.auth-container {
    max-width: 500px;
    margin: 50px auto;
    text-align: center;
    font-family: 'Inter', -apple-system, sans-serif;
}
.auth-card {
    border-radius: 15px;
    padding: 30px;
    border: 1px solid #fedf36;
}
.promo-badge {
    border-radius: 12px;
    padding: 10px 15px;
    margin: 0 auto 25px auto;
    max-width: max-content;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    font-size: 0.85rem;
    line-height: 1.2rem;
    color: #fedf36;
    font-weight: 400;
    background: rgba(255, 255, 255, 0.15)
}
.btn-auth-custom {
    display: block;
    width: 100%;
    max-width: 300px;
    margin: 10px auto;
    padding: 12px;
    font-size: 16px;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.2s;
}