:root{color-scheme:dark;font-family:system-ui,"Microsoft YaHei",sans-serif;background:#0b141c;color:#e7eff2}*{box-sizing:border-box}body{margin:0}main{max-width:760px;margin:auto;padding:28px 20px 24px}header{display:flex;justify-content:space-between;align-items:center;gap:16px}small{font-size:11px;color:#86a7b3;letter-spacing:.06em}h1{font-size:30px;margin:5px 0}h2{font-size:20px}#connection{background:#1c3440;padding:8px 12px;border-radius:99px;font-size:12px;white-space:nowrap}.intro{color:#a5bac3;line-height:1.7;margin:20px 0 28px}section{background:#111e28;border:1px solid #253845;border-radius:18px;padding:20px}label{display:block;font-size:13px;color:#a5bac3;margin-bottom:8px}input,textarea,select{font:inherit;color:inherit;border:1px solid #34505e;border-radius:10px;background:#0b1720;padding:12px;width:100%;outline:none}input:focus,textarea:focus{border-color:#78d8ca}textarea{resize:vertical;min-height:108px}button{border:0;border-radius:10px;background:#83ddcd;color:#10282b;font:inherit;font-weight:600;padding:11px 18px;cursor:pointer}button:disabled{opacity:.5;cursor:wait}#pair-form button{margin-top:14px}.toolbar{display:flex;align-items:center;gap:12px;margin-bottom:22px}.toolbar label{margin:0;white-space:nowrap}.toolbar select{width:auto;flex:1;padding:10px}.secondary{background:#223743;color:#c5d8df;padding:10px;font-size:13px}.task{border-top:1px solid #283d48;padding:18px 0;overflow-wrap:anywhere}.task:first-child{border-top:0}.meta{display:flex;gap:12px;color:#87b0bd;font-size:12px;margin-bottom:10px}.question,.answer{white-space:pre-wrap;line-height:1.75;margin:8px 0}.answer{color:#c2e4dc;border-left:2px solid #78d8ca;padding-left:12px}.task-error{color:#eabf8b;font-size:13px}.send-row{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:12px}#message-form{border-top:1px solid #2a404c;padding-top:22px;margin-top:12px}#error{color:#ffb6a6;line-height:1.7}footer{font-size:11px;text-align:center;color:#7794a0;margin-top:22px}#tasks:empty:before{content:"连接完成。发送第一条消息开始。";display:block;padding:20px 0;color:#8facb8} [hidden]{display:none!important}@media(max-width:480px){main{padding:22px 14px}h1{font-size:26px}section{padding:16px}.toolbar{gap:8px}.secondary{font-size:12px;padding:10px 8px}}

.file-link{display:block;color:#83ddcd;margin:12px 0}.file-preview{display:block;max-width:100%;max-height:420px;object-fit:contain;border-radius:10px}.answer{white-space:normal}.answer p{white-space:pre-wrap}.answer pre{overflow:auto;background:#08131b;border-radius:8px;padding:12px}.answer pre small{display:block;margin-bottom:8px}.answer code{font-family:ui-monospace,monospace;background:#08131b;padding:2px 4px}.answer a{color:#83ddcd}.table-scroll{overflow:auto}.answer table{border-collapse:collapse}.answer td,.answer th{border:1px solid #34505e;padding:8px}.answer blockquote{border-left:2px solid #6b99a6;margin:12px 0;padding-left:12px}#files{font-size:13px;margin-top:4px}#draft-files{font-size:12px;margin:10px 0;color:#83ddcd}

.task>summary{cursor:pointer;list-style:none;display:flex;flex-direction:column;gap:6px;padding:4px 0}.task>summary:before{content:"▸";float:left;font-size:14px;color:#83ddcd}.task[open]>summary:before{content:"▾"}.task>summary .meta{margin:0}.task-preview{font-size:14px;color:#b5cbd4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.task-body{padding-top:8px}.answer{max-height:420px;overflow:auto;overscroll-behavior:contain}.question{max-height:160px;overflow:auto}.thought p{max-height:220px;overflow:auto;white-space:pre-wrap}.history{border-top:1px solid #283d48;margin-top:10px;padding-top:16px}.history>summary{cursor:pointer;color:#9bb8c3;font-size:14px}.history .task{padding:12px 0}.update-notice{font-size:12px;color:#9bb8c3;padding:10px 0}.update-notice button{margin-left:10px;font-size:12px;padding:6px 10px}

.task>summary{display:grid;grid-template-columns:14px minmax(0,1fr);gap:4px 6px}.task>summary:before{grid-column:1;grid-row:1/3;float:none}.task>summary .meta,.task>summary .task-preview{grid-column:2}