:root{--bg:#030303;--ink:#050505;--fog:#ffffff14;--ghost:#ffffff9e;--paper:#f5f5f5eb;--line:#ffffff2e;--danger:#f4f4f4;--game-vh:100vh;--game-ui-scale:.92;--game-actions-scale:.95}*{box-sizing:border-box}html,body{background:var(--bg);width:100%;height:100%;color:var(--paper);margin:0;font-family:Inter,system-ui,sans-serif;overflow:hidden}button,a{font:inherit}.limbo-shell{width:100vw;height:var(--game-vh);background:radial-gradient(circle at 48% 18%,#ffffff1f,#0000 18%),linear-gradient(#101010 0%,#040404 58%,#000 100%);min-height:320px;position:relative;overflow:hidden}.limbo-shell:before{content:"";pointer-events:none;z-index:3;background:linear-gradient(90deg,#000000d9,#0000 18% 82%,#000000d9),repeating-linear-gradient(90deg,#ffffff03 0 1px,#0000 1px 4px);position:absolute;inset:0}.limbo-shell:after{content:"";pointer-events:none;z-index:4;mix-blend-mode:multiply;background:radial-gradient(circle,#0000 42%,#00000094 100%);position:absolute;inset:0}#game-canvas{touch-action:none;width:100%;height:100%;display:block;position:absolute;inset:0}.hud{z-index:7;pointer-events:none;justify-content:space-between;align-items:flex-start;gap:16px;display:flex;position:absolute;top:18px;left:20px;right:20px}.brand-lockup{align-items:center;gap:12px;min-width:0;display:flex}.brand-mark{border:1px solid var(--line);width:48px;height:48px;color:var(--paper);letter-spacing:0;background:#ffffff0d;border-radius:4px;place-items:center;font-family:Roboto Mono,monospace;font-weight:700;display:grid}.eyebrow{color:var(--ghost);text-transform:uppercase;letter-spacing:0;margin:0 0 3px;font:700 .72rem/1 Roboto Mono,monospace}.hud h1{margin:0;font-size:clamp(1.2rem,3vw,2rem);line-height:1}.briefing-panel{z-index:8;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);opacity:0;visibility:hidden;pointer-events:none;background:#080808bd;border:1px solid #ffffff38;border-radius:8px;width:min(410px,100vw - 40px);max-height:min(56vh,520px);padding:16px 18px;transition:opacity .56s,transform .64s cubic-bezier(.16,1,.3,1),visibility .64s;position:absolute;top:104px;right:20px;overflow:auto;transform:translate(22px)scale(.985);box-shadow:0 24px 60px #00000094}.briefing-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translate(0)scale(1)}.briefing-panel>:not(.panel-close){transition:opacity .26s,transform .32s}.briefing-panel.is-switching>:not(.panel-close){opacity:0;transform:translateY(6px)}.panel-close{border:1px solid var(--line);width:28px;height:28px;color:var(--paper);cursor:pointer;background:0 0;border-radius:50%;position:absolute;top:12px;right:12px}.panel-close:before,.panel-close:after{content:"";background:currentColor;width:12px;height:1px;position:absolute;top:13px;left:7px}.panel-close:before{transform:rotate(45deg)}.panel-close:after{transform:rotate(-45deg)}.panel-kicker{color:var(--ghost);text-transform:uppercase;margin:0 38px 8px 0;font:700 .74rem/1 Roboto Mono,monospace}.briefing-panel h2{margin:0 36px 12px 0;font-size:clamp(1.05rem,2.4vw,1.42rem);line-height:1.04}.briefing-panel p{color:#ffffffc7;margin:0 0 12px;font-size:.92rem;line-height:1.48}.briefing-panel ul{margin:14px 0 0;padding-left:18px}.briefing-panel li{color:#ffffffc2;margin:0 0 8px;font-size:.9rem}.briefing-panel a{color:var(--paper)}.panel-tags{flex-wrap:wrap;gap:7px;margin-top:12px;display:flex}.panel-tags span{border:1px solid var(--line);color:#ffffffc7;border-radius:999px;padding:5px 8px;font-size:.78rem}.progress-strip{z-index:7;align-items:center;gap:8px;display:flex;position:absolute;bottom:22px;right:20px}.progress-dot{border:1px solid var(--line);background:#ffffff0a;border-radius:50%;width:12px;height:12px}.progress-dot.is-seen{background:#ffffffdb;box-shadow:0 0 14px #ffffff73}.bottom-actions{z-index:7;pointer-events:auto;align-items:center;gap:10px;display:flex;position:absolute;bottom:20px;left:20px}.bottom-actions