/**
 * Catalog CSS - Estilos del catálogo de cursos
 * Plataforma SEAP-IAP
 */

/* ============================================
   HERO SECTION
   ============================================ */

.catalog-hero {
    background: radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0) 36%),
        linear-gradient(135deg, var(--seap-primary) 0%, var(--seap-primary-dark) 100%);
    color: var(--seap-text-white);
    padding: calc(var(--seap-space-3xl) + var(--seap-space-md)) var(--seap-space-md) var(--seap-space-3xl);
    text-align: center;
    border-bottom-left-radius: 28px;
    border-bottom-right-radius: 28px;
}

.catalog-hero-title {
    font-size: var(--seap-font-size-4xl);
    font-weight: var(--seap-font-weight-bold);
    margin-bottom: var(--seap-space-md);
}

.catalog-hero-subtitle {
    font-size: var(--seap-font-size-lg);
    opacity: 0.95;
    max-width: 760px;
    margin: 0 auto var(--seap-space-lg);
    line-height: 1.7;
}

/* ============================================
   HERO CTA (ACCESO / BIENVENIDA)
   ============================================ */

.hero-cta {
    display: flex;
    gap: 12px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: var(--seap-space-2xl);
}

.hero-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 30px;
    background-color: var(--seap-text-white);
    color: var(--seap-primary);
    font-weight: var(--seap-font-weight-semibold);
    font-size: var(--seap-font-size-base);
    border-radius: 999px;
    text-decoration: none;
    transition: all var(--seap-transition-fast);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
}

.hero-btn-primary:hover {
    background-color: var(--seap-primary-dark);
    color: var(--seap-text-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    text-decoration: none;
}

.hero-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 30px;
    background-color: transparent;
    color: var(--seap-text-white);
    font-weight: var(--seap-font-weight-semibold);
    font-size: var(--seap-font-size-base);
    border: 2px solid rgba(255, 255, 255, 0.75);
    border-radius: 999px;
    text-decoration: none;
    transition: all var(--seap-transition-fast);
}

.hero-btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.18);
    border-color: var(--seap-text-white);
    color: var(--seap-text-white);
    text-decoration: none;
}

/* ============================================
   BARRA DE BÚSQUEDA
   ============================================ */

.search-bar {
    max-width: 840px;
    margin: 0 auto;
    display: flex;
    gap: var(--seap-space-sm);
    background-color: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 999px;
    padding: var(--seap-space-sm);
    backdrop-filter: blur(6px);
}

.search-input {
    flex: 1;
    padding: var(--seap-space-md) var(--seap-space-lg);
    border: none;
    border-radius: 999px;
    font-size: var(--seap-font-size-base);
    box-shadow: none;
}

.search-input:focus {
    outline: 2px solid var(--seap-primary-light);
    outline-offset: 2px;
}

.search-button {
    padding: var(--seap-space-md) var(--seap-space-xl);
    background-color: var(--seap-text-white);
    color: var(--seap-primary);
    border: none;
    border-radius: 999px;
    font-weight: var(--seap-font-weight-semibold);
    cursor: pointer;
    transition: all var(--seap-transition-fast);
    box-shadow: var(--seap-shadow-md);
}

.search-button:hover {
    background-color: var(--seap-bg-soft);
    transform: translateY(-1px);
    box-shadow: var(--seap-shadow-lg);
}

/* ============================================
   LAYOUT DEL CATÁLOGO
   ============================================ */

.catalog-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--seap-space-2xl) var(--seap-space-md) var(--seap-space-4xl);
}

.catalog-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--seap-space-2xl);
    align-items: start;
}

/* ============================================
   FILTROS (SIDEBAR)
   ============================================ */

.filters-aside {
    position: sticky;
    top: calc(var(--seap-header-height) + var(--seap-space-lg));
    background-color: var(--seap-bg);
    border: 1px solid var(--seap-border-light);
    border-radius: var(--seap-radius-lg);
    padding: var(--seap-space-lg);
    box-shadow: var(--seap-shadow-sm);
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--seap-space-lg);
}

.filters-title {
    font-size: var(--seap-font-size-xl);
    font-weight: var(--seap-font-weight-bold);
    color: var(--seap-text-main);
}

