#root{flex-direction:column;min-height:100vh;display:flex}:root{--neon-pink:#ff007f;--neon-cyan:#00f0ff;--neon-yellow:#ffe600;--neon-green:#39ff14;--neon-purple:#9d4edd;--neon-orange:#ff6b00;--neon-blue:#2563eb;--bg-primary:#0b0c16;--bg-secondary:#131527;--bg-card:#1a1c35;--bg-card-hover:#222544;--bg-surface:#262a4d;--text-primary:#fff;--text-secondary:#a3a8cc;--text-muted:#6b7299;--border-color:#3b3f6b;--border-glow:#00f0ff;--border-hard:#000;--pop-shadow:4px 4px 0px #000;--pop-shadow-lg:6px 6px 0px #000;--pop-shadow-pink:4px 4px 0px #ff007f;--pop-shadow-cyan:4px 4px 0px #00f0ff;--pop-shadow-yellow:4px 4px 0px #ffe600;--font-pixel:"Press Start 2P", monospace;--font-display:"Righteous", "Space Grotesk", sans-serif;--font-body:"Outfit", -apple-system, BlinkMacSystemFont, sans-serif;--radius-sm:4px;--radius-md:8px;--radius-lg:14px;--radius-xl:20px}body.retro-theme-synthwave{--bg-primary:#150826;--bg-secondary:#220d3d;--bg-card:#2f1254;--bg-card-hover:#3d186c;--bg-surface:#4d1f85;--text-primary:#ffedff;--text-secondary:#d8b4fe;--text-muted:#9370db;--border-color:#ff007f;--border-glow:#ff007f;--pop-shadow:4px 4px 0px #ff007f}body.retro-theme-gameboy{--bg-primary:#8bac0f;--bg-secondary:#9bbc0f;--bg-card:#8bac0f;--bg-card-hover:#9bbc0f;--bg-surface:#306230;--text-primary:#0f380f;--text-secondary:#306230;--text-muted:#4a754a;--border-color:#0f380f;--border-glow:#306230;--border-hard:#0f380f;--pop-shadow:4px 4px 0px #0f380f}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-body);background-color:var(--bg-primary);color:var(--text-primary);background-image:radial-gradient(circle at 20% 20%,#ff007f14 0%,#0000 40%),radial-gradient(circle at 80% 80%,#00f0ff14 0%,#0000 40%),linear-gradient(#ffffff05 1px,#0000 1px),linear-gradient(90deg,#ffffff05 1px,#0000 1px);background-size:100% 100%,100% 100%,32px 32px,32px 32px;min-height:100vh;line-height:1.5;position:relative;overflow-x:hidden}body.crt-active:before{content:" ";z-index:99999;pointer-events:none;opacity:.85;background:linear-gradient(#12101000 50%,#00000040 50%) 0 0/100% 3px,linear-gradient(90deg,#ff00000a,#00ff0005,#0000ff0a) 0 0/6px 100%;display:block;position:fixed;inset:0}body.crt-active:after{content:" ";z-index:99998;pointer-events:none;display:block;position:fixed;inset:0;box-shadow:inset 0 0 100px #000000b3}.retro-marquee-wrap{border-bottom:3px solid var(--neon-pink);white-space:nowrap;font-family:var(--font-pixel);letter-spacing:1px;color:var(--neon-yellow);-webkit-user-select:none;user-select:none;z-index:50;background:#000;padding:8px 0;font-size:10px;display:flex;position:relative;overflow:hidden}.retro-marquee-content{gap:30px;animation:25s linear infinite marqueeScroll;display:inline-flex}@keyframes marqueeScroll{0%{transform:translate(0)}to{transform:translate(-50%)}}.marquee-pill{color:var(--neon-cyan);font-weight:700}.marquee-coin{color:var(--neon-yellow);animation:1s infinite alternate coinBlink}@keyframes coinBlink{0%{opacity:.4}to{opacity:1}}.landing-navbar,.retro-app-header{background:var(--bg-secondary);border-bottom:3px solid var(--border-hard);z-index:100;justify-content:space-between;align-items:center;padding:16px 28px;display:flex;position:sticky;top:0;box-shadow:0 4px #0006}.landing-nav-brand,.retro-nav-brand{color:var(--text-primary);align-items:center;gap:12px;text-decoration:none;display:flex}.arcade-logo-box{background:linear-gradient(135deg, var(--neon-pink), var(--neon-purple));border-radius:var(--radius-md);border:3px