:root{--bg: #0a0a0a;--white: #ffffff;--neon-cyan: #00f0ff;--neon-magenta: #00f0ff;--neon-green: #00ff88;--dim: #1a1a1a;--glass: rgba(255, 255, 255, .04);--glass-border: rgba(255, 255, 255, .08);--font-main: "Space Grotesk", sans-serif;--font-mono: "JetBrains Mono", monospace}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{overflow:hidden;background:var(--bg);font-family:var(--font-main);color:var(--white);height:100%;touch-action:none}#game-canvas{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;outline:none}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10;display:flex;align-items:center;justify-content:center;transition:opacity .6s ease,visibility .6s ease}.overlay.hidden{opacity:0;visibility:hidden;pointer-events:none}#loading-screen{background:var(--bg)}.loading-content{text-align:center}.loading-spinner{width:40px;height:40px;margin:0 auto 20px;border:2px solid var(--glass-border);border-top-color:var(--neon-cyan);border-radius:50%;animation:spin .8s linear infinite}.loading-text{font-family:var(--font-mono);font-size:.8rem;color:#fff6;letter-spacing:.2em;text-transform:uppercase}@keyframes spin{to{transform:rotate(360deg)}}#intro-screen{background:#0a0a0af2}.intro-content{text-align:center}.game-title{font-size:clamp(4rem,12vw,10rem);font-weight:700;letter-spacing:.3em;background:linear-gradient(135deg,var(--white) 0%,var(--neon-cyan) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;margin-bottom:.3em;text-shadow:0 0 60px rgba(0,240,255,.3);animation:titlePulse 3s ease-in-out infinite alternate}@keyframes titlePulse{0%{filter:brightness(1)}to{filter:brightness(1.2)}}.game-subtitle{font-family:var(--font-mono);font-size:clamp(.7rem,1.5vw,.9rem);color:#ffffff59;letter-spacing:.4em;text-transform:uppercase;margin-bottom:3rem}.intro-instructions{margin-bottom:3rem;display:flex;flex-direction:column;gap:.8rem}.instruction-item{display:flex;align-items:center;justify-content:center;gap:1rem;font-size:.85rem;color:#ffffff80}.key-hint{font-family:var(--font-mono);font-size:.7rem;font-weight:500;padding:.3em .7em;border:1px solid var(--neon-cyan);color:var(--neon-cyan);border-radius:4px;letter-spacing:.1em}.level-meta{font-size:14px;font-family:var(--font-mono)}.level-name{font-size:18px;padding-top:9px;font-family:Impact,Haettenschweiler,Arial Narrow Bold,sans-serif}.level-sub{font-size:12px;padding-top:10px}.neon-btn{font-family:var(--font-main);font-size:1rem;font-weight:600;letter-spacing:.3em;padding:1em 3em;background:transparent;color:var(--neon-cyan);border:1px solid var(--neon-cyan);border-radius:10px;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden}.neon-btn:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:var(--neon-cyan);opacity:0;transition:opacity .3s ease;border-radius:10%}.neon-btn:hover{color:var(--bg);box-shadow:0 0 30px #00f0ff66,inset 0 0 30px #00f0ff1a}.neon-btn:hover:before{opacity:1}.neon-btn span,.neon-btn{position:relative;z-index:1}#hud{position:fixed;top:0;right:0;bottom:0;left:0;z-index:5;pointer-events:none;transition:opacity .5s ease;padding:1.5rem}#hud.hidden{opacity:0}.hud-panel{position:absolute;pointer-events:auto;background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:6px;padding:.8rem 