:root {
    --primary: #2c6bed;
    --primary-light: #e3ecff;
    --secondary: #6c757d;
    --success: #28a745;
    --light: #f8f9fa;
    --dark: #343a40;
    --border: #dee2e6;
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: #f5f7fb;
    color: #333;
    padding-bottom: 60px;
}

.navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
}

.card {
    border-radius: 10px;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    margin-bottom: 30px;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.card-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border);
    background-color: white;
}

.table th {
    font-weight: 600;
    color: var(--dark);
    background-color: var(--light);
    padding: 12px 15px;
}

.table td {
    padding: 10px 15px;
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background-color: var(--primary-light);
}

#sortProvinsi:hover {
    background-color: var(--primary-light);
}

.pagination .page-item.active .page-link {
    background-color: var(--primary);
    border-color: var(--primary);
}

.pagination .page-link {
    color: var(--primary);
    padding: 6px 12px;
    min-width: 36px;
    text-align: center;
}

.pagination .page-link:hover {
    color: var(--primary);
    background-color: var(--primary-light);
}

#resultInfo {
    font-size: 0.9rem;
}

.input-group-text {
    background-color: var(--light);
    border: 1px solid var(--border);
}

.btn-outline-primary {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline-primary:hover {
    background-color: var(--primary);
    color: white;
}

.dropdown-menu {
    max-height: 300px;
    overflow-y: auto;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.dropdown-item:hover {
    background-color: var(--primary-light);
    color: var(--primary);
}

/* Loading spinner */
.spinner-container {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.spinner {
    width: 3rem;
    height: 3rem;
    border: 0.25em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border .75s linear infinite;
    color: var(--primary);
}

@keyframes spinner-border {
    to { transform: rotate(360deg); }
}

/* Footer */
footer {
    background-color: #e9ecef;
    margin-top: 40px;
    border-top: 1px solid var(--border);
}

/* Responsive styles */
@media (max-width: 768px) {
    .card-header .col-md-6 {
        margin-bottom: 10px;
        text-align: left !important;
    }

    .card-header .col-md-6.text-md-end {
        text-align: left !important;
    }

    .d-flex {
        flex-direction: column;
        align-items: center;
    }

    #resultInfo {
        margin-bottom: 15px;
        text-align: center;
    }

    .table-responsive {
        border: 1px solid var(--border);
        border-radius: 8px;
    }
}

@media (max-width: 576px) {
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }

    .pagination .page-item {
        margin: 2px;
    }

    .row > div {
        margin-bottom: 10px;
    }

    .alert {
        font-size: 0.9rem;
    }

    .navbar-brand {
        font-size: 1rem;
    }
}

/* Button styling */
.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
}

.btn-primary:hover {
    background-color: #1a56db;
    border-color: #1a56db;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.85rem;
}

/* Alert styling */
.alert-info {
    background-color: #e0f2fe;
    border-color: #bae6fd;
    color: #0369a1;
}

/* Table styling */
.table-hover tbody tr {
    transition: background-color 0.2s ease;
}