.act-map-home{max-width:1440px;margin-inline:auto;padding:24px 36px 20px}.act-map-overview{--act-mint: #55e5b7;--act-muted: #91a2bd}.act-map-topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:14px}.act-map-identity{display:flex;align-items:center;gap:14px}.act-map-logo{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#b4e321,#00bf8b 55%,#009a96);color:#fff;font-size:26px}.act-map-identity h1{margin:0;font-size:17px;line-height:1.3;font-weight:750}.act-map-identity p{margin-top:2px;color:var(--act-muted);font-size:11px}.act-map-stats{display:flex;gap:24px;color:var(--act-muted);font-size:11px}.act-map-stats strong{margin-right:5px;color:#d6e0ef;font-size:13px;font-weight:650}.act-map-stats span:first-child strong{color:#f4cf66}.act-map-overview button:focus-visible,.act-map-overview summary:focus-visible,.act-map-overview a:focus-visible{outline:3px solid #80e6f4;outline-offset:4px}.act-map-overview button{cursor:pointer}.act-map-overview button:disabled{cursor:not-allowed}.act-map-options{position:relative;z-index:20}.act-map-options summary{display:grid;place-items:center;width:46px;min-height:44px;border:1px solid #33445f;border-radius:9px;background:#0c172a;font-size:19px;letter-spacing:2px;list-style:none;cursor:pointer}.act-map-options summary::-webkit-details-marker{display:none}.act-map-options-panel{position:absolute;top:calc(100% + 8px);right:0;display:grid;min-width:180px;padding:8px;border:1px solid #435773;border-radius:12px;background:#0c172a;box-shadow:0 15px 40px #0008}.act-map-options-panel>*{min-height:44px;padding:12px;border-radius:7px;text-align:left;font-size:13px}.act-map-options-panel button{color:#ffc6d5}.act-map-options-panel>*:hover{background:#1c2b43}.act-island-canvas,.act-world-canvas{position:relative;isolation:isolate;overflow:hidden;border:1px solid #344065;border-radius:24px;background:linear-gradient(130deg,#104467,#201b49 55%,#080d21)}.act-island-canvas{height:max(550px,calc(100svh - 220px))}.act-island-canvas:before,.act-world-canvas:before{content:"";position:absolute;inset:0;z-index:-1;opacity:.28;background-image:radial-gradient(#acc5e0 .8px,transparent .8px);background-size:24px 24px;pointer-events:none}.act-island-canvas:after{content:"";position:absolute;inset:13% 3% 10% 40%;z-index:-1;border:1px solid #93b7ef0b;border-radius:50%;box-shadow:0 0 0 40px #93b7ef04,0 0 0 80px #93b7ef03;transform:rotate(-25deg);pointer-events:none}.act-map-caption{position:absolute;top:26px;left:28px;right:200px}.act-map-back{min-height:32px;color:#80e6f4;font-size:12px}.act-map-caption h2,.act-world-heading h2{margin:8px 0 0;font-size:clamp(24px,2.3vw,32px);line-height:1.2;font-weight:750;letter-spacing:-.7px}.act-map-caption p{margin-top:7px;color:#a0bbd5;font-size:12px}.act-canvas-world-progress{position:absolute;top:32px;right:30px}.act-map-progress{width:150px}.act-map-progress p{display:flex;justify-content:space-between;gap:14px;margin:0 0 9px;font-size:11px}.act-map-progress strong{color:var(--act-mint);white-space:nowrap}.act-map-bar{height:5px;overflow:hidden;border-radius:10px;background:#243047}.act-map-bar i{display:block;height:100%;border-radius:inherit;background:var(--act-mint)}.act-island-trail{position:absolute;inset:151px 26px 113px}.act-trail-path{position:absolute;width:100%;height:100%;overflow:visible}.act-trail-path path{fill:none;stroke:#a9b5dd66;stroke-width:.65;stroke-dasharray:.8 1.7}.act-stage-node{position:absolute;display:grid;place-items:center;width:50px;height:50px;padding:0;transform:translate(-50%,-50%);border:2px solid #c5f7ff;border-radius:50%;background:#06b6d4;color:#031725;font-size:17px;font-weight:750}.act-stage-node:not(:disabled):hover{filter:brightness(1.15)}.act-stage-node.is-complete{border-color:#83f1c5;background:#00bc8b;color:#032b29}.act-stage-node.is-current{box-shadow:0 0 0 7px #28d5ee15}.act-stage-node.is-locked{border-color:#5485a1;background:#126281;color:#7ea4ba;opacity:.65}.act-stage-node>svg{width:17px;height:17px}.act-stage-label{position:absolute;top:59px;color:#b7cbe0;font-size:10px;font-weight:500;white-space:nowrap}.act-stage-node.is-current .act-stage-label{color:#c5f7ff;font-weight:650}.act-next-flag{position:absolute;bottom:64px;padding:5px 9px;border-radius:5px;background:#d4f7fa;color:#113043;font-size:9px;letter-spacing:.09em;text-transform:uppercase;white-space:nowrap}.act-map-dock{position:absolute;bottom:22px;left:24px;right:24px;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:15px 19px;border:1px solid #50627d;border-radius:15px;background:#081326ed}.act-map-secondary{min-height:44px;padding:9px 13px;border:1px solid #33445f;border-radius:9px;font-size:12px}.act-map-primary{min-height:44px;padding:12px 19px;border-radius:10px;background:var(--act-mint);color:#04251f;font-size:13px;font-weight:750}.act-map-primary span{margin-left:26px}.act-map-primary:disabled{opacity:.5}.act-map-footline{display:flex;justify-content:space-between;gap:16px;margin-top:12px;color:#8b9ab4;font-size:10px}.act-world-canvas{padding:26px}.act-world-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}.act-map-eyebrow{color:#80e6f4;font-size:10px;font-weight:750;text-transform:uppercase;letter-spacing:.16em}.act-world-ocean{background:#050f2438}.act-world-instruction{margin-bottom:14px;font-size:12px;color:#a0bbd5}.act-world-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.act-world-island{position:relative;display:flex;flex-direction:column;align-items:center;min-width:0;padding:10px 6px 28px;border:1px solid transparent;border-radius:20px;text-align:center}.act-world-island.is-recent{border-color:#74b8df70;background:#1a436028}.act-world-island-button{position:relative;width:100%;max-width:205px;padding-bottom:15px}.act-world-island-art{display:block;width:100%;height:auto;filter:drop-shadow(0 10px 10px #02061740)}.act-world-island-symbol{position:absolute;inset:25% 0 auto;color:#071b2b;font-size:clamp(24px,2.2vw,34px);font-weight:850}.act-world-island-action{position:absolute;bottom:0;left:50%;transform:translate(-50%);padding:4px 8px;border:1px solid #ffffff26;border-radius:20px;background:#081226;color:#fff;font-size:10px;font-weight:700;white-space:nowrap}.act-world-island h3{margin-top:10px;font-size:14px;font-weight:750;line-height:1.35}.act-world-island-subtitle{margin-top:5px;font-size:10px;color:#a0bbd5}.act-world-island-progress{margin-top:8px;font-size:11px;font-weight:750}.act-world-recent-label{position:absolute;bottom:7px;font-size:9px;color:#bcece7}@media(min-width:761px)and (max-width:1199px){.act-world-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:760px){.act-world-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 8px}.act-world-island{padding:8px 3px 26px;border-radius:17px}.act-world-island h3{font-size:11px}.act-world-island-subtitle{font-size:9px}.act-world-island-action{font-size:9px;padding:3px 6px}.act-world-island-progress,.act-world-instruction{font-size:10px}}@media(max-width:760px){.act-map-home{padding:16px 14px}.act-map-topbar{gap:14px}.act-map-identity{gap:9px}.act-map-logo{width:32px;height:32px;font-size:22px}.act-map-identity h1{font-size:15px}.act-map-stats{gap:0;margin-left:auto}.act-map-stats span:nth-child(n+2){display:none}.act-map-options summary{width:42px}.act-island-canvas{height:max(560px,calc(100svh - 200px));border-radius:20px}.act-map-caption{top:18px;left:18px;right:18px}.act-map-caption h2{max-width:280px;font-size:26px}.act-canvas-world-progress{display:none}.act-island-trail{inset:180px 14px 155px}.act-stage-node{width:44px;height:44px;font-size:14px}.act-stage-label,.act-next-flag{display:none}.act-map-dock{bottom:12px;left:12px;right:12px;display:grid;grid-template-columns:1fr auto;gap:12px;padding:12px}.act-map-dock .act-map-progress{width:120px}.act-map-dock .act-map-primary{grid-column:1 / -1}.act-map-secondary{padding-inline:10px;font-size:11px}.act-map-footline{font-size:9px}.act-map-footline p:last-child{text-align:right}.act-world-canvas{padding:18px 