.chat-container{display:flex;flex-direction:column;height:100%;max-width:48rem;margin:0 auto;position:relative}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border-light);flex-shrink:0}.chat-header h1{font-size:16px;font-weight:600;letter-spacing:-.01em}.model-badge{font-size:11px;background:var(--bg-user);color:var(--text-secondary);padding:4px 10px;border-radius:999px;border:1px solid var(--border-light);font-weight:500;letter-spacing:.01em}.messages-container{flex:1;overflow-y:auto;padding:24px 16px 32px;scroll-behavior:smooth}.messages-container::-webkit-scrollbar{width:6px}.messages-container::-webkit-scrollbar-track{background:transparent}.messages-container::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.message{display:flex;gap:12px;margin-bottom:24px;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message-avatar{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;flex-shrink:0;margin-top:2px}.message-user .message-avatar{background:var(--accent);color:#fff}.message-assistant .message-avatar{background:var(--bg-user);color:var(--text-primary);border:1px solid var(--border-light)}.message-content{flex:1;min-width:0}.message-text{font-size:15px;line-height:1.65;color:var(--text-primary);white-space:pre-wrap;word-wrap:break-word}.message-text p{margin-bottom:8px}.message-text p:last-child{margin-bottom:0}.tool-invocation{margin-top:10px;border:1px solid var(--tool-border);border-radius:var(--radius-sm);overflow:hidden;background:var(--tool-bg)}.tool-header{display:flex;align-items:center;gap:8px;padding:10px 12px;background:#ffffff08;border-bottom:1px solid var(--tool-border)}.tool-header:last-child{border-bottom:none}.tool-icon{width:18px;height:18px;border-radius:4px;background:#10a37f26;display:flex;align-items:center;justify-content:center;flex-shrink:0}.tool-icon svg{width:12px;height:12px;color:var(--accent)}.tool-name{font-size:13px;font-weight:600;color:var(--text-secondary);flex:1}.tool-status{font-size:11px;color:var(--text-muted);display:flex;align-items:center;gap:6px}.tool-spinner{width:12px;height:12px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.tool-args{padding:8px 12px}.tool-args summary{font-size:12px;color:var(--text-muted);cursor:pointer;-webkit-user-select:none;user-select:none}.tool-args summary:hover{color:var(--text-secondary)}.tool-args pre{margin-top:6px;font-family:var(--font-mono);font-size:12px;color:var(--text-secondary);background:#0003;padding:8px;border-radius:4px;overflow-x:auto}.tool-result{padding:10px 12px;font-family:var(--font-mono);font-size:12px;line-height:1.5}.tool-result pre{color:var(--text-secondary);white-space:pre-wrap;word-break:break-word}.tool-result-line{display:flex;gap:8px;padding:2px 0}.tool-result-key{color:var(--accent);font-weight:500;min-width:90px;flex-shrink:0}.tool-result-value{color:var(--text-primary)}.input-form{display:flex;gap:8px;padding:16px 24px 24px;border-top:1px solid var(--border-light);flex-shrink:0}.input-form input{flex:1;padding:12px 16px;background:var(--bg-user);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:14px;outline:none;transition:border-color .2s}.input-form input:focus{border-color:var(--accent)}.input-form input::placeholder{color:var(--text-muted)}.input-form input:disabled{opacity:.5}.input-form button{padding:12px 24px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-md);font-size:14px;font-weight:500;cursor:pointer;transition:background .2s;white-space:nowrap}.input-form button:hover:not(:disabled){background:var(--accent-hover)}.input-form button:disabled{opacity:.5;cursor:not-allowed}.typing-indicator{display:flex;gap:4px;padding:8px 0}.typing-indicator span{width:8px;height:8px;background:var(--text-muted);border-radius:50%;animation:bounce 1.4s ease-in-out infinite}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-6px)}}.error-message{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:var(--danger);padding:10px 16px;border-radius:var(--radius-sm);font-size:13px;margin:0 24px 16px}.welcome-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:16px;padding:48px 24px;text-align:center}.welcome-icon{width:48px;height:48px;border-radius:12px;background:#10a37f1a;display:flex;align-items:center;justify-content:center}.welcome-icon svg{width:28px;height:28px;color:var(--accent)}.welcome-title{font-size:20px;font-weight:600;color:var(--text-primary)}.welcome-subtitle{font-size:14px;color:var(--text-muted);max-width:320px;line-height:1.5}.welcome-suggestions{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:8px}.suggestion-chip{padding:8px 16px;background:var(--bg-user);border:1px solid var(--border-light);border-radius:999px;font-size:12px;color:var(--text-secondary);cursor:pointer;transition:all .2s}.suggestion-chip:hover{border-color:var(--accent);color:var(--accent);background:#10a37f0d}*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #212121;--bg-secondary: #171717;--bg-user: #2f2f2f;--bg-assistant: transparent;--text-primary: #ececec;--text-secondary: #b4b4b4;--text-muted: #808080;--accent: #10a37f;--accent-hover: #0e8c6c;--border: #424242;--border-light: #333333;--tool-bg: #1a1a1a;--tool-border: #333333;--danger: #ef4444;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px;--shadow: 0 2px 8px rgba(0, 0, 0, .2);--font-sans: "Segoe UI", "SF Pro Display", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;--font-mono: "Cascadia Code", "Fira Code", "JetBrains Mono", Consolas, monospace}html,body,#root{height:100%;font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}input,button,textarea{font-family:inherit}