.world-shell{--ink:#153c49;--sea:#007b87;--cream:#fff9eb;color:var(--ink);max-width:1440px;margin:0 auto;padding:28px 28px 60px}.world-top{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:0 0 24px}.world-top h1{font-size:clamp(25px,3.1vw,42px);line-height:1.5;margin:4px 0}.world-top p,.world-note{color:#526975;margin:5px 0}.world-eyebrow{color:#007881;font-weight:800;font-size:13px;letter-spacing:.3px}.world-grades{display:flex;gap:7px;flex-wrap:wrap;max-width:460px}.world-grades a{background:#fff9eb;border:1px solid #e5d5b9;color:#78572f;padding:9px 16px;border-radius:16px;font-weight:800;text-decoration:none}.world-grades a[aria-current]{background:#007b87;color:white;border-color:#007b87;box-shadow:0 4px 0 #00505a}.world-landscape{position:relative;border-radius:30px;overflow:hidden;background:#05b6cd;aspect-ratio:1.8;border:5px solid #fff;box-shadow:0 14px 45px #24464e20}.world-landscape>img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 35%}.world-badge{position:absolute;top:22px;right:22px;background:#fff9ebee;padding:10px 20px;border:1px solid #fff;border-radius:18px;font-weight:900;color:#31555a;box-shadow:0 5px 16px #00385020}.world-badge span{display:block;font-size:11px;font-weight:600}.island-links{position:absolute;inset:0}.island-link{position:absolute;top:63%;transform:translateX(-50%);width:23%;max-width:230px;min-width:125px;display:grid;gap:1px;justify-items:center;padding:10px 18px;border:2px solid #e4c58d;border-radius:19px;background:linear-gradient(#fffcf0,#ffe5b6);color:#593f25;box-shadow:0 6px 0 #ad7d46,0 12px 25px #00334d44;cursor:pointer;font:inherit;transition:transform .18s}.island-link strong{font-size:clamp(16px,2vw,26px)}.island-link span{font-size:24px;font-weight:900}.island-link small{font-size:11px}.island-arabic{left:18%}.island-math{left:50%;top:66%}.island-science{left:82%}.island-link[aria-pressed=true]{background:linear-gradient(#f7fffa,#c2f6e7);border-color:#fff;box-shadow:0 6px 0 #007c83,0 0 0 4px #04c0ad,0 15px 25px #00334d44;color:#005b62}.island-link:hover{transform:translateX(-50%) translateY(-4px)}.journey-panel{position:relative;max-width:1000px;margin:-35px auto 0;padding:30px 40px;background:#fffdf6;border:1px solid #e9dfcc;border-radius:26px;box-shadow:0 12px 40px #224a4b12}.journey-heading,.journey-progress>div,.map-toolbar,.path-pagination{display:flex;align-items:center;justify-content:space-between;gap:16px}.journey-heading h2{margin:3px 0 14px;font-size:28px}.journey-stars{padding:8px 20px;border:1px solid #efd28c;background:#fff0c8;color:#88600d;border-radius:30px;font-weight:900;font-size:24px}.journey-progress>div{font-weight:800;font-size:14px}progress{appearance:none;border:none;width:100%;height:12px;overflow:hidden;border-radius:30px;background:#e7ede6}progress::-webkit-progress-bar{background:#e7ede6;border-radius:30px}progress::-webkit-progress-value{background:linear-gradient(90deg,#00b4a2,#007b87);border-radius:30px}progress::-moz-progress-bar{background:#008f8e;border-radius:30px}.journey-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:18px 0}.world-button{font:inherit;font-weight:900;border:1px solid #007681;background:#008893;color:white;padding:11px 24px;border-radius:13px;box-shadow:0 3px 0 #00535c;cursor:pointer;min-height:46px}.world-button.pale{background:#fff;color:#12616c;box-shadow:0 3px 0 #ccd9d7;border-color:#c4d5d4}.world-button:disabled{opacity:.45;cursor:not-allowed}.world-text-button{font:inherit;color:#526b74;background:transparent;border:0;text-decoration:underline;text-underline-offset:5px;cursor:pointer;padding:10px;min-height:44px}.world-note{font-size:13px;line-height:1.9}.map-toolbar{border-top:1px solid #e9e3d5;margin-top:22px;padding-top:24px;font-weight:800;flex-wrap:wrap}.map-toolbar