.opencv-layout{display:grid;grid-template-columns:minmax(380px,450px) 1fr;gap:16px}@media(max-width:1000px){.opencv-layout{grid-template-columns:1fr}}.panel-card{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:16px}.matrix-grid-editor{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px}.kernel-cell-val{padding:12px;border-radius:8px;border:1px solid var(--border);background:var(--bg3);color:var(--text);font-family:monospace;font-size:14px;text-align:center;width:100%}.kernel-cell-val:focus{outline:none;border-color:var(--accent)}.code-box{background:#0d1117;border-radius:8px;padding:16px;font-family:JetBrains Mono,monospace;font-size:12px;color:#adbac7;white-space:pre;border:1px solid var(--border);overflow:auto;line-height:1.6}.header-actions{display:flex;gap:4px}