/**
 * Advanced Search & Filtering System Styles
 * Implements visual design for PRD-003
 */

/* Filter Panel - Desktop */
.filter-panel {
    position: fixed;
    top: 0;
    left: -300px;
    width: 280px;
    height: 100vh;
    background: var(--card-bg, #1a1a2e);
    border-right: 1px solid var(--border-color, #333);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
    transition: left 0.3s ease;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.filter-panel.open {
    left: 0;
}

.filter-panel.mobile {
    left: unset;
    right: -100%;
    width: 100%;
    max-width: 400px;
    transition: right 0.3s ease;
}

.filter-panel.mobile.open {
    right: 0;
}

/* Filter Panel Header */
.filter-panel-header {
    padding: 1rem;
    background: var(--primary-color, #007bff);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.filter-panel-header h3 {
    margin: 0;
    font-size: 1.2rem;
}

.filter-close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    transition: transform 0.2s;
}

.filter-close-btn:hover {
    transform: scale(1.1);
}

/* Filter Panel Body */
.filter-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.filter-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color, #333);
}

.filter-section:last-child {
    border-bottom: none;
}

.filter-section h4 {
    margin: 0 0 0.75rem 0;
    font-size: 1rem;
    color: var(--text-primary, #fff);
    font-weight: 600;
}

.filter-section h5 {
    margin: 0.5rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary, #999);
}

/* Quick Preset Buttons */
.preset-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.preset-btn {
    padding: 0.5rem;
    background: var(--button-bg, #2a2a3e);
    border: 1px solid var(--border-color, #333);
    border-radius: 8px;
    color: var(--text-primary, #fff);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.preset-btn:hover {
    background: var(--primary-color, #007bff);
    transform: translateY(-2px);
}

.preset-btn i {
    font-size: 0.9rem;
}

/* Search Input */
.search-input-wrapper {
    position: relative;
}

.filter-search-input {
    width: 100%;
    padding: 0.75rem;
    background: var(--input-bg, #2a2a3e);
    border: 1px solid var(--border-color, #333);
    border-radius: 8px;
    color: var(--text-primary, #fff);
    font-size: 0.95rem;
}

.filter-search-input:focus {
    outline: none;
    border-color: var(--primary-color, #007bff);
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

/* Search Suggestions */
.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card-bg, #1a1a2e);
    border: 1px solid var(--border-color, #333);
    border-radius: 0 0 8px 8px;
    max-height: 200px;
    overflow-y: auto;
    display: none;
    z-index: 10;
}

.search-suggestion {
    padding: 0.75rem;
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.search-suggestion:hover {
    background: var(--hover-bg, #2a2a3e);
}

/* Search History */
.search-history-wrapper {
    margin-top: 1rem;
    display: none;
}

.search-history {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.search-history-item {
    padding: 0.5rem;
    background: var(--button-bg, #2a2a3e);
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.search-history-item:hover {
    background: var(--hover-bg, #3a3a4e);
}

/* Genre Filter */
.genre-filter {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    max-height: 300px;
    overflow-y: auto;
}

.genre-checkbox,
.streaming-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: background 0.2s;
}

.genre-checkbox:hover,
.streaming-checkbox:hover {
    background: var(--hover-bg, #2a2a3e);
}

.genre-checkbox input,
.streaming-checkbox input {
    cursor: pointer;
}

/* Range Sliders */
.range-slider-container {
    margin-top: 0.5rem;
}

.range-values {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary, #999);
}

.dual-range-slider {
    position: relative;
    height: 40px;
    display: flex;
    align-items: center;
}

.range-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--slider-bg, #333);
    border-radius: 3px;
    outline: none;
    position: absolute;
    pointer-events: none;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--primary-color, #007bff);
    border-radius: 50%;
    cursor: pointer;
    pointer-events: all;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.range-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--primary-color, #007bff);
    border-radius: 50%;
    cursor: pointer;
    pointer-events: all;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Select Dropdowns */
.filter-select {
    width: 100%;
    padding: 0.5rem;
    background: var(--input-bg, #2a2a3e);
    border: 1px solid var(--border-color, #333);
    border-radius: 6px;
    color: var(--text-primary, #fff);
    font-size: 0.9rem;
    cursor: pointer;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color, #007bff);
}

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

/* Sort Controls */
.sort-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.sort-controls .filter-select {
    flex: 1;
}

.sort-order-buttons {
    display: flex;
    gap: 0.25rem;
}

.sort-order-btn {
    padding: 0.5rem;
    background: var(--button-bg, #2a2a3e);
    border: 1px solid var(--border-color, #333);
    border-radius: 6px;
    color: var(--text-secondary, #999);
    cursor: pointer;
    transition: all 0.2s;
}

.sort-order-btn.active {
    background: var(--primary-color, #007bff);
    color: white;
    border-color: var(--primary-color, #007bff);
}

.sort-order-btn:hover:not(.active) {
    background: var(--hover-bg, #3a3a4e);
}

/* Saved Searches */
.saved-search-controls {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.saved-searches-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.saved-search-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem;
    background: var(--button-bg, #2a2a3e);
    border-radius: 6px;
}

