:root{--bg-primary: #0a0a1a;--bg-secondary: #12122a;--bg-tertiary: #1a1a3e;--bg-card: rgba(26, 26, 62, .6);--bg-card-hover: rgba(35, 35, 80, .8);--neon-purple: #bf5af2;--neon-purple-glow: rgba(191, 90, 242, .4);--neon-cyan: #64d2ff;--neon-cyan-glow: rgba(100, 210, 255, .4);--neon-pink: #ff375f;--neon-pink-glow: rgba(255, 55, 95, .4);--neon-gold: #ffd60a;--neon-gold-glow: rgba(255, 214, 10, .4);--neon-green: #30d158;--neon-green-glow: rgba(48, 209, 88, .4);--player-x: var(--neon-pink);--player-x-glow: var(--neon-pink-glow);--player-o: var(--neon-cyan);--player-o-glow: var(--neon-cyan-glow);--text-primary: #ffffff;--text-secondary: rgba(255, 255, 255, .7);--text-tertiary: rgba(255, 255, 255, .4);--text-disabled: rgba(255, 255, 255, .2);--gradient-main: linear-gradient(135deg, var(--neon-purple), var(--neon-pink), var(--neon-cyan));--gradient-gold: linear-gradient(135deg, #ffd60a, #ff9f0a);--gradient-success: linear-gradient(135deg, #30d158, #64d2ff);--gradient-card: linear-gradient(135deg, rgba(191, 90, 242, .1), rgba(100, 210, 255, .1));--glass-bg: rgba(26, 26, 62, .4);--glass-border: rgba(255, 255, 255, .08);--glass-blur: 20px;--font-display: "Outfit", sans-serif;--font-body: "Space Grotesk", sans-serif;--text-xs: clamp(.625rem, .5rem + .5vw, .75rem);--text-sm: clamp(.75rem, .65rem + .5vw, .875rem);--text-base: clamp(.875rem, .75rem + .5vw, 1rem);--text-lg: clamp(1rem, .85rem + .75vw, 1.25rem);--text-xl: clamp(1.25rem, 1rem + 1vw, 1.5rem);--text-2xl: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);--text-3xl: clamp(2rem, 1.5rem + 2vw, 3rem);--text-4xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);--text-hero: clamp(3rem, 2rem + 4vw, 5rem);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-neon-purple: 0 0 20px var(--neon-purple-glow), 0 0 40px rgba(191, 90, 242, .2);--shadow-neon-cyan: 0 0 20px var(--neon-cyan-glow), 0 0 40px rgba(100, 210, 255, .2);--shadow-neon-pink: 0 0 20px var(--neon-pink-glow), 0 0 40px rgba(255, 55, 95, .2);--shadow-neon-gold: 0 0 20px var(--neon-gold-glow), 0 0 40px rgba(255, 214, 10, .2);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .4s cubic-bezier(.4, 0, .2, 1);--transition-spring: .5s cubic-bezier(.34, 1.56, .64, 1);--z-base: 1;--z-nav: 100;--z-modal: 200;--z-toast: 300;--z-loading: 400}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;text-size-adjust:100%;-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);font-size:var(--text-base);color:var(--text-primary);background-color:var(--bg-primary);background-image:radial-gradient(ellipse at 20% 50%,rgba(191,90,242,.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 50%,rgba(100,210,255,.06) 0%,transparent 50%),radial-gradient(ellipse at 50% 100%,rgba(255,55,95,.05) 0%,transparent 40%);background-attachment:fixed;min-height:100vh;min-height:100dvh;overflow-x:hidden;line-height:1.6}#app{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--neon-purple)}::selection{background:#bf5af24d;color:#fff}a{color:var(--neon-cyan);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--neon-purple)}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:700;line-height:1.2}img,svg{max-width:100%;height:auto;display:block}button{font-family:var(--font-body);cursor:pointer;border:none;background:none;color:inherit;font-size:inherit}input,select,textarea{font-family:var(--font-body);font-size:var(--text-base);color:var(--text-primary);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-md);padding:var(--space-sm) var(--space-md);outline:none;transition:border-color var(--transition-fast)}input:focus,select:focus,textarea:focus{border-color:var(--neon-purple)}#loading-screen{position:fixed;inset:0;z-index:var(--z-loading);background:var(--bg-primary);display:flex;align-items:center;justify-content:center;transition:opacity .6s ease,visibility .6s