/**
 * Course Catalog Styles
 * 
 * Styles for the Course Catalog (Locked) template
 * Includes: filters, grid, pagination, mobile drawer
 */

/* ========================================
   Filters Inline (Horizontal)
   ======================================== */
.courses-filters-inline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    padding: 1.5rem;
    background: var(--color-gray-100);
    border-radius: 8px;
}

.courses-filters-inline .filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.courses-filters-inline .filter-actions {
    grid-column: 1 / -1;
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.courses-filters-inline .filter-actions button,
.courses-filters-inline .filter-actions a {
    min-width: 120px;
    border-radius: 20px !important;
    font-weight: 600;
    /* padding: 0.875rem 2rem; */
}

.courses-filters-inline .filter-actions a {
    background: var(--color-white) !important;
    color: var(--color-primary) !important;
    border: 2px solid var(--color-primary) !important;
}

.courses-filters-inline .filter-actions a:hover {
    background: var(--color-primary) !important;
    color: var(--color-white) !important;
}

@media (max-width: 767px) {
    .courses-filters-inline {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Page Header
   ======================================== */
.page-header {
    padding: var(--space-2xl) 0;
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-secondary) 100%);
    border-bottom: 1px solid var(--color-gray-300);
}

.page-header h1 {
    margin-bottom: var(--space-md);
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-700);
    max-width: 600px;
}

/* ========================================
   Category Header (Archive)
   ======================================== */
.category-header {
    position: relative;
    padding: var(--space-3xl) 0;
    background-size: cover;
    background-position: center;
    background-color: var(--color-gray-900);
    overflow: hidden;
}

.category-header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 11, 46, 0.85) 0%, rgb(254 254 255 / 75%) 100%);
    z-index: 1;
}

.category-header-content {
    position: relative;
    z-index: 2;
    color: var(--color-white);
}

.category-header h1 {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    color: var(--color-white);
}

.category-description {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
    opacity: 0.95;
}

.category-count {
    font-size: 1rem;
    opacity: 0.85;
}

@media (max-width: 640px) {
    .category-header {
        padding: var(--space-2xl) 0;
    }
    
    .category-header h1 {
        font-size: 1.75rem;
    }
    
    .category-description {
        font-size: 1.125rem;
    }
}

/* ========================================
   Categories Section
   ======================================== */
.categories-section {
    padding: var(--space-2xl) 0;
    background: var(--color-white);
}

.categories-section h2 {
    font-size: 1.75rem;
    margin-bottom: var(--space-xl);
    text-align: center;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-lg);
}

@media (max-width: 640px) {
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
}

.category-card {
    display: block;
    position: relative;
    text-decoration: none;
    transition: all var(--transition-base);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.category-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-gray-100);
    position: relative;
}

.category-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.2), rgba(0,0,0,0.6));
    z-index: 1;
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.category-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.category-placeholder span {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-white);
    z-index: 2;
    position: relative;
}

.category-name {
    position: absolute;
    bottom: var(--space-md);
    left: var(--space-md);
    right: var(--space-md);
    font-size: 15px;
    font-weight: 700;
    color: #FFFFFF !important;
    text-align: left;
    margin: 0;
    z-index: 2;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.category-card:hover .category-name {
    color: #FFFFFF;
}

/* ========================================
   Courses Catalog Layout
   ======================================== */
.courses-catalog-section {
    padding: var(--space-3xl) 0;
}

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

@media (max-width: 767px) {
    .courses-catalog-layout {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Sidebar / Filters
   ======================================== */
.courses-sidebar {
    /* Não sobrescrever Bootstrap grid */
}

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

.filters-header h2 {
    font-size: 1.25rem;
    margin: 0;
}

.filter-toggle-mobile {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 0.5rem 1rem;
    background: var(--color-gray-100);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-base);
}

.filter-toggle-mobile:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

@media (min-width: 768px) {
    .filter-toggle-mobile {
        display: none;
    }
}

.filter-icon {
    display: inline-block;
}

/* Filters Drawer (Mobile/Desktop) */
.filters-drawer {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

@media (max-width: 767px) {
    .filters-drawer {
        position: fixed;
        top: 73px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-white);
        overflow-y: auto;
        z-index: 998;
        transform: translateX(-100%);
        transition: transform var(--transition-slow);
        padding: var(--space-lg);
        border-top: 1px solid var(--color-gray-300);
    }

