:root{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:#142932;background:#102730;--navy:#102730;--border:#355562;--gold:#f0a72d;--teal:#049e9d;--paper:#fbf5e8}*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;font-weight:700;cursor:pointer}button:disabled{cursor:default;filter:saturate(.3);opacity:.55}button:focus-visible,a:focus-visible,summary:focus-visible,#world:focus-visible{outline:3px solid #fff1ac;outline-offset:3px}button[hidden],div[hidden]{display:none!important}button:not(:disabled):active{transform:translateY(2px)}.game-header{min-height:94px;display:flex;align-items:center;gap:22px;padding:17px 24px;border-bottom:4px solid #34515d;background:#102730;color:white}.brand{display:flex;align-items:center;gap:12px;flex:1}.brand svg{width:44px;height:40px;color:#80afbd}.brand h1{font-size:31px;letter-spacing:1px;margin:0;white-space:nowrap;text-shadow:0 3px #0007}.brand h1 span{color:#f8bd43}.brand p{font-size:14px;color:#9fced9;line-height:1.8;max-width:145px;margin:0 0 0 10px}#level-nav{display:flex;gap:10px}#level-nav button{color:#b5cad4;background:#173440;border:2px solid #476b7c;box-shadow:inset 0 -3px #0b232c;padding:13px 18px;font-size:16px;min-height:52px}#level-nav button.selected{background:#e99b20;border-color:#ffd374;color:white;box-shadow:inset 0 -4px #b97411,0 0 0 2px #b57227}#level-nav button.locked{color:#829ca7}.badge-count{border-left:1px solid #3b5a65;padding-left:22px;min-width:105px;text-align:center}.badge-count>span{font-size:13px;color:#bed2d9;display:block}.badge-count strong{font-size:24px;letter-spacing:3px;display:block;margin-top:3px}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 345px;min-height:620px;height:calc(100svh - 200px);max-height:920px;gap:0}.play-area{position:relative;min-width:0;overflow:hidden;background:#96cce9;border-right:4px solid #34515d}#world{position:absolute;inset:0;outline-offset:-4px}#world canvas{width:100%;height:100%;display:block;touch-action:none}.world-loading{position:absolute;inset:0;display:grid;place-items:center;background:#9dd0df;color:#103b4c;font-size:18px;padding:25px;text-align:center}.top-hud{position:absolute;top:19px;left:20px;color:#fff;pointer-events:none;display:flex;gap:12px;align-items:start;max-width:calc(100% - 170px)}.top-hud>div{padding:11px 15px;background:#112d36df;border:1px solid #b5d7d337;box-shadow:3px 3px #0002}.top-hud span{display:block;font-size:12px;color:#b8dce1;line-height:1.8}.top-hud strong{font-size:16px;font-weight:700;line-height:1.8}.top-hud b{color:#ffc866;font-size:14px}.view-tools{position:absolute;top:19px;right:17px;display:flex;gap:7px}.view-tools button{background:#17353de6;color:#e5f2f4;border:1px solid #83a6ad80;padding:10px;font-size:12px;min-height:40px}.view-tools button[aria-pressed=true]{background:#bf7e20}.quest-panel{background:var(--paper);padding:28px 24px 20px;display:flex;flex-direction:column;border:5px double #b9ac90;min-height:0;overflow:auto;scrollbar-width:thin}.quest-heading>span{color:#8e7150;font-size:13px;font-weight:700;letter-spacing:3px}.quest-heading h2{font-size:30px;line-height:1.4;margin:9px 0 4px;letter-spacing:1px}.quest-heading p{font-size:14px;color:#837558;margin:0 0 19px;line-height:1.7}#quest-list{padding:0;list-style:none;margin:0 0 18px;counter-reset:quest}#quest-list li{position:relative;display:grid;grid-template-columns:34px 1fr 50px;align-items:center;gap:9px;padding:13px 0;border-bottom:1px dashed #d5c7ad;counter-increment:quest}#quest-list li:before{content:counter(quest);width:30px;height:30px;display:grid;place-items:center;border:2px solid #cfb784;background:#f2e1bb;color:#8d662e;font-size:14px;font-weight:800;box-shadow:0 