.ioe-theme-party{--teal:#c2410c;--gold:#f5b83d;--cream:#fff8f0;--line:#f3dcc6}.ioe-theme-words{--teal:#3346b8;--gold:#f08a5d;--cream:#f6f7fd;--line:#dde1f4}.ioe-theme-hub{--teal:#0f6d78;--gold:#f3b447;--cream:#f3f9f9;--line:#d4e6e7}.ioe-page .sci-hero-fallback{background:radial-gradient(circle at 75% 45%,#ffffff40,transparent 55%),linear-gradient(135deg,#2b1a10,var(--teal))}.ioe-big{margin:0;font-size:1.5rem;font-weight:800}.ioe-equation{border:2px dashed var(--teal);color:var(--ink);font-variant-numeric:tabular-nums;background:#fff;border-radius:12px;margin:10px 0;padding:8px 14px;font-size:1.15rem;font-weight:800;display:inline-block}.ioe-pool{flex-wrap:wrap;gap:10px;margin:12px 0;display:flex}.ioe-step-buttons{flex-wrap:wrap;gap:8px;margin:10px 0;display:flex}.ioe-slot-hint{color:#8a8f98;font-size:.9rem}.ioe-clock-row{flex-wrap:wrap;align-items:center;gap:18px;display:flex}.ioe-clock-face{touch-action:none;cursor:grab;border-radius:50%;width:min(240px,72vw);height:auto}.ioe-clock-face:focus-visible{outline:3px solid var(--teal);outline-offset:4px}.ioe-clock-rim{fill:#fff;stroke:var(--teal);stroke-width:6px}.ioe-clock-num{fill:#334;font-size:15px;font-weight:700}.ioe-clock-hand{stroke:var(--teal);stroke-width:9px;stroke-linecap:round}.ioe-clock-pin{fill:var(--gold)}.ioe-clock-read p{margin:4px 0}.ioe-day-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:12px;display:grid}.ioe-day-tag{margin-bottom:4px;font-size:.85rem;font-weight:700;display:block}.ioe-day-cells{grid-template-columns:repeat(12,minmax(0,1fr));gap:2px;display:grid}.ioe-day-cells span{background:var(--line);border-radius:4px;height:22px}.ioe-day-half:first-child .ioe-day-cells span.filled{background:#f5b83d}.ioe-day-half:last-child .ioe-day-cells span.filled{background:#5561c9}.ioe-rod{align-items:center;gap:2px;display:inline-flex}.ioe-rod i{background:#f5b83d;border-radius:3px;width:clamp(7px,3vw,16px);height:22px;box-shadow:inset 0 -3px #0002}.ioe-rod.base i{background:#2f7de1}.ioe-rod.wrong i{opacity:.75;background:#e5484d}.ioe-rod b{margin-left:6px;font-size:1.05rem}.ioe-double-stage{border:1px solid var(--line);background:#fff;border-radius:14px;flex-direction:column;gap:8px;padding:12px;display:flex;overflow-x:auto}.ioe-double-slot{border:2px dashed var(--line);background:var(--cream);cursor:pointer;text-align:left;border-radius:10px;align-items:center;min-height:44px;padding:6px;display:flex}.ioe-double-slot.filled{border-style:solid;border-color:#2fa84f}.ioe-basket{z-index:2;border:3px dashed var(--teal);cursor:pointer;text-align:left;background:#fff;border-radius:16px;flex-direction:column;align-items:flex-start;gap:6px;width:100%;padding:12px;display:flex;position:sticky;top:8px}.ioe-basket.full{background:#f0fbf2;border-style:solid;border-color:#2fa84f}.ioe-basket-title{font-weight:800}.ioe-basket-groups{flex-wrap:wrap;align-items:center;gap:6px;min-height:28px;display:flex}.ioe-basket-chip{background:var(--cream);border-radius:999px;align-items:center;gap:4px;padding:2px 8px;font-weight:800;display:inline-flex}.ioe-shelf{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px;margin-top:12px;display:grid}.ioe-shelf-item{align-items:center;gap:4px;display:flex}.ioe-shelf-item .esl-drag{flex:1;min-width:0}.ioe-group{text-align:left;flex-direction:column;gap:4px;display:flex}.ioe-group-name{flex-direction:column;line-height:1.2;display:flex}.ioe-group-name small{color:#667}.ioe-group-items{flex-wrap:wrap;align-items:center;gap:2px;display:flex}.ioe-item{width:16px;height:24px}.ioe-item.wide{width:24px;height:16px}.ioe-item.emoji{width:auto;height:auto;font-size:16px;line-height:1}.ioe-count{background:var(--teal);color:#fff;border-radius:8px;margin-left:6px;padding:0 7px;font-size:.95rem}.ioe-take-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.ioe-take-box{border:1px solid var(--line);background:#fff;border-radius:16px;min-width:0;padding:12px}.ioe-take-box.bag{border:3px dashed var(--teal)}.ioe-take-box.bag.full{background:#f0fbf2;border-style:solid;border-color:#2fa84f}.ioe-take-box