.exercise-page[data-astro-cid-tna2kaem]{min-height:calc(100vh - 133px)}.screen[data-astro-cid-tna2kaem]{display:none}.screen[data-astro-cid-tna2kaem].active{display:flex;flex-direction:column}#screen-intro[data-astro-cid-tna2kaem].active{display:block}#screen-result[data-astro-cid-tna2kaem].active{align-items:center;justify-content:center;min-height:calc(100vh - 133px)}#screen-game[data-astro-cid-tna2kaem].active{position:relative}.intro-wrap[data-astro-cid-tna2kaem]{max-width:520px;margin:0 auto;padding:40px 24px 80px}.back-link[data-astro-cid-tna2kaem]{display:inline-block;color:var(--text2);text-decoration:none;font-size:.875rem;margin-bottom:32px;transition:color .15s}.back-link[data-astro-cid-tna2kaem]:hover{color:var(--text)}.intro-badge[data-astro-cid-tna2kaem]{display:flex;align-items:center;gap:10px;margin-bottom:16px}.badge-tag[data-astro-cid-tna2kaem]{font-family:DM Mono,monospace;font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);background:var(--accent-dim);padding:3px 10px;border-radius:100px}.badge-dur[data-astro-cid-tna2kaem]{font-family:DM Mono,monospace;font-size:.75rem;color:var(--text2)}h1[data-astro-cid-tna2kaem]{font-family:Syne,sans-serif;font-size:clamp(1.9rem,5vw,2.8rem);font-weight:900;letter-spacing:-.03em;margin-bottom:12px;color:var(--text)}.intro-sub[data-astro-cid-tna2kaem]{color:var(--text2);font-size:.95rem;line-height:1.7;margin-bottom:28px}.intro-sub[data-astro-cid-tna2kaem] em[data-astro-cid-tna2kaem]{font-style:normal;color:var(--text);font-weight:600}.demo-box[data-astro-cid-tna2kaem]{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:24px;margin-bottom:28px}.demo-label[data-astro-cid-tna2kaem]{font-family:DM Mono,monospace;font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text2);margin-bottom:16px}.demo-steps[data-astro-cid-tna2kaem]{display:flex;flex-direction:column;gap:12px;margin-bottom:12px}.demo-step[data-astro-cid-tna2kaem]{display:flex;align-items:flex-start;gap:12px}.step-num[data-astro-cid-tna2kaem]{width:24px;height:24px;border-radius:50%;background:var(--accent);color:#fff;font-family:DM Mono,monospace;font-size:.75rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}.demo-step[data-astro-cid-tna2kaem] p[data-astro-cid-tna2kaem]{font-size:.88rem;color:var(--text2);line-height:1.5;margin-top:2px}.demo-caption[data-astro-cid-tna2kaem]{font-size:.82rem;color:var(--text2);line-height:1.55}.btn-start-large[data-astro-cid-tna2kaem]{width:100%;padding:16px;font-size:1rem;justify-content:center}#screen-countdown[data-astro-cid-tna2kaem].active{align-items:center;justify-content:center;min-height:calc(100vh - 133px)}.countdown-wrap[data-astro-cid-tna2kaem]{text-align:center}.countdown-num[data-astro-cid-tna2kaem]{font-family:Syne,sans-serif;font-size:9rem;font-weight:900;line-height:1;color:var(--text);letter-spacing:-.04em}.countdown-num[data-astro-cid-tna2kaem].pop{animation:cpop .35s cubic-bezier(.16,1,.3,1)}@keyframes cpop{0%{transform:scale(1.6);opacity:.3}to{transform:scale(1);opacity:1}}.countdown-hint[data-astro-cid-tna2kaem]{font-family:DM Mono,monospace;font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--text2);margin-top:12px}.game-wrap[data-astro-cid-tna2kaem]{max-width:480px;margin:0 auto;width:100%;padding:20px 20px 48px;display:flex;flex-direction:column;align-items:center;gap:16px}.game-header[data-astro-cid-tna2kaem]{width:100%;display:flex;align-items:flex-start;justify-content:space-between}.level-side[data-astro-cid-tna2kaem]{display:flex;flex-direction:column;gap:4px}.level-lbl[data-astro-cid-tna2kaem]{font-family:DM Mono,monospace;font-size:.72rem;color:var(--text2)}.opt-lbl[data-astro-cid-tna2kaem]{font-family:DM