:root{color-scheme:dark;--ink:#0b1220;--panel:#101c2d;--paper:#f4f3e9;--muted:#bcc8d7;--gold:#ffd48a;--cyan:#92e8ee;--purple:#b9a1ff;--line:#405067}
*{box-sizing:border-box}body{margin:0;background:var(--ink);color:var(--paper);font:16px/1.5 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,select,input{font:inherit}button{cursor:pointer;border:1px solid var(--line);background:#152337;color:var(--paper);border-radius:8px;padding:10px 16px;min-height:44px;font-weight:650}button:hover{background:#213650;border-color:var(--gold)}button:focus-visible,select:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid var(--gold);outline-offset:4px}button:disabled{cursor:default;opacity:.65}button[hidden],[hidden]{display:none!important}a{color:var(--cyan)}.game{position:relative;min-height:810px;height:100svh;overflow:hidden;background:radial-gradient(ellipse at 65% 35%,#27394b,#0b1220 70%)}#world,.vignette{position:absolute;inset:0}#world canvas{width:100%;height:100%;display:block;touch-action:none}.vignette{pointer-events:none;background:linear-gradient(90deg,rgba(4,10,18,.86),transparent 68%),linear-gradient(0deg,rgba(4,10,18,.85),transparent 45%)}.hud{position:relative;z-index:3;display:flex;align-items:center;gap:24px;padding:22px 30px;border-bottom:1px solid #ffffff15;background:#08111bc9}.identity{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:850;letter-spacing:.13em}.identity small{display:block;font:9px/1.7 monospace;letter-spacing:.1em;color:var(--muted)}.brand-mark{font-size:30px;color:var(--gold)}nav{display:flex;gap:8px;margin-left:auto}nav button{font-size:12px;padding:8px 12px;background:#121c2d}.health{display:flex;gap:20px;flex:1;max-width:540px;margin:auto}.health>div{flex:1}.health span{display:flex;justify-content:space-between;font:10px/1.7 monospace;letter-spacing:.06em;color:var(--muted)}.health b{color:var(--paper);font-weight:500}meter{width:100%;height:12px;appearance:none;background:#29364a;border-radius:4px}meter::-webkit-meter-bar{background:#29364a;border:0;border-radius:4px}meter::-webkit-meter-optimum-value{background:var(--cyan);border-radius:4px}#boss::-webkit-meter-optimum-value{background:var(--purple)}meter::-moz-meter-bar{background:var(--cyan)}.archive-label{position:absolute;top:110px;left:36px;display:flex;align-items:center;gap:12px;font:10px monospace;letter-spacing:.18em;color:var(--muted)}.dot{width:6px;height:6px;background:var(--gold);border-radius:50%}.divider{color:#6c7a8a}.panel{position:absolute;z-index:2;left:36px;bottom:88px;width:min(490px,calc(100% - 72px))}.eyebrow{font:11px/1.8 monospace;letter-spacing:.18em;color:var(--gold);margin:0 0 10px}.menu h1{font-family:Impact,"Arial Narrow",sans-serif;font-weight:400;font-size:clamp(55px,6vw,90px);line-height:.98;letter-spacing:.02em;margin:0 0 18px;text-transform:uppercase}.menu h1 span{color:var(--gold)}.subtitle{font-family:Georgia,serif;font-size:21px;font-style:italic;margin:0 0 20px;color:var(--muted)}.intro{max-width:400px;color:#d5dfeb;font-size:15px;margin-bottom:24px}.primary{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:50px;background:var(--gold);color:#142031;border-color:var(--gold);font-size:15px;padding:13px 24px;box-shadow:0 4px 25px #ffd48a18}.primary:hover{background:#ffe6b5;color:#0b1220}.menu-actions{display:flex;flex-wrap:wrap;gap:12px}.howto{margin-top:26px;max-width:440px;border-top:1px solid var(--line);padding-top:17px;display:flex;gap:18px;color:var(--muted);font-size:12px}.howto b{display:block;color:var(--paper);font-weight:650;margin-bottom:3px}.best{font:11px