/* ==========================================
   Documents Page Specific Styles
   CSS for the document archive with search, filter, and preview
   ========================================== */

/* Page Header Section */
.page-header {
    background: linear-gradient(135deg, 
        var(--primary-green) 0%, 
        var(--primary-green-light) 100%);
    color: var(--neutral-white);
    padding: var(--spacing-3xl) 0 var(--spacing-2xl) 0;
    text-align: center;
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
}

.page-title {
    font-size: 3rem;
    color: var(--neutral-white);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--accent-cream);
    line-height: 1.6;
    margin: 0;
}

/* Document Controls Section */
.document-controls {
    background-color: var(--neutral-light);
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid rgba(45, 80, 22, 0.1);
}

.controls-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr auto;
    gap: var(--spacing-lg);
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

/* Search Container */
.search-container {
    position: relative;
    min-width: 0;
}

.search-input {
    width: 100%;
    padding-right: 50px;
    border: 2px solid var(--neutral-gray);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(45, 80, 22, 0.1);
}

.search-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--primary-green);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

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

.search-icon {
    width: 20px;
    height: 20px;
}

/* Filter and Sort Containers */
.filter-container,
.sort-container {
    min-width: 150px;
}

.form-select {
    width: 100%;
    cursor: pointer;
}

/* View Toggle */
.view-toggle {
    display: flex;
    background-color: var(--neutral-white);
    border-radius: var(--radius-md);
    padding: 4px;
    box-shadow: var(--shadow-sm);
}

.view-btn {
    background: none;
    border: none;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--neutral-gray);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.view-btn.active {
    background-color: var(--primary-green);
    color: var(--neutral-white);
}

.view-btn:hover:not(.active) {
    background-color: var(--accent-cream);
    color: var(--primary-green);
}

.view-icon {
    width: 18px;
    height: 18px;
}

/* Results Section */
.results-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.results-info {
    color: var(--neutral-gray);
    font-size: 0.875rem;
}

.quick-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-green);
    font-family: var(--font-primary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--neutral-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Documents Section */
.documents-section {
    padding: var(--spacing-2xl) 0;
}

/* Document Loading State */
.documents-loading {
    text-align: center;
    padding: var(--spacing-3xl) 0;
    color: var(--primary-green);
}

.loading-message .bank-vault-spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto var(--spacing-md) auto;
}

/* Documents Container - List View (Default) */
.documents-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Documents Container - Grid View */
.documents-container.grid-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* Document Item Styles */
.document-item {
    background-color: var(--neutral-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    border-left: 4px solid var(--primary-green);
    opacity: 0;
    transform: translateY(20px);
    animation: documentItemFadeIn 0.6s ease-out forwards;
}

.document-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--accent-gold);
}

/* Document item animation delays for staggered effect */
.document-item:nth-child(1) { animation-delay: 0.1s; }
.document-item:nth-child(2) { animation-delay: 0.2s; }
.document-item:nth-child(3) { animation-delay: 0.3s; }
.document-item:nth-child(4) { animation-delay: 0.4s; }
.document-item:nth-child(5) { animation-delay: 0.5s; }

/* Document Header */
.document-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.document-icon {
    width: 48px;
    height: 48px;
    background-color: var(--primary-green);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neutral-white);
    flex-shrink: 0;
}

.document-icon.pdf {
    background-color: #dc3545;
}

.document-icon.doc {
    background-color: #0066cc;
}

.document-icon.image {
    background-color: #28a745;
}

.document-icon svg {
    width: 24px;
    height: 24px;
}

.document-info {
    flex: 1;
    min-width: 0;
}

.document-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.document-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--neutral-gray);
}

.document-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.document-meta-icon {
    width: 14px;
    height: 14px;
}

/* Document Description */
.document-description {
    color: var(--neutral-dark);
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Document Actions */
.document-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.document-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid var(--primary-green);
    border-radius: var(--radius-sm);
    background: none;
    color: var(--primary-green);
    cursor: pointer;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 4px;
}

.document-btn:hover {
    background-color: var(--primary-green);
    color: var(--neutral-white);
}

.document-btn.primary {
    background-color: var(--primary-green);
    color: var(--neutral-white);
}

.document-btn.primary:hover {
    background-color: var(--primary-green-light);
}

.document-btn svg {
    width: 14px;
    height: 14px;
}

/* Document Stats */
.document-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--neutral-gray);
}

.stat-badge {
    background-color: var(--accent-cream);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Load More Container */
.load-more-container {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

/* Preview Modal Styles */
.preview-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.preview-overlay.active {
    display: flex;
    opacity: 1;
}

.preview-container {
    background-color: var(--neutral-white);
    border-radius: var(--radius-lg);
    width: 90vw;
    max-width: 1000px;
    height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

/* Preview Header */
.preview-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(45, 80, 22, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--accent-cream);
}

.preview-title {
    font-size: 1.5rem;
    color: var(--primary-green);
    margin: 0;
    font-weight: 600;
}

.preview-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Preview Meta */
.preview-meta {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(45, 80, 22, 0.1);
    background-color: var(--neutral-light);
}

.meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--neutral-gray);
    font-size: 0.875rem;
}

.meta-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Preview Description */
.preview-description {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(45, 80, 22, 0.1);
}

.preview-description p {
    color: var(--neutral-dark);
    line-height: 1.6;
    margin: 0;
}

/* Preview Content */
.preview-content {
    flex: 1;
    padding: var(--spacing-lg);
    overflow: auto;
}

