:root{--bg: #fafafa;--fg: #0f172a;--muted: #6b7280;--border: #e5e7eb;--card: #fff;--chat-bg: #fff;--content-bg: #fafafa;--orange: #f38020}[data-theme=dark]{--bg: #0a0a0a;--fg: #f5f5f5;--muted: #c4c4c4;--border: #525252;--card: #1f1f1f;--chat-bg: #0a0a0a;--content-bg: #0a0a0a;--orange: #ff8c42}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;background:var(--bg);color:var(--fg)}header{position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffffeb;border-bottom:1px solid var(--border)}.container{max-width:1200px;margin:0 auto;padding:16px}.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap}h1{margin:0;font-size:22px}.muted{color:var(--muted);font-size:12px}.tabs{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}.tab{padding:8px 12px;border:1px solid var(--border);border-radius:10px;background:var(--card);cursor:pointer;color:var(--fg)}.tab.active{background:var(--orange);color:#fff;border-color:var(--orange)}.input{width:280px;padding:10px 12px;border:1px solid var(--border);border-radius:12px;background:var(--card);font:inherit;color:var(--fg)}.cards{display:grid;gap:16px}@media (min-width: 720px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width: 1040px){.cards{grid-template-columns:repeat(3,minmax(0,1fr))}}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;box-shadow:0 1px 2px #0000000d}.card:hover{box-shadow:0 6px 16px #0000000f}.chip{font-size:12px;color:var(--muted)}.title{margin:4px 0 0;font-size:18px;font-weight:600;line-height:1.25}.subtitle{font-size:14px;color:var(--muted);margin-top:4px}.notes{font-size:14px;color:var(--fg);margin-top:8px;opacity:.85}.linkbtn{display:inline-flex;gap:6px;padding:8px 12px;border:1px solid var(--border);border-radius:12px;margin-top:10px;text-decoration:none;color:inherit}.linkbtn:hover{background:var(--border)}.section{margin-top:12px}.section h2{margin:0 0 8px;font-size:20px}.group{border:1px solid var(--border);border-radius:14px;background:var(--card);overflow:hidden;margin-bottom:12px}.group h3{margin:0;padding:12px 16px;background:var(--bg);border-bottom:1px solid var(--border);font-size:16px}.group .body{padding:12px 16px}.list{display:grid;gap:8px;padding:0;list-style:none}.list li{padding:8px 10px;border:1px solid var(--border);border-radius:10px;background:var(--card)}.footer{margin-top:24px;font-size:12px;color:var(--muted)}