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

body {
    background-color: #f4f7fc;
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

/* Header & Navigasi */
header {
    background-color: #0056b3;
    color: #fff;
    padding: 15px 0;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    font-size: 24px;
    font-weight: bold;
}

.logo span {
    color: #82b1ff;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    transition: 0.3s;
}

nav ul li a:hover, nav ul li a.active {
    background-color: #004085;
    color: #e6f0fa;
}

/* Main Content */
main {
    flex: 1;
    padding: 30px 0;
}

h2 {
    margin-bottom: 20px;
    color: #004085;
}

/* Welcome & Stats Card */
.welcome {
    background-color: #e6f0fa;
    padding: 20px;
    border-left: 5px solid #0056b3;
    border-radius: 4px;
    margin-bottom: 30px;
}

.stats {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    flex: 1;
    border-top: 4px solid #0056b3;
}

.card h3 {
    font-size: 16px;
    color: #666;
    margin-bottom: 10px;
}

.card h4 {
    font-size: 24px;
    color: #0056b3;
}

/* Formulir & Tabel Container */
.form-container, .table-container {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    outline: none;
}

.form-group input:focus, .form-group select:focus {
    border-color: #0056b3;
}

/* Tombol / Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    text-decoration: none;
    text-align: center;
}

.btn-primary { background-color: #0056b3; color: white; }
.btn-primary:hover { background-color: #004085; }
.btn-secondary { background-color: #6c757d; color: white; margin-left: 10px; }

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
    text-decoration: none;
    border-radius: 3px;
    color: #fff;
    font-weight: bold;
}
.btn-warning { background-color: #ffc107; color: #333; }
.btn-danger { background-color: #dc3545; }
.btn-success { background-color: #28a745; }

/* Tabel */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

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

table th {
    background-color: #f2f2f2;
    color: #0056b3;
}

/* Notifikasi Alerts & Badge */
.alert {
    padding: 12px;
    margin-bottom: 20px;
    border-radius: 4px;
}
.alert-success { background-color: #d4edda; color: #155724; }
.alert-danger { background-color: #f8d7da; color: #721c24; }

.badge {
    padding: 3px 8px;
    border-radius: 20px;
    font-size: 11px;
}
.badge-warning { background-color: #ffeeba; color: #856404; }

/* Footer */
footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 15px 0;
    margin-top: auto;
}

/* Responsive CSS */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 10px;
    }
    nav ul {
        width: 100%;
        justify-content: center;
    }
    .stats {
        flex-direction: column;
    }
}