ease}#loading-screen.hidden{opacity:0;visibility:hidden;pointer-events:none}.loader-content{text-align:center}.loader-logo{font-family:var(--font-display);font-size:var(--text-4xl);font-weight:900;margin-bottom:var(--space-xl)}.logo-inf{background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.logo-toe{color:var(--text-primary);text-shadow:0 0 20px var(--neon-purple-glow)}.loader-bar{width:200px;height:4px;background:var(--bg-tertiary);border-radius:var(--radius-full);margin:0 auto var(--space-md);overflow:hidden}.loader-bar-fill{height:100%;width:0%;background:var(--gradient-main);border-radius:var(--radius-full);animation:loader-fill 1.5s ease-in-out forwards}.loader-text{color:var(--text-tertiary);font-size:var(--text-sm)}@keyframes loader-fill{0%{width:0%}60%{width:80%}to{width:100%}}.page{flex:1;padding:var(--space-lg);padding-bottom:calc(70px + var(--space-lg));max-width:1200px;margin:0 auto;width:100%;animation:fadeInUp .4s ease}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}#game-canvas-container{width:100%;aspect-ratio:1;max-width:500px;max-height:500px;margin:0 auto;border-radius:var(--radius-lg);overflow:hidden;position:relative}#game-canvas-container canvas{width:100%!important;height:100%!important;touch-action:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-lg);font-family:var(--font-display);font-weight:600;font-size:var(--text-base);transition:all var(--transition-base);position:relative;overflow:hidden;white-space:nowrap;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}.btn:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.15),transparent);opacity:0;transition:opacity var(--transition-fast)}.btn:hover:before{opacity:1}.btn:active{transform:scale(.96)}.btn-primary{background:var(--gradient-main);color:#fff;box-shadow:var(--shadow-neon-purple)}.btn-primary:hover{box-shadow:0 0 30px var(--neon-purple-glow),0 0 60px #bf5af24d;transform:translateY(-2px)}.btn-secondary{background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text-primary);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur))}.btn-secondary:hover{border-color:var(--neon-purple);box-shadow:var(--shadow-neon-purple)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{color:var(--text-primary);background:#ffffff0d}.btn-icon{width:44px;height:44px;padding:0;border-radius:var(--radius-md);font-size:var(--text-xl)}.btn-lg{padding:var(--space-md) var(--space-xl);font-size:var(--text-lg);border-radius:var(--radius-xl)}.btn-sm{padding:var(--space-xs) var(--space-md);font-size:var(--text-sm)}.btn-block{width:100%}.card{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:var(--space-lg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));transition:all var(--transition-base)}.card-hover:hover{border-color:var(--neon-purple);box-shadow:var(--shadow-neon-purple);transform:translateY(-4px)}.card-glow{box-shadow:var(--shadow-neon-purple)}.mode-card{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-xl);padding:var(--space-xl) var(--space-lg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));text-align:center;cursor:pointer;transition:all var(--transition-spring);position:relative;overflow:hidden}.mode-card:before{content:"";position:absolute;inset:0;background:var(--gradient-card);opacity:0;transition:opacity var(--transition-base)}.mode-card:hover{transform:translateY(-8px) scale(1.02);border-color:var(--neon-purple);box-shadow:var(--shadow-neon-purple)}.mode-card:hover:before{opacity:1}.mode-card .mode-icon{font-size:2.5rem;margin-bottom:var(--space-md);display:block}.mode-card .mode-title{font-family:var(--font-display);font-weight:700;font-size:var(--text-xl);margin-bottom:var(--space-xs)}.mode-card .mode-desc{color:var(--text-secondary);font-size:var(--text-sm)}.mode-card[data-mode=solo]:hover{border-color:var(--neon-pink);box-shadow:var(--shadow-neon-pink)}.mode-card[data-mode=local]:hover{border-color:var(--neon-gold);box-shadow:var(--shadow-neon-gold)}.mode-card[data-mode=online]:hover{border-color:var(--neon-cyan);box-shadow:var(--shadow-neon-cyan)}.player-panel{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);border-radius:var(--radius-lg);background:var(--glass-bg);border:1px