Mono,monospace;font-size:.7rem;color:var(--text2)}.opt-lbl[data-astro-cid-tna2kaem] strong[data-astro-cid-tna2kaem]{color:var(--accent)}.target-side[data-astro-cid-tna2kaem]{display:flex;flex-direction:column;align-items:center;gap:4px}.target-title[data-astro-cid-tna2kaem]{font-family:DM Mono,monospace;font-size:.6rem;text-transform:uppercase;letter-spacing:.12em;color:var(--accent)}.mini-board[data-astro-cid-tna2kaem]{display:flex;gap:6px;align-items:flex-end;background:var(--bg2);border:1px solid var(--border);border-radius:10px;padding:8px 10px 6px}.mini-peg[data-astro-cid-tna2kaem]{display:flex;flex-direction:column-reverse;align-items:center;justify-content:flex-start;height:72px;width:30px;position:relative}.mini-peg[data-astro-cid-tna2kaem]:before{content:"";position:absolute;bottom:0;width:4px;height:100%;background:var(--border);border-radius:2px}.mini-peg[data-astro-cid-tna2kaem]:after{content:"";position:absolute;bottom:-4px;width:28px;height:4px;background:var(--border);border-radius:2px}.held-bar[data-astro-cid-tna2kaem]{display:none;align-items:center;gap:12px;background:var(--bg2);border:1.5px solid var(--border2);border-radius:14px;padding:10px 18px;width:100%;max-width:380px}.held-bar[data-astro-cid-tna2kaem].visible{display:flex;animation:slideDown .2s ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.held-hint[data-astro-cid-tna2kaem]{font-family:DM Mono,monospace;font-size:.72rem;color:var(--text2)}.main-board[data-astro-cid-tna2kaem]{display:flex;gap:20px;align-items:flex-end;padding:20px 24px 0;background:var(--bg2);border:1px solid var(--border);border-radius:20px}.peg-col[data-astro-cid-tna2kaem]{display:flex;flex-direction:column;align-items:center;width:90px;cursor:pointer;position:relative;transition:transform .12s}.peg-col[data-astro-cid-tna2kaem]:hover{transform:translateY(-2px)}.peg-balls[data-astro-cid-tna2kaem]{display:flex;flex-direction:column-reverse;align-items:center;justify-content:flex-start;height:180px;width:70px;position:relative;z-index:1;gap:4px}.peg-rod[data-astro-cid-tna2kaem]{width:8px;height:180px;background:var(--border);border-radius:4px 4px 0 0;margin-top:-180px;pointer-events:none}.peg-base[data-astro-cid-tna2kaem]{width:80px;height:8px;background:var(--border);border-radius:4px;margin-top:0}.peg-col[data-astro-cid-tna2kaem].peg-source .peg-base[data-astro-cid-tna2kaem]{background:var(--accent)}.peg-col[data-astro-cid-tna2kaem].peg-source .peg-rod[data-astro-cid-tna2kaem]{background:var(--border2)}.peg-col[data-astro-cid-tna2kaem].peg-droppable .peg-base[data-astro-cid-tna2kaem]{background:#00a89666}.peg-col[data-astro-cid-tna2kaem].peg-droppable:hover .peg-base[data-astro-cid-tna2kaem]{background:var(--accent)}.ball{width:52px;height:52px;border-radius:50%;box-shadow:inset -3px -3px 8px #00000040,0 4px 12px #00000026;position:relative;z-index:2;flex-shrink:0;transition:transform .12s}.ball-top{cursor:pointer}.ball-top:hover{transform:scale(1.08)}.ball-red{background:radial-gradient(circle at 32% 32%,#fca5a5,#dc2626)}.ball-green{background:radial-gradient(circle at 32% 32%,#86efac,#16a34a)}.ball-blue{background:radial-gradient(circle at 32% 32%,#93c5fd,#2563eb)}.mini-ball{width:22px;height:22px;border-radius:50%;box-shadow:inset -2px -2px 4px #0003;flex-shrink:0;position:relative;z-index:2}.mini-ball-red{background:radial-gradient(circle at 32% 32%,#fca5a5,#dc2626)}.mini-ball-green{background:radial-gradient(circle at 32% 32%,#86efac,#16a34a)}.mini-ball-blue{background:radial-gradient(circle at 32% 32%,#93c5fd,#2563eb)}.held-ball[data-astro-cid-tna2kaem]{width:36px;height:36px;border-radius:50%;box-shadow:inset -2px -2px 6px #0003,0 3px 10px #00000026;flex-shrink:0}.moves-row[data-astro-cid-tna2kaem]{display:flex;align-items:center;gap:16px}.moves-count[data-astro-cid-tna2kaem]{font-family:DM Mono,monospace;font-size:.9rem;color:var(--text2)}.moves-count[data-astro-cid-tna2kaem] strong[data-astro-cid-tna2kaem]{color:var(--text);font-size:1.1rem}.moves-status[data-astro-cid-tna2kaem]{font-family:DM Mono,monospace;font-size:.75rem;color:var(--accent)}.level-overlay[data-astro-cid-tna2kaem]{position:absolute;inset:0;background:var(--bg);z-index:50;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;opacity:0;pointer-events:none;transition:opacity .25s}.level-overlay[data-astro-cid-tna2kaem].visible{opacity:1;pointer-events:all}.level-ok-icon[data-astro-cid-tna2kaem]{font-size:4rem;color:var(--accent);animation:popIn .4s cubic-bezier(.16,1,.3,1)}@keyframes popIn{0%{transform:scale(0)}to{transform:scale(1)}}.level-ok-text[data-astro-cid-tna2kaem]{font-family:Syne,sans-serif;font-size:1.5rem;font-weight:900;color:var(--text)}.level-ok-moves[data-astro-cid-tna2kaem]{font-family:DM Mono,monospace;font-size:.8rem;color:var(--text2)}.result-wrap[data-astro-cid-tna2kaem]{max-width:480px;width:100%;padding:48px 24px 64px;display:flex;flex-direction:column;align-items:center;gap:20px;text-align:center}.result-icon[data-astro-cid-tna2kaem]{font-size:3.5rem}h2[data-astro-cid-tna2kaem]{font-family:Syne,sans-serif;font-size:1.9rem;font-weight:900;letter-spacing:-.02em}.result-stats[data-astro-cid-tna2kaem]{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;width:100%}.rstat[data-astro-cid-tna2kaem]{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:14px 8px;display:flex;flex-direction:column;align-items:center;gap:5px}.rstat-val[data-astro-cid-tna2kaem]{font-family:DM Mono,monospace;font-size:1.2rem;font-weight:600;line-height:1}.rstat[data-astro-cid-tna2kaem].accent{background:var(--accent-dim);border-color:var(--border2)}.rstat[data-astro-cid-tna2kaem].accent .rstat-val[data-astro-cid-tna2kaem],.rstat[data-astro-cid-tna2kaem].green .rstat-val[data-astro-cid-tna2kaem]{color:var(--accent)}.rstat-lbl[data-astro-cid-tna2kaem]{font-family:DM Mono,monospace;font-size:.56rem;color:var(--text2);text-transform:uppercase;letter-spacing:.06em;text-align:center}.breakdown-wrap[data-astro-cid-tna2kaem]{width:100%;background:var(--bg2);border:1px solid var(--border);border-radius:14px;padding:18px 20px}.breakdown-lbl[data-astro-cid-tna2kaem]{font-family:DM Mono,monospace;font-size:.65rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text2);margin-bottom:12px;text-align:left}.bd-row{display:grid;grid-template-columns:44px 1fr 40px;align-items:center;gap:8px;margin-bottom:8px}.bd-row:last-child{margin-bottom:0}.bd-lv{font-family:DM Mono,monospace;font-size:.7rem;color:var(--text2)}.bd-bar-track{height:8px;background:var(--bg3);border-radius:100px;overflow:hidden}.bd-bar-fill{height:100%;background:var(--accent);border-radius:100px;transition:width .5s ease}.bd-val{font-family:DM Mono,monospace;font-size:.7rem;color:var(--text);text-align:right}.result-insight[data-astro-cid-tna2kaem]{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:16px 20px;font-size:.9rem;color:var(--text2);line-height:1.65;text-align:left;width:100%}.result-insight[data-astro-cid-tna2kaem] strong[data-astro-cid-tna2kaem]{color:var(--text)}.result-actions[data-astro-cid-tna2kaem]{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}@media(max-width:480px){.result-stats[data-astro-cid-tna2kaem]{grid-template-columns:repeat(2,1fr)}.main-board[data-astro-cid-tna2kaem]{gap:12px;padding:16px 12px 0}.peg-col[data-astro-cid-tna2kaem]{width:72px}.peg-balls[data-astro-cid-tna2kaem]{width:56px}.ball{width:44px;height:44px}}