monospace;letter-spacing:.06em;color:var(--gold);margin-top:18px}.scene-status{position:absolute;top:39%;right:12%;width:280px;text-align:center;color:#e0d4ff;text-shadow:0 2px 12px #000;font-family:Georgia,serif;font-style:italic;font-size:18px;pointer-events:none}.game-footer{position:absolute;bottom:0;left:0;width:100%;padding:20px 36px;border-top:1px solid #ffffff18;display:flex;justify-content:space-between;color:#a7b5c8;font:10px monospace;letter-spacing:.14em;background:#08111bb3}.scoreboard{position:absolute;left:36px;right:36px;top:111px;display:flex;justify-content:space-between;font:11px monospace;letter-spacing:.08em;color:var(--gold)}.scoreboard b{color:var(--paper);font-size:17px;margin-left:6px}.scoreboard small{color:var(--cyan);margin-left:10px}.game.playing .archive-label{display:none}.game.playing .scene-status{top:31%;right:calc(50% - 140px)}.game.playing .panel{left:50%;transform:translateX(-50%);bottom:78px;width:min(750px,calc(100% - 48px))}.focus-card{background:#0e192bea;border:1px solid #52677f;border-radius:14px;padding:24px 28px;box-shadow:0 16px 60px #0008;backdrop-filter:blur(8px)}.focus-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.tag{font:10px monospace;letter-spacing:.13em;color:var(--gold);text-transform:uppercase}.timer{font:12px monospace;color:var(--cyan)}.timer.urgent{color:var(--gold)}.question{font-size:clamp(19px,2.4vw,26px);line-height:1.35;margin:12px 0 20px;font-weight:650}.answers{display:grid;grid-template-columns:1fr 1fr;gap:10px}.answer{display:flex;align-items:center;text-align:left;gap:12px;font-size:15px;min-height:62px;padding:10px 14px;background:#17283f}.answer kbd{font:12px monospace;display:inline-grid;place-items:center;flex:0 0 28px;height:28px;border:1px solid #6c7b90;border-radius:5px;color:var(--gold)}.answer.correct{border:2px solid var(--cyan);background:#143638;color:#fff;opacity:1}.answer.wrong{border:2px solid #ffa9aa;background:#492831;color:#fff;opacity:1}.answer:disabled{opacity:.75}.feedback{margin-top:16px;color:var(--paper);padding-top:14px;border-top:1px solid #52677f}.feedback p{margin:5px 0 10px;font-size:14px}.feedback strong{color:var(--cyan)}.feedback a{font-size:12px}.feedback .next-row{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:14px}.feedback .primary{min-height:44px;padding:9px 20px;font-size:14px}.explore-card{padding:20px 26px;display:flex;align-items:center;gap:24px}.explore-card h2{font-size:21px;margin:5px 0}.explore-card p{color:var(--muted);font-size:13px;margin:0}.explore-card>div{flex:1}.explore-card .primary{white-space:nowrap}.movement{position:absolute;left:28px;bottom:235px;z-index:2;text-align:center;user-select:none}.movement button{width:44px;padding:8px;touch-action:none}.movement>div{display:flex;gap:5px;margin-top:5px}.result h2{font-family:Georgia,serif;font-weight:500;font-size:38px;line-height:1.2;margin:10px 0}.result p{font-size:14px;color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}.stats b{display:block;font:27px monospace;color:var(--gold)}.stats span{font-size:11px;color:var(--muted)}.recap{max-height:155px;overflow:auto;padding-right:10px;margin:18px 0;color:var(--muted);font-size:13px}.recap summary{cursor:pointer;color:var(--paper);min-height:44px;display:flex;align-items:center}.recap p{padding-left:12px;border-left:2px solid var(--line)}.result-actions{display:flex;gap:10px;flex-wrap:wrap}.text-button{border:0;background:transparent;color:var(--muted);font-size:13px}.text-button:hover{background:#1e3046;color:var(--paper)}dialog{background:#101c2d;color:var(--paper);border:1px