@keyframes rr-screen-in{0%{opacity:0;transform:translateY(8px)}}@keyframes rr-pulse-ring{50%{box-shadow:0 0 0 8px var(--brand-soft)}}@keyframes rr-tick-warn{50%{transform:scale(1.05)}}@keyframes rr-bump{40%{color:var(--brand-text);transform:scale(1.35)}}@keyframes rr-x-in{0%{opacity:0;transform:scale(.4)}}@keyframes rr-rook-in{0%{opacity:0;transform:translateY(-30%)scale(.5)}to{opacity:1;transform:none}}@keyframes rr-shake{20%,60%{transform:translate(-8%)}40%,80%{transform:translate(8%)}}@keyframes rr-fade-in{0%{opacity:0}}@keyframes rr-hint-glow{50%{box-shadow:0 0 0 3px var(--accent), 0 0 4px 0 #fb784f4d}}@keyframes rr-flag{50%{filter:brightness(.6)saturate(1.8)}}@keyframes rr-wave{0%{filter:none}35%{filter:brightness(1.25)saturate(1.2);border-radius:10px;transform:scale(.9)}to{filter:none;transform:none}}@keyframes rr-rook-cheer{40%{transform:translateY(-18%)scale(1.25)}}@keyframes rr-sheet-in{0%{opacity:0;transform:translateY(24px)scale(.96)}}@keyframes rr-sheet-up{0%{transform:translateY(100%)}}@keyframes rr-medal{0%{opacity:0;transform:scale(.3)rotate(-25deg)}}@keyframes rr-star-pop{0%{transform:scale(0)rotate(-90deg)}}@keyframes rr-float-up{0%{opacity:0;transform:translate(-50%,-30%)scale(.6)}20%{opacity:1;transform:translate(-50%,-50%)scale(1.08)}70%{opacity:1;transform:translate(-50%,-60%)scale(1)}to{opacity:0;transform:translate(-50%,-80%)scale(1)}}@keyframes rr-goal-spin{to{transform:rotate(360deg)}}@keyframes rr-hop{50%{transform:translateY(-16%)scale(1.14)}}body[data-rr-screen=game] .site-footer,body[data-rr-screen=puzzle] .site-footer{display:none}.rr-stage{position:relative}:where(.rr) *,:where(.rr) :before,:where(.rr) :after{box-sizing:border-box;margin:0;padding:0}:where(.rr) button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0}:where(.rr) svg{flex:none;width:1em;height:1em}.rr{--g-surface:var(--surface);--g-surface-2:var(--surface-raised);--g-surface-3:color-mix(in srgb, var(--surface-raised) 84%, var(--ink));--g-ink:var(--ink);--g-ink-2:var(--ink-muted);--g-ink-3:color-mix(in srgb, var(--ink-muted) 72%, transparent);--g-line:var(--line);--g-accent:var(--brand);--g-accent-2:var(--indigo-400);--g-accent-soft:var(--brand-soft);--g-star:var(--accent);--g-danger:var(--danger);--wall:var(--indigo-950);--rook-ink:#12132c;--x-ink:#12132c80;--c-journey:var(--indigo-300);--c-zen:#9fd8c3;--c-attack:var(--krill-300);--c-survival:#f59ab5;--c-classic:var(--indigo-200);--c-swap:#d9c7a6;--c-march:#8fdad3;--c-knightrook:#a9c5f5;--sq-light:var(--indigo-50);--sq-dark:var(--indigo-300);--top:calc(var(--header-top) + var(--header-h));font-family:var(--font-sans);color:var(--g-ink);-webkit-tap-highlight-color:transparent}.rr .rr-sprite{width:0;height:0;position:absolute;overflow:hidden}[dir=rtl] .rr .flip-rtl{transform:scaleX(-1)}.rr .orca-btn{margin-bottom:var(--depth)}.rr .orca-btn svg{width:18px;height:18px}.rr .rr-block{width:100%}.rr .orca-icon-btn svg{width:18px;height:18px}.rr .screen{max-width:640px;min-height:100dvh;padding:calc(var(--top) + 10px) 16px max(env(safe-area-inset-bottom), 16px);flex-direction:column;margin:0 auto;display:none}.rr .screen.is-active{animation:rr-screen-in .35s var(--ease-out);display:flex}.rr .screen[data-screen=home],.rr .screen[data-screen=journey],.rr .screen[data-screen=classics]{min-height:0;padding-bottom:var(--space-16)}.rr .topbar{align-items:center;gap:10px;min-height:60px;display:flex}.rr .topbar-actions{gap:8px;margin-inline-start:auto;padding-bottom:4px;display:flex}.rr .topbar-spacer{width:36px}.rr .topbar>.orca-icon-btn{margin-bottom:3px}.rr .screen-title{text-align:center;font:600 1.15rem/1.3 var(--font-display);letter-spacing:-.01em;flex:1}.rr .rr-hub-head{padding:4px 0 6px}.rr .rr-brand{align-items:center;gap:12px;min-width:0;display:flex}.rr .rr-brand__mark{background:linear-gradient(145deg, var(--indigo-400), var(--brand) 50%, var(--indigo-700));color:#fff;width:46px;height:46px;box-shadow:inset 0 1px 0 #fff6, 0 4px 0 var(--brand-depth), 0 14px 26px -12px var(--brand-glow);border-radius:14px;flex:none;place-items:center;display:grid}.rr .rr-brand__mark svg{--rook-cut:#0000002e;width:28px;height:28px}.rr .rr-brand__name{font:700 clamp(1.5rem, 5vw, 1.9rem)/1.05 var(--font-display);letter-spacing:-.03em}.rr .rr-brand__tag{color:var(--g-ink-2);margin-top:4px;font-size:.85rem;font-weight:600}.rr .home{flex-direction:column;flex:1;gap:14px;padding-top:6px;display:flex}.rr .home-greeting{color:var(--g-ink-2);padding:0 4px;font-size:.95rem;font-weight:600}.rr .daily-card{text-align:start;border-radius:var(--radius-xl);background:radial-gradient(120% 140% at 100% 0%, #ffffff29, transparent 55%), linear-gradient(150deg, var(--indigo-500) 0%, var(--indigo-700) 100%);color:#f6f7ff;box-shadow:0 0 0 1px var(--glass-stroke), 0 24px 44px -20px var(--brand-glow);transition:transform .25s var(--ease-out), box-shadow .25s;grid-template-columns:1fr auto;align-items:center;gap:16px;padding:22px;display:grid;position:relative;overflow:hidden}.rr .daily-card:after{content:"";pointer-events:none;background:radial-gradient(circle at 1px 1px,#ffffff1f 1px,#0000 1.4px) 0 0/16px 16px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(90deg,#0000 20%,#000);mask-image:linear-gradient(90deg,#0000 20%,#000)}.rr .daily-card:hover{box-shadow:0 0 0 1px var(--glass-stroke), 0 30px 54px -20px var(--brand-glow);transform:translateY(-2px)}.rr .daily-card:active{transform:scale(.985)}.rr .daily-info{z-index:1;flex-direction:column;gap:6px;min-width:0;display:flex;position:relative}.rr .eyebrow{letter-spacing:.12em;text-transform:uppercase;opacity:.85;align-items:center;gap:6px;font-size:.74rem;font-weight:800;display:inline-flex}.rr .eyebrow b{opacity:.8;font-weight:800}.rr .daily-title{font:700 clamp(1.5rem, 5.6vw, 2rem)/1.08 var(--font-display);letter-spacing:-.025em}.rr .daily-sub{opacity:.85;font-size:.92rem;font-weight:600}.rr .daily-cta{color:var(--indigo-700);border-radius:var(--radius-pill);box-shadow:0 4px 0 var(--indigo-800);background:#fff;align-self:flex-start;align-items:center;gap:8px;margin-top:8px;padding:10px 18px;font-size:.95rem;font-weight:800;display:inline-flex}.rr .daily-cta.done{color:#fff;box-shadow:none;background:#ffffff29}.rr .daily-cta svg{width:16px;height:16px}.rr .daily-preview{z-index:1;position:relative}.rr .daily-preview .mini-board{width:clamp(104px,30vw,140px);transform:rotate(4deg);box-shadow:0 14px 30px -10px #00000073}.rr .streak-badge{bottom:-8px;color:var(--krill-700);border-radius:var(--radius-pill);background:#fff1ea;align-items:center;gap:4px;padding:5px 10px 5px 8px;font-size:.9rem;font-weight:800;display:inline-flex;position:absolute;inset-inline-start:-12px;box-shadow:0 6px 14px -4px #00000059}.rr .streak-badge svg{width:16px;height:16px;color:var(--krill-500)}.rr .streak-badge.cold{background:var(--indigo-50);color:var(--abyss-500)}.rr .streak-badge.cold svg{color:var(--abyss-400)}.rr .mode-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.rr .mode-card{text-align:start;border-radius:var(--radius-lg);background:var(--g-surface);border:1px solid var(--g-line);min-height:150px;box-shadow:var(--shadow-sm), 0 4px 0 color-mix(in srgb, var(--tint) 45%, var(--g-surface));transition:transform .2s var(--ease-out), border-color .2s, box-shadow .2s;flex-direction:column;align-items:flex-start;gap:4px;padding:16px;display:flex;position:relative;overflow:hidden}.rr .mode-card:before{content:"";inset-inline-end:-50px;background:var(--tint);opacity:.26;filter:blur(4px);width:140px;height:140px;transition:transform .4s var(--ease-out);border-radius:50%;position:absolute;top:-60px}.rr .mode-card:hover{border-color:color-mix(in srgb, var(--tint) 70%, transparent);transform:translateY(-2px)}.rr .mode-card:hover:before{transform:scale(1.25)}.rr .mode-card:active{box-shadow:var(--shadow-sm), 0 1px 0 color-mix(in srgb, var(--tint) 45%, var(--g-surface));transform:translateY(3px)}.rr .mode-card.wide{grid-column:span 2;grid-template-columns:auto 1fr auto;align-items:center;column-gap:14px;min-height:0;display:grid}.rr .mode-card.wide .mode-icon{grid-row:span 2;margin:0}.rr .mode-card.wide .mode-best{grid-area:1/3/span 2;margin:0}.rr .mode-card.wide .mode-name,.rr .mode-card.wide .mode-desc{grid-column:2}.rr .mode-icon{background:var(--tint);color:#12132c;border-radius:14px;place-items:center;width:44px;height:44px;margin-bottom:10px;display:grid;position:relative}.rr .mode-icon svg{width:22px;height:22px}.rr .mode-name{font:600 1.02rem/1.25 var(--font-display);letter-spacing:-.01em;position:relative}.rr .mode-desc{color:var(--g-ink-2);font-size:.84rem;font-weight:600;line-height:1.4;position:relative}.rr .mode-best{color:var(--g-ink-2);align-items:center;gap:5px;margin-top:auto;padding-top:8px;font-size:.78rem;font-weight:800;display:inline-flex;position:relative}.rr .mode-best:empty{display:none}.rr .mode-best svg{width:14px;height:14px;color:var(--g-star)}.rr .mode-progress{background:var(--g-surface-2);border-radius:99px;width:100%;height:6px;margin-top:auto;position:relative;overflow:hidden}.rr .mode-progress i{border-radius:inherit;background:var(--g-accent);width:0;height:100%;transition:width .6s var(--ease-out);display:block}.rr .section-label,.rr .field-label{text-transform:uppercase;letter-spacing:.12em;color:var(--g-ink-3);margin-top:4px;font-size:.72rem;font-weight:800}.rr .home-label{margin:0;padding:6px 4px 0}.rr .rr-talk{border-radius:var(--radius-xl);background:radial-gradient(90% 140% at 100% 0%, var(--bloom), transparent 60%), var(--footer-bg);color:var(--footer-ink);box-shadow:0 0 0 1px var(--footer-line), var(--shadow-lg);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px 20px;margin-top:10px;padding:22px;text-decoration:none;display:flex;position:relative;overflow:hidden}.rr .rr-talk__text{flex:260px;gap:6px;display:grid}.rr .rr-talk__eyebrow{color:var(--footer-muted);letter-spacing:.12em;text-transform:uppercase;font-size:.72rem;font-weight:800}.rr .rr-talk__title{font:600 1.3rem/1.25 var(--font-display);letter-spacing:-.015em}.rr .rr-talk__body{color:var(--footer-muted);font-size:.9rem;font-weight:600;line-height:1.5}.rr .rr-talk__cta{pointer-events:none}.rr .rr-talk:hover .rr-talk__cta{filter:brightness(1.06)}.rr .rr-talk:focus-visible{outline:2px solid var(--focus-ring);outline-offset:3px}.rr .mini-board{aspect-ratio:1;background:var(--wall);border-radius:10px;grid-auto-rows:minmax(0,1fr);padding:2px;display:grid;overflow:hidden}.rr .mini-board i{background:var(--c);min-width:0;min-height:0;color:var(--rook-ink);place-items:center;display:grid;position:relative}.rr .mini-board i svg{--rook-cut:transparent;width:70%;height:70%;position:absolute;inset:15%}.rr .list-screen{flex-direction:column;gap:22px;padding:6px 0 20px;display:flex}.rr .chapter{background:var(--g-surface);border:1px solid var(--g-line);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);padding:18px}.rr .chapter.locked{opacity:.55}.rr .chapter-head{align-items:center;gap:12px;margin-bottom:14px;display:flex}.rr .chapter-badge{width:46px;height:46px;font:800 .9rem/1 var(--font-sans);color:#12132c;background:var(--tint);border-radius:14px;place-items:center;display:grid}.rr .chapter-head h3{font:600 1.02rem/1.25 var(--font-display)}.rr .chapter-head p{color:var(--g-ink-2);font-size:.82rem;font-weight:600}.rr .chapter-stars{color:var(--g-ink-2);align-items:center;gap:4px;margin-inline-start:auto;font-size:.9rem;font-weight:800;display:inline-flex}.rr .chapter-stars svg{color:var(--g-star);width:16px;height:16px}.rr .level-grid{grid-template-columns:repeat(5,1fr);gap:10px;display:grid}.rr .level{aspect-ratio:1;font:800 1.1rem/1 var(--font-sans);background:var(--g-surface-2);color:var(--g-ink);transition:transform .15s var(--ease-out), background .2s;border-radius:16px;place-items:center;display:grid;position:relative}.rr .level:hover:not(:disabled){transform:translateY(-2px)}.rr .level:disabled{cursor:not-allowed;color:var(--g-ink-3)}.rr .level:disabled svg{width:16px;height:16px}.rr .level.done{background:color-mix(in srgb, var(--tint) 40%, var(--g-surface))}.rr .level.current{background:var(--g-accent);color:var(--on-brand);box-shadow:0 0 0 4px var(--g-accent-soft);animation:2s infinite rr-pulse-ring}.rr .level .stars{gap:1px;display:flex;position:absolute;bottom:5px}.rr .level .stars svg{width:9px;height:9px;color:var(--g-ink-3);opacity:.45}.rr .level .stars svg.on{color:var(--g-star);opacity:1}.rr .level.done span{transform:translateY(-4px)}.rr .classic-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;display:grid}.rr .classic-tile{background:var(--g-surface);border:1px solid var(--g-line);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);text-align:start;transition:transform .2s var(--ease-out);flex-direction:column;gap:10px;padding:12px;display:flex}.rr .classic-tile:hover{transform:translateY(-3px)}.rr .classic-tile .mini-board{width:100%}.rr .classic-meta{justify-content:space-between;align-items:center;gap:6px;font-size:.9rem;font-weight:800;display:flex}.rr .classic-meta small{color:var(--g-ink-2);font-size:.75rem;font-weight:700}.rr .classic-meta .ok{color:var(--brand-text);align-items:center;gap:3px;display:inline-flex}.rr .classic-meta .ok svg{width:14px;height:14px}.rr .game-top{gap:8px}.rr .game-heading{text-align:center;flex:1;min-width:0}.rr .game-heading h2{font:600 1.05rem/1.25 var(--font-display);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.rr .game-heading p{color:var(--g-ink-2);justify-content:center;align-items:center;gap:6px;font-size:.8rem;font-weight:700;display:flex}.rr .diff-dot{background:var(--dc,var(--g-accent));border-radius:50%;width:8px;height:8px;display:inline-block}.rr .timer-pill{border-radius:var(--radius-pill);background:var(--glass-fill);border:1px solid var(--glass-stroke);min-width:88px;height:40px;box-shadow:var(--shadow-glass);-webkit-backdrop-filter:blur(var(--blur-glass)) saturate(180%);backdrop-filter:blur(var(--blur-glass)) saturate(180%);font-variant-numeric:tabular-nums;justify-content:center;align-items:center;gap:6px;padding:0 14px;font-size:1rem;font-weight:800;transition:background .2s,color .2s;display:inline-flex}.rr .timer-pill svg{width:14px;height:14px;color:var(--g-ink-3)}.rr .timer-pill.warn{background:var(--danger-fill);color:#fff;border-color:#0000;animation:1s infinite rr-tick-warn}.rr .timer-pill.warn svg{color:#fff}.rr .run-bar{grid-template-columns:repeat(3,1fr);gap:8px;margin:2px 0 6px;display:grid}.rr .run-stat{background:var(--g-surface);border:1px solid var(--g-line);border-radius:14px;flex-direction:column;align-items:center;padding:6px;display:flex}.rr .run-stat small{text-transform:uppercase;letter-spacing:.1em;color:var(--g-ink-3);font-size:.66rem;font-weight:800}.rr .run-stat b{font:800 1.15rem/1.3 var(--font-sans);font-variant-numeric:tabular-nums}.rr .run-stat b.bump{animation:rr-bump .45s var(--ease-spring)}.rr .game-main{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:14px;display:flex}.rr .rook-tracker{justify-content:center;gap:6px;min-height:22px;display:flex}.rr .rook-tracker i{width:20px;height:22px;color:var(--g-surface-3);transition:color .25s, transform .3s var(--ease-spring);place-items:center;display:grid}.rr .rook-tracker i svg{--rook-cut:transparent;width:20px;height:20px}.rr .rook-tracker i.on{color:var(--brand-text);transform:translateY(-2px)}.rr .rook-tracker.bad i.on{color:var(--g-danger)}.rr .board-wrap{--size:min(calc(100vw - 32px), calc(100dvh - 300px - var(--top)), 580px);width:var(--size);height:var(--size);min-width:250px;min-height:250px;position:relative}.rr .board{--n:8;grid-template-columns:repeat(var(--n), minmax(0, 1fr));grid-template-rows:repeat(var(--n), minmax(0, 1fr));background:var(--wall);width:100%;height:100%;box-shadow:var(--shadow-lg), 0 0 0 1px var(--glass-stroke);touch-action:none;-webkit-user-select:none;user-select:none;direction:ltr;border-radius:16px;padding:3px;transition:filter .3s;display:grid;position:relative}.rr .board.paused{filter:blur(14px)saturate(.6);pointer-events:none}.rr .cell{--wt:0px;--wr:0px;--wb:0px;--wl:0px;background:var(--c);min-width:0;min-height:0;box-shadow:inset 0 var(--wt) 0 var(--wall), inset calc(-1 * var(--wr)) 0 0 var(--wall), inset 0 calc(-1 * var(--wb)) 0 var(--wall), inset var(--wl) 0 0 var(--wall), inset 0 0 0 .5px #0003;cursor:pointer;outline:none;transition:filter .15s;position:relative}.rr .cell.tl{border-top-left-radius:13px}.rr .cell.tr{border-top-right-radius:13px}.rr .cell.bl{border-bottom-left-radius:13px}.rr .cell.br{border-bottom-right-radius:13px}@media (hover:hover){.rr .cell:hover{filter:brightness(1.06)saturate(1.05)}}.rr .cell:focus-visible{z-index:2;box-shadow:inset 0 0 0 3px var(--wall), inset 0 0 0 5px #fff}.rr .cell .p{z-index:1;pointer-events:none;place-items:center;display:grid;position:absolute;inset:0}.rr .cell .p svg{display:none}.rr .cell .p .x{width:36%;height:36%;color:var(--x-ink)}.rr .cell .p .r{width:66%;height:66%;color:var(--rook-ink);filter:drop-shadow(0 2px 1.5px #0000002e)}.rr .cell.is-x .p .x{animation:rr-x-in .18s var(--ease-out);display:block}.rr .cell.is-auto:not(.is-x):not(.is-rook) .p .x{opacity:.28;width:22%;height:22%;display:block}.rr .cell.is-rook .p .r{animation:rr-rook-in .38s var(--ease-spring);display:block}.rr .cell.is-clash:after{content:"";pointer-events:none;border-radius:inherit;background:repeating-linear-gradient(-45deg,#be222a5c 0 3px,#0000 3px 9px);animation:.25s rr-fade-in;position:absolute;inset:0}.rr .cell.is-rook.is-bad .p .r{color:var(--danger-fill);filter:drop-shadow(0 0 6px #be222a73);animation:.4s rr-shake}.rr .cell.is-reveal:not(.is-rook) .p .r{opacity:.3;animation:.6s rr-fade-in;display:block}.rr .cell.is-hint:before{content:"";pointer-events:none;z-index:1;box-shadow:0 0 0 3px var(--accent), 0 0 18px 4px #fb784fa6;border-radius:8px;animation:1.2s ease-in-out 3 rr-hint-glow;position:absolute;inset:3px}.rr .cell.is-flag{animation:.6s 2 rr-flag}.rr .board.is-won .cell{animation:rr-wave .7s var(--ease-out) both;animation-delay:var(--d,0s)}.rr .board.is-won .cell.is-rook .p .r{color:var(--rook-ink);animation:rr-rook-cheer .7s var(--ease-spring) both;animation-delay:var(--d,0s)}.rr .pause-veil{z-index:5;place-items:center;display:grid;position:absolute;inset:0}.rr .fx{pointer-events:none;z-index:6;width:calc(100% + 80px);height:calc(100% + 80px);position:absolute;inset:-40px}.rr .toolbar{width:var(--size,100%);justify-content:center;gap:10px;max-width:580px;padding-bottom:4px;display:flex}.rr .tool{background:var(--g-surface);border:1px solid var(--g-line);max-width:120px;height:60px;box-shadow:0 4px 0 var(--neutral-depth), var(--shadow-sm);color:var(--g-ink-2);border-radius:18px;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;font-size:.75rem;font-weight:800;transition:transform .1s,box-shadow .1s,background .2s,opacity .2s;display:flex;position:relative}.rr .tool svg{width:22px;height:22px;color:var(--g-ink)}.rr .tool:hover:not(:disabled){background:var(--g-surface-2)}.rr .tool:active:not(:disabled){box-shadow:0 0 0 var(--neutral-depth);transform:translateY(4px)}.rr .tool:disabled{opacity:.4;cursor:default}.rr .tool em{top:6px;background:var(--accent);min-width:18px;height:18px;color:var(--on-accent);border-radius:99px;place-items:center;padding:0 5px;font-size:.7rem;font-style:normal;font-weight:800;display:grid;position:absolute;inset-inline-end:10px}.rr .tool em:empty{display:none}.rr .game-tip{min-height:1.2em;color:var(--g-ink-3);text-align:center;font-size:.8rem;font-weight:600}.rr .sheet{background:var(--g-surface);width:min(460px,100vw - 24px);max-height:calc(100dvh - 32px);color:var(--g-ink);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg), 0 0 0 1px var(--g-line);border:0;margin:auto;padding:0;overflow:auto}.rr .sheet[open]{animation:rr-sheet-in .35s var(--ease-spring)}.rr .sheet:focus-visible{outline:none}.rr .sheet::backdrop{background:var(--scrim);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:.25s rr-fade-in}@media (max-width:520px){.rr .sheet{border-radius:var(--radius-xl) var(--radius-xl) 0 0;width:100vw;max-width:100vw;padding-bottom:env(safe-area-inset-bottom);margin:auto 0 0}.rr .sheet[open]{animation-name:rr-sheet-up}}.rr .sheet-head{justify-content:space-between;align-items:center;padding:18px 16px 4px 22px;display:flex}[dir=rtl] .rr .sheet-head{padding:18px 22px 4px 16px}.rr .sheet-head h3{font:600 1.2rem/1.3 var(--font-display);letter-spacing:-.01em}.rr .sheet-head .orca-icon-btn{margin-bottom:3px}.rr .sheet-body{flex-direction:column;gap:14px;padding:10px 22px 24px;display:flex}.rr .rule{grid-template-columns:96px 1fr;align-items:center;gap:16px;display:grid}.rr .rule h4{font:700 1rem/1.3 var(--font-sans);margin-bottom:2px}.rr .rule p{color:var(--g-ink-2);font-size:.9rem;font-weight:600;line-height:1.5}.rr .mini-board.demo{width:96px}.rr .mini-board.demo i.clash:after{content:"";background:repeating-linear-gradient(-45deg,#be222a73 0 2px,#0000 2px 6px);position:absolute;inset:0}.rr .mini-board.demo i.bad{color:var(--danger-fill)}.rr .tap-demo{color:var(--g-ink-3);justify-content:center;align-items:center;gap:3px;font-weight:800;display:flex}.rr .tap-cell{background:var(--c-zen);width:26px;height:26px;box-shadow:inset 0 0 0 1.5px var(--wall);border-radius:6px;place-items:center;display:grid}.rr .tap-cell .x{width:12px;height:12px;color:var(--x-ink)}.rr .tap-cell .r{width:18px;height:18px;color:var(--rook-ink)}.rr .help-keys{color:var(--g-ink-3);text-align:center;font-size:.78rem;font-weight:600}@media (pointer:coarse){.rr .help-keys{display:none}}.rr .stat-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.rr .stat{background:var(--g-surface-2);text-align:center;border-radius:18px;padding:14px 8px}.rr .stat b{font:800 1.5rem/1.15 var(--font-sans);font-variant-numeric:tabular-nums;display:block}.rr .stat span{color:var(--g-ink-2);text-transform:uppercase;letter-spacing:.06em;font-size:.7rem;font-weight:800}.rr .stat.hl{background:var(--g-accent-soft)}.rr .stat.hl b{color:var(--brand-text)}.rr .best-list{flex-direction:column;gap:8px;display:flex}.rr .best-row{grid-template-columns:56px 