@keyframes orient-fade{0%,35%{opacity:0}to{opacity:1}}@keyframes fs-breathe{0%,to{background:color-mix(in srgb,var(--fs-hue) 16%,var(--surface2));border-color:color-mix(in srgb,var(--fs-hue) 44%,var(--border))}50%{background:var(--text);border-color:var(--text)}}@keyframes fs-breathe-icon{0%,to{color:var(--fs-hue)}50%{color:var(--surface)}}@keyframes fsToolsIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}@keyframes showcase-merge{0%{opacity:.15}to{opacity:1}}@keyframes showcase-glow-bloom{0%{opacity:0;transform:scale(.92)}40%{opacity:.55;transform:scale(1.03)}to{opacity:0;transform:scale(1.07)}}@keyframes tap-break-pulse{50%{transform:translateX(-50%) translateY(-4px)}}.app-layout{display:flex;flex-direction:column;height:100vh;height:100dvh;overflow:hidden}.app-layout.rotated{position:fixed;top:0;left:0;transform-origin:top left;transform:rotate(90deg) translateY(-100%)}.app-layout.rotated.flip{transform:rotate(-90deg) translateX(-100%)}.app-layout.orient-fade{animation:orient-fade .24s ease-out both}@media (prefers-reduced-motion:reduce){.app-layout.orient-fade{animation:none}}.app-header,.header-btn{display:flex;align-items:center;flex-shrink:0}.app-header{gap:12px;padding:0 16px;border-bottom:2px solid var(--rule);background:var(--bg);height:58px;box-shadow:none;z-index:var(--z-header)}.app-header h1{font-size:22px;font-weight:800;letter-spacing:-.4px}.app-header h1 span{color:var(--accent)}.header-btn{background:var(--surface2);border:1px solid var(--border);color:var(--text);width:38px;height:38px;justify-content:center;cursor:pointer;transition:border-color .15s,background .15s}.header-btn svg{width:20px;height:20px}.header-btn:hover{border-color:var(--accent);background:var(--bg)}.header-btn.header-btn--label{width:auto;gap:8px;padding:0 16px;height:36px;font:700 11px/1"Archivo",system-ui,sans-serif;letter-spacing:.08em;text-transform:uppercase;background:var(--accent-solid);border-color:var(--accent-solid);color:#fff}.header-btn.header-btn--label:hover{background:var(--accent-dim);border-color:var(--accent-dim);color:#fff}.header-btn.header-btn--label svg{color:currentColor}.app-header h1,.header-btn--label span{white-space:nowrap}#btn-fullscreen .fs-compress,#btn-fullscreen.fs-on .fs-expand{display:none}#btn-fullscreen.fs-on .fs-compress{display:block}#btn-fullscreen{--fs-hue:#22d3ee}#btn-fullscreen.fs-on{color:var(--fs-hue);background:color-mix(in srgb,var(--fs-hue) 16%,var(--surface2));border-color:color-mix(in srgb,var(--fs-hue) 44%,var(--border))}#btn-fullscreen.fs-on.fs-hint{animation:fs-breathe 2.6s ease-in-out infinite}#btn-fullscreen.fs-on.fs-hint svg{animation:fs-breathe-icon 2.6s ease-in-out infinite}@media (prefers-reduced-motion:reduce){#btn-fullscreen.fs-on.fs-hint,#btn-fullscreen.fs-on.fs-hint svg{animation:none}}.header-btn.active{color:var(--h, var(--accent));background:color-mix(in srgb,var(--h, var(--accent)) 16%,var(--surface2));border-color:color-mix(in srgb,var(--h, var(--accent)) 44%,var(--border))}.header-right{margin-left:auto;gap:8px}.header-nav,.header-nav-btn,.header-right{display:flex;align-items:center}.header-nav{gap:4px;margin-left:6px}.header-nav-btn[hidden],html.embed .app-header{display:none}.header-nav-btn{gap:7px;padding:0 14px;height:100%;background:0 0;border:0;box-shadow:inset 0-2px 0 transparent;color:var(--text3);font:inherit;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:background .14s ease-out,color .14s ease-out,box-shadow .14s ease-out;white-space:nowrap}.header-nav-btn svg{width:18px;height:18px;color:currentColor;flex-shrink:0}.header-nav-btn:hover{color:var(--text);background:var(--surface)}.header-nav-btn.active{color:var(--text);background:0 0;box-shadow:inset 0-2px 0 var(--accent)}.embed-badge{position:fixed;right:8px;bottom:8px;z-index:var(--z-embed);font:600 11px ui-sans-serif,system-ui,sans-serif;color:#fff;background:color-mix(in srgb,var(--accent) 88%,#000);padding:5px 