:root{--bg: #0b0e14;--bg-soft: #12161f;--bg-card: #161b26;--border: #232a38;--text: #e6e9f0;--text-dim: #8a93a6;--accent: #7c6cf0;--accent-2: #4cc2ff;--user-bubble: #2b3348;--ok: #3ecf8e;--err: #ff6b6b;--radius: 14px;--mono: "Cascadia Code", "JetBrains Mono", Consolas, monospace}*{box-sizing:border-box}html,body{margin:0;height:100%;background:radial-gradient(1200px 600px at 80% -10%,rgba(124,108,240,.12),transparent 60%),radial-gradient(900px 500px at 0% 110%,rgba(76,194,255,.08),transparent 60%),var(--bg);color:var(--text);font-family:-apple-system,Segoe UI,Microsoft YaHei,PingFang SC,sans-serif;overflow:hidden}#app{display:flex;flex-direction:column;height:100%}header{display:flex;align-items:center;gap:12px;padding:12px 18px;border-bottom:1px solid var(--border);background:#0b0e14b3;backdrop-filter:blur(10px);z-index:5}.logo{font-family:var(--mono);font-size:22px;font-weight:700;background:linear-gradient(135deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}.logo-sub{font-size:12px;color:var(--text-dim);margin-right:auto}#model-badge{font-family:var(--mono);font-size:12px;color:var(--accent-2);background:#4cc2ff14;border:1px solid rgba(76,194,255,.2);padding:3px 10px;border-radius:999px;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hbtn{background:var(--bg-card);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:6px 14px;font-size:13px;cursor:pointer;transition:all .15s}.hbtn:hover{border-color:var(--accent);color:#fff}.hbtn.primary{background:linear-gradient(135deg,var(--accent),#5a8bf5);border:none;color:#fff}#chat-list{flex:1;overflow-y:auto;padding:24px 18px 8px;scroll-behavior:smooth}#chat-list::-webkit-scrollbar{width:8px}#chat-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.bubble{display:flex;gap:10px;margin-bottom:18px;max-width:900px}.avatar{flex:none;width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700}.avatar.me{background:var(--user-bubble);color:#cdd6ea}.avatar.ai{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-family:var(--mono)}.bubble-body{padding:10px 14px;border-radius:var(--radius);background:var(--bg-card);border:1px solid var(--border);line-height:1.7;font-size:14.5px;min-width:0;overflow-wrap:anywhere}.bubble.user .bubble-body{background:var(--user-bubble)}.bubble.error .bubble-body{border-color:#ff6b6b66;background:#ff6b6b0f}.cursor{display:inline-block;width:8px;height:16px;background:var(--accent-2);vertical-align:-2px;margin-left:2px;animation:blink 1s steps(2) infinite}@keyframes blink{50%{opacity:0}}.md-p{margin:.35em 0}.md-h{margin:.8em 0 .4em}.md-list{margin:.4em 0;padding-left:1.4em}.md-code{font-family:var(--mono);font-size:.9em;background:#7c6cf01f;padding:1px 6px;border-radius:5px;color:#c5b8ff}.md-pre{position:relative;margin:.6em 0;padding:26px 12px 10px;background:#0d1117;border:1px solid var(--border);border-radius:10px;overflow-x:auto}.md-pre code{font-family:var(--mono);font-size:12.5px;line-height:1.6;color:#d6e2f0}.md-pre-lang{position:absolute;top:4px;left:12px;font-family:var(--mono);font-size:10.5px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px}.md-space{height:.5em}a{color:var(--accent-2)}.tool-card{max-width:760px;margin:0 0 14px 44px;background:#7c6cf00d;border:1px solid rgba(124,108,240,.22);border-radius:10px;font-size:13px}.tool-card summary{display:flex;align-items:center;gap:8px;padding:8px 12px;cursor:pointer;list-style:none;user-select:none}.tool-card summary::-webkit-details-marker{display:none}.tool-icon{opacity:.8}.tool-name{font-family:var(--mono);font-weight:600;color:#c5b8ff}.tool-state{margin-left:auto;font-size:11px;padding:1px 