* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: Segoe UI, Arial, sans-serif; color: var(--text); background: var(--bg); }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
input, select, textarea { border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; width: 100%; }
.hidden { display: none !important; }