:root{color-scheme:dark;--ink:#f5f5e9;--muted:#bdc7b9;--lime:#d0ed9c;--orange:#e96b42;--sans:'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif}*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden}body{font-family:var(--sans);color:var(--ink);background:#202820;font-size:14px}button,input{font:inherit}button{cursor:pointer;touch-action:manipulation}button:disabled{opacity:.4;cursor:not-allowed}button:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid var(--lime);outline-offset:4px}[hidden]{display:none!important}.camera-stage{position:fixed;inset:0;isolation:isolate;overflow:hidden;background:radial-gradient(ellipse at 55% 35%,#475443,#253027 60%,#1a221c)}.camera-stage video,.camera-stage canvas{position:absolute;inset:0;width:100%;height:100%}.camera-stage video{object-fit:cover;object-position:center}.camera-stage:not(.active) video{visibility:hidden}.camera-stage.mirrored video,.camera-stage.mirrored #skeleton{transform:scaleX(-1)}#skeleton{z-index:1;pointer-events:none}#bugs{z-index:2;pointer-events:none}.glass{background:#20271ed6;border:1px solid #ffffff21;box-shadow:0 4px 24px #00000012;backdrop-filter:blur(12px)}.game-hud{position:absolute;z-index:4;left:max(24px,env(safe-area-inset-left));top:max(24px,env(safe-area-inset-top));padding:10px 20px 12px 12px;border-radius:22px;display:flex;gap:10px;align-items:center;min-width:134px}.bug-mark{width:48px;height:55px}.game-hud strong{display:block;font-family:'Avenir Next','Helvetica Neue',sans-serif;font-size:38px;font-weight:650;line-height:1.05;font-variant-numeric:tabular-nums;letter-spacing:-1px}.game-hud span:not([hidden]){display:block;font-size:11px;color:#e6ebdd;margin-top:4px}.game-controls{position:absolute;z-index:8;right:max(24px,env(safe-area-inset-right));top:max(24px,env(safe-area-inset-top));display:flex;gap:12px}.icon-button{width:48px;height:48px;border-radius:50%;color:var(--ink);display:grid;place-items:center;padding:12px}.icon-button:hover{background:#48513fe8}.icon-button svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:2;stroke-linejoin:round;stroke-linecap:round}.pause-symbol{stroke-width:4}.play-symbol{display:none;fill:currentColor;stroke:none}.is-paused .pause-symbol{display:none}.is-paused .play-symbol{display:block}.empty-state{position:absolute;z-index:3;inset:120px 24px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;text-shadow:0 2px 20px #192018}.wordmark{font-size:18px;letter-spacing:2px;margin:0 0 22px}.wordmark span{display:block;font:9px 'Avenir Next',sans-serif;letter-spacing:3px;color:var(--muted);margin-top:7px}h1{font-weight:500;font-size:clamp(25px,3.4vw,44px);letter-spacing:-1px;margin:0 0 15px}.empty-state>p:not(.wordmark){color:var(--muted);margin:0 0 30px;font-size:13px}.empty-state small{font-size:10px;color:#adbaa5;margin-top:17px}.button{min-height:44px;padding:12px 23px;border:0;border-radius:12px;display:inline-flex;justify-content:center;align-items:center;gap:20px;font-size:13px;font-weight:500}.primary{background:var(--lime);color:#233020}.primary:hover{background:#e0f5b9}.secondary{background:#ffffff0d;color:var(--ink);border:1px solid #ffffff26;width:100%}.quiet{background:transparent;color:var(--muted)}.empty-state .primary{min-width:200px;min-height:50px}.unlock-preview{position:absolute;z-index:4;left:50%;bottom:max(24px,env(safe-area-inset-bottom));transform:translateX(-50%);border-radius:22px;display:flex;align-items:center;gap:20px;width:max-content;max-width:calc(100% - 32px);padding:14px 20px}.unlock-copy{min-width:0}.unlock-copy p{margin:0 0 10px;font-size:13px;line-height:1.5}.unlock-meter{height:5px;border-radius:10px;background:#ffffff25;overflow:hidden}.unlock-meter:before{content:'';display:block;width:var(--progress,0%);height:100%;background:var(--lime);border-radius:10px;transition:width .3s}.reward-bug{width:36px;height:43px;border-radius:45%;background:var(--bug-color,#ee8c68);color:#273329;font:bold 25px