.objectives[data-astro-cid-u6ezinca]{background:var(--surface-soft,var(--surface));border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:8px;margin:1.6rem 0;padding:1rem 1.15rem 1.1rem}.obj-h[data-astro-cid-u6ezinca]{font-family:var(--font-mono,monospace);text-transform:uppercase;letter-spacing:.18em;color:var(--accent);font-weight:600;border-top:none!important;margin:0 0 .6rem!important;padding-top:0!important;font-size:.64rem!important}.obj-list[data-astro-cid-u6ezinca]{counter-reset:obj;gap:.5rem;margin:0;padding:0;list-style:none;display:grid}.obj-item[data-astro-cid-u6ezinca]{grid-template-columns:auto 1fr;align-items:start;gap:.6rem;font-size:.95rem;line-height:1.5;display:grid}.obj-dot[data-astro-cid-u6ezinca]{border:1.5px solid var(--border);background:0 0;border-radius:50%;flex:none;width:.7rem;height:.7rem;margin-top:.35rem;transition:background .16s,border-color .16s}.obj-dot[data-astro-cid-u6ezinca][data-level=mid]{background:var(--muted);border-color:var(--muted)}.obj-dot[data-astro-cid-u6ezinca][data-level=high]{background:var(--accent);border-color:var(--accent)}.obj-text[data-astro-cid-u6ezinca] em{color:var(--accent);font-style:italic}.obj-text[data-astro-cid-u6ezinca] strong{color:var(--fg);font-weight:600}.chk[data-astro-cid-nwudtc3o]{border:1px solid var(--border);background:var(--surface);border-radius:8px;margin:1.6rem 0;padding:1rem 1.15rem 1.1rem}.chk-q[data-astro-cid-nwudtc3o]{align-items:baseline;gap:.55rem;margin:0 0 .8rem;font-weight:500;line-height:1.5;display:flex}.chk-tag[data-astro-cid-nwudtc3o]{background:var(--accent);width:1.3rem;height:1.3rem;color:var(--bg);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:.85rem;font-weight:700;display:inline-flex}.chk-opts[data-astro-cid-nwudtc3o]{gap:.5rem;margin:0;padding:0;list-style:none;display:grid}.chk-opt[data-astro-cid-nwudtc3o]{text-align:left;cursor:pointer;border:1px solid var(--border);background:var(--bg);width:100%;min-height:44px;color:var(--fg);font:inherit;border-radius:7px;grid-template-columns:auto 1fr auto;align-items:center;gap:.6rem;padding:.6rem .8rem;transition:border-color .12s,background .12s;display:grid}.chk-opt[data-astro-cid-nwudtc3o]:hover:not(:disabled){border-color:var(--accent)}.chk-opt[data-astro-cid-nwudtc3o]:disabled{cursor:default}.chk-key[data-astro-cid-nwudtc3o]{font-family:var(--font-mono,monospace);color:var(--muted);font-size:.78rem}.chk-mark[data-astro-cid-nwudtc3o]:after{content:""}.chk-opt[data-astro-cid-nwudtc3o][data-state=correct]{border-color:var(--color-success,#22c55e);background:color-mix(in oklab, var(--color-success,#22c55e) 12%, var(--bg))}.chk-opt[data-astro-cid-nwudtc3o][data-state=correct] .chk-mark[data-astro-cid-nwudtc3o]:after{content:"✓";color:var(--color-success,#22c55e);font-weight:700}.chk-opt[data-astro-cid-nwudtc3o][data-state=wrong]{border-color:var(--color-danger,#ef4444);background:color-mix(in oklab, var(--color-danger,#ef4444) 10%, var(--bg))}.chk-opt[data-astro-cid-nwudtc3o][data-state=wrong] .chk-mark[data-astro-cid-nwudtc3o]:after{content:"✕";color:var(--color-danger,#ef4444);font-weight:700}.chk-exp[data-astro-cid-nwudtc3o]{color:var(--muted);border-left:2px solid var(--border);background:var(--surface-soft,var(--surface));border-radius:0 5px 5px 0;margin:.35rem 0 .1rem;padding:.5rem .7rem;font-size:.85rem;line-height:1.55}.chk-exp[data-astro-cid-nwudtc3o] strong{color:var(--fg)}.chk-exp[data-astro-cid-nwudtc3o] em{color:var(--accent);font-style:italic}.chk-status[data-astro-cid-nwudtc3o]{margin:.8rem 0 0;font-size:.85rem;font-weight:600}.chk-status[data-astro-cid-nwudtc3o][data-kind=correct]{color:var(--color-success,#22c55e)}.chk-status[data-astro-cid-nwudtc3o][data-kind=wrong]{color:var(--color-danger,#ef4444)}.prac[data-astro-cid-x72h3kl2]{border:1px solid var(--border);background:var(--surface);border-radius:8px;margin:1.6rem 0;padding:1rem 1.15rem 1.1rem}.prac-head[data-astro-cid-x72h3kl2]{align-items:center;gap:.6rem;margin-bottom:.6rem;display:flex}.prac-tag[data-astro-cid-x72h3kl2]{font-family:var(--font-mono,monospace);text-transform:uppercase;letter-spacing:.16em;color:var(--accent);font-size:.64rem;font-weight:600}.prac-diff[data-astro-cid-x72h3kl2]{font-family:var(--font-mono,monospace);text-transform:uppercase;letter-spacing:.12em;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:.05rem .5rem;font-size:.6rem}.prac-diff[data-astro-cid-x72h3kl2][data-diff=stretch]{color:var(--accent);border-color:var(--accent)}.prac-problem[data-astro-cid-x72h3kl2] p:first-child{margin-top:0}.prac-problem[data-astro-cid-x72h3kl2] p:last-child{margin-bottom:0}.prac-sol[data-astro-cid-x72h3kl2]{border-top:1px solid var(--border);margin-top:.8rem}.prac-sol[data-astro-cid-x72h3kl2] summary[data-astro-cid-x72h3kl2]{cursor:pointer;min-height:44px;font-family:var(--font-mono,monospace);text-transform:uppercase;letter-spacing:.14em;color:var(--muted);align-items:center;gap:.5rem;padding:.55rem 0;font-size:.66rem;list-style:none;display:flex}.prac-sol[data-astro-cid-x72h3kl2] summary[data-astro-cid-x72h3kl2]::-webkit-details-marker{display:none}.prac-sol[data-astro-cid-x72h3kl2] summary[data-astro-cid-x72h3kl2]:hover{color:var(--fg)}.prac-mark[data-astro-cid-x72h3kl2]{color:var(--accent);transition:transform .16s;display:inline-block}.prac-sol[data-astro-cid-x72h3kl2][open] .prac-mark[data-astro-cid-x72h3kl2]{transform:rotate(90deg)}.prac-sol-body[data-astro-cid-x72h3kl2]{border-left:2px solid var(--accent);padding:.1rem 0 .4rem .95rem;line-height:1.65}.prac-sol-body[data-astro-cid-x72h3kl2] p:first-child{margin-top:0}.prac-rate[data-astro-cid-x72h3kl2]{border-top:1px dashed var(--border);color:var(--muted);flex-wrap:wrap;align-items:center;gap:.6rem;margin-top:.6rem;padding-top:.6rem;font-size:.85rem;display:flex}.prac-rate-btns[data-astro-cid-x72h3kl2]{gap:.5rem;display:flex}.prac-rate-btn[data-astro-cid-x72h3kl2]{border:1px solid var(--border);background:var(--bg);min-height:36px;color:var(--fg);font:inherit;cursor:pointer;border-radius:6px;padding:.3rem .8rem}.prac-rate-btn[data-astro-cid-x72h3kl2]:hover:not(:disabled){border-color:var(--accent)}.prac-rate-btn[data-astro-cid-x72h3kl2][data-state=correct]{border-color:var(--color-success,#22c55e);color:var(--color-success,#22c55e)}.prac-rate-btn[data-astro-cid-x72h3kl2][data-state=wrong]{border-color:var(--color-warning,#f97416);color:var(--color-warning,#f97416)}.prac-rate-done[data-astro-cid-x72h3kl2]{color:var(--color-success,#22c55e);font-weight:600}@media (prefers-reduced-motion:reduce){.prac-mark[data-astro-cid-x72h3kl2]{transition:none}}