*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:#f5f7fb}.page{min-height:100vh;display:flex;justify-content:center;align-items:center;padding:16px}.card{width:100%;max-width:430px;background:#fff;border-radius:20px;padding:20px;box-shadow:0 10px 30px #00000014}.card-header{text-align:center;margin-bottom:20px}.logo-banner{width:100%;max-width:240px;height:auto;display:block;margin:0 auto 14px;border-radius:14px}.card-header h1{margin:0;font-size:24px;line-height:1.35;color:#222}.subtitle{margin:8px 0 0;font-size:13px;line-height:1.5;color:#777}.label{display:block;margin:14px 0 8px;font-size:14px;font-weight:600;color:#333}textarea{width:100%;padding:12px 14px;border:1px solid #d9dee7;border-radius:12px;font-size:14px;outline:none;resize:vertical;min-height:120px}textarea:focus{border-color:#d98da0}.upload-box{display:block;width:100%;padding:14px;border:1px dashed #c9cfda;border-radius:12px;background:#fafbfc;text-align:center;cursor:pointer;color:#555}.upload-box input{display:none}.preview{margin-top:12px}.preview img{width:100%;max-height:260px;object-fit:cover;border-radius:12px;display:block}button{width:100%;margin-top:18px;padding:13px 16px;border:none;border-radius:12px;background:#e58ea2;color:#fff;font-size:15px;font-weight:600;cursor:pointer}button:disabled{opacity:.7;cursor:not-allowed}.success{margin-top:12px;color:#1b8a4b;font-size:14px}.error{margin-top:12px;color:#c62828;font-size:14px}@media (max-width: 480px){.card{padding:16px;border-radius:16px}.logo-banner{max-width:200px}.card-header h1{font-size:21px}}
