body {
    background: url('/frontend/images/sport-bg4.png') no-repeat center center fixed;
    background-size: cover;
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    padding: 0;
}

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-box {
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 15px;
    color: #fff;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    max-width: 420px;
    width: 100%;
}
.ball-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw; /* penuh lebar layar */
    height: 100vh; /* penuh tinggi layar */
    object-fit: cover; /* biar proporsional */
    z-index: 5;
    pointer-events: none;
    opacity: 1; /* atau 0.8 jika ingin efek lembut */
}