2px #d8bf8e}#quest-list li.done:before{content:'✓';color:#077164;background:#d0e8d8;border-color:#65a895}#quest-list strong{font-size:16px;display:block}#quest-list small{display:block;font-size:12px;margin-top:5px;color:#8a795d}#quest-list button{padding:9px 0;background:none;border:1px solid #ccb98f;color:#80602d;font-size:13px}#quest-list li.done button{color:#26796c;border-color:#8abaaa}.history-card{background:#fff7e7;border:2px solid #e6d3b1;padding:16px;margin-bottom:19px}.history-card h3{margin:0 0 9px;font-size:16px;color:#245462}.history-card p{font-size:15px;line-height:1.9;margin:0;color:#5b513f}.text-button{margin-top:10px;background:none;border:0;color:#2e7e87;padding:0;font-size:13px}.gold-button{background:#eaa32d;color:#fff;border:2px solid #ffd071;box-shadow:inset 0 -4px #bf7a17,0 2px 0 2px #9c671c;font-size:17px;padding:14px 17px;min-height:54px;text-shadow:0 1px #976122}.quest-panel>.gold-button{margin-top:auto;width:100%}.training-note{font-size:12px;color:#887c64;line-height:1.7;margin:15px 0 8px}.guide-link{font-size:13px;color:#236778;text-underline-offset:4px}.control-bar{background:#102730;display:flex;align-items:center;justify-content:space-between;border-top:4px solid #365767;min-height:93px;padding:17px 25px;gap:20px;color:#e8f1f2}.keyboard-hints{display:flex;gap:23px;font-size:14px}.keyboard-hints>span{display:flex;gap:10px;align-items:center}kbd{font:600 14px system-ui;letter-spacing:1px;background:#203c4a;color:#eaf2f3;border:1px solid #718a98;box-shadow:0 3px #091d26;padding:6px 9px;white-space:nowrap;border-radius:3px}.actions{display:flex;gap:15px}.actions button{display:flex;align-items:center;gap:25px;min-width:170px;justify-content:center;font-size:20px}.actions kbd{background:#0002;box-shadow:none;border-color:#fff3}.shield-button{background:#059a9d;color:#fff;border:2px solid #69e1dd;box-shadow:inset 0 -4px #087176,0 2px 0 2px #085e64;padding:13px 18px;min-height:54px}.shield-button.active{background:#50d3c5;box-shadow:0 0 22px #4de5d0}.fineprint{font-size:12px;color:#92adb7;padding:13px 25px;line-height:1.9;display:flex;gap:20px;justify-content:space-between;align-items:start}.fineprint details{max-width:800px}.fineprint summary{cursor:pointer}.fineprint a{color:#b2d9df}.fineprint p{margin:8px 0}.marker{position:absolute;z-index:3;transform:translate(-50%,-100%);pointer-events:none;color:#fff;font-size:12px;background:#183947e6;border:1px solid #f7d083;padding:5px 9px;box-shadow:2px 2px #0002;white-space:nowrap}.marker.done{border-color:#54caab;color:#a0efcf}#message{position:absolute;left:50%;bottom:25px;transform:translateX(-50%);max-width:80%;background:#14313ce8;color:#fff5d9;border:1px solid #8e957c;padding:11px 17px;font-size:14px;line-height:1.7;text-align:center;pointer-events:none;z-index:3}.interact{position:absolute;bottom:88px;left:50%;transform:translateX(-50%);background:#f3b440;border:2px solid #ffe2a1;color:#402a09;box-shadow:0 3px #9b641c;padding:12px 21px;font-size:16px;white-space:nowrap;z-index:4}.aim-note{position:absolute;bottom:8px;right:15px;color:#355c6e;font-size:11px;display:none}.pause-cover{position:absolute;inset:0;background:#0b242fd9;z-index:9;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;gap:16px;backdrop-filter:blur(6px)}.pause-cover strong{font-size:32px}.pause-cover span{font-size:16px;color:#b1d4db}.pause-cover button{background:#efb442;color:#2d2a1a;border:2px solid #ffe1a3;padding:13px 35px;font-size:18px}#dpad{display:none}dialog{width:min(560px,calc(100% - 28px));padding:28px;background:var(--paper);color:#192f3a;border:5px double #aa936b;box-shadow:0 24px 100px #0007;max-height:90svh;overflow:auto}dialog::backdrop{background:#0a2535b3;backdrop-filter:blur(3px)}.dialog-top{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:#8b734f}.dialog-top button{background:#ede4d2;border:1px solid #c6b28f;padding:8px 11px;color:#6a573b;font-size:13px}dialog h2{font-size:25px;line-height:1.5;margin:24px 0 15px}dialog p{font-size:16px;line-height:1.95}.history-callout{background:#e4eddf;border-left:4px solid #478877;padding:15px;font-size:15px;line-height:1.9;margin:20px 0 25px}dialog>.gold-button{width:100%;margin-top:15px}#answer-options{display:grid;gap:12px;margin:20px 0}#answer-options button{padding:14px 15px;text-align:left;background:#fff;border:2px solid #d6c9af;font-size:16px;line-height:1.6}#answer-options button.correct{border-color:#319f83;background:#e2f3e5}#answer-options button.wrong{border-color:#d99c44;background:#fff0d4}#answer-feedback{color:#387866;font-size:14px;min-height:20px}.touch-help{display:none}@media(max-width:1250px){.brand p{display:none}.brand h1{font-size:27px}.game-header{gap:16px;padding:15px 20px}#level-nav button{font-size:14px;padding:12px}.game-layout{grid-template-columns:minmax(0,1fr) 300px}.quest-panel{padding:22px 20px}.quest-heading h2{font-size:26px}.keyboard-hints{gap:14px;font-size:12px}.actions button{min-width:140px;font-size:18px;gap:16px}}@media(max-width:900px){.game-header{flex-wrap:wrap;gap:12px;padding:14px}.brand{order:0}.badge-count{order:1}.brand h1{font-size:25px}#level-nav{order:2;width:100%;gap:7px}#level-nav button{flex:1}.game-layout{grid-template-columns:1fr;height:auto;max-height:none}.play-area{height:530px;border-right:0;border-bottom:4px solid #34515d}.quest-panel{display:grid;grid-template-columns:1fr 1fr;gap:15px;overflow:visible}.quest-heading{grid-column:1/-1;display:flex;align-items:center;gap:12px}.quest-heading>span{white-space:nowrap}.quest-heading h2{margin:0}.quest-heading p{margin:0}.history-card{margin:0}.quest-panel>.gold-button{margin:0;align-self:start}.training-note{margin:0}.guide-link{align-self:end}.keyboard-hints{display:none}.control-bar{position:sticky;bottom:0;z-index:8;min-height:78px;padding:12px 18px;justify-content:center}.actions{width:100%;max-width:500px}.actions button{flex:1;min-width:0}.fineprint{display:block;padding-bottom:20px}.fineprint>span{display:block;margin-bottom:8px}#dpad{display:grid;position:absolute;bottom:70px;left:16px;grid-template-columns:repeat(3,43px);grid-template-rows:repeat(2,43px);gap:3px;z-index:5}#dpad button{background:#173943c9;color:#fff;border:1px solid #9fc3c780;font-size:19px;touch-action:none;user-select:none}#dpad button:first-child{grid-column:2}#dpad button:nth-child(2){grid-row:2;grid-column:1}#dpad button:nth-child(3){grid-row:2;grid-column:2}#dpad button:nth-child(4){grid-row:2;grid-column:3}.interact{bottom:78px;left:auto;right:15px;transform:none;font-size:14px;padding:12px}#message{bottom:14px;font-size:12px;max-width:92%;width:max-content;padding:9px 12px}.top-hud{left:13px;top:13px;max-width:calc(100% - 115px)}.top-hud>div{padding:8px 11px}.top-hud strong{font-size:14px}.top-hud span{font-size:11px}.view-tools{top:13px;right:12px;flex-direction:column;gap:5px}.view-tools button{min-height:34px;padding:7px;font-size:11px}}@media(max-width:500px){.brand svg{width:29px}.brand{gap:9px}.brand h1{font-size:23px}.badge-count{min-width:75px;padding-left:13px}.badge-count>span{font-size:11px}.badge-count strong{font-size:19px}.game-header{padding:12px}#level-nav button{font-size:13px;min-height:42px;padding:8px 5px}.play-area{height:480px}.quest-panel{display:flex;gap:0;padding:21px}.quest-heading{display:block}.quest-heading>span{font-size:12px}.quest-heading