:root{--bg:#0a0a12;--surface:#12121c;--surface-2:#1a1a28;--border:#26263a;--text:#eaeaf2;--text-dim:#9a9ab0;--accent:#7c5cff;--accent-2:#22d3ee;--danger:#ff5c73;--ok:#34d399;--radius:12px}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.chat-shell{border-left:1px solid var(--border);border-right:1px solid var(--border);flex-direction:column;max-width:880px;height:100dvh;margin:0 auto;display:flex}.chat-header{border-bottom:1px solid var(--border);background:#ffffff05;justify-content:space-between;align-items:center;gap:16px;padding:16px 20px;display:flex}.chat-header h1{letter-spacing:.2px;margin:0;font-size:18px}.chat-header h1 span{background:linear-gradient(90deg, var(--accent), var(--accent-2));color:#0000;-webkit-background-clip:text;background-clip:text}.chat-subtitle{color:var(--text-dim);margin:2px 0 0;font-size:12px}.status-bar{color:var(--text-dim);background:var(--surface);border:1px solid var(--border);white-space:nowrap;border-radius:999px;align-items:center;gap:8px;padding:5px 12px;font-size:12px;display:inline-flex}.status-bar-waking{color:var(--text);border-color:#7c5cff99}.status-detail{opacity:.7}.status-retry{background:var(--surface-2);border:1px solid var(--border);color:var(--text);cursor:pointer;border-radius:999px;padding:2px 10px;font-size:11px}.status-retry:hover{border-color:var(--accent)}.dot{border-radius:50%;flex:none;width:8px;height:8px}.dot-checking{background:var(--text-dim);animation:1.2s infinite pulse}.dot-ok{background:var(--ok);box-shadow:0 0 6px var(--ok)}.dot-waking{background:var(--accent);animation:1s infinite pulse}@keyframes pulse{50%{opacity:.4}}.chat-body{flex-direction:column;flex:1;gap:18px;padding:24px 20px;display:flex;overflow-y:auto}.chat-body::-webkit-scrollbar{width:8px}.chat-body::-webkit-scrollbar-thumb{background:var(--border);border-radius:999px}.starters{margin:8px 0 16px}.starters-hint{color:var(--text-dim);margin:0 0 10px;font-size:13px}.starters-grid{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px;display:grid}.starter-chip{background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:var(--radius);cursor:pointer;text-align:left;align-items:center;gap:8px;padding:12px 14px;font-size:14px;transition:border-color .15s,transform 50ms;display:flex}.starter-chip:hover{border-color:var(--accent)}.starter-chip:active{transform:translateY(1px)}.starter-icon{color:var(--accent-2);flex:none}.message{flex-direction:column;gap:6px;display:flex}.message-user{align-items:flex-end}.message-user .bubble{background:linear-gradient(135deg,#2a2150,#1c2440);border:1px solid #7c5cff73}.message-assistant{align-items:flex-start}.message-label{text-transform:uppercase;letter-spacing:.6px;color:var(--text-dim);font-size:11px}.bubble{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);max-width:82%;padding:12px 16px;font-size:14px;line-height:1.55}.bubble-text{white-space:pre-wrap;overflow-wrap:anywhere;margin:0}.bubble-reasoning{color:var(--text-dim);border-left:2px solid var(--border);margin:0;padding-left:10px;font-size:12px;font-style:italic}.step-divider{border:none;border-top:1px dashed var(--border);margin:8px 0}.typing-caret{background:var(--accent);border-radius:2px;width:7px;height:16px;margin-top:2px;animation:.9s infinite blink;display:inline-block}@keyframes blink{50%{opacity:0}}.tool-card{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);margin:6px 0;padding:8px 12px;font-size:13px}.tool-card-pending{border-color:#7c5cff8c}.tool-card-error{border-color:#ff5c7399}.tool-card-head{color:var(--text);align-items:center;gap:8px;display:flex}.tool-icon{color:var(--accent-2);flex:none;display:inline-flex}.tool-spinner{color:var(--accent);flex:none;display:inline-flex}.icon-spin{animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.tool-check{color:var(--ok);flex:none;display:inline-flex}.tool-name{font-weight:600}.tool-args{color:var(--text-dim);text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.tool-output{white-space:pre-wrap;overflow-wrap:anywhere;background:#00000040;border-radius:8px;max-height:180px;margin:8px 0 0;padding:8px 10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;overflow-y:auto}.tool-error{color:var(--danger);margin-top:8px;font-size:12px}.chat-error{border-radius:var(--radius);background:#ff5c731a;border:1px solid #ff5c7373;flex-direction:column;gap:4px;padding:12px 14px;font-size:13px;display:flex}.chat-error strong{color:var(--danger)}.chat-error-hint{color:var(--text-dim);margin:4px 0 0;font-size:12px}.chat-input-bar{border-top:1px solid var(--border);background:var(--surface);padding:14px 20px}.chat-input-bar form{gap:10px;display:flex}.chat-input-bar input{background:var(--surface-2);border:1px solid var(--border);color:var(--text);border-radius:var(--radius);outline:none;flex:1;padding:12px 14px;font-size:14px;transition:border-color .15s}.chat-input-bar input:focus{border-color:var(--accent)}.chat-input-bar input:disabled{opacity:.6}.send-button{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#fff;border-radius:var(--radius);cursor:pointer;border:none;align-items:center;gap:8px;padding:0 18px;font-size:14px;font-weight:600;transition:opacity .15s;display:inline-flex}.btn-icon{display:inline-flex}.btn-icon .icon-spin{color:inherit}.send-button:disabled{opacity:.4;cursor:not-allowed}.send-button.stop{background:var(--surface-2);border:1px solid var(--danger);color:var(--danger)}@media (max-width:640px){.chat-header{flex-direction:column;align-items:flex-start}.bubble{max-width:92%}}