.wvlab-lab{min-width:0;max-width:100%}.wvlab-lab .panel{min-width:0}.wvlab-label{display:block;font-weight:650;line-height:1.7;margin:13px 0 10px}.wvlab-notes{display:block;width:100%;box-sizing:border-box;border:1px solid var(--line,#d8dfd6);border-radius:9px;background:var(--card,#fffefa);color:var(--ink,#173440);font:inherit;font-size:16px;padding:14px;line-height:1.7;resize:vertical}.wvlab-notes:focus,.wvlab-input-grid input:focus,.wvlab-data-table input:focus{outline:2px solid #c9bb9a;outline-offset:2px}.wvlab-input-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:20px 0}.wvlab-input-grid label{display:block;font-size:13px;font-weight:600;line-height:1.7}.wvlab-input-grid input{display:block;box-sizing:border-box;width:100%;min-width:0;background:var(--card,#fffefa);color:var(--ink,#173440);border:1px solid var(--line,#d8dfd6);border-radius:8px;padding:12px;font:inherit;font-size:16px;margin-top:7px}.wvlab-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:20px 0}.wvlab-message,.wvlab-mode{padding:15px 17px;background:#f4efe3;border-left:3px solid #8a7143;border-radius:0 8px 8px 0;line-height:1.8;font-size:14px;margin:18px 0}.wvlab-warning{background:#fff2dc;border-left-color:#c6ac68;color:#805f26}.wvlab-result-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin:20px 0}.wvlab-result-grid>div{padding:17px;background:#f6f0e3;border:1px solid #e6dac1;border-radius:10px;overflow-wrap:anywhere}.wvlab-result-grid span,.wvlab-result-grid small{display:block;font-size:12px;color:var(--muted,#6b7879);line-height:1.6}.wvlab-result-grid strong{display:block;color:#806838;font-size:20px;line-height:1.6;margin-top:7px}.wvlab-chart{border:1px solid var(--line,#d8dfd6);border-radius:12px;background:var(--card,#fffefa);overflow:hidden;margin:20px 0}.wvlab-plot{display:block;width:100%;height:auto;max-width:100%;font:12px -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}.wvlab-plot text{fill:var(--muted,#6b7879)}.wvlab-plot .wvlab-axis-label{font-size:14px;font-weight:650;fill:var(--ink,#173440)}.wvlab-gridline{fill:none;stroke:var(--line,#d8dfd6);stroke-width:1}.wvlab-axis{fill:none;stroke:var(--muted,#6b7879);stroke-width:1.3}.wvlab-curve{fill:none;stroke:#8a7143;stroke-width:2.5}.wvlab-point{fill:#8a7143;stroke:var(--card,#fffefa);stroke-width:1}.wvlab-fitline{stroke:#b28b40;stroke-width:2.5}.wvlab-marker{fill:#b28b40;stroke:#fffefa;stroke-width:1.5}.wvlab-origin{fill:var(--teal,#226c68)}.wvlab-table-wrap{max-width:100%;overflow-x:auto;border:1px solid var(--line,#d8dfd6);border-radius:9px;margin:20px 0}.wvlab-table{width:100%;border-collapse:collapse;font-size:14px;min-width:410px}.wvlab-table th,.wvlab-table td{text-align:left;padding:11px 13px;border-bottom:1px solid var(--line,#d8dfd6);white-space:nowrap}.wvlab-table th{font-size:12px;background:#f4efe3}.wvlab-table tr:last-child td{border-bottom:0}.wvlab-data-table{min-width:385px}.wvlab-data-table input{box-sizing:border-box;width:100%;min-width:105px;max-width:190px;padding:10px;border:1px solid var(--line,#d8dfd6);background:var(--card,#fffefa);color:var(--ink,#173440);font:inherit;border-radius:7px}.wvlab-data-table th:first-child{width:28px}.wvlab-data-table .wvlab-remove{padding:5px 10px;min-width:35px;font-size:19px}.wvlab-invalid{background:#fff1e4}.wvlab-invalid input{border-color:#a44735}.wvlab-main-result{padding:23px;background:#f4efe3;border:1px solid #dfcfad;border-radius:11px;margin:18px 0}.wvlab-main-result>span{display:block;font-size:12px;color:var(--muted,#6b7879);margin-bottom:8px}.wvlab-main-result>strong{display:block;font-size:29px;color:#806838;line-height:1.5}.wvlab-main-result>p{margin:9px 0 0;font-size:14px;line-height:1.7}.wvlab-lab [hidden]{display:none!important}.wvlab-lab .math.block{max-width:100%;box-sizing:border-box}.wvlab-lab details>p{font-size:14px;line-height:1.85}
@media(max-width:1000px){.wvlab-result-grid{grid-template-columns:1fr}.wvlab-result-grid strong{font-size:22px}}
@media(max-width:760px){.wvlab-input-grid{grid-template-columns:1fr;gap:14px}.wvlab-lab .panel{padding:20px 16px}.wvlab-actions>*{width:100%;box-sizing:border-box;justify-content:center}.wvlab-main-result{padding:19px 16px}.wvlab-main-result>strong{font-size:25px}.wvlab-chart{margin-left:-4px;margin-right:-4px}.wvlab-table th,.wvlab-table td{padding:9px}.wvlab-notes{font-size:16px}.wvlab-result-grid{gap:10px}.wvlab-message,.wvlab-mode{font-size:13px;padding:13px}}

.wvlab-spring{display:flex;align-items:center;gap:0;min-height:100px;padding:20px;position:relative;background:#faf7ef;border:1px solid #e6dac1;border-radius:10px;overflow:hidden}.wvlab-spring .wall{font-weight:bold;letter-spacing:-3px;width:20px}.wvlab-spring .coil{height:20px;flex:1;background:repeating-linear-gradient(100deg,transparent 0 8px,#9d8b68 9px 11px,transparent 12px 18px)}.wvlab-spring .mass{width:64px;height:58px;border:2px solid #8a7143;background:#efe2c4;border-radius:7px;display:flex;align-items:center;justify-content:center;font-weight:650;flex-shrink:0}.wvlab-energy{display:flex;height:24px;border:1px solid #d1c19f;border-radius:5px;overflow:hidden;margin:10px 0}.wvlab-energy span{display:block;height:100%;min-width:0}.wvlab-energy .kinetic{background:#2e7770}.wvlab-energy .potential{background:#be9a4b}