/* Advanced Features Styles */

/* ===== ADVANCED SEARCH PANEL ===== */
.advanced-search-panel {
    padding: 8px var(--spacing-md) 0;
    background: transparent;
    border-radius: 0;
    margin-top: 0;
    max-width: 100%;
    overflow-x: hidden;
}

.advanced-search-header {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 0;
    margin-top: 0;
}

.toggle-filters-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: rgba(215, 193, 169, 0.25);
    border: 1px solid rgba(168, 155, 141, 0.3);
    border-radius: 16px;
    color: var(--color-text-body);
    font-family: var(--font-ui);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin: 0;
    flex-shrink: 0;
}

.toggle-filters-btn:hover {
    background: rgba(215, 193, 169, 0.4);
    transform: scale(1.05);
}

.toggle-filters-btn:active {
    transform: scale(0.95);
}

.filters-container {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.filters-container.active {
    max-height: 1000px;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-md) 0;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--color-accent) rgba(0, 0, 0, 0.1);
}

.filters-container.active::-webkit-scrollbar {
    width: 4px;
}

.filters-container.active::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
}

.filters-container.active::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: 2px;
}

.filters-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .filters-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
}

@media (min-width: 1024px) {
    .filters-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.filter-group {
    margin-bottom: 0;
}

.filter-label {
    display: block;
    font-family: var(--font-display);
    font-size: var(--text-sm);
    color: var(--color-text-title);
    margin-bottom: 4px;
    font-weight: 500;
}

.filter-select,
.filter-input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--color-divider);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.8);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--color-text-body);
    transition: border-color 0.2s ease;
}

.filter-select:focus,
.filter-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.range-inputs {
    display: flex;
    align-items: center;
    gap: 12px;
}

.range-inputs input {
    flex: 1;
}

.range-inputs span {
    color: var(--color-text-title);
    font-size: var(--text-lg);
}

.filter-actions {
    display: flex;
    gap: 10px;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-divider);
    position: sticky;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(255, 255, 255, 0.95) 10%, rgba(255, 255, 255, 0.95) 100%);
    backdrop-filter: blur(10px);
    z-index: 10;
}

.filter-btn {
    flex: 1;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.apply-btn {
    background: var(--color-accent);
    color: var(--color-text-body);
}

.apply-btn:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

.reset-btn {
    background: rgba(168, 155, 141, 0.3);
    color: var(--color-text-body);
}

.reset-btn:hover {
    background: rgba(168, 155, 141, 0.5);
}

/* ===== TAGS SYSTEM ===== */
.available-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    max-height: 120px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 4px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 6px;
}

.tag-checkbox {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    background: rgba(215, 193, 169, 0.3);
    border: 1px solid transparent;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tag-checkbox:hover {
    background: rgba(215, 193, 169, 0.5);
    transform: scale(1.05);
}

.tag-checkbox:active {
    transform: scale(0.95);
}

.tag-checkbox-input {
    display: none;
}

.tag-checkbox-input:checked + .tag-checkbox-label {
    font-weight: bold;
}

.tag-checkbox:has(.tag-checkbox-input:checked) {
    background: var(--color-accent);
    border-color: var(--color-divider);
}

.tag-checkbox-label {
    font-family: var(--font-ui);
    font-size: 12px;
    color: var(--color-text-body);
}

.poem-tags-container {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: rgba(215, 193, 169, 0.2);
    border-radius: var(--border-radius);
}

.poem-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.poem-tag {
    padding: 6px 14px;
    background: var(--color-accent);
    border-radius: 16px;
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    color: var(--color-text-body);
    cursor: pointer;
    transition: all 0.3s ease;
}

.poem-tag:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

/* ===== SEARCH RESULTS WITH HIGHLIGHTING ===== */
.search-result-item {
    padding: var(--spacing-sm);
    background: rgba(232, 230, 223, 0.6);
    border-radius: 8px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.search-result-item:hover {
    background: rgba(215, 193, 169, 0.5);
    transform: translateX(-4px);
    border-color: var(--color-divider);
}

