:root{--bg:#f6f7f9;--panel:#ffffff;--panel-2:#f0f2f5;--text:#16181d;--muted:#6b7280;--border:#e4e7ec;--accent:#4f46e5;--accent-soft:#eef2ff;--user-bubble:#4f46e5;--user-text:#ffffff;--ai-bubble:#ffffff;--ok:#0b8457;--radius:14px;--shadow:0 1px 2px rgba(16,24,40,0.06),0 1px 3px rgba(16,24,40,0.08)}@media (prefers-color-scheme:dark){:root{--bg:#0f1115;--panel:#171a21;--panel-2:#1f232c;--text:#e9eaee;--muted:#9aa1ad;--border:#2a2f3a;--accent:#7c74ff;--accent-soft:#20223a;--user-bubble:#6d64f0;--user-text:#ffffff;--ai-bubble:#1f232c;--ok:#35c491}}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji;-webkit-font-smoothing:antialiased;line-height:1.5}.app{max-width:760px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);padding:12px 16px;display:flex;align-items:center;gap:14px}.brand{font-weight:700;letter-spacing:-.01em}.brand small{display:block;font-weight:400;font-size:11px;color:var(--muted)}.nav{margin-left:auto;display:flex;gap:4px}.nav a{color:var(--muted);text-decoration:none;font-size:14px;padding:7px 12px;border-radius:999px;white-space:nowrap}@media (max-width:480px){.topbar{gap:8px;padding:10px 12px}.brand small{display:none}.nav{gap:2px}.nav a{font-size:13px;padding:6px 9px}.content{padding:12px}.msg{max-width:92%}}.bubble code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9em;background:var(--panel-2);padding:1px 5px;border-radius:5px}.bubble a{color:inherit;text-decoration:underline;word-break:break-all}.bubble-img{display:block;max-width:100%;max-height:320px;border-radius:10px;object-fit:contain}.bubble-img:not(:last-child){margin-bottom:8px}.msg.user .bubble:has(.bubble-img){padding:6px}.nav a:hover{background:var(--panel-2);color:var(--text)}.nav a.active{background:var(--accent-soft);color:var(--accent);font-weight:600}.content{flex:1 1;padding:16px}.chat{display:flex;flex-direction:column;gap:14px;padding-bottom:8px}.banner{background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 25%,transparent);color:var(--text);border-radius:var(--radius);padding:12px 14px;font-size:14px}.banner a{color:var(--accent);font-weight:600}.msg{display:flex;flex-direction:column;max-width:85%}.msg.user{align-self:flex-end;align-items:flex-end}.msg.assistant{align-self:flex-start;align-items:flex-start}.bubble{padding:11px 14px;border-radius:var(--radius);white-space:pre-wrap;word-wrap:break-word;box-shadow:var(--shadow);font-size:15px}.msg.user .bubble{background:var(--user-bubble);color:var(--user-text);border-bottom-right-radius:5px}.msg.assistant .bubble{background:var(--ai-bubble);border:1px solid var(--border);border-bottom-left-radius:5px}.meta-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.tag{font-size:12px;padding:3px 9px;border-radius:999px;background:var(--panel-2);color:var(--muted);border:1px solid var(--border)}.tag.ok{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 35%,transparent);background:color-mix(in srgb,var(--ok) 12%,transparent)}.tag.warn{color:#b7791f}.action-card{margin-top:6px;border:1px dashed var(--border);border-radius:10px;padding:8px 12px;font-size:13px;background:var(--panel-2)}.composer{position:-webkit-sticky;position:sticky;bottom:0;background:color-mix(in srgb,var(--bg) 90%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid var(--border);padding:10px 16px 16px}.composer-inner{max-width:760px;margin:0 auto;display:flex;align-items:flex-end;gap:8px;background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:8px;box-shadow:var(--shadow)}textarea.input{flex:1 1;border:none;background:transparent;color:var(--text);resize:none;font:inherit;font-size:15px;max-height:160px;outline:none;padding:6px}.icon-btn,.send-btn{border:none;cursor:pointer;border-radius:12px;height:40px;display:inline-flex;align-items:center;justify-content:center}.icon-btn{width:40px;background:var(--panel-2);color:var(--text);font-size:18px}.send-btn{padding:0 16px;background:var(--accent);color:#fff;font-weight:600}.send-btn:disabled{opacity:.5;cursor:default}.attach-preview{max-width:760px;margin:0 auto 8px;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}.attach-preview img{height:44px;width:44px;object-fit:cover;border-radius:8px}.attach-preview img,.card{border:1px solid var(--border)}.card{background:var(--panel);border-radius:var(--radius);padding:16px;margin-bottom:14px;box-shadow:var(--shadow)}.card h2{margin:0 0 4px;font-size:17px}.card p.hint{margin:0 0 14px;color:var(--muted);font-size:13px}label.field{display:block;margin-bottom:14px;font-size:14px;font-weight:600}label.field span{display:block;font-weight:400;color:var(--muted);font-size:12px;margin-bottom:6px}input.text,select.text,textarea.text{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--panel-2);color:var(--text);font:inherit;font-size:14px;outline:none}input.text:focus,select.text:focus,textarea.text:focus{border-color:var(--accent)}textarea.text{min-height:80px;resize:vertical}.btn{border:none;cursor:pointer;border-radius:10px;padding:10px 16px;font-weight:600;font-size:14px;background:var(--accent);color:#fff}.btn.ghost{background:var(--panel-2);color:var(--text);border:1px solid var(--border)}.btn.sm{padding:6px 12px;font-size:13px}.row{display:flex;gap:8px;align-items:center}.memory-item{border-bottom:1px solid var(--border);padding:12px 0}.memory-item:last-child{border-bottom:none}.memory-item .k{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--accent);font-weight:700}.memory-item a{color:var(--accent);font-size:13px;word-break:break-all}.empty{color:var(--muted);text-align:center;padding:32px 0;font-size:14px}.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.chip{background:var(--accent-soft);border-radius:999px;padding:4px 10px;font-size:13px;display:inline-flex;gap:6px;align-items:center}.chip,.chip button{color:var(--accent)}.chip button{border:none;background:transparent;cursor:pointer;font-size:14px;line-height:1}.spinner{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--muted);animation:blink 1.2s infinite both}.spinner:nth-child(2){animation-delay:.2s}.spinner:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.2}40%{opacity:1}}