:root{--star-shape:polygon(50% 0%,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%)}.confetti-container{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;overflow:hidden;z-index:9999}.confetti-piece{position:absolute;width:10px;height:10px;top:-20px;animation-name:confetti-fall;animation-timing-function:linear;animation-fill-mode:forwards}.confetti-celebration .confetti-piece{border-radius:2px}.confetti-winner .confetti-piece{border-radius:50%;box-shadow:0 0 6px currentColor}.confetti-perfect_score .confetti-piece{clip-path:var(--star-shape)}.confetti-round_complete .confetti-piece{border-radius:0;transform-origin:center}@keyframes confetti-fall{0%{transform:translateY(0) rotate(0deg);opacity:1}10%{opacity:1}to{transform:translateY(100vh) rotate(2turn);opacity:0}}@media (prefers-reduced-motion:reduce){.confetti-piece{animation:none;opacity:0}}:root{--premium-gold:#ffd700;--premium-gold-light:#ffe44d;--premium-gold-dark:#ccac00;--premium-green:#10b981;--premium-green-light:#34d399;--premium-green-dark:#059669;--premium-blue:#3b82f6;--premium-blue-light:#60a5fa;--premium-blue-dark:#2563eb;--premium-purple:#8b5cf6;--premium-purple-light:#a78bfa;--premium-purple-dark:#7c3aed;--premium-red:#ef4444;--premium-red-light:#f87171;--premium-red-dark:#dc2626;--premium-black:#0f0f0f;--premium-dark:#1a1a2e;--premium-gray-900:#1f2937;--premium-gray-800:#2d3748;--premium-gray-700:#374151;--premium-gray-600:#4b5563;--premium-gray-500:#6b7280;--premium-gray-400:#9ca3af;--premium-gray-300:#d1d5db;--premium-gray-200:#e5e7eb;--premium-gray-100:#f3f4f6;--premium-white:#ffffff;--gradient-primary:linear-gradient(135deg,var(--premium-blue) 0%,var(--premium-purple) 100%);--gradient-success:linear-gradient(135deg,var(--premium-green) 0%,var(--premium-green-light) 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rgba(139,92,246,0.5);--shadow-glow-gold:0 0 20px rgba(255,215,0,0.5);--shadow-glow-green:0 0 20px rgba(16,185,129,0.5);--ease-spring:cubic-bezier(0.34,1.56,0.64,1);--ease-smooth:cubic-bezier(0.4,0,0.2,1);--ease-bounce:cubic-bezier(0.68,-0.55,0.265,1.55);--duration-fast:150ms;--duration-normal:300ms;--duration-slow:500ms;--font-display:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-mono:"JetBrains Mono","Fira Code",monospace;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-2xl:24px;--radius-full:9999px}.dark{--glass-bg:rgba(255,255,255,0.05);--glass-bg-dark:rgba(0,0,0,0.4);--glass-border:rgba(255,255,255,0.1);--glass-shadow:0 8px 32px rgba(0,0,0,0.4)}.premium-bg-gradient{background:var(--gradient-dark);min-height:100vh}.premium-bg-hero{background:var(--gradient-hero);position:relative;overflow:hidden}.premium-bg-cosmic{background:var(--gradient-cosmic)}.premium-bg-animated{background:var(--gradient-animated);background-size:400% 400%;animation:gradient-shift 15s ease infinite}.premium-particles{position:relative}.premium-particles:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background-image:radial-gradient(circle at 20% 80%,rgba(255,255,255,.1) 0,transparent 50%),radial-gradient(circle at 80% 20%,rgba(255,255,255,.1) 0,transparent 50%),radial-gradient(circle at 40% 40%,rgba(139,92,246,.1) 0,transparent 40%),radial-gradient(circle at 60% 60%,rgba(59,130,246,.1) 0,transparent 40%);pointer-events:none;animation:particles-float 20s ease-in-out infinite}.premium-text-gradient{background:var(--gradient-hero);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.premium-text-gold{background:var(--gradient-gold-shine);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.premium-text-glow{text-shadow:0 0 10px rgba(255,255,255,.5)}.premium-border-glow{border:1px solid var(--glass-border);box-shadow:var(--shadow-glow-blue)}.premium-hover-lift{transition:transform var(--duration-normal) var(--ease-spring),box-shadow var(--duration-normal) var(--ease-smooth)}.premium-hover-lift:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}.premium-hover-scale{transition:transform var(--duration-fast) var(--ease-spring)}.premium-hover-scale:hover{transform:scale(1.02)}@media (prefers-reduced-motion:reduce){.premium-bg-animated,.premium-particles:before{animation:none}.premium-hover-lift,.premium-hover-scale{transition:none}}@media (prefers-contrast:high){:root{--glass-bg:rgba(255,255,255,0.3);--glass-border:rgba(255,255,255,0.5)}.dark{--glass-bg:rgba(0,0,0,0.5);--glass-border:rgba(255,255,255,0.3)}}.glass-card{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius-xl);box-shadow:var(--glass-shadow);padding:24px;transition:transform var(--duration-normal) var(--ease-spring),box-shadow var(--duration-normal) var(--ease-smooth)}.glass-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-xl)}.glass-card-dark{background:var(--glass-bg-dark)}.glass-card-strong{backdrop-filter:var(--glass-blur-strong);-webkit-backdrop-filter:var(--glass-blur-strong)}.btn-premium{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;font-size:16px;font-weight:600;font-family:var(--font-display);border:none;border-radius:var(--radius-lg);cursor:pointer;position:relative;overflow:hidden;transition:all var(--duration-normal) var(--ease-spring)}.btn-premium:focus-visible{outline:3px solid var(--premium-blue-light);outline-offset:2px}.btn-premium:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.btn-primary{background:var(--gradient-primary);color:var(--premium-white);box-shadow:0 4px 14px rgba(59,130,246,.4)}.btn-primary:hover:not(:disabled){transform:translateY(-2px) scale(1.02);box-shadow:0 6px 20px rgba(59,130,246,.5)}.btn-primary:active:not(:disabled){transform:translateY(0) scale(.98)}.btn-secondary{background:transparent;color:var(--premium-white);border:2px solid var(--glass-border);backdrop-filter:var(--glass-blur)}.btn-secondary:hover:not(:disabled){background:var(--glass-bg);transform:translateY(-2px);border-color:var(--premium-blue-light)}.btn-success{background:var(--gradient-success);color:var(--premium-white);box-shadow:0 4px 14px rgba(16,185,129,.4)}.btn-success:hover:not(:disabled){transform:translateY(-2px) scale(1.02);box-shadow:0 6px 20px rgba(16,185,129,.5)}.btn-warning{background:var(--gradient-warning);color:var(--premium-black);box-shadow:0 4px 14px rgba(255,215,0,.4)}.btn-warning:hover:not(:disabled){transform:translateY(-2px) scale(1.02);box-shadow:0 6px 20px rgba(255,215,0,.5)}.btn-danger{background:var(--gradient-danger);color:var(--premium-white);box-shadow:0 4px 14px rgba(239,68,68,.4)}.btn-danger:hover:not(:disabled){transform:translateY(-2px) scale(1.02);box-shadow:0 6px 20px rgba(239,68,68,.5)}.btn-ghost{background:transparent;color:var(--premium-gray-300);padding:8px 16px}.btn-ghost:hover:not(:disabled){background:var(--glass-bg);color:var(--premium-white)}.btn-sm{padding:8px 16px;font-size:14px}.btn-lg{padding:16px 36px;font-size:18px}.btn-xl{padding:20px 48px;font-size:20px}.score-display{display:flex;align-items:center;gap:12px;padding:16px 24px;background:var(--glass-bg);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius-xl)}.score-display-label{font-size:14px;font-weight:500;color:var(--premium-gray-400);text-transform:uppercase;letter-spacing:.5px}.score-display-value{font-size:32px;font-weight:700;font-family:var(--font-mono);background:var(--gradient-gold-shine);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.score-display-change{font-size:14px;font-weight:600;padding:4px 8px;border-radius:var(--radius-full)}.score-display-change.positive{background:rgba(16,185,129,.2);color:var(--premium-green-light)}.score-display-change.negative{background:rgba(239,68,68,.2);color:var(--premium-red-light)}.accuracy-meter{display:flex;flex-direction:column;gap:8px;padding:16px;background:var(--glass-bg);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius-lg)}.accuracy-meter-header{display:flex;justify-content:space-between;align-items:center}.accuracy-meter-label{font-size:14px;font-weight:500;color:var(--premium-gray-400)}.accuracy-meter-value{font-size:18px;font-weight:700;font-family:var(--font-mono)}.accuracy-meter-bar{height:8px;background:var(--premium-gray-700);border-radius:var(--radius-full);overflow:hidden;position:relative}.accuracy-meter-fill{height:100%;border-radius:var(--radius-full);transition:width var(--duration-slow) var(--ease-spring)}.accuracy-meter.excellent .accuracy-meter-fill{background:var(--gradient-success);box-shadow:0 0 10px rgba(16,185,129,.5)}.accuracy-meter.excellent .accuracy-meter-value{color:var(--premium-green-light)}.accuracy-meter.good .accuracy-meter-fill{background:var(--gradient-primary)}.accuracy-meter.good .accuracy-meter-value{color:var(--premium-blue-light)}.accuracy-meter.average .accuracy-meter-fill{background:var(--gradient-warning)}.accuracy-meter.average .accuracy-meter-value{color:var(--premium-gold)}.accuracy-meter.poor .accuracy-meter-fill{background:var(--gradient-danger)}.accuracy-meter.poor .accuracy-meter-value{color:var(--premium-red-light)}.leaderboard-container{background:var(--glass-bg);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius-xl);padding:24px;overflow:hidden}.leaderboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--glass-border)}.leaderboard-title{font-size:20px;font-weight:700;color:var(--premium-white);display:flex;align-items:center;gap:8px}.leaderboard-item{display:flex;align-items:center;gap:16px;padding:16px;margin:8px 0;background:var(--glass-bg);border:1px solid transparent;border-radius:var(--radius-lg);transition:all var(--duration-normal) var(--ease-spring)}.leaderboard-item:hover{transform:translateX(8px);border-color:var(--glass-border)}.leaderboard-item.rank-1{background:linear-gradient(135deg,rgba(255,215,0,.2),rgba(255,215,0,.05));border:1px solid rgba(255,215,0,.3);animation:rank-glow-gold 2s ease-in-out infinite}.leaderboard-item.rank-2{background:linear-gradient(135deg,rgba(192,192,192,.2),rgba(192,192,192,.05));border:1px solid rgba(192,192,192,.3)}.leaderboard-item.rank-3{background:linear-gradient(135deg,rgba(205,127,50,.2),rgba(205,127,50,.05));border:1px solid rgba(205,127,50,.3)}.leaderboard-item.current-player{border:2px solid var(--premium-blue-light);box-shadow:0 0 20px rgba(59,130,246,.3)}@keyframes rank-glow-gold{0%,to{box-shadow:0 0 10px rgba(255,215,0,.3)}50%{box-shadow:0 0 25px rgba(255,215,0,.5)}}.leaderboard-rank{width:40px;height:40px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;border-radius:var(--radius-full);background:var(--premium-gray-700);color:var(--premium-white)}.leaderboard-rank.gold{background:var(--gradient-gold-shine);color:var(--premium-black)}.leaderboard-rank.silver{background:linear-gradient(135deg,#c0c0c0,#e8e8e8);color:var(--premium-black)}.leaderboard-rank.bronze{background:linear-gradient(135deg,#cd7f32,#e4a661);color:var(--premium-white)}.leaderboard-avatar{width:48px;height:48px;border-radius:var(--radius-full);background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:600;color:var(--premium-white)}.leaderboard-player{flex:1}.leaderboard-player-name{font-size:16px;font-weight:600;color:var(--premium-white)}.leaderboard-player-stats{font-size:13px;color:var(--premium-gray-400);margin-top:2px}.leaderboard-score{font-size:24px;font-weight:700;font-family:var(--font-mono);color:var(--premium-gold)}.leaderboard-badge{font-size:24px;margin-left:8px}.toast-notification{position:fixed;bottom:24px;right:24px;padding:16px 24px;background:var(--glass-bg-dark);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);display:flex;align-items:center;gap:12px;z-index:1000;animation:slide-in-right var(--duration-normal) var(--ease-spring)}.toast-notification.success{border-left:4px solid var(--premium-green)}.toast-notification.error{border-left:4px solid var(--premium-red)}.toast-notification.warning{border-left:4px solid var(--premium-gold)}.toast-notification.info{border-left:4px solid var(--premium-blue)}.toast-icon{font-size:20px}.toast-message{font-size:14px;font-weight:500;color:var(--premium-white)}.lobby-card{background:var(--glass-bg);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius-xl);padding:32px;text-align:center;transition:all var(--duration-normal) var(--ease-spring)}.lobby-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl);border-color:var(--premium-blue-light)}.lobby-card-icon{font-size:48px;margin-bottom:16px}.lobby-card-title{font-size:24px;font-weight:700;color:var(--premium-white);margin-bottom:8px}.lobby-card-description{font-size:14px;color:var(--premium-gray-400);margin-bottom:24px}.game-status-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;border-radius:var(--radius-full)}.game-status-badge.waiting{background:rgba(139,92,246,.2);color:var(--premium-purple-light);border:1px solid rgba(139,92,246,.3)}.game-status-badge.active{background:rgba(16,185,129,.2);color:var(--premium-green-light);border:1px solid rgba(16,185,129,.3);animation:pulse-glow 2s ease-in-out