* { box-sizing: border-box; }
body { font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; margin:0; background:#f7f7f9; color:#222; }
header, footer { background:#fff; border-bottom:1px solid #e5e5ee; padding:12px 16px; }
header h1 { margin:0; font-size:20px; }
header nav a { margin-right:12px; text-decoration:none; color:#0366d6; }
main { max-width: 900px; margin: 20px auto; padding: 0 12px; }
.narrow { max-width: 680px; margin: 20px auto; }
.card { background:#fff; border:1px solid #e5e5ee; border-radius:8px; padding:14px; margin-bottom:14px; }
.ask-form textarea { width:100%; }
.ask-form button { margin-top:8px; padding:10px 14px; }
.results .card { padding-bottom:8px; }
.answer { white-space: pre-wrap; margin: 8px 0 6px; }
.vote form button { border:1px solid #ddd; background:#fff; padding:8px 10px; border-radius:6px; cursor:pointer; margin-right:6px; }
.vote form button:hover { background:#f0f0f4; }
.table { width:100%; border-collapse: collapse; }
.table th, .table td { border-bottom:1px solid #eee; padding:8px; text-align:left; }
.alert { background:#fff3cd; border:1px solid #ffeeba; padding:8px 12px; border-radius:6px; margin:10px 0; }
.hint { color:#666; font-size:14px; margin:6px 0 12px; }