.chain-top{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:14px}.chain-prompt{text-align:center;margin:22px auto;padding:18px;border-radius:18px;background:#142848;color:#fff}.chain-prompt span{display:block;font-size:13px}.chain-prompt strong{display:block;color:#ffd36b;font:800 clamp(52px,14vw,90px)/1 'Bricolage Grotesque',sans-serif;animation:chain-pulse 1.6s ease-in-out infinite}.chain-prompt p{margin:7px 0 0;font:700 15px/1 'Space Mono',monospace}.chain-form{max-width:620px;margin:auto;display:grid;grid-template-columns:1fr auto;gap:9px}.chain-form label{grid-column:1/-1;font-weight:700}.chain-form input{min-width:0;padding:13px;border:2px solid var(--line-soft);border-radius:10px;font:600 17px Inter,sans-serif}.chain-history{display:flex;flex-wrap:wrap;gap:7px;max-width:720px;margin:20px auto;padding:0;list-style:none}.chain-history li{padding:9px 11px;border:1px solid var(--line-soft);border-radius:999px;background:#fff;font:700 13px/1 'Space Mono',monospace;animation:chain-arrive .32s ease}.chain-history .is-latest{background:#e1f4ef;border-color:#0d7477}.chain-result{text-align:center;animation:chain-arrive .45s ease both}.is-error{animation:chain-shake .24s linear}@keyframes chain-arrive{from{opacity:0;transform:translateY(9px) scale(.96)}to{opacity:1;transform:none}}@keyframes chain-pulse{50%{transform:scale(1.06);color:#fff0ba}}@keyframes chain-shake{25%,75%{transform:translateX(5px)}50%{transform:translateX(-5px)}}@media(prefers-reduced-motion:reduce){.chain-prompt strong,.chain-history li,.chain-result,.is-error{animation:none!important}}@media(max-width:600px){.chain-form{grid-template-columns:1fr}.chain-form .game-button{width:100%}.chain-top{justify-content:center}}