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.option-key[data-astro-cid-iosgdrde]{background:var(--module-option-checked-letter);border-color:var(--color-text)}.option-key[data-astro-cid-iosgdrde]{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:2rem;height:2rem;border-radius:7px;border:1.5px solid color-mix(in srgb,var(--color-text) 12%,transparent);background:color-mix(in srgb,var(--color-text) 4%,transparent);font-family:var(--font-bold);font-size:var(--size-sm);transition:background .18s,color .18s,border-color .18s}.option-text[data-astro-cid-iosgdrde]{flex:1;font-family:var(--font-semi-bold);font-size:var(--size-base);line-height:1.35}.mc-error[data-astro-cid-iosgdrde]{display:flex;align-items:center;gap:.5rem;background:var(--color-error-bg);border:1.5px solid var(--color-error-border);color:var(--color-error-text);border-radius:10px;padding:.6rem 1rem;font-family:var(--font-semi-bold);font-size:var(--size-sm);animation:shake .3s ease}.mc-error[data-astro-cid-iosgdrde][hidden]{display:none}.rating-block[data-astro-cid-iosgdrde]{display:flex;flex-direction:column;gap:.75rem}.rating-label[data-astro-cid-iosgdrde]{font-family:var(--font-light);font-size:var(--size-sm);opacity:.6}.rating-row[data-astro-cid-iosgdrde]{display:flex;justify-content:space-between;flex-wrap:wrap}.rating-option[data-astro-cid-iosgdrde]{cursor:pointer}.rating-option[data-astro-cid-iosgdrde] .option-input[data-astro-cid-iosgdrde]{position:absolute;opacity:0;pointer-events:none}.rating-option[data-astro-cid-iosgdrde]:hover .rating-pip[data-astro-cid-iosgdrde]{background:color-mix(in srgb,var(--color-surface) 90%,transparent);border-color:color-mix(in srgb,var(--color-text) 25%,transparent);transform:translateY(-2px)}.rating-option[data-astro-cid-iosgdrde]:has(.option-input:checked) .rating-pip[data-astro-cid-iosgdrde]{background:var(--color-accent);border-color:color-mix(in srgb,var(--color-text) 30%,transparent);padding:.5rem .75rem;box-shadow:0 4px 10px color-mix(in srgb,var(--color-accent) 40%,transparent)}.sentence-completion-block[data-astro-cid-iosgdrde]{display:flex;flex-direction:column;gap:.75rem}.matching-block[data-astro-cid-iosgdrde]{display:flex;flex-direction:column;gap:1rem}.matching-grid[data-astro-cid-iosgdrde]{display:flex;flex-direction:column;gap:.85rem}.matching-row[data-astro-cid-iosgdrde]{display:grid;grid-template-columns:1fr 1.2fr;gap:1rem;align-items:center}.matching-prompt[data-astro-cid-iosgdrde]{display:flex;align-items:center;gap:.85rem;padding:.7rem 1rem .7rem .75rem;border:1.5px solid color-mix(in srgb,var(--color-text) 10%,transparent);border-radius:12px;background:var(--module-card-background);font-family:var(--font-semi-bold);font-size:var(--size-base);line-height:1.35}.matching-select[data-astro-cid-iosgdrde]{width:100%;padding:.75rem 1rem;font-family:var(--font-light);font-size:var(--size-base);border:2px solid color-mix(in srgb,var(--color-text) 15%,transparent);border-radius:10px;background:var(--module-card-background);color:var(--color-text);outline:none}.matching-select[data-astro-cid-iosgdrde]:hover{border-color:color-mix(in srgb,var(--color-text) 30%,transparent)}.matching-select[data-astro-cid-iosgdrde]:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-accent) 30%,transparent)}.question-check-row[data-astro-cid-iosgdrde]{display:flex;flex-direction:column;gap:.85rem;padding-top:.5rem}.answer-feedback[data-astro-cid-iosgdrde]{border-radius:12px;padding:.85rem 