/* ========== NER Sub-Navigation ========== */
.ner-sub-nav {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xs);
    border: 1px solid var(--border-color);
}

.ner-sub-tab {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.ner-sub-tab:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.ner-sub-tab.active {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

/* ========== NER Sub-Panes ========== */
.ner-sub-pane {
    display: none;
    animation: pageFadeIn 0.3s ease;
}

.ner-sub-pane.active {
    display: block;
}

/* ========== NER Section Title ========== */
.ner-section-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-color);
}

/* ========== NER Training Grid ========== */
.ner-train-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: var(--spacing-xl);
}

/* ========== NER Dataset Upload ========== */
.ner-dataset-upload {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    margin-bottom: var(--spacing-lg);
}

.ner-dataset-upload:hover {
    border-color: var(--color-primary);
    background: rgba(102, 126, 234, 0.05);
}

.ner-dataset-upload i {
    font-size: 2.2rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.ner-dataset-upload p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.ner-dataset-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.ner-info-item {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
}

.ner-info-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.ner-info-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-accent);
    font-family: var(--font-mono);
}

/* ========== NER Config Grid ========== */
.ner-config-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

/* ========== NER Train Actions ========== */
.ner-train-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.ner-train-btn-row {
    display: flex;
    gap: var(--spacing-sm);
}

.ner-train-btn-row .btn {
    flex: 1;
}

/* ========== NER Training Status ========== */
.ner-training-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ========== NER Progress Section ========== */
.ner-progress-section {
    margin-bottom: var(--spacing-lg);
}

.ner-progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.ner-epoch-info {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-sm);
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ========== NER Charts Grid ========== */
.ner-charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.ner-chart-box {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.ner-chart-box h4 {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

/* ========== NER Metrics Grid ========== */
.ner-metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.ner-metric-item {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
}

.ner-metric-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-accent);
    font-family: var(--font-mono);
    margin-bottom: 2px;
}

.ner-metric-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ========== NER Model Management ========== */
.ner-model-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.ner-model-info h4 {
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.ner-model-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

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

/* ========== NER Predict Grid ========== */
.ner-predict-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: var(--spacing-xl);
}

/* ========== NER Upload Area ========== */
.ner-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.ner-upload-area:hover {
    border-color: var(--color-primary);
    background: rgba(102, 126, 234, 0.05);
}

.ner-upload-area.dragover {
    border-color: var(--color-accent);
    background: rgba(78, 205, 196, 0.08);
}

.ner-upload-area i {
    font-size: 2.2rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.ner-upload-area p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ========== NER File List ========== */
.ner-file-list {
    margin-top: var(--spacing-sm);
}

.ner-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
    font-size: 0.85rem;
}

.ner-file-item-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
}

.ner-file-item-info i {
    color: var(--color-primary);
}

.ner-file-item-remove {
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.ner-file-item-remove:hover {
    color: var(--color-danger);
    background: rgba(239, 68, 68, 0.1);
}

/* ========== NER Status Indicator ========== */
.ner-status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ========== NER Log Content ========== */
.ner-log-content {
    height: 240px;
    overflow-y: auto;
    background: #0c1222;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 1.7;
}

.ner-log-line {
    display: flex;
    gap: var(--spacing-sm);
    padding: 1px 0;
}

.ner-log-time {
    color: #64748b;
    flex-shrink: 0;
}

.ner-log-level {
    flex-shrink: 0;
    font-weight: 600;
    min-width: 40px;
}

.ner-log-msg {
    color: #e2e8f0;
}

/* ========== NER Entity Stats Grid ========== */
.ner-entity-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-sm);
}

.ner-stat-card {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
}

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

.ner-stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ========== NER Labels Cloud ========== */
.ner-labels-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.ner-entity-label {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: white;
}

.ner-entity-label:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.ner-entity-label.active {
    outline: 2px solid white;
    outline-offset: 2px;
}

/* ========== NER Results Grid ========== */
.ner-results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

/* ========== NER Text Highlight ========== */
.ner-text-highlight {
    min-height: 200px;
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    line-height: 2;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.ner-placeholder-text {
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    padding-top: 3rem;
}

.ner-entity-highlight {
    padding: 1px 6px;
    border-radius: 3px;
    font-weight: 500;
    cursor: pointer;
    transition: opacity var(--transition-fast);
}

.ner-entity-highlight:hover {
    opacity: 0.8;
}

/* ========== NER Entity Colors ========== */
.ner-color-0 { background: rgba(255, 235, 59, 0.3); border-bottom: 2px solid #ffeb3b; }
.ner-color-1 { background: rgba(76, 175, 80, 0.3); border-bottom: 2px solid #4caf50; }
.ner-color-2 { background: rgba(33, 150, 243, 0.3); border-bottom: 2px solid #2196f3; }
.ner-color-3 { background: rgba(255, 152, 0, 0.3); border-bottom: 2px solid #ff9800; }
.ner-color-4 { background: rgba(233, 30, 99, 0.3); border-bottom: 2px solid #e91e63; }
.ner-color-5 { background: rgba(156, 39, 176, 0.3); border-bottom: 2px solid #9c27b0; }
.ner-color-6 { background: rgba(0, 188, 212, 0.3); border-bottom: 2px solid #00bcd4; }
.ner-color-7 { background: rgba(139, 195, 74, 0.3); border-bottom: 2px solid #8bc34a; }
.ner-color-8 { background: rgba(255, 87, 34, 0.3); border-bottom: 2px solid #ff5722; }
.ner-color-9 { background: rgba(121, 85, 72, 0.3); border-bottom: 2px solid #795548; }
.ner-color-10 { background: rgba(96, 125, 139, 0.3); border-bottom: 2px solid #607d8b; }
.ner-color-11 { background: rgba(255, 193, 7, 0.3); border-bottom: 2px solid #ffc107; }
.ner-color-12 { background: rgba(63, 81, 181, 0.3); border-bottom: 2px solid #3f51b5; }
.ner-color-13 { background: rgba(0, 150, 136, 0.3); border-bottom: 2px solid #009688; }
.ner-color-14 { background: rgba(205, 220, 57, 0.3); border-bottom: 2px solid #cddc39; }
.ner-color-15 { background: rgba(244, 67, 54, 0.3); border-bottom: 2px solid #f44336; }
.ner-color-16 { background: rgba(103, 58, 183, 0.3); border-bottom: 2px solid #673ab7; }
.ner-color-17 { background: rgba(255, 111, 0, 0.3); border-bottom: 2px solid #ff6f00; }
.ner-color-18 { background: rgba(25, 118, 210, 0.3); border-bottom: 2px solid #1976d2; }
.ner-color-19 { background: rgba(56, 142, 60, 0.3); border-bottom: 2px solid #388e3c; }

/* ========== Responsive ========== */
@media (max-width: 1024px) {
    .ner-train-grid,
    .ner-predict-grid,
    .ner-results-grid {
        grid-template-columns: 1fr;
    }
    .ner-charts-grid {
        grid-template-columns: 1fr;
    }
    .ner-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .ner-config-grid {
        grid-template-columns: 1fr;
    }
    .ner-sub-nav {
        flex-direction: column;
    }
}