:root{--bg-primary: #070913;--bg-surface: rgba(13, 18, 38, .8);--bg-surface-hover: rgba(22, 30, 62, .9);--bg-glass: rgba(10, 15, 30, .7);--border-cyan: rgba(0, 240, 255, .35);--border-pink: rgba(255, 0, 128, .35);--border-gold: rgba(255, 215, 0, .35);--neon-cyan: #00f0ff;--neon-pink: #ff007f;--neon-gold: #ffd700;--neon-purple: #b026ff;--neon-green: #39ff14;--neon-orange: #ff7700;--neon-blue: #0088ff;--neon-red: #ff2255;--text-main: #ffffff;--text-muted: #8e9bb4;--text-cyan: #00f0ff;--font-display: "Orbitron", -apple-system, BlinkMacSystemFont, sans-serif;--font-ui: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--glow-cyan: 0 0 12px rgba(0, 240, 255, .6), 0 0 24px rgba(0, 240, 255, .3);--glow-pink: 0 0 12px rgba(255, 0, 127, .6), 0 0 24px rgba(255, 0, 127, .3);--glow-gold: 0 0 12px rgba(255, 215, 0, .6), 0 0 24px rgba(255, 215, 0, .3);--glow-green: 0 0 12px rgba(57, 255, 20, .6), 0 0 24px rgba(57, 255, 20, .3);--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-bounce: .4s cubic-bezier(.175, .885, .32, 1.275);--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px);--safe-right: env(safe-area-inset-right, 0px)}*{margin:0;padding:0;box-sizing:border-box;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}html,body{width:100%;height:100%;height:100dvh;overflow:hidden;overscroll-behavior:none;background-color:var(--bg-primary);color:var(--text-main);font-family:var(--font-ui);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app-container{position:relative;width:100vw;height:100vh;height:100dvh;overflow:hidden;display:flex;justify-content:center;align-items:center;background:radial-gradient(circle at 50% 50%,#101530,#060813);touch-action:none}#webcam-video{position:absolute;top:0;left:0;width:1px;height:1px;opacity:0;pointer-events:none;z-index:-1}#game-canvas{position:absolute;top:0;left:0;width:100%;height:100%;display:block;z-index:10;cursor:crosshair;touch-action:none}.cyber-grid{position:absolute;top:0;left:0;width:100%;height:100%;background-image:linear-gradient(rgba(0,240,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,240,255,.05) 1px,transparent 1px);background-size:40px 40px;perspective:500px;opacity:.6;pointer-events:none;z-index:1}#ui-layer{position:absolute;top:0;left:0;width:100%;height:100%;z-index:20;pointer-events:none;display:flex;flex-direction:column}.hud-container{position:absolute;top:0;left:0;width:100%;padding:max(1rem,var(--safe-top)) max(1.5rem,var(--safe-right)) .8rem max(1.5rem,var(--safe-left));display:flex;justify-content:space-between;align-items:flex-start;pointer-events:none;transition:opacity var(--transition-normal);gap:.8rem;z-index:25}.hud-section{display:flex;align-items:center;gap:.75rem;pointer-events:auto}.hud-section-left{flex-shrink:0}.hud-section-center{flex:0 1 auto}.hud-section-right{flex-shrink:0}.hud-panel{background:var(--bg-surface);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-cyan);border-radius:var(--radius-md);padding:.5rem 1rem;display:flex;flex-direction:column;box-shadow:0 4px 20px #00000080,inset 0 0 15px #00f0ff0d;transition:transform var(--transition-bounce),border-color var(--transition-normal)}.hud-panel:hover{border-color:var(--neon-cyan);box-shadow:0 4px 25px #00f0ff40,inset 0 0 15px #00f0ff1a}.hud-label{font-size:.65rem;font-family:var(--font-display);font-weight:700;letter-spacing:1.5px;color:var(--text-muted);text-transform:uppercase;margin-bottom:2px}.hud-value{font-family:var(--font-display);font-weight:900;font-size:1.5rem;color:var(--text-main);text-shadow:var(--glow-cyan);line-height:1}.hud-value.gold{color:var(--neon-gold);text-shadow:var(--glow-gold)}.lives-container{display:flex;gap:.35rem;align-items:center;min-height:1.5rem}.heart-icon{font-size:1.3rem;color:var(--neon-pink);filter:drop-shadow(0 