*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #5680BA;--primary-hover: #4570aa;--primary-light: #eef2f9;--bg: #f8f9fc;--surface: #ffffff;--surface2: #f1f3f7;--border: #e2e6ef;--text: #1a1d23;--text-muted: #6b7280;--text-light: #9ca3af;--success: #22c55e;--error: #ef4444;--shadow-sm: 0 1px 3px rgba(0,0,0,.07);--shadow: 0 4px 12px rgba(0,0,0,.1);--radius: 12px;--radius-sm: 8px;--sidebar-width: 260px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}html,body,#root{height:100%;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}.app-layout{display:flex;height:100vh;overflow:hidden}.sidebar{width:var(--sidebar-width);background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;overflow:hidden}.sidebar-header{padding:18px 16px 14px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}.sidebar-logo{width:30px;height:30px;border-radius:8px;object-fit:cover;flex-shrink:0}.sidebar-title{font-size:15px;font-weight:600;color:var(--text)}.sidebar-subtitle{font-size:11px;color:var(--text-muted);margin-top:1px}.sidebar-section{padding:12px 16px 8px}.sidebar-section-label{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px}.btn-new-session{display:flex;align-items:center;gap:8px;width:100%;padding:9px 14px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-sm);font-size:13px;font-weight:500;cursor:pointer;transition:background .15s}.btn-new-session:hover{background:var(--primary-hover)}.btn-new-session svg{flex-shrink:0}.sessions-list{flex:1;overflow-y:auto;padding:4px 8px}.session-item{padding:8px 10px;border-radius:var(--radius-sm);cursor:pointer;transition:background .12s;margin-bottom:2px}.session-item:hover{background:var(--surface2)}.session-item.active{background:var(--primary-light)}.session-item-title{font-size:12px;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.session-item-date{font-size:11px;color:var(--text-muted);margin-top:1px}.notes-panel{border-top:1px solid var(--border);padding:12px 16px;max-height:160px;overflow-y:auto}.notes-panel-label{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}.notes-panel-text{font-size:11px;color:var(--text-muted);white-space:pre-wrap;line-height:1.6}.allow-action-row{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-top:1px solid var(--border);gap:10px}.allow-action-label{font-size:12px;font-weight:500;color:var(--text)}.toggle{position:relative;width:36px;height:20px;flex-shrink:0}.toggle input{opacity:0;width:0;height:0}.toggle-track{position:absolute;top:0;right:0;bottom:0;left:0;background:#d1d5db;border-radius:20px;cursor:pointer;transition:background .2s}.toggle input:checked+.toggle-track{background:var(--primary)}.toggle-track:before{content:"";position:absolute;width:14px;height:14px;left:3px;top:3px;background:#fff;border-radius:50%;transition:transform .2s}.toggle input:checked+.toggle-track:before{transform:translate(16px)}.chat-main{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg)}.chat-header{padding:14px 24px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}.chat-header-avatar{width:32px;height:32px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0}.chat-header-avatar img{width:100%;height:100%;object-fit:cover}.chat-header-name{font-size:14px;font-weight:600;color:var(--text)}.chat-header-status{font-size:12px;color:var(--text-muted)}.chat-header-status.active{color:var(--success)}.messages-container{flex:1;overflow-y:auto;padding:24px 24px 16px;display:flex;flex-direction:column;gap:16px}.messages-container:empty:after{content:"";flex:1}.welcome{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px;gap:16px;color:var(--text-muted)}.welcome-icon{width:64px;height:64px;border-radius:20px;object-fit:cover;opacity:.85}.welcome h2{font-size:20px;font-weight:600;color:var(--text)}.welcome p{font-size:14px;max-width:360px;line-height:1.6}.message-row{display:flex;gap:10px;align-items:flex-start;max-width:80%}.message-row.user{align-self:flex-end;flex-direction:row-reverse}.message-row.assistant{align-self:flex-start}.message-avatar{width:28px;height:28px;border-radius:50%;flex-shrink:0;overflow:hidden;background:var(--primary-light);display:flex;align-items:center;justify-content:center;margin-top:2px}.message-avatar