/* ===============================================
   PROGRAMMES PAGE - MERGED STYLES
   (Original styles + Updated Filter Panel overrides)
   =============================================== */

/* Main Layout */
.main-layout {
    display: flex;
    gap: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.main-content {
    flex: 1;
    min-width: 0;
}

.content-wrapper {
    max-width: none;
}

/* Page Header */
.page-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-2xl) 0;
}

.page-header h1 {
    font-size: var(--fs-4xl);
    font-weight: 800;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.page-header h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.page-description {
    font-size: var(--fs-lg);
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.6;
}

.explore-all {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.browse-link {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.browse-link:hover {
    background: rgba(191, 23, 37, 0.1);
    text-decoration: none;
}

/* Filter Tabs */
.filter-tabs {
    display: flex;
    justify-content: center;
    list-style: none;
    margin: 0 0 var(--spacing-3xl);
    padding: 0;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.filter-item {
    flex: 1;
    max-width: 200px;
}

.filter-link {
    display: block;
    padding: var(--spacing-lg) var(--spacing-xl);
    color: var(--color-gray-600);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--fs-base);
    transition: var(--transition-base);
    position: relative;
}

.filter-link:hover {
    color: var(--color-primary);
    background: rgba(191, 23, 37, 0.05);
    text-decoration: none;
}

.filter-link.active {
    color: var(--color-white);
    background: var(--gradient-primary);
}

.filter-link.active:hover {
    color: var(--color-white);
}

/* Programs Grid */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.program-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition-base);
    position: relative;
    border: 1px solid var(--color-gray-200);
}

.program-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-primary);
}

.program-link {
    display: block;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.program-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition-base);
}

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

.program-card .content {
    padding: var(--spacing-xl);
}

.program-card h3 {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.program-card p {
    color: var(--color-gray-600);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Program Card Icons */
.program-card .icon {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: var(--fs-sm);
    cursor: help;
    transition: var(--transition-base);
    z-index: 10;
}

.program-card .icon:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.program-card .logo {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs);
    transition: var(--transition-base);
    z-index: 10;
    cursor: pointer;
}

.program-card .logo:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.program-card .logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Tooltip */
.tooltip {
    position: absolute;
    top: 50px;
    right: var(--spacing-md);
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--fs-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-base);
    z-index: 1000;
    pointer-events: none;
}

.tooltip::before {
    content: '';
    position: absolute;
    top: -5px;
    right: 10px;
    border: 5px solid transparent;
    border-bottom-color: var(--color-gray-900);
}

.program-card .icon:hover + .tooltip,
.program-card .icon:focus + .tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* ===============================================
   SIDEBAR - original definition (will be overridden
   by the updated filter-panel rules below)
   =============================================== */
.sidebar {
    width: 320px;
    flex-shrink: 0;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.sidebar h5 {
    color: var(--color-gray-900);
    font-size: var(--fs-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-gray-200);
}

/* Search Box */
.search-box {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.search-box .icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-500);
    font-size: var(--fs-sm);
    pointer-events: none;
}

.search-box input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) calc(var(--spacing-md) + 20px);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    font-size: var(--fs-base);
    transition: var(--transition-base);
    background: var(--color-light);
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(191, 23, 37, 0.1);
}

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

/* Clear Filters Button */
.clear-filter-btn {
    margin-bottom: var(--spacing-xl);
}

.clear-filter-btn button {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--color-gray-100);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    color: var(--color-gray-700);
    font-weight: 600;
    font-size: var(--fs-base);
    cursor: pointer;
    transition: var(--transition-base);
}

.clear-filter-btn button:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* Filter Sections */
.filter-section {
    margin-bottom: var(--spacing-xl);
}

.filter-section:last-child {
    margin-bottom: 0;
}

.filter-section h6 {
    color: var(--color-gray-800);
    font-size: var(--fs-base);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.filter-list li {
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    color: var(--color-gray-700);
    font-weight: 500;
    border: 1px solid transparent;
}

.filter-list li:hover {
    background: rgba(191, 23, 37, 0.1);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.filter-list li.active {
    background: var(--gradient-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.filter-list li.active:hover {
    color: var(--color-white);
}

/* Loading States */
.loading-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.loading-spinner {
    text-align: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--color-gray-200);
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-lg);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-spinner p {
    color: var(--color-gray-600);
    font-size: var(--fs-lg);
    margin: 0;
}

