main{flex:1;display:flex;flex-direction:column;align-items:center;padding:32px 24px}.container-wide{width:100%;max-width:1080px;display:flex;flex-direction:column;gap:24px}.title-section{text-align:center}.title{color:#fff;font-size:28px;font-weight:700;background:linear-gradient(135deg,#fff 0%,var(--text) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.matrix-layout{display:flex;flex-direction:column;gap:16px}.matrix-controls{display:flex;flex-wrap:wrap;gap:16px;align-items:center;background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:16px 20px}.matrix-dims{display:flex;align-items:center;gap:8px}.matrix-dims label{font-size:13px;font-weight:600;color:var(--muted)}.matrix-dims select{background:var(--bg3);border:1px solid var(--border);color:#fff;padding:6px 10px;border-radius:var(--r);outline:none;font-size:13px}.matrix-dims select:focus{border-color:var(--accent)}.matrix-ops{display:flex;flex-wrap:wrap;gap:6px}.matrix-panels{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}.matrix-a,.matrix-b,.matrix-result{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:10px}.matrix-grid{display:grid;gap:4px}.matrix-grid input{width:100%;background:var(--bg3);border:1px solid var(--border);color:#fff;padding:8px 4px;border-radius:4px;outline:none;font-family:JetBrains Mono,monospace;font-size:14px;text-align:center}.matrix-grid input:focus{border-color:var(--accent)}.matrix-grid input.result-cell{background:transparent;border-color:transparent;color:var(--accent);font-weight:700}.result-grid{pointer-events:none}.matrix-error{color:var(--error);font-size:13px;font-family:JetBrains Mono,monospace;min-height:20px}@media(max-width:768px){main{padding:20px 12px}.matrix-panels{grid-template-columns:1fr}.matrix-controls{flex-direction:column;align-items:flex-start}}