.search-result-item:active {
    transform: scale(0.98);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 6px;
}

.result-title {
    font-family: var(--font-display);
    font-size: var(--text-base);
    color: var(--color-text-title);
    margin: 0;
    line-height: 1.4;
}

.result-badges {
    display: flex;
    gap: 4px;
}

.badge {
    padding: 3px 6px;
    border-radius: 10px;
    font-size: 11px;
    font-family: var(--font-ui);
}

.read-badge {
    background: rgba(95, 111, 82, 0.3);
    color: var(--color-loss);
}

.favorite-badge {
    background: rgba(212, 165, 116, 0.3);
}

.result-teaser {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--color-text-body);
    margin: 6px 0;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.result-meta {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-top: 6px;
}

.result-category {
    padding: 3px 10px;
    border-radius: 10px;
    font-size: 11px;
    font-family: var(--font-ui);
    color: white;
}

.result-word-count {
    font-size: 11px;
    color: var(--color-shadow);
    font-family: var(--font-ui);
}

.search-highlight {
    background: rgba(212, 165, 116, 0.4);
    padding: 2px 4px;
    border-radius: 3px;
    font-weight: bold;
}

/* ===== SEARCH HISTORY ===== */
.search-history {
    margin-top: 0;
    margin-bottom: 8px;
    padding: 0;
    background: transparent;
    border-radius: 0;
    display: block;
    visibility: visible;
    opacity: 1;
}

.search-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    gap: 12px;
}

.search-history h4 {
    font-family: var(--font-display);
    font-size: 14px;
    color: var(--color-text-title);
    margin: 0;
    font-weight: 600;
    flex: 1;
}

.history-items {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 180px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    min-height: 0;
}


.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: rgba(232, 230, 223, 0.4);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 40px;
    touch-action: manipulation;
}

.history-item:hover {
    background: rgba(215, 193, 169, 0.4);
}

.history-item:active {
    background: rgba(215, 193, 169, 0.6);
    transform: scale(0.98);
}

.history-text {
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--color-text-body);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.history-delete {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--color-shadow);
    cursor: pointer;
    padding: 0 6px;
    transition: color 0.2s ease;
    min-width: 40px;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    touch-action: manipulation;
}

.history-delete:hover {
    color: var(--color-loss);
}

.history-delete:active {
    transform: scale(0.9);
}

.empty-history {
    text-align: center;
    color: var(--color-shadow);
    font-family: var(--font-body);
    font-size: 13px;
    padding: var(--spacing-sm);
    display: block;
}

/* ===== COLLECTIONS PANEL ===== */
.collections-panel {
    position: fixed;
    top: 0;
    right: -100%;
    width: 90%;
    max-width: 400px;
    height: 100vh;
    background: linear-gradient(135deg, rgba(232, 230, 223, 0.98) 0%, rgba(215, 193, 169, 0.98) 100%);
    backdrop-filter: blur(10px);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.2);
    z-index: 150;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

.collections-panel.active {
    right: 0;
}

.collections-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 2px solid var(--color-divider);
    position: sticky;
    top: 0;
    background: rgba(232, 230, 223, 0.95);
    backdrop-filter: blur(10px);
    z-index: 10;
}

.collections-header h2 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    color: var(--color-text-title);
}

.collections-close {
    background: none;
    border: none;
    font-size: 32px;
    color: var(--color-text-title);
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.collections-close:hover {
    transform: rotate(90deg);
}

.collections-content {
    padding: var(--spacing-md);
}

.create-collection-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px;
    background: var(--color-accent);
    border: 2px dashed var(--color-text-title);
    border-radius: var(--border-radius);
    font-family: var(--font-display);
    font-size: var(--text-base);
    color: var(--color-text-body);
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: var(--spacing-md);
}

.create-collection-btn:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

.collections-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.collection-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.collection-item:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateX(-4px);
}

.collection-info h3 {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    color: var(--color-text-title);
    margin: 0 0 4px 0;
}

.collection-count {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    color: var(--color-shadow);
    margin: 0;
}