    .filter-toggle-mobile[aria-expanded="true"] ~ .filters-drawer {
        transform: translateX(0);
    }
}

/* Active Filters (Chips) */
.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-secondary);
    color: var(--color-dark);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
}

.filter-chip strong {
    font-weight: 600;
}

.filter-chip-clear {
    background: var(--color-accent);
    color: var(--color-white);
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-chip-clear:hover {
    background: #FF4A75;
}

/* Filter Groups */
.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-group label {
    font-weight: 600;
    color: var(--color-dark);
    font-size: 0.95rem;
}

.filter-input,
.filter-select {
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-sans);
    transition: all var(--transition-base);
    background: var(--color-white);
    color: var(--color-dark);
}

.filter-input:focus,
.filter-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(91, 46, 255, 0.1);
}

.filter-input::placeholder {
    color: var(--color-gray-500);
}

/* Filter Actions (Mobile) */
.filter-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-gray-300);
}

@media (min-width: 968px) {
    .filter-actions {
        display: none;
    }
}

/* ========================================
   Main Results Area
   ======================================== */
.courses-main {
    /* Removido display flex para permitir Bootstrap grid funcionar */
}

.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-gray-300);
}

.results-info {
    color: var(--color-gray-700);
    font-size: 0.95rem;
}

.results-info p {
    margin: 0;
}

/* ========================================
   Course Grid & Cards
   ======================================== */
.course-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 640px) {
    .course-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 968px) {
    .course-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Course Card */
.course-card {
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-slow);
}

.course-card a {
    border-radius: 20px;
    font-weight: 600;
}

.course-card:hover,
.course-card:focus-within {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.course-card-image {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-gray-100);
}

.course-image-link {
    display: block;
    width: 100%;
    height: 100%;
}

.course-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.course-card:hover .course-card-image img {
    transform: scale(1.05);
}

.course-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    font-weight: 600;
}

/* Course Badges */
.course-badge {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    z-index: 10;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.course-badge-featured {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
}

.course-badge-new {
    background: var(--color-accent);
    color: var(--color-white);
}

/* Course Content */
.course-card-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: var(--space-lg);
}

.course-card-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.course-card-title a {
    color: var(--color-dark);
    transition: color var(--transition-base);
}

.course-card-title a:hover,
.course-card-title a:focus {
    color: var(--color-primary);
}

.course-card-excerpt {
    color: var(--color-gray-700);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: var(--space-md);
    flex: 1;
}

.course-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-gray-700);
    font-size: 0.9rem;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.course-author {
    font-weight: 600;
}

.course-price {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    background: var(--color-gray-100);
    color: var(--color-dark);
    font-weight: 600;
    font-size: 0.85rem;
}

/* ========================================
   Empty State
   ======================================== */
.course-empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
}

.course-empty-state p {
    color: var(--color-gray-700);
    font-size: 1.125rem;
    margin-bottom: var(--space-lg);
}

.course-admin-hint {
    color: var(--color-gray-500);
    font-size: 0.95rem;
    margin-top: var(--space-lg);
}

/* ========================================
   Pagination
   ======================================== */
.course-pagination {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--color-gray-300);
}

.pagination-list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    list-style: none;
    flex-wrap: wrap;
}

.pagination-link,
.pagination-current,
.pagination-dots {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    min-height: 2.5rem;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-base);
}

.pagination-link {
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    text-decoration: none;
}

.pagination-link:hover,
.pagination-link:focus {
    background: var(--color-primary);
    color: var(--color-white);
}

.pagination-current {
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 700;
}

.pagination-dots {
    color: var(--color-gray-500);
    cursor: default;
}

.pagination-info {
    color: var(--color-gray-700);
    font-size: 0.95rem;
    text-align: center;
}

/* ========================================
   Button Sizes
   ======================================== */
.btn-sm {
    padding: 0.625rem 1.25rem;
    font-size: 0.9rem;
}

/* ========================================
   Responsive Adjustments
   ======================================== */
@media (max-width: 640px) {
    .courses-catalog-section {
        padding: var(--space-xl) 0;
    }

    .page-header {
        padding: var(--space-xl) 0;
    }

    .course-card-title {
        font-size: 1.1rem;
    }

    .pagination-link,
    .pagination-current {
        min-width: 2rem;
        min-height: 2rem;
        font-size: 0.9rem;
    }
}