solid #000;justify-content:center;align-items:center;width:42px;height:42px;font-size:22px;transition:transform .2s;display:flex;transform:rotate(-3deg);box-shadow:3px 3px #000}.arcade-logo-box:hover{transform:rotate(4deg)scale(1.08)}.landing-brand-name,.retro-brand-name{font-family:var(--font-display);letter-spacing:-.5px;background:linear-gradient(90deg, #fff, var(--neon-cyan));-webkit-text-fill-color:transparent;-webkit-background-clip:text;align-items:center;gap:6px;font-size:24px;font-weight:800;display:flex}.arcade-tag-chip{font-family:var(--font-pixel);background:var(--neon-yellow);color:#000;border-radius:var(--radius-sm);-webkit-text-fill-color:#000;border:2px solid #000;padding:3px 6px;font-size:8px;box-shadow:2px 2px #000}.landing-nav-links{align-items:center;gap:20px;display:flex}.landing-nav-links a{font-family:var(--font-display);color:var(--text-secondary);border-radius:var(--radius-sm);padding:6px 12px;font-size:15px;text-decoration:none;transition:all .15s}.landing-nav-links a:hover,.landing-nav-links a.active{color:var(--neon-yellow);text-shadow:0 0 8px #ffe60080;background:#ffe6001a}.retro-nav-actions{align-items:center;gap:12px;display:flex}.retro-tool-btn{background:var(--bg-card);border:2px solid var(--border-hard);color:var(--text-primary);border-radius:var(--radius-md);box-shadow:2px 2px 0px var(--border-hard);cursor:pointer;font-family:var(--font-pixel);align-items:center;gap:6px;padding:8px 12px;font-size:9px;transition:all .12s;display:flex}.retro-tool-btn:hover{box-shadow:3px 3px 0px var(--neon-cyan);border-color:var(--neon-cyan);transform:translate(-1px,-1px)}.retro-tool-btn:active{transform:translate(2px,2px);box-shadow:0 0}.retro-tool-btn.active{background:var(--neon-pink);color:#fff;border-color:#000;box-shadow:2px 2px #000}.retro-coin-badge{border:2px solid var(--neon-yellow);box-shadow:2px 2px 0px var(--neon-yellow);border-radius:var(--radius-md);font-family:var(--font-pixel);color:var(--neon-yellow);background:#000;align-items:center;gap:6px;padding:6px 10px;font-size:10px;display:flex}.btn-retro-primary{background:var(--neon-pink);color:#fff;border-radius:var(--radius-md);font-family:var(--font-pixel);letter-spacing:.5px;cursor:pointer;text-transform:uppercase;border:3px solid #000;justify-content:center;align-items:center;gap:10px;padding:12px 24px;font-size:11px;text-decoration:none;transition:all .12s;display:inline-flex;box-shadow:4px 4px #000}.btn-retro-primary:hover{background:#ff1a8c;transform:translate(-2px,-2px);box-shadow:6px 6px #000}.btn-retro-primary:active{transform:translate(3px,3px);box-shadow:1px 1px #000}.btn-retro-secondary{background:var(--neon-cyan);color:#000;border-radius:var(--radius-md);font-family:var(--font-pixel);letter-spacing:.5px;cursor:pointer;text-transform:uppercase;border:3px solid #000;justify-content:center;align-items:center;gap:10px;padding:12px 24px;font-size:11px;text-decoration:none;transition:all .12s;display:inline-flex;box-shadow:4px 4px #000}.btn-retro-secondary:hover{background:#33f3ff;transform:translate(-2px,-2px);box-shadow:6px 6px #000}.btn-retro-secondary:active{transform:translate(3px,3px);box-shadow:1px 1px #000}.btn-retro-yellow{background:var(--neon-yellow);color:#000;border-radius:var(--radius-md);font-family:var(--font-pixel);cursor:pointer;border:3px