/* AI News Monitoring Styles */

:root {
  --ai-primary: #3b82f6;
  --ai-secondary: #6366f1;
  --ai-success: #10b981;
  --ai-warning: #f59e0b;
  --ai-danger: #ef4444;
  --ai-info: #06b6d4;
  --ai-trend-hot: #dc2626;
  --ai-trend-rising: #059669;
  --ai-trend-stable: #6b7280;
  --ai-trend-declining: #9ca3af;
  --ai-bg-primary: #ffffff;
  --ai-bg-secondary: #f8fafc;
  --ai-bg-accent: #f1f5f9;
  --ai-text-primary: #1f2937;
  --ai-text-secondary: #6b7280;
  --ai-border: #e5e7eb;
  --ai-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --ai-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

/* Header Enhancements */
.main-header {
  background: linear-gradient(
    135deg,
    var(--ai-bg-primary) 0%,
    var(--ai-bg-secondary) 100%
  );
  border-bottom: 2px solid var(--ai-border);
}

.logo-subtitle {
  color: var(--ai-secondary);
  font-weight: 600;
}

.refresh-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--ai-primary);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.refresh-btn:hover {
  background: var(--ai-secondary);
  transform: translateY(-1px);
}

.refresh-icon {
  font-size: 16px;
  animation: rotate 2s infinite linear;
}

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

/* Monitoring Overview */
.monitoring-overview {
  background: linear-gradient(
    135deg,
    var(--ai-bg-secondary) 0%,
    var(--ai-bg-accent) 100%
  );
  padding: 32px;
  border-radius: 16px;
  margin-bottom: 32px;
  border: 1px solid var(--ai-border);
}

.overview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.page-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--ai-text-primary);
  margin: 0;
  background: linear-gradient(
    135deg,
    var(--ai-primary) 0%,
    var(--ai-secondary) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.monitoring-stats {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.stat-card {
  background: var(--ai-bg-primary);
  padding: 20px;
  border-radius: 12px;
  text-align: center;
  min-width: 120px;
  border: 1px solid var(--ai-border);
  box-shadow: var(--ai-shadow);
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ai-shadow-lg);
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--ai-primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--ai-text-secondary);
  font-weight: 500;
}

/* Filter Section */
.filter-section {
  background: var(--ai-bg-primary);
  padding: 24px;
  border-radius: 12px;
  margin-bottom: 32px;
  border: 1px solid var(--ai-border);
  box-shadow: var(--ai-shadow);
}

.filter-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.search-container {
  display: flex;
  align-items: center;
  background: var(--ai-bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--ai-border);
  overflow: hidden;
  min-width: 300px;
}

.search-input {
  flex: 1;
  border: none;
  padding: 12px 16px;
  background: transparent;
  font-size: 1rem;
  outline: none;
}

.search-input::placeholder {
  color: var(--ai-text-secondary);
}

.search-btn {
  background: var(--ai-primary);
  color: white;
  border: none;
  padding: 12px 16px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.search-btn:hover {
  background: var(--ai-secondary);
}

.filter-options {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.filter-select {
  padding: 10px 16px;
  border: 1px solid var(--ai-border);
  border-radius: 8px;
  background: var(--ai-bg-primary);
  font-size: 0.875rem;
  min-width: 150px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-select:focus {
  outline: none;
  border-color: var(--ai-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Trending Topics Grid */
.trending-topics-section {
  margin-bottom: 32px;
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 24px;
}

.topic-card {
  background: var(--ai-bg-primary);
  border-radius: 16px;
  padding: 24px;
  border: 1px solid var(--ai-border);
  box-shadow: var(--ai-shadow);
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.topic-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ai-shadow-lg);
  border-color: var(--ai-primary);
}

.topic-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--ai-primary) 0%,
    var(--ai-secondary) 100%
  );
}

.topic-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.topic-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ai-text-primary);
  margin: 0;
  line-height: 1.4;
  flex: 1;
  margin-right: 16px;
}

.topic-badges {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
}

.trending-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.trending-badge.hot {
  background: rgba(220, 38, 38, 0.1);
  color: var(--ai-trend-hot);
}

.trending-badge.rising {
  background: rgba(5, 150, 105, 0.1);
  color: var(--ai-trend-rising);
}

.trending-badge.stable {
  background: rgba(107, 114, 128, 0.1);
  color: var(--ai-trend-stable);
}