1.2rem}.hud-top-left{top:1.5rem;left:1.5rem}.hud-top-center{top:1.5rem;left:50%;transform:translate(-50%);text-align:center}.hud-top-right{top:1.5rem;right:1.5rem;text-align:right}.hud-label{font-family:var(--font-mono);font-size:.6rem;font-weight:400;color:#ffffff4d;letter-spacing:.2em;text-transform:uppercase;margin-bottom:.3rem}.hud-value{font-size:1rem;font-weight:600;letter-spacing:.1em}.hud-word-display{color:var(--neon-cyan);letter-spacing:.3em}.hud-desc{font-size:.7rem;color:#ffffff4d;margin-top:.2rem;font-family:var(--font-mono)}.hud-bottom-center{position:absolute;bottom:2rem;left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;pointer-events:none}.tutorial-btn-icon{width:40px;height:40px;border-radius:50%;border:1px solid var(--neon-cyan);background:#00f0ff1a;color:var(--neon-cyan);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.2rem;transition:all .3s ease;pointer-events:auto;margin-bottom:.5rem}.tutorial-btn-icon:hover{background:#00f0ff4d;color:#fff;box-shadow:0 0 20px #00f0ff80;transform:scale(1.1)}.progress-bar{width:200px;height:3px;background:#ffffff14;border-radius:2px;overflow:hidden;margin-bottom:.5rem}.progress-fill{height:100%;width:0%;background:var(--neon-cyan);transition:width .5s cubic-bezier(.22,1,.36,1);box-shadow:0 0 8px var(--neon-cyan)}.progress-text{font-family:var(--font-mono);font-size:.65rem;color:#ffffff4d;letter-spacing:.15em;margin-bottom:1.5rem}.hud-submit{width:220px;padding:.8em 0;background:var(--neon-cyan)!important;color:#000!important;font-family:var(--font-main);font-weight:700;letter-spacing:.15em;text-align:center;border-radius:4px;border:none;cursor:pointer;transition:all .3s ease;pointer-events:auto;text-shadow:none!important}.hud-submit:before{display:none}.hud-submit:hover{background:#fff!important;box-shadow:0 0 20px var(--neon-cyan)!important}#tutorial-overlay{background:#000000eb;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.tutorial-modal-v3{width:92vw;max-width:500px;background:#0f0f0fcc;border:1px solid rgba(255,255,255,.08);border-radius:24px;position:relative;overflow:hidden;box-shadow:0 40px 100px #000c}.tutorial-x-btn{position:absolute;top:1.2rem;right:1.2rem;width:32px;height:32px;border-radius:50%;background:#ffffff1a;border:none;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10;transition:background .2s}.tutorial-x-btn:hover{background:#fff3}.tutorial-columns{display:flex;flex-direction:column}@media(min-width:768px){.tutorial-modal-v3{max-width:800px}.tutorial-columns{flex-direction:row}}.tutorial-visuals{flex:1.2;background:#0000004d;padding:2.5rem 1.5rem;display:flex;flex-direction:column;gap:2rem;border-bottom:1px solid rgba(255,255,255,.05)}@media(min-width:768px){.tutorial-visuals{border-bottom:none;border-right:1px solid rgba(255,255,255,.05)}}.tutorial-card{display:flex;flex-direction:column;align-items:center;gap:1.2rem}.card-image-animated,.card-image{background:#ffffff08;border-radius:12px;width:100%;position:relative;min-height:120px;overflow:hidden;display:flex;align-items:center;justify-content:center}.card-image{padding:1.5rem;gap:.5rem}.t-frame{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:90%;height:auto;opacity:0;transition:opacity .05s ease}.t-frame.f1{animation:frame12_1 1.2s steps(1) infinite}.t-frame.f2{animation:frame12_2 1.2s steps(1) infinite}.t-frame.f3{animation:frame12_3 1.2s steps(1) infinite}@keyframes frame12_1{0%,33.32%{opacity:1}33.33%,to{opacity:0}}@keyframes