* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}
body {
    background: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

/* Kepala Halaman */
.menu-atas {
    background: #222;
    color: #fff;
    padding: 0.8rem 1.2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    position: relative;
}
.logo {
    font-weight: bold;
    font-size: 1.1rem;
    margin-right: 2rem;
}

/* Tombol menu untuk HP */
.tombol-menu {
    display: none;
    background: #333;
    color: #fff;
    border: none;
    font-size: 1.2rem;
    padding: 0.4rem 0.8rem;
    cursor: pointer;
    border-radius: 4px;
}

/* Daftar menu */
.menu-turun {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.menu-turun li {
    position: relative;
}
.menu-turun a {
    color: #fff;
    text-decoration: none;
    padding: 0.4rem 0;
    display: block;
}
.menu-turun a:hover {
    text-decoration: underline;
}

/* Isi halaman */
.isi {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1.2rem;
}

.kartu-saldo {
    background: linear-gradient(135deg, #2e7d32, #43a047);
    color: #fff;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 2rem;
}
.nilai-saldo {
    font-size: 2.2rem;
    font-weight: bold;
    margin-top: 0.5rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    border-radius: 6px;
    overflow-x: auto;
    display: block;
    margin-bottom: 2rem;
}
th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #eee;
    white-space: nowrap;
}
th {
    background: #f8f9fa;
    font-weight: bold;
}

/* Tampilan khusus HP */
@media (max-width: 768px) {
    .tombol-menu {
        display: block;
    }
    .menu-turun {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0.5rem;
        margin-top: 1rem;
        padding: 0.5rem 0;
        border-top: 1px solid #444;
    }
    .menu-turun.tampil {
        display: flex;
    }
    .kartu-saldo {
        padding: 1.5rem;
    }
    .nilai-saldo {
        font-size: 1.8rem;
    }
    th, td {
        padding: 0.8rem;
        font-size: 0.9rem;
    }
}