/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #fff;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  background-attachment: fixed;
  background-size: cover;
  min-height: 100vh;
}

/* Header styles */
.header {
  text-align: center;
  color: white;
  padding: 20px 0 0 0;
  background: rgba(118, 75, 162, 0.1); /* 增强紫色调 */
}

.header h1 {
  color: #fff;
  font-size: 2.2em;
  text-align: center;
  font-weight: 300;
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.author-info {
  color: rgba(255,255,255,0.9);
  font-size: 1em;
  font-weight: 300;
  opacity: 0.9;
}

.global-controls {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-evenly;
  margin-bottom: 5px;
  margin-top: 5px;
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.9);
  padding: 6px 10px;
  border-radius: 4px;
  border: 1px solid rgba(118, 75, 162, 0.2);
  height: 34px; /* 与toggle-groups-btn高度一致 */
}

.control-group label {
  font-weight: 500;
  color: #764ba2;
  font-size: 12px;
}

.control-group select {
  padding: 4px 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  background: white;
  font-size: 12px;
  outline: none;
  transition: border-color 0.3s ease;
}

.control-group select:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.2);
}

.toggle-groups-btn {
  background: #ffffff;
  color: #764ba2;
  border: 1px solid rgba(118, 75, 162, 0.2);
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.toggle-btn {
  background: #ffffff;
  color: #764ba2;
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
}

.toggle-btn:hover {
  background: #f0e6f6;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.drop-zone {
  border: 2px dashed #667eea;
  border-radius: 8px;
  padding: 30px;
  text-align: center;
  margin: 10px 0;
  background: rgba(255,255,255,0.9);
  cursor: pointer;
  transition: all 0.3s ease;
  color: #333;
}

.drop-zone:hover {
  background: rgba(255,255,255,0.95);
  border-color: #764ba2;
}

.drop-zone.dragover {
  background: rgba(255,255,255,0.98);
  border-color: #5a6fd8;
}

.collapsed {
  display: none;
}

/* Table of Contents */
.toc {
  background: white;
  padding: 15px;
  margin: 0 20px 15px 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.toc h2 {
  color: #2c3e50;
  margin-bottom: 12px;
  font-size: 1.2em;
}

#toc-list {
  list-style: none;
}

#toc-list li {
  margin: 3px 0;
}

#toc-list a {
  color: #3498db;
  text-decoration: none;
  padding: 3px 8px;
  border-radius: 4px;
  display: block;
  transition: background-color 0.2s;
  font-size: 0.9em;
}

#toc-list a:hover {
  background-color: #f0f8ff;
}

/* Benchmark groups */
.benchmark-group {
  background: white;
  margin: 0 20px 15px 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  overflow: hidden;
}

.group-header {
  background: #34495e;
  color: white;
  padding: 10px 12px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.group-header:hover {
  background: #2c3e50;
}

.group-header h3 {
  margin: 0;
  font-size: 1.0em;
  flex: 1;
}

.group-controls {
  display: flex;
  align-items: center;
  gap: 15px;
  background: rgba(255,255,255,0.1);
  padding: 5px 10px;
  border-radius: 4px;
}

.group-toggle {
  background: none;
  border: none;
  color: white;
  font-size: 1.5em;
  cursor: pointer;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.group-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

.back-to-toc {
  background: #ffffff;
  color: #27ae60;
  border: none;
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

.back-to-toc:hover {
  background: #f1f9f5;
}

.group-content {
  padding: 10px;
}

.collapsed .group-content {
  display: none;
}

/* Environment info */
.environment-info {
  background: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: 4px;
  padding: 15px;
  margin-bottom: 20px;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: #333333;
}

.environment-toggle {
  background: #ffffff;
  color: #95a5a6;
  border: none;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 10px;
  transition: background-color 0.3s ease;
}

.environment-toggle:hover {
  background: #f8f9fa;
}

/* Chart container */
.chart-container {
  border: 1px solid #e9ecef;
  border-radius: 8px;
  padding: 15px;
  background: white;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.chart-title {
  font-size: 1.2em;
  font-weight: 600;
  color: #2c3e50;
}

.chart-controls {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  width: 100%;
}

.chart-controls select {
  padding: 3px 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 12px;
}

.copy-svg-btn {
  background: #ffffff;
  color: #9b59b6;
  border: none;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

.copy-svg-btn:hover {
  background: #fdf2ff;
}

.chart {
  width: 100%;
  height: 350px;
  min-height: 250px;
}

/* Detailed data */
.detailed-data {
  background: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: 4px;
  padding: 15px;
  margin-top: 2px;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: #333333; /* 深色文本确保可读性 */
}

.detailed-data.collapsed {
  max-height: 0;
  padding: 0;
  overflow: hidden;
  border: none;
  margin-top: 0;
}

.detailed-data-container {
  margin-top: 15px;
}

.detailed-data-toggle-container {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 2px;
}

.detailed-data-toggle {
  background: #ffffff;
  color: #95a5a6;
  border: none;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

.detailed-data-toggle:hover {
  background: #f8f9fa;
}

.detailed-data pre {
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
  color: #333333; /* 深色文本确保可读性 */
}

/* Loading indicator */
.loading {
  text-align: center;
  padding: 50px;
  color: #666;
}

.spinner {
  border: 4px solid #f3f3f3;
  border-top: 4px solid #3498db;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Responsive design */
@media (max-width: 768px) {
  .global-controls {
    flex-direction: column;
    align-items: flex-start;
  }

  .chart-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .chart-controls {
    width: 100%;
    justify-content: space-between;
  }

  .benchmark-group {
    margin: 0 10px 20px 10px;
  }

  .toc {
    margin: 0 10px 20px 10px;
  }
}

/* Author information styles */
.author-info {
  color: rgba(255,255,255,0.8);
  font-size: 14px;
  font-style: normal;
}

/* Footer styles */
.footer {
  text-align: center;
  color: rgba(255,255,255,0.7);
  padding: 30px 0;
  margin-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer p {
  margin: 5px 0;
}

/* Utility classes */
.hidden {
  display: none;
}

.fade-in {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* 折叠/展开所有分组按钮样式 */
.toggle-groups-btn {
  background: rgba(255,255,255,0.9);
  color: #764ba2;
  border: 1px solid rgba(118, 75, 162, 0.2);
  padding: 6px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.toggle-groups-btn:hover {
  background: rgba(255,255,255,1);
  border-color: rgba(118, 75, 162, 0.4);
  transform: none;
  box-shadow: none;
}

/* Toast notifications */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  background: #27ae60;
  color: white;
  padding: 10px 20px;
  border-radius: 20px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
  z-index: 1000;
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.toast.error {
  background: #e74c3c;
}

.toast.info {
  background: #3498db;
}