:root{color-scheme:dark;--ink:#142b28;--surface:#f7faf7;--green:#245c4e;--mint:#9ce6b6;--gold:#efc575;--text:#edf5ed;--muted:#b9cfc4;--line:#ffffff26;--danger:#cf6e60;font-family:"Trebuchet MS","Segoe UI",sans-serif;letter-spacing:0}
*{box-sizing:border-box}body{margin:0;background:#142b28;color:var(--text);height:100dvh;overflow:hidden}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:default}button:focus-visible,a:focus-visible{outline:3px solid var(--gold);outline-offset:4px}button svg,a svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.expedition-head{height:76px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 28px;background:#132c28;border-bottom:1px solid var(--line);position:relative;z-index:3}.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--text);font-size:14px;line-height:1.2;min-width:148px}.brand img{width:42px;height:42px;object-fit:contain}.brand b{display:block}.mission-heading{text-align:center}.mission-heading>span{font-size:11px;color:var(--mint)}h1{font-family:Georgia,serif;font-weight:normal;font-size:23px;margin:4px 0 0}.expedition-head nav{display:flex;gap:8px;min-width:148px;justify-content:flex-end}.icon-button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:#ffffff08;color:inherit;width:42px;height:42px;border-radius:6px;flex-shrink:0}.icon-button:hover{background:#ffffff15}#worldShell{position:relative;height:calc(100dvh - 76px);overflow:hidden}#game{position:absolute;inset:0;touch-action:none}#game canvas{display:block}.world-hud{position:absolute;inset:24px 28px auto;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;pointer-events:none}.quest-status{max-width:350px;text-shadow:0 2px 6px #000;background:#102a26e6;border-left:3px solid var(--gold);padding:12px 16px}.quest-status>span{color:var(--mint);font-size:12px}.quest-status h2{font-size:15px;margin:6px 0 12px;font-weight:600;line-height:1.4}.quest-track{height:3px;background:#ffffff25;overflow:hidden}.quest-track span{display:block;background:var(--gold);height:100%;width:0;transition:width .3s}.player-status{display:flex;align-items:center;gap:16px;background:#102a26e8;padding:12px 16px;border:1px solid #ffffff18;border-radius:6px;font-size:13px}.energy{color:#e99a80;font-size:17px;white-space:nowrap}.xp{white-space:nowrap;color:var(--gold)}.seal-count{color:var(--muted);white-space:nowrap}.room-map{position:absolute;right:29px;top:90px;display:flex;align-items:center;gap:7px;pointer-events:none}.room-map span{border:1px solid #a6c3b961;background:#142b28e8;color:#a5c1b5;font-size:12px;width:27px;height:27px;display:grid;place-items:center;border-radius:50%}.room-map .current{border-color:var(--gold);color:var(--gold)}.room-map .visited{background:#3d7160;color:#eff6eb}.room-map i{height:1px;width:16px;background:#a6c3b961}.world-bottom{position:absolute;bottom:24px;left:28px;right:28px;display:flex;align-items:flex-end;justify-content:space-between;pointer-events:none;gap:12px}.dpad{display:grid;grid-template:repeat(3,38px)/repeat(3,38px);gap:3px;pointer-events:auto;touch-action:none}.dpad button{display:grid;place-items:center;background:#183d35ed;border:1px solid #b6dfc956;border-radius:6px;color:#e4f3e7;touch-action:none;user-select:none}.dpad button:active,.dpad button.pressed{background:#417c61}.dpad [data-direction=up]{grid-area:1/2}.dpad [data-direction=left]{grid-area:2/1}.dpad [data-direction=right]{grid-area:2/3}.dpad [data-direction=down]{grid-area:3/2}.dpad-center{grid-area:2/2;place-self:center;width:8px;height:8px;background:#b6dfc98a;border-radius:50%}.interact-button{pointer-events:auto;display:flex;align-items:center;gap:12px;min-height:52px;max-width:330px;padding:9px 20px 9px 10px;color:#172e25;background:#efd38b;border:1px solid #ffeab6;border-radius:6px;box-shadow:0 4px 0 #654f28;font-weight:700}.interact-button:disabled{background:#173d35df;color:#c3d6c9;border:1px solid #93bda153;box-shadow:none}.action-key{display:grid;place-items:center;width:32px;height:32px;flex-shrink:0;border:1px solid currentColor;border-radius:4px;font-size:14px}.save-status{width:125px;text-align:right;font-size:11px;color:#ccded0;text-shadow:0 1px 4px #000}.toast{position:absolute;left:50%;bottom:110px;transform:translateX(-50%);padding:13px 22px;max-width:min(470px,90%);background:#153c32f5;border:1px solid #8fbc9c;border-radius:6px;text-align:center;opacity:0;transition:opacity .2s;pointer-events:none;font-size:14px}.toast.visible{opacity:1}.loading{position:absolute;inset:0;display:grid;place-items:center;background:#142b28;color:var(--gold)}[hidden]{display:none!important}