14px;border-radius:20px}.act-world-heading{flex-wrap:wrap;gap:18px}.act-world-heading .act-map-progress{width:100%}}@media(max-width:359px){.act-map-identity .act-map-logo{display:none}.act-map-dock{gap:8px;padding:10px}.act-map-dock .act-map-progress{width:108px}}.act-world-resume-slot{height:44px}.act-world-resume{min-height:44px;padding:10px 20px;border:0;border-radius:12px;background:#55e5b7;color:#031725;font-weight:800}.act-world-scroll-hint{display:none}@media(min-width:761px){.act-world-canvas{height:max(550px,calc(100svh - 220px));padding:16px 20px;display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:38px 44px minmax(0,1fr);gap:8px 16px}.act-world-heading{grid-column:1 / -1;margin:0}.act-world-heading .act-map-eyebrow{display:none}.act-world-heading h2{margin:0;font-size:30px}.act-world-instruction{grid-column:2;grid-row:2;align-self:center;margin:0}.act-world-resume-slot{grid-column:1;grid-row:2}.act-world-ocean{grid-column:1 / -1;grid-row:3;min-height:0;background:transparent}.act-world-grid{height:100%;grid-template-columns:repeat(5,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr));gap:10px 16px}.act-world-island{min-height:0;padding:0 4px 14px;justify-content:center}.act-world-island-button{flex:none;height:132px;max-width:220px;padding-bottom:22px}.act-world-island-art{height:110px;object-fit:contain}.act-world-island h3{font-size:13px;margin-top:4px}.act-world-island-subtitle{font-size:10px;margin-top:3px}.act-world-island-progress{font-size:11px;margin-top:4px}.act-world-island-action{padding:2px 7px}.act-world-recent-label{bottom:0}}@media(min-width:761px)and (max-width:1050px){.act-world-canvas{padding:14px 12px;gap:8px}.act-world-instruction{font-size:10px}.act-world-resume{font-size:12px;padding-inline:10px}.act-world-grid{gap:10px 5px}.act-world-island h3{font-size:11px}.act-world-island-subtitle{font-size:9px}.act-world-island-button{height:117px}.act-world-island-art{height:95px}}@media(max-width:760px){.act-world-canvas{height:max(560px,calc(100svh - 200px));padding:12px 10px;display:flex;flex-direction:column}.act-world-heading{flex:none;margin-bottom:7px}.act-world-heading .act-map-eyebrow,.act-world-heading .act-map-progress{display:none}.act-world-heading h2{font-size:21px;margin:0}.act-world-instruction{flex:none;font-size:11px;margin-bottom:7px}.act-world-resume-slot{flex:none;margin-bottom:8px}.act-world-resume{width:100%;font-size:12px;padding:7px 8px}.act-world-ocean{flex:1;min-height:0;background:transparent;overflow:hidden}.act-world-grid{height:100%;grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:calc((100% - 10px)/2);gap:10px 8px;overflow-y:auto;overscroll-behavior-y:contain;scrollbar-width:thin;scrollbar-color:#64839e transparent}.act-world-island{min-height:0;padding:8px 4px 20px;border-radius:16px;justify-content:center}.act-world-island-button{flex:1;min-height:60px;max-height:165px;padding-bottom:22px}.act-world-island-art{height:100%;object-fit:contain}.act-world-island h3{flex:none;font-size:13px;line-height:1.25;margin-top:7px}.act-world-island-subtitle{flex:none;font-size:10px;margin-top:5px}.act-world-island-progress{flex:none;font-size:12px;margin-top:7px}.act-world-island-action{font-size:10px;padding:3px 7px}.act-world-recent-label{bottom:4px}.act-world-scroll-hint{display:block;flex:none;text-align:center;font-size:11px;color:#b0c8de;margin-top:4px}}[data-quantum-playing=true]{min-height:0}[data-quantum-playing=true] .game-playing{max-width:1320px;padding-block:24px}[data-quantum-playing=true] .game-scene{grid-template-columns:minmax(0,1fr);align-items:start}[data-quantum-playing=true] .game-scene>div{min-width:0;order:2}[data-quantum-playing=true] .game-mission{position:static;order:1;display:block;padding:20px}[data-quantum-playing=true] .mission-label{display:block;margin-bottom:12px}[data-quantum-playing=true] .game-mission