*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica,Arial,sans-serif;background:#f6f7fb;color:#111;display:flex;flex-direction:column}
.app-header{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;align-items:center;padding:1rem 1.2rem;background:#7c4a0e;color:#fff;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.brand{display:flex;gap:.8rem;align-items:center}.brand .logo{font-size:2rem}.subtitle{margin:.2rem 0 0;opacity:.9}
.controls{display:flex;gap:.8rem;align-items:center;flex-wrap:wrap}
.controls .primary,.secondary{border:none;border-radius:12px;padding:.6rem .9rem;font-weight:600;cursor:pointer}
.primary{background:#ffd23f}.primary:hover{filter:brightness(1.05)}.secondary{background:#e8ecf3}.secondary:hover{filter:brightness(1.03)}
.toggle{display:flex;gap:.4rem;align-items:center;background:#5c3508;padding:.3rem .5rem;border-radius:10px}
.toggle input{transform:scale(1.2)}
main{display:flex;flex-direction:column;gap:1rem;padding:1rem;max-width:1100px;margin:0 auto;flex:1;width:100%}
.track-card,.game-card,.pool-card{background:#fff;border-radius:16px;box-shadow:0 8px 24px rgba(0,0,0,.08);padding:1rem}
.track{position:relative;height:120px;border-radius:12px;background:linear-gradient(180deg,#f1e6d9,#f7efe6);overflow:hidden;margin-bottom:.6rem}
.lane{position:relative;height:50%;border-bottom:2px dashed rgba(0,0,0,.15)}.lane:last-child{border-bottom:none}
.horse{position:absolute;left:8px;top:8px;font-size:1.8rem;transition:transform .5s ease}.lane:last-child .horse{top:8px}
.rival{filter:drop-shadow(0 0 4px rgba(255,0,0,.35))}
.finish{position:absolute;right:12px;top:0;bottom:0;width:18px;background:repeating-linear-gradient(45deg,#000 0 8px,#fff 8px 16px);border-left:3px solid #000;border-right:3px solid #000;opacity:.8}
.score{display:flex;gap:1rem;font-weight:700}
.sentence{font-size:1.6rem;line-height:2rem;padding:.6rem 0;min-height:3.6rem}
.sentence .token{padding:.15rem .2rem;border-radius:6px;margin:0 .05rem}
.sentence .target{background:#ffe8b2;border:2px solid #ffbf00;box-shadow:0 2px 0 #ffbf00aa}
.answers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem;margin-top:.6rem}
.answers .answer{padding:.7rem .8rem;border-radius:12px;border:2px solid #d0d7e2;background:#f2f6ff;font-weight:700;cursor:pointer;text-align:left}
.answers .answer:hover{filter:brightness(1.02)}
.help{margin-top:.4rem}.help .grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.4rem}.help .grid>div{background:#f7f9ff;border:1px dashed #cdd6ea;border-radius:10px;padding:.4rem .6rem}
.feedback{min-height:2.2rem;margin-top:.6rem;padding:.6rem .8rem;border-radius:12px;background:#f7fbf6;border:2px solid #cfe7cf;display:none}
.feedback.error{background:#fff5f5;border-color:#f2cccc}
.feedback-controls{display:flex;justify-content:flex-end;gap:.5rem;margin-top:.3rem}
.actions{display:flex;justify-content:flex-end;margin-top:.6rem}
.pool-controls{display:flex;gap:.6rem;align-items:center;margin:.6rem 0}
.pool-controls input{flex:1;padding:.5rem;border:1px solid #ccd5e3;border-radius:10px}
.pool-list{display:grid;grid-template-columns:1fr;gap:.5rem}
.pool-item{padding:.5rem .6rem;border:1px solid #e6e9f1;border-radius:12px;background:#fafbff}
.pool-item .meta{display:flex;gap:.4rem;flex-wrap:wrap;margin-bottom:.2rem}
.app-footer{padding:1rem;text-align:center;color:#333}
.whiteboard body{background:#fff}.whiteboard .app-header{background:#5c3508}.whiteboard .sentence{font-size:2.2rem;line-height:2.6rem}.whiteboard .answers{grid-template-columns:repeat(3,minmax(0,1fr))}.whiteboard .answers .answer{font-size:1.2rem;padding:1rem}
.star{position:absolute;pointer-events:none;font-size:1.6rem;opacity:0;transform:translateY(0);transition:transform .8s ease,opacity .8s ease}
.star.show{opacity:1;transform:translateY(-40px)}