.background-music-controls{--music-accent:var(--forest-accent,#286b59);--music-track:var(--forest-line,#dce8e0);--music-muted:var(--forest-muted,#7c9286);border:1px solid var(--forest-line,#dbe6de);background:var(--forest-paper,#fff);width:300px;max-width:100%;color:var(--forest-ink,#1c3037);border-radius:17px;flex-direction:column;gap:8px;padding:14px 16px 8px;font-family:LandingPretendard,system-ui,sans-serif;display:flex;box-shadow:0 6px 22px #1c4d3d09}.background-music-heading{justify-content:space-between;align-items:center;gap:12px;display:flex}.background-music-title{align-items:center;gap:10px;display:flex}.background-music-icon{background:var(--forest-tint,#eaf3eb);color:var(--forest-accent,#2b6552);border-radius:11px;padding:9px;display:flex}.background-music-icon svg{width:20px;height:20px}.background-music-title strong{font-size:13px;font-weight:700;line-height:1.4;display:block}.background-music-title small{color:var(--music-muted);margin-top:3px;font-size:10px;line-height:1.5;display:block}.background-music-button{cursor:pointer;background:0 0;border:0;border-radius:14px;flex-shrink:0;justify-content:center;align-items:center;width:44px;min-width:44px;height:44px;padding:0;display:flex;position:relative}.background-music-button:before{content:"";background:var(--music-accent);border-radius:30px;width:42px;height:24px;position:absolute}.background-music-switch-knob{background:var(--forest-paper,#fff);border-radius:50%;width:18px;height:18px;transition:left .15s;position:absolute;left:23px;box-shadow:0 1px 4px #0002}.background-music-button[aria-pressed=false]:before{background:var(--forest-muted,#96a99e)}.background-music-button[aria-pressed=false] .background-music-switch-knob{left:3px}.background-music-button:focus-visible{outline:2px solid var(--music-accent);outline-offset:2px}.background-music-volume{color:var(--music-accent);align-items:center;gap:11px;font-size:12px;display:flex}.background-music-volume>svg{width:17px;height:17px;color:var(--music-muted);flex-shrink:0}.background-music-volume input{appearance:none;cursor:pointer;background-color:#0000;background-position:50%;background-repeat:no-repeat;background-size:100% 5px;border:0;flex:1;width:100%;min-width:0;height:36px;margin:0;padding:0}.background-music-volume input::-webkit-slider-thumb{appearance:none;background:var(--music-accent);border-radius:50%;width:16px;height:16px;box-shadow:0 0 0 4px #286b5910}.background-music-volume input::-moz-range-thumb{background:var(--music-accent);border:0;border-radius:50%;width:16px;height:16px}.background-music-volume input:focus-visible{outline:2px solid var(--music-accent);outline-offset:2px;border-radius:4px}.background-music-percent{text-align:right;font-variant-numeric:tabular-nums;min-width:43px;font-weight:700}.dark .hub-header .background-music-controls{--music-accent:var(--forest-accent,#7bdcbd);--music-track:var(--forest-line,#34483e);--music-muted:var(--forest-muted,#a3b8ad);background:var(--forest-paper,#10231e);border-color:var(--forest-line,#345347);color:var(--forest-ink,#e7f5ed)}.dark .hub-header .background-music-icon{background:var(--forest-tint,#203c30);color:var(--forest-accent,#a9e8cc)}.intro-landing .header-actions{align-items:center;gap:12px;display:flex}@media (width<=700px){.intro-landing .shell .header{grid-template-columns:minmax(0,1fr) auto;gap:10px;display:grid}.intro-landing .header-actions{display:contents}.intro-landing .background-music-controls{grid-area:2/1/auto/-1}.intro-landing .qr-trigger{grid-area:1/2}}@media (prefers-reduced-motion:reduce){.background-music-switch-knob{transition:none}}:is(.hub-header,.intro-landing) .background-music-controls{width:244px;height:44px;box-shadow:none;border-radius:24px;flex-direction:row;gap:8px;padding:0 10px}:is(.hub-header,.intro-landing) .background-music-heading{display:contents}:is(.hub-header,.intro-landing) .background-music-title{flex-shrink:0;gap:5px}:is(.hub-header,.intro-landing) .background-music-icon{background:0 0;border-radius:0;padding:0}:is(.hub-header,.intro-landing) .background-music-icon svg{width:16px;height:16px}:is(.hub-header,.intro-landing) .background-music-title