:root{--font:ui-rounded,"SF Pro Rounded",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-family:var(--font);color:var(--ink);background:var(--bg);font-synthesis:none;-webkit-text-size-adjust:100%}*{box-sizing:border-box}body{background:var(--bg);-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;margin:0}input{-webkit-user-select:text;user-select:text}button,input,select{font:inherit;color:inherit}button{cursor:pointer;-webkit-tap-highlight-color:transparent}button:disabled{cursor:default;opacity:.3}:focus-visible{outline:2px solid var(--ink);outline-offset:3px}[hidden]{display:none!important}.sr-only{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.icon-button svg,.link-button svg,.status svg,.group-toggle svg{flex-shrink:0}#app{height:100dvh;min-height:200px;padding:env(safe-area-inset-top) env(safe-area-inset-right) 0 env(safe-area-inset-left);grid-template-rows:minmax(0,1fr) auto;grid-template-columns:minmax(0,1fr);display:grid;position:relative}#game{min-width:0;min-height:0;overflow:hidden}#game>canvas{touch-action:none;outline:none;display:block}#game>canvas:focus-visible{box-shadow:inset 0 0 0 2px var(--ink)}#controls{z-index:2;background:var(--bg);padding:8px 12px max(26px,env(safe-area-inset-bottom));justify-content:center;display:flex;position:relative}.dock{background:var(--panel);border-radius:20px;align-items:center;gap:2px;min-width:0;max-width:100%;padding:4px;display:flex}.dock .icon-button{flex:0 60px;width:60px;min-width:40px;height:52px}.dock-divider{background:var(--hairline);flex:0 0 1px;align-self:stretch;margin:12px 4px}.icon-button{width:44px;height:44px;color:var(--ink);background:0 0;border:0;border-radius:14px;flex:0 0 44px;justify-content:center;align-items:center;padding:0;transition:background .14s,transform .14s;display:inline-flex}.icon-button svg{width:25px;height:25px}.icon-button:hover:not(:disabled){background:var(--hover)}.icon-button:active:not(:disabled){background:var(--pressed);transform:scale(.96)}@media (height<=480px){#controls{padding-top:4px;padding-bottom:max(8px,env(safe-area-inset-bottom))}.dock .icon-button{height:44px}}#app[data-dock]{padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}#app[data-dock=left],#app[data-dock=right]{grid-template-rows:minmax(0,1fr)}#app[data-dock=left]{grid-template-columns:auto minmax(0,1fr);padding-left:0}#app[data-dock=right]{grid-template-columns:minmax(0,1fr) auto;padding-right:0}#app[data-dock=top]{grid-template-rows:auto minmax(0,1fr);padding-top:0}#app[data-dock=left] #controls,#app[data-dock=top] #controls{order:-1}#app[data-dock=left] #game{grid-column:2}#app[data-dock=top] #game{grid-row:2}#app[data-dock=left] #controls,#app[data-dock=right] #controls{flex-direction:column;justify-content:center;padding:8px}#app[data-dock=top] #controls{padding:max(8px,env(safe-area-inset-top)) 12px 8px}#app[data-dock=left] .dock,#app[data-dock=right] .dock{flex-direction:column;max-height:100%}#app[data-dock=left] .dock .icon-button,#app[data-dock=right] .dock .icon-button{flex:0 60px;width:52px;min-width:0;height:auto;min-height:40px}#app[data-dock=left] .dock-divider,#app[data-dock=right] .dock-divider{margin:4px 12px}#screen{--screen-top:max(24px,env(safe-area-inset-top));z-index:3;overscroll-behavior:contain;background:var(--bg);padding:var(--screen-top) max(20px,env(safe-area-inset-right)) max(24px,env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left));position:absolute;inset:0;overflow:auto}.page{flex-direction:column;max-width:560px;min-height:100%;margin:0 auto;display:flex}.home-header{flex-direction:column;flex:1 0 