infinite}.game-status-badge.completed{background:rgba(255,215,0,.2);color:var(--premium-gold);border:1px solid rgba(255,215,0,.3)}.game-status-badge-dot{width:8px;height:8px;border-radius:var(--radius-full);background:currentColor}.game-status-badge.active .game-status-badge-dot{animation:pulse 1s ease-in-out infinite}.premium-input{width:100%;padding:14px 18px;font-size:16px;font-family:var(--font-display);color:var(--premium-white);background:var(--glass-bg);backdrop-filter:var(--glass-blur);border:2px solid var(--glass-border);border-radius:var(--radius-lg);transition:all var(--duration-fast) var(--ease-smooth)}.premium-input::placeholder{color:var(--premium-gray-500)}.premium-input:focus{outline:none;border-color:var(--premium-blue);box-shadow:0 0 0 3px rgba(59,130,246,.2)}.premium-input:focus-visible{outline:3px solid var(--premium-blue-light);outline-offset:2px}.premium-input:disabled{opacity:.5;cursor:not-allowed}.premium-input-gamecode{text-align:center;font-family:var(--font-mono);font-size:32px;font-weight:700;letter-spacing:8px;text-transform:uppercase;padding:20px}.premium-select{width:100%;font-size:16px;font-family:var(--font-display);color:var(--premium-white);background:var(--glass-bg);backdrop-filter:var(--glass-blur);border:2px solid var(--glass-border);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--duration-fast) var(--ease-smooth);appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:20px;padding:14px 44px 14px 18px}.premium-select:focus{outline:none;border-color:var(--premium-blue);box-shadow:0 0 0 3px rgba(59,130,246,.2)}.premium-select:focus-visible{outline:3px solid var(--premium-blue-light);outline-offset:2px}.premium-select option{background:var(--premium-gray-800);color:var(--premium-white);padding:12px}.premium-range{width:100%;height:8px;background:var(--premium-gray-700);border-radius:var(--radius-full);appearance:none;cursor:pointer}.premium-range::-webkit-slider-thumb{appearance:none;width:24px;height:24px;background:var(--gradient-primary);border-radius:var(--radius-full);cursor:pointer;box-shadow:0 2px 10px rgba(59,130,246,.5);transition:transform var(--duration-fast) var(--ease-spring)}.premium-range::-webkit-slider-thumb:hover{transform:scale(1.2)}.premium-range::-moz-range-thumb{width:24px;height:24px;background:var(--gradient-primary);border:none;border-radius:var(--radius-full);cursor:pointer;box-shadow:0 2px 10px rgba(59,130,246,.5)}.premium-range:focus-visible{outline:3px solid var(--premium-blue-light);outline-offset:4px}.premium-spinner{display:inline-block;width:24px;height:24px;border-radius:var(--radius-full);border:3px solid var(--glass-border);border-top-color:var(--premium-blue);animation:spin .8s linear infinite}.premium-spinner-lg{width:48px;height:48px;border-width:4px}.premium-pulse{animation:pulse 2s ease-in-out infinite}@media (max-width:768px){.glass-card{padding:16px;border-radius:var(--radius-lg)}.btn-premium{padding:10px 20px;font-size:14px}.btn-xl{padding:14px 32px;font-size:16px}.leaderboard-item{padding:12px;gap:12px}.leaderboard-avatar{width:40px;height:40px;font-size:16px}.leaderboard-score{font-size:18px}.score-display-value{font-size:24px}.lobby-card{padding:24px}.premium-input-gamecode{font-size:24px;letter-spacing:4px;padding:16px}}@media (max-width:480px){.leaderboard-player-stats{display:none}.toast-notification{left:16px;right:16px;bottom:16px}}@media (prefers-reduced-motion:reduce){.btn-premium,.glass-card,.leaderboard-item,.lobby-card,.premium-input,.premium-select{transition:none}.game-status-badge.active,.game-status-badge.active .game-status-badge-dot,.leaderboard-item.rank-1,.premium-pulse,.premium-spinner{animation:none}}:root{--anim-duration-fast:150ms;--anim-duration-normal:300ms;--anim-duration-slow:500ms;--anim-duration-slower:800ms;--anim-ease-spring:cubic-bezier(0.34,1.56,0.64,1);--anim-ease-smooth:cubic-bezier(0.4,0,0.2,1);--anim-ease-bounce:cubic-bezier(0.68,-0.55,0.265,1.55);--anim-ease-elastic:cubic-bezier(0.175,0.885,0.32,1.275)}@keyframes fadeInScale{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes fade-scale-in{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.animate-fade-scale-in{animation:fade-scale-in var(--anim-duration-normal) var(--anim-ease-spring) forwards}@keyframes 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