solid #000;align-items:center;gap:8px;padding:12px 24px;font-size:11px;text-decoration:none;transition:all .12s;display:inline-flex;box-shadow:4px 4px #000}.btn-retro-yellow:hover{transform:translate(-2px,-2px);box-shadow:6px 6px #000}.btn-retro-outline{color:var(--text-primary);border:3px solid var(--border-color);border-radius:var(--radius-md);font-family:var(--font-pixel);cursor:pointer;background:0 0;align-items:center;gap:8px;padding:12px 20px;font-size:11px;text-decoration:none;transition:all .12s;display:inline-flex;box-shadow:4px 4px #000}.btn-retro-outline:hover{border-color:var(--neon-cyan);color:var(--neon-cyan);box-shadow:6px 6px 0px var(--neon-cyan);transform:translate(-2px,-2px)}.landing-hero{grid-template-columns:1.15fr .85fr;align-items:center;gap:40px;max-width:1300px;margin:0 auto;padding:60px 48px 80px;display:grid}.hero-tag-badge{border:2px solid var(--neon-pink);color:var(--neon-pink);font-family:var(--font-pixel);box-shadow:2px 2px 0px var(--neon-pink);background:#ff007f26;border-radius:999px;align-items:center;gap:8px;margin-bottom:20px;padding:6px 14px;font-size:10px;display:inline-flex}.landing-hero-title{font-family:var(--font-display);letter-spacing:-1px;text-transform:uppercase;margin-bottom:24px;font-size:56px;font-weight:900;line-height:1.1}.retro-gradient-pink{background:linear-gradient(90deg,#ff007f,#ff758c);-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 16px #ff007f66);-webkit-background-clip:text}.retro-gradient-cyan{background:linear-gradient(90deg,#00f0ff,#00b4d8);-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 16px #00f0ff66);-webkit-background-clip:text}.landing-hero-desc{color:var(--text-secondary);max-width:580px;margin-bottom:36px;font-size:18px;line-height:1.6}.landing-hero-btns{flex-wrap:wrap;align-items:center;gap:16px;display:flex}.hero-cabinet-wrapper{border:4px solid var(--border-hard);border-radius:var(--radius-xl);box-shadow:10px 10px 0px var(--neon-cyan), 0 0 40px #00f0ff33;background:#000;padding:24px;position:relative;overflow:hidden}.cabinet-header{font-family:var(--font-pixel);border-bottom:2px dashed #333;justify-content:space-between;align-items:center;margin-bottom:18px;padding-bottom:12px;font-size:10px;display:flex}.cabinet-marquee-title{color:var(--neon-yellow)}.cabinet-lights{gap:6px;display:flex}.light-dot{border:1px solid #000;border-radius:50%;width:10px;height:10px}.light-red{background:#f05;box-shadow:0 0 8px #f05}.light-yellow{background:#ffe600;box-shadow:0 0 8px #ffe600}.light-green{background:#39ff14;box-shadow:0 0 8px #39ff14}.hero-mini-quiz-card{background:var(--bg-card);border-radius:var(--radius-md);border:3px solid #000;padding:18px;box-shadow:4px 4px #000}.hero-quiz-hud{font-family:var(--font-pixel);color:var(--neon-cyan);justify-content:space-between;margin-bottom:12px;font-size:9px;display:flex}.hero-quiz-q{color:#fff;margin-bottom:14px;font-size:15px;font-weight:700}.hero-quiz-choices{grid-template-columns:1fr 1fr;gap:10px;display:grid}.mini-choice-btn{background:var(--bg-secondary);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-display);text-align:left;cursor:pointer;border:2px solid #000;align-items:center;gap:8px;padding:10px;font-size:13px;font-weight:600;transition:all .1s;display:flex;box-shadow:2px 2px #000}.mini-choice-btn:hover{background:var(--neon-purple);color:#fff;transform:translate(-1px,-1px)}.mini-choice-btn.correct{background:var(--neon-green)!important;color:#000!important;border-color:#000!important}.mini-choice-btn.wrong{background:var(--neon-pink)!important;color:#fff!important}.mini-choice-badge{font-family:var(--font-pixel);color:#fff;background:#000;border-radius:2px;padding:2px 5px;font-size:8px}.hero-floating-badges{gap:12px;margin-top:18px;display:flex}.hero-stat-badge{background:var(--bg-secondary);border-radius:var(--radius-md);text-align:center;font-family:var(--font-pixel);border:2px solid #000;flex:1;padding:10px;box-shadow:3px 3px #000}.hero-stat-val{color:var(--neon-yellow);margin-top:4px;font-size:14px}.hero-stat-lbl{color:var(--text-muted);font-size:8px}.landing-features-section{max-width:1300px;margin:0 auto;padding:60px 48px}.section-retro-header{text-align:center;margin-bottom:48px}.section-tag{font-family:var(--font-pixel);color:var(--neon-yellow);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px;font-size:10px}.section-retro-title{font-family:var(--font-display);text-transform:uppercase;letter-spacing:-.5px;font-size:40px;font-weight:900}.retro-cartridge-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;display:grid}.retro-cartridge-card{background:var(--bg-card);border-radius:var(--radius-lg);border:3px solid #000;padding:28px 24px;transition:all .2s;position:relative;overflow:hidden;box-shadow:6px 6px #000}.retro-cartridge-card:before{content:"";background:#000;border-bottom-right-radius:4px;border-bottom-left-radius:4px;height:6px;position:absolute;top:0;left:20px;right:20px}.retro-cartridge-card:hover{box-shadow:8px 10px 0px var(--neon-pink);border-color:#000;transform:translateY(-6px)}.cartridge-icon-box{border-radius:var(--radius-md);border:3px solid 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12px}.rank-gold{font-weight:700;color:var(--neon-yellow)!important}.rank-silver{color:#e2e8f0!important}.rank-bronze{color:#f97316!important}.landing-cta-banner{background:linear-gradient(135deg, var(--neon-pink), var(--neon-purple));border-radius:var(--radius-xl);text-align:center;color:#fff;border:4px solid #000;max-width:1200px;margin:0 auto 80px;padding:50px 32px;box-shadow:8px 8px #000}.landing-cta-banner h2{font-family:var(--font-display);text-transform:uppercase;margin-bottom:12px;font-size:42px;font-weight:900}.landing-cta-banner p{opacity:.9;max-width:600px;margin:0 auto 28px;font-size:17px}.landing-footer{background:var(--bg-secondary);text-align:center;border-top:3px solid #000;flex-direction:column;align-items:center;gap:20px;padding:40px 48px;display:flex}.landing-footer-links{font-family:var(--font-display);flex-wrap:wrap;gap:20px;display:flex}.landing-footer-links a{color:var(--text-secondary);font-size:14px;text-decoration:none;transition:color .15s}.landing-footer-links a:hover{color:var(--neon-yellow)}.landing-footer-copy{font-family:var(--font-pixel);color:var(--text-muted);font-size:9px}.app-shell-root{min-height:100vh;display:flex}.retro-sidebar{background:var(--bg-secondary);z-index:90;border-right:3px solid #000;flex-direction:column;width:260px;height:100vh;padding:20px 16px;display:flex;position:sticky;top:0;box-shadow:4px 0 #0006}.sidebar-logo-area{border-bottom:2px dashed var(--border-color);margin-bottom:20px;padding-bottom:20px}.sidebar-nav-list{flex-direction:column;flex:1;gap:8px;display:flex}.sidebar-nav-item{border-radius:var(--radius-md);font-family:var(--font-display);color:var(--text-secondary);border:2px