/* MCQ play layer (site/_shared/sprint.js) */
body.lock { overflow: hidden; }
.play { background: var(--card); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); padding: 14px; margin: 14px 0 6px; display: grid; gap: 12px; }
.play .goal { display: flex; align-items: center; gap: 14px; }
.ring { --p: 0; flex: none; width: 66px; height: 66px; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--mint) calc(var(--p) * 1%), var(--soft) 0); position: relative; }
.ring::before { content: ''; position: absolute; inset: 7px; background: var(--card); border-radius: 50%; }
.ring b { position: relative; font-size: 19px; line-height: 1; } .ring small { font-size: 12px; color: var(--muted); font-weight: 600; }
.play .gt { font-weight: 700; font-size: 18px; } .play .gs { font-size: 15px; color: var(--muted); }
.play .fire { filter: saturate(1.2); }
.play .acts { display: grid; grid-template-columns: 1.3fr 1fr; gap: 8px; }
.btn.big { display: flex; flex-direction: column; align-items: center; gap: 0; padding: 10px 8px; font-size: 17px; line-height: 1.35; }
.btn.big small { font-size: 12.5px; font-weight: 500; opacity: .8; }
.btn[disabled] { opacity: .45; cursor: default; }
.path { display: grid; grid-template-columns: repeat(9, 1fr); gap: 4px; }
.path button { border: 1.5px solid var(--line); background: #fff; border-radius: 10px; padding: 4px 0 3px; display: grid; justify-items: center; font-family: inherit; cursor: pointer; color: var(--ink); }
.path button.on { border-color: var(--peach); background: var(--peach-bg); }
.path i { font-style: normal; font-weight: 700; font-size: 14px; } .path span { font-size: 9.5px; letter-spacing: -1px; color: var(--gold); line-height: 1.2; }
@media (max-width: 420px) { .path span { font-size: 8px; } }

.sprint { position: fixed; inset: 0; z-index: 100; background: var(--bg); display: grid; grid-template-rows: auto 1fr auto; animation: rise .2s ease; }
.sprint .top { display: flex; align-items: center; gap: 10px; padding: 10px 14px; max-width: 760px; width: 100%; margin: 0 auto; }
.sprint .x { border: 0; background: var(--soft); width: 36px; height: 36px; border-radius: 50%; font-size: 16px; cursor: pointer; color: var(--ink); flex: none; }
.sprint .prog { flex: 1; height: 10px; background: var(--soft); border-radius: 99px; overflow: hidden; }
.sprint .prog i { display: block; height: 100%; background: linear-gradient(90deg, var(--mint), #3bb381); border-radius: 99px; transition: width .35s ease; }
.sprint .top span { font-size: 14px; font-weight: 600; color: var(--muted); white-space: nowrap; }
.sprint .cmb { color: var(--peach) !important; min-width: 2.2em; }
.sprint .card-area { overflow-y: auto; padding: 4px 16px 16px; max-width: 760px; width: 100%; margin: 0 auto; }
.sprint .card-area .mcq { margin-top: 6px; box-shadow: var(--shadow); }
.sprint .retry { background: var(--gold-bg); color: var(--gold); font-weight: 700; border-radius: 12px; padding: 6px 12px; margin: 6px 0; font-size: 15px; }
.sprint .fb { font-weight: 700; margin: 10px 2px 0; min-height: 0; animation: pop .3s ease; }
.sprint .fb.good { color: var(--mint); } .sprint .fb.bad { color: var(--rose); }
.sprint .fb:empty { display: none; }
.sprint .bot { padding: 10px 16px calc(12px + env(safe-area-inset-bottom)); background: rgba(250,246,238,.96); border-top: 1px solid var(--line); }
.sprint .bot .btn { width: 100%; max-width: 728px; margin: 0 auto; display: block; font-size: 18px; padding: 12px; }
.sprint .bot.two { display: flex; gap: 10px; justify-content: center; } .sprint .bot.two .btn { flex: 1; max-width: 360px; margin: 0; }
.sprint .end { text-align: center; padding-top: 24px; }
.sprint .end h2 { font-size: 30px; margin: 4px 0; }
.sprint .stars { font-size: 52px; letter-spacing: 6px; color: var(--gold); line-height: 1.2; animation: pop .5s ease; }
.sprint .stars.s0 { color: #cfc6b2; }
.sprint .mini { color: var(--peach); font-weight: 600; }
.sprint .miss { text-align: left; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 10px 14px; margin: 14px 0; font-size: 15.5px; }
.sprint .miss div { padding: 3px 0; border-top: 1px dashed var(--line); } .sprint .miss b { display: block; margin-bottom: 2px; color: var(--rose); }
@keyframes pop { 0% { transform: scale(.85); opacity: 0; } 60% { transform: scale(1.06); } 100% { transform: scale(1); opacity: 1; } }