/* 
 * Courses Archive Page Styles
 * Professional horizontal card layout
 * Version: 1.0
 */

/* Box sizing reset for grid layout */
.courses-grid-layout,
.courses-grid-layout *,
.course-grid-card,
.course-grid-card * {
    box-sizing: border-box;
}

/* ============================================
   COURSES ARCHIVE HERO SECTION
   ============================================ */

.courses-archive-page {
    min-height: 100vh;
    background: #f8f9fa;
}

.courses-archive-hero {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    padding: 80px 20px 100px;
    position: relative;
    overflow: hidden;
}

.courses-archive-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
    z-index: 0;
}

.courses-hero-container {
    max-width: 1440px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
    padding: 0 20px;
    box-sizing: border-box;
}

.courses-hero-content {
    color: #ffffff;
}

.courses-hero-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #ff6b35 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.courses-hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    line-height: 1.6;
    max-width: 600px;
}

.courses-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: #ff6b35;
    line-height: 1;
}

.stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.courses-hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* ============================================
   FILTER SECTION
   ============================================ */

.courses-filter-section {
    background: #ffffff;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.courses-filter-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
    box-sizing: border-box;
}

.filter-tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 10px 20px;
    background: #f8f9fa;
    border: 2px solid transparent;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    color: #666;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.filter-tab:hover {
    background: #fff;
    border-color: #ff6b35;
    color: #ff6b35;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.15);
}

.filter-tab.active {
    background: linear-gradient(135deg, #ff6b35 0%, #d32f2f 100%);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.filter-count {
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
}

.filter-tab.active .filter-count {
    background: rgba(255, 255, 255, 0.3);
}

.filter-search {
    flex: 0 0 auto;
}

.courses-search-form {
    display: flex;
    align-items: center;
    gap: 0;
    background: #f8f9fa;
    border-radius: 25px;
    padding: 5px 5px 5px 20px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.courses-search-form:focus-within {
    border-color: #ff6b35;
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.15);
}

.courses-search-input {
    border: none;
    background: transparent;
    padding: 8px 0;
    font-size: 14px;
    outline: none;
    width: 200px;
    color: #333;
}

.courses-search-input::placeholder {
    color: #999;
}

.courses-search-btn {
    background: linear-gradient(135deg, #ff6b35 0%, #d32f2f 100%);
    border: none;
    border-radius: 50%;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.courses-search-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.4);
}

.courses-search-btn svg {
    stroke: #ffffff;
}

/* ============================================
   COURSES GRID SECTION
   ============================================ */

.courses-grid-section {
    padding: 60px 20px 100px;
    background: #f8f9fa;
}

.courses-grid-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.courses-grid-layout {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 60px;
    width: 100%;
    box-sizing: border-box;
}

/* ============================================
   GRID COURSE CARD (4 CARDS PER ROW)
   ============================================ */

.course-grid-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #f0f0f0;
    display: flex;
    flex-direction: column;
    position: relative;
    width: 100%;
    box-sizing: border-box;
    min-width: 0;
}

.course-grid-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ff6b35 0%, #d32f2f 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
    z-index: 2;
}

.course-grid-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 107, 53, 0.2);
}

.course-grid-card:hover::before {
    transform: scaleX(1);
}

.course-card-image {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
}

.course-card-image a {
    display: block;
    height: 100%;
    position: relative;
    z-index: 1;
    cursor: pointer;
}

.course-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.course-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.course-grid-card:hover .course-card-image img {
    transform: scale(1.1);
}

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

.course-stock-badge {
    position: absolute !important;
    top: 12px !important;
    right: 12px !important;
    padding: 6px 12px !important;
    border-radius: 20px !important;
    font-size: 10px !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    background: rgba(0, 0, 0, 0.75) !important;
    color: #ffffff !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 3 !important;
    display: inline-block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.badge-in-stock {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4) !important;
}

.badge-low-stock {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4) !important;
}

.badge-out-of-stock {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4) !important;
}

/* Legacy course type badges - keep for backward compatibility */
.course-type-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(0, 0, 0, 0.75);
    color: #ffffff;
    backdrop-filter: blur(10px);
    z-index: 3;
}

.badge-trending {
    background: linear-gradient(135deg, #ff6b35 0%, #d32f2f 100%);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
}

.badge-upcoming {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.badge-recorded {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.badge-recorded-courses {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.badge-webinar {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.badge-residential {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

.badge-residential-courses {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

/* ============================================
   CARD CONTENT
   ============================================ */

.course-card-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}

.course-card-title {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.4;
    margin: 0;
    min-height: 50px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s ease;
}

.course-card-title:hover {
    color: #ff6b35;
}

.course-card-trainer {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #666;
    font-weight: 500;
}

.course-card-trainer svg {
    stroke: #ff6b35;
    flex-shrink: 0;
}

.course-card-description {
    font-size: 14px;
    line-height: 1.6;
    color: #555;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 63px;
}

.course-card-meta {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    padding-top: 8px;
    border-top: 1px solid #f0f0f0;
}

.course-meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    color: #666;
}

.course-meta-item svg {
    stroke: #ff6b35;
    flex-shrink: 0;
}

.course-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 15px;
    border-top: 1px solid #f0f0f0;
    gap: 15px;
}

.course-card-price {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
}

.price-regular {
    font-size: 14px;
    color: #999;
    text-decoration: line-through;
    font-weight: 500;
    line-height: 1;
}