0 8px rgba(255,0,127,.8));transition:transform .3s cubic-bezier(.175,.885,.32,1.275),opacity .3s ease;animation:heartPulse 1.8s infinite ease-in-out}.heart-icon.lost{opacity:.2;filter:grayscale(1);transform:scale(.75);animation:none}@keyframes heartPulse{0%,to{transform:scale(1)}50%{transform:scale(1.15)}}.combo-panel{position:relative;overflow:hidden;min-width:100px}.combo-badge{font-family:var(--font-display);font-size:1.3rem;font-weight:900;color:var(--neon-gold);text-shadow:var(--glow-gold);display:flex;align-items:baseline;gap:2px}.combo-badge.super{color:var(--neon-pink);text-shadow:var(--glow-pink);animation:comboPulse .4s infinite alternate}@keyframes comboPulse{0%{transform:scale(1)}to{transform:scale(1.12)}}.combo-bar-bg{width:100%;height:4px;background:#ffffff1a;border-radius:var(--radius-full);margin-top:4px;overflow:hidden}.combo-bar-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--neon-cyan),var(--neon-gold),var(--neon-pink));border-radius:var(--radius-full);transition:width .1s linear}.level-badge{font-family:var(--font-display);font-size:1.2rem;font-weight:700;color:var(--neon-cyan)}.tracking-status-pill{display:flex;align-items:center;gap:.45rem;background:var(--bg-surface);backdrop-filter:blur(10px);border:1px solid var(--border-cyan);padding:.4rem .75rem;border-radius:var(--radius-full);font-size:.75rem;font-weight:600;color:var(--text-main);box-shadow:0 4px 15px #0006}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--neon-green);box-shadow:0 0 10px var(--neon-green);transition:background-color .3s ease,box-shadow .3s ease;flex-shrink:0}.status-dot.searching{background:var(--neon-gold);box-shadow:0 0 10px var(--neon-gold);animation:blink 1s infinite}.status-dot.offline{background:var(--neon-blue);box-shadow:0 0 10px var(--neon-blue)}@keyframes blink{0%,to{opacity:1}50%{opacity:.3}}.powerups-tray{position:absolute;top:5.2rem;left:max(1.5rem,var(--safe-left));display:flex;flex-direction:column;gap:.5rem;pointer-events:none;z-index:24}.powerup-pill{display:flex;align-items:center;gap:.5rem;background:#0d1226d9;backdrop-filter:blur(10px);border:1px solid var(--neon-cyan);padding:.35rem .8rem;border-radius:var(--radius-md);font-size:.75rem;font-weight:700;font-family:var(--font-display);box-shadow:0 0 15px #00f0ff4d;animation:slideInLeft .3s var(--transition-bounce);min-width:130px}.powerup-pill.shield{border-color:var(--neon-blue);box-shadow:0 0 15px #08f6}.powerup-pill.multiplier{border-color:var(--neon-gold);box-shadow:0 0 15px #ffd70066}.powerup-pill.slowmo{border-color:var(--neon-purple);box-shadow:0 0 15px #b026ff66}.powerup-pill.magnet{border-color:var(--neon-pink);box-shadow:0 0 15px #ff007f66}.powerup-timer-bar{flex:1;height:4px;background:#ffffff26;border-radius:var(--radius-full);overflow:hidden}.powerup-timer-fill{height:100%;width:100%;background:currentColor;border-radius:var(--radius-full);transition:width .1s linear}@keyframes slideInLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.gesture-detected-banner{position:absolute;top:5rem;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:.8rem;background:#0d142deb;backdrop-filter:blur(16px);border:2px solid var(--neon-gold);box-shadow:0 0 25px #ffd70080,inset 0 0 15px #ffd70033;padding:.5rem 1.4rem;border-radius:var(--radius-full);font-family:var(--font-display);font-size:.9rem;font-weight:800;color:#fff;opacity:0;pointer-events:none;transition:all .25s cubic-bezier(.175,.885,.32,1.275);z-index:30;text-align:center;max-width:90vw}.gesture-detected-banner.show{opacity:1;transform:translate(-50%) translateY(10px) scale(1.05)}.mobile-touch-powers{position:absolute;bottom:max(1.2rem,var(--safe-bottom));left:50%;transform:translate(-50%);display:none;gap:.6rem;z-index:25;pointer-events:auto}.mobile-power-btn{background:#0d1226d9;backdrop-filter:blur(10px);border:1px