:root{--of-bg: #fcfcfd;--of-surface: #ffffff;--of-sidebar: #f3f5f7;--of-subtle: #eff2f5;--of-text: #30353c;--of-muted: #65717e;--of-primary: #506b83;--of-primary-hover: #405a71;--of-primary-soft: #eaf0f5;--of-divider: #e3e8ed;--of-control-border: #8292a2;--of-focus: #496c8f;--of-success: #37604c;--of-success-bg: #edf5f0;--of-warning: #80542d;--of-warning-bg: #f8f1e8;--of-danger: #913f43;--of-danger-bg: #fbf0ee;--of-font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", "Segoe UI", sans-serif;--of-type-display: 32px;--of-type-title: 24px;--of-type-section: 18px;--of-type-body: 15px;--of-type-label: 14px;--of-type-meta: 12px;--of-leading-body: 1.75;--of-space-1: 4px;--of-space-2: 8px;--of-space-3: 12px;--of-space-4: 16px;--of-space-6: 24px;--of-space-8: 32px;--of-space-12: 48px;--of-radius-control: 8px;--of-radius-card: 12px;--of-radius-overlay: 18px;--of-radius-composer: 20px;--of-control-height: 44px;--of-content-max: 780px;--of-composer-max: 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#0000000a}.message-meta-bar{display:flex;align-items:center;justify-content:space-between;margin-top:10px;padding-top:8px;border-top:1px solid var(--line);font-size:11px;color:var(--of-muted)}.model-badge{display:inline-flex;align-items:center;gap:4px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.copy-btn{font-size:12px;min-height:44px;min-width:44px;padding:8px 12px}.chat-markdown-content{line-height:1.75;font-size:14px;color:#292524;word-break:break-word}.chat-markdown-content h1,.chat-markdown-content h2,.chat-markdown-content h3,.chat-markdown-content h4{font-weight:700;color:#1c1917;margin:12px 0 6px;letter-spacing:-.015em}.chat-markdown-content h1{font-size:18px;border-bottom:1px solid var(--line);padding-bottom:4px}.chat-markdown-content h2{font-size:16px}.chat-markdown-content h3{font-size:15px}.chat-markdown-content p{margin:0 0 10px}.chat-markdown-content p:last-child{margin-bottom:0}.chat-markdown-content ul,.chat-markdown-content ol{padding-left:20px;margin:8px 0}.chat-markdown-content li{margin-bottom:4px}.chat-markdown-content strong{font-weight:600;color:#0c0a09}.chat-markdown-content blockquote{border-left:3px solid #9d4f32;padding:8px 14px;color:#57534e;margin:10px 0;background:#fdfbf9;border-radius:0 8px 8px 0}.chat-markdown-content code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.88em;background:#f5f5f4;color:#9d4f32;padding:2px 6px;border-radius:4px;border:1px solid #e7e5e4}.chat-markdown-content pre{background:#1c1917;color:#f5f5f4;padding:12px 16px;border-radius:10px;overflow-x:auto;margin:10px 0;font-size:12px}.chat-markdown-content pre code{background:transparent;color:inherit;padding:0;border:none}.table-container{width:100%;overflow-x:auto;margin:12px 0}.chat-markdown-content table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid #e7e5e4;border-radius:8px;overflow:hidden;font-size:13px;background:#fff}.chat-markdown-content th{padding:8px 12px;background:#f9f8f6;font-weight:600;color:#44403c;border-bottom:1px solid #e7e5e4;border-right:1px solid #e7e5e4;text-align:left}.chat-markdown-content th:last-child{border-right:none}.chat-markdown-content td{padding:8px 12px;border-bottom:1px solid #f0eeec;border-right:1px solid #f0eeec}.chat-markdown-content td:last-child{border-right:none}.chat-markdown-content tbody tr:last-child td{border-bottom:none}.chat-markdown-content tbody tr:nth-child(2n){background:#faf9f7}.prompt-chips-bar{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:12px;overflow-x:auto;padding:2px 4px}.chips-label{color:var(--of-muted);white-space:nowrap;font-weight:600;flex:none}.chips-scroll{display:flex;align-items:center;gap:6px;flex-wrap:nowrap;overflow-x:auto}.chip-btn{min-height:44px;min-width:44px;padding:8px 14px;border-radius:9999px;background:#fff;border:1px solid #e2e8f0;color:#475569;font-size:13px;white-space:nowrap;flex:none;transition:all .15s ease}.chip-btn:hover{background:#f8fafc;border-color:#cbd5e1;color:#1e293b}@media(max-width:620px){.quick-prompts-grid{grid-template-columns:1fr}.top-agent-pill{display:none}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}