.price-current {
    font-size: 20px;
    font-weight: 800;
    color: #ff6b35;
    line-height: 1;
}

.course-card-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #ff6b35 0%, #d32f2f 100%);
    color: #ffffff;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.course-card-btn:hover {
    transform: translateX(3px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.course-card-btn svg {
    transition: transform 0.3s ease;
}

.course-card-btn:hover svg {
    transform: translateX(3px);
}

/* ============================================
   PAGINATION
   ============================================ */

.courses-pagination {
    display: flex;
    justify-content: center;
    margin-top: 60px;
}

.courses-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.courses-pagination .page-numbers li {
    list-style: none;
}

.courses-pagination a,
.courses-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 42px;
    height: 42px;
    padding: 0 15px;
    background: #ffffff;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #666;
    text-decoration: none;
    transition: all 0.3s ease;
}

.courses-pagination a:hover {
    background: #ff6b35;
    border-color: #ff6b35;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.courses-pagination .current {
    background: linear-gradient(135deg, #ff6b35 0%, #d32f2f 100%);
    border-color: transparent;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.courses-pagination .dots {
    border: none;
    background: transparent;
    color: #999;
}

/* ============================================
   NO COURSES FOUND
   ============================================ */

.no-courses-found {
    text-align: center;
    padding: 80px 20px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.no-courses-found svg {
    stroke: #ddd;
    margin-bottom: 30px;
}

.no-courses-found h3 {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.no-courses-found p {
    font-size: 16px;
    color: #666;
    margin-bottom: 30px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.btn-back-all {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: linear-gradient(135deg, #ff6b35 0%, #d32f2f 100%);
    color: #ffffff;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.btn-back-all:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

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

@media (max-width: 1440px) {
    .courses-grid-layout {
        grid-template-columns: repeat(4, 1fr);
        gap: 25px;
    }
}

@media (max-width: 1200px) {
    .courses-hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .courses-hero-image {
        order: -1;
        opacity: 0.2;
        height: 200px;
    }
    
    .courses-hero-image svg {
        width: 200px;
        height: 200px;
    }
    
    .courses-grid-layout {
        grid-template-columns: repeat(3, 1fr);
        gap: 25px;
    }
}

@media (max-width: 1024px) {
    .courses-grid-layout {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .course-card-image {
        height: 200px;
    }
    
    .course-card-title {
        font-size: 17px;
        min-height: 48px;
    }
    
    .course-card-description {
        font-size: 13px;
        min-height: 58px;
    }
}

@media (max-width: 900px) {
    .courses-grid-layout {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .courses-archive-hero {
        padding: 60px 20px 80px;
    }
    
    .courses-hero-title {
        font-size: 36px;
    }
    
    .courses-hero-subtitle {
        font-size: 16px;
    }
    
    .courses-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .courses-filter-container {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }
    
    .filter-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 10px;
        -webkit-overflow-scrolling: touch;
    }
    
    .filter-tab {
        flex-shrink: 0;
        font-size: 13px;
        padding: 8px 16px;
    }
    
    .courses-search-form {
        width: 100%;
    }
    
    .courses-search-input {
        width: 100%;
    }
    
    .courses-grid-layout {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .course-card-image {
        height: 180px;
    }
    
    .course-card-content {
        padding: 15px;
        gap: 10px;
    }
    
    .course-card-title {
        font-size: 16px;
        min-height: 44px;
    }
    
    .course-card-trainer {
        font-size: 12px;
    }
    
    .course-card-description {
        font-size: 13px;
        -webkit-line-clamp: 2;
        min-height: 42px;
    }
    
    .course-card-meta {
        gap: 10px;
        flex-direction: column;
    }
    
    .course-meta-item {
        font-size: 12px;
    }
    
    .price-current {
        font-size: 20px;
    }
    
    .course-card-btn {
        font-size: 11px;
        padding: 8px 14px;
    }
    
    .course-stock-badge,
    .course-type-badge {
        font-size: 9px;
        padding: 5px 10px;
    }
    
    .courses-pagination a,
    .courses-pagination span {
        min-width: 38px;
        height: 38px;
        padding: 0 12px;
        font-size: 13px;
    }
}

@media (max-width: 600px) {
    .courses-grid-layout {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .course-card-image {
        height: 160px;
    }
    
    .course-type-badge {
        font-size: 9px;
        padding: 5px 10px;
        top: 8px;
        right: 8px;
    }
    
    .course-card-content {
        padding: 12px;
    }
    
    .course-card-title {
        font-size: 15px;
        min-height: 42px;
    }
    
    .course-card-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .course-card-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .courses-hero-title {
        font-size: 28px;
    }
    
    .courses-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .filter-tabs {
        gap: 8px;
    }
    
    .filter-tab {
        font-size: 12px;
        padding: 7px 14px;
    }
    
    .courses-grid-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .course-card-image {
        height: 200px;
    }
    
    .course-card-title {
        font-size: 17px;
        min-height: auto;
    }
    
    .course-card-description {
        min-height: auto;
        -webkit-line-clamp: 3;
    }
    
    .price-current {
        font-size: 22px;
    }
    
    .course-card-meta {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .course-stock-badge,
    .course-type-badge {
        font-size: 8px;
        padding: 4px 8px;
        top: 8px;
        right: 8px;
    }
    
    .courses-pagination a,
    .courses-pagination span {
        min-width: 36px;
        height: 36px;
        font-size: 12px;
    }
}