solid var(--border-cyan);color:var(--text-main);padding:.5rem .8rem;border-radius:var(--radius-full);display:flex;align-items:center;gap:.35rem;cursor:pointer;box-shadow:0 4px 15px #0006;transition:all var(--transition-fast)}.mobile-power-btn:active{transform:scale(.92);background:#00f0ff33;border-color:var(--neon-cyan)}.mobile-power-btn .power-emoji{font-size:1.1rem}.mobile-power-btn .power-name{font-family:var(--font-display);font-size:.65rem;font-weight:800;letter-spacing:.5px}.controls-bar{display:flex;gap:.5rem}.icon-btn{background:var(--bg-surface);backdrop-filter:blur(10px);border:1px solid var(--border-cyan);color:var(--text-main);width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1rem;transition:all var(--transition-fast);box-shadow:0 4px 15px #0006;flex-shrink:0}.icon-btn:hover{border-color:var(--neon-cyan);background:var(--bg-surface-hover);color:var(--neon-cyan);transform:translateY(-2px) scale(1.05);box-shadow:0 0 15px #00f0ff80}.icon-btn:active{transform:translateY(0) scale(.95)}.icon-btn.active{border-color:var(--neon-pink);color:var(--neon-pink);box-shadow:0 0 15px #ff007f80}.screen-overlay{position:absolute;top:0;left:0;width:100%;height:100%;height:100dvh;display:flex;justify-content:center;align-items:center;background:#050712d9;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);z-index:40;opacity:0;pointer-events:none;transition:opacity .35s ease,transform .35s ease;padding:max(1.2rem,var(--safe-top)) max(1.2rem,var(--safe-right)) max(1.2rem,var(--safe-bottom)) max(1.2rem,var(--safe-left))}.screen-overlay.active{opacity:1;pointer-events:auto}.modal-card{position:relative;background:#0d1226e0;border:1px solid var(--border-cyan);border-radius:var(--radius-lg);padding:2.2rem 2.5rem;max-width:650px;width:100%;max-height:calc(100dvh - 3rem);overflow-y:auto;-webkit-overflow-scrolling:touch;box-shadow:0 20px 60px #000c,0 0 35px #00f0ff33;text-align:center;transform:scale(.94);transition:transform .35s var(--transition-bounce)}.screen-overlay.active .modal-card{transform:scale(1)}.modal-card::-webkit-scrollbar{width:5px}.modal-card::-webkit-scrollbar-track{background:#0003;border-radius:var(--radius-full)}.modal-card::-webkit-scrollbar-thumb{background:var(--neon-cyan);border-radius:var(--radius-full)}.game-title{font-family:var(--font-display);font-size:clamp(2rem,5.5vw,3.4rem);font-weight:900;letter-spacing:2px;text-transform:uppercase;background:linear-gradient(135deg,#ffffff 0%,var(--neon-cyan) 50%,var(--neon-pink) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 20px rgba(0,240,255,.6));line-height:1.15;margin-bottom:.5rem}.game-subtitle{font-size:clamp(.85rem,2.2vw,1.05rem);color:var(--text-muted);font-weight:400;letter-spacing:.5px;margin-bottom:1.6rem;line-height:1.4}.high-score-badge{display:inline-flex;align-items:center;gap:.5rem;background:#ffd7001a;border:1px solid var(--border-gold);color:var(--neon-gold);padding:.45rem 1.1rem;border-radius:var(--radius-full);font-family:var(--font-display);font-size:.85rem;font-weight:700;margin-bottom:1.6rem;box-shadow:0 0 15px #ffd70033}.btn-group{display:flex;flex-direction:column;gap:.85rem;max-width:380px;margin:0 auto;width:100%}.btn-row{display:flex;gap:.6rem;width:100%}.btn{position:relative;font-family:var(--font-display);font-size:.95rem;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;padding:.9rem 1.8rem;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all var(--transition-normal);display:flex;align-items:center;justify-content:center;gap:.6rem;overflow:hidden;width:100%;min-height:48px}.btn-primary{background:linear-gradient(135deg,var(--neon-cyan) 0%,var(--neon-blue) 100%);color:#050713;box-shadow:0 