auto;justify-content:center;min-height:110px;max-height:200px;display:flex}.home-title{margin-top:calc(-1 * var(--screen-top));justify-content:center;display:flex;position:relative}.wordmark{color:var(--wordmark);margin:0;line-height:0}.wordmark svg{width:auto;height:49px;display:block}.home-title .icon-button{color:var(--secondary);margin-top:-22px;position:absolute;top:50%;right:-8px}.section{--section-color:var(--primary-bg);--section-ink:var(--primary-ink);flex-direction:column;gap:8px;padding:12px 0;display:flex}.section:first-of-type{padding-top:0}.section:last-child{padding-bottom:0}.section+.section{border-top:1px solid var(--divider)}.section[data-accent]{--section-ink:var(--accent-ink)}.section[data-accent="1"]{--section-color:var(--accent-1)}.section[data-accent="2"]{--section-color:var(--accent-2)}.section[data-accent="3"]{--section-color:var(--accent-3)}.section[data-accent="4"]{--section-color:var(--accent-4)}.section-label{letter-spacing:-.01em;margin:0 0 -2px;font-size:18px;font-weight:800;line-height:1.2}.section .primary-button{background:var(--section-color);min-height:52px;color:var(--section-ink);font-size:19px}.action-row{gap:8px;display:flex}.action-row .primary-button{flex:1;min-width:0}.action-row .square-action{background:var(--section-color);width:52px;height:52px;color:var(--section-ink);flex-basis:52px}.action-row .square-action:hover:not(:disabled),.action-row .square-action:active:not(:disabled){background:var(--section-color)}.last-played{flex-direction:column;gap:2px;margin:0;padding:0 2px 4px;display:flex}.last-played-name{overflow-wrap:anywhere;font-size:17px;font-weight:600}.meta{color:var(--secondary);font-variant-numeric:tabular-nums;font-size:15px}.steppers{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.stepper{background:var(--selected-bg);border-radius:14px;justify-content:space-between;align-items:center;min-height:52px;padding:0 2px 0 14px;display:flex}.stepper-label{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:16px;font-weight:500;overflow:hidden}.stepper-controls{align-items:center;display:flex}.stepper .icon-button{border-radius:12px;flex-basis:40px;width:40px;height:52px;position:relative}.stepper .icon-button svg{width:16px;height:16px;position:relative}.stepper .icon-button:before{content:"";box-sizing:border-box;border:2px solid var(--section-color);border-radius:50%;width:32px;height:32px;margin:-16px 0 0 -16px;position:absolute;top:50%;left:50%}.stepper .icon-button:hover:not(:disabled),.stepper .icon-button:active:not(:disabled){background:0 0}.stepper .icon-button:active:not(:disabled){color:var(--section-ink)}.stepper .icon-button:active:not(:disabled):before{background:var(--section-color)}@media (width<=389.98px){.steppers{grid-template-columns:1fr}}.stepper output{text-align:center;font-variant-numeric:tabular-nums;width:22px;font-size:20px;font-weight:700}.primary-button,.text-button.primary{background:var(--primary-bg);min-height:56px;color:var(--primary-ink);border:0;border-radius:14px;padding:0 20px;font-size:18px;font-weight:700}.back-link{background:0 0;border:0;align-self:flex-start;align-items:center;gap:2px;min-height:44px;margin:-12px 0 0 -6px;padding:0 8px 0 0;font-size:17px;font-weight:500;display:flex}.back-link svg{width:20px;height:20px}.page-title{margin:6px 0 16px;font-size:34px;font-weight:800;line-height:1.05}.search-row{gap:8px;margin-bottom:10px;display:flex}.search{background:var(--panel);border-radius:12px;flex:1;align-items:center;gap:8px;min-width:0;min-height:44px;padding:0 12px;display:flex}.search svg{width:17px;height:17px;color:var(--secondary)}.search