strong{white-space:nowrap;font-size:11px}:is(.hub-header,.intro-landing) .background-music-title small{display:none}:is(.hub-header,.intro-landing) .background-music-button{width:32px;min-width:32px}:is(.hub-header,.intro-landing) .background-music-button:before{width:32px;height:18px}:is(.hub-header,.intro-landing) .background-music-switch-knob{width:14px;height:14px;left:17px}:is(.hub-header,.intro-landing) .background-music-button[aria-pressed=false] .background-music-switch-knob{left:2px}:is(.hub-header,.intro-landing) .background-music-volume{flex:1;gap:6px;min-width:0;font-size:10px}:is(.hub-header,.intro-landing) .background-music-volume>svg{display:none}:is(.hub-header,.intro-landing) .background-music-percent{min-width:35px}.dark :is(.hub-header,.intro-landing) .background-music-icon{background:0 0}.share-control{position:relative}.share-feedback{pointer-events:none}.share-feedback input{pointer-events:auto}.share-feedback .share-dismiss{pointer-events:auto;float:right;color:inherit;font:inherit;cursor:pointer;background:0 0;border:0;border-radius:5px;min-height:32px;padding:4px 8px;font-weight:700}.hub-header-actions .share-trigger{white-space:nowrap;min-height:44px}.hub-header-actions .share-trigger svg{width:16px;height:16px}.hub-header-actions .share-trigger:disabled{opacity:.65;cursor:wait}:is(.hub-header-actions,.header-utilities) .share-feedback:not(:empty){z-index:30;border:1px solid var(--forest-line,#ced1c3);background:var(--forest-paper,#fffefa);width:min(260px,100vw - 32px);color:var(--forest-ink,#303d35);border-radius:10px;padding:12px;font-size:12px;line-height:1.6;position:absolute;top:calc(100% + 10px);right:0;box-shadow:0 5px 20px #0003}:is(.hub-header-actions,.header-utilities) .share-feedback input{border:1px solid var(--forest-line,#ced1c3);width:100%;font:inherit;background:var(--forest-paper,#fffefa);color:var(--forest-ink,#303d35);border-radius:5px;margin-top:8px;padding:8px}.share-feedback p{margin:0}.hub-qr-share{align-items:center;gap:6px;display:flex}@media (width<=640px),(height<=500px){.intro-landing .share-control .share-feedback:not(:empty),:is(.hub-header-actions,.header-utilities) .share-control .share-feedback:not(:empty){top:auto;left:16px;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:60;pointer-events:none;width:auto;max-width:360px;margin-left:auto;position:fixed}.share-feedback input{pointer-events:auto}}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-nav{flex-wrap:wrap;justify-content:flex-end;gap:20px}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-utilities.header-tools,:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-help{align-items:center;gap:10px;display:flex}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-utilities.header-tools>button,:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-utilities.header-tools .share-trigger,:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .home-tools>summary{background:var(--forest-paper,#fffefa);border:1px solid var(--forest-line,#dedfd2);width:auto;height:auto;min-height:46px;color:var(--ink);white-space:nowrap;border-radius:15px;justify-content:center;align-items:center;gap:8px;padding:11px 16px;font-size:14px;font-weight:700;line-height:1.5;display:flex;box-shadow:0 2px 3px #333f3704}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-utilities.header-tools svg,:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-help svg{flex:none;width:18px;height:18px}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-utilities.header-tools .app-install-trigger{background:var(--forest-action,#566d4d);color:var(--forest-on,#fff);border-color:var(--forest-line,#576c50)}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-utilities.header-tools button:hover,:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .home-tools>summary:hover{filter:brightness(.96)}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-utilities.header-tools button:disabled{opacity:.65;cursor:default}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-help{gap:16px;font-size:13px}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-help button{border:0;align-items:center;gap:7px;min-height:44px;padding:8px 