.ck-circuit{padding:12px;background:#e5f5f9;border-radius:16px}.ck-course-title{display:flex;justify-content:space-between;font-weight:800;color:#123e59}.ck-row{display:grid;grid-template-columns:minmax(180px,1fr) minmax(130px,auto);gap:8px;padding:12px 16px;background:white;border-radius:12px;margin:8px 0;overflow:hidden}.ck-track{grid-column:1/-1;position:relative;height:34px;margin:0 16px;background:repeating-linear-gradient(90deg,#bfd3df 0,#bfd3df calc(5% - 2px),#fff calc(5% - 2px),#fff 5%);border-bottom:5px solid #475569;border-radius:5px}.ck-car{position:absolute;left:0;top:-3px;font-size:30px;transform:translateX(-50%);transition:left .5s ease}.ck-gauge{font-size:1.4rem;font-weight:800;margin:16px 0;letter-spacing:.03em}.ck-goal{font-size:1.8rem;font-weight:bold;color:#704304;background:#fff4cb;border-radius:12px;padding:8px}.ck-goal:empty{display:none}.ck-countdown{font-size:clamp(3rem,10vw,7rem);text-align:center;font-weight:900;color:#5b21b6;min-height:0}.ck-toasts{position:sticky;top:10px;z-index:20;pointer-events:none}.ck-toast{background:#172554;color:#fff;border-radius:12px;padding:12px;margin:6px;font-size:1.15rem;box-shadow:0 4px 15px #0003}.ck-boost{animation:ckBoost .6s;background:#fff3b0}.ck-back{animation:ckBack .4s;background:#ffe5e5}.ck-flag{animation:ckFlag .3s alternate 4}@keyframes ckBoost{50%{transform:translateX(12px);box-shadow:-14px 0 #fbbf2466}}@keyframes ckBack{50%{transform:translateX(-8px)}}@keyframes ckFlag{from{transform:rotate(-6deg)}to{transform:rotate(6deg)}}@media(prefers-reduced-motion:reduce){.ck-car{transition:none}.ck-boost,.ck-back,.ck-flag{animation:none}}@media(max-width:650px){.ck-row{grid-template-columns:1fr;font-size:1rem}.ck-gauge{font-size:1.1rem}}#classKart button{min-height:48px;min-width:80px}

.ck-host{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:6px}.ck-host .ck-course-title{grid-column:1/-1}.ck-host .ck-row{margin:0;padding:8px;grid-template-columns:1fr;font-size:.95rem;gap:3px}.ck-host .ck-track{height:28px}.ck-host .ck-car{font-size:25px}.ck-playing .cb-room-code{font-size:2.5rem;line-height:1.2}.ck-playing .cb-room-label{margin-bottom:0}

.ck-car{transform:translateX(-50%) scaleX(-1)}