/* Rak Buku Digital Styles */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fa;
}

/* Rak Card Style */
.rak-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    border-radius: 12px;
    overflow: hidden;
}

.rak-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.rak-card .rak-icon i {
    transition: color 0.3s ease;
}

.rak-card:hover .rak-icon i {
    color: var(--secondary-color) !important;
}

/* Buku Card Style */
.buku-card {
    transition: all 0.3s ease;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
}

.buku-card:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

/* Header Style */
.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Footer Style */
footer {
    background-color: var(--primary-color);
    color: white;
    margin-top: 50px;
}

/* Breadcrumb Style */
.breadcrumb {
    background: transparent;
    padding: 0;
}

/* Search Box */
.search-box:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(52,152,219,0.25);
}

/* DDC Badge */
.ddc-badge {
    background-color: #e9ecef;
    color: var(--primary-color);
    font-family: monospace;
    font-size: 0.85rem;
    padding: 3px 8px;
    border-radius: 15px;
}