1fr auto;align-items:center;gap:10px;font-size:.9rem;font-weight:700;display:grid}.rr .best-row .sz{font-weight:800}.rr .best-row .bar{background:var(--g-surface-2);border-radius:99px;height:8px;overflow:hidden}.rr .best-row .bar i{background:linear-gradient(90deg, var(--brand), 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.set-row:last-of-type{border-bottom:0}.rr .switch{appearance:none;cursor:pointer;border-radius:var(--radius-pill);background:var(--surface-raised);width:52px;height:30px;box-shadow:inset 0 0 0 1px var(--line-strong);transition:background .26s var(--ease-out), box-shadow .26s var(--ease-out);flex:none;position:relative}.rr .switch:after{content:"";top:4px;background:var(--ink-muted);width:22px;height:22px;transition:transform .52s var(--ease-spring), background .26s;border-radius:50%;position:absolute;inset-inline-start:4px}.rr .switch:checked{background:var(--brand);box-shadow:none}.rr .switch:checked:after{background:var(--on-brand);transform:translate(22px)}[dir=rtl] .rr .switch:checked:after{transform:translate(-22px)}.rr .chips{flex-wrap:wrap;gap:8px;display:flex}.rr .chip{background:var(--g-surface-2);color:var(--g-ink-2);border:2px solid #0000;border-radius:14px;align-items:center;gap:6px;padding:10px 14px;font-size:.92rem;font-weight:800;transition:background .2s,color .2s,border-color .2s;display:inline-flex}.rr .chip:hover:not(:disabled){color:var(--g-ink)}.rr .chip.on{background:var(--g-accent-soft);color:var(--on-brand-soft);border-color:var(--brand)}.rr .chip:disabled{opacity:.35;cursor:not-allowed}.rr #zen-size{grid-template-columns:repeat(6,1fr);display:grid}.rr #zen-diff{grid-template-columns:repeat(4,1fr);display:grid}.rr #zen-size .chip,.rr #zen-diff .chip{justify-content:center;padding-inline:6px}@media (max-width:440px){.rr #zen-size{grid-template-columns:repeat(3,1fr)}.rr #zen-diff{grid-template-columns:repeat(2,1fr)}}.rr .result-hero{text-align:center;background:radial-gradient(90% 100% at 50% 0%, var(--g-accent-soft), transparent 70%);padding:30px 22px 18px;position:relative}.rr .result-medal{background:linear-gradient(145deg, var(--indigo-400), var(--brand) 50%, var(--indigo-700));color:#fff;width:84px;height:84px;box-shadow:inset 0 1px 0 #fff6, 0 6px 0 var(--brand-depth), 0 18px 32px -12px var(--brand-glow);animation:rr-medal .8s var(--ease-spring);border-radius:26px;place-items:center;margin:0 auto 12px;display:grid}.rr .result-medal svg{--rook-cut:#00000026;width:50px;height:50px}.rr .result-medal.lose{background:linear-gradient(150deg, #f08a8e, var(--danger-fill));box-shadow:inset 0 1px 0 #ffffff59, 0 6px 0 var(--danger-depth), 0 18px 32px -12px #be222a80}.rr .result-hero h3{font:700 1.7rem/1.15 var(--font-display);letter-spacing:-.025em}.rr .result-hero p{color:var(--g-ink-2);margin-top:6px;font-weight:600}.rr .result-stars{justify-content:center;gap:6px;margin-top:12px;display:flex}.rr .result-stars:empty{display:none}.rr .result-stars svg{width:34px;height:34px;color:var(--g-surface-3)}.rr .result-stars svg.on{color:var(--g-star);animation:rr-star-pop .5s var(--ease-spring) both}.rr .result-stars svg:nth-child(2){animation-delay:.15s;transform:translateY(-6px)}.rr .result-stars svg:nth-child(3){animation-delay:.3s}.rr .result-stats{grid-template-columns:repeat(3,1fr);gap:8px;padding:0 22px;display:grid}.rr .result-stats .stat b{font-size:1.3rem}.rr .badge-new{background:var(--accent);color:var(--on-accent);letter-spacing:.08em;text-transform:uppercase;animation:rr-star-pop .5s var(--ease-spring) .4s both;border-radius:99px;margin-top:10px;padding:4px 12px;font-size:.74rem;font-weight:800;display:inline-block}.rr .result-actions{flex-direction:column;gap:12px;padding:18px 22px 24px;display:flex}.rr .result-row{grid-template-columns:1fr 1fr;gap:12px;display:grid}.rr .result-row .orca-btn{min-width:0}.rr .confirm{text-align:center;padding-top:26px}.rr .confirm h3{font:600 1.2rem/1.3 var(--font-display)}.rr .confirm p{color:var(--g-ink-2);font-weight:600}.rr .toast{left:50%;bottom:calc(24px + env(safe-area-inset-bottom));z-index:var(--z-toast);opacity:0;pointer-events:none;background:color-mix(in srgb, var(--surface) 86%, transparent);color:var(--ink);border:1px solid var(--glass-stroke);-webkit-backdrop-filter:blur(var(--blur-glass)) saturate(180%);backdrop-filter:blur(var(--blur-glass)) saturate(180%);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);text-align:center;max-width:calc(100vw - 32px);transition:transform .35s var(--ease-spring), opacity .25s;padding:12px 18px;font-size:.92rem;font-weight:700;position:fixed;transform:translate(-50%,30px)}.rr .toast.show{opacity:1;transform:translate(-50%)}.rr .float-text{z-index:7;pointer-events:none;font:700 clamp(1.4rem, 6vw, 2.3rem)/1 var(--font-display);color:#fff;white-space:nowrap;text-shadow:0 4px 20px #00000080,0 0 2px #0009;animation:rr-float-up 1.2s var(--ease-out) forwards;position:absolute;top:45%;left:50%;transform:translate(-50%,-50%)}.rr .pz-status{width:calc(var(--cell) * var(--cols) + 6px);max-width:100%;color:var(--g-ink-2);justify-content:space-between;align-items:center;gap:10px;font-size:.82rem;font-weight:700;display:flex}.rr .pz-goal{direction:ltr;align-items:center;gap:6px;min-width:0;display:inline-flex}.rr .pz-goal .pc{background:var(--sq-light);border-radius:8px;place-items:center;width:26px;height:26px;margin-inline-end:2px;display:inline-grid;box-shadow:inset 0 0 0 1px #0000001f}.rr .pz-goal .pc svg{width:20px;height:20px}.rr .pz-goal .gap{width:6px}.rr .pz-count{white-space:nowrap;font-variant-numeric:tabular-nums;align-items:baseline;gap:4px;display:inline-flex}.rr .pz-count b{color:var(--g-ink);font-size:1.05rem;font-weight:800}.rr .pz-count i{background:var(--g-ink-3);border-radius:50%;align-self:center;width:4px;height:4px;margin:0 4px}.rr .screen[data-screen=puzzle] .pz-main{justify-content:flex-start;padding-top:clamp(4px,2vh,20px)}.rr .pz-main{--cols:5;--rows:5;--cell:max(50px, min(calc((100vw - 38px) / var(--cols)), calc((100dvh - 350px - var(--top)) / var(--rows)), 108px))}.rr .pz-wrap{width:calc(var(--cell) * var(--cols) + 6px);height:calc(var(--cell) * var(--rows) + 6px);position:relative}.rr .cboard{background:var(--wall);width:100%;height:100%;box-shadow:var(--shadow-lg), 0 0 0 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.sq.is-target.is-over:after{width:84%;height:84%;box-shadow:inset 0 0 0 4px color-mix(in srgb, var(--brand) 80%, transparent);background:0 0;border-radius:14%}.rr .sq.is-hint:before{opacity:1;box-shadow:0 0 0 3px var(--accent), 0 0 16px 3px #fb784f99;border-radius:12%;animation:1.2s ease-in-out infinite rr-hint-glow;inset:4%}.rr .cboard:focus-visible .sq.is-cursor{box-shadow:inset 0 0 0 3px var(--wall), inset 0 0 0 5px #ffffffb3;z-index:1}.rr .plaque{justify-content:center;align-items:center;gap:calc(var(--cell) * .12);text-align:center;background:radial-gradient(120% 140% at 100% 0%, #ffffff29, transparent 55%), linear-gradient(150deg, var(--indigo-500) 0%, var(--indigo-700) 100%);color:#f6f7ff;min-width:0;min-height:0;box-shadow:inset 0 0 0 2px var(--wall);flex-direction:column;padding:6px 8px;display:flex;position:relative;overflow:hidden}.rr .plaque:after{content:"";pointer-events:none;background:radial-gradient(circle at 1px 1px,#ffffff1f 1px,#0000 1.4px) 0 0/14px 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