auto; }
hr { border: 0; border-top: 1px solid var(--line); margin: 18px 0; }
pre { white-space: pre-wrap; word-break: break-word; margin: 0; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: #e9edf8; }
.output { min-height: 360px; }
.source { padding: 14px 0; border-top: 1px solid var(--line); }
.source:first-child { border-top: 0; }
.source h3 { margin: 0 0 6px; font-size: 1rem; }
.source p { color: var(--muted); margin: 6px 0; }
.history { margin-top: 18px; }
.history button { margin: 4px 8px 4px 0; }
.explain { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 18px; }
.explain div, .user-row { border: 1px solid var(--line); border-radius: 18px; padding: 14px; background: rgba(255,255,255,0.04); }
.explain strong, .explain span { display: block; }
.explain span { color: var(--muted); font-size: 0.9rem; margin-top: 4px; }
.settings { margin-top: 18px; }
.settings-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; align-items: end; margin: 18px 0 26px; }
.setting-check { min-height: 48px; align-items: center; }
.user-list { display: grid; gap: 10px; margin-top: 16px; }
.user-row { display: grid; grid-template-columns: minmax(0, 1fr) 180px 180px auto; gap: 10px; align-items: center; }
.user-row input { margin: 0; }
@media (max-width: 900px) {
  .hero, .grid, .results, .two, .explain, .settings-grid, .user-row, .app-layout { display: block; }
  .sidebar, .composer, .output { margin-bottom: 16px; }
  .status { margin-top: 18px; display: inline-block; }
  .hero-panel { margin-top: 22px; }
  .app-sidebar { position: static; grid-template-columns: 1fr 1fr 1fr; margin-bottom: 16px; }
}