/* Course Section Specific Styles */

/* Filter Bar */
.filter-btn {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.filter-btn:hover, .filter-btn.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* Course Card */
.course-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.3);
}

.course-img-wrapper {
    position: relative;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
    overflow: hidden;
}

.course-img-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.course-card:hover .course-img-wrapper img {
    transform: scale(1.1);
}

.course-type-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    z-index: 2;
}

.price-tag {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.original-price {
    text-decoration: line-through;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Product Details Page */
.product-hero {
    background: linear-gradient(to bottom, rgba(30, 41, 59, 0.5), rgba(15, 23, 42, 0.8));
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.product-thumbnail {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.curriculum-list .list-group-item {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
}

/* Cart Page */
.cart-table {
    color: var(--text-primary);
}
.cart-table th {
    border-bottom: 1px solid rgba(255,255,255,0.1);
    color: var(--text-secondary);
}
.cart-table td {
    border-bottom: 1px solid rgba(255,255,255,0.05);
    vertical-align: middle;
}
.cart-img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: 6px;
}

/* Auth Pages */
.auth-container {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-card {
    width: 100%;
    max-width: 450px;
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.form-control-auth {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 12px 20px;
    border-radius: 12px;
}

.form-control-auth:focus {
    background: rgba(15, 23, 42, 0.8);
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
    color: white;
}