:root {
  --bg: #090b12;
  --bg-soft: #111523;
  --bg-card: rgba(19, 24, 39, 0.92);
  --line: rgba(255,255,255,0.08);
  --line-strong: rgba(255,255,255,0.14);
  --text: #ecf2ff;
  --muted: #97a2bf;
  --accent: #7c9cff;
  --accent-2: #64e1c6;
  --warning: #f3b86f;
  --danger: #ff7b8a;
  --success: #74d99f;
  --shadow: 0 20px 40px rgba(0,0,0,0.35);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: radial-gradient(circle at top, #111731 0%, var(--bg) 52%); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
body { min-height: 100vh; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.app-shell { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }
.sidebar { border-right: 1px solid var(--line); padding: 28px 20px; background: rgba(7, 10, 18, 0.82); backdrop-filter: blur(12px); display:flex; flex-direction:column; }
.brand-kicker, .eyebrow, .tiny-label { color: var(--accent-2); text-transform: uppercase; letter-spacing: .12em; font-size: 11px; font-weight: 700; }
.brand h1 { margin: 10px 0 6px; font-size: 24px; line-height: 1.15; }
.brand p, .tiny-copy { margin: 0; color: var(--muted); font-size: 14px; }
.nav { display: grid; gap: 10px; margin-top: 28px; }
.nav-btn { width: 100%; text-align: left; border: 1px solid var(--line); background: rgba(255,255,255,0.03); color: var(--text); border-radius: 14px; padding: 13px 14px; cursor: pointer; font-size: 14px; }
.nav-btn:hover, .nav-btn.active { border-color: rgba(124,156,255,0.5); background: rgba(124,156,255,0.12); }
.sidebar-foot { margin-top: auto; padding-top: 22px; border-top: 1px solid var(--line); }
.main { padding: 28px; }
.topbar { display:flex; justify-content:space-between; gap:16px; align-items:flex-start; margin-bottom: 22px; }
.topbar h2 { margin: 6px 0 0; font-size: 32px; }
.topbar-meta { display:flex; gap:10px; flex-wrap:wrap; }
.status-pill { border:1px solid var(--line-strong); background: rgba(255,255,255,0.04); border-radius:999px; padding:10px 14px; font-size:13px; color:var(--text); }
.status-pill.muted { color: var(--muted); }
.view { display:none; }
.view.active { display:block; }
.grid { display:grid; gap:16px; }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.card { background: var(--bg-card); border:1px solid var(--line); border-radius: 22px; padding: 18px; box-shadow: var(--shadow); }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { color: var(--muted); line-height: 1.55; }
.stat { font-size: 34px; font-weight: 700; margin-top: 8px; }
.stat-label { color: var(--muted); font-size: 13px; margin-top: 4px; }
.list { display:grid; gap:10px; }
.list-item { padding: 12px 14px; border-radius: 14px; background: rgba(255,255,255,0.03); border:1px solid var(--line); }
.badge { display:inline-flex; align-items:center; gap:6px; border-radius:999px; padding:6px 10px; font-size:12px; font-weight:600; }
.badge.done { background: rgba(116,217,159,0.16); color: var(--success); }
.badge.active, .badge.in_progress { background: rgba(124,156,255,0.16); color: var(--accent); }
.badge.todo, .badge.pending { background: rgba(243,184,111,0.15); color: var(--warning); }
.badge.confirmed { background: rgba(116,217,159,0.16); color: var(--success); }
.badge.working, .badge.research { background: rgba(124,156,255,0.16); color: var(--accent); }
.badge.archive { background: rgba(255,255,255,0.1); color: var(--muted); }
.phase { display:grid; gap:14px; }
.phase-head { display:flex; justify-content:space-between; gap:10px; align-items:center; }
.progress { height: 10px; background: rgba(255,255,255,0.06); border-radius: 999px; overflow: hidden; }
.progress > span { display:block; height:100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.kv { display:grid; gap:4px; }
.kv-label { font-size:12px; text-transform:uppercase; letter-spacing:.08em; color:var(--muted); }
.kv-value { font-size:14px; color:var(--text); }
.table { width:100%; border-collapse: collapse; }
.table th, .table td { text-align:left; padding: 12px 10px; border-bottom:1px solid var(--line); vertical-align:top; }
.table th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.filters { display:flex; gap:10px; flex-wrap:wrap; margin-bottom: 14px; }
.filter-chip { border:1px solid var(--line); background: rgba(255,255,255,0.03); color:var(--text); border-radius:999px; padding:8px 12px; cursor:pointer; font-size:13px; }
.filter-chip.active { border-color: rgba(124,156,255,0.6); background: rgba(124,156,255,0.12); }
.doc-layout { display:grid; grid-template-columns: 320px 1fr; gap:16px; }
.doc-list { max-height: calc(100vh - 210px); overflow:auto; }
.doc-filters { margin-bottom: 14px; }
.doc-group { display:grid; gap:10px; margin-bottom: 14px; }
.doc-group-title { color: var(--accent-2); text-transform: uppercase; letter-spacing: .1em; font-size: 11px; font-weight: 700; margin-top: 4px; }
.doc-item { padding: 12px 14px; border-radius: 14px; border:1px solid var(--line); background: rgba(255,255,255,0.03); cursor:pointer; }
.doc-item.active { border-color: rgba(124,156,255,0.5); background: rgba(124,156,255,0.12); }
.doc-item .path { color: var(--muted); font-size: 12px; margin-top: 4px; }
.doc-reader { min-height: 70vh; }
.doc-reader .reader-head { display:flex; justify-content:space-between; gap:12px; margin-bottom:16px; }
.doc-reader .markdown { color: var(--text); line-height: 1.7; }
.doc-reader .markdown h1, .doc-reader .markdown h2, .doc-reader .markdown h3 { margin-top: 1.4em; }
.doc-reader .markdown p, .doc-reader .markdown li { color: #d9e2ff; }
.doc-reader .markdown ul, .doc-reader .markdown ol { padding-left: 1.2rem; }
.doc-reader .markdown code { background: rgba(255,255,255,0.07); padding: 2px 6px; border-radius: 6px; }
.doc-reader .markdown pre { background: #0d111b; padding: 14px; border-radius: 14px; overflow:auto; border:1px solid var(--line); }
.search { width:100%; border:1px solid var(--line); background: rgba(255,255,255,0.03); color: var(--text); border-radius: 14px; padding: 12px 14px; margin-bottom: 12px; }
.empty { color: var(--muted); padding: 18px 0; }
@media (max-width: 1100px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { border-right:none; border-bottom:1px solid var(--line); }
  .grid.cols-4, .grid.cols-3, .grid.cols-2, .doc-layout { grid-template-columns: 1fr; }
}