.practice{margin:18px 0 4px;border:1px solid color-mix(in srgb,var(--accent) 30%,var(--border));border-radius:16px;background:color-mix(in srgb,var(--accent) 5%,var(--bg-elev));padding:20px}.pr-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.pr-progress{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.02em}.pr-score{font-size:15px;font-weight:700;color:var(--accent)}.pr-visual{text-align:center;min-height:0}.pr-visual:not(:empty){margin-bottom:14px}.pr-visual .pr-emoji{font-size:clamp(1.8rem,6vw,2.6rem);line-height:1.5;letter-spacing:6px;word-break:break-all}.pr-visual .pr-big{font-family:var(--serif);font-size:clamp(2.6rem,11vw,4.4rem);font-weight:600;color:var(--fg-strong);line-height:1.1;overflow-wrap:anywhere;max-width:100%}.pr-visual canvas{max-width:100%;height:auto}.pr-q{font-size:clamp(1.05rem,3.4vw,1.35rem);font-weight:600;color:var(--fg-strong);text-align:center;margin:0 0 16px;line-height:1.5;white-space:pre-line}.pr-choices{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}@media(max-width:360px){.pr-choices{grid-template-columns:1fr}}.pr-choice{font-family:inherit;font-size:clamp(1rem,3.2vw,1.15rem);font-weight:600;overflow-wrap:anywhere;min-width:0;padding:16px 12px;min-height:60px;border:2px solid var(--border);border-radius:12px;background:var(--bg-elev);color:var(--fg-strong);cursor:pointer;transition:transform .1s ease,border-color .15s ease,background .15s ease}.pr-choice:hover:not(:disabled){border-color:var(--accent);transform:translateY(-2px)}.pr-choice:disabled{cursor:default;opacity:.55}.pr-choice.right{border-color:#2fa36b;background:color-mix(in srgb,#2fa36b 18%,var(--bg-elev));opacity:1}.pr-choice.wrong{border-color:#d0555b;background:color-mix(in srgb,#d0555b 14%,var(--bg-elev));opacity:1}.pr-feedback{text-align:center;min-height:28px;margin:14px 0 0;font-weight:600;font-size:1.02rem}.pr-feedback.good{color:#2fa36b}.pr-feedback.bad{color:#d0555b}.pr-feedback.done{color:var(--accent);font-size:1.1rem}.pr-foot{display:flex;justify-content:center;margin-top:12px}.pr-btn{font-family:inherit;font-size:14px;font-weight:600;cursor:pointer;padding:9px 18px;border-radius:999px;background:var(--accent);color:var(--accent-ink);border:1px solid transparent}.pr-btn.ghost{background:transparent;color:var(--muted);border-color:var(--border)}.pr-btn.ghost:hover{color:var(--fg-strong);border-color:var(--accent)}.pr-diary-lead{margin:0 0 14px;color:var(--muted);font-size:.95rem}.pr-diary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.pr-diary-grid label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--muted)}.pr-diary-grid select,.pr-diary-grid input{font-family:inherit;font-size:15px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--bg-elev);color:var(--fg-strong)}.pr-diary-out{margin:16px 0 0;padding:16px;min-height:40px;border:1px dashed color-mix(in srgb,var(--accent) 45%,var(--border));border-radius:12px;font-size:1.08rem;line-height:2;color:var(--fg-strong);white-space:pre-line}.pr-diary-out:empty{display:none}.pr-diary-actions{display:flex;gap:10px;justify-content:center;margin-top:14px}@media(max-width:480px){.practice{padding:16px 14px}.pr-choices{grid-template-columns:1fr}}.subj-hero[data-astro-cid-nbgnqxw5]{padding:40px 0 10px}.back[data-astro-cid-nbgnqxw5]{display:inline-block;font-size:14px;color:var(--muted);margin-bottom:20px}.back[data-astro-cid-nbgnqxw5]:hover{color:var(--accent)}.subj-hero[data-astro-cid-nbgnqxw5] h1[data-astro-cid-nbgnqxw5]{font-family:var(--serif);font-weight:600;font-size:clamp(2rem,5.4vw,3rem);color:var(--fg-strong);margin:0 0 12px;letter-spacing:-.01em}.h-emoji[data-astro-cid-nbgnqxw5]{font-family:var(--sans)}.subj-tag[data-astro-cid-nbgnqxw5]{font-size:1.15rem;color:var(--fg);margin:0 0 20px;max-width:var(--readw)}.subj-intro[data-astro-cid-nbgnqxw5]{color:var(--muted);max-width:var(--readw);margin:0 0 12px}.subj-meta[data-astro-cid-nbgnqxw5]{color:var(--faint);font-size:13.5px;margin:18px 0 0}.stars-inline[data-astro-cid-nbgnqxw5] strong[data-astro-cid-nbgnqxw5]{color:var(--accent)}.toc[data-astro-cid-nbgnqxw5]{margin-top:26px;display:flex;flex-wrap:wrap;gap:26px}.toc-group[data-astro-cid-nbgnqxw5]{flex:1 1 210px;min-width:0}.toc-term[data-astro-cid-nbgnqxw5]{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.12em;color:hsl(var(--card-hue) 