10px;text-decoration:none}.embed-badge:hover{background:var(--accent)}.header-nav-btn.cam-nav{--h:var(--accent);color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent);border-color:color-mix(in srgb,var(--accent) 30%,transparent)}.header-nav-btn.cam-nav:hover{color:var(--accent);background:color-mix(in srgb,var(--accent) 20%,transparent);border-color:color-mix(in srgb,var(--accent) 44%,transparent)}.timer{font-size:12px;color:var(--text2);font-variant-numeric:tabular-nums;min-width:42px;text-align:center;padding:4px 8px;background:var(--bg);border:1px solid var(--border)}.board-area,.board-area .board{flex:1;min-height:0;position:relative}.board-area,.puzzle-layout{display:flex;overflow:hidden}.board-area{flex-direction:column;min-width:0}.puzzle-layout{flex:1;min-height:0}.board-area .board{overflow:clip;perspective:1200px;transform-style:flat;z-index:var(--z-board);background-color:var(--bg);background-image:linear-gradient(to right,var(--grid-line) 1px,transparent 1px),linear-gradient(to bottom,var(--grid-line) 1px,transparent 1px);background-size:44px 44px}[data-grid=off] .board-area .board{background-image:none}.board-area .board>#showcase,.board-area .board>.board-silhouette,.board-area .board>.clean-photo{border:2px solid var(--rule)}.piece-tray{display:none}.tool-row{display:flex;align-items:stretch;height:44px;flex-shrink:0;background:var(--bg);border-bottom:2px solid var(--rule);overflow:hidden}.tool-cell{display:inline-flex;align-items:center;gap:8px;padding:0 16px;background:0 0;border:0;border-right:1px solid var(--border);color:var(--text3);font:700 11px/1"Archivo",system-ui,sans-serif;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;white-space:nowrap;transition:color .15s ease-out,background .15s ease-out}.tool-cell svg{flex-shrink:0}.tool-cell.active,.tool-cell.is-active{color:var(--text)}.gallery-select option,.tool-cell:hover{background:var(--surface);color:var(--text)}.tool-cell:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.tool-cell--end{margin-left:auto;border-right:0;border-left:1px solid var(--border)}.tool-row:not(.visible) .tool-cell{opacity:.45;pointer-events:none}.belt-arrow,.belt-shelf{position:absolute;border-top:1px solid color-mix(in srgb,var(--rule) 45%,transparent)}.belt-shelf{pointer-events:none;z-index:1;background:color-mix(in srgb,var(--bg) 34%,transparent);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}.belt-shelf[hidden]{display:none}.belt-arrow{z-index:62;display:inline-flex;align-items:center;justify-content:center;padding:0;border:0;cursor:pointer;color:var(--text);background:color-mix(in srgb,var(--bg) 62%,transparent)}.belt-arrow svg{width:20px;height:20px}.belt-arrow:hover:not(:disabled){background:var(--bg)}.belt-arrow:disabled{opacity:.3;cursor:default}#spa-btn-flip,.belt-arrow[hidden],.voices-menu[hidden]{display:none}body.fs-immersive:not(.fs-tools) #tool-row{display:none}body.fs-immersive .fs-reveal{position:fixed;top:0;left:0;right:0;height:26px;z-index:130;background:0 0;border:0;padding:0;cursor:pointer}body:not(.fs-immersive) .fs-reveal{display:none}body.fs-immersive:not(.fs-tools) .fs-reveal::after{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:46px;height:3px;background:var(--rule);opacity:.55}@media (prefers-reduced-motion:no-preference){body.fs-immersive.fs-tools #tool-row{animation:fsToolsIn 140ms ease-out}}.app-layout.can-flip #spa-btn-flip{display:flex}#btn-fullscreen,#btn-redo,#btn-undo{color:var(--text);background:0 0;border-color:var(--border)}#btn-fullscreen:hover,#btn-redo:hover,#btn-undo:hover{background:var(--surface);border-color:var(--rule)}.voices-menu{position:fixed;z-index:calc(var(--z-toolbar) + 2);min-width:176px;padding:6px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-modal);max-height:calc(100vh - 96px);overflow-y:auto}.voices-menu-h{font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text3);padding:4px 8px 6px;border-bottom:2px solid var(--rule)}.voices-row{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;padding:7px 