label{display:flex;align-items:center;gap:12px}.map-toolbar select{font:inherit;border:1px solid #d8dcca;border-radius:12px;padding:8px;background:white;max-width:240px}.level-path{display:grid;grid-template-columns:repeat(5,1fr);gap:25px 12px;background:radial-gradient(ellipse at center,#dff8ed 0%,#f6fbed 60%,transparent 72%);padding:25px 0 35px;margin-top:10px}.level-node{border:2px solid #d2cab9;color:#777268;background:#eeeae0;border-radius:50%;width:68px;height:68px;font:inherit;font-size:21px;font-weight:900;margin:0 auto;position:relative;box-shadow:0 5px 0 #c7c0af;cursor:pointer}.level-node small{position:absolute;bottom:-18px;left:50%;transform:translateX(-50%);font-size:13px;letter-spacing:2px;white-space:nowrap;color:#9c6800}.level-node:nth-child(even){transform:translateY(10px)}.level-node.available{background:#fff4cd;color:#735820;border-color:#ddbd70;box-shadow:0 5px 0 #b39857}.level-node.current{background:#008a90;color:#fff;border-color:#83e4ce;box-shadow:0 5px 0 #005a67,0 0 0 5px #008a9018}.level-node:disabled{cursor:not-allowed;opacity:.65}.path-pagination{margin:15px 0}.path-pagination>span{font-size:12px}.world-help{font-size:13px;line-height:2;border-top:1px solid #e9e3d5;margin-top:25px;padding-top:15px}.world-help summary{cursor:pointer;font-weight:800}.world-warning{padding:12px;border-radius:10px;background:#fff1c9;color:#604700}.world-extra{margin:40px auto;max-width:1100px}.world-extra h2{margin:5px 0}.play-dialog{color:#153c49;background:#fffdf6;border:3px solid white;border-radius:25px;padding:26px;width:min(680px,calc(100% - 24px));max-height:90dvh;overflow:auto;box-shadow:0 25px 100px #052e4c55}.play-dialog::backdrop{background:#082f46b5;backdrop-filter:blur(6px)}.play-head,.question-meta{display:flex;justify-content:space-between;gap:12px;align-items:center;font-size:13px;font-weight:800}.play-head{border-bottom:1px solid #e1e7dd;padding-bottom:10px;margin-bottom:18px}.question-meta{color:#628079}.play-dialog h2{font-size:clamp(21px,3vw,30px);line-height:1.8;margin:22px 0;text-align:center}.play-dialog #question-formula{font:900 clamp(28px,5vw,42px) system-ui,sans-serif;text-align:center;white-space:pre-wrap;overflow-wrap:anywhere;margin:18px 0 26px;color:#007c85;line-height:1.5}.play-dialog #answer-options{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.answer-choice{font:inherit;font-size:21px;font-weight:800;padding:16px 12px;background:#fff;border:2px solid #d1deda;border-radius:15px;cursor:pointer;color:#254950;min-height:65px;overflow-wrap:anywhere}.answer-choice:hover:not(:disabled){border-color:#008d91;background:#eefbf7}.answer-choice.chosen{border-color:#008d91;background:#def6ee}.answer-choice.correct{border-color:#358752;background:#e4f6de}.answer-choice.wrong{border-color:#b96445;background:#fff0e5}.answer-choice:disabled{cursor:default}.play-dialog #number-wrap{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}.play-dialog input{font:inherit;font-size:24px;width:160px;border:2px solid #9bbeb9;border-radius:12px;padding:10px;text-align:center;background:white}.play-dialog #answer-feedback{border-radius:14px;background:#e8f6e3;color:#285131;padding:15px;margin:20px 0;line-height:1.9;font-weight:700;white-space:pre-wrap}.play-dialog #answer-feedback.needs-practice{background:#fff1df;color:#72512d}.play-dialog #next-question{display:block;margin:20px auto 0}.play-dialog #result-view{text-align:center;padding:15px 0}.result-stars{font-size:55px;color:#bd820a;letter-spacing:10px}.play-dialog #result-detail{line-height:2}.play-dialog .journey-actions{justify-content:center}.play-dialog #ordered-answer{color:#007a80;font-size:22px}.world-shell [hidden],.play-dialog [hidden]{display:none!important}.world-shell :focus-visible,.play-dialog :focus-visible{outline:3px solid #bb7012;outline-offset:5px}
