/* Enhanced Course Filter Styles */

/* Desktop Filter Button */
.desktop-filter-button {
    display: block !important;
    margin-bottom: 1px !important;
    margin-top: 100px !important;
}

.desktop-filter-button .filter-toggle-btn {
    width: 100% !important;
    padding: 15px 20px !important;
    background: transparent !important;
    border: 2px solid #CF5C09 !important;
    border-radius: 12px !important;
    color: #CF5C09 !important;
    font-weight: 600 !important;
    font-size: 16px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 10px !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 2px 8px rgba(207, 92, 9, 0.1) !important;
    cursor: pointer !important;
    text-decoration: none !important;
}

.desktop-filter-button .filter-toggle-btn:hover {
    background: rgba(207, 92, 9, 0.1) !important;
    color: #CF5C09 !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(207, 92, 9, 0.2) !important;
    text-decoration: none !important;
}

.desktop-filter-button .filter-toggle-btn.active {
    background: linear-gradient(135deg, #CF5C09 0%, #a95a17 100%) !important;
    color: white !important;
    box-shadow: 0 4px 12px rgba(207, 92, 9, 0.2) !important;
}

.desktop-filter-button .filter-toggle-btn.active:hover {
    background: linear-gradient(135deg, #a95a17 0%, #CF5C09 100%) !important;
    color: white !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 16px rgba(207, 92, 9, 0.3) !important;
}

.desktop-filter-button .filter-toggle-btn:active {
    transform: translateY(0) !important;
}

.desktop-filter-button .filter-toggle-btn i {
    font-size: 18px !important;
}

/* Desktop Filters Container (inline) */
.desktop-filters-container {
    margin-bottom: 15px !important;
    padding: 10px !important;
    background: #f8f9fa !important;
    border-radius: 8px !important;
    border: 1px solid #e9ecef !important;
    animation: slideDown 0.3s ease !important;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Desktop Filter Footer */
.desktop-filter-footer {
    display: flex !important;
    gap: 10px !important;
    margin-top: 10px !important;
    padding-top: 10px !important;
    border-top: 1px solid #e9ecef !important;
}

.desktop-filter-footer .btn {
    flex: 1 !important;
    padding: 12px 20px !important;
    border-radius: 8px !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    transition: all 0.3s ease !important;
    border: none !important;
    cursor: pointer !important;
}

.desktop-filter-footer .btn-secondary {
    background-color: #f8f9fa !important;
    color: #666 !important;
    border: 2px solid #e0e0e0 !important;
}

.desktop-filter-footer .btn-secondary:hover {
    background-color: #e9ecef !important;
    color: #333 !important;
    border-color: #adb5bd !important;
}

.desktop-filter-footer .btn-primary {
    background: linear-gradient(135deg, #CF5C09 0%, #a95a17 100%) !important;
    color: white !important;
    box-shadow: 0 4px 12px rgba(207, 92, 9, 0.2) !important;
}

.desktop-filter-footer .btn-primary:hover {
    background: linear-gradient(135deg, #a95a17 0%, #CF5C09 100%) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 16px rgba(207, 92, 9, 0.3) !important;
}

/* Desktop Filters */
.course-all-category.desktop-filters {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.desktop-filter {
    width: 100% !important;
    padding: 8px 12px !important;
    border: 1px solid #e0e0e0 !important;
    border-radius: 6px !important;
    background-color: #fff !important;
    font-size: 13px !important;
    color: #333 !important;
    transition: all 0.3s ease !important;
    cursor: pointer !important;
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m1 6 7 7 7-7'/%3e%3c/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: right 10px center !important;
    background-size: 14px 10px !important;
    padding-right: 35px !important;
    box-sizing: border-box !important;
    margin-bottom: 5px !important;
}

.desktop-filter:hover {
    border-color: #CF5C09 !important;
    box-shadow: 0 2px 8px rgba(207, 92, 9, 0.1) !important;
}

.desktop-filter:focus {
    outline: none !important;
    border-color: #CF5C09 !important;
    box-shadow: 0 0 0 3px rgba(207, 92, 9, 0.1) !important;
}

.desktop-filter:not([value="all"]) {
    border-color: #CF5C09 !important;
    background-color: #fff8f5 !important;
}

/* Mobile Filter Button */
.mobile-filter-button {
    display: none !important;
    margin-top: 120px !important;
}

