:root{--bg: #f7f7f9;--accent: #2563eb;--accent-ink: #ffffff;--panel: #ffffff;--ink: #0f172a;--ink-soft: #334155;--muted: #64748b;--border: #e2e8f0;--border-strong: #cbd5e1;--danger: #dc2626;--ok: #059669;--draft: #b45309;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px;--radius-xl: 24px;--shadow-xs: 0 1px 2px rgba(15, 23, 42, .04);--shadow-sm: 0 2px 6px -1px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);--shadow-md: 0 10px 28px -8px rgba(15, 23, 42, .15), 0 3px 8px -2px rgba(15, 23, 42, .06);--shadow-lg: 0 30px 60px -20px rgba(15, 23, 42, .22), 0 10px 20px -8px rgba(15, 23, 42, .1);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif;font-feature-settings:"cv11","ss01","ss02";-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--ink)}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);font-size:15px;line-height:1.55}a{color:var(--accent);text-decoration:none;transition:color .12s 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16px;font-size:14px;font-weight:500;cursor:pointer;font-family:inherit;transition:background .12s ease,border-color .12s ease,box-shadow .12s ease,transform 80ms ease,color .12s ease}button:hover{background:#f8fafc;border-color:var(--border-strong)}button:active{transform:translateY(1px)}button:disabled{opacity:.55;cursor:not-allowed;transform:none}button.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);box-shadow:var(--shadow-xs)}button.primary:hover{background:color-mix(in srgb,var(--accent) 88%,black);border-color:color-mix(in srgb,var(--accent) 88%,black);box-shadow:var(--shadow-sm)}button.danger{color:var(--danger);border-color:#fecaca;background:#fff}button.danger:hover{background:#fef2f2;border-color:#fca5a5}.error{color:var(--danger);font-size:13px;margin:8px 0;background:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius-sm);padding:8px 12px}.muted{color:var(--muted);font-size:13px}.list{list-style:none;margin:0;padding:0}.list>li{padding:14px 0;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px}.list>li:last-child{border-bottom:none}.pill{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:600}.pill.public{background:#d1fae5;color:var(--ok)}.pill.draft{background:#fef3c7;color:var(--draft)}.hero{text-align:center;padding:56px 24px 24px}.hero h1{font-size:clamp(32px,5vw,48px);line-height:1.08;letter-spacing:-.025em;margin:0 auto 16px;max-width:18ch;font-weight:700}.hero .lede{font-size:18px;color:var(--ink-soft);max-width:60ch;margin:0 auto 28px;line-height:1.55}.hero .cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:20px 0 12px}.step{padding:20px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-xs)}.step .num{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:999px;background:color-mix(in srgb,var(--accent) 12%,transparent);color:var(--accent);font-weight:600;font-size:13px;margin-bottom:10px}.step p{margin:0;color:var(--ink-soft);font-size:14px;line-height:1.5}.search-results{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}.search-results>li{padding:0;border:none}.search-hit{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--ink);transition:box-shadow .12s ease,border-color .12s ease,transform 80ms 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24px;text-align:center;position:sticky;top:0;z-index:5}.chat-header h1{margin:0;font-size:17px;font-weight:600;letter-spacing:-.01em}.chat-title{display:inline-flex;align-items:center;gap:12px}.chat-logo{height:32px;width:32px;object-fit:contain;border-radius:6px;box-shadow:var(--shadow-xs);background:#fff}.chat-header button{padding:6px 12px;font-size:12px}.chat-thread{flex:1;max-width:760px;width:100%;margin:0 auto;padding:32px 24px 24px;display:flex;flex-direction:column;gap:12px}@keyframes msg-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.msg{padding:12px 18px;border-radius:var(--radius-lg);max-width:78%;white-space:pre-wrap;line-height:1.55;font-size:15px;animation:msg-in .22s cubic-bezier(.2,.8,.2,1)}.msg.user{background:var(--accent);color:var(--accent-ink);align-self:flex-end;border-bottom-right-radius:6px;box-shadow:var(--shadow-sm)}.msg.assistant{background:var(--panel);border:1px solid var(--border);align-self:flex-start;border-bottom-left-radius:6px;box-shadow:var(--shadow-xs);color:var(--ink)}.msg.assistant p:first-child{margin-top:0}.msg.assistant p:last-child{margin-bottom:0}.tool-trace{font-size:11.5px;color:var(--muted);background:color-mix(in srgb,var(--muted) 9%,transparent);border-radius:999px;padding:5px 12px;margin-bottom:4px;max-width:85%;align-self:flex-start;font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace}.tool-trace.live{animation:pulse 1.6s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.55}50%{opacity:1}}.typing{align-self:flex-start;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-lg);border-bottom-left-radius:6px;padding:14px 18px;display:inline-flex;gap:5px;box-shadow:var(--shadow-xs);animation:msg-in .22s cubic-bezier(.2,.8,.2,1)}.typing span{width:6px;height:6px;background:var(--muted);border-radius:999px;animation:typing-bounce 1.2s ease-in-out infinite}.typing 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8px;line-height:1.5}.composer textarea:focus{outline:none;border:none;box-shadow:none}.composer button.primary{flex:0 0 auto;border-radius:999px;padding:9px 18px}