:root{--bg:#070707}body{font-family:DM Sans,system-ui,-apple-system,Arial,sans-serif;background:var(--bg);color:#fff;margin:0;padding:24px}.app{max-width:980px;margin:0 auto}.controls{display:flex;gap:12px;align-items:flex-start}.panel{background:#0b0b0b;padding:12px;border-radius:8px;border:1px solid rgba(255,255,255,.04)}.preview{width:320px;height:320px;max-width:100%;aspect-ratio:1/1}.small{font-size:12px;color:#cfcfcf}textarea{min-height:56px}.slides-grid{max-height:360px;overflow:auto;padding-right:8px;display:grid;grid-template-columns:1fr 1fr;gap:10px}@media (max-width: 800px){body{padding:16px}.app{padding:0 6px}.controls{flex-direction:column}.panel{width:100%}.preview{width:100%;max-width:440px}.slides-grid{grid-template-columns:1fr}}@media (max-width: 420px){body{padding:12px}.preview{width:100%;max-width:360px}.panel{padding:10px}}