/* 弹出窗口样式 */
body {
  width: 350px;
  min-height: 500px;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f8f9fa;
  color: #333;
}

.header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 20px;
  text-align: center;
}

.header h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
}

.version {
  font-size: 12px;
  opacity: 0.8;
  margin-top: 5px;
}

.tabs {
  display: flex;
  background: white;
  border-bottom: 1px solid #e1e5e9;
}

.tab-btn {
  flex: 1;
  padding: 12px 8px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 13px;
  color: #666;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.tab-btn.active {
  color: #667eea;
  border-bottom-color: #667eea;
}

.tab-btn:hover {
  background: #f8f9fa;
}

.tab-content {
  display: none;
  padding: 20px;
}

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

.feature-section {
  margin-bottom: 25px;
}

.feature-section h3 {
  margin: 0 0 15px 0;
  font-size: 16px;
  color: #2c3e50;
}

.btn {
  padding: 10px 16px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s ease;
  margin-right: 8px;
  margin-bottom: 8px;
}

.btn.primary {
  background: #667eea;
  color: white;
}

.btn.primary:hover {
  background: #5a6fd8;
}

.btn:disabled {
  background: #e9ecef;
  color: #6c757d;
  cursor: not-allowed;
}

.btn.link {
  background: none;
  color: #667eea;
  text-decoration: underline;
  padding: 5px 10px;
}

.stats {
  margin-top: 15px;
  background: white;
  border-radius: 8px;
  padding: 15px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.stat-item {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid #f1f3f4;
}

.stat-item:last-child {
  border-bottom: none;
}

.label {
  font-weight: 500;
  color: #555;
}

.setting-group {
  margin-bottom: 15px;
}

.setting-group label {
  display: flex;
  align-items: center;
  font-size: 14px;
  cursor: pointer;
}

.setting-group input[type="checkbox"] {
  margin-right: 10px;
}

.setting-group select {
  margin-left: auto;
  padding: 5px 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}

.tool-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.tool-btn {
  padding: 20px 10px;
  border: 1px solid #e1e5e9;
  border-radius: 8px;
  background: white;
  cursor: pointer;
  font-size: 14px;
  text-align: center;
  transition: all 0.3s ease;
}

.tool-btn:hover {
  background: #f8f9fa;
  border-color: #667eea;
  transform: translateY(-1px);
}

.footer {
  padding: 15px 20px;
  background: white;
  border-top: 1px solid #e1e5e9;
  text-align: center;
}