solid #0000;align-items:center;gap:12px;padding:12px 14px;font-size:15px;font-weight:700;text-decoration:none;transition:all .12s;display:flex}.sidebar-nav-item:hover{background:var(--bg-card);color:var(--text-primary);border-color:#000;transform:translate(-1px,-1px);box-shadow:3px 3px #000}.sidebar-nav-item.active{background:var(--neon-yellow);color:#000;border-color:#000;box-shadow:4px 4px #000}.sidebar-nav-icon{width:20px;height:20px}.sidebar-player-card{background:var(--bg-card);border-radius:var(--radius-md);border:2px solid #000;align-items:center;gap:10px;margin-top:auto;padding:12px;display:flex;box-shadow:3px 3px #000}.player-avatar-box{border:2px solid var(--neon-cyan);border-radius:var(--radius-sm);background:#000;justify-content:center;align-items:center;width:38px;height:38px;font-size:20px;display:flex}.player-name-text{font-family:var(--font-pixel);color:var(--text-primary);font-size:9px;font-weight:700}.player-level-chip{font-family:var(--font-pixel);color:var(--neon-green);margin-top:2px;font-size:8px}.app-main-area{flex-direction:column;flex:1;min-width:0;display:flex}.app-topbar{background:var(--bg-secondary);z-index:80;border-bottom:3px solid #000;justify-content:space-between;align-items:center;padding:16px 32px;display:flex;position:sticky;top:0;box-shadow:0 4px #0003}.retro-search-input-wrap{background:var(--bg-card);border-radius:var(--radius-md);border:2px solid #000;align-items:center;gap:8px;width:320px;padding:8px 14px;display:flex;box-shadow:2px 2px #000}.retro-search-input-wrap input{color:var(--text-primary);font-family:var(--font-body);background:0 0;border:none;outline:none;width:100%;font-size:14px}.app-page-content{width:100%;max-width:1400px;margin:0 auto;padding:32px}.retro-quiz-container{max-width:1050px;margin:0 auto}.arcade-hud-header{border:4px solid var(--neon-pink);border-radius:var(--radius-xl);box-shadow:8px 8px 0px var(--neon-pink);background:#000;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;padding:18px 24px;display:flex}.hud-stat-box{font-family:var(--font-pixel);flex-direction:column;display:flex}.hud-label{color:var(--text-muted);text-transform:uppercase;margin-bottom:4px;font-size:8px}.hud-val-cyan{color:var(--neon-cyan);font-size:16px}.hud-val-yellow{color:var(--neon-yellow);font-size:16px}.hud-val-green{color:var(--neon-green);font-size:16px}.hud-timer-wrap{border-radius:var(--radius-md);font-family:var(--font-pixel);background:#111;border:2px solid #333;align-items:center;gap:8px;padding:6px 14px;display:flex}.timer-digits{color:var(--neon-green);font-size:16px}.timer-digits.urgent{color:var(--neon-pink);animation:.5s infinite alternate urgentBlink}@keyframes urgentBlink{0%{opacity:.8;transform:scale(1)}to{opacity:1;text-shadow:0 0 10px #ff007f;transform:scale(1.15)}}.combo-multiplier-pill{color:#fff;font-family:var(--font-pixel);background:linear-gradient(90deg,#ff007f,#ff6b00);border:2px solid #000;border-radius:999px;padding:4px 10px;font-size:9px;animation:1s infinite alternate pulseCombo;box-shadow:2px 2px #000}@keyframes pulseCombo{0%{transform:scale(.96)}to{transform:scale(1.04)}}.arcade-question-card{background:var(--bg-card);border-radius:var(--radius-xl);border:4px solid #000;margin-bottom:24px;padding:32px;box-shadow:8px 8px #000}.q-category-tag{font-family:var(--font-pixel);color:var(--neon-cyan);border:1px