.filters-clear {
    background: none;
    border: none;
    color: var(--seap-primary);
    font-size: var(--seap-font-size-sm);
    cursor: pointer;
    padding: var(--seap-space-xs) var(--seap-space-sm);
    border-radius: var(--seap-radius-sm);
    transition: background-color var(--seap-transition-fast);
}

.filters-clear:hover {
    background-color: var(--seap-bg-soft);
}

.filters-section {
    margin-bottom: var(--seap-space-xl);
    padding-bottom: var(--seap-space-lg);
    border-bottom: 1px solid var(--seap-border-light);
}

.filters-section:last-child {
    border-bottom: none;
}

.filters-section-title {
    font-size: var(--seap-font-size-base);
    font-weight: var(--seap-font-weight-semibold);
    color: var(--seap-text-main);
    margin-bottom: var(--seap-space-md);
}

.filter-option {
    display: block;
    margin-bottom: var(--seap-space-sm);
}

.filter-option label {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: var(--seap-space-xs) 0;
    color: var(--seap-text-main);
    transition: color var(--seap-transition-fast);
}

.filter-option label:hover {
    color: var(--seap-primary);
}

.filter-option input[type="checkbox"] {
    margin-right: var(--seap-space-sm);
}

/* Botón toggle mobile */
.toggle-filters-btn {
    display: none;
    position: fixed;
    bottom: var(--seap-space-lg);
    right: var(--seap-space-lg);
    z-index: 999;
    background-color: var(--seap-primary);
    color: var(--seap-text-white);
    border: none;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    box-shadow: var(--seap-shadow-xl);
    cursor: pointer;
    transition: all var(--seap-transition-base);
}

.toggle-filters-btn:hover {
    background-color: var(--seap-primary-dark);
    transform: scale(1.05);
}

.filters-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background-color: var(--seap-danger);
    color: var(--seap-text-white);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: var(--seap-font-size-xs);
    font-weight: var(--seap-font-weight-bold);
}

/* Overlay para mobile */
.filters-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 998;
}

/* ============================================
   CONTENIDO PRINCIPAL
   ============================================ */

.catalog-content {
    min-width: 0;
}

.catalog-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--seap-space-xl);
    padding: var(--seap-space-md) var(--seap-space-lg);
    border: 1px solid var(--seap-border-light);
    border-radius: var(--seap-radius-lg);
    background-color: var(--seap-bg-soft);
    border-bottom: 2px solid var(--seap-border);
}

.resultados-info {
    font-size: var(--seap-font-size-sm);
    color: var(--seap-text-muted);
}

/* ============================================
   GRID DE CURSOS
   ============================================ */

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--seap-space-xl);
    margin: var(--seap-space-lg) 0 var(--seap-space-2xl);
}

/* ============================================
   TARJETA DE CURSO
   ============================================ */

.course-card {
    position: relative;
    background-color: var(--seap-bg);
    border-radius: var(--seap-radius-lg);
    border: 1px solid var(--seap-border-light);
    overflow: hidden;
    box-shadow: var(--seap-shadow-md);
    transition: all var(--seap-transition-base);
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    box-shadow: var(--seap-shadow-xl);
    transform: translateY(-6px);
}

.course-status {
    position: absolute;
    top: var(--seap-space-md);
    right: var(--seap-space-md);
    z-index: 2;
    padding: var(--seap-space-xs) var(--seap-space-md);
    background-color: rgba(0, 0, 0, 0.75);
    color: var(--seap-text-white);
    border-radius: var(--seap-radius-full);
    font-size: var(--seap-font-size-xs);
    font-weight: var(--seap-font-weight-semibold);
    text-transform: uppercase;
}

.course-status-proximamente {
    background-color: var(--seap-warning);
}

.course-status-completo {
    background-color: var(--seap-text-muted);
}

.course-image {
    width: 100%;
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.course-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.2), transparent 52%);
    pointer-events: none;
}

.course-content {
    padding: var(--seap-space-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--seap-space-xs);
    margin-bottom: var(--seap-space-sm);
}

.course-title {
    font-size: var(--seap-font-size-lg);
    font-weight: var(--seap-font-weight-bold);
    margin-bottom: var(--seap-space-sm);
    line-height: 1.3;
}

.course-title a {
    color: var(--seap-text-main);
    text-decoration: none;
    transition: color var(--seap-transition-fast);
}