h2{margin-bottom:16px}[data-quantum-playing=true] .mission-hint{margin-top:12px}[data-quantum-playing=true] .mission-hint>button{min-height:44px}[data-quantum-playing=true] .game-workpads button>span>span{display:block}.quantum-calculator-body{display:grid;gap:0 16px}.quantum-display-column{min-width:0}.quantum-display{display:flex;flex-direction:column;border-width:2px}.quantum-preview{flex:1}.quantum-display input{font-size:clamp(14px,1.1vw,18px)}.quantum-keypad>div{gap:6px}body:has([data-quantum-playing=true]) footer>div{max-width:1320px;padding-block:20px}@media(max-width:1199px){body:has([data-quantum-playing=true]) nav[data-home]{position:relative;flex-wrap:wrap;gap:12px}body:has([data-quantum-playing=true]) .nav-context{flex-wrap:wrap;width:100%}body:has([data-quantum-playing=true]) .nav-context>button,body:has([data-quantum-playing=true]) .nav-context>a{display:none}body:has([data-quantum-playing=true]) .nav-links{display:flex;flex-wrap:wrap;gap:12px 24px}body:has([data-quantum-playing=true]) .nav-game-title{display:block;border:0;padding:0}body:has([data-quantum-playing=true]) .nav-account{margin-left:auto}body:has([data-quantum-playing=true]) .home-auth-actions>span{display:flex;white-space:nowrap}}@media(min-width:640px){.quantum-calculator-body{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr)}.quantum-display{min-height:280px}[data-quantum-playing=true] .game-playing{padding-block:16px}}.quantum-mode-switch{display:flex;gap:4px;padding:3px;border-radius:9px;background:#0f172a;font-size:11px;font-weight:700}.quantum-mode-switch button{min-height:32px;flex:1;border-radius:7px}.quantum-mode-switch button[aria-pressed=true]{color:#cffafe;background:#345367}.quantum-mode-switch{margin-top:8px}.quantum-page-status{min-height:20px;padding-block:2px;color:#94a3b8;font-size:10px;line-height:16px;text-align:center}.quantum-desktop-keys{display:grid;height:244px;grid-template-columns:repeat(5,minmax(0,1fr));grid-template-rows:repeat(5,minmax(0,1fr))}.quantum-desktop-keys.quantum-scientific{grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:repeat(4,minmax(0,1fr))}.quantum-desktop-keys button{min-width:0;border-radius:8px;border-bottom:4px solid #020617;background:#334155;color:#a5f3fc;font:700 18px ui-monospace,monospace}.quantum-desktop-keys button.quantum-digit{background:#f1f5f9;color:#020617}.quantum-keypad button.quantum-page-arrow{color:#a5b4fc;background:#293750}.quantum-keypad button.quantum-page-arrow:disabled{opacity:.4}.quantum-keypad button.quantum-mod{background:#304957;box-shadow:inset 0 0 0 1px #5e98a5}.quantum-mobile-keys,.quantum-mobile-label,.game-mobile-back{display:none}.quantum-actions,.mission-content{display:contents}@media(max-width:639px){body:has([data-quantum-playing=true]) nav[data-home]{display:none}[data-quantum-playing=true] .game-playing{padding:6px 10px}[data-quantum-playing=true] .game-playing>header{min-height:32px}[data-quantum-playing=true] .game-back-button{display:grid;place-items:center;min-width:44px;min-height:44px}[data-quantum-playing=true] .game-back-label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}[data-quantum-playing=true] .game-mobile-back{display:inline;font-size:20px;line-height:1}[data-quantum-playing=true] .game-stage-island,[data-quantum-playing=true] .game-stage-streak{display:none}[data-quantum-playing=true] .game-playing>header+div{margin-top:4px}[data-quantum-playing=true] .game-scene{margin-top:6px;gap:6px}[data-quantum-playing=true] .game-mission{display:contents}[data-quantum-playing=true] .mission-content{display:grid;order:1;gap:6px;min-width:0;border:1px solid #ffffff1a;border-radius:16px;padding:8px 10px;background:#0f172a}[data-quantum-playing=true] .game-mission .mission-label{display:none}[data-quantum-playing=true] .game-mission h2{margin:0;font-size:14px}[data-quantum-playing=true] .mission-content>h2+div{padding:6px;margin:0}[data-quantum-playing=true] .mission-content>h2+div>div{font-size:16px}[data-quantum-playing=true] [data-game-prompt-math]{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:4px 