input[type="color"] { width: 100%; height: 46px; padding: 4px; border: 1.5px solid var(--border); border-radius: 10px; background: #fff; cursor: pointer; }
textarea { min-height: 80px; }
.qr-wrap { display: flex; justify-content: center; margin: 18px 0; }
.qr-wrap canvas { border: 1px solid var(--border); border-radius: 12px; max-width: 100%; }