/* 基础重置 & 变量 */
:root {
  --bg: #0a0a1a;
  --card: rgba(255,255,255,0.05);
  --border: rgba(255,255,255,0.08);
  --accent: #7c3aed;
  --accent2: #5eead4;
  --text: #e0e0e0;
  --text2: #888;
}
* { margin:0; padding:0; box-sizing:border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}