55% 55%);border:1px solid hsl(var(--card-hue) 55% 55% / .4);border-radius:999px;padding:2px 10px;margin-bottom:10px}.toc[data-astro-cid-nbgnqxw5] ul[data-astro-cid-nbgnqxw5]{list-style:none;margin:0;padding:0}.toc[data-astro-cid-nbgnqxw5] li[data-astro-cid-nbgnqxw5]{margin-bottom:5px}.toc[data-astro-cid-nbgnqxw5] a[data-astro-cid-nbgnqxw5]{color:var(--muted);font-size:15px}.toc[data-astro-cid-nbgnqxw5] a[data-astro-cid-nbgnqxw5]:hover{color:var(--accent)}.unit[data-astro-cid-nbgnqxw5]{padding:46px 0 0}.topic[data-astro-cid-nbgnqxw5]{padding:30px 0 40px;border-top:1px solid var(--border-soft);scroll-margin-top:80px}.topic[data-astro-cid-nbgnqxw5]:first-of-type{border-top:none}.topic[data-astro-cid-nbgnqxw5] h2[data-astro-cid-nbgnqxw5]{font-family:var(--serif);font-size:clamp(1.4rem,4vw,1.9rem);color:var(--fg-strong);margin:0 0 18px}.goal[data-astro-cid-nbgnqxw5]{display:flex;flex-wrap:wrap;gap:4px 14px;align-items:baseline;padding:14px 18px;border-radius:12px;background:color-mix(in srgb,var(--accent) 7%,transparent);border:1px solid color-mix(in srgb,var(--accent) 22%,var(--border));margin-bottom:18px}.goal-label[data-astro-cid-nbgnqxw5]{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--accent);flex:none}.goal[data-astro-cid-nbgnqxw5] p[data-astro-cid-nbgnqxw5]{margin:0;color:var(--fg-strong);font-size:1.02rem;font-weight:500}.points[data-astro-cid-nbgnqxw5]{margin-bottom:24px}.points-label[data-astro-cid-nbgnqxw5]{font-size:12px;letter-spacing:.1em;font-weight:700;color:var(--faint);margin:0 0 6px;text-transform:uppercase}.points[data-astro-cid-nbgnqxw5] ul[data-astro-cid-nbgnqxw5]{margin:0;padding-left:20px;color:var(--muted);max-width:var(--readw)}.points[data-astro-cid-nbgnqxw5] li[data-astro-cid-nbgnqxw5]{margin-bottom:6px}.block-label[data-astro-cid-nbgnqxw5]{font-size:12px;letter-spacing:.1em;font-weight:700;color:var(--faint);margin:0 0 10px;text-transform:uppercase}.vids[data-astro-cid-nbgnqxw5]{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin-bottom:26px}.vid[data-astro-cid-nbgnqxw5]{display:flex;flex-direction:column;color:inherit;overflow:hidden;border:1px solid var(--border);border-radius:12px;background:var(--bg-elev);transition:transform .15s ease,border-color .15s ease}.vid[data-astro-cid-nbgnqxw5]:hover{transform:translateY(-2px);border-color:var(--accent);color:inherit}.vid-thumb[data-astro-cid-nbgnqxw5]{position:relative;display:block;aspect-ratio:16 / 9;background:#10141b;overflow:hidden}.vid-thumb[data-astro-cid-nbgnqxw5] img[data-astro-cid-nbgnqxw5]{width:100%;height:100%;object-fit:cover;display:block}.vid-play[data-astro-cid-nbgnqxw5]{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:34px;color:#fff;text-shadow:0 2px 12px rgba(0,0,0,.65);background:#080a1238;opacity:.9;transition:opacity .2s ease}.vid[data-astro-cid-nbgnqxw5]:hover .vid-play[data-astro-cid-nbgnqxw5]{opacity:1;background:#080a1259}.vid-len[data-astro-cid-nbgnqxw5]{position:absolute;right:6px;bottom:6px;font-size:11px;font-weight:600;color:#fff;background:#000000b8;padding:1px 6px;border-radius:4px}.vid-body[data-astro-cid-nbgnqxw5]{padding:12px 14px 14px;display:flex;flex-direction:column;gap:4px}.vid-title[data-astro-cid-nbgnqxw5]{font-size:.98rem;color:var(--fg-strong);font-weight:600;line-height:1.4}.vid-ch[data-astro-cid-nbgnqxw5]{font-size:12.5px;color:var(--faint)}.subj-next[data-astro-cid-nbgnqxw5]{padding:20px 0 90px}.next-grid[data-astro-cid-nbgnqxw5]{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.next-card[data-astro-cid-nbgnqxw5]{display:flex;gap:12px;align-items:center;color:inherit;padding:16px 18px;border-radius:14px;border:1px solid var(--border);background:linear-gradient(160deg,hsl(var(--card-hue) 60% 50% / .1),transparent 70%),var(--bg-elev);transition:transform .15s ease,border-color .15s ease}.next-card[data-astro-cid-nbgnqxw5]:hover{transform:translateY(-2px);border-color:hsl(var(--card-hue) 60% 50% / .55);color:inherit}.next-emoji[data-astro-cid-nbgnqxw5]{font-size:1.7rem}.next-card[data-astro-cid-nbgnqxw5] strong[data-astro-cid-nbgnqxw5]{display:block;font-family:var(--serif);font-size:1.1rem;color:var(--fg-strong)}.next-tag[data-astro-cid-nbgnqxw5]{display:block;font-size:12.5px;color:var(--muted);margin-top:2px}