body.chat-page{--background: #fff;--foreground: #000;--border: #edeff1;--muted: #f9f9f9;--muted-foreground: #666;--card: #f9f9f9;--radius: 6px;--font-display: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;--font-mono: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;background:var(--background);color:var(--foreground)}.chat-layout{align-items:flex-start}.chat-content{max-width:none;width:100%;min-width:0;overflow:hidden}.thread{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center}.thread-header{width:100%;max-width:42rem;padding:32px 16px 24px;display:flex;flex-direction:column;gap:10px;align-items:flex-start;text-align:left}.thread-title{font-family:var(--font-display);font-weight:500;font-size:21px;line-height:1.35;letter-spacing:-.02em}.avatar{width:18px;height:18px;min-width:18px;min-height:18px;aspect-ratio:1 / 1;border-radius:50%;border:none;background:#eef3ff;display:inline-flex;align-items:center;justify-content:center;font-size:9px;font-weight:600;color:#000;overflow:hidden;flex:0 0 18px}.avatar.user{background:#f9f9f9}.avatar.assistant{background:#2962ff;color:transparent;box-shadow:none}.thread-body{width:100%;display:flex;justify-content:center;position:relative}.messages{width:100%;max-width:42rem;padding:0 16px 48px;display:flex;flex-direction:column;gap:18px}.block{scroll-margin-top:80px}.message{display:flex;gap:8px;align-items:flex-start;min-width:0;max-width:100%}.bubble{border:none;border-radius:var(--radius);padding:0;background:transparent;font-size:14px;line-height:1.5;white-space:pre-wrap;word-break:break-word;min-width:0;overflow:hidden}.message.assistant .bubble{background:transparent}.thinking-toggle{display:inline-flex;align-items:center;gap:6px;background:transparent;border:none;padding:2px 4px;font-size:14px;font-weight:500;cursor:pointer;color:var(--muted-foreground)}.thinking-toggle svg{transition:transform .2s ease}.thinking-toggle[aria-expanded=true] svg{transform:rotate(90deg)}.thinking-content{margin-top:6px;background:var(--card);border-radius:var(--radius);border:1px solid transparent;padding:10px 12px;color:var(--muted-foreground);font-size:13px}.markdown{font-size:14px;line-height:1.55}.markdown p{margin:0 0 8px}.markdown p:last-child{margin-bottom:0}.markdown h1,.markdown h2,.markdown h3,.markdown h4,.markdown h5,.markdown h6{margin:12px 0 6px;font-weight:600;letter-spacing:-.01em}.markdown h1{font-size:20px}.markdown h2{font-size:18px}.markdown h3{font-size:16px}.markdown ul,.markdown ol{margin:6px 0 8px 18px;padding:0}.markdown li{margin:4px 0}.markdown code{font-family:var(--font-mono);font-size:.92em;background:var(--card);border-radius:4px;padding:2px 4px}.markdown pre{margin:8px 0;padding:10px 12px;border-radius:6px;border:1px solid var(--border);background:var(--card);font-family:var(--font-mono);font-size:12px;overflow-x:auto;max-width:100%}.code-block{position:relative;margin:8px 0}.markdown .code-block pre{margin:0;padding-top:38px}.code-copy{position:absolute;top:7px;right:8px;z-index:1;border:1px solid var(--border);border-radius:4px;padding:3px 7px;background:#fff;color:var(--muted-foreground);font:inherit;font-size:12px;line-height:1.2;cursor:pointer}.code-copy:hover{color:var(--foreground);background:var(--muted)}.code-copy:focus-visible{outline:2px solid #2962ff;outline-offset:2px}.markdown pre code{background:transparent;padding:0}.math-display{margin:8px 0;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch}.markdown .table-wrap{overflow-x:auto;margin:10px 0 14px;-webkit-overflow-scrolling:touch}.markdown table{width:100%;border-collapse:collapse;font-size:14px;table-layout:auto;min-width:720px}.markdown th,.markdown td{border:none;border-bottom:1px solid var(--border);padding:12px 16px 12px 0;vertical-align:top;word-break:normal;white-space:normal}.markdown th{background:transparent;font-weight:600;text-align:left}.markdown th:last-child,.markdown td:last-child{padding-right:0}.markdown tbody tr:last-child td{border-bottom:none}.markdown th:nth-child(1),.markdown td:nth-child(1){min-width:140px}.markdown th:nth-child(2),.markdown td:nth-child(2){min-width:200px}.markdown blockquote{margin:8px 0;padding-left:10px;border-left:2px solid var(--border);color:var(--muted-foreground)}.markdown hr{border:none;border-top:1px solid var(--border);margin:10px 0}.markdown a{text-decoration:underline}.chat-list{padding:24px 0 48px}.chat-list-header h1{margin-bottom:6px;font-size:24px;font-weight:600}.chat-list-header p{color:var(--muted-foreground);margin-bottom:20px}.chat-list-grid{display:flex;flex-direction:column;gap:12px;border-top:none}.chat-card{border:none;border-bottom:none;border-radius:0;padding:4px 0;background:transparent;color:var(--foreground);text-decoration:none;transition:background .2s ease}.chat-card:hover{background:color-mix(in srgb,var(--foreground) 4%,transparent)}.chat-card-title{font-weight:500;margin-bottom:2px}.chat-card-meta{color:var(--muted-foreground);font-size:12px}.chat-search-item{display:flex;flex-wrap:wrap;align-items:baseline;gap:0 8px}.chat-search-title{font-weight:500}.chat-search-section{color:var(--muted-foreground);font-size:12px}.chat-search-excerpt{display:block;flex-basis:100%;margin-top:3px;color:var(--muted-foreground);line-height:1.4}.chat-search-item:focus-visible{outline:2px solid #2962ff;outline-offset:-2px}.block.search-highlight{background:#f3f6ff;border-radius:var(--radius);box-shadow:0 0 0 6px #f3f6ff}::highlight(chat-search-match){background:#ffe58a;color:#000}@media (min-width: 640px){.thread-header{align-items:center;text-align:center}.thread-title{font-size:24px}}@media (min-width: 1024px){.avatar{width:22px;height:22px;min-width:22px;min-height:22px;flex:0 0 22px;font-size:10px}}@media (max-width: 768px){.chat-layout{flex-direction:column-reverse}.thread-header{padding-top:24px}.thread-header{max-width:100%;padding:24px 16px 16px;align-items:flex-start;text-align:left}.thread-title{font-size:20px}.messages{max-width:100%;padding:0 14px 40px;gap:16px}.message{gap:6px}.bubble,.thinking-toggle{font-size:14px}.thinking-content{font-size:13px}.markdown table{min-width:100%;font-size:14px;border-collapse:collapse}.markdown th,.markdown td{padding:8px 0}.markdown thead{display:none}.markdown tbody,.markdown tr,.markdown td{display:block;width:100%}.markdown tbody tr{border-bottom:1px solid var(--border);padding:10px 0}.markdown tbody tr:last-child{border-bottom:none}.markdown td{border-bottom:none}.markdown td:before{content:attr(data-label);display:block;font-size:12px;font-weight:600;color:var(--muted-foreground);margin-bottom:4px}}