.matrixcalc-container{font-family:'Inter',system-ui,-apple-system,sans-serif;max-width:1000px;margin:20px auto;border:3px solid #111;border-radius:12px;box-shadow:6px 6px 0 #111;padding:30px;background:#fff;color:#111;box-sizing:border-box}.matrixcalc-container *{box-sizing:border-box}.matrixcalc-title{font-family:'Montserrat',sans-serif;font-size:2rem;text-align:center;text-transform:uppercase;margin-top:0;margin-bottom:10px;font-weight:900}.matrixcalc-desc{text-align:center;color:#444;font-weight:600;margin-bottom:30px;line-height:1.5}.matrixcalc-layout{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-bottom:25px}.matrixcalc-panel{border:3px solid #111;border-radius:10px;padding:20px;box-shadow:4px 4px 0 #111;display:flex;flex-direction:column}.bg-yellow{background-color:#fdfd96}.bg-green{background-color:#e2f0cb}.bg-blue{background-color:#b5ead7!important}.matrixcalc-header{display:flex;flex-direction:column;gap:15px;border-bottom:3px dashed #111;padding-bottom:15px;margin-bottom:20px}.matrixcalc-name{margin:0;font-family:'Montserrat',sans-serif;font-size:1.2rem;font-weight:900;text-align:center}.matrixcalc-controls{display:flex;justify-content:space-around;gap:10px;flex-wrap:wrap}.matrixcalc-dim-group{display:flex;align-items:center;gap:5px;font-weight:700;font-size:.9rem}.matrixcalc-btn-dim{width:28px;height:28px;background-color:#fff;border:2px solid #111;border-radius:4px;font-weight:900;cursor:pointer;box-shadow:2px 2px 0 #111;display:flex;align-items:center;justify-content:center;padding:0}.matrixcalc-btn-dim:active{transform:translate(2px,2px);box-shadow:0 0 0 #111}.matrixcalc-dim-val{width:20px;text-align:center;font-family:'Montserrat',monospace;font-size:1.1rem}.matrixcalc-grid-wrapper{flex:1;display:flex;justify-content:center;align-items:center;background-color:#fff;border:3px solid #111;border-radius:8px;padding:15px;overflow-x:auto;box-shadow:inset 3px 3px 0 rgb(0 0 0 / .05);margin-bottom:15px}.matrixcalc-grid{display:grid;gap:5px;position:relative;padding:5px 15px}.matrixcalc-grid::before,.matrixcalc-grid::after{content:"";position:absolute;top:0;bottom:0;width:10px;border:3px solid #111}.matrixcalc-grid::before{left:0;border-right:none}.matrixcalc-grid::after{right:0;border-left:none}.matrixcalc-input-cell{width:50px;height:40px;text-align:center;font-family:'Courier New',Courier,monospace;font-weight:800;font-size:1.1rem;border:2px solid #111;border-radius:4px;outline:none}.matrixcalc-input-cell:focus{background-color:#e6f7ff;border-color:#2d7bb5}.matrixcalc-res-cell{min-width:50px;height:40px;display:flex;align-items:center;justify-content:center;font-family:'Courier New',Courier,monospace;font-weight:900;font-size:1.2rem;padding:0 5px;background:#fff0}.matrixcalc-btn-unary{background-color:#fff;border:2px solid #111;border-radius:6px;padding:10px;font-weight:800;font-family:'Montserrat',sans-serif;cursor:pointer;box-shadow:2px 2px 0 #111;transition:transform 0.1s}.matrixcalc-btn-unary:active{transform:translate(2px,2px);box-shadow:0 0 0 #111}.matrixcalc-actions{display:flex;flex-wrap:wrap;gap:15px;justify-content:center;padding:20px;background-color:#f4f4f4;border:3px dashed #111;border-radius:10px}.matrixcalc-btn-op,.matrixcalc-btn-clear{font-family:'Montserrat',sans-serif;font-weight:900;font-size:1rem;padding:15px 25px;border:3px solid #111;border-radius:8px;cursor:pointer;box-shadow:4px 4px 0 #111;transition:transform 0.1s}.matrixcalc-btn-op{background-color:#fff}.matrixcalc-btn-clear{background-color:#eceae4}.matrixcalc-btn-op:active,.matrixcalc-btn-clear:active{transform:translate(4px,4px);box-shadow:0 0 0 #111}.matrixcalc-result-panel{margin-top:30px;border:3px solid #111;border-radius:10px;padding:25px;background-color:#fff;box-shadow:4px 4px 0 #111;text-align:center}.matrixcalc-result-title{font-family:'Montserrat',sans-serif;margin:0 0 20px 0;font-size:1.3rem}.result-bg{background-color:#e6f7ff;box-shadow:none;border:3px dashed #111}.matrixcalc-error{color:#e05a47;font-weight:800;font-size:1rem;text-align:center;background-color:#ffe6e6;border:2px dashed #e05a47;padding:15px;border-radius:6px;display:none}@media (max-width:850px){.matrixcalc-layout{grid-template-columns:1fr}.matrixcalc-input-cell{width:40px;height:35px;font-size:1rem}.matrixcalc-actions{flex-direction:column;align-items:stretch}}