/* Ensure only one button is visible on mobile */
@media (max-width: 768px) {
    .desktop-filter-button,
    .desktop-filter-button * {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        position: absolute !important;
        left: -9999px !important;
        width: 0 !important;
        height: 0 !important;
        overflow: hidden !important;
    }
    
    .mobile-filter-button {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: static !important;
        left: auto !important;
        width: auto !important;
        height: auto !important;
        overflow: visible !important;
        margin-bottom: 20px !important;
    }
}

/* Mobile Filter Modal */
.mobile-filter-modal {
    display: none !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    z-index: 9999 !important;
}

.mobile-filter-modal.active {
    display: block !important;
}

.mobile-filter-overlay {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background-color: rgba(0, 0, 0, 0.6) !important;
    z-index: 9998 !important;
    backdrop-filter: blur(4px) !important;
    animation: fadeIn 0.3s ease !important;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.mobile-filter-content {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    width: 100% !important;
    background-color: white !important;
    border-radius: 24px 24px 0 0 !important;
    z-index: 9999 !important;
    max-height: 85vh !important;
    overflow-y: auto !important;
    animation: slideUp 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) !important;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.1) !important;
}

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

.mobile-filter-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 24px 20px 20px 20px !important;
    border-bottom: 1px solid #f0f0f0 !important;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%) !important;
    border-radius: 24px 24px 0 0 !important;
}

.mobile-filter-header h3 {
    margin: 0 !important;
    font-size: 20px !important;
    font-weight: 700 !important;
    color: #333 !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
}

.mobile-filter-header h3::before {
    content: "🔍" !important;
    font-size: 18px !important;
}

.close-btn {
    background: none !important;
    border: none !important;
    font-size: 24px !important;
    color: #666 !important;
    cursor: pointer !important;
    padding: 8px !important;
    border-radius: 50% !important;
    transition: all 0.3s ease !important;
    width: 40px !important;
    height: 40px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.close-btn:hover {
    background-color: #f0f0f0 !important;
    color: #333 !important;
}

.mobile-filter-body {
    padding: 20px !important;
}

.mobile-filter-section {
    margin-bottom: 12px !important;
}

.mobile-filter-section h4 {
    margin-bottom: 6px !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    color: #333 !important;
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    padding-bottom: 4px !important;
    border-bottom: 1px solid #f0f0f0 !important;
}

.mobile-filter-section h4::before {
    content: "📋" !important;
    font-size: 14px !important;
}

.mobile-filter-section:nth-child(1) h4::before { content: "📚" !important; }
.mobile-filter-section:nth-child(2) h4::before { content: "💰" !important; }
.mobile-filter-section:nth-child(3) h4::before { content: "📈" !important; }
.mobile-filter-section:nth-child(4) h4::before { content: "🌍" !important; }
.mobile-filter-section:nth-child(5) h4::before { content: "⭐" !important; }

.mobile-filter-footer {
    display: flex !important;
    gap: 12px !important;
    padding: 20px !important;
    border-top: 1px solid #f0f0f0 !important;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%) !important;
    position: sticky !important;
    bottom: 0 !important;
}

.mobile-filter-footer .btn {
    flex: 1 !important;
    padding: 14px 20px !important;
    border-radius: 12px !important;
    font-weight: 600 !important;
    font-size: 16px !important;
    transition: all 0.3s ease !important;
    border: none !important;
    cursor: pointer !important;
}

.mobile-filter-footer .btn-secondary {
    background-color: #f8f9fa !important;
    color: #666 !important;
    border: 2px solid #e0e0e0 !important;
}

.mobile-filter-footer .btn-secondary:hover {
    background-color: #e9ecef !important;
    color: #333 !important;
    border-color: #adb5bd !important;
}

.mobile-filter-footer .btn-primary {
    background: linear-gradient(135deg, #CF5C09 0%, #a95a17 100%) !important;
    color: white !important;
    box-shadow: 0 4px 12px rgba(207, 92, 9, 0.2) !important;
}

.mobile-filter-footer .btn-primary:hover {
    background: linear-gradient(135deg, #a95a17 0%, #CF5C09 100%) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 16px rgba(207, 92, 9, 0.3) !important;
}

/* Filter Dropdown Styles */
.filter-dropdown {
    margin-bottom: 5px !important;
}

