/* =====================================================
   CATEGORÍAS PÚBLICAS V2
   Rendimiento, lectura y exploración de cursos.
===================================================== */

.categories-page {
    --categories-border: #e7ecf3;
    --categories-muted: #6b7788;
    --categories-soft: #f6f9ff;
}

.categories-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 28px 30px;
    margin-bottom: 24px;
    border: 1px solid #dce7fb;
    border-radius: 22px;
    background: linear-gradient(135deg, #f8fbff 0%, #eef5ff 100%);
}

.categories-hero-copy {
    max-width: 760px;
}

.categories-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 8px;
    color: #0d6efd;
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.categories-hero h1 {
    margin: 0 0 8px;
    font-size: clamp(1.75rem, 3vw, 2.45rem);
    font-weight: 800;
    line-height: 1.12;
    color: #172033;
}

.categories-hero p {
    margin: 0;
    color: var(--categories-muted);
    font-size: .98rem;
}

.categories-result-pill {
    flex: 0 0 auto;
    min-width: 128px;
    padding: 14px 18px;
    border-radius: 16px;
    background: #fff;
    border: 1px solid #dce7fb;
    text-align: center;
    box-shadow: 0 8px 24px rgba(18, 59, 116, .06);
}

.categories-result-pill strong {
    display: block;
    font-size: 1.5rem;
    line-height: 1;
    color: #0d6efd;
}

.categories-result-pill span {
    display: block;
    margin-top: 6px;
    color: var(--categories-muted);
    font-size: .76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.categories-toolbar {
    padding: 18px;
    margin-bottom: 22px;
    border: 1px solid var(--categories-border);
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 8px 28px rgba(15, 23, 42, .04);
}

.categories-search-wrap {
    position: relative;
    flex: 1 1 360px;
}

.categories-search-wrap > i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #8b97a8;
    pointer-events: none;
}

.categories-search-wrap .form-control {
    min-height: 46px;
    padding-left: 42px;
    border-radius: 12px;
    border-color: #dfe6ef;
}

.categories-toolbar .form-select {
    min-height: 46px;
    border-radius: 12px;
    border-color: #dfe6ef;
}

.categories-toolbar .btn {
    min-height: 46px;
    border-radius: 12px;
    font-weight: 700;
}

.categories-active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 13px;
}

.categories-filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 10px;
    border-radius: 999px;
    background: #f1f6ff;
    color: #285da8;
    font-size: .8rem;
    font-weight: 700;
    text-decoration: none;
}

.categories-filter-chip:hover {
    background: #e7f0ff;
    color: #0d6efd;
}

.categories-sidebar {
    position: sticky;
    top: 96px;
    padding: 16px;
    border: 1px solid var(--categories-border);
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 8px 28px rgba(15, 23, 42, .04);
}

.categories-sidebar-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin: 0 0 12px;
    color: #172033;
    font-size: .9rem;
    font-weight: 800;
}

.categories-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.categories-list li + li {
    margin-top: 3px;
}

.categories-list-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 9px 10px;
    border-radius: 10px;
    color: #4d596a;
    font-size: .84rem;
    font-weight: 600;
    line-height: 1.25;
    text-decoration: none;
    transition: background .16s ease, color .16s ease;
}

.categories-list-link:hover {
    background: #f5f8fd;
    color: #0d6efd;
}

.categories-list-link.active {
    background: #eaf2ff;
    color: #0d6efd;
    font-weight: 800;
}

.categories-count {
    flex: 0 0 auto;
    min-width: 28px;
    padding: 2px 6px;
    border-radius: 999px;
    background: #f0f3f7;
    color: #7c8795;
    font-size: .7rem;
    text-align: center;
}

.categories-list-link.active .categories-count {
    background: #fff;
    color: #0d6efd;
}

.categories-mobile-filter {
    display: none;
    margin-bottom: 16px;
}

.categories-section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.categories-section-heading h2 {
    margin: 0;
    font-size: 1.28rem;
    font-weight: 800;
    color: #172033;
}

.categories-section-heading p {
    margin: 4px 0 0;
    color: var(--categories-muted);
    font-size: .87rem;
}

.category-course-card {
    height: 100%;
    overflow: hidden;
    border: 1px solid var(--categories-border);
    border-radius: 17px;
    background: #fff;
    box-shadow: 0 7px 24px rgba(15, 23, 42, .055);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    content-visibility: auto;
    contain-intrinsic-size: 420px;
}

