:root{--bg: #fdf6ec;--card: #ffffff;--ink: #2a2013;--muted: #7a6b58;--accent: #c98a1f;--accent-dark: #a26d12;--border: #e8ddc9;--radius: 12px}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}.app{max-width:720px;margin:0 auto;padding:20px 16px 40px;display:flex;flex-direction:column;gap:20px}.header h1{margin:0 0 4px;font-size:26px;letter-spacing:-.01em}.tagline{margin:0;color:var(--muted);font-size:14px;line-height:1.45}.section{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:12px}.section__title{margin:0;font-size:13px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.picker{display:flex;flex-wrap:wrap;gap:8px}.picker__item{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:#fff;color:var(--ink);padding:10px 14px;border-radius:999px;font-size:14px;cursor:pointer;transition:background .12s,border-color .12s}.picker__item:hover{border-color:var(--accent)}.picker__item.is-active{background:var(--accent);border-color:var(--accent);color:#fff}.form{display:flex;flex-direction:column;gap:12px}.form__field{display:flex;flex-direction:column;gap:6px}.form__label{font-size:13px;color:var(--muted)}.form__input{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:#fff;color:var(--ink);font-size:17px;padding:12px 14px;border-radius:10px;outline:none;transition:border-color .12s}.form__input:focus{border-color:var(--accent)}.preview{width:100%;aspect-ratio:1 / 1;background:repeating-conic-gradient(#f3ead8,#f3ead8 25%,#f8f1e0 0%,#f8f1e0 50%) 0 / 24px 24px;border-radius:10px;overflow:hidden;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:14px}.preview svg{width:100%;height:100%;display:block}.preview--loading{background:#f6efe0}.preview--error{background:#fff4f0;color:#a23a1f;padding:12px;text-align:center;font-size:13px;line-height:1.4}.section--download{background:transparent;border:none;padding:0}.download{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:var(--accent);color:#fff;padding:16px 18px;font-size:17px;font-weight:600;border-radius:12px;cursor:pointer;width:100%;transition:background .12s,transform .08s}.download:hover:not(:disabled){background:var(--accent-dark)}.download:active:not(:disabled){transform:translateY(1px)}.download:disabled{background:#d7cab1;cursor:not-allowed}@media (max-width: 480px){.app{padding:14px 12px 32px}.header h1{font-size:22px}.form__input{font-size:16px}}