* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "Segoe UI", Roboto, sans-serif; background: #fbf7f0; color: #3b2a1a; }
header { display: flex; justify-content: space-between; align-items: center; padding: 14px 22px; border-bottom: 1px solid #eadfcd; }
header nav a { margin-left: 18px; color: #8a5a2b; text-decoration: none; }
.logo { font-weight: 700; color: #3b2a1a; text-decoration: none; }
main { max-width: 560px; margin: 24px auto; padding: 0 16px; text-align: center; }
.lead { color: #6b5541; }
canvas { width: 100%; max-width: 480px; border: 2px solid #eadfcd; border-radius: 12px; touch-action: none; }
.hud { font-size: 15px; }
button { font-size: 16px; padding: 10px 26px; border: 0; border-radius: 8px; background: #8a5a2b; color: #fff; cursor: pointer; }
article { text-align: left; line-height: 1.6; }
footer { text-align: center; color: #9b8670; font-size: 13px; padding: 30px 16px; }