dialog{border:0;border-radius:8px;padding:26px;color:#18352d;background:var(--surface);max-width:720px;width:calc(100% - 32px);max-height:calc(100dvh - 36px);overflow:auto;box-shadow:0 24px 100px #0008}dialog::backdrop{background:#061e1ad4;backdrop-filter:blur(4px)}.challenge-head{display:flex;justify-content:space-between;align-items:center;gap:15px;border-bottom:1px solid #d2dfd6;padding-bottom:18px;margin-bottom:14px}.challenge-head>div>span{font-size:12px;color:#49705e}.challenge-head h2{font-family:Georgia,serif;font-size:25px;font-weight:normal;margin:5px 0 0}.challenge-head .icon-button{border-color:#cadbd0;background:#e7eee8}.question-meta{font-size:11px;display:flex;gap:12px;color:#537461;line-height:1.5;margin-bottom:16px}.question-meta span:first-child{font-weight:bold;white-space:nowrap}.rich-content{font-size:15px;line-height:1.65;overflow-wrap:anywhere}.rich-content img{max-width:100%;height:auto;display:block;margin:10px auto}.rich-content table{width:100%;border-collapse:collapse;margin:12px 0;font-size:14px}.rich-content th,.rich-content td{padding:8px;border:1px solid #bacdc1;text-align:center}.rich-content p{margin:8px 0}.question-stem{font-weight:600;margin-bottom:20px}.answer-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.answer-option{display:flex;align-items:center;gap:12px;text-align:left;background:#fff;color:#203e30;border:1px solid #bdcfc2;border-radius:6px;padding:13px;min-height:58px;line-height:1.45;overflow-wrap:anywhere}.answer-option>span:first-child{display:grid;place-items:center;border:1px solid #c6d7cc;border-radius:50%;width:29px;height:29px;flex-shrink:0;font-size:12px}.answer-option .rich-content{font-size:14px}.answer-option:hover:not(:disabled){border-color:#34664f;background:#eff6ed}.answer-option.correct{background:#e2f1dd;border:2px solid #58814a}.answer-option.wrong{background:#f9ece6;border-color:#c37a63}.answer-option:disabled:not(.correct):not(.wrong){opacity:.65}.question-feedback{font-size:14px;border-left:3px solid #5f9562;background:#e6f2e1;padding:12px 14px;margin-top:16px;line-height:1.5}.question-feedback.incorrect{border-color:#c47e5a;background:#f8ede3}.question-hint{background:#fff4d9;border:1px solid #dec783;padding:14px;margin-top:12px;font-size:14px;line-height:1.55}.explanation{border-top:1px solid #ceddcf;margin-top:20px;padding-top:4px}.explanation h3{font-size:16px;margin:18px 0 7px;color:#205a3e}.explanation ul{padding-left:20px}.challenge-footer{display:flex;gap:12px;justify-content:space-between;margin-top:22px;align-items:center;flex-wrap:wrap}.primary-button{background:#285d46;color:white;border:1px solid #285d46;border-radius:6px;padding:13px 21px;min-height:46px;font-weight:700}.primary-button:hover{background:#1a4532}.quiet-button{background:transparent;border:1px solid #b6cbbb;border-radius:6px;padding:12px 17px;color:#345c45;min-height:44px}.boss-track{height:7px;background:#dfcec6;border-radius:4px;overflow:hidden;margin:15px 0}.boss-track span{display:block;width:100%;height:100%;background:#bb7156;transition:width .4s}.pause-content{text-align:center;padding:18px 12px;max-width:440px;margin:auto}.pause-content img{width:80px;height:80px;object-fit:contain}.pause-content>p:first-of-type{font-size:12px;color:#54755d}.pause-content h2{font-family:Georgia,serif;font-size:32px;font-weight:normal;margin:12px 0}.pause-content p{line-height:1.7;font-size:15px;color:#4c6857}.pause-content button{display:block;width:100%;margin-top:12px}.pause-content a{display:inline-block;color:#3b654a;font-size:13px;margin-top:22px}