h2{font-size:27px;margin:6px 0}.quest-heading p{margin-bottom:13px}#quest-list{margin-bottom:18px}.history-card{margin-bottom:20px}.training-note{margin-top:13px}.guide-link{align-self:start;margin-top:9px}.top-hud{flex-direction:column;gap:5px}.top-hud>div{max-width:230px}#battle-hud{display:flex;gap:12px}.control-bar{padding-bottom:max(12px,env(safe-area-inset-bottom));min-height:75px}.actions button{font-size:18px;padding:11px 14px;gap:15px;min-height:48px}.actions kbd{display:none}.fineprint{font-size:12px;padding:14px 17px 25px}dialog{padding:23px 20px}dialog h2{font-size:23px}.marker{font-size:11px;padding:4px 6px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
.interact:not(:disabled):active{transform:translate(-50%,2px)}
@media(max-width:900px){.interact:not(:disabled):active{transform:translateY(2px)}}
.actions button{touch-action:none;user-select:none}
#level-nav button.selected:disabled{opacity:1;filter:none}
#fullscreen-button{color:#fff;background:#234855;border:1px solid #7ba3ad;padding:10px 12px;white-space:nowrap;font-size:13px;min-height:40px}
#quest-toggle{display:none}
body.play-mode{height:100dvh;display:flex;flex-direction:column;overflow:hidden;padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
.play-mode .game-header{flex-shrink:0;min-height:60px;padding:8px 16px;gap:12px}
.play-mode .game-layout{flex:1;min-height:0;height:auto;max-height:none;position:relative;grid-template-columns:minmax(0,1fr) 300px}
.play-mode .play-area{height:100%;min-height:0}
.play-mode .quest-panel{display:flex;overflow:auto;min-height:0;padding:18px}
.play-mode .control-bar{flex-shrink:0;position:relative;min-height:65px;padding:9px 18px;padding-bottom:max(9px,env(safe-area-inset-bottom))}
.play-mode .fineprint{display:none}
.play-mode .actions button{min-height:44px;padding:8px 16px}
.play-mode .quest-heading{display:block}
@media(max-width:1100px) and (max-height:600px), (max-width:900px){
 .play-mode .game-layout{grid-template-columns:1fr}
 .play-mode .quest-panel{display:none;position:absolute;right:0;top:0;bottom:0;width:min(290px,78vw);z-index:7;box-shadow:-12px 0 30px #0005;padding-top:48px}
 .play-mode.quest-open .quest-panel{display:flex}
 .play-mode #quest-toggle{display:block;position:relative;z-index:8}
 .play-mode .view-tools{z-index:8;flex-direction:row;right:10px;top:10px;gap:5px}
 .play-mode .view-tools button{min-height:34px;padding:7px;font-size:11px}
 .play-mode #dpad{display:grid;bottom:16px;left:16px}
 .play-mode #message{bottom:14px;left:165px;right:15px;max-width:none;width:auto;transform:none;padding:7px 10px;font-size:12px}
 .play-mode .interact{bottom:82px;left:auto;right:15px;transform:none;font-size:14px;padding:10px}
 .play-mode .interact:not(:disabled):active{transform:translateY(2px)}
 .play-mode .keyboard-hints{display:none}
 .play-mode .actions{max-width:440px;margin-left:auto}
 .play-mode .actions kbd{display:none}
 .play-mode .top-hud{top:10px;left:10px;max-width:calc(100% - 230px);flex-direction:row;gap:6px}
 .play-mode .top-hud>div{padding:6px 9px}
 .play-mode .top-hud strong{font-size:13px}
}
@media(orientation:landscape) and (max-height:600px){
 .play-mode .game-header{flex-wrap:nowrap;min-height:49px;padding:5px 12px;gap:10px}
 .play-mode .brand{flex:0 0 auto;gap:7px}
 .play-mode .brand h1{font-size:19px;letter-spacing:0}
 .play-mode .brand svg{width:24px;height:28px}
 .play-mode .brand p,.play-mode .badge-count{display:none}
 .play-mode #level-nav{order:0;flex:1;width:auto;gap:5px}
 .play-mode #level-nav button{font-size:11px;padding:6px;min-height:33px;white-space:nowrap}
