.wu-modal-overlay {
    display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(10, 37, 64, 0.8); z-index: 99999; justify-content: center; align-items: center;
}
.wu-modal-content {
    background: #fff; padding: 40px; border-radius: 12px; width: 100%; max-width: 450px;
    position: relative; box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}
.wu-modal-close { position: absolute; top: 15px; right: 20px; font-size: 28px; cursor: pointer; color: #64748B; }
.wu-form-group { margin-bottom: 15px; }
.wu-form-group label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 5px; color: #1E293B; }
.wu-form-group input {
    width: 100%; padding: 12px; border: 1px solid #CBD5E1; border-radius: 8px;
    font-size: 15px; background: #F8FAFC; box-sizing: border-box;
}
.wu-form-group input:focus { border-color: #F97316; outline: none; background: #fff; }
.wu-btn-submit {
    width: 100%; background: #F97316; color: #fff; border: none; padding: 14px;
    font-size: 16px; font-weight: bold; border-radius: 8px; cursor: pointer; transition: background 0.3s;
}
.wu-btn-submit:hover { background: #EA580C; }
.wu-form-footer { text-align: center; margin-top: 15px; font-size: 14px; }
.wu-form-footer a { color: #F97316; font-weight: 600; text-decoration: underline; cursor: pointer; }
#wu-auth-message { padding: 10px; border-radius: 6px; }