h4{margin:0 0 4px}.ioe-places{flex-wrap:wrap;gap:8px;font-size:.9rem;display:flex}.ioe-places b{font-size:1.05rem}.ioe-block-row{flex-wrap:wrap;align-items:flex-end;gap:6px;min-height:48px;margin-top:8px;display:flex}.ioe-block{display:block}.ioe-block.flat{width:44px;height:44px}.ioe-block.rod{width:8px;height:44px}.ioe-block.cube{width:8px;height:8px}.ioe-block rect{fill:#f5b83d;stroke:#9a5b13;stroke-width:.4px}.ioe-block line{stroke:#9a5b1399;stroke-width:.3px}.ioe-block-back{cursor:pointer;background:0 0;border:0;padding:2px}.ioe-drop-here{width:100%;margin-top:10px}.ioe-place-grid{align-items:center;gap:6px;max-width:520px;display:grid}.ioe-place-head{text-align:center;color:#556;font-size:.8rem;font-weight:700}.ioe-place-label{font-size:.95rem;font-weight:800}.ioe-place-cell{border:1px solid var(--line);background:#fff;border-radius:12px;place-items:center;height:54px;font-size:1.6rem;font-weight:800;display:grid}.ioe-place-cell.old{color:#9aa0ab}.ioe-place-cell.target{border:2px dashed var(--teal);cursor:pointer}.ioe-place-cell.filled{color:var(--ink);border-style:solid;border-color:#2fa84f}.ioe-digit{flex-direction:column;align-items:center;font-size:1.6rem;font-weight:800;line-height:1.1;display:inline-flex}.ioe-digit small{font-size:.7rem;font-weight:600}.ioe-price-card{border:1px solid var(--line);background:#fff;border-radius:14px;flex-wrap:wrap;align-items:center;gap:10px;padding:8px 12px;display:inline-flex}.ioe-tray{background:#e9d8bf;border-radius:8px;gap:1px;padding:3px 6px;display:inline-flex;box-shadow:inset 0 -3px #0001}.ioe-tray i{font-size:15px;font-style:normal;line-height:1}.ioe-trays-row{flex-wrap:wrap;align-items:stretch;gap:12px;margin-top:12px;display:flex}.ioe-tray-source{flex-direction:column;align-items:center;gap:4px;display:flex}.ioe-cart{border:3px dashed var(--teal);cursor:pointer;background:#fff;border-radius:16px;flex-direction:column;flex:1;align-items:flex-start;gap:6px;min-width:220px;min-height:90px;padding:10px;display:flex}.ioe-cart.full{background:#f0fbf2;border-style:solid;border-color:#2fa84f}.ioe-cart-title{font-weight:800}.ioe-cart-trays{grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:4px;width:100%;display:grid}.ioe-ledger p,.ioe-method p{font-variant-numeric:tabular-nums;margin:4px 0}.ioe-method{border-left:5px solid var(--gold);background:#fff;border-radius:12px;margin-top:8px;padding:10px 12px}.ioe-compare-pair{grid-template-columns:repeat(2,minmax(0,1fr));align-items:end;gap:12px;display:grid}.ioe-measure{border:1px solid var(--line);background:#fff;border-radius:16px;flex-direction:column;align-items:center;gap:8px;margin:0;padding:12px;display:flex}.ioe-measure figcaption{text-align:center;flex-direction:column;align-items:center;display:flex}.ioe-measure-value{font-size:1.1rem;font-weight:800}.ioe-area{gap:2px;display:grid}.ioe-area i{opacity:.9;border-radius:3px;width:24px;height:24px}.ioe-tower{flex-direction:column-reverse;gap:2px;display:flex}.ioe-tower i{border-radius:3px;width:48px;height:14px;box-shadow:inset 0 -3px #0002}.ioe-thermo{flex-direction:column;align-items:center;display:flex}.ioe-thermo-tube{background:#fff;border:3px solid #b9c0cb;border-bottom:0;border-radius:10px 10px 0 0;align-items:flex-end;width:18px;height:130px;display:flex;overflow:hidden}.ioe-thermo-tube span{width:100%}.ioe-thermo-bulb{border:3px solid #b9c0cb;border-radius:50%;width:34px;height:34px;margin-top:-4px}.ioe-sentence{margin:14px 0 4px;font-size:1.2rem;font-weight:700;line-height:2.2}.ioe-blank{border:2px dashed var(--teal);min-width:96px;font:inherit;cursor:pointer;background:#fff;border-radius:10px;margin:0 6px;padding:2px 12px}.ioe-blank.filled{color:#1b7a38;border-style:solid;border-color:#2fa84f}.ioe-word{font-size:1.1rem;font-weight:800}.ioe-hub-hero{background:linear-gradient(135deg,#0f3d45,var(--teal));color:#fff;border-radius:24px;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);align-items:center;gap:20px;padding:20px;display:grid}.ioe-hub-copy