1rem;font-family:var(--font-semi-bold);font-size:var(--size-base);line-height:1.45;border:1.5px solid color-mix(in srgb,var(--color-text) 12%,transparent)}.answer-feedback[data-astro-cid-iosgdrde][hidden]{display:none}.answer-feedback--correct[data-astro-cid-iosgdrde]{background:var(--color-success-bg);border-color:var(--color-success-border);color:var(--color-success-text)}.answer-feedback--incorrect[data-astro-cid-iosgdrde]{background:var(--color-error-bg);border-color:var(--color-error-border);color:var(--color-error-text);padding-left:2vw}.answer-feedback--warning[data-astro-cid-iosgdrde]{background:var(--color-warning-bg);border-color:var(--color-warning-border);color:var(--color-warning-text)}.answer-feedback--example[data-astro-cid-iosgdrde]{background:var(--color-info-bg);border-color:var(--color-info-border);color:var(--color-info-text)}.answer-feedback[data-astro-cid-iosgdrde] p[data-astro-cid-iosgdrde]{margin:.35rem 0 0}.answer-feedback[data-astro-cid-iosgdrde] ul[data-astro-cid-iosgdrde]{list-style:none;margin:.35rem 0 0;padding-left:0}.correct-answer-list[data-astro-cid-iosgdrde]{display:flex;flex-direction:column;gap:.45rem;margin-top:.5rem}.correct-answer-row[data-astro-cid-iosgdrde]{border:1.5px solid currentColor;border-radius:10px;padding:.55rem .75rem;background:color-mix(in srgb,var(--color-surface) 55%,transparent)}.option-label[data-astro-cid-iosgdrde].option-label--correct{border-color:#2fbf7f!important;background:var(--module-right-correct)!important;box-shadow:0 0 0 2px #2fbf7f40!important}.option-label[data-astro-cid-iosgdrde].option-label--incorrect{border-color:#ff6631!important;background:var(--module-wrong-error)!important;box-shadow:0 0 0 2px #ff663140!important}.option-label[data-astro-cid-iosgdrde].option-label--correct .option-key[data-astro-cid-iosgdrde]{background:var(--color-success-border)!important;color:#fff!important;border-color:var(--color-success-border)!important}.option-label[data-astro-cid-iosgdrde].option-label--incorrect .option-key[data-astro-cid-iosgdrde]{background:var(--color-error-border)!important;color:#fff!important;border-color:var(--color-error-border)!important}.matching-prompt[data-astro-cid-iosgdrde].matching-prompt--correct,.matching-select[data-astro-cid-iosgdrde].matching-select--correct{border-color:#2fbf7f!important;background:var(--module-right-correct)!important;box-shadow:0 0 0 2px #2fbf7f40!important}.matching-prompt[data-astro-cid-iosgdrde].matching-prompt--incorrect,.matching-select[data-astro-cid-iosgdrde].matching-select--incorrect{border-color:#ff6631!important;background:var(--module-wrong-error)!important;box-shadow:0 0 0 2px #ff663140!important}.matching-select[data-astro-cid-iosgdrde] option[data-astro-cid-iosgdrde]{background-color:var(--select-dropdown)}.matching-prompt[data-astro-cid-iosgdrde].matching-prompt--correct .option-key[data-astro-cid-iosgdrde]{background:#2fbf7f!important;color:#fff!important;border-color:#2fbf7f!important}.matching-prompt[data-astro-cid-iosgdrde].matching-prompt--incorrect .option-key[data-astro-cid-iosgdrde]{background:#ff6631!important;color:#fff!important;border-color:#ff6631!important}.btn[data-astro-cid-iosgdrde]:disabled{opacity:.55;cursor:default;transform:none;box-shadow:none}.action-row[data-astro-cid-iosgdrde]{display:flex;flex-wrap:wrap;gap:.75rem;padding-top:.5rem}.btn[data-astro-cid-iosgdrde]{font-family:var(--font-bold);font-size:var(--size-base);padding:.7rem 