8px;background:0 0;border:0;border-bottom:1px solid var(--border);color:var(--text3);font-size:13px;font-weight:600;cursor:pointer;text-align:left;transition:background .12s,color .12s}.voices-row:hover{background:var(--surface2);color:var(--text)}.voices-row.on{color:var(--text)}.voices-sw{position:relative;flex:none;width:32px;height:18px;background:color-mix(in srgb,var(--text2) 35%,transparent);transition:background .15s}.voices-sw::after{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;background:#fff;transition:transform .15s}.voices-row.on .voices-sw{background:#3ecf8e}.voices-row.on .voices-sw::after{transform:translateX(14px)}.voices-alloff{width:100%;margin-top:5px;padding:8px;border:0;background:color-mix(in srgb,var(--text) 8%,transparent);color:var(--text);font-size:12px;font-weight:700;cursor:pointer;border-top:1px solid var(--border);transition:background .12s}.voices-alloff:hover{background:color-mix(in srgb,var(--text) 15%,transparent)}@media (prefers-reduced-motion:reduce){.voices-alloff,.voices-row,.voices-sw,.voices-sw::after{transition:none}}#board-frame{position:absolute;box-sizing:border-box;pointer-events:none;z-index:0;border-style:solid;border-color:#5d6d95 #2a3250 #242b44 #505f83;box-shadow:0 8px 22px rgba(0,0,0,.4),inset 0 0 0 1px rgba(255,255,255,.09)}#board-frame[hidden]{display:none}.ref-thumb{position:absolute;top:12px;right:12px;width:160px;overflow:hidden;border:1px solid var(--border);z-index:var(--z-ref);cursor:grab;touch-action:none;transition:opacity .2s}.ref-thumb.dragging{cursor:grabbing}.ref-thumb img{width:100%;display:block}.ref-close{position:absolute;top:4px;right:4px;width:22px;height:22px;background:var(--overlay-bg);border:0;color:var(--text);font-size:14px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s}.ref-close:hover{background:var(--shadow-color)}.app-layout>.status-bar{padding:0 16px;border-top:2px solid var(--rule);background:var(--bg);display:flex;gap:16px;font-size:11px;color:var(--text3);height:44px;flex-shrink:0;align-items:center;z-index:var(--z-status)}.status-bar .stat{display:inline-flex;align-items:center;gap:8px}.status-bar .stat-value{font-weight:700;color:var(--text);font-variant-numeric:tabular-nums}.status-bar .progress-bar{height:4px;background:var(--border);flex:1;min-width:40px}.status-bar .progress-fill{width:0;height:4px;background:var(--accent)}.status-bar #status-cut{white-space:nowrap}.status-bar .timer{font:800 15px/1"Archivo",system-ui,sans-serif;font-variant-numeric:tabular-nums;color:var(--text);margin-left:auto;padding:0;background:0 0;border:0}.menu-backdrop,.menu-panel{position:fixed;pointer-events:none}.menu-backdrop{inset:var(--chrome-h, var(--header-h))0 0 0;background:0 0;z-index:var(--z-backdrop)}.menu-backdrop.open,.menu-panel.open{pointer-events:auto}.menu-panel{top:0;bottom:0;width:380px;background:var(--surface);border-right:2px solid var(--rule);z-index:var(--z-flyout);display:flex;flex-direction:column;transition:transform .25s ease;overflow:hidden}.menu-panel.open{transform:translateX(0)}.menu-panel.expanded{width:100%;border-right:none}.menu-panel.expanded .gallery-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;padding:0 16px 16px}.menu-panel.expanded .gallery-item{aspect-ratio:4/3}.menu-panel.expanded .menu-section{display:none}.menu-header{display:flex;align-items:center;justify-content:space-between;padding:6px 8px 6px 16px;border-bottom:2px solid var(--rule);flex-shrink:0}.menu-header h2{font-size:18px;font-weight:800;letter-spacing:-.01em}.menu-close{background:0 0;border:0;color:var(--text3);font-size:24px;cursor:pointer;padding:0;line-height:1;transition:color .15s}.menu-close:hover{color:var(--text)}.menu-close:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.menu-header .menu-close{display:flex;align-items:center;justify-content:center;width:44px;height:44px;flex:0 0 auto}.source-tabs{display:flex;border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0}.source-tab{flex:1;height:44px;padding:0 