:root{--bg:#f4f6f5;--ink:#12181b;--muted:#5b676d;--line:#e2e8e6;--card:#ffffff;--accent:#0f6b4c;--accent-ink:#f4fff9;--accent-soft:#e7f5ee;--warn:#9a3b12;--warn-bg:#fff4ec;--shadow:0 1px 2px rgba(16,24,27,0.04),0 8px 24px rgba(16,24,27,0.04);color-scheme:light;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}body,html{margin:0;background:var(--bg);color:var(--ink)}a{color:inherit}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.wrap{width:min(1120px,calc(100% - 48px));margin:0 auto}.nav{display:flex;justify-content:space-between;align-items:center;padding:18px 0}.brand{font-weight:700;text-decoration:none;letter-spacing:-.04em;font-size:18px}.nav-links{display:flex;gap:18px;font-size:14px;color:var(--muted)}.nav-links a{text-decoration:none}.nav-links a:hover{color:var(--ink)}.btn,.btn-ghost{border-radius:10px;padding:10px 14px;text-decoration:none;border:1px solid transparent;font-size:14px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:8px;line-height:1.2}.btn{background:var(--ink);color:white}.btn.accent{background:var(--accent);color:var(--accent-ink)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-ghost{border-color:var(--line);background:white;color:var(--ink)}.btn-ghost:hover,.btn:hover{filter:brightness(1.03)}.kicker{letter-spacing:.12em;text-transform:uppercase;font-size:11px;color:var(--accent);margin:0 0 8px}.kicker,h1{font-weight:700}h1{font-size:clamp(36px,5vw,56px);line-height:1.05;letter-spacing:-.045em;margin:0 0 12px}h2{font-size:18px;letter-spacing:-.03em}h2,h3{margin:0 0 8px}h3{font-size:16px;letter-spacing:-.02em}.lede{font-size:17px;color:var(--muted);max-width:40rem;line-height:1.55;margin:0 0 20px}.hero{display:grid;grid-template-columns:1.05fr .95fr;grid-gap:40px;gap:40px;padding:48px 0 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8px 8px 0}.source-pill{background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:2px 8px;font-size:11px;font-weight:700;letter-spacing:.02em}.note-delete{white-space:nowrap}.note-actions{gap:6px;align-items:stretch}.note-actions,.note-edit{display:flex;flex-direction:column}.note-edit{gap:8px;margin-top:8px}.note-edit textarea{min-height:88px}.outline-bar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;position:-webkit-sticky;position:sticky;bottom:12px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 14px;box-shadow:var(--shadow)}.meta{font-size:13px;color:var(--muted)}.grid-3{grid-template-columns:repeat(3,1fr);grid-gap:16px}.grid-2,.grid-3{display:grid;gap:16px}.grid-2{grid-template-columns:1.15fr .85fr;grid-gap:16px;align-items:start}.section{padding:28px 0 72px}.price{font-size:32px;font-weight:700;letter-spacing:-.04em}.price span{font-size:14px;color:var(--muted);font-weight:500}.app-shell{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:100vh}.side{background:var(--card);border-right:1px solid var(--line);padding:22px 16px;display:flex;flex-direction:column;gap:4px}.side a{display:flex;align-items:center;gap:10px;text-decoration:none;padding:9px 12px;border-radius:10px;color:var(--muted);font-size:14px;font-weight:550}.side a.active,.side a:hover{background:var(--accent-soft);color:var(--ink)}.side .side-foot{margin-top:auto;padding-top:16px}.app-main{padding:32px 40px 64px;max-width:920px}.page-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:22px}.page-head p{margin:6px 0 0;color:var(--muted);line-height:1.5;max-width:38rem}.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 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