solid var(--glass-border);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));transition:all var(--transition-base)}.player-panel.active{border-color:var(--neon-purple);box-shadow:var(--shadow-neon-purple)}.player-panel.active.player-x{border-color:var(--player-x);box-shadow:var(--shadow-neon-pink)}.player-panel.active.player-o{border-color:var(--player-o);box-shadow:var(--shadow-neon-cyan)}.player-avatar{width:48px;height:48px;border-radius:var(--radius-full);background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0}.player-info{flex:1;min-width:0}.player-name{font-family:var(--font-display);font-weight:600;font-size:var(--text-base);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.player-score{color:var(--text-secondary);font-size:var(--text-sm)}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 10px;border-radius:var(--radius-full);font-size:var(--text-xs);font-weight:600;background:var(--bg-tertiary);color:var(--text-secondary)}.badge-purple{background:#bf5af233;color:var(--neon-purple)}.badge-cyan{background:#64d2ff33;color:var(--neon-cyan)}.badge-pink{background:#ff375f33;color:var(--neon-pink)}.badge-gold{background:#ffd60a33;color:var(--neon-gold)}.badge-green{background:#30d15833;color:var(--neon-green)}.progress-bar{width:100%;height:8px;background:var(--bg-tertiary);border-radius:var(--radius-full);overflow:hidden}.progress-bar-fill{height:100%;background:var(--gradient-main);border-radius:var(--radius-full);transition:width var(--transition-slow);position:relative}.progress-bar-fill:after{content:"";position:absolute;right:0;top:0;width:20px;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4));animation:progress-shine 1.5s infinite}@keyframes progress-shine{0%{opacity:0}50%{opacity:1}to{opacity:0}}.modal-overlay{position:fixed;inset:0;background:#000000b3;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:var(--z-modal);display:flex;align-items:center;justify-content:center;padding:var(--space-lg);animation:fadeIn .3s ease}.modal{background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--radius-xl);padding:var(--space-2xl);max-width:450px;width:100%;text-align:center;animation:scaleIn .3s var(--transition-spring);position:relative}.modal-close{position:absolute;top:var(--space-md);right:var(--space-md)}.modal h2{font-size:var(--text-2xl);margin-bottom:var(--space-md)}.modal p{color:var(--text-secondary);margin-bottom:var(--space-xl)}.toast-container{position:fixed;top:var(--space-lg);right:var(--space-lg);z-index:var(--z-toast);display:flex;flex-direction:column;gap:var(--space-sm)}.toast{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);animation:slideInRight .4s var(--transition-spring);max-width:350px}.toast-icon{font-size:1.5rem;flex-shrink:0}.toast-message{font-size:var(--text-sm)}.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:var(--z-nav);background:#0a0a1ae6;border-top:1px solid var(--glass-border);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));padding:var(--space-sm) 0;padding-bottom:max(var(--space-sm),env(safe-area-inset-bottom))}.bottom-nav .nav-items{display:flex;justify-content:space-around;align-items:center;max-width:500px;margin:0 auto}.nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-md);color:var(--text-tertiary);font-size:var(--text-xs);transition:all var(--transition-fast);cursor:pointer;-webkit-tap-highlight-color:transparent;text-decoration:none}.nav-item:hover,.nav-item.active{color:var(--neon-purple)}.nav-item.active{text-shadow:0 0 8px