/* main.css — shared base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f8f8f8;
  --surface: #ffffff;
  --text: #1a1a1a;
  --muted: #666;
  --border: #e0e0e0;
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111;
    --surface: #1e1e1e;
    --text: #f0f0f0;
    --muted: #999;
    --border: #333;
  }
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }