.lab-root{--lab-bg:#07131f;--lab-panel:#0d2130;--lab-text:#eaf3f8;--lab-muted:#a8bdca;--lab-line:#2f4c5e;--lab-coral:#ff8d75;--lab-cyan:#25d7d0;color:var(--lab-text);font:16px/1.7 "Microsoft YaHei","PingFang SC",sans-serif}
.lab-root *{box-sizing:border-box}
.lab-notice{border-left:4px solid var(--lab-coral);background:#1e2b33;padding:16px 20px;margin-bottom:22px;border-radius:0 10px 10px 0}
.lab-notice p{margin:0 0 7px}.lab-notice p:last-child{margin:0}
.lab-muted{color:var(--lab-muted);font-size:.92rem}
.lab-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.lab-panel{background:var(--lab-panel);border:1px solid var(--lab-line);padding:22px;border-radius:12px;min-width:0;margin-bottom:18px}
.lab-panel h3{margin:0 0 12px;font-size:1.13rem;color:var(--lab-text);font-weight:700}
.lab-panel p{margin:8px 0 15px}.lab-panel form{margin:0}
.lab-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.lab-field{display:flex;flex-direction:column;gap:6px;font-size:.94rem;min-width:0}
.lab-field-wide{grid-column:1/-1}
.lab-root input,.lab-root select,.lab-root textarea{background:var(--lab-bg);color:var(--lab-text);border:1px solid #496575;border-radius:6px;font:inherit;line-height:1.45;padding:10px 12px;width:100%;min-width:0}
.lab-root textarea{resize:vertical;min-height:155px;font-family:Consolas,"SFMono-Regular",monospace;font-size:.9rem;tab-size:2}
.lab-root button{font:inherit;font-size:.94rem;line-height:1.4;min-height:44px;padding:10px 15px;border:1px solid #547282;border-radius:6px;background:#143044;color:var(--lab-text);cursor:pointer}
.lab-root button:hover{background:#23475d;border-color:var(--lab-cyan)}
.lab-root button:active{transform:translateY(1px)}
.lab-root .lab-primary{background:var(--lab-coral);border-color:var(--lab-coral);color:#182432;font-weight:700}
.lab-root .lab-primary:hover{background:#ffa18d}
.lab-root :is(button,input,select,textarea):focus-visible{outline:3px solid var(--lab-cyan);outline-offset:3px}
.lab-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px}
.lab-actions .lab-field{flex:1;min-width:140px}
.lab-state{color:var(--lab-cyan);font-size:.92rem}
.lab-code{font:14px/1.7 Consolas,"SFMono-Regular",monospace;white-space:pre-wrap;overflow-wrap:anywhere;background:var(--lab-bg);border:1px solid var(--lab-line);border-radius:7px;padding:16px;margin:14px 0 0;max-height:450px;overflow:auto;color:var(--lab-text)}
.lab-table-wrap{overflow-x:auto;margin-top:18px}
.lab-table{border-collapse:collapse;width:100%;text-align:left;font-size:.9rem;min-width:660px}
.lab-table th,.lab-table td{padding:12px 10px;border-bottom:1px solid var(--lab-line);vertical-align:top}
.lab-table th{color:var(--lab-muted);font-size:.82rem;font-weight:500;white-space:nowrap}
.lab-table td:nth-child(2){font-family:Consolas,monospace;font-size:.85rem;word-break:break-all}
.lab-table .lab-table-actions{display:flex;gap:8px;white-space:nowrap}
.lab-table .lab-table-actions button{padding:7px 11px;font-size:.84rem}
.lab-empty{padding:20px 4px;color:var(--lab-muted)}
.lab-checkbox{display:flex;gap:10px;align-items:center;font-size:.9rem;margin:16px 0}
.lab-checkbox input{width:18px;height:18px;accent-color:var(--lab-coral);flex:0 0 auto}
.lab-feedback{white-space:pre-line;min-height:30px;color:var(--lab-cyan);margin-top:14px}
.lab-history{border-top:1px solid var(--lab-line);padding-top:15px;margin-top:15px}
.lab-history summary{cursor:pointer;line-height:1.8;overflow-wrap:anywhere;padding:5px 0}
.lab-history summary:focus-visible{outline:3px solid var(--lab-cyan);outline-offset:3px}
.lab-history-list{max-height:650px;overflow:auto}
.lab-answer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px}
.lab-tag{display:inline-block;background:#133b42;color:#8de9e4;padding:2px 8px;font-size:.78rem;border-radius:4px;margin-right:7px;vertical-align:middle}
@media(max-width:900px){.lab-grid{grid-template-columns:1fr}}
@media(max-width:600px){.lab-panel{padding:16px}.lab-fields,.lab-answer-grid{grid-template-columns:1fr}.lab-notice{padding:14px}.lab-actions button{flex:1}.lab-root{font-size:15px}.lab-code{font-size:12px}.lab-field-wide{grid-column:auto}}
@media(prefers-reduced-motion:reduce){.lab-root button:active{transform:none}}