var(--neon-purple-glow)}.nav-icon{font-size:1.3rem;line-height:1}.nav-label{font-weight:500}.stats-row{display:flex;gap:var(--space-md);flex-wrap:wrap}.stat-item{flex:1;min-width:80px;text-align:center;padding:var(--space-md);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-md);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur))}.stat-value{font-family:var(--font-display);font-weight:800;font-size:var(--text-2xl);background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.stat-label{font-size:var(--text-xs);color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em}.achievement-card{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-lg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));transition:all var(--transition-base)}.achievement-card.unlocked{border-color:var(--neon-gold);box-shadow:0 0 10px #ffd60a26}.achievement-card.locked{opacity:.5;filter:grayscale(.3)}.achievement-icon{width:48px;height:48px;border-radius:var(--radius-md);background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0}.achievement-info{flex:1}.achievement-title{font-family:var(--font-display);font-weight:600;font-size:var(--text-base)}.achievement-desc{font-size:var(--text-sm);color:var(--text-secondary)}.difficulty-selector{display:flex;gap:var(--space-sm);padding:var(--space-xs);background:var(--bg-tertiary);border-radius:var(--radius-lg)}.difficulty-option{flex:1;padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);text-align:center;font-size:var(--text-sm);font-weight:600;cursor:pointer;transition:all var(--transition-fast);color:var(--text-secondary)}.difficulty-option.active{background:var(--gradient-main);color:#fff;box-shadow:var(--shadow-neon-purple)}.difficulty-option:hover:not(.active){color:var(--text-primary);background:#ffffff0d}.game-info-bar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);padding:var(--space-md);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-lg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur))}.move-counter{font-family:var(--font-display);font-weight:600;font-size:var(--text-base);color:var(--text-secondary)}.move-counter span{color:var(--neon-gold)}.emoji-bar{display:flex;gap:var(--space-xs)}.emoji-btn{width:36px;height:36px;border-radius:var(--radius-full);background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-size:1.1rem;cursor:pointer;transition:all var(--transition-fast);border:none}.emoji-btn:hover{transform:scale(1.2);background:var(--bg-card-hover)}.emoji-btn:active{transform:scale(.9)}.floating-emoji{position:fixed;font-size:2rem;pointer-events:none;z-index:var(--z-toast);animation:floatUp 1.5s ease forwards}.room-code{display:flex;gap:8px;justify-content:center;margin:var(--space-md) 0}.room-code-char{width:48px;height:56px;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:800;font-size:var(--text-2xl);background:var(--bg-tertiary);border:2px solid var(--neon-purple);border-radius:var(--radius-md);color:var(--neon-cyan);text-shadow:0 0 10px var(--neon-cyan-glow)}.leaderboard-entry{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-md);transition:all var(--transition-fast)}.leaderboard-entry:hover{background:var(--bg-card-hover)}.leaderboard-rank{font-family:var(--font-display);font-weight:800;font-size:var(--text-xl);width:40px;text-align:center;color:var(--text-tertiary)}.leaderboard-entry:nth-child(1) .leaderboard-rank{color:var(--neon-gold)}.leaderboard-entry:nth-child(2) .leaderboard-rank{color:silver}.leaderboard-entry:nth-child(3) .leaderboard-rank{color:#cd7f32}.daily-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:var(--space-sm)}.daily-item{aspect-ratio:1;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:var(--radius-md);background:var(--bg-tertiary);border:1px solid var(--glass-border);font-size:var(--text-sm);transition:all var(--transition-fast);cursor:pointer}.daily-item.claimed{background:#30d15826;border-color:var(--neon-green)}.daily-item.available{border-color:var(--neon-gold);box-shadow:var(--shadow-neon-gold);animation:pulse-glow 2s