.saved-search-item .search-name {
    flex: 1;
    font-size: 0.9rem;
}

.saved-search-item .search-date {
    font-size: 0.8rem;
    color: var(--text-secondary, #999);
    margin: 0 0.5rem;
}

.btn-small {
    padding: 0.25rem 0.5rem;
    font-size: 0.85rem;
    background: var(--button-bg, #2a2a3e);
    border: 1px solid var(--border-color, #333);
    border-radius: 4px;
    color: var(--text-primary, #fff);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-small:hover {
    background: var(--hover-bg, #3a3a4e);
}

.btn-small.btn-primary {
    background: var(--primary-color, #007bff);
    border-color: var(--primary-color, #007bff);
}

.btn-small.btn-danger {
    background: var(--danger-color, #dc3545);
    border-color: var(--danger-color, #dc3545);
}

/* Filter Panel Footer */
.filter-panel-footer {
    padding: 1rem;
    background: var(--footer-bg, #0f0f1e);
    border-top: 1px solid var(--border-color, #333);
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.filter-panel-footer .btn {
    flex: 1;
    padding: 0.75rem;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-secondary {
    background: var(--button-bg, #2a2a3e);
    color: var(--text-primary, #fff);
}

.btn-primary {
    background: var(--primary-color, #007bff);
    color: white;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* Active Filters Bar */
.active-filters-bar {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--card-bg, #1a1a2e);
    border-bottom: 1px solid var(--border-color, #333);
    padding: 0.75rem 1rem;
    z-index: 900;
    display: none;
}

.active-filters-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.active-filters-label {
    font-size: 0.9rem;
    color: var(--text-secondary, #999);
    font-weight: 600;
}

.filter-chips {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    flex: 1;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.75rem;
    background: var(--primary-color, #007bff);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
}

.chip-remove {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0;
    font-size: 0.9rem;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.chip-remove:hover {
    opacity: 1;
}

.clear-filters-btn {
    padding: 0.5rem 1rem;
    background: var(--danger-color, #dc3545);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.clear-filters-btn:hover {
    background: var(--danger-hover, #c82333);
}

/* Mobile Filter Toggle */
.mobile-filter-toggle {
    display: none;
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-color, #007bff);
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.4);
    cursor: pointer;
    z-index: 999;
    transition: all 0.3s;
}

.mobile-filter-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.6);
}

.mobile-filter-toggle i {
    font-size: 1.5rem;
}

.filter-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--danger-color, #dc3545);
    color: white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: bold;
}

/* Search Results Container */
#searchResults {
    padding: 2rem;
    min-height: 400px;
}

.search-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color, #333);
    border-top-color: var(--primary-color, #007bff);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.search-error,
.no-results {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary, #999);
}

.search-error i,
.no-results i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Results Header */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color, #333);
    flex-wrap: wrap;
    gap: 1rem;
}

.results-info {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex: 1;
}

.results-count {
    font-size: 1.1rem;
    color: var(--text-primary, #fff);
}

.results-count strong {
    color: var(--primary-color, #007bff);
    font-size: 1.3rem;
}

/* Sort Controls */
.sort-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sort-controls label {
    font-size: 0.9rem;
    color: var(--text-secondary, #999);
    white-space: nowrap;
}

.sort-select {
    padding: 0.4rem 0.8rem;
    background: var(--input-bg, #2a2a3e);
    border: 1px solid var(--border-color, #333);
    border-radius: 6px;
    color: var(--text-primary, #fff);
    font-size: 0.9rem;
    cursor: pointer;
    min-width: 120px;
}

.sort-select:focus {
    outline: none;
    border-color: var(--primary-color, #007bff);
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.sort-order-btn {
    padding: 0.4rem 0.6rem;
    background: var(--button-bg, #2a2a3e);
    border: 1px solid var(--border-color, #333);
    border-radius: 6px;
    color: var(--text-secondary, #999);
    cursor: pointer;
    transition: all 0.2s;
}

.sort-order-btn.active {
    background: var(--primary-color, #007bff);
    color: white;
    border-color: var(--primary-color, #007bff);
}

.sort-order-btn:hover {
    background: var(--hover-bg, #3a3a4e);
}

.sort-order-btn.active:hover {
    background: var(--primary-hover, #0056b3);
}

.view-controls {
    display: flex;
    gap: 0.5rem;
}

.view-btn {
    padding: 0.5rem 0.75rem;
    background: var(--button-bg, #2a2a3e);
    border: 1px solid var(--border-color, #333);
    border-radius: 6px;
    color: var(--text-secondary, #999);
    cursor: pointer;
    transition: all 0.2s;
}

.view-btn.active {
    background: var(--primary-color, #007bff);
    color: white;
    border-color: var(--primary-color, #007bff);
}

/* Search Results Grid */
.search-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.search-results-grid.list-mode {
    grid-template-columns: 1fr;
}

.search-results-grid.list-mode .movie-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem;
}

.search-results-grid.list-mode .movie-poster {
    width: 100px;
    height: 150px;
    padding-bottom: 0;
    flex-shrink: 0;
}