.course-title a:hover {
    color: var(--seap-primary);
}

.course-description {
    font-size: var(--seap-font-size-sm);
    color: var(--seap-text-muted);
    line-height: 1.7;
    margin-bottom: var(--seap-space-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--seap-space-md);
    margin-bottom: var(--seap-space-md);
    font-size: var(--seap-font-size-xs);
    color: var(--seap-text-secondary);
}

.course-meta-item {
    display: flex;
    align-items: center;
    gap: var(--seap-space-xs);
}

.course-meta-item svg {
    color: var(--seap-primary);
}

.course-rating {
    display: flex;
    align-items: center;
    gap: var(--seap-space-sm);
    margin-bottom: var(--seap-space-md);
}

.rating-stars {
    color: #FFA500;
    font-size: var(--seap-font-size-base);
    letter-spacing: 2px;
}

.rating-value {
    font-weight: var(--seap-font-weight-semibold);
    color: var(--seap-text-main);
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: var(--seap-space-md);
    border-top: 1px solid var(--seap-border-light);
    margin-bottom: var(--seap-space-md);
}

.course-card .btn {
    border-radius: 999px;
}

.course-price {
    font-size: var(--seap-font-size-xl);
    font-weight: var(--seap-font-weight-bold);
    color: var(--seap-primary);
}

.course-price-free {
    color: var(--seap-success);
}

.course-prices {
    display: flex;
    flex-direction: column;
    gap: var(--seap-space-xs);
}

.course-price-original {
    font-size: var(--seap-font-size-sm);
    color: var(--seap-text-muted);
    text-decoration: line-through;
}

/* ============================================
   PAGINACIÓN
   ============================================ */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--seap-space-sm);
    margin-top: var(--seap-space-2xl);
}

.pagination-btn {
    padding: var(--seap-space-sm) var(--seap-space-md);
    background-color: var(--seap-bg);
    color: var(--seap-text-main);
    border: 1px solid var(--seap-border);
    border-radius: var(--seap-radius-md);
    cursor: pointer;
    transition: all var(--seap-transition-fast);
    font-size: var(--seap-font-size-sm);
    font-weight: var(--seap-font-weight-medium);
}

.pagination-btn:hover:not(.pagination-btn-disabled) {
    background-color: var(--seap-primary);
    color: var(--seap-text-white);
    border-color: var(--seap-primary);
}

.pagination-btn-active {
    background-color: var(--seap-primary);
    color: var(--seap-text-white);
    border-color: var(--seap-primary);
}

.pagination-btn-disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination-ellipsis {
    padding: var(--seap-space-sm);
    color: var(--seap-text-muted);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1199px) {
    .catalog-layout {
        grid-template-columns: 240px 1fr;
    }

    .courses-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 991px) {
    .catalog-layout {
        grid-template-columns: 1fr;
    }

    .filters-aside {
        position: fixed;
        top: 0;
        left: -100%;
        width: 300px;
        height: 100vh;
        background-color: var(--seap-bg);
        z-index: 999;
        padding: var(--seap-space-xl);
        overflow-y: auto;
        transition: left var(--seap-transition-base);
        box-shadow: var(--seap-shadow-2xl);
    }

    .filters-aside-open {
        left: 0;
    }

    .toggle-filters-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .courses-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 767px) {
    .catalog-hero-title {
        font-size: var(--seap-font-size-3xl);
    }

    .search-bar {
        flex-direction: column;
    }

    .search-button {
        width: 100%;
    }

    .search-bar {
        border-radius: var(--seap-radius-lg);
        padding: var(--seap-space-sm);
    }

    .search-input,
    .search-button {
        border-radius: var(--seap-radius-md);
    }

    .catalog-toolbar {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--seap-space-sm);
    }

    .courses-grid {
        grid-template-columns: 1fr;
    }

    .course-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--seap-space-sm);
    }

    .course-footer .btn {
        width: 100%;
    }
}

@media (max-width: 575px) {
    .catalog-container {
        padding: var(--seap-space-lg) var(--seap-space-sm);
    }

    .catalog-hero {
        padding: var(--seap-space-2xl) var(--seap-space-md);
        border-bottom-left-radius: 20px;
        border-bottom-right-radius: 20px;
    }

    .filters-aside {
        width: 100%;
    }
}