infinite}.daily-item .daily-day{font-size:var(--text-xs);color:var(--text-tertiary)}.daily-item .daily-reward{font-size:1.2rem}.turn-indicator{text-align:center;padding:var(--space-sm) var(--space-md);border-radius:var(--radius-full);font-family:var(--font-display);font-weight:600;font-size:var(--text-sm);transition:all var(--transition-base)}.turn-indicator.turn-x{background:#ff375f26;color:var(--neon-pink);border:1px solid rgba(255,55,95,.3)}.turn-indicator.turn-o{background:#64d2ff26;color:var(--neon-cyan);border:1px solid rgba(100,210,255,.3)}.shop-item{padding:var(--space-md);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-lg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));text-align:center;transition:all var(--transition-base);cursor:pointer}.shop-item:hover{border-color:var(--neon-gold);transform:translateY(-4px)}.shop-item .shop-preview{font-size:2.5rem;margin-bottom:var(--space-sm)}.shop-item .shop-name{font-weight:600;font-size:var(--text-sm);margin-bottom:var(--space-xs)}.shop-item .shop-price{display:flex;align-items:center;justify-content:center;gap:4px;font-size:var(--text-sm);color:var(--neon-gold);font-weight:600}.shop-item.owned{border-color:var(--neon-green)}.shop-item.equipped{border-color:var(--neon-purple);box-shadow:var(--shadow-neon-purple)}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-lg)}.section-title{font-family:var(--font-display);font-weight:700;font-size:var(--text-xl)}.section-action{font-size:var(--text-sm);color:var(--neon-purple);cursor:pointer}.streak-banner{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);background:linear-gradient(135deg,#ff375f26,#ffd60a26);border:1px solid rgba(255,214,10,.2);border-radius:var(--radius-lg)}.streak-fire{font-size:2rem}.streak-info{flex:1}.streak-count{font-family:var(--font-display);font-weight:800;font-size:var(--text-xl);color:var(--neon-gold)}.streak-label{font-size:var(--text-sm);color:var(--text-secondary)}.tabs{display:flex;gap:var(--space-xs);padding:var(--space-xs);background:var(--bg-tertiary);border-radius:var(--radius-lg);margin-bottom:var(--space-lg)}.tab{flex:1;padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);text-align:center;font-size:var(--text-sm);font-weight:600;cursor:pointer;transition:all var(--transition-fast);color:var(--text-secondary)}.tab.active{background:var(--glass-bg);color:var(--text-primary);box-shadow:var(--shadow-sm)}.tab:hover:not(.active){color:var(--text-primary)}.icon{width:1em;height:1em;display:inline-block;vertical-align:-.125em;flex-shrink:0}.icon-inline{display:inline-flex;width:1.2em;height:1.2em;vertical-align:-.2em}.icon-inline .icon{width:100%;height:100%}.icon-xs{display:inline-flex;width:.85em;height:.85em;vertical-align:-.1em}.icon-xs .icon{width:100%;height:100%}.icon-header{display:inline-flex;width:1.1em;height:1.1em}.icon-header .icon{width:100%;height:100%}.icon-rank{display:inline-flex;width:28px;height:28px}.icon-rank .icon{width:100%;height:100%}.nav-icon .icon{width:20px;height:20px}.mode-icon .icon{width:2.5rem;height:2.5rem}.mode-icon{display:flex;justify-content:center;margin-bottom:var(--space-md);color:currentColor}.avatar-icon{width:100%;height:100%}.streak-fire .icon{width:2rem;height:2rem}.streak-fire{display:flex;color:var(--neon-gold)}.reaction-bar{display:flex;gap:var(--space-xs)}.reaction-btn{width:36px;height:36px;border-radius:var(--radius-full);background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast);border:none;color:var(--text-secondary);padding:6px}.reaction-btn:hover{transform:scale(1.2);background:var(--bg-card-hover);color:var(--neon-cyan)}.reaction-btn:active{transform:scale(.9)}.reaction-btn .icon{width:100%;height:100%}.achievement-icon .icon{width:1.5rem;height:1.5rem}.player-avatar .icon{width:24px;height:24px}.toast-icon .icon{width:1.5rem;height:1.5rem}.modal .icon{width:3rem;height:3rem}.btn .icon{width:1.1em;height:1.1em}.shop-preview .icon{width:2rem;height:2rem}.how-it-works .icon{width:1em;height:1em}.badge .icon-xs .icon,.badge .icon{width:.8em;height:.8em}.leaderboard-entry .player-avatar .icon{width:20px;height:20px}.home-avatar .icon{width:32px;height:32px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}@keyframes scaleIn{0%{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}@keyframes scaleOut{0%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(.85)}}@keyframes popIn{0%{opacity:0;transform:scale(0)}60%{opacity:1;transform:scale(1.15)}to{opacity:1;transform:scale(1)}}@keyframes slideInRight{0%{opacity:0;transform:translate(80px)}to{opacity:1;transform:translate(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-80px)}to{opacity:1;transform:translate(0)}}@keyframes slideInUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInDown{0%{opacity:0;transform:translateY(-40px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes floatUp{0%{opacity:1;transform:translateY(0) scale(1)}50%{opacity:.8;transform:translateY(-60px) scale(1.2)}to{opacity:0;transform:translateY(-120px) scale(.8)}}@keyframes pulse-glow{0%,to{box-shadow:0 0 10px #bf5af233}50%{box-shadow:0 0 25px #bf5af266,0 0 50px #bf5af233}}@keyframes pulse-glow-pink{0%,to{box-shadow:0 0 10px #ff375f33}50%{box-shadow:0 0 25px #ff375f66,0 0 50px #ff375f33}}@keyframes pulse-glow-cyan{0%,to{box-shadow:0 0 10px #64d2ff33}50%{box-shadow:0 0 25px #64d2ff66,0 0 50px #64d2ff33}}@keyframes text-glow{0%,to{text-shadow:0 0 10px currentColor}50%{text-shadow:0 0 20px currentColor,0 0 40px currentColor}}@keyframes confetti-fall{0%{opacity:1;transform:translateY(-100vh) rotate(0)}to{opacity:0;transform:translateY(100vh) rotate(720deg)}}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-5px)}40%{transform:translate(5px)}60%{transform:translate(-3px)}80%{transform:translate(3px)}}@keyframes xpPopup{0%{opacity:0;transform:translateY(10px) scale(.5)}20%{opacity:1;transform:translateY(-20px) scale(1.1)}80%{opacity:1;transform:translateY(-40px) scale(1)}to{opacity:0;transform:translateY(-60px) scale(.8)}}.xp-popup{position:absolute;font-family:var(--font-display);font-weight:800;font-size:var(--text-xl);color:var(--neon-gold);text-shadow:0 0 10px var(--neon-gold-glow);pointer-events:none;animation:xpPopup 1.5s ease forwards;z-index:var(--z-toast)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes spinSlow{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes bounce{0%,20%,53%,to{transform:translateY(0)}40%{transform:translateY(-12px)}43%{transform:translateY(-12px)}70%{transform:translateY(-6px)}80%{transform:translateY(0)}90%{transform:translateY(-3px)}}@keyframes winLineFlash{0%,to{opacity:.7}50%{opacity:1}}@keyframes ghostPulse{0%,to{opacity:.3}50%{opacity:.6}}.ghost-piece{animation:ghostPulse 1.5s ease-in-out infinite}@keyframes drift{0%{transform:translate(0) rotate(0)}25%{transform:translate(30px,-30px) rotate(90deg)}50%{transform:translate(-20px,-60px) rotate(180deg)}75%{transform:translate(40px,-90px) rotate(270deg)}to{transform:translateY(-120px) rotate(360deg);opacity:0}}.bg-particles{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}.bg-particle{position:absolute;width:3px;height:3px;border-radius:50%;background:var(--neon-purple);opacity:.3;animation:float var(--duration, 8s) var(--delay, 0s) infinite ease-in-out}.bg-particle:nth-child(2n){background:var(--neon-cyan)}.bg-particle:nth-child(3n){background:var(--neon-pink)}.bg-particle:nth-child(4n){background:var(--neon-gold);width:2px;height:2px}.animate-fade-in{animation:fadeIn .4s ease}.animate-slide-up{animation:slideInUp .4s ease}.animate-slide-right{animation:slideInRight .4s ease}.animate-pop{animation:popIn .5s cubic-bezier(.34,1.56,.64,1)}.animate-bounce{animation:bounce 1s ease}.animate-shake{animation:shake .5s ease}.animate-float{animation:float 3s ease-in-out