*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Arial,sans-serif;background:radial-gradient(circle at top left,#eef2ff,#fdf2ff 40%,#f9fafb);color:#0f172a}.appShell{min-height:100vh;display:flex;flex-direction:column}.topbar{background:linear-gradient(90deg,#4f46e5,#ec4899);color:#fff;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px;box-shadow:0 12px 30px #0f172a4d}.branding h1{margin:0;font-size:1.4rem}.subtitle{margin:4px 0 0;font-size:.9rem;opacity:.9}.topbarActions{display:flex;align-items:center;gap:12px}.primaryButton,.secondaryButton{border-radius:999px;padding:8px 16px;font-size:.9rem;font-weight:600;border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:transform .08s ease,box-shadow .08s ease,background .15s ease}.primaryButton{background:#22c55e;color:#fff;box-shadow:0 8px 20px #22c55e66}.primaryButton:hover{transform:translateY(-1px);box-shadow:0 10px 25px #22c55e80}.secondaryButton{background:#0f172a1f;color:#fff}.secondaryButton:hover{background:#0f172a33}.toggleControl{display:inline-flex;align-items:center;gap:6px;font-size:.85rem}.toggleControl input[type=checkbox]{accent-color:#22c55e}.mainLayout{display:flex;gap:12px;padding:12px;height:calc(100vh - 72px)}.editorSection{width:50%;min-width:0;display:flex;flex-direction:column;gap:8px}.sectionHeader{font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:#4b5563}.outputSection{width:50%;min-width:0;display:flex;flex-direction:column;gap:12px}.editorCanvas{flex:1;border-radius:16px;overflow:hidden;box-shadow:0 14px 30px #0f172a40;background:#fff}.panel{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 8px 20px #0f172a1f;display:flex;flex-direction:column}.panelHeader{padding:10px 14px;background:linear-gradient(90deg,#0f172a,#111827);color:#e5e7eb;font-weight:600;font-size:.9rem}.previewFrame{width:100%;height:220px;border:none;background:#f9fafb}.codeBlock{background:#020617;color:#e5e7eb;margin:10px;border-radius:12px;border:1px solid #1f2937;overflow:hidden}.codeBlockHeader{display:flex;justify-content:space-between;align-items:center;background:linear-gradient(90deg,#0f172a,#1f2937);color:#fff;padding:8px 12px;font-size:.85rem}.copyButton{background:#22c55e;border:none;color:#fff;padding:4px 10px;font-size:.75rem;border-radius:999px;cursor:pointer;font-weight:600;display:inline-flex;align-items:center;gap:4px}.copyButton:hover{background:#16a34a}pre{padding:12px;margin:0;overflow:auto;font-size:.8rem;line-height:1.5}@media (max-width: 960px){.mainLayout{flex-direction:column;height:auto}.editorSection,.outputSection{width:100%}.previewFrame{height:260px}}