@import"https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&family=DM+Sans:wght@400;500;600;700&display=swap";:root{--bg-primary: #0a0a0b;--bg-secondary: #111113;--bg-tertiary: #18181b;--bg-hover: #1f1f23;--border: #27272a;--text-primary: #fafafa;--text-secondary: #a1a1aa;--text-muted: #71717a;--accent: #8b5cf6;--accent-dim: #7c3aed20;--accent-hover: #a78bfa;--success: #22c55e;--error: #ef4444;--user-bg: #1a1a2e;--radius: 12px;--radius-sm: 8px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:DM Sans,-apple-system,sans-serif;background:var(--bg-primary);color:var(--text-primary);height:100vh;overflow:hidden}#root{height:100vh}.auth-screen{height:100vh;display:flex;align-items:center;justify-content:center}.auth-card{text-align:center;padding:48px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:16px;min-width:360px}.auth-logo{font-size:48px;color:var(--accent);margin-bottom:16px}.auth-card h1{font-size:24px;font-weight:600;margin-bottom:8px}.auth-card p{color:var(--text-secondary);margin-bottom:24px}.auth-card input{width:100%;padding:12px 16px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:15px;margin-bottom:12px;outline:none}.auth-card input:focus{border-color:var(--accent)}.auth-card button{width:100%;padding:12px;background:var(--accent);border:none;border-radius:var(--radius-sm);color:#fff;font-size:15px;font-weight:600;cursor:pointer}.auth-card button:hover{background:var(--accent-hover)}.app{display:flex;height:100vh}.sidebar{width:280px;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;transition:transform .2s ease}.sidebar-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.sidebar-header h2{font-size:16px;font-weight:600;color:var(--accent)}.new-chat-btn{padding:6px 14px;background:var(--accent-dim);border:1px solid var(--accent);border-radius:6px;color:var(--accent);font-size:13px;font-weight:500;cursor:pointer}.new-chat-btn:hover{background:var(--accent);color:#fff}.conv-list{flex:1;overflow-y:auto;padding:8px}.conv-item{padding:12px 14px;border-radius:var(--radius-sm);cursor:pointer;margin-bottom:2px}.conv-item:hover{background:var(--bg-hover)}.conv-item.active{background:var(--accent-dim)}.conv-preview{font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conv-meta{font-size:11px;color:var(--text-muted);margin-top:4px}.main{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{height:52px;padding:0 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px;background:var(--bg-secondary)}.menu-btn{background:none;border:none;color:var(--text-secondary);font-size:20px;cursor:pointer;padding:4px 8px;border-radius:6px;display:none}.menu-btn:hover{background:var(--bg-hover)}.topbar-title{font-weight:600;font-size:15px}.topbar-status{margin-left:auto;display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-muted)}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--success)}.messages{flex:1;overflow-y:auto;padding:24px 0}.message{display:flex;gap:14px;padding:12px 24px;max-width:900px;margin:0 auto;width:100%}.message.user{background:var(--user-bg)}.message-avatar{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;flex-shrink:0}.message.user .message-avatar{background:var(--accent);color:#fff}.message.assistant .message-avatar{background:var(--bg-tertiary);border:1px solid var(--border);color:var(--accent)}.message-content{flex:1;min-width:0}.message-text{font-size:14.5px;line-height:1.65;word-wrap:break-word}.message-text code{background:var(--bg-tertiary);padding:2px 6px;border-radius:4px;font-family:JetBrains Mono,monospace;font-size:13px}.message-text strong{color:var(--accent-hover);font-weight:600}.message-text a{color:var(--accent);text-decoration:none}.tool-pill{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:500;font-family:JetBrains Mono,monospace;margin:0 4px 6px 0}.tool-pill.running{background:var(--accent-dim);color:var(--accent);animation:pulse 1.5s infinite}.tool-pill.done{background:#22c55e15;color:var(--success)}.tool-pill.error{background:#ef444415;color:var(--error)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;padding:40px}.empty-logo{font-size:56px;color:var(--accent);margin-bottom:16px}.empty-state h2{font-size:28px;font-weight:700;margin-bottom:8px}.empty-state p{color:var(--text-secondary);font-size:16px;margin-bottom:32px}.suggestions{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:600px}.suggestion{padding:10px 16px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:20px;color:var(--text-secondary);font-size:13px;cursor:pointer}.suggestion:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}.input-area{padding:16px 24px 24px;display:flex;gap:10px;max-width:900px;margin:0 auto;width:100%}.input-area input{flex:1;padding:14px 18px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-size:15px;font-family:DM Sans,sans-serif;outline:none}.input-area input:focus{border-color:var(--accent)}.input-area input::placeholder{color:var(--text-muted)}.input-area input:disabled{opacity:.5}.input-area button{padding:14px 20px;background:var(--accent);border:none;border-radius:var(--radius);color:#fff;font-size:18px;font-weight:600;cursor:pointer}.input-area button:hover:not(:disabled){background:var(--accent-hover)}.input-area button:disabled{opacity:.3;cursor:not-allowed}@media(max-width:768px){.sidebar{position:fixed;z-index:100;height:100vh;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.menu-btn{display:block}.message{padding:12px 16px}.input-area{padding:12px 16px 20px}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}