solid var(--neon-cyan);border-radius:var(--radius-sm);background:#00f0ff1a;align-items:center;gap:8px;margin-bottom:16px;padding:4px 10px;font-size:9px;display:inline-flex}.q-main-title{color:#fff;margin-bottom:20px;font-size:22px;font-weight:700;line-height:1.4}.q-code-snippet{border:2px solid var(--neon-purple);border-radius:var(--radius-md);color:#39ff14;white-space:pre-wrap;background:#000;margin-bottom:24px;padding:16px;font-family:Courier New,monospace;font-size:14px;overflow-x:auto;box-shadow:4px 4px #000}.arcade-choices-grid{grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px;display:grid}@media (width<=768px){.arcade-choices-grid{grid-template-columns:1fr}}.arcade-choice-btn{background:var(--bg-secondary);border-radius:var(--radius-lg);color:var(--text-primary);font-family:var(--font-body);text-align:left;cursor:pointer;border:3px solid #000;align-items:center;gap:14px;padding:18px 20px;font-size:16px;font-weight:600;transition:all .12s;display:flex;position:relative;box-shadow:4px 4px #000}.arcade-choice-btn:hover:not(:disabled){background:var(--bg-surface);box-shadow:6px 6px 0px var(--neon-cyan);border-color:var(--neon-cyan);transform:translate(-2px,-2px)}.arcade-choice-btn:active:not(:disabled){transform:translate(2px,2px);box-shadow:1px 1px #000}.choice-key-box{border:2px solid var(--text-secondary);border-radius:var(--radius-sm);width:34px;height:34px;font-family:var(--font-pixel);color:#fff;background:#000;flex-shrink:0;justify-content:center;align-items:center;font-size:11px;display:flex}.arcade-choice-btn.selected{border-color:var(--neon-cyan);background:#00f0ff26}.arcade-choice-btn.correct{background:var(--neon-green)!important;color:#000!important;border-color:#000!important;box-shadow:4px 4px #000!important}.arcade-choice-btn.correct .choice-key-box{color:var(--neon-green);background:#000;border-color:#000}.arcade-choice-btn.wrong{background:var(--neon-pink)!important;color:#fff!important;border-color:#000!important;box-shadow:4px 4px #000!important}.arcade-explanation-box{border:3px solid var(--neon-yellow);box-shadow:5px 5px 0px var(--neon-yellow);border-radius:var(--radius-lg);background:#000;margin-top:20px;padding:20px}.explanation-header{font-family:var(--font-pixel);color:var(--neon-yellow);align-items:center;gap:8px;margin-bottom:8px;font-size:10px;display:flex}.explanation-body{color:#e2e8f0;font-size:14px;line-height:1.6}.quiz-matrix-bar{flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:24px;display:flex}.matrix-btn{background:var(--bg-secondary);border-radius:var(--radius-sm);width:36px;height:36px;font-family:var(--font-pixel);color:var(--text-secondary);cursor:pointer;border:2px solid #000;font-size:9px;transition:all .1s;box-shadow:2px 2px #000}.matrix-btn.current{border-color:var(--neon-yellow);box-shadow:3px 3px 0px var(--neon-yellow);color:var(--neon-yellow)}.matrix-btn.answered-correct{background:var(--neon-green);color:#000}.matrix-btn.answered-wrong{background:var(--neon-pink);color:#fff}.stage-clear-modal{border:5px solid var(--neon-yellow);box-shadow:12px 12px 0px var(--neon-yellow);border-radius:var(--radius-xl);text-align:center;color:#fff;background:#000;max-width:680px;margin:30px auto;padding:48px}.stage-clear-title{font-family:var(--font-pixel);color:var(--neon-yellow);letter-spacing:2px;text-shadow:0 0 16px #ffe60099;margin-bottom:12px;font-size:28px}.rank-badge-stamp{font-family:var(--font-pixel);color:var(--neon-pink);border:4px dashed var(--neon-pink);border-radius:var(--radius-md);box-shadow:4px 4px 0px var(--neon-pink);margin:20px 0;padding:12px 28px;font-size:32px;display:inline-block;transform:rotate(-5deg)}.stage-metrics-grid{grid-template-columns:repeat(3,1fr);gap:16px;margin:28px 0;display:grid}.stage-metric-card{background:var(--bg-card);border-radius:var(--radius-md);font-family:var(--font-pixel);border:2px solid #333;padding:16px}.metric-val{color:var(--neon-cyan);margin-top:6px;font-size:18px}.auth-coinop-root{justify-content:center;align-items:center;min-height:100vh;padding:40px 20px;display:flex}.auth-coinop-card{border:4px solid var(--neon-pink);box-shadow:10px 10px 0px var(--neon-pink);border-radius:var(--radius-xl);background:#000;width:100%;max-width:480px;padding:40px;position:relative}.coin-slot-header{text-align:center;margin-bottom:28px}.coin-slot-header h1{font-family:var(--font-pixel);color:var(--neon-yellow);margin-bottom:8px;font-size:18px}.coin-slot-header p{color:var(--text-secondary);font-size:14px}.coinop-field-group{margin-bottom:20px}.coinop-field-group label{font-family:var(--font-pixel);color:var(--neon-cyan);margin-bottom:8px;font-size:9px;display:block}.coinop-input{background:var(--bg-secondary);border-radius:var(--radius-md);color:#fff;width:100%;font-family:var(--font-body);border:3px solid #000;outline:none;padding:14px;font-size:15px;transition:border-color .15s;box-shadow:3px 3px #000}.coinop-input:focus{border-color:var(--neon-cyan)}.btn-guest-play{background:var(--neon-green);color:#000;border-radius:var(--radius-md);width:100%;font-family:var(--font-pixel);cursor:pointer;border:3px solid #000;justify-content:center;align-items:center;gap:8px;margin-top:14px;padding:14px;font-size:10px;transition:all .12s;display:flex;box-shadow:4px 4px #000}.btn-guest-play:hover{transform:translate(-2px,-2px);box-shadow:6px 6px #000}.mobile-nav-toggle{color:var(--neon-cyan);border:2px solid var(--neon-cyan);border-radius:var(--radius-sm);cursor:pointer;background:#000;padding:6px;display:none;box-shadow:2px 2px #000}.mobile-nav-drawer{display:none}.mobile-sidebar-toggle{color:var(--neon-yellow);border-radius:var(--radius-sm);cursor:pointer;background:#000;border:2px solid #000;padding:8px;display:none;box-shadow:2px 2px #000}.mobile-sidebar-close-btn{color:var(--neon-pink);border:2px solid var(--neon-pink);border-radius:var(--radius-sm);cursor:pointer;background:#000;padding:4px;display:none}.retro-sidebar-backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:998;background:#000000bf;display:none;position:fixed;inset:0}.mobile-bottom-bar{display:none}@media (width<=860px){.mobile-nav-toggle{justify-content:center;align-items:center;display:flex}.landing-nav-links{display:none}.desktop-nav-auth{display:none!important}.mobile-nav-drawer{border-bottom:4px solid var(--neon-pink);z-index:1001;background:#000;flex-direction:column;padding:20px;animation:.2s cubic-bezier(.16,1,.3,1) slideDown;display:flex;position:absolute;top:100%;left:0;right:0;box-shadow:0 16px 30px #000000e6}.mobile-nav-item{color:#fff;font-family:var(--font-display);border-bottom:1px solid #1a1a2e;padding:12px 14px;font-size:16px;font-weight:700;text-decoration:none;transition:color .15s}.mobile-nav-item.active,.mobile-nav-item:hover{color:var(--neon-yellow);padding-left:18px}.landing-hero{grid-template-columns:1fr;gap:32px;padding:30px 16px 40px}.landing-hero-title{font-size:clamp(28px,8vw,44px);line-height:1.15}.landing-hero-desc{margin-bottom:24px;font-size:14px}.landing-hero-btns{flex-direction:column;gap:12px}.landing-hero-btns a,.landing-hero-btns button{justify-content:center;width:100%;padding:14px}.hero-floating-badges{flex-direction:column;gap:8px}.hero-stat-badge{flex-direction:row;justify-content:space-between;width:100%;padding:8px 14px;display:flex}.app-shell-root{width:100%;min-height:100vh;display:block;position:relative}.retro-sidebar-backdrop{display:block}.retro-sidebar{z-index:1000;width:280px;max-width:85vw;box-shadow:none;transition:transform .28s cubic-bezier(.16,1,.3,1),left .28s cubic-bezier(.16,1,.3,1);position:fixed;top:0;bottom:0;left:-320px}.retro-sidebar.open{left:0;box-shadow:12px 0 40px #000000d9}.mobile-sidebar-toggle,.mobile-sidebar-close-btn{justify-content:center;align-items:center;display:flex}.app-main-area{width:100%;min-width:0}.app-topbar{padding:12px 14px}.app-content-body{padding:16px 14px 90px}.mobile-bottom-bar{z-index:995;background:#000;border-top:3px solid #000;justify-content:space-around;align-items:center;height:62px;padding:0 4px;display:flex;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 16px #0009}.mobile-bottom-item{color:var(--text-muted);font-size:10px;font-family:var(--font-display);border-radius:var(--radius-sm);flex-direction:column;justify-content:center;align-items:center;gap:3px;padding:6px 10px;font-weight:700;text-decoration:none;transition:all .15s;display:flex}.mobile-bottom-item.active{color:var(--neon-yellow);background:#ffe6001a}.dashboard-banner-grid{text-align:center;justify-items:center;grid-template-columns:1fr!important;gap:16px!important;padding:20px 16px!important}.dashboard-bottom-grid{grid-template-columns:1fr!important;gap:20px!important}.quiz-hub-grid{grid-template-columns:1fr!important;gap:16px!important}.auth-coinop-root{padding:20px 12px!important}.auth-coinop-card{box-shadow:6px 6px 0px var(--neon-pink)!important;border-width:3px!important;padding:24px 16px!important}.coin-slot-header h1{font-size:15px!important}.retro-cartridge-grid,.steps-grid{grid-template-columns:1fr;gap:16px}.arcade-hud-header{flex-direction:column;align-items:stretch;gap:12px;padding:14px}.arcade-hud-header>div{justify-content:space-between;width:100%}.arcade-question-card{padding:18px 14px}.q-main-title{font-size:clamp(17px,4.5vw,22px)}.arcade-choices-grid{gap:10px;grid-template-columns:1fr!important}.arcade-choice-btn,.q-choice-btn{width:100%;min-height:52px;padding:12px 14px;font-size:14px}.quiz-matrix-bar{gap:4px;grid-template-columns:repeat(10,1fr)!important}.quiz-matrix-bar button{height:28px;padding:0;font-size:8px}.stage-metrics-grid{grid-template-columns:1fr;gap:10px}.stage-clear-modal{padding:24px 14px}.highscore-table{-webkit-overflow-scrolling:touch;width:100%;display:block;overflow-x:auto}}@media (width<=520px){.retro-marquee-wrap{padding:4px 0}.retro-marquee-item{gap:8px;font-size:8px}.landing-brand-name{font-size:16px}.arcade-logo-box{width:32px;height:32px;font-size:16px}.arcade-tag-chip{padding:2px 6px;font-size:7px}.retro-tool-btn span{display:none}.retro-tool-btn{padding:6px}.retro-search-form{display:none}.quiz-matrix-bar{gap:4px;grid-template-columns:repeat(5,1fr)!important}}