:root {
  --bg: #f5f5f5;
  --card: #ffffff;
  --text: #1e1e1e;
  --muted: #5f6368;
  --line: #e7e7e7;
  --blue: #4A6EE0;
  --blue-ink: #2e4fc3;
  --radius: 16px;
  --shadow: 0 4px 18px rgba(0,0,0,.06);
}