.ols-game{--g-navy:#1c244b;--g-blue:#467ff7;--g-muted:#5b6383;--g-line:rgba(28,36,75,.12);--g-wash:#f6f8fd;--g-good:#2e9d55;--g-bad:#d23b3b;display:flex;flex-direction:column;gap:18px;color:var(--g-navy)}.ols-game-page .ols-game-signin h2{margin:0;font-size:22px;font-weight:800;color:#1c244b}.ols-game-page .ols-game-signin p{margin:0;color:#5b6383;line-height:1.6}.ols-game-actions{display:flex;flex-wrap:wrap;gap:10px}.ols-game-wait{margin:0;color:var(--g-muted)}.ols-game-alert{margin:0;padding:12px 16px;border-radius:12px;background:#fdecec;color:#8f1d1d;font-weight:600}.ols-game-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.ols-game-kicker{display:block;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--g-muted)}.ols-game-kicker.is-good{color:var(--g-good)}.ols-game-meta{margin:0;font-size:14px;color:var(--g-muted)}.ols-game-meta a{color:#2c55b8;font-weight:700}.ols-game-picks{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px}.ols-game-page .ols-game-pick{display:inline-flex;align-items:center;min-height:40px;padding:8px 18px;border-radius:999px;background:#fff;box-shadow:inset 0 0 0 1.5px #1c244b;color:#1c244b;font-size:14px;font-weight:700;text-decoration:none}.ols-game-page .ols-game-pick:hover,.ols-game-page .ols-game-pick:focus-visible{background:#eef3ff}.ols-game-page .ols-game-pick.is-on{background:#1c244b;color:#fff}.ols-game-modes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.ols-game-mode{display:flex;flex-direction:column;align-items:flex-start;gap:10px;padding:24px;background:#fff;border:1px solid var(--g-line);border-radius:22px;box-shadow:0 10px 28px rgba(28,36,75,.09)}.ols-game-mode h2{margin:0;font-size:22px;font-weight:800;color:var(--g-navy)}.ols-game-mode p{margin:0;line-height:1.6;color:#3e4666}.ols-game-mode .ols-course-btn{margin-top:auto}.ols-game-mode-n{display:inline-block;align-self:flex-start;padding:3px 10px;border-radius:999px;background:var(--g-navy);color:#fff;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.ols-game-howto{padding:16px 20px;background:var(--g-wash);border:1px solid var(--g-line);border-radius:16px}.ols-game .ols-game-howto h2{margin:0 0 8px;font-size:15px;font-weight:800;color:var(--g-navy)}.ols-game-howto ol{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:4px}.ols-game-howto li{margin:0;font-size:14px;line-height:1.55;color:#3e4666}.ols-game-howto li b{color:var(--g-navy)}.ols-game-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;padding:12px 16px;background:#fff;border:1px solid var(--g-line);border-radius:16px}.ols-game-stat{font-size:14px;color:var(--g-muted);font-variant-numeric:tabular-nums}.ols-game-stat b{font-size:18px;color:var(--g-navy)}.ols-game .ols-game-leave{margin-left:auto;min-height:36px;padding:6px 14px;border:0;border-radius:999px;background:#fff;box-shadow:inset 0 0 0 1.5px var(--g-navy);color:var(--g-navy);font:inherit;font-size:13px;font-weight:700;cursor:pointer}.ols-game .ols-game-leave:hover,.ols-game .ols-game-leave:focus-visible{background:var(--g-navy);color:#fff}.ols-game-target{display:flex;flex-direction:column;align-items:center;gap:8px;min-height:150px;padding:16px;background:#fff;border:2px dashed rgba(70,127,247,.45);border-radius:18px;text-align:center}.ols-game-hint{font-size:14px;color:var(--g-muted)}.ols-game-made{font-size:16px;color:var(--g-good)}.ols-game-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.ols-game-grid>li{margin:0;min-width:0}.ols-game .ols-game-card{position:relative;display:block;width:100%;aspect-ratio: 5 / 4;min-height:130px;padding:0;border:0;background:transparent;perspective:900px;cursor:pointer;font:inherit;color:inherit}.ols-game .ols-game-card:focus-visible{outline:3px solid var(--g-blue);outline-offset:3px;border-radius:16px}.ols-game-inner{position:absolute;inset:0;transform-style:preserve-3d;transition:transform .38s ease}.ols-game-card.is-up .ols-game-inner{transform:rotateY(180deg)}.ols-game-back,.ols-game-front{position:absolute;inset:0;border-radius:16px;backface-visibility:hidden;-webkit-backface-visibility:hidden}.ols-game-back{background-color:var(--g-navy);box-shadow:0 6px 16px rgba(28,36,75,.18);background-image:url(data:image/svg+xml,%3Csvg\ xmlns=\'http://www.w3.org/2000/svg\'\ width=\'42\'\ height=\'48\'\ viewBox=\'0\ 0\ 42\ 48\'%3E%3Cpath\ d=\'M21\ 2\ 39\ 12.5v21L21\ 44\ 3\ 