frame12_2{0%,33.32%{opacity:0}33.33%,66.65%{opacity:1}66.66%,to{opacity:0}}@keyframes frame12_3{0%,66.65%{opacity:0}66.66%,to{opacity:1}}.letter-ghost{font-family:Georgia,serif;font-size:2.5rem;color:#fffc;filter:blur(.5px)}.neon-bar{width:8px;height:40px;background:var(--neon-cyan);box-shadow:0 0 15px var(--neon-cyan);border-radius:2px;opacity:.8}.error-bar{background:#ff4d4d;box-shadow:0 0 15px #ff4d4d;width:12px}.status-icon{width:36px;height:36px;border-radius:50%;border:2px solid currentColor;display:flex;align-items:center;justify-content:center}.status-icon.check{color:var(--neon-green)}.status-icon.x-mark{color:#ff4d4d}.tutorial-content-side{flex:1;padding:3rem 2rem;display:flex;flex-direction:column;justify-content:center}.tutorial-title-v3{font-size:1.8rem;font-weight:700;color:var(--neon-cyan);margin-bottom:1.5rem;letter-spacing:.05em}.tutorial-body-v3{font-size:1rem;color:#fff9;line-height:1.6;font-family:var(--font-sans)}.tutorial-close-btn:hover{opacity:1}#map-screen{background-color:var(--bg);background-image:radial-gradient(rgba(0,240,255,.15) 1px,transparent 1px);background-size:20px 20px}.map-back-btn{position:absolute;top:2rem;left:2rem;z-index:100;pointer-events:auto;background:none;border:none;font-family:var(--font-mono);font-size:.7rem;color:#00f0ff99;cursor:pointer;letter-spacing:.3em;transition:all .2s}.map-back-btn:hover{color:var(--neon-cyan);text-shadow:0 0 10px var(--neon-cyan)}#hud .map-back-btn{top:auto;bottom:2rem;left:auto;right:2rem;font-size:.8rem;letter-spacing:.2em}.world-track.vertical{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;width:100vw;height:100vh;overflow-y:auto;overflow-x:hidden;scroll-behavior:smooth;padding:120px 0 150px;gap:4.5rem;position:relative}.timeline-line{position:absolute;left:30px;top:100px;bottom:0;width:2px;background:var(--neon-cyan);box-shadow:0 0 10px var(--neon-cyan);opacity:.5;z-index:1}.world-row{display:flex;flex-direction:row;align-items:center;justify-content:flex-start;width:100%;padding-left:30px;padding-right:20px;gap:1.5rem;position:relative;z-index:2;transition:transform .4s cubic-bezier(.2,1,.3,1),filter .3s ease}.world-row.active{cursor:pointer}.world-row.locked{opacity:.5;filter:grayscale(50%);cursor:not-allowed}.world-row:not(.locked):hover{transform:scale(1.05) translateY(-5px);z-index:10;filter:none;opacity:1}.timeline-tick{position:absolute;left:24px;top:40%;width:14px;height:2px;background:var(--neon-cyan);z-index:1;margin-top:-1px}.mobile-info{width:45%;text-align:left;margin-left:10px}.node-container-mobile{width:50%;display:flex;flex-direction:column;align-items:center;position:relative}.node-container-mobile .status-label{margin-bottom:5px;font-size:.8rem}.world-node-3d{position:relative;width:120px;height:120px;display:flex;align-items:flex-end;justify-content:center;perspective:1000px}.world-card{position:absolute;bottom:10%;width:110px;height:115px;background:#0009;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:2px solid var(--neon-cyan);border-radius:12px;display:flex;align-items:center;justify-content:center;z-index:2;box-shadow:inset 0 0 15px #00f0ff1a,0 10px 30px #000c;transition:all .3s ease}.world-row.active .world-card{box-shadow:inset 0 0 30px #00f0ff33,0 0 30px #00f0ff66}.world-pedestal{position:absolute;bottom:-5%;width:130px;height:130px;background:#111;border:2px solid #222;border-bottom:4px solid