@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css');

:root {
  --main-bg: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  --card-bg: rgba(255,255,255,0.95);
  --accent: #667eea;
  --accent2: #764ba2;
  --text: #2d3748;
  --muted: #718096;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(102, 126, 234, 0.15);
  --shadow-hover: 0 8px 32px rgba(102, 126, 234, 0.25);
  --success: #48bb78;
  --warning: #ed8936;
  --danger: #f56565;
}

body {
  background: var(--main-bg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  min-height: 100vh;
  margin: 0;
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--accent2), var(--accent));
}

/* 动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 #60a5fa66; }
  70% { box-shadow: 0 0 0 8px #60a5fa00; }
  100% { box-shadow: 0 0 0 0 #60a5fa00; }
}