:root{--accent:#2563eb;--accent-hover:#1d4ed8;--green:#16a34a;--green-bg:#16a34a22;--yellow:#ca8a04;--yellow-bg:#ca8a0422;--red:#dc2626;--red-bg:#dc262622;--bg:#0f172a;--surface:#1e293b;--surface2:#334155;--surface3:#475569;--text:#f1f5f9;--text-muted:#94a3b8;--border:#475569;--mono:"JetBrains Mono", "Fira Code", "Consolas", monospace;--sans:-apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--radius:8px;--radius-sm:4px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--sans);background:var(--bg);color:var(--text);min-height:100vh;margin:0}#root{flex-direction:column;min-height:100vh;display:flex}button{cursor:pointer;font-family:var(--sans);border-radius:var(--radius-sm);border:none;padding:8px 16px;font-size:13px;font-weight:500;transition:background .15s,opacity .15s}button:disabled{opacity:.5;cursor:not-allowed}input,textarea,select{font-family:var(--sans);background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);outline:none;padding:8px 12px;font-size:13px;transition:border-color .15s}input:focus,textarea:focus,select:focus{border-color:var(--accent)}textarea{font-family:var(--mono);resize:vertical;font-size:12px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--surface3);border-radius:3px}.chat-markdown{color:var(--text);font-size:13px;line-height:1.6}.chat-markdown>:first-child{margin-top:0}.chat-markdown>:last-child{margin-bottom:0}.chat-markdown p{margin:0 0 10px}.chat-markdown h1{border-bottom:1px solid var(--border);margin:14px 0 6px;padding-bottom:4px;font-size:15px;font-weight:700}.chat-markdown h2{margin:12px 0 6px;font-size:14px;font-weight:700}.chat-markdown h3{color:var(--accent);margin:10px 0 4px;font-size:13px;font-weight:700}.chat-markdown h4{margin:8px 0 4px;font-size:13px;font-weight:600}.chat-markdown ul,.chat-markdown ol{margin:6px 0;padding-left:20px}.chat-markdown li{margin:3px 0}.chat-markdown li>p{margin:0}.chat-markdown li>ul,.chat-markdown li>ol{margin:2px 0}.chat-markdown code{font-family:var(--mono);background:var(--bg);color:#e2e8f0;border:1px solid var(--border);border-radius:4px;padding:2px 6px;font-size:11.5px}.chat-markdown pre{background:var(--bg);border:1px solid var(--border);border-radius:6px;margin:8px 0;padding:10px 12px;overflow-x:auto}.chat-markdown pre code{color:#e2e8f0;background:0 0;border:none;padding:0;font-size:11px;line-height:1.5}.chat-markdown .table-wrap{border:1px solid var(--border);border-radius:6px;margin:8px 0;overflow-x:auto}.chat-markdown table{border-collapse:collapse;width:100%;min-width:280px;font-size:12px}.chat-markdown th{background:var(--surface);text-align:left;border-bottom:2px solid var(--border);border-right:1px solid var(--border);letter-spacing:.2px;color:var(--text-muted);white-space:nowrap;padding:6px 10px;font-size:11px;font-weight:600}.chat-markdown th:last-child{border-right:none}.chat-markdown td{vertical-align:top;border-bottom:1px solid #ffffff0a;border-right:1px solid #ffffff0a;padding:5px 10px}.chat-markdown td:last-child{border-right:none}.chat-markdown tr:last-child td{border-bottom:none}.chat-markdown tr:hover td{background:#ffffff05}.chat-markdown a{color:var(--accent);text-decoration:none}.chat-markdown a:hover{text-decoration:underline}.chat-markdown blockquote{border-left:3px solid var(--accent);background:var(--bg);color:var(--text-muted);border-radius:0 6px 6px 0;margin:8px 0;padding:6px 12px;font-size:12px}.chat-markdown hr{border:none;border-top:1px solid var(--border);margin:10px 0}.chat-markdown strong{color:#f8fafc;font-weight:700}.chat-markdown em{font-style:italic}.chat-markdown img{border-radius:6px;max-width:100%;margin:6px 0}.chat-dot{background:var(--text-muted);border-radius:50%;width:5px;height:5px;animation:1.2s ease-in-out infinite chat-pulse;display:inline-block}@keyframes chat-pulse{0%,60%,to{opacity:.3;transform:scale(.8)}30%{opacity:1;transform:scale(1)}}.chat-spinner{border:2px solid #2563eb33;border-top-color:var(--accent);border-radius:50%;flex-shrink:0;width:12px;height:12px;animation:.8s linear infinite chat-spin;display:inline-block}@keyframes chat-spin{to{transform:rotate(360deg)}}