@media(max-width:700px){.world-shell{padding:18px 12px 40px}.world-top{display:block}.world-top h1{font-size:27px}.world-grades{margin-top:18px;display:grid;grid-template-columns:repeat(6,1fr);max-width:none;gap:5px}.world-grades a{font-size:11px;padding:9px 3px;text-align:center;border-radius:10px}.world-landscape{aspect-ratio:1.08;border-width:3px;border-radius:20px}.world-landscape>img{object-fit:cover;object-position:center;filter:saturate(.95)}.world-badge{top:10px;right:10px;font-size:11px;padding:7px 12px}.island-link{min-width:0;width:29%;padding:8px 4px;border-radius:13px;top:69%}.island-link span{font-size:18px}.island-link strong{font-size:13px}.island-link small{font-size:9px}.island-arabic{left:18%}.island-math{left:50%;top:66%}.island-science{left:82%}.journey-panel{padding:22px 16px;margin:14px auto 0;border-radius:20px}.journey-heading h2{font-size:23px}.journey-stars{font-size:19px;padding:6px 12px}.journey-progress>div{font-size:11px}.journey-actions{gap:8px}.world-button{padding:10px 16px;font-size:13px}.map-toolbar{font-size:12px}.level-path{gap:28px 4px}.level-node{width:49px;height:49px;font-size:17px}.level-node small{font-size:10px}.path-pagination{gap:5px}.path-pagination>span{font-size:10px}.play-dialog{padding:18px 15px}.play-dialog h2{font-size:21px}.answer-choice{font-size:18px;padding:12px 8px}.play-dialog #question-formula{font-size:30px}.world-extra{padding:0 6px}}
@media(prefers-reduced-motion:reduce){.island-link{transition:none}}

/* Student profiles — intentionally scoped to the game world. */
.player-banner{display:flex;align-items:center;justify-content:space-between;gap:18px;background:linear-gradient(110deg,#fff8e6,#edfaf4);border:1px solid #d9e7db;border-radius:20px;padding:18px 24px;margin:0 0 22px}.player-identity{display:flex;align-items:center;gap:16px;min-width:0}.player-avatar{display:grid;place-items:center;flex-shrink:0;width:70px;height:70px;background:#fffdf5;border:2px solid #e3d6b6;border-radius:22px;font:42px system-ui,sans-serif;box-shadow:0 4px 0 #e0d4b7}.player-identity h2{margin:0;font-size:24px;color:#154b50;overflow-wrap:anywhere}.player-identity p{font-size:12px;color:#5c716d;margin:4px 0;line-height:1.9}.player-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.profile-dialog{font:inherit;color:#153c49;background:#fffdf6;width:min(820px,calc(100% - 24px));max-height:90dvh;padding:28px;border:3px solid white;border-radius:26px;box-shadow:0 25px 100px #052e4c55;overflow:auto}.profile-dialog::backdrop{background:#082f46b5;backdrop-filter:blur(6px)}.profile-dialog-head{display:flex;justify-content:space-between;gap:12px;align-items:center}.profile-dialog h2{font-size:29px;margin:4px 0 6px}.profile-intro,.profile-local-note{font-size:13px;line-height:1.9;color:#63756f}.profile-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:24px 0}.profile-card{border:2px solid #e1e7db;border-radius:20px;background:#fff;overflow:hidden}.profile-card.selected{border-color:#00938f;background:#edfaf4}.profile-choose{display:flex;align-items:center;flex-direction:column;gap:7px;width:100%;background:none;border:0;padding:18px 8px 12px;font:inherit;color:#234c51;cursor:pointer}.profile-choose strong{font-size:18px;overflow-wrap:anywhere;max-width:100%}.profile-choose small{font-size:11px;color:#7c641d}.profile-face{font:44px system-ui,sans-serif;background:#fff5d9;border-radius:50%;width:75px;height:75px;display:grid;place-items:center}.profile-choose:hover{background:#eaf9f3}.profile-card-tools{display:flex;justify-content:center;border-top:1px solid #edf0e7}.profile-card-tools button{font-size:12px}.profile-card-tools .profile-delete{color:#9e5437}.profile-form{background:#f4f7ed;border:1px solid #dce5d5;border-radius:20px;padding:22px}.profile-form