:root{--bg:#0d1117;--bg-soft:#161b22;--card:#131922;--border:#2a313c;--text:#e6edf3;--text-dim:#8b949e;--accent:#6e9fff;--accent-soft:#6e9fff24;--good:#3fb950;--bad:#f85149;--warn:#d29922;--mono:"SF Mono", "JetBrains Mono", Menlo, Consolas, monospace}[data-theme=light]{--bg:#f5f6f8;--bg-soft:#eceef2;--card:#fff;--border:#d8dee6;--text:#1f2328;--text-dim:#656d76;--accent:#2f6fed;--accent-soft:#2f6fed1a}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.6}.mono{font-family:var(--mono);font-size:12.5px}.app{max-width:1280px;margin:0 auto;padding:0 20px 40px}.topbar{border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:14px 0;display:flex}.brand{align-items:center;gap:12px;display:flex}.logo{font-size:28px}.brand h1{letter-spacing:.3px;margin:0;font-size:18px}.tagline{color:var(--text-dim);margin:0;font-size:12px}.topbar-actions{align-items:center;gap:8px;display:flex}.btn{border:1px solid var(--border);background:var(--bg-soft);color:var(--text);cursor:pointer;border-radius:6px;padding:6px 14px;font-size:13px;transition:border-color .15s,background .15s}.btn:hover:not(:disabled){border-color:var(--accent)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.ghost{background:0 0}.btn.small{padding:3px 10px;font-size:12px}.btn.block{text-align:center;width:100%;display:block}.btn.danger{color:var(--bad)}.layout{grid-template-columns:270px 1fr;gap:20px;padding-top:20px;display:grid}@media (width<=860px){.layout{grid-template-columns:1fr}}.sidebar-head{color:var(--text-dim);justify-content:space-between;align-items:center;margin-bottom:8px;font-size:12px;display:flex}.sidebar-foot{margin-top:12px}.task-list{flex-direction:column;gap:8px;display:flex}.task-card{text-align:left;border:1px solid var(--border);background:var(--card);cursor:pointer;color:var(--text);border-radius:8px;padding:10px 12px;transition:border-color .15s}.task-card:hover{border-color:var(--accent)}.task-card.active{border-color:var(--accent);background:var(--accent-soft)}.task-title{margin-bottom:4px;font-weight:600;display:block}.task-meta{color:var(--text-dim);align-items:center;gap:8px;font-size:12px;display:flex}.diff{border-radius:4px;padding:1px 6px;font-size:11px;font-style:normal}.diff-基础{color:var(--good);background:#3fb9501f}.diff-进阶{color:var(--accent);background:var(--accent-soft)}.diff-困难{color:var(--bad);background:#f851491f}.task-head{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px;display:flex}.task-head h2{margin:0;font-size:17px}.head-spacer{flex:1}.tabs{border-bottom:1px solid var(--border);gap:4px;margin-bottom:16px;display:flex}.tab{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;align-items:center;gap:8px;padding:8px 16px;font-size:14px;display:flex}.tab.active{color:var(--text);border-bottom-color:var(--accent)}.tab-score{background:var(--bg-soft);color:var(--text-dim);border-radius:8px;padding:0 7px;font-size:11px}.tab-score.good{color:var(--good)}.panel{flex-direction:column;gap:16px;display:flex}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px 18px}.card h3{margin:0 0 12px;font-size:14px}.card-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px;display:flex}.card-head h3{margin:0}.field{margin-bottom:12px;display:block}.field>span{color:var(--text-dim);margin-bottom:4px;font-size:12px;display:block}input,select,textarea{background:var(--bg);width:100%;color:var(--text);border:1px solid var(--border);border-radius:6px;padding:7px 10px;font-family:inherit;font-size:13px}input:focus,select:focus,textarea:focus{border-color:var(--accent);outline:none}textarea{resize:vertical}textarea.code-editor{white-space:pre;tab-size:2;overflow-x:auto}.hint{color:var(--text-dim);margin:8px 