h1{margin:6px 0;font-size:clamp(1.6rem,4vw,2.4rem)}.ioe-hub-copy .esl-subtitle{color:#d6f1f2}.ioe-collage{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.ioe-collage img{aspect-ratio:3/2;object-fit:cover;border-radius:14px;width:100%;height:auto}.ioe-section-title{margin:26px 0 10px;font-size:1.3rem}.ioe-lesson-cards{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;display:grid}.ioe-lesson-card{border:1px solid var(--line);color:inherit;background:#fff;border-radius:18px;flex-direction:column;text-decoration:none;display:flex;overflow:hidden}.ioe-lesson-card:hover{box-shadow:0 8px 22px #0f3d4522}.ioe-lesson-pic{aspect-ratio:3/2;background:linear-gradient(135deg,#fde7cf,#dbe3fb);place-items:center;font-size:3.2rem;display:grid}.ioe-lesson-pic img{object-fit:cover;width:100%;height:100%}.ioe-lesson-text{flex-direction:column;gap:4px;padding:12px 14px 14px;display:flex}.ioe-lesson-text strong{font-size:1.15rem}.ioe-lesson-text em{color:var(--teal);font-style:normal;font-weight:700}.ioe-review{border:1px solid var(--line);background:#fff;border-radius:20px;padding:16px}.ioe-review h3{margin:14px 0 8px}.ioe-subjects{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;display:grid}.ioe-subject,.ioe-length,.ioe-mode{border:2px solid var(--line);background:var(--cream);text-align:left;cursor:pointer;color:var(--ink);border-radius:14px;padding:10px}.ioe-subject{flex-direction:column;gap:2px;display:flex}.ioe-subject.on,.ioe-length.on{border-color:var(--teal);box-shadow:0 0 0 3px color-mix(in srgb,var(--teal)18%,transparent);background:#fff}.ioe-subject:not(.on){opacity:.6}.ioe-lengths{flex-wrap:wrap;gap:8px;display:flex}.ioe-modes{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;display:grid}.ioe-mode{flex-direction:column;gap:4px;display:flex}.ioe-mode span{font-size:1.6rem}.ioe-mode:disabled{opacity:.5;cursor:not-allowed}.ioe-review-top{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px;display:flex}.ioe-review-top .esl-progress-track{flex:1;min-width:120px}.ioe-review-tag{color:#556;margin:0 0 6px;font-size:.9rem}.ioe-review-result{text-align:center;padding:10px}.ioe-review-wrong{gap:10px;padding:0;list-style:none;display:grid}.ioe-review-wrong li{background:var(--cream);border-left:5px solid var(--gold);border-radius:12px;padding:10px 12px}.ioe-review-wrong p{margin:2px 0}.ioe-review-actions{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.ioe-sets{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin-bottom:14px;display:grid}.ioe-set{border:2px solid var(--line);background:var(--cream);text-align:left;cursor:pointer;color:var(--ink);border-radius:14px;flex-direction:column;gap:2px;padding:10px 12px;display:flex}.ioe-set strong{font-size:1.05rem}.ioe-set[aria-selected=true]{border-color:var(--teal);box-shadow:0 0 0 3px color-mix(in srgb,var(--teal)18%,transparent);background:#fff}.ioe-set:focus-visible{outline:3px solid var(--teal);outline-offset:2px}.ioe-review .sci-choices{grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr))}.ioe-review .sci-choice>span:not(.sci-choice-key){overflow-wrap:break-word;min-width:0}@media (max-width:380px){.ioe-review .sci-choice{gap:8px;padding:8px 10px;font-size:16px}}.ioe-review-picture{border:2px dashed var(--line);background:var(--cream);border-radius:10px;margin:0 0 8px;padding:8px 12px}.ioe-review-note{border-left:5px solid var(--gold);color:#3d2a00;background:#fff7e0;border-radius:10px;margin:8px 0 0;padding:8px 12px}.ioe-exam-more{background:var(--cream);border-radius:12px;margin:12px 0 0;padding:10px 12px}.ioe-exam-more ul{margin:6px 0 0;padding-left:1.2rem}@media (max-width:760px){.ioe-hub-hero{grid-template-columns:1fr;padding:14px}.ioe-take-grid,.ioe-day-strip,.ioe-shelf{grid-template-columns:1fr}.ioe-place-grid{grid-template-columns:5.5rem repeat(3,minmax(0,1fr))!important}.ioe-sentence{font-size:1.05rem}.ioe-trays-row{flex-direction:column}.ioe-cart{width:100%;min-width:0}}@media (prefers-reduced-motion:reduce){.ioe-lesson-card:hover{box-shadow:none}}