/* No Results */
.no-results {
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.no-results-content i {
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-xl);
}

.no-results-content h3 {
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-md);
}

.no-results-content p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
}

/* Load More Button */
.load-more-container {
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

/* Error Alert */
.alert {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: 1000;
    max-width: 400px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: slideInRight 0.3s ease-out;
}

.alert-error {
    background: var(--color-white);
    border: 1px solid #f87171;
    border-left: 4px solid #ef4444;
}

.alert-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
}

.alert-content i {
    color: #ef4444;
    font-size: var(--fs-lg);
    flex-shrink: 0;
}

.alert-close {
    background: none;
    border: none;
    font-size: var(--fs-xl);
    color: var(--color-gray-500);
    cursor: pointer;
    margin-left: auto;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.alert-close:hover {
    color: var(--color-gray-700);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===============================================
   Responsive Design
   =============================================== */

@media (max-width: 1200px) {
    .programs-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: var(--spacing-lg);
    }
}

@media (max-width: 992px) {
    .main-layout {
        flex-direction: column;
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-md);
    }
    
    /* The sidebar will be the mobile drawer — updated rules later */
    .filter-tabs {
        flex-direction: column;
        max-width: 400px;
        margin: 0 auto var(--spacing-2xl);
    }
    
    .programs-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .main-layout {
        padding: 0 var(--spacing-sm);
        gap: var(--spacing-md);
    }
    
    .page-header {
        padding: var(--spacing-lg) 0;
        margin-bottom: var(--spacing-2xl);
    }
    
    .page-header h1 {
        font-size: var(--fs-3xl);
    }
    
    .page-description {
        font-size: var(--fs-base);
        margin-bottom: var(--spacing-lg);
    }
    
    .explore-all {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .sidebar {
        padding: var(--spacing-lg);
        border-radius: var(--radius-lg);
    }
    
    .programs-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .program-card .content {
        padding: var(--spacing-lg);
    }
    
    .program-card h3 {
        font-size: var(--fs-lg);
    }
    
    .filter-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xs);
    }
    
    .alert {
        right: var(--spacing-sm);
        left: var(--spacing-sm);
        max-width: none;
    }
}

@media (max-width: 576px) {
    .sidebar {
        padding: var(--spacing-md);
    }
    
    .program-card .content {
        padding: var(--spacing-md);
    }
    
    .program-card .icon,
    .program-card .logo {
        width: 32px;
        height: 32px;
        top: var(--spacing-sm);
    }
    
    .program-card .icon {
        right: var(--spacing-sm);
    }
    
    .program-card .logo {
        left: var(--spacing-sm);
        width: 40px;
        height: 40px;
    }
    
    .filter-list {
        grid-template-columns: 1fr;
    }
    
    .search-box input {
        padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) calc(var(--spacing-sm) + 20px);
    }
}

/* Sidebar Mobile Toggle (original) */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: var(--transition-base);
}

.sidebar-overlay.show {
    display: block;
    opacity: 1;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .program-card {
        background: var(--color-gray-800);
        border-color: var(--color-gray-700);
    }
    
    .program-card h3 {
        color: var(--color-white);
    }
    
    .program-card p {
        color: var(--color-gray-300);
    }
    
    .sidebar {
        background: var(--color-gray-800);
        border-color: var(--color-gray-700);
    }
    
    .sidebar h5 {
        color: var(--color-white);
        border-color: var(--color-gray-700);
    }
}

/* ===============================================
   UPDATED FILTER PANEL STYLES (overrides)
   Compact, collapsible sections & mobile drawer
   =============================================== */

/* Sidebar - More Compact & Sticky (override old .sidebar) */
.sidebar {
    width: 280px; /* Reduced from 320px */
    flex-shrink: 0;
    background: var(--color-white);
    border-radius: var(--radius-lg); /* Reduced from xl */
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-lg); /* Reduced from xl */
    height: fit-content;
    position: sticky;
    top: 90px; /* Reduced from 100px */
    max-height: calc(100vh - 110px);
    overflow-y: auto;
}

.sidebar h5 {
    color: var(--color-gray-900);
    font-size: var(--fs-base); /* Reduced from lg */
    font-weight: 700;
    margin-bottom: var(--spacing-lg); /* Reduced from xl */
    padding-bottom: var(--spacing-sm); /* Reduced from md */
    border-bottom: 2px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* Search Box - More Compact (override) */
.search-box {
    position: relative;
    margin-bottom: var(--spacing-lg); /* Reduced from xl */
}

