.gpx-analyzer {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  padding: 20px;
  background-color: #f5f5f5;
}

.gpx-analyzer .analyzer-container {
  max-width: 1200px;
  margin: 0 auto;
  background: white;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.gpx-analyzer .analyzer-container h1 {
  color: #333;
  text-align: center;
  margin-bottom: 30px;
}

.gpx-analyzer .upload-section {
  border: 2px dashed #ddd;
  border-radius: 8px;
  padding: 40px;
  text-align: center;
  margin-bottom: 30px;
  transition: border-color 0.3s;
}

.gpx-analyzer .upload-section:hover {
  border-color: #007bff;
}

.gpx-analyzer .settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.gpx-analyzer .settings-grid div {
  display: flex;
  flex-direction: column;
}

.gpx-analyzer .settings-grid label {
  display: block;
  margin-bottom: 5px;
  font-weight: 600;
}

.gpx-analyzer .settings-grid input {
  width: 100%;
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-sizing: border-box;
}

.gpx-analyzer .file-input {
  margin: 20px 0;
}

.gpx-analyzer .analyze-btn {
  background-color: #007bff;
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  margin-left: 10px;
}

.gpx-analyzer .analyze-btn:hover {
  background-color: #0056b3;
}

.gpx-analyzer .analyze-btn:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}

.gpx-analyzer .results {
  margin-top: 30px;
}

.gpx-analyzer .summary {
  background-color: #f8f9fa;
  padding: 20px;
  border-radius: 6px;
  margin-bottom: 30px;
}

.gpx-analyzer .summary h3 {
  margin-top: 0;
  color: #495057;
}

.gpx-analyzer .summary-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 15px;
  margin-bottom: 20px;
}

.gpx-analyzer .stat-item {
  background: white;
  padding: 15px;
  border-radius: 6px;
  text-align: center;
  border: 1px solid #dee2e6;
}

.gpx-analyzer .stat-value {
  font-size: 24px;
  font-weight: bold;
  color: #007bff;
}

.gpx-analyzer .stat-label {
  font-size: 14px;
  color: #6c757d;
  margin-top: 5px;
}

/* Ultra Pacing Summary Tiles */
.gpx-analyzer .ultra-pacing-summary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 20px;
  color: white;
}

.gpx-analyzer .ultra-pacing-summary h3 {
  margin-top: 0;
  margin-bottom: 15px;
  font-size: 18px;
  font-weight: 600;
}

.gpx-analyzer .ultra-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.gpx-analyzer .ultra-tile {
  background: rgba(255, 255, 255, 0.15);
  padding: 12px;
  border-radius: 6px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.gpx-analyzer .ultra-tile-value {
  font-size: 22px;
  font-weight: bold;
  margin-bottom: 4px;
}

.gpx-analyzer .ultra-tile-label {
  font-size: 11px;
  opacity: 0.9;
}

.gpx-analyzer .ultra-tile-sublabel {
  font-size: 10px;
  opacity: 0.7;
  font-style: italic;
}

/* Section Strategy Badge */
.gpx-analyzer .strategy-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: bold;
  margin-left: 8px;
}

.gpx-analyzer .strategy-run {
  background-color: #28a745;
  color: white;
}

.gpx-analyzer .strategy-run-hard {
  background-color: #ffc107;
  color: black;
}

.gpx-analyzer .strategy-hike {
  background-color: #fd7e14;
  color: white;
}

.gpx-analyzer .strategy-critical {
  background-color: #dc3545;
  color: white;
}

/* Pacing alert */
.gpx-analyzer .pacing-alert {
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: 4px;
  padding: 8px 12px;
  margin-top: 8px;
  font-size: 12px;
  color: #856404;
}

.gpx-analyzer .pacing-alert strong {
  color: #856404;
}

/* Export button */
.gpx-analyzer .export-btn {
  margin-top: 10px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: white;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}

.gpx-analyzer .export-btn:hover {
  background: rgba(255, 255, 255, 0.4);
}

/* Tab styles */
.gpx-analyzer .tab-container {
  margin-top: 30px;
}

.gpx-analyzer .tab-headers {
  display: flex;
  border-bottom: 2px solid #dee2e6;
  margin-bottom: 20px;
}

.gpx-analyzer .tab-header {
  padding: 12px 24px;
  background: #f8f9fa;
  border: 1px solid #dee2e6;
  border-bottom: none;
  cursor: pointer;
  margin-right: 4px;
  border-radius: 6px 6px 0 0;
  transition: background-color 0.2s;
}

.gpx-analyzer .tab-header:hover {
  background: #e9ecef;
}

.gpx-analyzer .tab-header.active {
  background: white;
  border-bottom: 2px solid white;
  position: relative;
  z-index: 1;
}

.gpx-analyzer .tab-content {
  display: none;
}

.gpx-analyzer .tab-content.active {
  display: block;
}

.gpx-analyzer .analyzer-container table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 30px;
  background: white;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.gpx-analyzer .analyzer-container th,
.gpx-analyzer .analyzer-container td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid #dee2e6;
}

.gpx-analyzer .analyzer-container th {
  background-color: #f8f9fa;
  font-weight: 600;
  color: #495057;
}

