/* Custom CSS - EduSpark */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
    transition: background-color 0.3s, color 0.3s;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.nav-link {
    transition: color 0.3s, background-color 0.3s;
}

/* Style untuk Mode Gelap (Dark Mode) */
.dark-mode {
    background-color: #121212 !important;
    color: #ffffff !important;
}

.dark-mode .card, 
.dark-mode .table, 
.dark-mode footer {
    background-color: #1e1e1e !important;
    color: #ffffff !important;
}

.dark-mode .table-striped>tbody>tr:nth-of-type(odd)>* {
    color: #ffffff;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #0d6efd, #0dcaf0);
    color: white;
    padding: 60px 0;
    border-radius: 0 0 20px 20px;
}

/* Styling Tab Navigasi Kapsul */
.course-tabs .nav-link {
    color: #495057;
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 50px;
    padding: 10px 24px;
    font-weight: 600;
    margin: 0 5px;
    transition: all 0.3s ease;
}

.course-tabs .nav-link.active,
.course-tabs .nav-link:hover {
    background-color: #0d6efd;
    color: #ffffff;
    border-color: #0d6efd;
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.25);
}

/* Styling Kartu Kursus (Course Card) */
.course-card {
    border-radius: 16px !important;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background-color: #ffffff;

}

.course-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1) !important;
}

/* Background Soft Pastel untuk Area Header Gambar */
.card-img-header {
    border-radius: 12px;
    margin: 12px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-img-header img {
    max-height: 100%;
    width: 100%;
    object-fit: cover;
}

.bg-soft-purple { background-color: #f0eafc; }
.bg-soft-blue   { background-color: #e6f0ff; }
.bg-soft-green  { background-color: #e6f7ed; }
.bg-soft-orange { background-color: #fff2e6; }

/* Kustomisasi Mode Gelap untuk Tab & Card */
.dark-mode .course-card {
    background-color: #1e1e1e !important;
    color: #ffffff !important;
}

.dark-mode .course-tabs .nav-link {
    background-color: #2a2a2a;
    color: #cccccc;
    border-color: #333333;
}

.dark-mode .course-tabs .nav-link:hover,
.dark-mode .course-tabs .nav-link.active {
    background-color: #0d6efd;
    color: #ffffff;
}

.dark-mode .course-meta {
    color: #b0b0b0 !important;
}

.bg-audio {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    width: 250px;
    height: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}