:root{--bg-primary: #0a0a0a;--bg-secondary: #141414;--bg-tertiary: #1e1e1e;--bg-hover: #2a2a2a;--text-primary: #f5f5f5;--text-secondary: #a0a0a0;--text-muted: #666;--accent: #6366f1;--accent-hover: #818cf8;--border: #2a2a2a;--danger: #ef4444;--success: #22c55e;--warning: #f59e0b;--radius: 12px;--radius-sm: 8px}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;width:100%}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.app{display:flex;height:100%}.sidebar{width:260px;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{padding:16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.sidebar-header h2{font-size:14px;font-weight:600;color:var(--text-primary)}.sidebar-threads{flex:1;overflow-y:auto;padding:8px}.thread-item{padding:10px 12px;border-radius:var(--radius-sm);cursor:pointer;transition:background .15s;margin-bottom:2px}.thread-item:hover{background:var(--bg-hover)}.thread-item.active{background:var(--bg-tertiary)}.thread-item-title{font-size:13px;font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.thread-item-time{font-size:11px;color:var(--text-muted);margin-top:2px}.main{flex:1;display:flex;flex-direction:column;min-width:0}.chat-header{padding:12px 20px;border-bottom:1px solid var(--border);font-size:14px;font-weight:500;color:var(--text-secondary)}.messages-container{flex:1;overflow-y:auto;padding:20px}.message{display:flex;margin-bottom:20px;gap:12px;max-width:800px;margin-left:auto;margin-right:auto}.message-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;flex-shrink:0}.message-avatar.user{background:var(--accent);color:#fff}.message-avatar.assistant{background:var(--bg-tertiary);color:var(--accent);border:1px solid var(--border)}.message-body{flex:1;min-width:0}.message-role{font-size:12px;font-weight:600;color:var(--text-secondary);margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}.message-content{font-size:14px;line-height:1.6;color:var(--text-primary)}.message-content p{margin-bottom:8px}.message-content p:last-child{margin-bottom:0}.message-content code{background:var(--bg-tertiary);padding:2px 6px;border-radius:4px;font-size:13px}.message-content pre{background:var(--bg-tertiary);padding:12px;border-radius:var(--radius-sm);overflow-x:auto;margin:8px 0}.message-content pre code{background:none;padding:0}.streaming-cursor{display:inline-block;width:2px;height:16px;background:var(--accent);margin-left:2px;animation:blink 1s step-end infinite;vertical-align:text-bottom}@keyframes blink{50%{opacity:0}}.composer{padding:12px 20px 20px;border-top:1px solid var(--border)}.composer-inner{max-width:800px;margin:0 auto;display:flex;gap:8px;align-items:flex-end}.composer-input{flex:1;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px;color:var(--text-primary);font-size:14px;font-family:inherit;resize:none;outline:none;min-height:44px;max-height:200px;transition:border-color .15s}.composer-input:focus{border-color:var(--accent)}.composer-input::placeholder{color:var(--text-muted)}.composer-send{background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);padding:10px 16px;font-size:14px;font-weight:500;cursor:pointer;transition:background .15s;white-space:nowrap}.composer-send:hover:not(:disabled){background:var(--accent-hover)}.composer-send:disabled{opacity:.5;cursor:not-allowed}.btn-new-thread{background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);padding:6px 12px;font-size:12px;font-weight:500;cursor:pointer;transition:background .15s}.btn-new-thread:hover{background:var(--accent-hover)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-muted);gap:12px}.empty-state h3{font-size:20px;font-weight:600;color:var(--text-secondary)}.empty-state p{font-size:14px;max-width:400px;text-align:center;line-height:1.5}.action-card{background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius);padding:14px;margin-top:12px}.action-card-header{display:flex;align-items:center;gap:8px;margin-bottom:8px}.action-card-badge{font-size:11px;font-weight:600;padding:2px 8px;border-radius:4px;text-transform:uppercase;letter-spacing:.5px}.action-card-badge.pending{background:#f59e0b26;color:var(--warning)}.action-card-badge.executed{background:#22c55e26;color:var(--success)}.action-card-badge.failed{background:#ef444426;color:var(--danger)}.action-card-summary{font-size:13px;color:var(--text-primary);margin-bottom:10px}.action-card-actions{display:flex;gap:8px}.btn-confirm{background:var(--success);color:#fff;border:none;border-radius:6px;padding:6px 14px;font-size:12px;font-weight:600;cursor:pointer}.btn-reject{background:transparent;color:var(--text-secondary);border:1px solid var(--border);border-radius:6px;padding:6px 14px;font-size:12px;font-weight:500;cursor:pointer}