Georgia,serif;display:grid;place-items:center;border:2px solid #19251c;flex-shrink:0;transform:rotate(12deg)}.camera-message{position:absolute;z-index:4;bottom:max(122px,calc(env(safe-area-inset-bottom) + 100px));left:50%;transform:translateX(-50%);border-radius:14px;padding:12px 18px;max-width:min(520px,calc(100% - 40px));display:flex;align-items:center;gap:14px;text-align:center;font-size:13px}.camera-message p{margin:0;line-height:1.6}.camera-message span{color:var(--lime);font-variant-numeric:tabular-nums}.game-announcement{position:absolute;z-index:5;top:24%;left:50%;transform:translateX(-50%);max-width:calc(100% - 40px);text-align:center;background:#23341ee8;border:1px solid #d0ed9c66;border-radius:16px;padding:12px 22px;font-size:20px;font-weight:600;box-shadow:0 8px 30px #0003}.game-announcement:empty{display:none}.game-announcement.round-clear{background:#e7c874;color:#263229}.paused-overlay,.loading-overlay{position:absolute;z-index:6;inset:0;background:#18221adb;backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:24px}.paused-overlay h2{font-size:28px;font-weight:500;margin:18px 0 12px}.paused-overlay p{font-size:12px;color:var(--muted);margin:0 0 28px}.pause-emblem{font-size:35px;color:var(--lime)}.loading-overlay{z-index:7;gap:20px}.loading-overlay strong{font-weight:500}.spinner{width:28px;height:28px;border:2px solid #fff3;border-top-color:var(--lime);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-banner{position:absolute;z-index:9;top:120px;left:50%;transform:translateX(-50%);width:min(520px,calc(100% - 40px));background:#53362df5;border:1px solid #f2b69c88;border-radius:12px;padding:16px 20px;font-size:13px;line-height:1.7}.count-pop{animation:count-pop .35s ease-out}@keyframes count-pop{50%{transform:scale(1.12);color:var(--lime)}}
/* Native dialogs provide focus containment and Escape support. */
dialog{color:var(--ink);background:#252e26;border:1px solid #ffffff24;border-radius:24px;padding:25px;width:min(430px,calc(100% - 32px));max-height:calc(100dvh - 40px);overflow:auto;box-shadow:0 24px 100px #0006}dialog::backdrop{background:#0d160d66;backdrop-filter:blur(4px)}.dialog-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}.dialog-header h2{font-weight:500;font-size:22px;margin:0}.close-button{color:var(--muted);background:transparent;border:0;font-size:27px;line-height:1;width:40px;height:40px;border-radius:50%}.close-button:hover{background:#ffffff0a}.menu-note{font-size:11px;line-height:1.8;color:#aebca6;margin:5px 0 15px}.settings-toggles{margin:18px 0}.toggle{display:flex;align-items:center;justify-content:space-between;position:relative;gap:12px;min-height:43px;font-size:13px;cursor:pointer}.toggle input{position:absolute;right:0;width:38px;height:26px;opacity:0}.switch{width:34px;height:20px;background:#586151;border-radius:20px;position:relative;pointer-events:none}.switch:before{content:'';position:absolute;top:3px;left:3px;width:14px;height:14px;background:#f4f5e9;border-radius:50%;transition:transform .15s}.toggle input:checked+.switch{background:#90b565}.toggle input:checked+.switch:before{transform:translateX(14px)}.toggle input:focus-visible+.switch{outline:2px solid var(--lime);outline-offset:4px}.settings-section{border-top:1px solid #ffffff17;padding-top:17px;margin-top:17px}.settings-section h3{font-size:13px;font-weight:500;margin:0 0 12px}.segmented{background:#151d1588;display:flex;border-radius:10px;padding:4px;margin-bottom:8px}.segmented button{flex:1;padding:10px 8px;border:0;border-radius:7px;background:transparent;color:#b0bba8;font-size:12px}.segmented [aria-pressed=true]{color:#21301c;background:#d0e8b5}summary{cursor:pointer;font-size:13px;line-height:1.8}summary>span{float:right;color:#a6b39e;font-size:11px}.species-list{display:grid;grid-template-columns:1fr 1fr;gap:18px 8px;margin:20px 0}.species{display:flex;gap:10px;align-items:center;font-size:12px;color:#87937e}.species>i{display:grid;place-items:center;border:1px dashed #6a7661;width:30px;height:36px;border-radius:46%;font:20px Georgia,serif}.species.unlocked{color:#eef3e5}.species.unlocked>i{background:var(--bug-color);color:#273329;border-style:solid;border-color:#182718}.species small{display:block;font-size:10px;color:#9dac92;margin-top:4px}.diagnostics h3{margin-top:15px}.diagnostics p{font-size:11px;color:#afbaa6;line-height:1.8}.depth-heading{display:flex;justify-content:space-between;font-size:11px;margin:18px 0 9px;color:var(--muted)}.depth-track{height:6px;border-radius:4px;background:#ffffff1a;position:relative;margin-bottom:22px}.depth-track>div{height:100%;width:0;border-radius:4px;background:#b4cf9a}.depth-track>i{position:absolute;left:75%;top:-3px;width:2px;height:12px;background:var(--orange)}.diagnostic-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;font-size:10px;color:var(--muted)}.diagnostic-grid strong{display:block;color:var(--ink);font-size:13px;margin-top:5px;font-weight:500}.menu-actions{border-top:1px solid #ffffff17;padding-top:16px;margin-top:20px;display:flex;justify-content:space-between;gap:10px}.text-button{border:0;background:transparent;color:#d3ddc8;font-size:11px;padding:8px 0}.text-button:hover{color:#fff}.danger{color:#f2ab8b}.footer-note{margin:12px 0 0;font-size:10px}#help-dialog ol{padding-left:22px;font-size:13px;line-height:2.2;margin:24px 0}#help-dialog>.button{width:100%}
@media(max-width:600px){.game-hud{top:max(16px,env(safe-area-inset-top));left:max(16px,env(safe-area-inset-left));min-width:108px;padding:10px 13px 10px 9px;border-radius:18px;gap:6px}.bug-mark{width:36px;height:43px}.game-hud strong{font-size:30px}.game-hud span:not([hidden]){font-size:10px}.game-controls{top:max(16px,env(safe-area-inset-top));right:max(16px,env(safe-area-inset-right));gap:8px}.icon-button{width:42px;height:42px;padding:10px}.icon-button svg{width:22px;height:22px}.unlock-preview{gap:13px;padding:12px 16px;border-radius:18px;bottom:max(16px,env(safe-area-inset-bottom))}.unlock-copy p{font-size:11px}.reward-bug{width:29px;height:35px;font-size:21px}.game-announcement{font-size:16px;top:22%}.camera-message{font-size:12px;bottom:max(112px,calc(env(safe-area-inset-bottom) + 90px))}dialog{padding:20px;border-radius:20px}.empty-state{inset:110px 18px}.empty-state>p:not(.wordmark){font-size:12px}}@media(max-height:500px){.empty-state{inset:85px 20px 95px}.wordmark,.empty-state small{display:none}.empty-state h1{font-size:25px}.empty-state>p:not(.wordmark){margin-bottom:16px}.unlock-preview{padding:10px 16px}.game-hud{top:14px}.game-controls{top:14px}.paused-overlay h2{font-size:24px;margin:8px}.pause-emblem{display:none}}@media(prefers-reduced-motion:reduce){*,*:before{animation:none!important;transition:none!important}}
/* Keep the start instructions readable before the camera takes over. */
.camera-stage:not(.active) #bugs{opacity:.2}
.camera-stage:not(.active) #roaches{opacity:.2}
#roaches{z-index:3;pointer-events:none}
.reward-bug{width:48px;height:48px;transform:none;border:0;border-radius:0;background:transparent}
.reward-bug svg,.species-list i svg{display:block;width:100%;height:100%}
.species-list .unlocked i{background:transparent;border:0;border-radius:0}
.volume-control{display:grid;grid-template-columns:68px minmax(0,1fr) 42px;align-items:center;gap:12px;min-height:35px;font-size:12px;color:#d3ddc8}.volume-control input{width:100%;accent-color:var(--lime)}.volume-control output{text-align:right;font-variant-numeric:tabular-nums}
/* The camera stays visible: the player is the centre of the victory screen. */
.win-overlay{position:absolute;z-index:6;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:28px 20px;color:#fffde9;background:radial-gradient(ellipse at 50% 48%,#14221635 15%,#111d166b 75%,#111d16a3);text-shadow:0 3px 22px #07140dc9}
.win-emblem{position:relative;width:78px;height:78px;margin-bottom:14px;filter:drop-shadow(0 4px 20px #d8ff7540)}
.win-emblem svg{width:100%;height:100%;fill:#dcf79d;transform:rotate(-9deg)}
