* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-size: var(--text-base);
    line-height: 1.6;
}
h1, h2, h3, h4, h5, h6 { font-weight: 600; line-height: 1.2; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; }
.monospace { font-family: 'JetBrains Mono', monospace; }
input, select, textarea { font-family: inherit; }