.search-results-grid.list-mode .movie-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.search-results-grid.list-mode .movie-title {
    font-size: 1.1rem;
    white-space: normal;
}

.search-results-grid.list-mode .movie-hover-info {
    display: none;
}

/* Movie Cards */
.movie-card {
    background: var(--card-bg, #1a1a2e);
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.movie-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.movie-poster {
    position: relative;
    width: 100%;
    padding-bottom: 150%;
    overflow: hidden;
    background: var(--card-bg, #2a2a3e);
}

.movie-poster img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

/* Movie Hover Info */
.movie-hover-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.7) 50%, transparent 100%);
    color: white;
    padding: 1rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    opacity: 0;
}

.movie-card:hover .movie-hover-info {
    transform: translateY(0);
    opacity: 1;
}

.movie-hover-info p {
    margin: 0;
    font-size: 0.85rem;
    line-height: 1.4;
}

.streaming-badges {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.streaming-badge {
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    white-space: nowrap;
}

.movie-info {
    padding: 1rem;
}

.movie-title {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    color: var(--text-primary, #fff);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 600;
    line-height: 1.2;
}

.movie-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary, #999);
    font-size: 0.85rem;
}

.movie-rating {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.movie-rating i {
    color: var(--warning-color, #ffc107);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
}

.pagination-btn {
    padding: 0.5rem 1rem;
    background: var(--button-bg, #2a2a3e);
    border: 1px solid var(--border-color, #333);
    border-radius: 6px;
    color: var(--text-primary, #fff);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pagination-btn:hover {
    background: var(--primary-color, #007bff);
    border-color: var(--primary-color, #007bff);
}

.page-numbers {
    display: flex;
    gap: 0.5rem;
}

.page-number {
    padding: 0.5rem 0.75rem;
    background: var(--button-bg, #2a2a3e);
    border: 1px solid var(--border-color, #333);
    border-radius: 6px;
    color: var(--text-primary, #fff);
    cursor: pointer;
    transition: all 0.2s;
    min-width: 40px;
    text-align: center;
}

.page-number.active {
    background: var(--primary-color, #007bff);
    border-color: var(--primary-color, #007bff);
}

.page-number:hover:not(.active) {
    background: var(--hover-bg, #3a3a4e);
}

.page-ellipsis {
    padding: 0.5rem;
    color: var(--text-secondary, #999);
}

/* Import/Export Modal */
.import-export-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.import-export-modal .modal-content {
    background: var(--card-bg, #1a1a2e);
    padding: 2rem;
    border-radius: 12px;
    position: relative;
    min-width: 300px;
}

.import-export-modal h3 {
    margin: 0 0 1.5rem 0;
    color: var(--text-primary, #fff);
}

.modal-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-secondary, #999);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--text-primary, #fff);
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-filter-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .filter-panel.desktop {
        display: none;
    }
    
    .active-filters-bar {
        top: 0;
    }
    
    .search-results-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
    }
    
    .pagination {
        flex-wrap: wrap;
    }
    
    .page-numbers {
        order: 2;
        width: 100%;
        justify-content: center;
        margin-top: 0.5rem;
    }
}

@media (max-width: 480px) {
    .search-results-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

/* Advanced Search Results Modal Specific Styles */
#advancedSearchModal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

#advancedSearchModal.show {
    display: flex !important;
}

#advancedSearchModal .search-modal-content {
    background: var(--card-bg, #1a1a2e);
    border-radius: 12px;
    width: 90%;
    max-width: 1200px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

#advancedSearchModal .search-container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

#advancedSearchModal .search-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color, #333);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

#advancedSearchModal .search-header h2 {
    margin: 0;
    color: var(--text-primary, #fff);
    font-size: 1.5rem;
}

#advancedSearchModal .close-btn {
    background: none;
    border: none;
    color: var(--text-secondary, #999);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: color 0.2s;
}

#advancedSearchModal .close-btn:hover {
    color: var(--text-primary, #fff);
}

#advancedSearchResults {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    min-height: 400px;
    max-height: calc(90vh - 100px);
}

/* Scrollbar Styling */
#advancedSearchResults::-webkit-scrollbar {
    width: 8px;
}

#advancedSearchResults::-webkit-scrollbar-track {
    background: var(--card-bg, #1a1a2e);
    border-radius: 4px;
}

#advancedSearchResults::-webkit-scrollbar-thumb {
    background: var(--primary-color, #007bff);
    border-radius: 4px;
}

#advancedSearchResults::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover, #0056b3);
}

/* Light mode specific for Advanced Search Modal */
[data-theme="light"] #advancedSearchModal .search-modal-content {
    background: #ffffff;
}

[data-theme="light"] #advancedSearchModal .search-header {
    border-bottom: 1px solid #e0e0e0;
}

[data-theme="light"] #advancedSearchModal .search-header h2 {
    color: #2c3e50;
}

[data-theme="light"] #advancedSearchModal .close-btn {
    color: #666666;
}

[data-theme="light"] #advancedSearchModal .close-btn:hover {
    color: #2c3e50;
}
    
    .preset-buttons {
        grid-template-columns: 1fr;
    }
    
    .genre-filter {
        grid-template-columns: 1fr;
    }
}