.practice[data-v-b3abed64]{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:1.4rem 1.5rem;box-shadow:var(--shadow-card);scroll-margin-top:5rem}.practice-fieldset[data-v-b3abed64]{margin:0;padding:0;border:0;min-width:0}.practice-stem[data-v-b3abed64]{padding:0;font-size:1.05rem;font-weight:700;line-height:1.45}.practice-number[data-v-b3abed64]{display:block;margin-bottom:.3rem;font-size:.74rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--color-text-faint)}.practice-hint[data-v-b3abed64]{margin:.5rem 0 .9rem;font-size:.88rem;color:var(--color-text-muted)}.practice-options[data-v-b3abed64]{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}.practice-option[data-v-b3abed64]{position:relative;display:flex;gap:.75rem;align-items:flex-start;padding:.75rem .9rem;border:1.5px solid var(--color-border);border-radius:.75rem;font-size:.95rem;line-height:1.45;cursor:pointer}.practice-option[data-v-b3abed64]:hover{border-color:var(--color-border-strong);background:var(--color-surface-alt)}.practice-fieldset:disabled .practice-option[data-v-b3abed64]{cursor:default}.practice-fieldset:disabled .practice-option[data-v-b3abed64]:hover{background:transparent}.practice-option[data-v-b3abed64]:has(input:checked){border-color:var(--color-accent)}.practice-option[data-v-b3abed64]:has(input:focus-visible){outline:2px solid var(--color-accent);outline-offset:2px}.practice-option input[data-v-b3abed64]{position:absolute;opacity:0;width:1px;height:1px}.practice-option.right[data-v-b3abed64]{background:color-mix(in srgb,var(--color-correct) 12%,var(--color-surface));border-color:var(--color-correct)}.practice-option.wrong[data-v-b3abed64]{background:color-mix(in srgb,var(--color-incorrect) 10%,var(--color-surface));border-color:var(--color-incorrect)}.practice-mark[data-v-b3abed64]{flex-shrink:0;width:1.6rem;height:1.6rem;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:800;background:var(--color-surface-sage);color:var(--color-accent-text)}.practice-option:has(input:checked) .practice-mark[data-v-b3abed64]{background:var(--color-accent);color:#fff}.practice-option.right .practice-mark[data-v-b3abed64]{background:var(--color-correct);color:#fff}.practice-option.wrong .practice-mark[data-v-b3abed64]{background:var(--color-incorrect);color:#fff}.practice-actions[data-v-b3abed64]{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem 1.25rem;margin-top:1rem}.practice-check[data-v-b3abed64]{font:inherit;font-weight:700;color:#fff;background:var(--color-accent);border:0;border-radius:var(--radius-button);padding:.6rem 1.15rem;cursor:pointer}.practice-check[data-v-b3abed64]:disabled{opacity:.5;cursor:not-allowed}.practice-verdict[data-v-b3abed64]{margin:0;font-weight:800}.practice-verdict.right[data-v-b3abed64]{color:var(--color-correct)}.practice-verdict.wrong[data-v-b3abed64]{color:var(--color-incorrect)}.practice-retry[data-v-b3abed64]{font:inherit;font-weight:700;font-size:.9rem;background:none;border:1.5px solid var(--color-border-strong);border-radius:var(--radius-button);padding:.45rem .95rem;cursor:pointer;color:var(--color-text)}.practice-solution[data-v-b3abed64]{margin-top:1rem;border-top:1px solid var(--color-border);padding-top:.8rem}.practice-solution summary[data-v-b3abed64]{font-weight:700;color:var(--color-accent-text);cursor:pointer}.practice-answer[data-v-b3abed64]{margin:.8rem 0 .5rem;display:grid;gap:.2rem}.practice-rationales[data-v-b3abed64]{margin:0 0 .7rem;padding-left:1.1rem;display:grid;gap:.3rem;font-size:.92rem;line-height:1.5;color:var(--color-text-muted)}.practice-rationales li.right strong[data-v-b3abed64]{color:var(--color-correct)}.practice-explanation[data-v-b3abed64]{margin:0 0 .5rem;line-height:1.6}.practice-sources[data-v-b3abed64]{margin:0;font-size:.85rem;color:var(--color-text-muted)}.practice-sources a[data-v-b3abed64]{color:var(--color-accent-text);font-weight:600}@media(max-width:40rem){.practice[data-v-b3abed64]{padding:1.1rem 1rem}}