16px}[data-quantum-playing=true] [data-game-prompt-math]>span{min-width:0;max-width:100%;font-size:16px}[data-quantum-playing=true] .mission-reveal{display:block;order:3;min-width:0;margin:0;padding:0;border:0}[data-quantum-playing=true] .mission-reveal>div:first-child{display:grid;gap:6px}[data-quantum-playing=true] .mission-reveal>div:first-child>button{width:100%;min-height:44px;font-size:12px}[data-quantum-playing=true] .mission-reveal>div:first-child>button:first-child{background:#181829}.quantum-calculator{display:grid;grid-template-columns:minmax(0,1fr) 100px;gap:4px 8px;padding:8px;border-radius:18px}.quantum-calculator-body,.quantum-keypad{display:contents}.quantum-display-column,.quantum-edit-controls,.quantum-mode-switch,.quantum-page-status,.quantum-calculator-error{grid-column:1 / -1}.quantum-mode-switch{margin-top:0}.quantum-calculator-heading,.quantum-keypad>.quantum-desktop-keys,.quantum-input-help,.quantum-submit-help,.quantum-footer-help,.quantum-reveal-warning,.quantum-desktop-label{display:none}.quantum-mobile-label{display:inline}.quantum-display-column{position:relative}.quantum-display{margin:0;min-height:0;padding:4px 10px}.quantum-display label{font-size:9px}.quantum-display input{margin:0;padding:4px 0;font-size:16px;line-height:20px}.quantum-display output{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:26px;padding-top:2px}.quantum-display output>span:first-child{font-size:10px}.quantum-display output .katex{font-size:16px}.quantum-preview{display:none}.quantum-keyboard-toggle{position:absolute;top:8px;right:12px;margin:0;font-size:9px;color:#475569}.quantum-edit-controls button{min-height:32px;font-size:10px}.quantum-keypad>.quantum-mobile-keys{display:grid;grid-column:1;grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:repeat(4,44px);gap:4px}.quantum-mobile-keys button{min-width:0;border-radius:8px;border-bottom:3px solid #020617;background:#334155;color:#a5f3fc;font-size:15px;font-weight:700}.quantum-mobile-keys button.quantum-digit{background:#f1f5f9;color:#020617;font-size:18px}.quantum-mobile-keys button:active{transform:translateY(1px)}.quantum-actions{display:flex;grid-column:2;flex-direction:column;gap:6px;min-width:0}.quantum-calculate,.quantum-continue{flex:1;min-height:44px;margin:0;padding:5px;font-size:12px}.quantum-calculator [aria-label="Check answer"]{display:flex;flex:2;flex-direction:column;margin:0;gap:6px}.quantum-calculator [aria-label="Check answer"] button{flex:1;min-height:44px;padding:5px;font-size:11px;line-height:14px}[data-quantum-playing=true] .game-workpads{margin-top:6px}[data-quantum-playing=true] .game-workpads>button{min-height:36px;padding:6px 12px}[data-quantum-playing=true] .game-workpads button>span>span+span{display:none}}@media(min-width:640px)and (max-width:1199px){[data-quantum-playing=true] .game-mission{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:12px 24px}[data-quantum-playing=true] .mission-content>.mission-label,[data-quantum-playing=true] .mission-content>h2,[data-quantum-playing=true] .mission-content>h2+div{grid-column:1;margin:0}[data-quantum-playing=true] .mission-hint{grid-column:2;grid-row:1;margin:0}[data-quantum-playing=true] .mission-reveal{grid-column:2;grid-row:2 / span 2;align-self:start;margin:0;border-top:0;padding-top:0}}@media(min-width:1200px){[data-quantum-playing=true] .game-playing[data-act-game=true]{max-width:1440px;padding-inline:36px}[data-quantum-playing=true] .game-playing{padding-block:12px}[data-quantum-playing=true] .game-playing>header+div{margin-top:8px}[data-quantum-playing=true] .game-workpads{margin-top:16px}body:has([data-quantum-playing=true]) footer>div{padding-block:16px}.quantum-keypad button{min-height:36px}.quantum-display{min-height:260px}[data-quantum-playing=true] .game-scene{grid-template-columns:minmax(0,1.58fr) minmax(0,1fr);gap:24px}[data-quantum-playing=true] .game-scene>div{order:1}[data-quantum-playing=true] .game-mission{order:2;padding:24px}}