/* TAMOOH - Courses Page Styles */

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
    position: relative;
    padding: calc(var(--navbar-height) + var(--space-12)) 0 var(--space-12);
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(0, 188, 212, 0.05) 100%);
    text-align: center;
    overflow: hidden;
}

.page-header-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(0, 188, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 150, 136, 0.08) 0%, transparent 50%);
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--space-4);
}

.page-header p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    font-size: var(--font-size-sm);
}

.breadcrumb a {
    color: var(--text-secondary);
    transition: color var(--transition-base);
}

.breadcrumb a:hover {
    color: var(--color-primary);
}

.breadcrumb i {
    color: var(--text-tertiary);
    font-size: 0.7rem;
}

.breadcrumb span {
    color: var(--color-primary);
    font-weight: 500;
}

/* ============================================
   COURSES PAGE LAYOUT
   ============================================ */
.courses-page {
    padding: var(--space-12) 0;
}

.courses-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-8);
}

/* ============================================
   SIDEBAR FILTERS
   ============================================ */
.courses-sidebar {
    position: sticky;
    top: calc(var(--navbar-height) + var(--space-4));
    height: fit-content;
    max-height: calc(100vh - var(--navbar-height) - var(--space-8));
    overflow-y: auto;
    padding: var(--space-6);
    background: var(--card-bg);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-color);
}

.filter-section {
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--border-color);
}

.filter-section:last-of-type {
    margin-bottom: var(--space-4);
    padding-bottom: 0;
    border-bottom: none;
}

.filter-section h3 {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.filter-section h3 i {
    color: var(--color-primary);
}

.search-box {
    display: flex;
    gap: var(--space-2);
}

.search-box input {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

.search-box input::placeholder {
    color: var(--text-tertiary);
}

.search-box button {
    padding: var(--space-3) var(--space-4);
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background var(--transition-base);
}

.search-box button:hover {
    background: var(--color-primary-dark);
}

.category-list,
.level-list,
.rating-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.category-list li,
.level-list li,
.rating-list li {
    margin-bottom: var(--space-2);
}

.category-list label,
.level-list label,
.rating-list label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    transition: color var(--transition-base);
}

.category-list label:hover,
.level-list label:hover,
.rating-list label:hover {
    color: var(--text-primary);
}

.category-list input,
.level-list input,
.rating-list input {
    accent-color: var(--color-primary);
}

.price-range input[type="range"] {
    width: 100%;
    margin-bottom: var(--space-2);
    accent-color: var(--color-primary);
}

.price-values {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ============================================
   COURSES CONTENT
   ============================================ */
.courses-content {
    min-width: 0;
}

.courses-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
    gap: var(--space-4);
}

.results-count {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
}

.results-count strong {
    color: var(--color-primary);
    font-weight: 700;
}

.sort-options {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.sort-options label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.sort-options select {
    padding: var(--space-2) var(--space-4);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    cursor: pointer;
}

/* ============================================
   COURSES GRID
   ============================================ */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-6);
}

/* ============================================
   COURSE CARD
   ============================================ */
.course-card {
    background: var(--card-bg);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all var(--transition-base);
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.course-image {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

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

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

.course-badges {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.badge-bestseller {
    background: linear-gradient(135deg, #ff6b6b, #ee5a5a);
    color: white;
}

.badge-new {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
}

.badge-purchased {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.discount-badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    padding: var(--space-1) var(--space-3);
    background: #ff6b6b;
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 700;
    border-radius: var(--radius-full);
}

.course-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.course-card:hover .course-overlay {
    opacity: 1;
}

.course-content {
    padding: var(--space-5);
}

.course-category {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: rgba(0, 188, 212, 0.1);
    color: var(--color-primary);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-3);
}

.course-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-2);
    line-height: 1.4;
}

.course-title a {
    color: var(--text-primary);
    transition: color var(--transition-base);
}

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

.course-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.course-trainer {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.course-trainer img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.course-trainer span {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    padding: var(--space-4) 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-4);
}

.course-meta .meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.course-meta .meta-item i {
    color: var(--color-primary);
    font-size: var(--font-size-xs);
}

.course-meta .meta-item .reviews {
    color: var(--text-tertiary);
    font-size: var(--font-size-xs);
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.course-price {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
}

.course-price .current-price {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-primary);
}

.course-price .old-price {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    text-decoration: line-through;
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-10);
}

.pagination-btn {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.pagination-btn:hover:not(.disabled):not(.active) {
    background: var(--bg-secondary);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

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

.pagination-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-dots {
    color: var(--text-tertiary);
    padding: 0 var(--space-2);
}

/* ============================================
   NO RESULTS
   ============================================ */
.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-16);
    background: var(--card-bg);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-color);
}

.no-results i {
    font-size: 4rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-4);
}

.no-results h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-2);
}

.no-results p {
    color: var(--text-secondary);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .courses-layout {
        grid-template-columns: 1fr;
    }

    .courses-sidebar {
        position: static;
        max-height: none;
    }
}

@media (max-width: 768px) {
    .courses-grid {
        grid-template-columns: 1fr;
    }

    .courses-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .sort-options {
        width: 100%;
    }

    .sort-options select {
        flex: 1;
    }
}

@media (max-width: 576px) {
    .page-header h1 {
        font-size: 1.75rem;
    }

    .course-footer {
        flex-direction: column;
        gap: var(--space-3);
        align-items: flex-start;
    }

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