.filter-select {
    width: 100% !important;
    padding: 8px 12px !important;
    border: 1px solid #e0e0e0 !important;
    border-radius: 6px !important;
    background-color: #fff !important;
    font-size: 13px !important;
    color: #333 !important;
    transition: all 0.3s ease !important;
    cursor: pointer !important;
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m1 6 7 7 7-7'/%3e%3c/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: right 10px center !important;
    background-size: 14px 10px !important;
    padding-right: 35px !important;
    box-sizing: border-box !important;
}

.filter-select:hover {
    border-color: #CF5C09 !important;
    box-shadow: 0 2px 8px rgba(207, 92, 9, 0.1) !important;
}

.filter-select:focus {
    outline: none !important;
    border-color: #CF5C09 !important;
    box-shadow: 0 0 0 3px rgba(207, 92, 9, 0.1) !important;
}

.filter-select option {
    padding: 8px 12px !important;
    font-size: 14px !important;
}

/* Course Category Styles */
.course-category {
    margin-bottom: 8px !important;
    padding: 10px !important;
    background: #fff !important;
    border-radius: 8px !important;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04) !important;
    border: 1px solid #f0f0f0 !important;
}

.course-category h3 {
    font-size: 14px !important;
    font-weight: 600 !important;
    color: #333 !important;
    margin-bottom: 8px !important;
    padding-bottom: 6px !important;
    border-bottom: 2px solid #CF5C09 !important;
    position: relative !important;
}

.course-category h3::after {
    content: '' !important;
    position: absolute !important;
    bottom: -2px !important;
    left: 0 !important;
    width: 30px !important;
    height: 2px !important;
    background: linear-gradient(90deg, #CF5C09, #a95a17) !important;
    border-radius: 1px !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .desktop-filter-button {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        position: absolute !important;
        left: -9999px !important;
    }
    
    .desktop-filters-container {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
    }
    
    .mobile-filter-button {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        margin-bottom: 20px !important;
    }
    
    .mobile-filter-modal.active {
        display: block !important;
    }
    
    .course-category {
        margin-bottom: 20px !important;
        padding: 15px !important;
    }
    
    .filter-select {
        padding: 14px 15px !important;
        font-size: 16px !important; /* Larger font for mobile */
    }
    
    .mobile-filter-button .filter-toggle-btn {
        padding: 12px 16px !important;
        font-size: 15px !important;
    }
}

@media (max-width: 480px) {
    .mobile-filter-content {
        max-height: 90vh !important;
    }
    
    .mobile-filter-header {
        padding: 20px 15px 15px 15px !important;
    }
    
    .mobile-filter-body {
        padding: 15px !important;
    }
    
    .mobile-filter-footer {
        padding: 15px !important;
    }
    
    .mobile-filter-section {
        margin-bottom: 25px !important;
    }
}

/* Scrollbar Styling for Mobile Modal */
.mobile-filter-content::-webkit-scrollbar {
    width: 6px !important;
}

.mobile-filter-content::-webkit-scrollbar-track {
    background: #f1f1f1 !important;
    border-radius: 3px !important;
}

.mobile-filter-content::-webkit-scrollbar-thumb {
    background: #CF5C09 !important;
    border-radius: 3px !important;
}

.mobile-filter-content::-webkit-scrollbar-thumb:hover {
    background: #a95a17 !important;
}

/* Loading State */
.filter-select:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
}

/* Active Filter Indicator */
.filter-select:not([value="all"]) {
    border-color: #CF5C09 !important;
    background-color: #fff8f5 !important;
}

/* Animation for filter changes */
.filter-select {
    transition: all 0.3s ease !important;
}

.filter-select:focus {
    transform: scale(1.02) !important;
}

/* Enhanced accessibility */
.filter-select:focus-visible {
    outline: 2px solid #CF5C09 !important;
    outline-offset: 2px !important;
}

/* Dark mode support (if needed) */
@media (prefers-color-scheme: dark) {
    .mobile-filter-content {
        background-color: #1a1a1a !important;
        color: #fff !important;
    }
    
    .mobile-filter-header,
    .mobile-filter-footer {
        background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%) !important;
        border-color: #333 !important;
    }
    
    .filter-select {
        background-color: #2a2a2a !important;
        color: #fff !important;
        border-color: #444 !important;
    }
    
    .filter-select option {
        background-color: #2a2a2a !important;
        color: #fff !important;
    }
}