input{background:0 0;border:0;outline:none;flex:1;min-width:0;min-height:44px;font-size:17px;font-weight:500}.search input::placeholder{color:var(--secondary)}.search:focus-within{outline:2px solid var(--ink);outline-offset:2px}.search input::-webkit-search-cancel-button{filter:grayscale()}.filter-button{background:var(--panel);border-radius:12px}.filter-button svg{width:21px;height:21px}.filter-button.is-active{background:var(--primary-bg);color:var(--primary-ink)}.filter-button.is-active:hover:not(:disabled){background:var(--primary-bg)}.tree{flex-direction:column;display:flex}.group{border-bottom:1px solid var(--hairline)}.group-head{align-items:center;display:flex}.group-toggle{text-align:left;background:0 0;border:0;flex:1;align-items:center;gap:10px;min-width:0;min-height:56px;padding:0;display:flex}.group-toggle .chevron{color:var(--secondary);transition:transform .15s;display:flex}.group-toggle .chevron svg{width:15px;height:15px}.group-toggle[aria-expanded=true] .chevron{transform:rotate(90deg)}.group-name{overflow-wrap:anywhere;flex:1;min-width:0;font-size:18px;font-weight:700}.group-head .icon-button{color:var(--secondary);margin-right:-10px}.group-head .icon-button svg{width:22px;height:22px}.group-items{border-left:1.5px solid var(--hairline);flex-direction:column;margin:0 0 10px 8px;padding-left:18px;display:flex}.puzzle-row{text-align:left;background:0 0;border:0;align-items:center;gap:12px;min-height:48px;padding:0;display:flex}.puzzle-row .tray-thumb,.tray-thumb{flex-shrink:0;width:26px;height:26px}.tray-thumb path{stroke:var(--ink);stroke-linejoin:round}.tray-thumb.solved path{fill:var(--ink)}.tray-thumb.started path{fill:var(--started)}.tray-thumb.new path{fill:var(--field)}.puzzle-name{overflow-wrap:anywhere;flex:1;min-width:0;font-size:17px;font-weight:500}.status{align-items:center;gap:6px;font-size:14px;font-weight:600;display:flex}.status svg{width:18px;height:18px}.status.started{color:var(--secondary)}.status.started svg{width:17px;height:17px}.empty{color:var(--secondary);margin:8px 0 12px;font-size:15px}.link-button{background:0 0;border:0;align-self:flex-start;align-items:center;gap:6px;min-height:44px;padding:0;font-size:16px;font-weight:600;display:flex}.link-button svg{width:17px;height:17px}.page-footer{margin-top:auto;padding-top:16px}.more-button{align-self:flex-start;margin:4px 0 8px}.notice{background:var(--panel);border-radius:14px;margin:0 0 20px;padding:14px;font-size:15px;line-height:1.5}#sheet{background:var(--bg);color:var(--ink);width:calc(100% - 24px);max-width:480px;max-height:calc(100dvh - 2 * max(20px, env(safe-area-inset-top), env(safe-area-inset-bottom)));box-shadow:0 24px 80px var(--sheet-shadow);border:0;border-radius:20px;padding:0}#sheet::backdrop{background:var(--scrim)}.sheet-content{padding:20px}.sheet-content header{justify-content:space-between;align-items:center;gap:12px;margin:-6px -10px 4px 0;display:flex}.sheet-content h2{overflow-wrap:anywhere;margin:0;font-size:22px;font-weight:800;line-height:1.25}.sheet-content h3{color:var(--secondary);margin:20px 0 4px;font-size:13px;font-weight:600}.sheet-content p{overflow-wrap:anywhere;margin:8px 0 14px;font-size:16px;line-height:1.5}.sheet-content h3+p{margin-top:0}.sheet-content .secondary{color:var(--secondary);font-size:15px}.menu-item{background:var(--panel);text-align:left;border:0;border-radius:14px;align-items:center;gap:14px;width:100%;min-height:52px;margin-top:8px;padding:0 16px;font-size:17px;font-weight:600;display:flex}.menu-item