.mat-wrap{max-width:560px;margin:0 auto;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:#1a1a1a}
.mat-header{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.mat-icon{font-size:34px;line-height:1}
.mat-title{font-size:22px!important;font-weight:600!important;margin:0 0 3px!important;padding:0!important;border:none!important;color:#1a1a1a!important}
.mat-sub{font-size:13px;color:#666;margin:0}
.mat-size-row{display:flex;align-items:center;gap:8px;margin-bottom:16px}
.mat-lbl{font-size:13px;font-weight:500;color:#555}
.mat-sbtn{padding:7px 14px;font-size:13px;font-weight:500;border:1px solid #d0d0d0;border-radius:8px;background:#fff;color:#555;cursor:pointer}
.mat-sbtn.act{background:#ede9fe;color:#5B21B6;border-color:#a78bfa;font-weight:700}
.mat-matrices{display:flex;align-items:center;gap:10px;justify-content:center;flex-wrap:wrap}
.mat-matrix-box{background:#fafafa;border:1px solid #e8e8e8;border-radius:10px;padding:12px}
.mat-matrix-title{font-size:12px;font-weight:700;color:#555;text-align:center;margin-bottom:8px}
.mat-grid{display:grid;gap:6px}
.mat-grid input{width:48px;box-sizing:border-box;padding:7px;border:1px solid #d0d0d0;border-radius:6px;font-size:13px;text-align:center;font-family:monospace;-moz-appearance:textfield}
.mat-grid input::-webkit-inner-spin-button,.mat-grid input::-webkit-outer-spin-button{-webkit-appearance:none}
.mat-grid input:focus{border-color:#7C3AED;outline:none}
.mat-op-col{display:flex;align-items:center}
.mat-sel{padding:10px 8px;font-size:20px;font-weight:700;border:1px solid #d0d0d0;border-radius:8px;background:#fff;cursor:pointer}
.mat-result-card{background:linear-gradient(135deg,#7C3AED,#5B21B6);border-radius:12px;padding:18px 22px;color:#fff;margin-top:14px;text-align:center;animation:mat-in .22s ease}
@keyframes mat-in{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
.mat-res-title{font-size:13px;opacity:.8;margin-bottom:10px}
.mat-res-grid{display:inline-grid;gap:8px;margin:0 auto}
.mat-res-cell{background:rgba(255,255,255,.15);border-radius:6px;padding:8px 12px;font-family:monospace;font-weight:700;font-size:14px;min-width:50px}
.mat-error{color:#dc2626;font-size:13px;padding:10px;background:#fee2e2;border-radius:8px}