solid #60728a;border-radius:16px;width:min(460px,calc(100% - 28px));padding:26px;max-height:92svh}dialog::backdrop{background:#030810c9;backdrop-filter:blur(8px)}dialog h2{font:32px Georgia,serif;margin:0 0 18px}dialog label{font-size:14px}dialog select{display:block;width:100%;background:#17283f;color:var(--paper);border:1px solid #6c7b90;padding:12px;border-radius:8px;margin:8px 0 18px}.check{display:block;position:relative;padding-left:30px;margin:14px 0}.check input{position:absolute;left:0;top:3px;width:18px;height:18px;accent-color:var(--gold)}.check small{display:block;font-size:12px;color:var(--muted);margin-top:3px}.settings-note{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}.game.render-fallback #world:after{content:'✦';position:absolute;right:21%;top:24%;color:var(--purple);font-size:140px;text-shadow:0 0 80px #9e74ff}.render-note{font-size:11px;color:var(--muted);margin:8px 0}.reduced *{scroll-behavior:auto!important}
@media(max-width:800px){.hud{padding:14px 16px;gap:12px;flex-wrap:wrap}.identity{font-size:11px}.identity small{font-size:8px}nav{gap:5px}nav button{padding:8px 10px}#settings span{display:none}.health{order:3;max-width:none;flex-basis:100%;gap:20px}.archive-label{top:90px;left:24px}.panel{left:24px;width:calc(100% - 48px)}.scene-status{right:8%;top:23%;width:190px;font-size:15px}.menu h1{font-size:62px}.game-footer{padding:16px 24px;font-size:9px;letter-spacing:.04em}.game-footer span:last-child{display:none}.scoreboard{left:18px;right:18px;top:145px}.game.playing .scene-status{top:25%}.game.playing .panel{bottom:64px}.movement{left:16px;bottom:260px}.focus-card{padding:20px}.question{font-size:21px}.answer{font-size:14px}.explore-card{gap:15px}.explore-card .primary{padding:12px 16px}}
@media(max-width:480px){.game{min-height:860px}.hud{padding:12px}.identity{gap:6px;letter-spacing:.06em}.brand-mark{font-size:23px}nav button{font-size:11px;padding:6px 9px}.archive-label{top:86px;left:20px}.panel{left:20px;width:calc(100% - 40px);bottom:65px}.menu h1{font-size:58px}.subtitle{font-size:19px}.intro{font-size:14px;max-width:330px}.scene-status{right:4%;top:22%;width:180px;font-size:14px}.game.playing .panel{width:calc(100% - 24px)}.game.playing .scene-status{top:24%}.focus-card{padding:18px 16px}.answers{grid-template-columns:1fr;gap:8px}.answer{min-height:48px;font-size:14px}.question{font-size:20px;margin:12px 0 16px}.explore-card{flex-direction:column;align-items:stretch;text-align:center;padding:20px}.howto{gap:12px;font-size:11px}.movement{bottom:290px}.feedback .next-row{align-items:flex-start}.feedback p{font-size:13px}.result h2{font-size:30px}.result .stats{margin:12px 0}.recap{max-height:120px}.game-footer{padding:16px}.tag{font-size:9px}.scoreboard{font-size:9px;top:141px}.scoreboard small{display:block;text-align:right}.feedback .primary{padding:9px 14px}.game.playing.feedback-mode{min-height:980px}}
@media(max-width:480px){.game:not(.playing) .scene-status{display:none}}
@media(max-height:600px) and (min-width:600px){.game{min-height:760px}.menu h1{font-size:58px}.scene-status{top:27%}}
/* The focus target follows the real 3D object; it has no button chrome. */
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.menu h1{font-size:clamp(46px,5vw,72px)}
.menu h1 span{display:block;font-size:.73em;line-height:1.1;margin-top:5px}
.crystal-marker{position:absolute;z-index:1;pointer-events:none;width:0;height:0}
button.crystal-target{position:absolute;left:0;top:0;transform:translate(-50%,-50%);pointer-events:auto;border:0;border-radius:0;background:transparent;padding:0;min-height:44px;box-shadow:none;cursor:pointer;outline:none}