svg{flex-shrink:0;width:22px;height:22px}.menu-item:hover{background:var(--hover)}.sheet-actions{flex-direction:column;gap:8px;margin:18px 0 0;display:flex}.text-button{background:var(--panel);text-align:center;border:0;border-radius:14px;min-height:50px;padding:0 18px;font-size:17px;font-weight:600}.sheet-content>.text-button{width:100%;margin-top:8px}.text-button.quiet{background:0 0}.text-button:hover:not(:disabled){filter:brightness(.97)}.preference{background:var(--panel);border-radius:14px;align-items:center;gap:12px;min-height:50px;margin:8px 0;padding:0 16px;font-size:16px;font-weight:500;line-height:1.4;display:flex}.preference input{width:20px;height:20px;accent-color:var(--ink);flex-shrink:0;margin:0}.field{background:var(--panel);border-radius:14px;justify-content:space-between;align-items:center;gap:12px;min-height:50px;margin:8px 0;padding:0 6px 0 16px;font-size:16px;font-weight:500;display:flex}.field select{text-align:right;cursor:pointer;background:0 0;border:0;max-width:60%;min-height:44px;font-weight:600}.choice-row{background:var(--panel);text-align:left;border:0;border-radius:14px;align-items:center;gap:10px;width:100%;min-height:56px;margin:8px 0;padding:0 14px 0 16px;display:flex}.choice-row .meta{margin-left:auto}details{margin:12px 0;font-size:15px}summary{cursor:pointer;min-height:44px;padding:12px 0;font-weight:600}.file-message{white-space:pre-line;overflow-wrap:anywhere}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}.mode-control{background:var(--track);border:0;border-radius:14px;gap:4px;min-width:0;margin:0;padding:4px;display:flex}.mode-control label{min-height:44px;color:var(--ink);cursor:pointer;border-radius:10px;flex:1;justify-content:center;align-items:center;gap:8px;padding:0 8px;font-size:15px;font-weight:500;display:flex;position:relative}.mode-control input{opacity:0;cursor:pointer;width:100%;height:100%;margin:0;position:absolute;inset:0}.mode-control label:has(input:checked){background:var(--selected-bg);color:var(--ink);font-weight:700}.mode-control label:has(input:focus-visible){outline:2px solid var(--ink);outline-offset:1px}.mode-control:disabled{opacity:.6}.calendar-header{justify-content:space-between;align-items:center;margin:8px 0 18px;display:flex}.calendar-month{flex-direction:column;align-items:center;min-width:0;display:flex}.calendar-month select{text-align:center;cursor:pointer;background:0 0;border:0;border-radius:10px;max-width:100%;min-height:44px;padding:0 8px;font-size:24px;font-weight:700}.calendar-year{color:var(--secondary);font-size:16px}.calendar-page .mode-control{margin-bottom:20px}.calendar-grid{grid-template-columns:repeat(7,minmax(0,1fr));gap:4px 0;display:grid}.calendar-weekday{text-align:center;color:var(--secondary);padding:10px 0;font-size:13px;font-weight:600}.calendar-day{background:0 0;border:0;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:6px;min-width:0;min-height:64px;padding:4px 0;display:flex}.calendar-day:hover:not(:disabled){background:var(--panel)}.calendar-number{justify-content:center;align-items:center;width:32px;height:32px;font-size:18px;font-weight:600;display:flex}.calendar-day.is-today .calendar-number{border:1.5px solid var(--ink);border-radius:50%}.calendar-dots{gap:6px;height:8px;display:flex}.calendar-dot{border:1.5px solid;border-radius:50%;flex-shrink:0;width:8px;height:8px;display:inline-block}.calendar-dot.fixed{color:var(--calendar-blue)}.calendar-dot.flippable{color:var(--calendar-yellow)}.calendar-dot.completed{background:currentColor}.calendar-dot.unattempted{visibility:hidden}@media (width<=359px){.calendar-grid{margin-inline:-14px}.calendar-page .page-title{font-size:30px}}