8px;background:0 0;border:0;border-right:1px solid var(--border);color:var(--text3);font:700 11px/1"Archivo",system-ui,sans-serif;letter-spacing:.08em;cursor:pointer;transition:color .15s,box-shadow .15s;text-transform:uppercase;text-align:center;white-space:nowrap}.source-tab:last-child{border-right:0}.source-tab:hover{color:var(--text)}.source-tab:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.source-tab.active,.source-tab[aria-selected=true]{color:var(--text);box-shadow:inset 0-2px 0 var(--accent)}.source-panels{flex:1;display:flex;flex-direction:column;overflow:hidden;min-height:0}.source-panel{display:none;flex:1;overflow:auto;min-height:0}.source-panel.active{display:flex;flex-direction:column}.gallery-header{padding:8px 12px;flex-shrink:0;display:flex;gap:6px;align-items:center}.gallery-select{flex:1;min-width:0;background:var(--bg);border:1px solid var(--border);color:var(--text);font-family:inherit;font-size:11px;outline:0;cursor:pointer;transition:border-color .15s;appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23576088' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding:7px 28px 7px 10px}.gallery-select:focus{border-color:var(--accent)}.gallery-select.dimmed{opacity:.4}.gallery-random-btn{flex-shrink:0;padding:7px 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(pointer:coarse){.share-cancel,.share-go{height:48px}}.board.showcasing .ghost-piece,.board.showcasing .puzzle-piece{visibility:hidden}.app-layout[data-tier=xs]{--m-header-h:40px;--m-btn:36px;--m-icon:18px;--m-hgap:4px;--m-ft:28px;--m-ft-icon:15px;--m-ft-gap:5px;--m-status-h:18px;--m-status-fs:9px;--m-brand-fs:13px}.app-layout[data-tier=s]{--m-header-h:42px;--m-btn:36px;--m-icon:18px;--m-hgap:4px;--m-ft:30px;--m-ft-icon:16px;--m-ft-gap:6px;--m-status-h:20px;--m-status-fs:10px;--m-brand-fs:15px}.app-layout[data-tier=m]{--m-header-h:46px;--m-btn:38px;--m-icon:19px;--m-hgap:6px;--m-ft:32px;--m-ft-icon:17px;--m-ft-gap:7px;--m-status-h:22px;--m-status-fs:11px;--m-brand-fs:17px}.app-layout[data-tier=l]{--m-header-h:50px;--m-btn:40px;--m-icon:20px;--m-hgap:8px;--m-ft:34px;--m-ft-icon:18px;--m-ft-gap:8px;--m-status-h:24px;--m-status-fs:11px;--m-brand-fs:18px}.app-layout[data-tier]{--header-h:var(--m-header-h);padding:env(safe-area-inset-top,0) env(safe-area-inset-right,0) env(safe-area-inset-bottom,0) env(safe-area-inset-left,0)}.app-layout[data-tier].rotated{padding:env(safe-area-inset-right,0) env(safe-area-inset-bottom,0) env(safe-area-inset-left,0) env(safe-area-inset-top,0)}.app-layout[data-tier].rotated.flip{padding:env(safe-area-inset-left,0) env(safe-area-inset-top,0) env(safe-area-inset-right,0) env(safe-area-inset-bottom,0)}.app-layout[data-tier] .app-header{min-height:var(--m-header-h);padding:3px 6px;gap:var(--m-hgap)}.app-layout[data-tier] .app-header h1{font-size:var(--m-brand-fs)}.app-layout[data-tier] .header-nav{margin-left:0;gap:var(--m-hgap)}.app-layout[data-tier] .header-right{gap:var(--m-hgap)}.app-layout[data-tier] .header-btn,.app-layout[data-tier] .header-nav-btn{width:var(--m-btn);height:var(--m-btn);padding:0;min-width:var(--m-btn);min-height:var(--m-btn);justify-content:center}.app-layout[data-tier] .header-nav-btn{background:var(--surface2);border:1px solid var(--border)}.app-layout[data-tier] .header-btn svg,.app-layout[data-tier] .header-nav-btn svg{width:var(--m-icon);height:var(--m-icon)}.app-layout[data-tier] .header-btn--label{padding:0}.app-layout[data-tier] .header-nav-btn.cam-nav{background:color-mix(in srgb,var(--accent) 16%,transparent);border-color:color-mix(in srgb,var(--accent) 40%,transparent)}.app-layout[data-tier=s] .brand-text,.app-layout[data-tier=xs] .brand-text{display:none}.app-layout[data-tier=s] .brand,.app-layout[data-tier=xs] .brand{margin-left:2px;padding:3px 4px}.app-layout[data-tier] .brand-icon{width:28px;height:28px;margin-left:0}.app-layout[data-tier] .tool-row{height:calc(var(--m-ft) + 