.collection-actions {
    display: flex;
    gap: 8px;
}

.collection-view-btn,
.collection-delete-btn {
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--color-text-title);
    transition: all 0.3s ease;
    border-radius: 8px;
}

.collection-view-btn:hover {
    background: rgba(212, 165, 116, 0.3);
}

.collection-delete-btn:hover {
    background: rgba(95, 111, 82, 0.3);
    color: var(--color-loss);
}

.empty-collections {
    text-align: center;
    color: var(--color-shadow);
    font-family: var(--font-body);
    font-size: var(--text-base);
    padding: var(--spacing-xl);
}

/* ===== COLLECTION DIALOG ===== */
.collection-dialog {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: var(--spacing-md);
}

.dialog-content {
    background: linear-gradient(135deg, #E8E6DF 0%, #D7C1A9 100%);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    max-width: 400px;
    width: 100%;
    box-shadow: var(--shadow-strong);
}

.dialog-content h3 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    color: var(--color-text-title);
    margin-bottom: var(--spacing-md);
}

.dialog-input {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--color-divider);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: var(--text-base);
    margin-bottom: var(--spacing-md);
}

.color-picker {
    margin-bottom: var(--spacing-md);
}

.color-picker label {
    display: block;
    font-family: var(--font-display);
    font-size: var(--text-base);
    color: var(--color-text-title);
    margin-bottom: 8px;
}

.color-options {
    display: flex;
    gap: 12px;
}

.color-option {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.color-option:hover {
    transform: scale(1.1);
}

.color-option.selected {
    border-color: var(--color-text-title);
    transform: scale(1.15);
}

.dialog-actions {
    display: flex;
    gap: 12px;
}

.dialog-btn {
    flex: 1;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-family: var(--font-ui);
    font-size: var(--text-base);
    cursor: pointer;
    transition: all 0.3s ease;
}

.cancel-btn {
    background: rgba(168, 155, 141, 0.3);
    color: var(--color-text-body);
}

.cancel-btn:hover {
    background: rgba(168, 155, 141, 0.5);
}

.create-btn {
    background: var(--color-accent);
    color: var(--color-text-body);
}

.create-btn:hover {
    background: var(--color-accent-hover);
}

/* ===== ADD TO COLLECTION MENU ===== */
.add-to-collection-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 400;
    padding: var(--spacing-md);
}

.menu-content {
    background: linear-gradient(135deg, #E8E6DF 0%, #D7C1A9 100%);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    max-width: 400px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-strong);
}

.menu-content h4 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    color: var(--color-text-title);
    margin-bottom: var(--spacing-md);
}

.collections-checkboxes {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: var(--spacing-md);
}

.collection-checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.collection-checkbox:hover {
    background: rgba(255, 255, 255, 0.9);
}

.collection-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.collection-checkbox span {
    font-family: var(--font-display);
    font-size: var(--text-base);
}

.menu-close-btn {
    width: 100%;
    padding: 12px 24px;
    background: var(--color-accent);
    border: none;
    border-radius: 8px;
    font-family: var(--font-ui);
    font-size: var(--text-base);
    color: var(--color-text-body);
    cursor: pointer;
    transition: all 0.3s ease;
}

.menu-close-btn:hover {
    background: var(--color-accent-hover);
}

.add-to-collection-btn {
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--color-text-title);
    transition: all 0.3s ease;
    border-radius: 8px;
}

.add-to-collection-btn:hover {
    background: rgba(212, 165, 116, 0.3);
}

/* ===== SHARING SYSTEM ===== */
.share-poem-btn {
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--color-text-title);
    transition: all 0.3s ease;
    border-radius: 8px;
}

.share-poem-btn:hover {
    background: rgba(212, 165, 116, 0.3);
}

.share-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 400;
    padding: var(--spacing-md);
}

.share-menu-content {
    background: linear-gradient(135deg, #E8E6DF 0%, #D7C1A9 100%);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    max-width: 400px;
    width: 100%;
    box-shadow: var(--shadow-strong);
}

.share-menu-content h4 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    color: var(--color-text-title);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.share-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: var(--spacing-md);
}