 .play-mode #fullscreen-button{padding:6px 9px;min-height:33px;font-size:11px}
 .play-mode .control-bar{min-height:55px;padding-top:6px;padding-bottom:max(6px,env(safe-area-inset-bottom))}
 .play-mode .actions button{font-size:16px;min-height:39px}
 .play-mode #battle-hud{display:flex;gap:8px}
 .play-mode #dpad{grid-template-columns:repeat(3,38px);grid-template-rows:repeat(2,38px)}
 dialog{max-height:94dvh;padding:16px 22px}dialog h2{margin:12px 0;font-size:21px}dialog p{margin:10px 0;font-size:14px}.history-callout{margin:10px 0;padding:10px}dialog>.gold-button{padding:10px;min-height:43px}
}
@media(max-width:600px){
 #fullscreen-button{order:1;margin-left:auto;padding:7px 9px;min-height:34px;font-size:12px}
 .game-header{gap:8px}.badge-count{min-width:59px;padding-left:8px}.brand h1{font-size:21px}
 .play-mode .top-hud{max-width:180px;top:55px;flex-direction:column}
}
/* Fullscreen uses the entire viewport. Controls are an optional overlay. */
#fullscreen-menu{display:none}
body.immersive{padding:0}
.immersive .game-header,.immersive .control-bar,.immersive .view-tools,.immersive #dpad{display:none}
.immersive .game-layout{grid-template-columns:1fr;width:100%;height:100%;flex:1}
.immersive .play-area{border:0}
.immersive #fullscreen-menu{display:flex;position:fixed;top:max(10px,env(safe-area-inset-top));right:max(12px,env(safe-area-inset-right));gap:7px;z-index:20}
#fullscreen-menu button{background:#17353de0;color:#fff;border:1px solid #83a6ad80;padding:9px 12px;font-size:12px;min-height:40px}
.immersive .quest-panel{display:none;position:absolute;right:0;top:0;bottom:0;width:min(320px,85vw);z-index:7;overflow:auto;padding:100px 20px 100px;box-shadow:-10px 0 30px #0005}
.immersive.controls-open.quest-open .quest-panel{display:flex}
.immersive.controls-open .view-tools{display:flex;flex-direction:row;top:max(58px,calc(env(safe-area-inset-top) + 48px));right:12px;z-index:8}
.immersive #quest-toggle{display:block}
.immersive.controls-open .control-bar{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:8;min-height:0;padding:16px max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom));background:none;border:0;pointer-events:none}
.immersive .keyboard-hints{display:none}
.immersive .actions{pointer-events:auto;margin-left:auto;max-width:300px}
.immersive .actions button{min-width:0;flex:1;font-size:16px;gap:0;padding:10px 12px;min-height:44px}
.immersive .actions kbd{display:none}
.immersive.controls-open #dpad{display:grid;position:absolute;bottom:max(18px,env(safe-area-inset-bottom));left:max(16px,env(safe-area-inset-left));grid-template-columns:repeat(3,40px);grid-template-rows:repeat(2,40px);gap:3px;z-index:8}
.immersive #dpad button{background:#173943c9;color:white;border:1px solid #9fc3c780;font-size:19px;touch-action:none;user-select:none}
.immersive #dpad button:first-child{grid-column:2}.immersive #dpad button:nth-child(2){grid-row:2;grid-column:1}.immersive #dpad button:nth-child(3){grid-row:2;grid-column:2}.immersive #dpad button:nth-child(4){grid-row:2;grid-column:3}
.immersive #message{left:50%;right:auto;bottom:16px;transform:translateX(-50%);width:max-content;max-width:85%}
.immersive.controls-open #message{bottom:118px;max-width:75%}
.immersive .top-hud{top:12px;left:12px;max-width:calc(100% - 220px)}
.immersive .interact{bottom:165px;left:50%;right:auto;transform:translateX(-50%)}
.immersive .interact:not(:disabled):active{transform:translate(-50%,2px)}
@media(max-width:500px){.immersive .actions{max-width:calc(100vw - 175px)}.immersive .actions button{font-size:14px;padding:10px 8px}.immersive .top-hud{top:62px;max-width:210px}}