.clock-engine-root{width:100%;height:100%;overflow:auto;color:#342352;background:linear-gradient(145deg,#f2ecff,#fff8e7)}
.clock-game{box-sizing:border-box;max-width:900px;min-height:100%;margin:auto;padding:clamp(16px,3vw,32px);text-align:center}
.clock-header h2{margin:.25rem 0;font-size:clamp(1.5rem,4vw,2.35rem)}.clock-header p{max-width:720px;margin:.5rem auto 1rem;font-size:clamp(1rem,2.3vw,1.25rem);font-weight:700;line-height:1.45}
.clock-wrap{max-width:500px;margin:0 auto}.learning-clock{display:block;width:100%;height:auto;filter:drop-shadow(0 12px 20px rgba(52,35,82,.16));touch-action:none}.clock-hand.draggable{cursor:grab}.clock-hand.draggable:active{cursor:grabbing}.drag-help{margin:.4rem 0;color:#405000;font-weight:800}.digital-time{display:inline-block;min-width:130px;margin-top:.35rem;padding:.35rem .8rem;border:3px solid #b7f500;border-radius:12px;background:#fff;font-size:1.35rem;font-weight:900;box-shadow:0 3px 12px #dcd2ed}
.clock-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;max-width:760px;margin:0 auto}.clock-pair .clock-wrap{max-width:360px}.clock-pair-label{display:inline-block;margin-bottom:-4px;padding:.25rem .75rem;border-radius:999px;background:#fff;color:#342352;font-weight:900;box-shadow:0 2px 8px rgba(52,35,82,.14)}
.clock-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;max-width:760px;margin:18px auto}.clock-option,.clock-check,.clock-reset,.clock-feedback button{border:2px solid #d8c9f0;border-radius:16px;background:#fff;color:#342352;padding:14px 18px;font:inherit;font-weight:800;cursor:pointer;transition:.18s}.clock-option:hover:not(:disabled),.clock-option.selected{border-color:#88b900;background:#dfff72;box-shadow:0 0 0 4px rgba(183,245,0,.3);transform:translateY(-2px)}.clock-option.used{border-color:#88b900;background:#eaffaa;opacity:.65}.clock-check{min-width:180px;border-color:#5d7e00;background:#b7f500;color:#263500}.clock-check:disabled{cursor:not-allowed;opacity:.45}.clock-reset{padding:9px 16px;background:transparent}.order-result{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;min-height:48px;margin:16px auto}.order-result span{padding:9px 13px;border:2px solid #b7f500;border-radius:10px;background:#f3ffc9;box-shadow:0 2px 8px #ddd}.clock-feedback{max-width:520px;margin:18px auto;padding:15px;border-radius:16px;font-size:1.1rem;font-weight:900}.clock-feedback.correct{background:#d9f8e5;color:#176b3a}.clock-feedback.wrong{background:#ffe2e2;color:#9b2525}.clock-feedback button{margin-left:12px;padding:7px 14px}
@media(max-width:560px){.clock-game{padding:12px}.clock-wrap{max-width:94vw}.clock-pair{gap:6px}.clock-pair-label{font-size:.78rem}.clock-options{grid-template-columns:1fr}.clock-option{padding:12px}.drag-help{font-size:.88rem}}
@media(prefers-reduced-motion:reduce){.clock-option{transition:none}}