.share-option {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.6);
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-display);
    font-size: var(--text-base);
    color: var(--color-text-body);
    cursor: pointer;
    transition: all 0.3s ease;
}

.share-option:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateX(-4px);
}

.share-option svg {
    flex-shrink: 0;
}

.share-close-btn {
    width: 100%;
    padding: 12px 24px;
    background: rgba(168, 155, 141, 0.3);
    border: none;
    border-radius: 8px;
    font-family: var(--font-ui);
    font-size: var(--text-base);
    color: var(--color-text-body);
    cursor: pointer;
    transition: all 0.3s ease;
}

.share-close-btn:hover {
    background: rgba(168, 155, 141, 0.5);
}

.share-toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 16px 24px;
    background: var(--color-accent);
    color: var(--color-text-body);
    font-family: var(--font-display);
    font-size: var(--text-base);
    border-radius: 8px;
    box-shadow: var(--shadow-medium);
    z-index: 250;
    opacity: 0;
    transition: all 0.3s ease;
}

.share-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ===== ENHANCED AUDIO VISUALIZATION ===== */
#enhancedAudioVisualization {
    filter: drop-shadow(0 4px 8px rgba(139, 115, 85, 0.3));
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .advanced-search-panel {
        padding: 4px var(--spacing-sm) 0;
    }
    
    .filters-container.active {
        max-height: calc(70vh - 100px);
        padding: var(--spacing-sm) var(--spacing-xs) 100px;
        margin-bottom: 0;
    }
    
    .filters-grid {
        gap: var(--spacing-xs);
    }
    
    .filter-group {
        background: rgba(255, 255, 255, 0.8);
        padding: var(--spacing-sm);
        border-radius: 8px;
        border: 1px solid var(--color-divider);
    }
    
    .filter-label {
        font-size: 13px;
        margin-bottom: 6px;
        display: flex;
        align-items: center;
        gap: 4px;
    }
    
    .filter-select,
    .filter-input {
        padding: 10px 8px;
        font-size: 14px;
    }
    
    .range-inputs {
        gap: 8px;
    }
    
    .range-inputs span {
        font-size: 14px;
    }
    
    .available-tags {
        max-height: 100px;
        gap: 4px;
        padding: 6px;
    }
    
    .tag-checkbox {
        padding: 5px 8px;
    }
    
    .tag-checkbox-label {
        font-size: 11px;
    }
    
    .filter-actions {
        position: fixed;
        bottom: calc(var(--footer-height) + 8px);
        left: 0;
        right: 0;
        padding: var(--spacing-md);
        margin: 0;
        gap: 10px;
        background: linear-gradient(to bottom, 
            rgba(255, 255, 255, 0.7) 0%, 
            rgba(255, 255, 255, 0.98) 10%, 
            rgba(255, 255, 255, 1) 20%, 
            rgba(255, 255, 255, 1) 100%);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        box-shadow: 0 -6px 20px rgba(0, 0, 0, 0.15);
        z-index: 105;
        border-top: 2px solid var(--color-divider);
        pointer-events: auto;
    }
    
    .filters-container:not(.active) + * .filter-actions,
    .filters-container:not(.active) .filter-actions {
        display: none;
    }
    
    .filter-btn {
        padding: 16px 24px;
        font-size: 16px;
        font-weight: 600;
        border-radius: 10px;
        box-shadow: 0 3px 12px rgba(0, 0, 0, 0.15);
        min-height: 48px;
    }
    
    .apply-btn {
        background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
        color: white;
    }
    
    .reset-btn {
        background: linear-gradient(135deg, rgba(168, 155, 141, 0.6) 0%, rgba(168, 155, 141, 0.8) 100%);
        color: var(--color-text-title);
    }
    
    .toggle-filters-btn {
        padding: 8px 14px;
        font-size: 13px;
    }
    
    .collections-panel {
        width: 100%;
        max-width: none;
    }

    .dialog-content,
    .menu-content,
    .share-menu-content {
        max-width: 90%;
    }

    .color-options {
        justify-content: center;
    }
}