@media(min-width:1000px){.dpad{opacity:.65}.dpad:hover{opacity:1}}@media(max-width:650px){.expedition-head{height:64px;padding:0 12px;gap:8px}.brand{min-width:0}.brand img{width:34px;height:34px}.brand span{display:none}.mission-heading h1{font-size:17px}.mission-heading>span{font-size:10px}.expedition-head nav{min-width:0;gap:5px}.icon-button{width:36px;height:36px}#worldShell{height:calc(100dvh - 64px)}.world-hud{inset:12px 12px auto;gap:10px}.quest-status{padding:9px 11px;max-width:64%}.quest-status>span{font-size:10px}.quest-status h2{font-size:12px;margin:5px 0 9px}.player-status{flex-wrap:wrap;gap:5px 10px;max-width:120px;padding:9px 10px;justify-content:center;font-size:12px}.energy{width:100%;font-size:14px;text-align:center}.seal-count{font-size:10px}.room-map{top:105px;right:14px}.room-map span{width:22px;height:22px;font-size:10px}.room-map i{width:8px}.world-bottom{left:16px;right:16px;bottom:max(20px,env(safe-area-inset-bottom));align-items:center}.dpad{grid-template:repeat(3,43px)/repeat(3,43px);gap:4px}.interact-button{max-width:180px;min-height:58px;padding:9px 12px;font-size:12px;gap:8px}.action-key{width:25px;height:25px}.save-status{position:absolute;bottom:-14px;right:0;font-size:9px}.toast{bottom:175px;font-size:12px}.answer-options{grid-template-columns:1fr}.challenge-head h2{font-size:22px}dialog{padding:20px 16px;max-height:calc(100dvh - 20px);width:calc(100% - 20px)}.question-meta{flex-direction:column;gap:3px}.rich-content{font-size:14px}.answer-option{min-height:53px}.challenge-footer{position:sticky;bottom:-20px;background:var(--surface);padding:12px 0;margin-top:12px}.pause-content h2{font-size:29px}}
@media(max-height:500px) and (orientation:landscape){.expedition-head{height:52px}#worldShell{height:calc(100dvh - 52px)}.world-hud{inset:10px 16px auto}.quest-status{padding:7px 12px}.quest-status h2{font-size:12px;margin:3px 0 6px}.world-bottom{bottom:12px}.dpad{grid-template:repeat(3,30px)/repeat(3,30px)}.room-map{top:76px}.toast{bottom:80px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* The Telegram viewport can be shorter than the browser's CSS viewport. */
:root{--header-size:76px;--safe-top:max(env(safe-area-inset-top,0px),var(--host-top,0px));--safe-bottom:max(env(safe-area-inset-bottom,0px),var(--host-bottom,0px));--safe-left:max(env(safe-area-inset-left,0px),var(--host-left,0px));--safe-right:max(env(safe-area-inset-right,0px),var(--host-right,0px))}
body{height:var(--app-height,100dvh);display:flex;flex-direction:column;overscroll-behavior:none}
.expedition-head{height:auto;min-height:calc(var(--header-size) + var(--safe-top));padding-top:var(--safe-top);padding-left:max(16px,var(--safe-left));padding-right:max(16px,var(--safe-right));flex-shrink:0}
.mission-heading{min-width:0}.mission-heading h1{overflow-wrap:normal}
#worldShell{height:auto;flex:1;min-height:0}
.world-bottom{bottom:calc(22px + var(--safe-bottom));left:max(16px,var(--safe-left));right:max(16px,var(--safe-right))}
dialog{position:fixed;top:var(--safe-top);bottom:calc(max(0px,100dvh - var(--app-height,100dvh)) + var(--safe-bottom));max-height:calc(var(--app-height,100dvh) - var(--safe-top) - var(--safe-bottom) - 24px);margin-top:auto;margin-bottom:auto;overscroll-behavior:contain}
.icon-button{min-width:44px;min-height:44px}
@media(max-width:650px){:root{--header-size:64px}.expedition-head{gap:6px;padding-left:max(10px,var(--safe-left));padding-right:max(10px,var(--safe-right))}.mission-heading{flex:1}.mission-heading h1{font-size:16px}.expedition-head nav{gap:3px}.dpad{grid-template:repeat(3,44px)/repeat(3,44px)}.world-hud{left:max(12px,var(--safe-left));right:max(12px,var(--safe-right))}.toast{bottom:calc(175px + var(--safe-bottom))}}
@media(max-height:500px) and (orientation:landscape){:root{--header-size:52px}.dpad{grid-template:repeat(3,44px)/repeat(3,44px)}.world-bottom{bottom:calc(12px + var(--safe-bottom))}.quest-status{max-width:45%}}