button.crystal-target:hover{background:transparent}
.crystal-focus{position:absolute;inset:-7px;border:2px dashed #fff6d7;border-radius:12px;opacity:0;box-shadow:0 0 0 2px #172338,0 0 25px #ffc32c70}
.crystal-target:focus-visible .crystal-focus{opacity:1}
.crystal-target:focus-visible:after{content:'Enter to collect';position:absolute;left:50%;top:calc(100% + 12px);transform:translateX(-50%);white-space:nowrap;color:#fff8de;font-size:12px;text-shadow:0 2px 3px #000;background:#0d1727e8;padding:3px 8px;border-radius:4px}
.crystal-label{position:absolute;left:25px;bottom:40px;color:#fff3bb;font-size:13px;line-height:1.2;white-space:nowrap;font-weight:700;text-shadow:0 2px 8px #000;background:#131b25df;border:1px solid #c5914280;padding:6px 9px;border-radius:5px}
.crystal-arrow{position:absolute;bottom:-23px;left:-15px;font-size:28px;line-height:1;color:#ffdd76;text-shadow:0 0 14px #ffb627}
.crystal-marker[data-side=left] .crystal-label{left:auto;right:25px}
.crystal-marker[data-side=left] .crystal-arrow{left:auto;right:-15px;transform:scaleX(-1)}
.crystal-marker.offscreen{left:0!important;top:0!important}
.crystal-marker.offscreen .crystal-target{width:1px!important;height:1px!important;min-height:0;clip-path:inset(50%);overflow:hidden}
.crystal-marker.offscreen .crystal-label{display:none}
.onboarding{position:absolute;z-index:2;top:160px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:12px;padding:8px 17px 8px 12px;border:1px solid #cb9c4f70;border-radius:10px;background:#0b1726e8;box-shadow:0 4px 24px #0005;pointer-events:none;max-width:calc(100% - 24px)}
.onboarding img{flex-shrink:0;filter:drop-shadow(0 0 8px #ffc22d80)}
.onboarding strong{font-size:15px;display:block;color:#fff2c1;white-space:nowrap}.onboarding small{display:block;color:#d7dfeb;font-size:12px}
.keyboard-tip{display:block;color:#bac6d6;font-size:11px;margin-top:9px;line-height:1.5}
.explore-card h2{font-size:21px;line-height:1.25}.explore-card .primary{font-size:14px;padding:12px 18px}
.game.exploring .scene-status{top:25%;font:14px system-ui,sans-serif;color:#fff3bb}
.fallback-gem{display:none}
.fallback-crystal{left:50%!important;top:44%!important}.fallback-crystal .crystal-target{width:64px;height:82px}.fallback-crystal .fallback-gem{display:block;width:100%;height:100%;filter:drop-shadow(0 0 15px #ffbe26a0)}
.fallback-crystal .crystal-target:hover .fallback-gem,.fallback-crystal .crystal-target:focus-visible .fallback-gem{transform:scale(1.09);filter:drop-shadow(0 0 24px #ffbe26)}
.fallback-crystal.hinting .fallback-gem{animation:crystal-hint 1s ease-in-out infinite}
.game.render-fallback #world:after{content:''}
@keyframes crystal-hint{50%{filter:drop-shadow(0 0 34px #ffbd18);transform:translateY(-3px)}}
@media(prefers-reduced-motion:reduce){.fallback-crystal.hinting .fallback-gem{animation:none;filter:drop-shadow(0 0 30px #ffbe26)}}
.reduced .fallback-crystal.hinting .fallback-gem{animation:none;filter:drop-shadow(0 0 30px #ffbe26)}
@media(max-width:800px){.onboarding{top:178px}.explore-card{gap:16px}.game.exploring .scene-status{top:29%}.menu h1{font-size:62px}}
@media(max-width:480px){.onboarding{top:174px;padding:6px 12px;gap:8px}.onboarding strong{font-size:13px}.onboarding small{font-size:11px}.onboarding img{width:30px;height:40px}.game.exploring .scene-status{top:28%;font-size:12px}.explore-card{padding:16px;gap:13px}.explore-card h2{font-size:20px}.keyboard-tip{font-size:10px}.movement{bottom:320px}.crystal-label{font-size:12px}.menu h1{font-size:60px}}