/**
 * Enhanced Documents Management CSS
 * Version 2.0
 * 
 * Styles for the enhanced document management interface
 * Follows the design system established in role-management-enhanced.css
 * 
 * @updated 2025-11-23
 */

/* ==========================================================================
   Document Cards
   ========================================================================== */

.aom-documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.aom-document-card {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: var(--transition-fast);
    position: relative;
    display: flex;
    flex-direction: column;
}

.aom-document-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.aom-document-card-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.aom-document-checkbox {
    margin: 0.25rem 0 0;
    cursor: pointer;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.aom-document-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 24px;
    flex-shrink: 0;
}

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

.aom-document-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.aom-document-title .dashicons {
    font-size: 14px;
    width: 14px;
    height: 14px;
}

.aom-document-meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.aom-document-meta > div {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.aom-document-meta .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
    color: var(--text-muted);
}

.aom-document-badges {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

.aom-document-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--dark-border);
}

.aom-document-actions .aom-btn {
    flex: 1;
    justify-content: center;
    min-width: 0;
}

.aom-document-actions .aom-btn:last-child:not(:only-child) {
    flex: 0 0 auto;
    min-width: 36px;
}

.aom-submissions-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--warning-color);
    color: var(--text-primary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 1;
}

/* ==========================================================================
   Submissions Modal
   ========================================================================== */

#submissions-modal .aom-modal-content {
    max-width: 900px;
}

#submissions-list .aom-table {
    margin-top: 0;
}

#submissions-list .aom-loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

#submissions-list .aom-empty-state {
    padding: 2rem;
}

/* ==========================================================================
   Document Modal
   ========================================================================== */

#document-modal .aom-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

#document-modal .aom-form-group-full {
    grid-column: 1 / -1;
}

#document-modal .aom-form-group {
    display: flex;
    flex-direction: column;
}

#document-modal .aom-form-group label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

#document-modal .aom-help-text {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-muted);
}

#document-modal .aom-input,
#document-modal .aom-textarea,
#document-modal .aom-select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 0.9375rem;
    transition: var(--transition-fast);
}

#document-modal .aom-input:focus,
#document-modal .aom-textarea:focus,
#document-modal .aom-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

#document-modal .aom-textarea {
    resize: vertical;
    min-height: 80px;
}

#document-modal .aom-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

#document-modal .aom-checkbox-label input[type="checkbox"] {
    margin-top: 0.25rem;
    cursor: pointer;
}

#document-modal .aom-checkbox-label span {
    flex: 1;
}

#current-file-info {
    margin-top: 0.5rem;
    padding: 0.5rem;
    background: var(--dark-bg-secondary);
    border-radius: var(--border-radius);
}

#current-file-info .aom-text-muted {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ==========================================================================
   File Type Icons
   ========================================================================== */

.aom-document-icon[data-type="pdf"] {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.aom-document-icon[data-type="doc"],
.aom-document-icon[data-type="docx"] {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.aom-document-icon[data-type="xls"],
.aom-document-icon[data-type="xlsx"] {
    background: linear-gradient(135deg, #10b981, #059669);
}

.aom-document-icon[data-type="ppt"],
.aom-document-icon[data-type="pptx"] {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.aom-document-icon[data-type="zip"],
.aom-document-icon[data-type="rar"] {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.aom-document-icon[data-type="jpg"],
.aom-document-icon[data-type="jpeg"],
.aom-document-icon[data-type="png"] {
    background: linear-gradient(135deg, #ec4899, #db2777);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 1200px) {
    .aom-documents-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .aom-documents-grid {
        grid-template-columns: 1fr;
    }
    
    #document-modal .aom-form-row {
        grid-template-columns: 1fr;
    }
    
    .aom-document-actions {
        flex-wrap: wrap;
    }
    
    .aom-document-actions .aom-btn {
        flex: 1 1 calc(50% - 0.25rem);
    }
    
    .aom-document-actions .aom-btn:last-child:not(:only-child) {
        flex: 1 1 calc(50% - 0.25rem);
        min-width: 0;
    }
}

@media (max-width: 480px) {
    .aom-document-card {
        padding: 1rem;
    }
    