img{width:100%;height:100%;object-fit:cover}.message-avatar.user-av{background:var(--primary);color:#fff;font-size:11px;font-weight:600}.message-bubble{padding:10px 14px;border-radius:16px;font-size:13.5px;line-height:1.6;max-width:100%;word-break:break-word}.message-row.assistant .message-bubble{background:var(--surface);border:1px solid var(--border);border-bottom-left-radius:4px;box-shadow:var(--shadow-sm)}.message-row.user .message-bubble{background:var(--primary);color:#fff;border-bottom-right-radius:4px}.message-time{font-size:10px;color:var(--text-light);margin-top:4px;padding:0 4px;align-self:flex-end}.message-row.user .message-time{text-align:right}.message-bubble p{margin:0 0 8px}.message-bubble p:last-child{margin-bottom:0}.message-bubble ul,.message-bubble ol{padding-left:18px;margin:4px 0 8px}.message-bubble li{margin-bottom:3px}.message-bubble strong{font-weight:600}.message-bubble code{background:var(--surface2);padding:1px 5px;border-radius:4px;font-family:SF Mono,Consolas,monospace;font-size:12px}.message-bubble pre{background:var(--surface2);padding:10px;border-radius:8px;overflow-x:auto;margin:8px 0}.message-bubble pre code{background:none;padding:0}.status-bubble{display:flex;align-items:center;gap:8px;padding:8px 14px;background:var(--surface);border:1px solid var(--border);border-radius:16px 16px 16px 4px;font-size:12px;color:var(--text-muted);box-shadow:var(--shadow-sm);align-self:flex-start;max-width:80%}.dots{display:flex;gap:3px}.dot{width:5px;height:5px;border-radius:50%;background:var(--primary);animation:bounce 1.2s ease-in-out infinite}.dot:nth-child(2){animation-delay:.2s}.dot:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,80%,to{transform:scale(.6);opacity:.4}40%{transform:scale(1);opacity:1}}.prompt-area{padding:12px 24px 20px;background:var(--bg)}.prompt-box{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:border-color .15s,box-shadow .15s;overflow:hidden}.prompt-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px #5680ba1f}.prompt-input-wrapper{position:relative;padding:10px 14px 2px}.prompt-suggestion{position:absolute;top:0;left:0;right:0;padding:10px 14px 2px;font-size:14px;line-height:1.5;color:transparent;pointer-events:none;white-space:pre-wrap;word-break:break-word;overflow:hidden}.prompt-suggestion .ghost{color:var(--text-light)}.prompt-textarea{width:100%;min-height:44px;max-height:180px;resize:none;border:none;outline:none;background:transparent;font-size:14px;font-family:inherit;color:var(--text);line-height:1.5;position:relative;z-index:1;overflow-y:auto}.prompt-textarea::placeholder{color:var(--text-light)}.prompt-footer{display:flex;align-items:center;justify-content:space-between;padding:6px 14px 10px;gap:8px}.prompt-hint{font-size:11px;color:var(--text-light)}.btn-send{display:flex;align-items:center;gap:6px;padding:7px 14px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-sm);font-size:13px;font-weight:500;cursor:pointer;transition:background .15s,opacity .15s;flex-shrink:0}.btn-send:hover:not(:disabled){background:var(--primary-hover)}.btn-send:disabled{opacity:.5;cursor:not-allowed}.auth-screen{height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:40px 48px;text-align:center;box-shadow:var(--shadow);max-width:400px;width:90%}.auth-logo{width:64px;height:64px;border-radius:18px;object-fit:cover;margin-bottom:16px}.auth-card h1{font-size:20px;font-weight:700;color:var(--text);margin-bottom:8px}.auth-card p{font-size:13px;color:var(--text-muted);line-height:1.6}.auth-error{margin-top:16px;padding:10px 14px;background:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius-sm);font-size:12px;color:var(--error)}.spinner{width:32px;height:32px;border:3px solid var(--primary-light);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;margin:16px auto 0}@keyframes spin{to{transform:rotate(360deg)}}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#c1c9d8}