/**
 * BACC Document Manager - Minimal Professional Library Styles
 * Clean, minimal design without colored backgrounds
 */

:root {
    --bacc-primary: #2563eb;
    --bacc-primary-hover: #1d4ed8;
    --bacc-text-primary: #111827;
    --bacc-text-secondary: #6b7280;
    --bacc-text-muted: #9ca3af;
    --bacc-border: #e5e7eb;
    --bacc-border-light: #f3f4f6;
    --bacc-background: #ffffff;
    --bacc-background-subtle: #f9fafb;
    --bacc-background-hover: #f3f4f6;

    --bacc-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --bacc-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --bacc-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --bacc-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    --bacc-radius: 8px;
    --bacc-radius-sm: 6px;
    --bacc-radius-lg: 12px;

    --bacc-transition: all 0.2s ease;
}

* {
    box-sizing: border-box;
}

/* Base Container */
.bacc-dm-document-library {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--bacc-text-primary);
    background: var(--bacc-background);
    -webkit-font-smoothing: antialiased;
}

.library-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header - Clean and Simple */
.library-header {
    text-align: center;
    padding: 48px 20px 40px;
    border-bottom: 1px solid var(--bacc-border-light);
    margin-bottom: 40px;
}

.library-header h1 {
    margin: 0 0 8px;
    font-size: 32px;
    font-weight: 600;
    color: var(--bacc-text-primary);
    letter-spacing: -0.5px;
}

.library-header p {
    margin: 0;
    font-size: 16px;
    color: var(--bacc-text-secondary);
    font-weight: 400;
}

/* Search and Filter Section */
.library-controls {
    background: var(--bacc-background);
    border: 1px solid var(--bacc-border);
    border-radius: var(--bacc-radius-lg);
    padding: 32px;
    margin-bottom: 32px;
}

/* Search Box */
.search-section {
    margin-bottom: 28px;
}

.search-box {
    position: relative;
    max-width: 100%;
    display: flex;
    gap: 12px;
}

.search-input-wrapper {
    position: relative;
    flex: 1;
}

.search-input {
    width: 100%;
    padding: 14px 50px 14px 20px;
    border: 1px solid var(--bacc-border);
    border-radius: var(--bacc-radius);
    font-size: 15px;
    color: var(--bacc-text-primary);
    background: var(--bacc-background);
    transition: var(--bacc-transition);
    height: 48px;
}

.search-input::placeholder {
    color: var(--bacc-text-muted);
}

.search-input:focus {
    outline: none;
    border-color: var(--bacc-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.clear-search {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--bacc-text-muted);
    cursor: pointer;
    font-size: 20px;
    padding: 8px;
    line-height: 1;
    transition: var(--bacc-transition);
}

.clear-search:hover {
    color: var(--bacc-text-secondary);
}

.search-submit {
    padding: 0 24px;
    height: 48px;
    background: var(--bacc-primary);
    color: white;
    border: none;
    border-radius: var(--bacc-radius);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--bacc-transition);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-submit:hover {
    background: var(--bacc-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--bacc-shadow-md);
}

.search-submit:active {
    transform: translateY(0);
}

.search-submit .dashicons {
    font-size: 18px;
    line-height: 1;
}

/* Filter Controls */
.filter-section {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    font-size: 14px;
    color: var(--bacc-text-secondary);
    font-weight: 500;
    white-space: nowrap;
}

.filter-select {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--bacc-border);
    border-radius: var(--bacc-radius-sm);
    font-size: 14px;
    color: var(--bacc-text-primary);
    background: var(--bacc-background);
    cursor: pointer;
    transition: var(--bacc-transition);
}

.filter-select:hover {
    border-color: var(--bacc-text-secondary);
}

.filter-select:focus {
    outline: none;
    border-color: var(--bacc-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* View Toggle */
.view-options {
    display: flex;
    border: 1px solid var(--bacc-border);
    border-radius: var(--bacc-radius-sm);
    overflow: hidden;
}

.view-toggle {
    padding: 8px 16px;
    background: var(--bacc-background);
    border: none;
    color: var(--bacc-text-secondary);
    cursor: pointer;
    transition: var(--bacc-transition);
    font-size: 14px;
}

.view-toggle:not(:last-child) {
    border-right: 1px solid var(--bacc-border);
}

.view-toggle:hover {
    background: var(--bacc-background-hover);
}

.view-toggle.active {
    background: var(--bacc-primary);
    color: white;
}

/* Results Info */
.results-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding: 16px 20px;
    background: var(--bacc-background-subtle);
    border: 1px solid var(--bacc-border);
    border-radius: var(--bacc-radius);
}