var(--neon-cyan);border-radius:12%;transform:rotateX(65deg);display:flex;align-items:center;justify-content:center;box-shadow:0 20px 30px #000;z-index:1}.world-glow{width:40%;height:40%;background:var(--white);border-radius:8px;box-shadow:0 0 40px var(--white);opacity:.8}.world-row:hover .world-card{border-color:var(--neon-magenta);box-shadow:inset 0 0 30px #00f0ff66,0 15px 50px #00f0ff99;background:#00323299}.world-row:hover .world-icon-serif,.world-row:hover .world-icon-lock{color:var(--white);filter:drop-shadow(0 0 20px rgba(255,255,255,.9))}.world-icon-serif{width:50px;height:50px;color:var(--neon-cyan);filter:drop-shadow(0 0 10px rgba(0,240,255,.5))}.world-icon-lock{width:40px;height:40px;color:var(--neon-cyan);filter:drop-shadow(0 0 10px rgba(0,240,255,.5))}.level-container{display:flex;gap:5vw;align-items:center;justify-content:center;width:100vw;height:100vh;transition:all .5s cubic-bezier(.2,1,.3,1)}.level-node{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;pointer-events:auto;cursor:pointer;z-index:2;transition:all .5s cubic-bezier(.2,1,.3,1)}.level-node:hover{transform:scale(1.05) translateY(-.5vw)}.level-container.frame-2{justify-content:flex-start;padding-left:10vw}.level-container.frame-2 .level-node:not(.active){transform:scale(.6) translate(40vw);opacity:.5}.level-container.frame-2 .level-node:not(.active):hover{opacity:.8;transform:scale(.65) translate(35vw)}.node-3d{position:relative;width:14vw;height:14vw;display:flex;align-items:flex-end;justify-content:center;margin-bottom:1rem;perspective:1000px;transition:all .5s cubic-bezier(.2,1,.3,1)}.level-node.active .node-3d{transform:scale(1.8) translateY(-2vw)}.card-layer{position:absolute;bottom:12%;width:12vw;height:12vw;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:2px solid var(--neon-cyan);border-radius:12px;display:flex;align-items:center;justify-content:center;z-index:2;box-shadow:inset 0 0 15px #00f0ff1a,0 10px 30px #000c;transition:all .5s ease}.level-node.active .card-layer{box-shadow:inset 0 0 30px #00f0ff33,0 0 50px #00f0ff66}.level-node.locked .card-layer{border-color:#fff3;box-shadow:inset 0 0 15px #ffffff0d}.kerning-svg,.hierarchy-svg,.pairing-svg{width:90%;height:90%;color:var(--neon-cyan)}.level-node.locked .icon-serif{color:#fff6}.pedestal-layer{position:absolute;bottom:-5%;width:16vw;height:16vw;background:#111;border:2px solid #222;border-bottom:4px solid var(--neon-cyan);border-radius:12%;transform:rotateX(65deg);display:flex;align-items:center;justify-content:center;box-shadow:0 20px 30px #000;z-index:1;transition:all .5s ease}.level-node.locked .pedestal-layer{border-bottom-color:#fff3}.glow-pad{width:40%;height:40%;background:var(--neon-cyan);border-radius:8px;box-shadow:0 0 40px var(--neon-cyan);opacity:.8}.level-node.locked .glow-pad{background:#ffffff4d;box-shadow:none;opacity:.3}.node-title{display:flex;flex-direction:column;align-items:center;gap:.5rem;font-size:16px;letter-spacing:.1em;color:var(--white);transition:opacity .3s ease}.triangle-up{width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;border-bottom:8px solid var(--neon-cyan)}.level-node.locked .triangle-up{border-bottom-color:#ffffff80}.level-node.locked .node-title{opacity:.6}.detail-panel{position:absolute;left:130%;top:25%;width:25vw;display:flex;flex-direction:column;gap:.5rem;opacity:0;pointer-events:none;transform:translate(-20px);transition:all .5s cubic-bezier(.2,1,.3,1)}.level-node.active .detail-panel{opacity:1;transform:translate(0);transition-delay:.2s;pointer-events:auto}.detail-meta{font-family:var(--font-mono);font-size:.9rem;color:var(--neon-cyan);letter-spacing:.2em;display:flex;align-items:center;position:relative;margin-bottom:.5rem;padding-left:50px}.meta-line{position:absolute;right:100%;top:50%;transform:translateY(-50%);margin-right:15px;color:var(--neon-cyan)}.detail-title{font-size:1.6rem;font-weight:700;letter-spacing:.26em;color:var(--white);margin-bottom:.2rem;padding:30px 50px 50px}.detail-desc{font-size:1rem;color:#fff9;line-height:1.3;max-width:90%}.node-play-btn{position:absolute;bottom:-5rem;left:50%;transform:translate(-30%) translateY(20px);padding:.8rem 3.5rem;font-size:1.3rem;font-family:var(--font-sans);font-weight:700;letter-spacing:.2em;opacity:0;pointer-events:none;transition:all .4s ease;transition-delay:.1s;background:#000;box-shadow:none;border-radius:12px;color:var(--neon-cyan);border:2px solid rgba(0,240,255,.4)}.node-play-btn:hover{background:#00f0ff1a;border-color:var(--neon-cyan);text-shadow:0 0 10px var(--neon-cyan);box-shadow:0 0 20px #00f0ff33}.node-play-btn.locked{background:transparent;color:#fff3;border-color:#fff3;pointer-events:none}.level-node.active .node-play-btn{opacity:1;transform:translate(-50%) translateY(0);pointer-events:auto}#level-complete{background:#0a0a0ab3}.complete-content{text-align:center}.complete-label{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.4em;color:var(--neon-green);margin-bottom:.5rem}.complete-accuracy{font-size:4rem;font-weight:700;color:var(--white);letter-spacing:.05em;line-height:1}.complete-score{font-family:var(--font-mono);font-size:1.2rem;color:var(--neon-cyan);letter-spacing:.2em;margin-top:.5rem}#game-over{background:#0a0a0af2}.gameover-content{text-align:center;display:flex;flex-direction:column;align-items:center}.gameover-title{font-size:2rem;font-weight:300;letter-spacing:.5em;color:#fff9;margin-bottom:2rem}.gameover-final-label{font-family:var(--font-mono);font-size:.65rem;color:#ffffff4d;letter-spacing:.3em;margin-bottom:.5rem}.gameover-score{font-size:5rem;font-weight:700;letter-spacing:.1em;background:linear-gradient(135deg,var(--neon-cyan),var(--neon-cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:2rem}.leaderboard-box{width:300px;background:var(--glass);border:1px solid var(--glass-border);border-radius:8px;padding:1.5rem;margin-bottom:3rem;text-align:left}.leaderboard-title{font-family:var(--font-mono);font-size:.65rem;color:var(--neon-cyan);letter-spacing:.2em;margin-bottom:1rem;text-align:center;border-bottom:1px solid var(--glass-border);padding-bottom:.5rem}.leaderboard-list{list-style:none;font-family:var(--font-mono);font-size:.8rem}.leaderboard-list li{display:flex;justify-content:space-between;padding:.5rem 0;border-bottom:1px dashed rgba(255,255,255,.1);color:#ffffffb3}.leaderboard-list li:last-child{border:none}.lb-rank{color:var(--neon-magenta);width:20px;font-weight:700}.lb-name{flex:1;letter-spacing:.1em}.lb-score{color:var(--neon-cyan)}@media(max-width:600px){.hud-panel{padding:.5rem .8rem}.hud-value{font-size:1.1rem}.game-title{letter-spacing:.15em}#hud{padding:1rem}.hud-top-left{top:1rem;left:1rem}.hud-top-center{top:1rem}.hud-top-right{top:1rem;right:1rem}}