.search-box input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) calc(var(--spacing-sm) + 18px); /* Reduced padding */
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md); /* Reduced from lg */
    font-size: var(--fs-sm); /* Reduced from base */
    transition: var(--transition-base);
    background: var(--color-light);
}

/* Clear Filters Button - More Compact (override) */
.clear-filter-btn {
    margin-bottom: var(--spacing-lg); /* Reduced from xl */
}

.clear-filter-btn button {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md); /* Reduced padding */
    background: var(--color-gray-100);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md); /* Reduced from lg */
    color: var(--color-gray-700);
    font-weight: 600;
    font-size: var(--fs-sm); /* Reduced from base */
    cursor: pointer;
    transition: var(--transition-base);
}

/* Filter Sections - Collapsible (override) */
.filter-section {
    margin-bottom: var(--spacing-lg); /* Reduced from xl */
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.filter-section:last-child {
    margin-bottom: 0;
}

.filter-section h6 {
    color: var(--color-gray-800);
    font-size: var(--fs-sm); /* Reduced from base */
    font-weight: 600;
    margin: 0;
    padding: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-base);
    user-select: none;
}

.filter-section h6:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

.filter-section h6::after {
    content: '\f107'; /* Font Awesome chevron down */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: var(--fs-xs);
    transition: var(--transition-base);
}

.filter-section.collapsed h6::after {
    transform: rotate(-90deg);
}

.filter-content {
    max-height: 200px;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.filter-section.collapsed .filter-content {
    max-height: 0;
}

.filter-list {
    list-style: none;
    margin: 0;
    padding: var(--spacing-sm) 0; /* Reduced padding */
    background: var(--color-white);
}

.filter-list li {
    padding: var(--spacing-xs) var(--spacing-md); /* Reduced padding */
    margin: 0;
    cursor: pointer;
    transition: var(--transition-base);
    color: var(--color-gray-700);
    font-weight: 500;
    font-size: var(--fs-sm); /* Reduced font size */
    border-left: 3px solid transparent;
}

.filter-list li:hover {
    background: rgba(191, 23, 37, 0.08);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
    padding-left: calc(var(--spacing-md) + 3px);
}

.filter-list li.active {
    background: rgba(191, 23, 37, 0.1);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
    font-weight: 600;
    padding-left: calc(var(--spacing-md) + 3px);
}

/* Mobile Filter Button (new) */
.mobile-filter-btn {
    display: none;
    position: fixed;
    bottom: var(--spacing-xl);
    left: var(--spacing-xl);
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-lg);
}

.mobile-filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-2xl);
    background: var(--color-primary-dark);
}

.mobile-filter-btn.active {
    background: var(--color-primary-dark);
}

/* Mobile Sidebar Overlay (override to add blur) */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 998;
    opacity: 0;
    transition: var(--transition-base);
}

.sidebar-overlay.show {
    display: block;
    opacity: 1;
}

/* Mobile Sidebar Drawer (new rules) */
@media (max-width: 992px) {
    .mobile-filter-btn {
        display: flex;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: -320px;
        width: 320px;
        height: 100vh;
        z-index: 999;
        transition: left var(--transition-base);
        border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
        max-height: none;
        overflow-y: auto;
        padding-top: 100px; /* Account for navbar height */
    }

    .sidebar.show {
        left: 0;
    }
    
    .main-layout {
        flex-direction: column;
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .sidebar {
        left: -300px;
        width: 300px;
        padding-top: 80px; /* Reduced navbar height on mobile */
    }

    .mobile-filter-btn {
        bottom: var(--spacing-lg);
        left: var(--spacing-lg);
        width: 52px;
        height: 52px;
    }
}

@media (max-width: 576px) {
    .sidebar {
        left: -280px;
        width: 280px;
        padding: var(--spacing-lg) var(--spacing-md);
        padding-top: 70px;
    }

    .mobile-filter-btn {
        width: 48px;
        height: 48px;
        bottom: var(--spacing-md);
        left: var(--spacing-md);
    }

    .filter-section h6 {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--fs-xs);
    }

    .filter-list li {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--fs-xs);
    }
}
