:root{--primary: #ff5a00;--border: #eee;--border-card: #e5e5e5;--text-secondary: #666;--error-color: #d00}.header-sticky{position:sticky;top:0;z-index:10;background:#fff;padding:12px;border-bottom:1px solid #eee;display:flex;align-items:center;justify-content:center}.card{width:100%;max-width:420px;border:1px solid #e5e5e5;border-radius:14px;padding:18px 16px}.page-title{text-align:center;font-size:20px;font-weight:800}.logo-wrap{width:100%;max-width:420px;display:flex;justify-content:center}.logo-img{width:120px;height:auto;object-fit:contain}.error{color:#d00;font-size:13px}