.results-stats {
    font-size: 16px;
    color: var(--bacc-text-primary);
    font-weight: 500;
}

.results-stats #results-count {
    font-size: 20px;
    font-weight: 600;
    color: var(--bacc-primary);
    margin-right: 4px;
}

.results-text {
    color: var(--bacc-text-secondary);
}

.loading-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--bacc-text-secondary);
    font-size: 14px;
}

.loading-indicator .spin {
    animation: spin 1s linear infinite;
}

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

/* Documents Container */
.documents-container {
    margin-bottom: 40px;
    position: relative;
}

/* Search Results Section */
.search-results-label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    padding: 12px 16px;
    background: var(--bacc-background-subtle);
    border-left: 3px solid var(--bacc-primary);
    border-radius: var(--bacc-radius-sm);
}

.search-results-label::before {
    content: '🔍';
    font-size: 16px;
}

.search-results-label-text {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--bacc-text-secondary);
}

.search-query {
    font-weight: 400;
    color: var(--bacc-primary);
    text-transform: none;
    margin-left: 4px;
}

/* List View - Default Compact Style */
.documents-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--bacc-border);
    border: 1px solid var(--bacc-border);
    border-radius: var(--bacc-radius-lg);
    overflow: hidden;
    box-shadow: var(--bacc-shadow-sm);
}

/* Document Item - Compact List Style */
.document-item {
    background: var(--bacc-background);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--bacc-transition);
    cursor: pointer;
}

.document-item:hover {
    background: var(--bacc-background-subtle);
}

/* Document Icon */
.document-item-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bacc-background-subtle);
    border: 1px solid var(--bacc-border);
    border-radius: var(--bacc-radius-sm);
    flex-shrink: 0;
}

.document-item-icon .dashicons {
    font-size: 20px;
    color: var(--bacc-text-secondary);
}

/* Document Info */
.document-item-info {
    flex: 1;
    min-width: 0;
}

.document-item-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--bacc-text-primary);
    margin: 0 0 4px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.document-item-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--bacc-text-muted);
}

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

.category-badge {
    padding: 2px 8px;
    background: var(--bacc-background-subtle);
    border-radius: var(--bacc-radius-sm);
    font-size: 12px;
    font-weight: 500;
    color: var(--bacc-text-secondary);
}

/* Document Actions */
.document-item-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.download-btn {
    padding: 8px 16px;
    background: var(--bacc-background);
    color: var(--bacc-primary);
    border: 1px solid var(--bacc-primary);
    border-radius: var(--bacc-radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--bacc-transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.download-btn:hover {
    background: var(--bacc-primary);
    color: white;
}

.download-btn.loading {
    opacity: 0.6;
    cursor: not-allowed;
}

.info-btn {
    padding: 8px;
    background: var(--bacc-background);
    border: 1px solid var(--bacc-border);
    border-radius: var(--bacc-radius-sm);
    color: var(--bacc-text-secondary);
    cursor: pointer;
    transition: var(--bacc-transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-btn:hover {
    background: var(--bacc-background-hover);
    border-color: var(--bacc-text-secondary);
}

/* Grid View - Optional Card Style */
.documents-grid {
    display: none;
}

.documents-container.view-grid .documents-list {
    display: none;
}

.documents-container.view-grid .documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.document-card {
    background: var(--bacc-background);
    border: 1px solid var(--bacc-border);
    border-radius: var(--bacc-radius-lg);
    padding: 20px;
    transition: var(--bacc-transition);
    cursor: pointer;
}

.document-card:hover {
    box-shadow: var(--bacc-shadow-md);
    transform: translateY(-2px);
}

.document-card-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.document-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bacc-background-subtle);
    border: 1px solid var(--bacc-border);
    border-radius: var(--bacc-radius-sm);
    flex-shrink: 0;
}

.document-card-icon .dashicons {
    font-size: 24px;
    color: var(--bacc-text-secondary);
}

.document-card-title {
    flex: 1;
    font-size: 16px;
    font-weight: 500;
    color: var(--bacc-text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.document-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--bacc-text-muted);
}

.document-card-description {
    font-size: 14px;
    color: var(--bacc-text-secondary);
    line-height: 1.5;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.document-card-actions {
    display: flex;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--bacc-border-light);
}

.document-card-actions .download-btn {
    flex: 1;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--bacc-text-secondary);
}