.preview-viewer {
    width: 100%;
    height: 100%;
    border: 1px solid var(--neutral-gray);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.preview-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--neutral-gray);
    text-align: center;
    padding: var(--spacing-xl);
}

.placeholder-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.preview-placeholder p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.preview-placeholder small {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* Embedded PDF/Document Viewer */
.document-embed {
    width: 100%;
    height: 100%;
    border: none;
}

/* No Documents Message */
.no-documents {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--neutral-gray);
}

.no-documents .icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg) auto;
    opacity: 0.5;
}

/* Search Highlighting */
.search-highlight {
    background-color: var(--warning-yellow);
    padding: 0 2px;
    border-radius: 2px;
    color: var(--neutral-dark);
    font-weight: 600;
}

/* Category Badge */
.category-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--primary-green);
    color: var(--neutral-white);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.category-badge.annual-reports {
    background-color: #dc3545;
}

.category-badge.marketing {
    background-color: #fd7e14;
}

.category-badge.legal {
    background-color: #6f42c1;
}

.category-badge.correspondence {
    background-color: #20c997;
}

.category-badge.news {
    background-color: #0dcaf0;
}

/* Responsive Design */

/* Mobile devices (up to 575px) */
@media (max-width: 575px) {
    .page-title {
        font-size: 2.25rem;
    }
    
    .page-subtitle {
        font-size: 1.125rem;
    }
    
    /* Stack document controls vertically on mobile */
    .controls-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .search-container {
        order: 1;
    }
    
    .filter-container:nth-of-type(1) {
        order: 2;
    }
    
    .filter-container:nth-of-type(2) {
        order: 3;
    }
    
    .sort-container {
        order: 4;
    }
    
    .view-toggle {
        order: 5;
        justify-self: center;
    }
    
    /* Stack results section on mobile */
    .results-section {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    
    .quick-stats {
        justify-content: center;
    }
    
    /* Single column for grid view on mobile */
    .documents-container.grid-view {
        grid-template-columns: 1fr;
    }
    
    /* Adjust document item for mobile */
    .document-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .document-actions {
        justify-content: center;
    }
    
    .document-stats {
        margin-left: 0;
        justify-content: center;
        margin-top: var(--spacing-sm);
    }
    
    /* Adjust preview modal for mobile */
    .preview-container {
        width: 95vw;
        height: 95vh;
    }
    
    .preview-header {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }
    
    .preview-actions {
        justify-content: center;
    }
    
    .meta-grid {
        grid-template-columns: 1fr;
    }
}

/* Small tablets (576px to 767px) */
@media (min-width: 576px) and (max-width: 767px) {
    .controls-wrapper {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }
    
    .search-container {
        grid-column: 1 / -1;
    }
    
    /* Two columns for grid view on small tablets */
    .documents-container.grid-view {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .meta-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Medium tablets (768px to 991px) */
@media (min-width: 768px) and (max-width: 991px) {
    .controls-wrapper {
        grid-template-columns: 2fr 1fr 1fr 1fr auto;
    }
    
    /* Three columns for grid view on medium tablets */
    .documents-container.grid-view {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Large devices (992px and up) */
@media (min-width: 992px) {
    .page-title {
        font-size: 3.5rem;
    }
    
    /* Maintain grid layout on desktop */
    .documents-container.grid-view {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

/* Extra large devices (1200px and up) */
@media (min-width: 1200px) {
    .preview-container {
        max-width: 1200px;
    }
}

/* Animations */
@keyframes documentItemFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes previewFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Document type specific icons */
.document-icon.pdf::after {
    content: 'PDF';
    font-size: 0.5rem;
    font-weight: bold;
    position: absolute;
    bottom: 2px;
    right: 2px;
    background-color: rgba(255, 255, 255, 0.9);
    color: #dc3545;
    padding: 1px 3px;
    border-radius: 2px;
}

.document-icon.doc::after {
    content: 'DOC';
    font-size: 0.5rem;
    font-weight: bold;
    position: absolute;
    bottom: 2px;
    right: 2px;
    background-color: rgba(255, 255, 255, 0.9);
    color: #0066cc;
    padding: 1px 3px;
    border-radius: 2px;
}

.document-icon.image::after {
    content: 'IMG';
    font-size: 0.5rem;
    font-weight: bold;
    position: absolute;
    bottom: 2px;
    right: 2px;
    background-color: rgba(255, 255, 255, 0.9);
    color: #28a745;
    padding: 1px 3px;
    border-radius: 2px;
}

/* Loading states for document preview */
.document-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--primary-green);
}

.document-loading .bank-vault-spinner {
    width: 40px;
    height: 40px;
    margin-right: var(--spacing-md);
}

/* Hover effects for better interactivity */
.document-item:hover .document-icon {
    transform: scale(1.1);
    transition: transform var(--transition-fast);
}

.document-item:hover .document-title {
    color: var(--primary-green-light);
}

/* Focus states for accessibility */
.document-item:focus-within {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

.document-btn:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .document-controls,
    .preview-overlay,
    .load-more-container {
        display: none !important;
    }
    
    .document-item {
        break-inside: avoid;
        margin-bottom: var(--spacing-lg);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .document-item,
    .document-icon,
    .preview-overlay {
        transition: none;
        animation: none;
    }
    
    .document-item:hover {
        transform: none;
    }
    
    .document-item:hover .document-icon {
        transform: none;
    }
    
    .document-item {
        opacity: 1;
        transform: none;
    }
}