h3{margin:0 0 14px;font-size:20px}.profile-form>label{display:block;font-weight:800;font-size:14px;margin-bottom:6px}.profile-form>input{box-sizing:border-box;width:100%;font:inherit;font-size:18px;border:1px solid #b8cebd;border-radius:12px;background:white;color:#234c51;padding:10px 14px}.profile-form fieldset{border:0;padding:0;margin:20px 0}.profile-form legend{font-weight:800;font-size:14px;margin-bottom:10px}.avatar-options{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:7px}.avatar-option{position:relative;cursor:pointer}.avatar-option input{position:absolute;inset:0;margin:0;opacity:0;cursor:pointer;width:100%;height:100%}.avatar-option span{display:grid;place-items:center;border:2px solid #dfe5d8;background:white;border-radius:14px;font:30px system-ui,sans-serif;height:58px}.avatar-option input:checked+span{border-color:#008b8c;background:#d6f4e9;box-shadow:0 3px 0 #008b8c}.avatar-option input:focus-visible+span{outline:3px solid #bb7012;outline-offset:3px}.profile-empty{text-align:center;background:#fff2d6;border-radius:14px;padding:22px;color:#755824;line-height:1.9}.profile-local-note{margin:18px 0 0;border-top:1px solid #e8e5d8;padding-top:14px}.profile-dialog [hidden]{display:none!important}.profile-dialog :focus-visible{outline:3px solid #bb7012;outline-offset:3px}
@media(max-width:700px){.player-banner{padding:16px;display:block}.player-avatar{width:58px;height:58px;font-size:34px;border-radius:18px}.player-identity h2{font-size:21px}.player-banner>.player-actions{margin-top:12px}.player-identity p{font-size:11px}.profile-dialog{padding:18px 14px}.profile-dialog h2{font-size:24px}.profile-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.profile-form{padding:16px}.avatar-options{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.profile-choose strong{font-size:16px}.profile-face{width:63px;height:63px;font-size:37px}.profile-dialog .world-button{font-size:13px}.player-actions{gap:5px}}

.player-avatar img,.profile-face img{width:100%;height:100%;object-fit:contain;border-radius:inherit}.avatar-option span img{width:48px;height:48px;object-fit:contain}
.sync-line{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:-10px 0 20px;color:#5c736b;font-size:12px}.sync-line p{margin:0}.sync-line button{font-size:12px;white-space:nowrap}.badges-panel{padding:22px 24px;background:#fffaf0;border:1px solid #ede0c2;border-radius:22px;margin-bottom:24px}.badges-panel h2{margin:5px 0;font-size:24px}.badges-panel>div>p{font-size:12px;color:#63796b}.badge-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.badge-card{text-align:center;padding:18px 8px;border:1px solid #dfe5dc;border-radius:17px;background:#f7f8f1;color:#64726c}.badge-card.earned{background:linear-gradient(135deg,#fff9e8,#ffedb6);border-color:#e5c779;color:#715217;box-shadow:0 4px 0 #e4d29c}.badge-medal{display:grid;place-items:center;width:54px;height:54px;margin:0 auto 12px;border:3px double #bbc9bc;border-radius:50%;background:#e6ede3;font:30px system-ui,sans-serif}.earned .badge-medal{background:#ffd86a;border-color:#b58525;color:#705014}.badge-card h3{font-size:14px;margin:5px 0}.badge-card p{font-size:11px;line-height:1.8;margin:6px 0}.badge-card small{font-size:11px;font-weight:800}.profile-form>select{box-sizing:border-box;width:100%;font:inherit;border:1px solid #b8cebd;border-radius:12px;background:white;padding:10px 14px;margin-bottom:10px}.profile-form>input{margin-bottom:14px}
@media(max-width:700px){.badges-panel{padding:18px 14px}.badge-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.badge-card{padding:14px 8px}.badge-card:last-child{grid-column:1/-1}.sync-line{align-items:flex-start;font-size:11px}.sync-line button{font-size:11px;padding:6px}.badges-panel h2{font-size:22px}}