0 25px #00f0ff80,0 4px 15px #0006}.btn-primary:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 0 35px #00f0ffcc,0 8px 25px #00000080;background:linear-gradient(135deg,#4ef6ff,#1a9cff)}.btn-primary:active{transform:translateY(1px) scale(.98)}.btn-secondary{background:#ffffff0d;border:1px solid var(--border-cyan);color:var(--text-main);box-shadow:0 4px 15px #0000004d}.btn-secondary:hover{background:#00f0ff26;border-color:var(--neon-cyan);color:var(--neon-cyan);transform:translateY(-2px);box-shadow:0 0 20px #00f0ff4d}.btn-gold{background:linear-gradient(135deg,gold,#f80);color:#050713;box-shadow:0 0 25px #ffd70080,0 4px 15px #0006}.btn-gold:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 0 35px #ffd700cc;background:linear-gradient(135deg,#ffe033,orange)}.btn-pink{background:linear-gradient(135deg,var(--neon-pink) 0%,#a00050 100%);color:#fff;box-shadow:0 0 25px #ff007f80}.btn-pink:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 0 35px #ff007fcc}.modal-close-btn{position:absolute;top:1rem;right:1rem;background:transparent;border:none;color:var(--text-muted);font-size:1.4rem;cursor:pointer;transition:color var(--transition-fast),transform var(--transition-fast);width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%}.modal-close-btn:hover{color:var(--neon-cyan);background:#00f0ff1a;transform:rotate(90deg)}.guide-tabs{display:flex;justify-content:center;gap:.6rem;margin-bottom:1.5rem;flex-wrap:wrap}.guide-tab{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);padding:.45rem 1rem;border-radius:var(--radius-full);color:var(--text-muted);font-family:var(--font-display);font-size:.8rem;font-weight:700;cursor:pointer;transition:all var(--transition-fast)}.guide-tab.active{background:#00f0ff26;border-color:var(--neon-cyan);color:var(--neon-cyan);box-shadow:0 0 15px #00f0ff4d}.guide-section{display:none;text-align:left}.guide-section.active{display:block}.guide-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:.8rem;margin-bottom:1.5rem}.guide-item-card{background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-md);padding:.8rem .6rem;display:flex;flex-direction:column;align-items:center;text-align:center;gap:.3rem;transition:all var(--transition-fast)}.guide-item-card:hover{background:#00f0ff14;border-color:var(--border-cyan);transform:translateY(-2px)}.guide-item-icon{font-size:1.8rem;margin-bottom:.1rem}.guide-item-name{font-family:var(--font-display);font-size:.8rem;font-weight:700;color:var(--text-main)}.guide-item-desc{font-size:.7rem;color:var(--text-muted);line-height:1.3}.guide-item-pts{font-family:var(--font-display);font-size:.75rem;font-weight:800;color:var(--neon-cyan)}.steps-list{display:flex;flex-direction:column;gap:.7rem;margin-bottom:1.5rem}.step-item{display:flex;align-items:center;gap:.8rem;background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-md);padding:.7rem 1rem}.step-num{font-family:var(--font-display);font-size:1.1rem;font-weight:900;color:var(--neon-cyan);width:28px;height:28px;border-radius:50%;background:#00f0ff26;display:flex;align-items:center;justify-content:center;flex-shrink:0}.step-text{font-size:.85rem;color:var(--text-main);line-height:1.4}.game-over-title{font-family:var(--font-display);font-size:clamp(2.2rem,6vw,3.4rem);font-weight:900;color:var(--neon-pink);text-shadow:var(--glow-pink);margin-bottom:.2rem}.game-over-score{font-family:var(--font-display);font-size:clamp(2.6rem,7vw,3.8rem);font-weight:900;color:var(--neon-gold);text-shadow:var(--glow-gold);margin:.4rem 0 .8rem;line-height:1}.new-high-score-tag{display:inline-block;background:linear-gradient(135deg,var(--neon-pink),var(--neon-gold));color:#000;font-family:var(--font-display);font-weight:900;font-size:.8rem;padding:.3rem .9rem;border-radius:var(--radius-full);margin-bottom:.8rem;box-shadow:0 0 20px #ff007f99;animation:bounce .6s infinite alternate}@keyframes bounce{0%{transform:scale(1)}to{transform:scale(1.08)}}.