.win-emblem>span{position:absolute;inset:0;display:grid;place-items:center;color:#213620;text-shadow:none;font-size:39px;font-weight:800}
.win-kicker{font-size:12px;letter-spacing:.35em;color:#e4ffb5;font-weight:600}
.win-overlay h2{font-size:clamp(48px,8.5vw,108px);font-weight:850;line-height:1.1;letter-spacing:-.06em;margin:18px 0 14px;transform:rotate(-3deg)}
.win-score{display:flex;align-items:baseline;justify-content:center;gap:10px;font-family:'Avenir Next','Helvetica Neue',sans-serif;font-variant-numeric:tabular-nums;line-height:1}
.win-score strong{font-size:clamp(72px,10vw,128px);font-weight:800;letter-spacing:-.08em;color:#e0ff99}
.win-score>span{font-size:26px;color:#e2ead6;font-weight:500}
.win-overlay .win-message{font-size:18px;letter-spacing:.12em;margin:16px 0 28px;color:#f0f5e6}
.win-actions{display:flex;align-items:center;flex-direction:column;gap:12px}
.win-actions .button{min-width:190px;min-height:52px;border-radius:100px;font-size:15px;font-weight:650;box-shadow:0 4px 28px #0a190e55;text-shadow:none}
.win-actions small{font-size:11px;color:#e0e8d5;letter-spacing:.04em}
[data-finale="burst"] .win-actions{visibility:hidden;pointer-events:none}
[data-finale="burst"] .win-overlay h2{animation:win-slam .65s cubic-bezier(.16,1,.3,1) both}
[data-finale="burst"] .win-score{animation:win-score .6s .15s cubic-bezier(.16,1,.3,1) both}
[data-finale="burst"] .win-emblem{animation:win-stamp .65s .08s cubic-bezier(.16,1,.3,1) both}
[data-finale="settled"] .win-actions{animation:win-actions .4s ease-out both}
[data-finale="impact"] #roaches{animation:final-impact .22s linear both;transform-origin:center}
[data-finale="impact"]>video,[data-finale="impact"]>#skeleton{animation:final-camera-jolt .22s linear both}
[data-finale="impact"] #bugs{z-index:5}
[data-finale="impact"] .game-announcement,[data-finale="burst"] .game-announcement,[data-finale="settled"] .game-announcement{visibility:hidden}
[data-finale="burst"] .unlock-preview,[data-finale="settled"] .unlock-preview,[data-finale="burst"] .game-hud,[data-finale="settled"] .game-hud{opacity:0;pointer-events:none}
.game-announcement.last-few{background:transparent;border:0;box-shadow:none;color:#eeffba;font-size:clamp(32px,5vw,58px);font-weight:800;white-space:nowrap;text-shadow:0 3px 4px #172615,0 0 24px #152512;top:18%;padding:0}
@keyframes final-impact{0%{transform:translate(0,0) scale(1)}20%{transform:translate(-5px,3px) scale(1.025)}40%{transform:translate(4px,-2px) scale(1.025)}65%{transform:translate(-2px,1px) scale(1.015)}100%{transform:translate(0,0) scale(1)}}
@keyframes final-camera-jolt{0%,100%{translate:0 0;scale:1}20%{translate:-3px 2px;scale:1.018}40%{translate:3px -2px;scale:1.018}65%{translate:-1px 1px;scale:1.008}}
@keyframes win-slam{0%{opacity:0;transform:scale(1.65) rotate(-7deg)}40%{opacity:1}70%{transform:scale(.96) rotate(-2deg)}100%{transform:scale(1) rotate(-3deg)}}
@keyframes win-score{from{opacity:0;transform:translateY(18px) scale(.7)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes win-stamp{from{opacity:0;transform:scale(2.4) rotate(40deg)}to{opacity:1;transform:scale(1) rotate(0)}}
@keyframes win-actions{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
[data-presentation-paused="true"] *,[data-presentation-paused="true"] *:before{animation-play-state:paused!important}
@media(max-width:600px){.win-emblem{width:64px;height:64px}.win-score>span{font-size:22px}.win-overlay .win-message{font-size:15px}.win-kicker{font-size:11px}}
@media(max-height:540px){.win-emblem{display:none}.win-overlay{padding:14px}.win-overlay h2{font-size:48px;margin:10px 0}.win-score strong{font-size:64px}.win-overlay .win-message{font-size:14px;margin:10px 0 16px}.win-actions{gap:8px}.win-actions .button{min-height:44px}}
@media(prefers-reduced-motion:reduce){.win-overlay *{animation:none!important;transition:none!important}[data-finale="impact"] #roaches{animation:none}.win-overlay h2{transform:none}}