body {
    background: url('../image/bcg.jpg') no-repeat center center fixed;
    background-size: cover;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
}

/* Card login */
.login-card {
    max-width: 380px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0px 8px 20px rgba(0, 0, 0, 0.3);
    animation: fadeIn 1s ease-in-out;
}

/* Logo */
.login-logo {
    display: block;
    margin: 0 auto 15px auto;
    width: 80px;
    height: 80px;
}

/* Judul */
h3 {
    font-weight: bold;
    text-align: center;
    margin-bottom: 20px;
}

/* Tombol */
.btn-primary {
    background: #0066cc;
    border: none;
    transition: all 0.3s ease-in-out;
}
.btn-primary:hover {
    background: #004999;
    transform: scale(1.02);
}

/* Animasi masuk */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ======================
   RESPONSIVE DESIGN
   ====================== */
@media (max-width: 576px) {
    body {
        background: #f1f1f1 url('../image/bcg.jpg') no-repeat center top;
        background-size: cover;
    }
    .login-card {
        max-width: 100%;
        padding: 20px;
        border-radius: 10px;
        margin: 10px;
    }
    .login-logo {
        width: 60px;
        height: 60px;
    }
    h3 {
        font-size: 18px;
    }
}