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.6rem;margin:.8rem 0 1.2rem}.stat-box{background:#ffffff0a;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md);padding:.6rem .8rem;display:flex;flex-direction:column;gap:.1rem}.stat-box.span-full{grid-column:span 2}.stat-label{font-size:.7rem;color:var(--text-muted);font-family:var(--font-display);text-transform:uppercase}.stat-val{font-family:var(--font-display);font-size:1.15rem;font-weight:800;color:var(--neon-cyan)}.name-entry-card{background:#00f0ff0f;border:1px solid var(--border-cyan);border-radius:var(--radius-md);padding:.9rem 1rem;margin-bottom:1.4rem;box-shadow:inset 0 0 15px #00f0ff0d}.name-entry-header{display:flex;align-items:center;justify-content:center;gap:.4rem;font-family:var(--font-display);font-size:.75rem;font-weight:800;letter-spacing:1px;color:var(--neon-cyan);margin-bottom:.6rem;text-transform:uppercase}.name-entry-form{display:flex;flex-direction:column;gap:.5rem;width:100%}.input-wrapper{display:flex;gap:.5rem;width:100%}.cyber-input{flex:1;background:#050814cc;border:1.5px solid var(--border-cyan);border-radius:var(--radius-sm);padding:.65rem .9rem;color:#fff;font-family:var(--font-display);font-size:.9rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;outline:none;transition:all var(--transition-fast)}.cyber-input:focus{border-color:var(--neon-cyan);box-shadow:0 0 15px #00f0ff66,inset 0 0 10px #00f0ff1a;background:#0a0f23e6}.cyber-input::placeholder{color:#ffffff4d;font-weight:400;text-transform:none}.btn-input-action{background:linear-gradient(135deg,var(--neon-cyan) 0%,var(--neon-blue) 100%);border:none;border-radius:var(--radius-sm);color:#050713;font-family:var(--font-display);font-size:.85rem;font-weight:900;letter-spacing:1px;padding:0 1.1rem;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;gap:.3rem;flex-shrink:0}.btn-input-action:hover{box-shadow:0 0 15px #00f0ffb3;transform:scale(1.03)}.btn-input-action:active{transform:scale(.96)}.rank-celebration-tag{font-family:var(--font-display);font-size:.78rem;font-weight:800;color:var(--neon-gold);text-shadow:var(--glow-gold);margin-top:.4rem;animation:slideInLeft .3s ease}.leaderboard-modal-card{max-width:580px}.leaderboard-header{margin-bottom:1rem}.leaderboard-trophy-glow{font-size:2.8rem;filter:drop-shadow(0 0 20px rgba(255,215,0,.8));animation:floatTrophy 2.5s infinite ease-in-out;display:inline-block;margin-bottom:.2rem}@keyframes floatTrophy{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-6px) scale(1.08)}}.personal-best-card{background:#ffd70014;border:1px solid var(--border-gold);border-radius:var(--radius-md);padding:.75rem 1.2rem;display:flex;align-items:center;justify-content:space-between;margin-bottom:1.2rem;box-shadow:0 0 20px #ffd70026}.pb-left,.pb-right{display:flex;flex-direction:column;align-items:flex-start}.pb-right{align-items:flex-end}.pb-divider{width:1px;height:28px;background:var(--border-gold);opacity:.5}.pb-label{font-family:var(--font-display);font-size:.65rem;color:var(--text-muted);font-weight:700;letter-spacing:1px}.pb-value{font-family:var(--font-display);font-size:1.2rem;font-weight:900;color:var(--text-main)}.pb-value.gold{color:var(--neon-gold);text-shadow:var(--glow-gold)}.leaderboard-table-container{background:#05081499;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-md);overflow:hidden;display:flex;flex-direction:column}.leaderboard-table-head{display:grid;grid-template-columns:55px 1fr 60px 85px;padding:.6rem .8rem;background:#00f0ff1a;border-bottom:1px solid 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