.category-course-card:hover {
    transform: translateY(-3px);
    border-color: #cfddf2;
    box-shadow: 0 12px 30px rgba(15, 23, 42, .09);
}

.category-course-image-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.category-course-image-wrap {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #eef2f7;
}

.category-course-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .22s ease;
}

.category-course-card:hover .category-course-image {
    transform: scale(1.025);
}

.category-course-badge {
    position: absolute;
    top: 11px;
    left: 11px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 9px;
    border-radius: 999px;
    color: #fff;
    font-size: .72rem;
    font-weight: 800;
    line-height: 1;
    box-shadow: 0 5px 14px rgba(15, 23, 42, .18);
}

.category-course-badge.free {
    background: #dc3545;
}

.category-course-badge.discount {
    background: #fd7e14;
}

.category-course-badge.recommended {
    background: #51606f;
}

.category-course-body {
    display: flex;
    flex-direction: column;
    min-height: 242px;
    padding: 16px;
}

.category-course-title {
    min-height: 44px;
    margin: 0 0 7px;
    font-size: .98rem;
    font-weight: 800;
    line-height: 1.35;
}

.category-course-title a {
    color: #182235;
    text-decoration: none;
}

.category-course-title a:hover {
    color: #0d6efd;
}

.category-course-author {
    min-height: 32px;
    margin: 0 0 11px;
    color: #778292;
    font-size: .79rem;
    line-height: 1.35;
}

.category-course-price-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 9px;
}

.category-course-price {
    color: #e63946;
    font-size: 1.02rem;
    font-weight: 800;
}

.category-course-price.free {
    color: #dc3545;
}

.category-course-old-price {
    margin-left: 5px;
    color: #9aa4b1;
    font-size: .76rem;
    text-decoration: line-through;
}

.category-course-platform {
    width: 56px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex: 0 0 56px;
    overflow: hidden;
}

.category-course-platform img {
    display: block;
    max-width: 56px;
    max-height: 20px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.category-course-stats {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 7px 12px;
    margin-bottom: 13px;
    color: #687486;
    font-size: .76rem;
}

.category-course-stats span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.category-course-stats .rating-star {
    color: #f59f00;
}

.category-course-update {
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px solid #eef1f5;
    color: #7d8794;
    font-size: .74rem;
}

.category-course-action {
    margin-top: 12px;
    border-radius: 11px !important;
    font-weight: 700;
}

.categories-empty {
    padding: 54px 24px;
    border: 1px dashed #ccd7e6;
    border-radius: 18px;
    background: #fbfcfe;
    text-align: center;
}

.categories-empty-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    margin-bottom: 14px;
    border-radius: 50%;
    background: #eaf2ff;
    color: #0d6efd;
    font-size: 1.45rem;
}

.categories-pagination .pagination {
    justify-content: center;
    gap: 4px;
}

.categories-pagination .page-link {
    border-radius: 9px !important;
    border-color: #e1e7ef;
}

body.dark-mode .categories-hero,
body.dark-mode .categories-toolbar,
body.dark-mode .categories-sidebar,
body.dark-mode .category-course-card,
body.dark-mode .categories-empty,
body.dark-mode .categories-result-pill {
    background: #1f1f1f;
    border-color: #333;
}

body.dark-mode .categories-hero h1,
body.dark-mode .categories-section-heading h2,
body.dark-mode .categories-sidebar-title,
body.dark-mode .category-course-title a {
    color: #f1f3f5;
}

body.dark-mode .categories-hero p,
body.dark-mode .category-course-author,
body.dark-mode .category-course-stats,
body.dark-mode .category-course-update {
    color: #b4bbc4;
}

body.dark-mode .categories-list-link {
    color: #d1d5db;
}

body.dark-mode .categories-list-link:hover {
    background: #292929;
}

body.dark-mode .categories-list-link.active {
    background: #24395c;
    color: #8bbcff;
}

@media (max-width: 991px) {
    .categories-sidebar-col {
        display: none;
    }

    .categories-mobile-filter {
        display: block;
    }

    .categories-hero {
        padding: 24px;
    }
}

@media (max-width: 767px) {
    .categories-hero {
        align-items: flex-start;
        flex-direction: column;
    }

    .categories-result-pill {
        min-width: 0;
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }

    .categories-result-pill span {
        margin-top: 0;
    }

    .categories-toolbar {
        padding: 14px;
    }

    .categories-section-heading {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    .category-course-card,
    .category-course-image,
    .categories-list-link {
        transition: none !important;
    }
}