a,.bottom-actions button{border:1px solid var(--line);color:#ffffffb8;cursor:pointer;background:#0000006b;border-radius:4px;min-height:38px;padding:0 14px;font:700 .72rem/1 Roboto Mono,monospace;text-decoration:none}.bottom-actions a{place-items:center;display:inline-grid}.bottom-actions a:hover,.bottom-actions button:hover{color:var(--paper);border-color:#ffffff8c}.desktop-key-hint{z-index:7;color:#ffffffd6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);pointer-events:none;contain:layout paint;will-change:opacity, transform;background:#05050575;border:1px solid #ffffff29;border-radius:10px;justify-items:center;gap:7px;padding:10px 12px;transition:opacity .6s,transform .6s,visibility .6s;animation:2.2s ease-in-out infinite keyHintBreathe;display:grid;position:absolute;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 18px 42px #00000061}.desktop-key-hint.is-hidden{opacity:0;visibility:hidden;transform:translate(-50%)translateY(10px)}.key-row{gap:8px;display:flex}.keycap{background:linear-gradient(#ffffff24,#ffffff0a),#00000080;border:1px solid #ffffff57;border-bottom-color:#ffffff24;border-radius:7px;place-items:center;width:38px;height:34px;font:700 .82rem/1 Roboto Mono,monospace;display:grid;box-shadow:inset 0 -4px #00000047,0 0 16px #ffffff0d}@keyframes keyHintBreathe{0%,to{opacity:.72}50%{opacity:1}}.instructions-panel{z-index:9;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);opacity:0;visibility:hidden;background:#080808d1;border:1px solid #ffffff38;border-radius:8px;width:min(330px,100vw - 40px);padding:18px;transition:opacity .18s,transform .22s,visibility .22s;position:absolute;bottom:70px;left:20px;transform:translateY(18px);box-shadow:0 24px 60px #00000094}.instructions-panel.is-open{opacity:1;visibility:visible;transform:translateY(0)}.instructions-panel h2{margin:0 34px 12px 0;font-size:1.2rem}.instructions-panel ul{margin:12px 0 0;padding-left:18px}.instructions-panel li{color:#ffffffc2;margin-bottom:8px}.skip-modal{z-index:15;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);opacity:0;visibility:hidden;pointer-events:none;background:#050505d6;border:1px solid #ffffff42;border-radius:8px;width:min(360px,100vw - 40px);padding:20px;transition:opacity .22s,transform .26s cubic-bezier(.16,1,.3,1),visibility .26s;position:absolute;top:50%;left:50%;transform:translate(-50%,-46%)scale(.96);box-shadow:0 28px 90px #000000b8}.skip-modal.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,-50%)scale(1)}.skip-modal h2{margin:0 0 10px;font-size:1.35rem;line-height:1.05}.skip-modal p:not(.panel-kicker){color:#ffffffbd;margin:0;line-height:1.45}.skip-actions{justify-content:flex-end;gap:10px;margin-top:18px;display:flex}.skip-actions button{min-height:36px;color:var(--paper);cursor:pointer;background:#ffffff14;border:1px solid #ffffff3d;border-radius:4px;padding:0 14px;font:700 .72rem/1 Roboto Mono,monospace}.skip-actions button:hover{background:#ffffff24;border-color:#ffffff94}.touch-controls{z-index:9;pointer-events:none;-webkit-user-select:none;user-select:none;touch-action:none;justify-content:space-between;align-items:flex-end;gap:16px;display:none;position:absolute;inset:auto 18px 18px}.touch-joystick{pointer-events:auto;touch-action:none;width:132px;height:132px;position:relative}.touch-joystick-ring,.touch-joystick-knob{border-radius:50%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.touch-joystick-ring{background:radial-gradient(circle,#ffffff1a,#0000 34%),#00000038;border:1px solid #fff3;width:118px;height:118px;box-shadow:inset 0 0 26px #ffffff0d,0 16px 36px #00000057}.touch-joystick-ring:before,.touch-joystick-ring:after{content:"";background:#ffffff29;position:absolute}.touch-joystick-ring:before{height:1px;top:50%;left:18px;right:18px}.touch-joystick-ring:after{width:1px;top:18px;bottom:18px;left:50%}.touch-joystick-knob{background:#f5f5f51f;border:1px solid #ffffff57;width:48px;height:48px;transition:transform .12s;box-shadow:0 0 18px #ffffff1a}.touch-actions{pointer-events:auto;touch-action:none;grid-template-rows:repeat(2,52px);grid-template-columns:repeat(2,66px);gap:10px;display:grid}.touch-actions button{color:var(--paper);touch-action:none;background:#ffffff14;border:1px solid #ffffff3d;border-radius:6px;font:700 .72rem/1 Roboto Mono,monospace}.touch-actions button[data-touch=jump]{background:#ffffff21;border-color:#ffffff5c;grid-area:1/2/span 2;height:114px}.touch-actions button.is-pressed,.touch-joystick.is-active .touch-joystick-knob{background:#ffffff2e;border-color:#ffffffad}.orientation-nudge{z-index:20;text-align:center;pointer-events:none;background:radial-gradient(circle at 50% 38%,#ffffff1f,#0000 24%),#000000e6;place-items:center;padding:24px;display:none;position:absolute;inset:0}.orientation-nudge>*{max-width:360px}.orientation-nudge h2{margin:8px 0 10px;font-size:clamp(1.6rem,8vw,2.4rem);line-height:1}.orientation-nudge p:not(.panel-kicker){color:#ffffffb8;margin:0;line-height:1.45}.death-flash{z-index:12;pointer-events:none;mix-blend-mode:screen;background:#fff0;transition:background .18s,opacity .18s;position:absolute;inset:0}.death-flash.is-active{background:#fff3}.death-flash.is-red{background:radial-gradient(circle,#a812124d,#0000 36%),#ffffff1f}.death-flash.is-hard{background:#ffffff47}.death-flash.is-ghost{background:radial-gradient(circle,#bedcff2e,#0000 42%),#ffffff1f}.death-flash.is-dark{mix-blend-mode:multiply;background:radial-gradient(circle,#0000 16%,#000000b8 100%)}@media (width<=760px){.hud{top:12px;left:12px;right:12px}.brand-mark{width:40px;height:40px}.briefing-panel{width:calc(100vw - 24px);max-height:48vh;padding:18px;inset:auto auto 84px 12px;transform:translateY(18px)scale(.985)}.briefing-panel.is-open{transform:translateY(0)scale(1)}.bottom-actions{flex-wrap:wrap;bottom:78px;left:12px;right:12px}.bottom-actions a,.bottom-actions button{min-height:34px;padding:0 10px;font-size:.72rem}.touch-controls{display:flex}.desktop-key-hint{display:none}.progress-strip{bottom:18px;left:12px;right:auto}}@media (hover:none) and (pointer:coarse) and (orientation:portrait){.orientation-nudge{display:grid}}@media (hover:none) and (pointer:coarse) and (orientation:landscape){.limbo-shell{font-size:clamp(11px,2.25vh,16px)}.touch-controls{left:max(12px, env(safe-area-inset-left));right:max(12px, env(safe-area-inset-right));bottom:max(24px, env(safe-area-inset-bottom));transform:scale(var(--game-ui-scale));transform-origin:bottom;display:flex}.desktop-key-hint{display:none}.hud{top:max(6px, env(safe-area-inset-top));left:max(10px, env(safe-area-inset-left));right:max(10px, env(safe-area-inset-right))}.brand-mark{width:36px;height:36px}.eyebrow{font-size:.62rem}.hud h1{font-size:1.1rem}.bottom-actions{top:max(6px, env(safe-area-inset-top));right:max(10px, env(safe-area-inset-right));transform:scale(var(--game-actions-scale));transform-origin:100% 0;gap:7px;bottom:auto;left:auto}.bottom-actions a,.bottom-actions button{min-height:30px;padding:0 9px;font-size:.64rem}.briefing-panel{top:max(54px, calc(env(safe-area-inset-top) + 48px));right:max(10px, env(safe-area-inset-right));width:min(360px,42vw);max-height:calc(var(--game-vh) - 118px);padding:12px 14px;font-size:clamp(.78rem,2.1vh,.96rem);bottom:auto;left:auto}.progress-strip{right:max(10px, env(safe-area-inset-right));bottom:max(8px, env(safe-area-inset-bottom))}}@media (hover:none) and (pointer:coarse) and (orientation:landscape) and (height<=430px){.brand-mark{width:30px;height:30px;font-size:.72rem}.eyebrow{display:none}.hud h1{font-size:.92rem}.touch-joystick{width:108px;height:108px}.touch-joystick-ring{width:96px;height:96px}.touch-actions{grid-template-rows:repeat(2,44px);grid-template-columns:repeat(2,56px);gap:8px}.touch-actions button[data-touch=jump]{height:96px}}