.trending-badge.declining {
  background: rgba(156, 163, 175, 0.1);
  color: var(--ai-trend-declining);
}

.category-badge {
  background: rgba(59, 130, 246, 0.1);
  color: var(--ai-primary);
  padding: 4px 8px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 500;
}

.topic-description {
  color: var(--ai-text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
  font-size: 0.9rem;
}

.topic-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.metric-item {
  text-align: center;
  padding: 12px;
  background: var(--ai-bg-secondary);
  border-radius: 8px;
}

.metric-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ai-primary);
  margin-bottom: 4px;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--ai-text-secondary);
  font-weight: 500;
  text-transform: uppercase;
}

.topic-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.btn {
  padding: 8px 16px;
  border-radius: 8px;
  border: none;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
}

.btn-primary {
  background: var(--ai-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--ai-secondary);
}

.btn-secondary {
  background: var(--ai-bg-secondary);
  color: var(--ai-text-primary);
  border: 1px solid var(--ai-border);
}

.btn-secondary:hover {
  background: var(--ai-bg-accent);
}

.btn-outline {
  background: transparent;
  color: var(--ai-primary);
  border: 1px solid var(--ai-primary);
}

.btn-outline:hover {
  background: var(--ai-primary);
  color: white;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  background: var(--ai-bg-primary);
  border-radius: 16px;
  border: 1px solid var(--ai-border);
  box-shadow: var(--ai-shadow);
}

.empty-state-icon {
  font-size: 4rem;
  margin-bottom: 16px;
}

.empty-state h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ai-text-primary);
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--ai-text-secondary);
  margin-bottom: 24px;
  font-size: 1rem;
}

/* Modal Styles */
.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: 1000;
  backdrop-filter: blur(4px);
}

.modal-content {
  background: var(--ai-bg-primary);
  border-radius: 16px;
  box-shadow: 0 20px 25px rgba(0, 0, 0, 0.15);
  max-width: 800px;
  width: 90%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.topic-details-modal {
  max-width: 900px;
}

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

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ai-text-primary);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--ai-text-secondary);
  padding: 8px;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.modal-close:hover {
  background: var(--ai-bg-secondary);
  color: var(--ai-text-primary);
}

.modal-body {
  padding: 24px;
  flex: 1;
  overflow-y: auto;
}

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

/* Topic Details Modal Specific */
.topic-details-content {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.topic-metrics-section h3,
.topic-description-section h3,
.related-keywords-section h3,
.trend-chart-section h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ai-text-primary);
  margin-bottom: 16px;
  border-bottom: 2px solid var(--ai-primary);
  padding-bottom: 8px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
}

.metric-item {
  background: var(--ai-bg-secondary);
  padding: 16px;
  border-radius: 12px;
  text-align: center;
  border: 1px solid var(--ai-border);
}

.topic-description {
  background: var(--ai-bg-secondary);
  padding: 20px;
  border-radius: 12px;
  border-left: 4px solid var(--ai-primary);
  line-height: 1.6;
}

.keywords-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.keyword-tag {
  background: var(--ai-bg-secondary);
  color: var(--ai-text-primary);
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 0.875rem;
  border: 1px solid var(--ai-border);
  transition: all 0.3s ease;
}

.keyword-tag:hover {
  background: var(--ai-primary);
  color: white;
  transform: translateY(-1px);
}

.chart-container {
  background: var(--ai-bg-secondary);
  padding: 20px;
  border-radius: 12px;
  border: 1px solid var(--ai-border);
}

/* Responsive Design */
@media (max-width: 768px) {
  .overview-header {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .monitoring-stats {
    justify-content: center;
  }

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

  .search-container {
    min-width: auto;
  }

  .filter-options {
    justify-content: center;
  }

  .topics-grid {
    grid-template-columns: 1fr;
  }

  .topic-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .topic-badges {
    flex-direction: row;
    align-items: flex-start;
  }

  .topic-metrics {
    grid-template-columns: 1fr;
  }

  .modal-content {
    width: 95%;
    margin: 20px;
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding: 16px;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .page-title {
    font-size: 2rem;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .topic-title {
    font-size: 1.125rem;
  }

  .modal-content {
    width: 100%;
    height: 100%;
    border-radius: 0;
    margin: 0;
  }
}