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var(--line)}@media (max-width:880px){.dsa-seekho .info-row{grid-template-columns:1fr}}.dsa-seekho .vars-pane{padding:14px 16px;border-right:1px solid var(--line);background:#0D1119}@media (max-width:880px){.dsa-seekho .vars-pane{border-right:none;border-bottom:1px solid var(--line)}}.dsa-seekho .pane-label{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);margin-bottom:10px;font-weight:600}.dsa-seekho .var-list{display:flex;flex-wrap:wrap;gap:8px}.dsa-seekho .var-chip{font-family:var(--mono);font-size:12.5px;padding:6px 10px;border-radius:7px;background:var(--panel-2);border:1px solid var(--line);color:var(--text-dim)}.dsa-seekho .var-chip b{color:var(--text);font-weight:600}.dsa-seekho .explain-pane{padding:14px 16px;background:#0D1119}.dsa-seekho .explain-text{font-size:13px;color:var(--text-dim);line-height:1.6}.dsa-seekho .explain-text .hl{color:var(--text);font-family:var(--mono);background:var(--line-soft);padding:1px 5px;border-radius:4px}.dsa-seekho .input-row{display:flex;gap:10px;align-items:center;padding:12px 16px;border-top:1px solid var(--line);background:var(--panel-2);flex-wrap:wrap}.dsa-seekho .input-row label{font-size:12px;color:var(--text-faint);font-family:var(--mono)}.dsa-seekho .input-row input{background:var(--panel);border:1px solid var(--line);color:var(--text);border-radius:7px;padding:7px 10px;font-family:var(--mono);font-size:12.5px;width:190px}.dsa-seekho .input-row input:focus{outline:none;border-color:var(--brand)}.dsa-seekho .run-btn{background:var(--brand);color:#fff;border:none;border-radius:7px;padding:8px 16px;font-size:12.5px;font-weight:600;cursor:pointer;font-family:var(--sans)}.dsa-seekho .run-btn:hover{background:#7d8bff}.dsa-seekho .input-err{color:var(--coral);font-size:11.5px;font-family:var(--mono)}.dsa-seekho .grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:22px}@media (max-width:880px){.dsa-seekho .grid-2{grid-template-columns:1fr}}.dsa-seekho .panel{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:16px 18px}.dsa-seekho .panel h3{font-size:13.5px;margin:0 0 12px;display:flex;align-items:center;gap:8px}.dsa-seekho .cx-badges{display:flex;gap:10px}.dsa-seekho .cx-badge{flex:1;text-align:center;padding:14px 10px;border-radius:9px;background:var(--panel-2);border:1px solid var(--line)}.dsa-seekho .cx-badge .val{font-family:var(--mono);font-size:19px;font-weight:700;color:var(--brand)}.dsa-seekho .cx-badge .lbl{font-size:11px;color:var(--text-faint);margin-top:4px}.dsa-seekho .mistake-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}.dsa-seekho .mistake-list li{font-size:12.8px;color:var(--text-dim);padding-left:20px;position:relative;line-height:1.5}.dsa-seekho .mistake-list li:before{content:"⚠";position:absolute;left:0;color:var(--amber);font-size:12px}.dsa-seekho .trace-panel{margin-bottom:22px}.dsa-seekho .trace-log{max-height:220px;overflow-y:auto;display:flex;flex-direction:column;gap:6px}.dsa-seekho .trace-item{font-family:var(--mono);font-size:12px;padding:7px 10px;border-radius:7px;background:var(--panel-2);color:var(--text-faint);border-left:2px solid transparent;cursor:pointer}.dsa-seekho .trace-item:hover{background:var(--line-soft)}.dsa-seekho .trace-item.current{border-left-color:var(--brand);color:var(--text);background:rgba(108,123,255,.09)}.dsa-seekho .real-world{margin-bottom:10px}.dsa-seekho .rw-list{display:flex;flex-wrap:wrap;gap:8px}.dsa-seekho .rw-chip{font-size:12px;padding:6px 12px;border-radius:20px;background:var(--panel-2);border:1px solid var(--line);color:var(--text-dim)}.dsa-seekho .note{font-size:12px;color:var(--text-faint);border:1px dashed var(--line);border-radius:10px;padding:12px 14px;line-height:1.6;margin-top:6px}.dsa-seekho .note b{color:var(--text-dim)}.dsa-seekho footer.arch-note{margin-top:36px;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--text-faint);line-height:1.7}.dsa-seekho footer.arch-note b{color:var(--text-dim)}.dsa-seekho ::-webkit-scrollbar{width:9px;height:9px}.dsa-seekho ::-webkit-scrollbar-thumb{background:var(--line);border-radius:5px}.dsa-seekho ::-webkit-scrollbar-track{background:transparent}@media (max-width:880px){.dsa-seekho .layout{flex-direction:column}.dsa-seekho .sidebar{width:100%;border-right:none;border-bottom:1px solid var(--line);max-height:200px}.dsa-seekho .progress-hero,.dsa-seekho .why-grid{grid-template-columns:1fr 1fr}.dsa-seekho .main{padding:18px 16px 40px}.dsa-seekho .topbar{padding:12px 14px}}