.empty-icon .dashicons {
    font-size: 48px;
    color: var(--bacc-border);
    margin-bottom: 16px;
}

.empty-state h3 {
    margin: 0 0 8px;
    font-size: 20px;
    font-weight: 500;
    color: var(--bacc-text-primary);
}

.empty-state p {
    margin: 0 0 24px;
    font-size: 15px;
}

.btn-outline {
    padding: 10px 20px;
    background: var(--bacc-background);
    color: var(--bacc-text-secondary);
    border: 1px solid var(--bacc-border);
    border-radius: var(--bacc-radius-sm);
    font-size: 14px;
    cursor: pointer;
    transition: var(--bacc-transition);
}

.btn-outline:hover {
    background: var(--bacc-background-hover);
    border-color: var(--bacc-text-secondary);
}

/* Pagination */
.pagination-container {
    margin: 40px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.pagination {
    display: flex;
    gap: 8px;
}

.page-btn,
.page-number {
    padding: 8px 12px;
    background: var(--bacc-background);
    border: 1px solid var(--bacc-border);
    border-radius: var(--bacc-radius-sm);
    color: var(--bacc-text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: var(--bacc-transition);
}

.page-btn:hover:not(:disabled),
.page-number:hover {
    background: var(--bacc-background-hover);
    border-color: var(--bacc-text-secondary);
}

.page-number.active {
    background: var(--bacc-primary);
    border-color: var(--bacc-primary);
    color: white;
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-info {
    font-size: 14px;
    color: var(--bacc-text-secondary);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 10000;
}

.toast {
    background: var(--bacc-background);
    border: 1px solid var(--bacc-border);
    border-radius: var(--bacc-radius);
    padding: 12px 16px;
    margin-bottom: 12px;
    box-shadow: var(--bacc-shadow-lg);
    min-width: 280px;
    max-width: 400px;
    animation: slideIn 0.3s ease;
}

.toast.success {
    border-left: 4px solid #10b981;
}

.toast.error {
    border-left: 4px solid #ef4444;
}

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

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
}

.document-modal {
    background: var(--bacc-background);
    border-radius: var(--bacc-radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--bacc-shadow-lg);
}

.modal-header {
    padding: 24px;
    border-bottom: 1px solid var(--bacc-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--bacc-text-primary);
}

.close-modal {
    background: none;
    border: none;
    color: var(--bacc-text-secondary);
    cursor: pointer;
    font-size: 24px;
    padding: 4px;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 24px;
    border-top: 1px solid var(--bacc-border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Login Card */
.bacc-dm-login-required {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    padding: 40px 20px;
}

.login-card {
    background: var(--bacc-background);
    border: 1px solid var(--bacc-border);
    border-radius: var(--bacc-radius-lg);
    padding: 40px;
    text-align: center;
    max-width: 400px;
    width: 100%;
    box-shadow: var(--bacc-shadow-sm);
}

.login-card h3 {
    margin: 0 0 12px;
    font-size: 24px;
    font-weight: 600;
    color: var(--bacc-text-primary);
}

.login-card p {
    margin: 0 0 24px;
    color: var(--bacc-text-secondary);
    font-size: 15px;
}

.login-button {
    display: inline-block;
    padding: 12px 24px;
    background: var(--bacc-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--bacc-radius-sm);
    font-weight: 500;
    transition: var(--bacc-transition);
}

.login-button:hover {
    background: var(--bacc-primary-hover);
}

/* Responsive Design */
@media (max-width: 768px) {
    .library-container {
        padding: 0 16px;
    }

    .library-header {
        padding: 32px 16px;
    }

    .library-header h1 {
        font-size: 28px;
    }

    .library-controls {
        padding: 20px;
    }

    .search-box {
        flex-direction: column;
    }

    .search-submit {
        width: 100%;
        justify-content: center;
    }

    .filter-section {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group {
        width: 100%;
    }

    .document-item {
        flex-direction: column;
        align-items: flex-start;
        padding: 16px;
    }

    .document-item-actions {
        width: 100%;
        margin-top: 12px;
    }

    .download-btn {
        flex: 1;
    }

    .pagination-container {
        flex-direction: column;
        align-items: center;
    }

    .documents-container.view-grid .documents-grid {
        grid-template-columns: 1fr;
    }
}

/* Accessibility */
*:focus-visible {
    outline: 2px solid var(--bacc-primary);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .library-controls,
    .document-item-actions,
    .pagination-container,
    .toast-container {
        display: none;
    }

    .document-item {
        border-bottom: 1px solid var(--bacc-border);
    }
}