    .aom-document-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .aom-document-title {
        font-size: 1rem;
    }
    
    .aom-document-actions .aom-btn {
        flex: 1 1 100%;
    }
    
    .aom-submissions-badge {
        position: static;
        display: inline-block;
        margin-bottom: 0.5rem;
    }
}

/* ==========================================================================
   Loading States
   ========================================================================== */

.aom-document-card.loading {
    opacity: 0.6;
    pointer-events: none;
}

.aom-document-card.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    border: 3px solid var(--primary-color);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* ==========================================================================
   Empty State
   ========================================================================== */

#documents-empty-state {
    text-align: center;
    padding: 3rem 1rem;
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
}

#documents-empty-state .dashicons {
    font-size: 48px;
    width: 48px;
    height: 48px;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

#documents-empty-state h3 {
    color: var(--text-primary);
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
}

#documents-empty-state p {
    color: var(--text-secondary);
    margin: 0;
}

/* ==========================================================================
   Bulk Actions Enhancements
   ========================================================================== */

.aom-bulk-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.aom-bulk-actions .aom-select {
    min-width: 180px;
}

.aom-bulk-actions .aom-select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.aom-bulk-actions .aom-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==========================================================================
   Document Badges
   ========================================================================== */

.aom-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.aom-badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning-color);
}

.aom-badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success-color);
}

.aom-badge-info {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info-color);
}

.aom-badge .dashicons {
    font-size: 12px;
    width: 12px;
    height: 12px;
}

/* ==========================================================================
   Search and Filter Toolbar
   ========================================================================== */

.aom-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
}

.aom-toolbar-left,
.aom-toolbar-right {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.aom-search-box {
    position: relative;
    flex: 0 0 300px;
}

.aom-search-box .dashicons {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.aom-search-input {
    width: 100%;
    padding: 0.625rem 0.875rem 0.625rem 2.5rem;
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 0.9375rem;
    transition: var(--transition-fast);
}

.aom-search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.aom-select {
    padding: 0.625rem 2rem 0.625rem 0.875rem;
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 0.9375rem;
    cursor: pointer;
    transition: var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239ca3af' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
}

.aom-select:hover {
    border-color: var(--primary-color);
}

.aom-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

@media (max-width: 768px) {
    .aom-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .aom-toolbar-left,
    .aom-toolbar-right {
        flex-direction: column;
        width: 100%;
    }
    
    .aom-search-box {
        flex: 1 1 auto;
    }
    
    .aom-select {
        width: 100%;
    }
    
    .aom-bulk-actions {
        width: 100%;
    }
    
    .aom-bulk-actions .aom-select {
        flex: 1;
    }
}

/* ==========================================================================
   Roles Selector
   ========================================================================== */

.aom-roles-selector {
    margin-top: 0.5rem;
}

.aom-roles-grid {
    display: grid;
    gap: 0.75rem;
}

.aom-role-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.aom-role-checkbox:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.25);
}

.aom-role-checkbox input[type="checkbox"] {
    margin: 0;
    cursor: pointer;
}

.aom-role-checkbox span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.9375rem;
    font-weight: 500;
    flex: 1;
}

.aom-role-checkbox .dashicons {
    font-size: 18px;
    width: 18px;
    height: 18px;
}

.aom-role-checkbox input[type="checkbox"]:checked ~ span {
    font-weight: 600;
}

/* ==========================================================================
   Submissions Grid (for User Details Modal)
   ========================================================================== */

.aom-submissions-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.aom-submission-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.aom-submission-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.12);
}

.aom-submission-icon {
    width: 40px;
    height: 40px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.aom-submission-icon .dashicons {
    color: #3b82f6;
    font-size: 24px;
}

.aom-submission-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.aom-submission-info strong {
    color: var(--text-primary);
    font-size: 0.9375rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.aom-submission-info small {
    color: #9ca3af;
    font-size: 0.8125rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.aom-submission-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.aom-btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.aom-loading-spinner .dashicons.spin {
    animation: spin 1s linear infinite;
    font-size: 32px;
    color: #6366f1;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}