0;font-size:13px;display:flex}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .tools-panel{top:56px}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .install-backdrop{z-index:100;background:var(--forest-overlay);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .install-dialog{background:var(--forest-elevated,#fffefa);border:1px solid var(--line);width:100%;max-width:480px;max-height:calc(100dvh - 40px);box-shadow:0 25px 80px var(--forest-shadow);border-radius:26px;padding:32px;position:relative;overflow:auto}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .install-dialog h2{letter-spacing:-.8px;margin:18px 0 12px;font-size:24px}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .install-dialog p{font-size:14px;line-height:1.7}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .install-dialog ul{color:var(--muted);gap:14px;margin:22px 0;padding:0;font-size:14px;line-height:1.7;list-style:none;display:grid}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .install-dialog li{background:var(--forest-tint,#f1f4ea);border-radius:13px;padding:12px 15px}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .install-dialog strong{color:var(--ink)}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .install-close{background:var(--forest-tint,#f0ede3);width:44px;height:44px;color:var(--ink);border:0;border-radius:50%;place-items:center;display:grid;position:absolute;top:16px;right:16px}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .install-icon{width:30px;height:30px;color:var(--accent)}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .install-confirm{background:var(--forest-action);width:100%;min-height:48px;color:var(--forest-on,white);border:0;border-radius:14px;margin-top:22px;font-weight:700}@media (width<=1000px){:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) header{flex-wrap:wrap}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-nav{gap:12px 20px}}@media (width<=760px){:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-nav{justify-content:space-between;gap:10px;width:100%}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-utilities.header-tools{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;width:100%;display:grid}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-utilities.header-tools .share-trigger,:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-utilities.header-tools>button,:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .home-tools>summary{gap:6px;width:100%;padding:12px 5px;font-size:13px}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-help{justify-content:flex-end;width:100%}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .install-dialog{padding:26px 22px}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .tools-panel{top:185px}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-utilities.header-tools .share-control{min-width:0}}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-tools{--ink:var(--forest-ink,#303d35);--line:var(--forest-line,#ced1c3);--accent:var(--forest-accent,#566d4d);--muted:var(--forest-muted,#626b60)}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-tools .home-tools{background:0 0;border:0;border-radius:0;margin:0;padding:0;position:relative}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-tools summary{cursor:pointer;list-style:none}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-tools summary::-webkit-details-marker{display:none}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-tools button{font:inherit;cursor:pointer}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-tools .tools-panel{border:1px solid var(--line);background:var(--forest-elevated,#fffefa);width:min(360px,100vw - 40px);box-shadow:0 14px 40px var(--forest-shadow);z-index:20;border-radius:20px;gap:16px;padding:20px;display:grid;position:absolute;top:56px;right:0}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-tools .background-music-controls{width:100%;font-family:inherit}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-tools .background-music-button{background:0 0;border:0;border-radius:14px;width:44px;min-width:44px;height:44px;min-height:44px;padding:0}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-tools .background-music-volume{margin:0;font-size:12px;display:flex}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-tools .background-music-volume input{background-color:#0000;background-position:50%;background-repeat:no-repeat;background-size:100% 5px;border:0;border-radius:0;height:36px;min-height:36px;margin:0;padding:0}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-tools .background-music-title strong{font-size:13px}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-tools .install-close{width:44px;height:44px;min-height:44px;padding:0}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-tools .install-confirm{background:var(--forest-action);width:100%;height:auto;min-height:48px;color:var(--forest-on,white);border:0;border-radius:14px;padding:12px 18px}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-tools .install-dialog p{margin:0}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-tools .install-dialog h2{margin:18px 0 12px}.flow.lesson-shell .lesson-wrap .lesson-header{flex-wrap:wrap}.flow.lesson-shell .lesson-header .lesson-header-actions{flex-wrap:wrap;align-items:center;gap:20px;display:flex}.flow.lesson-shell .lesson-header .lesson-home-link{align-items:center;min-height:44px;font-size:13px;display:inline-flex}@media (width<=760px){:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-tools .tools-panel{width:auto;max-height:calc(100dvh - 205px);position:fixed;top:185px;left:20px;right:20px;overflow:auto}.flow.lesson-shell .lesson-header .lesson-header-actions{justify-content:flex-end;gap:10px;width:100%}}.flow.activity-tools-scope .activity-header-actions{flex-wrap:wrap;align-items:center;gap:20px;display:flex}.flow.activity-tools-scope .activity-header-actions>a{align-items:center;min-height:44px;display:inline-flex}.game-tools-scope{--ink:var(--forest-ink,#303d35);--line:var(--forest-line,#ced1c3);--accent:var(--forest-accent,#566d4d);--muted:var(--forest-muted,#626b60)}.game-utilities-bar{box-sizing:border-box;z-index:11000;background:var(--forest-bg,#fbf8f2);height:68px;color:var(--forest-ink,#333f37);border-bottom:1px solid var(--forest-line,#e0dfd3);justify-content:flex-end;align-items:center;padding:10px 18px;font-family:GamePretendard,system-ui,sans-serif;display:flex;position:fixed;inset:0 0 auto}.game-utilities-bar>.header-tools{max-width:1100px}.game-tools-scope .header-tools :is(button,summary):focus-visible{outline:3px solid var(--forest-accent,#576c50);outline-offset:4px}.game-tools-scope .header-tools .install-dialog h2{font-weight:700;line-height:1.4}@media (width<=760px){.flow.activity-tools-scope .activity-header-actions{justify-content:flex-end;gap:10px;width:100%}.game-tools-scope.game-tools-layout .game-utilities-bar .header-tools .tools-panel{max-height:calc(100dvh - 100px);top:80px}.game-utilities-bar{padding:10px 12px}}@font-face{font-family:HeaderPretendard;src:url(/fonts/Pretendard-Regular.woff2)format("woff2");font-weight:400;font-display:swap}@font-face{font-family:HeaderPretendard;src:url(/fonts/Pretendard-Bold.woff2)format("woff2");font-weight:700 900;font-display:swap}:is(.unified-home,.flow.lesson-shell,.flow.activity-tools-scope,.game-tools-scope,.teacher-ai.studio-tools-scope,.header-icon-scope) .header-tools{font-family:HeaderPretendard,system-ui,sans-serif}html[data-design=forest] body .icon-toolbar.header-icon-scope[aria-label]{color:var(--forest-ink);font-family:var(--forest-sans);flex:none;grid-template-columns:repeat(6,44px);justify-content:end;place-items:center;gap:8px;width:auto;margin:0;display:grid}html[data-design=forest] body .icon-toolbar.header-icon-scope[aria-label] .header-utilities.header-tools{display:contents}html[data-design=forest] body .icon-toolbar.header-icon-scope[aria-label] :is(.home-tools,.share-control){width:44px;min-width:0}html[data-design=forest] body .icon-toolbar.header-icon-scope[aria-label] :is(.music-trigger,.share-trigger,.app-install-trigger,.icon-toolbar-action){border:1px solid var(--forest-line);white-space:nowrap;width:44px;min-width:44px;height:44px;min-height:44px;color:var(--forest-ink);box-shadow:none;cursor:pointer;background:0 0;border-radius:50%;justify-content:center;align-items:center;gap:0;margin:0;padding:0;line-height:1;text-decoration:none;display:flex}html[data-design=forest] body .icon-toolbar.header-icon-scope[aria-label] .app-install-trigger{background:var(--forest-action);color:var(--forest-on);border-color:var(--forest-accent)}html[data-design=forest] body .icon-toolbar.header-icon-scope[aria-label] :is(.music-trigger,.share-trigger,.app-install-trigger,.icon-toolbar-action)>span{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}html[data-design=forest] body .icon-toolbar.header-icon-scope[aria-label] :is(.music-trigger,.share-trigger,.app-install-trigger,.icon-toolbar-action)>svg{flex:none;width:20px;height:20px}html[data-design=forest] body .icon-toolbar.header-icon-scope[aria-label] :is(button,summary,a):focus-visible{outline:3px solid var(--forest-accent);outline-offset:3px}html[data-design=forest] body .icon-toolbar .icon-toolbar-action[aria-pressed=true]{background:var(--forest-tint);border-color:var(--forest-accent)}@media (width<=760px){html[data-design=forest] body :is(header,.hub-header-row):has(>.icon-toolbar){flex-wrap:wrap;gap:16px}html[data-design=forest] body .icon-toolbar.header-icon-scope[aria-label]{grid-template-columns:repeat(6,minmax(44px,1fr));gap:2px;width:100%}}@media (width<=360px){html[data-design=forest] body .icon-toolbar.header-icon-scope[aria-label]{gap:1px}}html[data-design=forest] body :is(.header-popup-layer,.header-modal-layer){--ink:var(--forest-ink);--muted:var(--forest-muted);--line:var(--forest-line);--accent:var(--forest-accent);font-family:var(--forest-sans);color:var(--forest-ink);font-size:14px;line-height:1.6}html[data-design=forest] body .header-popup-layer{z-index:30000;box-sizing:border-box;overscroll-behavior:contain;overflow-wrap:anywhere;border:1px solid var(--forest-line);background:var(--forest-elevated);box-shadow:0 14px 40px var(--forest-shadow);border-radius:20px;padding:16px;position:fixed;overflow:auto}html[data-design=forest] body .header-popup-layer *{box-sizing:border-box}html[data-design=forest] body .header-popup-heading{justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px;display:flex}html[data-design=forest] body .header-popup-heading>strong{font-size:15px}html[data-design=forest] body .header-popup-layer .header-popup-close{background:var(--forest-tint);width:44px;min-width:44px;height:44px;min-height:44px;color:var(--forest-ink);cursor:pointer;border:0;border-radius:50%;place-items:center;padding:0;display:grid}html[data-design=forest] body .header-popup-close>svg{width:20px;height:20px}html[data-design=forest] body .header-music-popover .background-music-controls{width:100%;min-width:0}html[data-design=forest] body .header-music-popover .background-music-volume input{height:44px}html[data-design=forest] body .header-popup-layer input[readonly]{border:1px solid var(--forest-line);background:var(--forest-paper);width:100%;min-width:0;min-height:44px;color:var(--forest-ink);font:inherit;border-radius:10px;margin-top:12px;padding:10px}html[data-design=forest] body .header-share-feedback p{margin:0}html[data-design=forest] body .header-board-popover>button{width:100%;min-height:44px;color:inherit;text-align:left;font:inherit;cursor:pointer;background:0 0;border:0;align-items:center;gap:10px;padding:10px;display:flex}html[data-design=forest] body .header-board-popover>button>svg{flex:none;width:20px;height:20px}html[data-design=forest] body .header-modal-layer .install-backdrop{z-index:30010;padding:max(16px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}html[data-design=forest] body .header-modal-layer .install-dialog{box-sizing:border-box;overscroll-behavior:contain;overflow-wrap:anywhere;max-height:calc(100dvh - 32px);overflow-x:hidden}html[data-design=forest] body .header-modal-layer .install-heading{z-index:1;background:var(--forest-elevated);justify-content:space-between;align-items:center;gap:16px;display:flex;position:sticky;top:0}html[data-design=forest] body .header-modal-layer .install-close{min-width:44px;min-height:44px;padding:0;position:static}html[data-design=forest] body .header-modal-layer .install-close>svg{width:20px;height:20px}html[data-design=forest] body .header-modal-layer .install-dialog *{box-sizing:border-box}