:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;color:#203b38;background:#f4f6f2;font-synthesis:none;--teal:#087d70;--border:#dce4dc}
.github-link{color:var(--teal);font-size:13px;font-weight:600;text-decoration:none;padding:8px 14px;border:1px solid var(--border);border-radius:20px;white-space:nowrap}.github-link:hover{background:#e8eee7}.github-link:focus-visible{outline:2px solid var(--teal);outline-offset:3px}
*{box-sizing:border-box}body{margin:0}main{max-width:1480px;margin:auto;padding:28px 40px}header{display:flex;align-items:center;justify-content:space-between;padding-bottom:24px;border-bottom:1px solid var(--border)}.brand{font-size:23px;font-weight:750;text-decoration:none;color:inherit;letter-spacing:-1px}.brand span{color:#20a694;margin-right:12px}.badge,.eyebrow{font-size:12px;letter-spacing:2px;color:#667c72}.badge{background:#e8eee7;padding:8px 13px;border-radius:20px}.intro{padding:35px 0 20px}.eyebrow{color:var(--teal);font-weight:700}h1{font-size:clamp(26px,3vw,40px);letter-spacing:-1px;margin:12px 0}h1 span{color:var(--teal)}.intro>p:last-child{color:#718077;font-size:14px}#message{min-height:40px;background:#e9f1e8;border:1px solid #d5e5d6;border-radius:9px;padding:11px 15px;font-size:13px;margin:8px 0 20px}#message.error{background:#fff0ec;border-color:#f0c5ba;color:#a43b2d}.workspace{display:grid;grid-template-columns:1fr 1fr;gap:22px}.panel{background:#fff;border:1px solid var(--border);border-radius:16px;padding:25px;min-width:0;box-shadow:0 5px 20px #1a453507}.panel-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:24px}h2{font-size:17px;margin:0;display:flex;align-items:center;gap:10px}.number{font:12px ui-monospace,monospace;background:#eef4ef;color:var(--teal);border-radius:6px;padding:6px}.muted{font-size:12px;color:#7c8b83}fieldset{border:0;padding:0;margin:0;min-width:0}.toolbar{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:14px}label{font-size:13px;color:#6b7f75}input,select,button{font:inherit}input,select{border:1px solid #d9e2db;border-radius:6px;color:#203b38;background:white;padding:8px}input[type=number]{width:60px;margin-left:5px}button{padding:9px 12px;border:1px solid #d9e2db;border-radius:7px;background:#fff;color:#3b554a;cursor:pointer;font-size:13px;transition:background .15s}button:hover:enabled{background:#edf5ef;border-color:#8bbbaa}button:disabled{opacity:.45;cursor:default}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #17a392;outline-offset:2px}.presets{margin-bottom:25px}.presets select{font-size:12px;max-width:100%}.matrix-scroll{overflow:auto;padding:12px 4px 18px}.matrix{display:grid;gap:7px;width:max-content;min-width:0;border-left:2px solid #aac5b8;border-right:2px solid #aac5b8;padding:12px 14px;margin:auto;position:relative}.input-matrix input{width:66px;text-align:center;padding:10px 4px;font:14px ui-monospace,SFMono-Regular,monospace;background:#f8faf7}.input-matrix input[aria-invalid=true]{border-color:#d55c47;background:#fff1ed}.hint{font-size:12px;line-height:1.9;color:#7b8b81;margin:15px 0}.actions{display:flex;gap:10px;margin-top:24px}.primary{background:var(--teal);color:white;border-color:var(--teal);padding:12px 22px;min-width:160px;display:flex;justify-content:space-between;gap:25px}.primary:hover:enabled{background:#066659;color:white}.limits{font-size:11px;color:#8b988e;margin:15px 0 0}.precision{display:flex;gap:6px;align-items:center;font-size:11px}.precision select{font-size:11px;padding:5px}.empty{min-height:320px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;color:#8b9c91}.empty-icon{font:42px ui-monospace,monospace;color:#b4cbbd;margin:20px}.empty h3{font-size:16px;color:#638071}.empty p{font-size:13px;line-height:2}.result-caption{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;margin-bottom:18px}.output-matrix{gap:5px}.cell{min-width:70px;text-align:right;padding:10px 7px;font:13px ui-monospace,SFMono-Regular,monospace;border-radius:4px;white-space:nowrap}.cell.zero{color:#9aaba0}.cell.pivot-row{background:#e5f3ee;color:#087d70}.cell.changed{animation:flash .8s ease-out;background:#fff4d9}.cell.pivot-row.changed{background:#d6efe5}.legend{display:flex;align-items:center;gap:7px;color:#85948a;font-size:11px;margin:17px 0 24px}.dot{width:8px;height:8px;border-radius:2px;display:inline-block}.pivot-dot{background:#b6dfcf}.change-dot{background:#f4d485;margin-left:12px}.playback{display:flex;gap:7px;flex-wrap:wrap}#step-slider{width:100%;padding:0;margin:22px 0 0;accent-color:var(--teal)}footer{display:flex;justify-content:space-between;color:#8a988e;font-size:11px;margin-top:26px;line-height:1.8}@keyframes flash{from{box-shadow:inset 0 0 0 1px #c5a54b}to{box-shadow:inset 0 0 0 1px transparent}}[hidden]{display:none!important}@media(min-width:1100px){.workspace{grid-template-columns:1.05fr 1fr}}@media(max-width:900px){main{padding:20px}.workspace{grid-template-columns:1fr}.intro{padding-top:22px}.panel{padding:20px}.badge{font-size:10px;letter-spacing:0}footer{gap:16px;flex-wrap:wrap}}