.breadcrumb-item + .breadcrumb-item::before {
    color: #6c757d;
    content: "/";
}

.course-main-img img {
    transition: transform 0.5s ease;
}

.course-main-img:hover img {
    transform: scale(1.02);
}

.content-section h2 {
    font-weight: 700;
    position: relative;
    padding-bottom: 12px;
    margin-bottom: 20px;
}

.content-section h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--primary-yellow);
}

.text-gray {
    color: #cbd5e0 !important;
    font-size: 1.05rem;
}

.syllabus-content ul {
    padding-left: 1.2rem;
    color: #cbd5e0;
}

.syllabus-content li {
    margin-bottom: 8px;
}

aside .card {
    background: rgba(22, 26, 29, 0.9) !important;
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.bg-darker {
    background-color: #080a0c;
}

.x-small {
    font-size: 0.75rem;
}

/* Modal Styling */
.modal-content {
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.modal-header {
    background: rgba(255,255,255,0.02);
}

.form-control, .form-select {
    padding: 0.6rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    background-color: #1a1f23 !important;
    border-color: var(--primary-yellow) !important;
    box-shadow: 0 0 0 0.25rem rgba(248, 228, 28, 0.1) !important;
    color: white;
}

.form-control::placeholder {
    color: #4a5568;
}

@media (max-width: 991px) {
    aside {
        position: static !important;
        margin-top: 40px;
    }
}