/* Reset Dasar */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f4f6f9;
    color: #333;
    line-height: 1.6;
}

/* Header & Banner Utama */
header {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: #fff;
    padding: 20px;
    text-align: center;
}

header h1 {
    font-size: 1.8rem;
    letter-spacing: 1px;
}

header p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Menu Navigasi di Bawah Header */
nav {
    background-color: #ffffff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    padding: 10px 0;
}

nav a {
    color: #2a5298;
    text-decoration: none;
    padding: 8px 16px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

nav a:hover {
    background-color: #2a5298;
    color: #fff;
    border-radius: 4px;
}

/* Kontainer Utama */
.container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 15px;
}

/* Desain Tabel Minimalis & Responsif */
.table-responsive {
    overflow-x: auto;
    background: #fff;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #2a5298;
    color: white;
}

tr:hover {
    background-color: #f1f5f9;
}

/* Form Styling */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

/* Tombol Akses */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #2a5298;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
}

.btn:hover {
    background-color: #1e3c72;
}

/* Responsivitas Perangkat HP (Lebar Maksimal 768px) */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        align-items: center;
    }
    nav a {
        width: 100%;
        text-align: center;
        padding: 12px;
    }
    header h1 {
        font-size: 1.4rem;
    }
}