8px);overflow-x:auto;overflow-y:hidden;scrollbar-width:none}.app-layout[data-tier] .tool-cell{padding:0 10px;gap:6px;font-size:10px}.app-layout[data-tier] .tool-cell--end{margin-left:0}.app-layout[data-tier]>.status-bar{min-height:var(--m-status-h);font-size:var(--m-status-fs);padding:1px 8px}.app-layout[data-tier][data-play-layout=portrait] .menu-panel{left:0;right:0;top:auto;bottom:0;width:100%;height:62%;max-height:480px;border-right:0;border-top:1px solid var(--border);transform:translateY(110%)}.app-layout[data-tier][data-play-layout=portrait] .menu-panel.open{transform:translateY(0)}.app-layout[data-tier][data-play-layout=landscape] .menu-panel{left:0;right:auto;top:0;bottom:0;width:320px;height:auto;max-height:none;border-top:0;border-right:1px solid var(--border);transform:translateX(-100%)}.app-layout[data-tier=l][data-play-layout=landscape] .menu-panel{width:360px}.app-layout[data-tier][data-play-layout=landscape] .menu-panel.open{transform:translateX(0)}.app-layout[data-tier] .menu-panel.expanded{width:100%}.btn.splash-continue-tile{border-color:var(--accent);color:var(--accent)}#spa-upload-zone.upload-off{cursor:default;border-style:solid;border-color:var(--accent-a15);background:var(--accent-a5);text-align:center;padding:20px 16px;display:block}.upload-off-title{font-size:14px;font-weight:700;margin-bottom:6px}.upload-off-body{margin:0 0 12px;font-size:12.5px;line-height:1.5;color:var(--text2)}.upload-off-mail{display:inline-block;font-size:13px;font-weight:700;color:var(--accent);text-decoration:none;border-bottom:1px solid var(--accent-a30)}.upload-off-mail:hover{border-bottom-color:var(--accent)}.splash-legal{margin-top:18px;padding-top:12px;border-top:1px solid var(--border);text-align:left;font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text3)}.splash-legal a{color:var(--text3);text-decoration:none;border-bottom:1px solid transparent}.splash-legal a:hover{color:var(--text);border-bottom-color:var(--accent-a30)}.tab-bar,.tool-label-short{display:none}@media (max-width:768px){:root{--phone-tool-h:56px;--phone-tab-h:60px;--phone-status-h:40px;--phone-furniture:calc(var(--phone-tool-h) + var(--phone-tab-h) + var(--phone-status-h))}.app-layout:not(.rotated) .app-body{order:1}.app-layout:not(.rotated)>.tool-row{order:2}.app-layout:not(.rotated)>.tab-bar{order:3}.app-layout:not(.rotated)>.status-bar{order:4}.app-layout:not(.rotated) .header-nav-btn:not(.cam-nav),.app-layout:not(.rotated) .tool-grid #spa-btn-flip{display:none}.app-layout:not(.rotated) .tool-row.tool-grid{display:grid;grid-template-columns:repeat(6,1fr);height:var(--phone-tool-h);overflow:hidden;border-top:2px solid var(--rule);border-bottom:0}.app-layout:not(.rotated) .tool-grid .tool-cell{flex-direction:column;justify-content:center;gap:3px;padding:0 2px;min-width:44px;min-height:44px;font-size:9.5px;letter-spacing:.06em;border-right:1px solid var(--border)}.app-layout:not(.rotated) .tool-grid .tool-cell:last-child{border-right:0}.app-layout:not(.rotated) .tool-grid .tool-cell--end{margin-left:0;border-left:0}.app-layout:not(.rotated) .tool-grid .tool-label-long{display:none}.app-layout:not(.rotated) .tool-grid .tool-label-short{display:inline}.app-layout:not(.rotated)>.status-bar.status-strip{height:var(--phone-status-h);min-height:var(--phone-status-h);padding:0 12px;gap:12px;font-size:10px}.status-strip .timer{font-size:14px}.app-layout:not(.rotated) .tab-bar{display:grid;grid-template-columns:repeat(3,1fr);height:var(--phone-tab-h);flex-shrink:0;background:var(--bg);border-top:2px solid var(--rule)}.tab-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:0;min-height:44px;background:0 0;border:0;cursor:pointer;color:var(--text3);font:700 9.5px/1"Archivo",system-ui,sans-serif;letter-spacing:.08em;text-transform:uppercase;transition:color .15s ease-out,background .15s ease-out}.tab-btn.active{color:var(--text);box-shadow:inset 0 3px 0 var(--accent)}.tab-btn:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}}