infinite}.animate-pulse{animation:pulse-glow 2s ease-in-out infinite}.animate-spin{animation:spin 1s linear infinite}@media(max-width:480px){.page{padding:var(--space-md);padding-bottom:calc(70px + var(--space-md))}.mode-cards{grid-template-columns:1fr}.game-layout{flex-direction:column;gap:var(--space-md)}.player-panels{flex-direction:row;justify-content:space-between;order:-1}.player-panel{flex:1;padding:var(--space-sm)}.player-avatar{width:36px;height:36px;font-size:1.1rem}.player-name{font-size:var(--text-sm)}.stats-row{gap:var(--space-sm)}.stat-item{min-width:60px;padding:var(--space-sm)}.stat-value{font-size:var(--text-xl)}.modal{padding:var(--space-lg);margin:var(--space-md)}.toast-container{top:var(--space-md);right:var(--space-md);left:var(--space-md)}.toast{max-width:100%}.room-code-char{width:38px;height:46px;font-size:var(--text-xl)}.daily-grid{grid-template-columns:repeat(7,1fr);gap:4px}.daily-item{font-size:var(--text-xs)}.achievement-card{padding:var(--space-sm)}.achievement-icon{width:40px;height:40px;font-size:1.2rem}.emoji-bar{gap:2px}.emoji-btn{width:32px;height:32px;font-size:.9rem}#game-canvas-container{max-width:340px;max-height:340px}}@media(min-width:481px)and (max-width:768px){.mode-cards{grid-template-columns:repeat(3,1fr)}.game-layout{flex-direction:column;gap:var(--space-lg)}.player-panels{flex-direction:row;justify-content:space-between;order:-1}#game-canvas-container{max-width:420px;max-height:420px}}@media(min-width:769px){.mode-cards{grid-template-columns:repeat(3,1fr)}.game-layout{display:flex;align-items:flex-start;justify-content:center;gap:var(--space-2xl)}.game-center{flex:0 0 auto}.player-panels{flex-direction:column;gap:var(--space-lg)}.game-sidebar{width:220px;flex-shrink:0}.bottom-nav{display:none}.desktop-nav{display:flex!important;position:fixed;top:0;left:0;right:0;z-index:var(--z-nav);background:#0a0a1ae6;border-bottom:1px solid var(--glass-border);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));padding:var(--space-sm) var(--space-xl)}.desktop-nav .nav-items{display:flex;align-items:center;gap:var(--space-lg);max-width:1200px;margin:0 auto;width:100%}.desktop-nav .nav-brand{font-family:var(--font-display);font-weight:800;font-size:var(--text-xl);margin-right:auto}.desktop-nav .nav-brand .logo-inf{background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.desktop-nav .nav-item{flex-direction:row;gap:var(--space-xs);font-size:var(--text-sm);padding:var(--space-sm) var(--space-md)}.page{padding-top:calc(60px + var(--space-xl));padding-bottom:var(--space-xl)}.achievements-grid{grid-template-columns:repeat(2,1fr)}.leaderboard-list{max-width:600px;margin:0 auto}.shop-grid{grid-template-columns:repeat(4,1fr)}}@media(min-width:1200px){#game-canvas-container{max-width:500px;max-height:500px}.game-sidebar{width:260px}.achievements-grid{grid-template-columns:repeat(3,1fr)}}@media(max-height:500px)and (orientation:landscape){.page{padding:var(--space-sm);padding-bottom:calc(60px + var(--space-sm))}.game-layout{flex-direction:row;align-items:center;gap:var(--space-md)}#game-canvas-container{max-width:280px;max-height:280px}.player-panels{flex-direction:column;gap:var(--space-sm)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.bg-particles{display:none}}@media(prefers-contrast:high){:root{--glass-border: rgba(255, 255, 255, .3);--text-secondary: rgba(255, 255, 255, .85);--text-tertiary: rgba(255, 255, 255, .7)}}@media(hover:none){.mode-card:hover{transform:none;box-shadow:none}.mode-card:active{transform:scale(.97)}.btn:hover{transform:none}.btn:active{transform:scale(.96)}}@supports (padding: max(0px)){.bottom-nav{padding-left:max(var(--space-sm),env(safe-area-inset-left));padding-right:max(var(--space-sm),env(safe-area-inset-right))}.page{padding-left:max(var(--space-lg),env(safe-area-inset-left));padding-right:max(var(--space-lg),env(safe-area-inset-right))}}