33.5v-21z\'\ fill=\'none\'\ stroke=\'%23467ff7\'\ stroke-opacity=\'.35\'\ stroke-width=\'1.6\'/%3E%3C/svg%3E);background-size:42px 48px;background-position:center}.ols-game-card:hover .ols-game-back{background-color:#26306a}.ols-game-front{transform:rotateY(180deg);background:#fff;border:1.5px solid var(--g-line);display:flex;align-items:center;justify-content:center;padding:8px;overflow:hidden}.ols-game-card.is-pair .ols-game-front{border-color:var(--g-good);box-shadow:inset 0 0 0 2px var(--g-good)}.ols-game-card.is-pair{cursor:default}.ols-game-card.is-miss .ols-game-front{border-color:var(--g-bad);box-shadow:inset 0 0 0 2px var(--g-bad);animation:ols-game-shake .35s ease}@keyframes ols-game-shake { 0%, 100% { translate: 0; } 25% { translate: -4px; } 75% { translate: 4px; } }.ols-game-face{white-space:normal;overflow-wrap:break-word;hyphens:auto;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;width:100%;height:100%;text-align:center}.ols-game-face.is-reagents{position:relative;padding-top:18px}.ols-game-face.is-reagents .ols-game-kicker{position:absolute;top:4px;left:0;right:0;text-align:center}.ols-game-face.is-structure{position:relative;padding:2px 0 22px}.ols-game-face.is-structure .ols-game-caption{position:absolute;bottom:3px;left:4px;right:4px;text-align:center}.ols-game-face.is-reagents b{font-size:clamp(15px,1.9vw,19px);font-weight:800;line-height:1.25;color:var(--g-navy)}.ols-game-cond{font-size:13px;line-height:1.35;color:#3e4666}.ols-game-caption{font-size:13px;font-weight:700;line-height:1.25;color:var(--g-navy)}.ols-game-pic{display:block;max-width:100%;height:auto;min-height:0;flex:0 1 auto;object-fit:contain}.ols-game-face .ols-game-pic{max-height:100%}.ols-game-pic.is-target{max-height:150px}.ols-game-end h2,.ols-game-h{margin:0;font-size:clamp(22px,3vw,28px);font-weight:800;color:var(--g-navy)}.ols-game-score{display:flex;flex-wrap:wrap;gap:12px}.ols-game-score span{display:grid;gap:2px;min-width:110px;padding:12px 14px;border-radius:14px;background:var(--g-wash);font-size:13px;color:var(--g-muted)}.ols-game-score b{font-size:22px;font-weight:800;color:var(--g-navy);font-variant-numeric:tabular-nums}.ols-game-exs{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}.ols-game-ex{display:grid;grid-template-columns:minmax(0,400px) minmax(0,1fr);gap:18px;align-items:center;padding:16px 0;border-top:1px solid #eef0f6;margin:0}.ols-game-ex p{margin:0 0 4px;line-height:1.55;color:#3e4666}.ols-game-ex-title{color:var(--g-navy)!important}.ols-game-ex-more{font-size:14px;color:var(--g-muted)!important}.ols-game-ex-pics{display:flex;align-items:center;justify-content:center;gap:10px;min-width:0}.ols-game-ex-pics .ols-game-pic{max-width:46%}.ols-game-ex-pics .ols-game-pic:only-child{max-width:100%}.ols-game-arrow{font-size:22px;color:var(--g-muted)}.ols-game-spec{display:inline-block;margin-top:4px;padding:2px 9px;border-radius:999px;background:#eef3ff;color:#2c55b8;font-size:12px;font-weight:800}@media (max-width:760px){.ols-game-modes{grid-template-columns:minmax(0,1fr)}.ols-game-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.ols-game .ols-game-card{aspect-ratio: 4 / 5;min-height:112px}.ols-game-face.is-reagents b{font-size:15px}.ols-game-cond,.ols-game-caption{font-size:11.5px}.ols-game-ex{grid-template-columns:minmax(0,1fr);gap:10px}.ols-game .ols-game-leave{margin-left:0}.ols-game-grid.is-16,.ols-game-grid.is-8{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.ols-game-grid.is-16 .ols-game-card{aspect-ratio: 3 / 4;min-height:0}.ols-game-grid.is-16 .ols-game-front{padding:4px;border-radius:12px}.ols-game-grid.is-16 .ols-game-back{border-radius:12px;background-size:30px 34px}.ols-game-grid.is-16 .ols-game-face.is-reagents b{font-size:12.5px}.ols-game-grid.is-16 .ols-game-cond,.ols-game-grid.is-16 .ols-game-caption{font-size:10px}.ols-game-grid.is-16 .ols-game-face.is-reagents{padding-top:12px}.ols-game-grid.is-16 .ols-game-face.is-structure{padding-bottom:24px}.ols-game-grid.is-16 .ols-game-face.is-structure .ols-game-caption{bottom:1px;line-height:1.15}.ols-game-grid.is-16 .ols-game-face .ols-game-kicker{top:2px;font-size:7.5px;letter-spacing:.06em}}@media (prefers-reduced-motion:reduce){.ols-quiz .ols-game-inner,.ols-game .ols-game-inner{transition:transform .26s ease!important}.ols-game-card.is-miss .ols-game-front{animation:none}}