/* Document Management Styles */

.brb-documents-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 24px 32px;
}

/* Filter Section */
.brb-documents-filters {
    background: #ffffff;
    padding: 10px 12px;
    border-radius: 10px;
    margin-bottom: 16px;
    border: 1px solid #e9ecef;
    box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}
.brb-documents-filters.brb-compact { padding: 8px 10px; }

/* Compact toolbar with small search */
.brb-filter-toolbar { display: flex; align-items: center; gap: 12px; justify-content: space-between; }
.brb-filter-controls { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }

/* Ultra-compact search input */
.brb-doc-search {
    height: 26px;
    line-height: 26px;
    padding: 2px 10px 2px 28px; /* left space for icon */
    font-size: 12px;
    width: 160px;
    border: 1px solid #d0d7de;
    border-radius: 16px;
    background: #fff url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="%239aa0a6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg>') no-repeat 8px center;
    background-size: 12px;
    transition: border-color .2s ease, box-shadow .2s ease;
}
.brb-doc-search::placeholder { font-size: 12px; color: #9aa0a6; }
.brb-doc-search:focus { outline: none; border-color: #8ab4f8; box-shadow: 0 0 0 3px rgba(26,115,232,.12); }

.brb-documents-filters h3 {
    margin: 0 0 20px 0;
    color: #2c3e50;
    font-size: 1.3rem;
    font-weight: 600;
}

.brb-filter-buttons { display: flex; gap: 8px; flex-wrap: nowrap; }
.brb-scroll-chips { overflow-x: auto; white-space: nowrap; scrollbar-width: thin; }
.brb-scroll-chips::-webkit-scrollbar { height: 6px; }
.brb-scroll-chips::-webkit-scrollbar-thumb { background: #d0d7de; border-radius: 6px; }

.brb-filter-btn {
    padding: 8px 16px;
    border: 2px solid #dee2e6;
    background: #fff;
    color: #6c757d;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.brb-filter-btn:hover,
.brb-filter-btn.active {
    background: #3498db;
    color: #fff;
    border-color: #3498db;
    transform: translateY(-1px);
}

/* Documents Grid */
.brb-documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.brb-document-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 26px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 320px;
}

.brb-document-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.14);
}

.brb-document-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(135deg, #1e88e5 0%, #1565c0 50%, #8e24aa 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.brb-document-card:hover::before {
    opacity: 1;
}

/* Document Icon */
.brb-document-media { text-align: center; margin-bottom: 18px; }
.brb-document-icon { text-align: center; margin-bottom: 0; }
.brb-doc-thumb { width: 90px; height: 90px; border-radius: 50%; object-fit: cover; border: 3px solid #e9ecef; box-shadow: 0 3px 10px rgba(0,0,0,0.08); }

.brb-file-icon {
    font-size: 3rem;
    display: inline-block;
    padding: 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 50%;
    border: 3px solid #dee2e6;
    transition: all 0.3s ease;
}

.brb-document-card:hover .brb-file-icon {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    border-color: #2980b9;
    transform: scale(1.1);
}

.brb-file-icon.pdf {
    color: #dc3545;
}

.brb-file-icon.word {
    color: #2b579a;
}

.brb-file-icon.excel {
    color: #217346;
}

.brb-file-icon.powerpoint {
    color: #d24726;
}

.brb-file-icon.text {
    color: #6c757d;
}

/* Document Content */
.brb-document-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.brb-document-title {
    margin: 0 0 15px 0;
    font-size: 1.2rem;
    font-weight: 600;
    color: #2c3e50;
    line-height: 1.3;
}

.brb-document-description {
    color: #666;
    line-height: 1.5;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

/* Document Meta */
.brb-document-meta { display: flex; justify-content: center; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.brb-document-meta.brb-inline { flex-wrap: nowrap; gap: 16px; }

.brb-document-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #6c757d;
    font-size: 0.85rem;
    background: transparent;
    padding: 0;
    border-radius: 0;
    border: none;
    font-weight: 600;
}

.brb-icon {
    font-size: 0.9rem;
}

/* Document Categories */
.brb-document-categories {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.brb-category-tag {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    color: #1976d2;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid #90caf9;
}

/* Document Actions */
.brb-document-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: auto;
}

.brb-download-document {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(40, 167, 69, 0.3);
}

.brb-download-document:hover {
    background: linear-gradient(135deg, #20c997 0%, #17a2b8 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(40, 167, 69, 0.4);
}

.brb-view-details {
    background: #f8f9fa;
    color: #6c757d;
    border: 2px solid #dee2e6;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.brb-view-details:hover {
    background: #e9ecef;
    color: #495057;
    border-color: #adb5bd;
}

/* No Documents */
.brb-no-documents {
    text-align: center;
    padding: 60px 20px;
    background: #f8f9fa;
    border-radius: 12px;
    border: 2px dashed #dee2e6;
}

.brb-no-documents p {
    margin: 0;
    color: #6c757d;
    font-size: 1.1rem;
}

/* Document Details Modal */
.brb-document-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.brb-document-modal-content {
    background: #fff;
    border-radius: 16px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.brb-document-modal-header {
    padding: 25px 25px 15px 25px;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brb-document-modal-header h3 {
    margin: 0;
    color: #2c3e50;
    font-size: 1.4rem;
}

.brb-document-modal-close {
    font-size: 1.5rem;
    cursor: pointer;
    color: #6c757d;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.brb-document-modal-close:hover {
    color: #dc3545;
    background: rgba(220, 53, 69, 0.1);
}

.brb-document-modal-body {
    padding: 25px;
}

/* Loading States */
.brb-document-card.loading {
    opacity: 0.7;
    pointer-events: none;
}

.brb-document-card.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    margin: -15px 0 0 -15px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: brb-spin 1s linear infinite;
    z-index: 10;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .brb-documents-container {
        padding: 20px 24px;
    }
}

@media (max-width: 768px) {
    .brb-documents-container {
        padding: 15px;
    }
    .brb-filter-toolbar { flex-direction: column; align-items: stretch; gap: 10px; }
    .brb-filter-controls { justify-content: space-between; }
    .brb-doc-search { width: 100%; }
    
    .brb-documents-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .brb-document-card {
        padding: 20px;
    }
    
    .brb-document-meta {
        flex-direction: column;
        gap: 8px;
    }
    
    .brb-document-actions {
        flex-direction: column;
    }
    
    .brb-document-actions .brb-btn {
        width: 100%;
    }
    
    .brb-filter-buttons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .brb-documents-filters {
        padding: 20px;
    }
    
    .brb-document-card {
        padding: 15px;
    }
    
    .brb-file-icon {
        font-size: 2.5rem;
        padding: 15px;
    }
    
    .brb-document-title {
        font-size: 1.1rem;
    }
}

/* Animation for filtering */
.brb-document-card.filtered-out {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
}

.brb-document-card.filtered-in {
    opacity: 1;
    transform: scale(1);
    transition: all 0.3s ease;
}