/* CSS Variables */
:root {
    --bg-card: #1a1a2e;
    --border-color: #2d3748;
    --text-color: #ffffff;
    --text-muted: #a0aec0;
    --bg-color: #0f0f1a;
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* General card styles - Ultra smooth hover */
.card {
    background-color: var(--bg-card);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
    position: relative;
    transform: translate3d(0, 0, 0) !important;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.6s ease-out, box-shadow 0.6s ease-out !important;
    will-change: transform, box-shadow;
}

.card:hover {
    transform: translate3d(0, -4px, 0) !important;
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.15) !important;
}

.card-content {
    padding: 1.25rem;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.card-description {
    color: var(--text-muted);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.25rem;
    background-color: transparent;
}

/* Resource card specific styles */
.card-footer .text-sm {
    margin-left: 0.5rem;
}

/* Course card styles - Ultra smooth hover */
.course-card {
    display: flex;
    flex-direction: column;
    height: 400px; /* Taller cards to match home page */
    width: 240px; /* Narrower cards to match home page */
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    background-color: transparent;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin: 0 auto 10px; /* Center cards with reduced spacing */
    transform: translate3d(0, 0, 0) !important;
    transition: transform 0.6s ease-out, box-shadow 0.6s ease-out !important;
    will-change: transform, box-shadow;
}

.course-card:hover {
    transform: translate3d(0, -4px, 0) !important;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2) !important;
}

.course-card .card-image-container {
    position: relative;
    height: 100%;
    width: 100%;
}

.course-card .card-image {
    height: 100%;
    width: 100%;
    object-fit: cover;
    border-radius: 16px;
    transform: scale(1);
    transition: transform 0.8s ease-out;
    will-change: transform;
}

.course-card:hover .card-image {
    transform: scale(1.02);
}

.course-card .card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.7) 40%, rgba(0, 0, 0, 0.3) 70%, rgba(0, 0, 0, 0) 100%);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.course-card .card-title {
    color: white;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
    z-index: 1;
}

.course-card .card-action {
    opacity: 0;
    transform: translate3d(0, 10px, 0);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    margin-top: 16px;
    will-change: opacity, transform;
}

.course-card:hover .card-action {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

.course-card .card-footer {
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
    padding-top: 12px;
    margin-top: 5px;
    text-align: center;
}

.course-card .card-footer a {
    color: white;
    font-weight: 500;
    transition: color 0.5s ease-out;
}

.course-card .card-footer a:hover {
    color: #4f46e5;
}

/* Category carousel */
.category-carousel {
    margin-bottom: 20px;
    position: relative;
    width: 100%;
    overflow: visible !important;
}

.category-carousel .swiper {
    padding: 8px 4px;
    margin: 0 -8px;
    width: 100%;
    overflow: visible !important;
    height: auto !important;
}

.category-carousel .swiper-wrapper {
    display: flex !important;
    width: 100%;
    height: auto !important;
    transform: translate3d(0, 0, 0) !important;
}

/* Fix for desktop view */
/* Desktop view is now handled by Swiper */
@media (min-width: 1024px) {
    .category-carousel .swiper-wrapper {
        transform: translate3d(0, 0, 0) !important;
    }

    .category-carousel .swiper-slide {
        width: 240px !important;
    }
}

/* Fix for tablet view */
/* Tablet view is now handled by Swiper */
@media (min-width: 768px) and (max-width: 1023px) {
    .category-carousel .swiper-wrapper {
        transform: translate3d(0, 0, 0) !important;
    }

    .category-carousel .swiper-slide {
        width: 220px !important;
    }
}

.category-carousel .swiper-slide {
    width: 280px;
    height: 400px;
    flex-shrink: 0;
    /* Remove transition that conflicts with Swiper */
}

/* Ensure Swiper works correctly */
.category-carousel .swiper-wrapper {
    display: flex;
    align-items: stretch;
    transition-property: transform;
    box-sizing: content-box;
}

.category-carousel .swiper {
    overflow: hidden;
    position: relative;
}

.category-carousel .swiper-button-next,
.category-carousel .swiper-button-prev {
    color: #ffffff;
    background-color: rgba(124, 58, 237, 0.9);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.category-carousel .swiper-button-next:hover,
.category-carousel .swiper-button-prev:hover {
    background-color: rgba(124, 58, 237, 1);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

.category-carousel .swiper-button-next:after,
.category-carousel .swiper-button-prev:after {
    font-size: 18px;
    font-weight: bold;
}

.category-carousel .swiper-button-next {
    right: -20px;
}

.category-carousel .swiper-button-prev {
    left: -20px;
}

.category-carousel {
    position: relative;
    padding: 0 25px;
}

/* Responsive adjustments for carousels */
@media (max-width: 768px) {
    .category-carousel {
        padding: 0 20px; /* Reduce padding on mobile */
    }

    .category-carousel .swiper-slide {
        width: 200px;
        height: 350px;
    }

    .category-carousel .swiper {
        padding: 8px 2px;
    }

    .category-carousel .swiper-button-next,
    .category-carousel .swiper-button-prev {
        width: 36px;
        height: 36px;
    }

    .category-carousel .swiper-button-next {
        right: -18px;
    }

    .category-carousel .swiper-button-prev {
        left: -18px;
    }
}

@media (max-width: 480px) {
    .category-carousel {
        padding: 0 20px; /* More padding for navigation buttons */
    }

    .category-carousel .swiper-slide {
        width: 160px !important; /* Slightly wider to prevent overlap */
        height: 280px;
    }

    .category-carousel .swiper {
        padding: 8px 0;
        margin: 0;
    }

    .category-carousel .swiper-button-next,
    .category-carousel .swiper-button-prev {
        width: 32px;
        height: 32px;
    }

    .category-carousel .swiper-button-next:after,
    .category-carousel .swiper-button-prev:after {
        font-size: 14px;
    }

    .category-carousel .swiper-button-next {
        right: -16px;
    }

    .category-carousel .swiper-button-prev {
        left: -16px;
    }

    .course-card .card-title {
        font-size: 1rem;
    }

    .course-card .card-overlay {
        padding: 12px;
    }

    .course-card .card-footer {
        padding-top: 8px;
        margin-top: 3px;
    }

    .course-card .card-action {
        margin-top: 10px;
    }

    .btn {
        padding: 6px 12px;
        font-size: 0.875rem;
    }
    
    /* Mobile card hover optimizations */
    .card:hover,
    .course-card:hover {
        transform: translate3d(0, -2px, 0); /* Very subtle movement on mobile */
        box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    }
    
    .course-card:hover .card-image {
        transform: scale(1.01); /* Minimal zoom on mobile */
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .card:hover,
    .course-card:hover {
        transform: none; /* Disable hover effects on touch devices */
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }
    
    .course-card .card-action {
        opacity: 1; /* Always show action buttons on touch */
        transform: translateY(0) scale(1);
    }
}