8px;border-radius:999px}.tool-state.running{color:var(--accent-2);background:#4cc2ff1f;animation:pulse 1.2s infinite}.tool-state.done{color:var(--ok);background:#3ecf8e1f}.tool-state.failed{color:var(--err);background:#ff6b6b1f}@keyframes pulse{50%{opacity:.5}}.tool-args,.tool-result{margin:0;padding:10px 12px;border-top:1px solid var(--border);font-family:var(--mono);font-size:12px;color:var(--text-dim);max-height:220px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere}#composer-wrap{padding:12px 18px 16px;background:linear-gradient(transparent,var(--bg) 30%)}#status-bar{height:18px;font-size:12px;color:var(--text-dim);padding:0 6px}#status-bar.active:before{content:"● ";color:var(--accent-2);animation:pulse 1s infinite}#composer{display:flex;gap:10px;align-items:flex-end;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:10px 10px 10px 14px;transition:border-color .15s}#composer:focus-within{border-color:var(--accent)}#composer-input{flex:1;background:none;border:none;outline:none;resize:none;color:var(--text);font-size:14.5px;line-height:1.6;font-family:inherit;max-height:180px}.send-btn{flex:none;width:38px;height:38px;border-radius:10px;border:none;background:linear-gradient(135deg,var(--accent),#5a8bf5);color:#fff;font-size:16px;cursor:pointer;transition:transform .1s,opacity .15s}.send-btn:hover{transform:translateY(-1px)}.send-btn:disabled{opacity:.4;cursor:not-allowed}#btn-stop{display:none;flex:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--err);background:#ff6b6b1a;color:var(--err);font-size:14px;cursor:pointer}#drawer-mask{position:fixed;inset:0;background:#00000080;opacity:0;pointer-events:none;transition:opacity .2s;z-index:9}#drawer-mask.open{opacity:1;pointer-events:auto}#drawer{position:fixed;top:0;right:-420px;width:400px;max-width:95vw;height:100%;background:var(--bg-soft);border-left:1px solid var(--border);z-index:10;transition:right .25s ease;display:flex;flex-direction:column}#drawer.open{right:0}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}.drawer-head h2{margin:0;font-size:16px}.drawer-body{flex:1;overflow-y:auto;padding:18px 20px}.field{margin-bottom:16px}.field label{display:block;font-size:12.5px;color:var(--text-dim);margin-bottom:6px}.field input,.field select{width:100%;padding:9px 12px;border-radius:9px;background:var(--bg-card);border:1px solid var(--border);color:var(--text);font-size:13.5px;outline:none;font-family:inherit}.field input:focus,.field select:focus{border-color:var(--accent)}.field .hint{font-size:11.5px;color:var(--text-dim);margin-top:5px;line-height:1.5}.privacy{margin-top:20px;padding:12px;border-radius:10px;background:#3ecf8e0f;border:1px solid rgba(62,207,142,.2);font-size:12px;color:var(--text-dim);line-height:1.7}#welcome{max-width:640px;margin:8vh auto 0;text-align:center;padding:0 20px}#welcome .big{font-family:var(--mono);font-size:52px;font-weight:800;background:linear-gradient(135deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}#welcome h1{font-size:22px;margin:10px 0 6px}#welcome p{color:var(--text-dim);font-size:14px;line-height:1.8;margin:0 0 24px}#welcome .chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.chip{padding:8px 16px;border-radius:999px;font-size:13px;cursor:pointer;background:var(--bg-card);border:1px solid var(--border);color:var(--text);transition:all .15s}.chip:hover{border-color:var(--accent);transform:translateY(-1px)}@media(max-width:640px){.bubble{max-width:100%}.tool-card{margin-left:12px}}