1.5rem;border-radius:25px;text-decoration:none;display:inline-flex;align-items:center;gap:.4rem;transition:background .18s,color .18s,transform .12s,box-shadow .18s;cursor:pointer;border:none}.btn--primary[data-astro-cid-iosgdrde]{background:var(--color-accent);color:var(--color-text);border:1.5px solid color-mix(in srgb,var(--color-text) 15%,transparent)}.btn--primary[data-astro-cid-iosgdrde]:hover{background:color-mix(in srgb,var(--color-accent) 70%,black);color:#fff;box-shadow:0 4px 14px color-mix(in srgb,var(--color-accent) 50%,transparent);transform:translateY(-1px)}.btn--primary[data-astro-cid-iosgdrde]:active{transform:scale(.97)}.btn--ghost[data-astro-cid-iosgdrde]{background:transparent;color:var(--color-text);border:1.5px solid color-mix(in srgb,var(--color-text) 18%,transparent)}.btn--ghost[data-astro-cid-iosgdrde]:hover{background:color-mix(in srgb,var(--color-text) 6%,transparent);border-color:color-mix(in srgb,var(--color-text) 30%,transparent)}.btn--ghost[data-astro-cid-iosgdrde]:active{transform:scale(.97)}.bottom-nav[data-astro-cid-iosgdrde]{position:fixed;bottom:2rem;left:50%;transform:translate(-50%);width:min(66.67%,800px);display:flex;align-items:center;justify-content:space-between;gap:1rem;z-index:100;background:var(--module-card-background);backdrop-filter:blur(10px);border:1px solid color-mix(in srgb,var(--color-text) 7%,transparent);border-radius:99px;padding:.5rem .75rem}.nav-btn[data-astro-cid-iosgdrde]{font-family:var(--font-bold);font-size:var(--size-base);padding:.6rem 1.4rem;border-radius:25px;text-decoration:none;display:inline-flex;align-items:center;gap:.35rem;transition:background .18s,color .18s,transform .12s,box-shadow .18s;background:var(--color-accent);color:var(--color-text);border:1.5px solid color-mix(in srgb,var(--color-text) 12%,transparent)}.nav-btn[data-astro-cid-iosgdrde]:hover{background:color-mix(in srgb,var(--color-accent) 70%,black);color:#fff;transform:translateY(-1px);box-shadow:0 4px 14px color-mix(in srgb,var(--color-accent) 50%,transparent)}.nav-btn[data-astro-cid-iosgdrde]:active{transform:scale(.97)}.nav-btn--disabled[data-astro-cid-iosgdrde]{background:color-mix(in srgb,var(--color-text) 5%,transparent);color:color-mix(in srgb,var(--color-text) 28%,transparent);border-color:transparent;pointer-events:none;cursor:default}@media(max-width:900px){.page-shell[data-astro-cid-iosgdrde]{grid-template-columns:1fr 4fr 1fr;gap:0 1rem;padding:0 .75rem}}@media(max-width:700px){.matching-row[data-astro-cid-iosgdrde]{grid-template-columns:1fr}}@media(max-width:600px){.page-shell[data-astro-cid-iosgdrde]{grid-template-columns:1fr;padding:0 1rem}.sidebar-left[data-astro-cid-iosgdrde],.sidebar-right[data-astro-cid-iosgdrde]{display:none}.content-col[data-astro-cid-iosgdrde]{padding:3.5rem 0 7rem}.card[data-astro-cid-iosgdrde]{padding:1.5rem 1.25rem;border-radius:14px}.card-title[data-astro-cid-iosgdrde]{font-size:clamp(1.35rem,6vw,1.8rem)}.rating-pip[data-astro-cid-iosgdrde]{width:2.4rem;height:2.4rem;font-size:var(--size-sm)}.category-pill[data-astro-cid-iosgdrde]{display:none}.header-btn[data-astro-cid-iosgdrde]{font-size:var(--size-xs, .75rem);height:2rem;padding:0 .65rem;gap:.25rem}.back-button[data-astro-cid-iosgdrde]:before{font-size:var(--size-base)}.accessibility-icon[data-astro-cid-iosgdrde]{width:14px;height:14px}}@keyframes shake{0%{transform:translate(0)}25%{transform:translate(-5px)}50%{transform:translate(5px)}75%{transform:translate(-3px)}to{transform:translate(0)}}