.gpx-analyzer .analyzer-container tr:last-child td {
  border-bottom: none;
}

.gpx-analyzer .numeric {
  text-align: right;
}

.gpx-analyzer .table-container {
  margin-bottom: 30px;
}

.gpx-analyzer .table-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 15px;
  color: #333;
}

.gpx-analyzer .copy-note {
  font-size: 14px;
  color: #6c757d;
  font-style: italic;
  margin-bottom: 10px;
}

.gpx-analyzer .loading {
  text-align: center;
  padding: 20px;
  color: #6c757d;
}

.gpx-analyzer .error {
  background-color: #f8d7da;
  color: #721c24;
  padding: 15px;
  border-radius: 6px;
  margin: 20px 0;
}

.gpx-analyzer .section-type {
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: bold;
  color: white;
}

.gpx-analyzer .section-very-steep-uphill {
  background-color: #8b0000;
}
.gpx-analyzer .section-steep-uphill {
  background-color: #dc3545;
}
.gpx-analyzer .section-moderate-uphill {
  background-color: #fd7e14;
}
.gpx-analyzer .section-gentle-uphill {
  background-color: #ffc107;
  color: black;
}
.gpx-analyzer .section-flat {
  background-color: #28a745;
}
.gpx-analyzer .section-gentle-downhill {
  background-color: #20c997;
}
.gpx-analyzer .section-moderate-downhill {
  background-color: #17a2b8;
}
.gpx-analyzer .section-steep-downhill {
  background-color: #6f42c1;
}
.gpx-analyzer .section-very-steep-downhill {
  background-color: #4b0082;
}

.gpx-analyzer .gradient-legend {
  margin: 20px 0;
  padding: 20px;
  background: #f8f9fa;
  border-radius: 8px;
}

.gpx-analyzer .gradient-legend h4 {
  margin-top: 0;
  margin-bottom: 15px;
  color: #495057;
  text-align: center;
}

.gpx-analyzer .legend-bar {
  display: flex;
  height: 30px;
  border-radius: 15px;
  overflow: hidden;
  margin-bottom: 15px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.gpx-analyzer .legend-segment {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: bold;
  color: white;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.gpx-analyzer .legend-labels {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: #6c757d;
  margin-top: 8px;
}

.gpx-analyzer .section-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  margin-top: 15px;
}

.gpx-analyzer .section-stat {
  background: white;
  padding: 10px;
  border-radius: 6px;
  text-align: center;
  border: 1px solid #dee2e6;
}

.gpx-analyzer .section-stat-value {
  font-size: 16px;
  font-weight: bold;
  color: #007bff;
}

.gpx-analyzer .section-stat-label {
  font-size: 11px;
  color: #6c757d;
  margin-top: 3px;
}

.gpx-analyzer .gpx-profile-details {
  margin-top: 20px;
  background-color: #f8f9fa;
  padding: 20px;
  border-radius: 6px;
  border: 1px solid #dee2e6;
}

.gpx-analyzer .gpx-subheading {
  margin-top: 20px;
  margin-bottom: 15px;
  color: #495057;
}

.gpx-analyzer .gpx-ultra-details {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 2px solid #667eea;
}

/* Comparison: Planned vs Actual */
.gpx-analyzer .comparison-summary {
  background: linear-gradient(135deg, #2d6a4f 0%, #40916c 100%);
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 20px;
  color: white;
}

.gpx-analyzer .comparison-summary h3 {
  margin-top: 0;
  margin-bottom: 15px;
  font-size: 18px;
  font-weight: 600;
}

.gpx-analyzer .comparison-summary .ultra-tiles {
  margin-bottom: 15px;
}

.gpx-analyzer .comparison-summary .ultra-tile.delta-ahead .ultra-tile-value {
  color: #a7f3d0;
}

.gpx-analyzer .comparison-summary .ultra-tile.delta-behind .ultra-tile-value {
  color: #fca5a5;
}

.gpx-analyzer .comparison-rating-grid {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.gpx-analyzer .comparison-rating-badge {
  text-align: center;
  min-width: 70px;
}

.gpx-analyzer .comparison-rating-count {
  font-size: 28px;
  font-weight: bold;
}

.gpx-analyzer .comparison-rating-label {
  font-size: 11px;
  opacity: 0.9;
}

.gpx-analyzer .comparison-fade-info {
  margin-top: 12px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  font-size: 13px;
}

.gpx-analyzer .comparison-fade-info p {
  margin: 0;
}

.gpx-analyzer .comparison-ahead td:first-child {
  border-left: 3px solid #28a745;
}

.gpx-analyzer .comparison-on-target td:first-child {
  border-left: 3px solid #ffc107;
}

.gpx-analyzer .comparison-behind td:first-child {
  border-left: 3px solid #fd7e14;
}

.gpx-analyzer .comparison-significantly-behind td:first-child {
  border-left: 3px solid #dc3545;
}

/* Route Deviation */
.gpx-analyzer .route-deviation-summary {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 8px;
  border: 1px solid #dee2e6;
}

.gpx-analyzer .route-deviation-summary h4 {
  margin-top: 0;
  margin-bottom: 15px;
  color: #495057;
}