0 0;font-size:12px}.self-check{background:var(--accent-soft);color:var(--text);border-radius:6px;margin:10px 0 0;padding:8px 12px;font-size:13px}.ref-code{background:var(--bg);border:1px solid var(--border);border-radius:6px;margin:0;padding:12px;overflow-x:auto}.cp-card{border:1px solid var(--border);border-radius:8px;margin-bottom:10px;padding:10px 12px}.cp-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.cp-name{flex:1;min-width:140px}.cp-row select{width:auto}.cp-weight{color:var(--text-dim);align-items:center;gap:6px;font-size:12px;display:flex}.cp-weight input{width:68px}.cp-gate{color:var(--text-dim);white-space:nowrap;cursor:pointer;align-items:center;gap:4px;font-size:12px;display:flex}.cp-gate input{width:auto}.cp-config{align-items:center;gap:8px;margin-top:8px;display:flex}.cp-config>input,.cp-config>select{flex:1}.lint-card.has-error{border-color:var(--bad)}.lint-card ul{margin:0;padding-left:4px;list-style:none}.lint-card li{padding:3px 0;font-size:13px}.lint-card li.error{color:var(--bad)}.lint-card li.warn{color:var(--warn)}.lint-ok{color:var(--good);margin:0}.report-head{flex-wrap:wrap;align-items:center;gap:20px;display:flex}.score-box{align-items:baseline;gap:6px;display:flex}.score-num{font-size:44px;font-weight:700;font-family:var(--mono)}.score-num.good{color:var(--good)}.score-num.bad{color:var(--bad)}.score-unit{color:var(--text-dim)}.score-meta{flex:1;min-width:220px}.score-meta p{margin:2px 0}.banner{border-radius:6px;padding:6px 12px;font-size:13px}.banner.good{color:var(--good);background:#3fb9501f}.banner.bad{color:var(--bad);background:#f851491f}.banner.warn{color:var(--warn);background:#d299221f}.report-table{border-collapse:collapse;width:100%;font-size:13px}.report-table th{text-align:left;color:var(--text-dim);border-bottom:1px solid var(--border);white-space:nowrap;padding:6px 8px;font-weight:500}.report-table td{border-bottom:1px solid var(--border);vertical-align:top;padding:8px}.report-table tr.pass td:first-child{color:var(--good)}.report-table tr.fail td:first-child{color:var(--bad)}.report-table .num{font-family:var(--mono)}.report-table .detail{color:var(--text-dim);font-size:12px}.gate-badge{color:var(--bad);border:1px solid var(--bad);white-space:nowrap;border-radius:4px;margin-left:6px;padding:0 4px;font-size:10px;font-style:normal}.logs{background:var(--bg);border:1px solid var(--border);border-radius:6px;max-height:260px;margin:0;padding:12px;overflow:auto}.empty-state{color:var(--text-dim);text-align:center;padding:40px 16px}.toast{background:var(--bg-soft);border:1px solid var(--accent);color:var(--text);z-index:10;border-radius:8px;padding:10px 20px;font-size:13px;position:fixed;bottom:28px;left:50%;transform:translate(-50%);box-shadow:0 8px 24px #00000059}.modal-mask{z-index:50;background:#0000008c;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--bg,#161b22);color:inherit;border:1px solid var(--border,#30363d);border-radius:12px;width:min(680px,92vw);max-height:86vh;padding:18px 20px;overflow:auto}.modal-head{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.modal-head h3{margin:0;font-size:16px}.modal-label{color:var(--muted,#8b949e);margin:14px 0 6px;font-size:12px}.bank-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:6px;display:grid}.bank-btn{text-align:left;font-family:ui-monospace,Menlo,monospace;font-size:12px}.paste-area{resize:vertical;background:var(--bg-deep,#0d1117);width:100%;min-height:130px;color:inherit;border:1px solid var(--border,#30363d);border-radius:8px;padding:10px;font:12px/1.6 ui-monospace,Menlo,monospace}.modal-actions{align-items:center;gap:8px;margin-top:14px;display:flex}