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#9ca3af);text-transform:uppercase;letter-spacing:.04em;font-weight:600;margin:0;padding:.5rem 1.5rem .25rem}.menu-stat-item{display:flex;flex-direction:row;align-items:center;justify-content:space-between;padding:.75rem 1.5rem;width:100%;border-bottom:1px solid var(--border-color, #e5e7eb);gap:1rem}.menu-stat-item:last-child{border-bottom:none}.stat-left{display:flex;align-items:center;gap:.75rem}.stat-icon{font-size:1.25rem;width:24px;text-align:center}.stat-icon-img{width:24px;height:24px;object-fit:contain}.stat-value{font-weight:800;font-size:1rem;color:var(--text-primary, #1f2933)}.stat-label{font-size:.9rem;color:var(--text-secondary, #4b5563);font-weight:600;text-transform:none;letter-spacing:normal}.stat-values{display:flex;align-items:center;gap:.5rem}.stat-separator{color:var(--text-tertiary, #9ca3af);font-size:.75rem}.stat-percent{font-weight:700;font-size:.85rem;color:var(--accent-color, #3b82f6)}.stat-crown{font-size:.7rem;font-weight:700;padding:.15rem .4rem;border-radius:99px;margin-left:auto}.stat-crown.rank-1{background:linear-gradient(135deg,gold,orange);color:#1a1a2e;box-shadow:0 2px 6px #ffd70066}.stat-crown.rank-2{background:linear-gradient(135deg,silver,#a8a8a8);color:#1a1a2e;box-shadow:0 2px 6px #c0c0c066}.stat-crown.rank-3{background:linear-gradient(135deg,#cd7f32,#8b4513);color:#fff;box-shadow:0 2px 6px #cd7f3266}.user-menu-grid{padding:1rem;display:grid;grid-template-columns:1fr;gap:.5rem}.user-menu-button{display:flex;align-items:center;gap:.75rem;width:100%;padding:.75rem 1rem;background:var(--bg-surface-secondary, #f8fafc);border:1px solid var(--border-color, #e5e7eb);border-radius:12px;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);position:relative;text-align:left}.user-menu-button:hover{background:var(--bg-hover, #f1f5f9);border-color:var(--border-hover, #cbd5e1);transform:translateY(-1px);box-shadow:0 2px 4px #0000000d}.user-menu-button:active{transform:translateY(0)}.menu-btn-icon{font-size:1.25rem;width:24px;text-align:center}.menu-btn-content{flex:1;display:flex;flex-direction:column}.menu-btn-title{font-size:.9rem;font-weight:600;color:var(--text-primary, #374151)}.menu-btn-desc{font-size:.75rem;color:var(--text-secondary, #6b7280)}.menu-grid-badge{background:#ef4444;color:#fff;font-size:.7rem;font-weight:700;padding:.15rem .5rem;border-radius:99px;box-shadow:0 2px 4px #ef44444d}.user-menu-footer{padding:.5rem 1rem 1rem;border-top:1px solid var(--border-color, #f3f4f6)}.logout-btn{width:100%;padding:.75rem;background:transparent;border:1px dashed #fca5a5;color:#ef4444;border-radius:12px;font-weight:600;font-size:.9rem;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:.5rem}.logout-btn:hover{background:#fef2f2;border-color:#ef4444}body.dark-mode .user-menu-avatar-large,body.dark-mode .user-menu-avatar-fallback-large{border-color:#1f2937}.menu-icon-with-badge{position:relative;display:inline-flex;align-items:center;justify-content:center}.menu-icon-badge{position:absolute;top:-4px;right:-8px;min-width:14px;height:14px;padding:0 3px;background:#ef4444;color:#fff;font-size:.55rem;font-weight:700;border-radius:99px;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 3px #ef444466;animation:badge-pulse 2s ease-in-out infinite}@keyframes badge-pulse{0%,to{box-shadow:0 1px 3px #ef444466}50%{box-shadow:0 1px 6px #ef4444b3}}.puzzle-loading{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 120px);padding:2rem;position:relative;overflow:hidden}.puzzle-loading.mode-classic{background:linear-gradient(135deg,#ef444414,#fb923c0d,#facc1508)}.puzzle-loading.mode-flip{background:linear-gradient(135deg,#6366f114,#8b5cf60d,#10b98108)}.puzzle-loading.mode-bridge{background:linear-gradient(135deg,#3b82f614,#8b5cf60f,#ef44440a)}.puzzle-loading-content{display:flex;flex-direction:column;align-items:center;gap:1.5rem;text-align:center;z-index:1}.puzzle-loading-icon{display:flex;align-items:center;justify-content:center}.puzzle-loading-icon-img{width:64px;height:64px;object-fit:contain;animation:iconPulse 2s ease-in-out infinite}@keyframes iconPulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.08);opacity:.9}}.mode-classic .puzzle-loading-icon-img{filter:drop-shadow(0 4px 12px rgba(239,68,68,.25)) drop-shadow(0 2px 4px rgba(0,0,0,.1))}.mode-flip .puzzle-loading-icon-img{filter:drop-shadow(0 4px 12px rgba(99,102,241,.25)) drop-shadow(0 2px 4px rgba(0,0,0,.1))}.mode-bridge .puzzle-loading-icon-img{filter:drop-shadow(0 4px 12px rgba(139,92,246,.25)) drop-shadow(0 2px 4px rgba(0,0,0,.1))}.puzzle-loading-spinner{position:relative;width:60px;height:60px}.spinner-ring{position:absolute;inset:0;border-radius:50%;border:3px solid transparent;animation:spin 1.2s cubic-bezier(.5,0,.5,1) infinite}.mode-classic .spinner-ring{border-top-color:#ef4444;border-right-color:#fb923c4d}.mode-flip .spinner-ring{border-top-color:#6366f1;border-right-color:#8b5cf64d}.mode-bridge .spinner-ring{border-top-color:#3b82f6;border-right-color:#8b5cf64d}.spinner-ring.delay-1{inset:6px;animation-delay:-.15s;animation-duration:1s}.mode-classic .spinner-ring.delay-1{border-top-color:#fb923c;border-right-color:#facc154d}.mode-flip .spinner-ring.delay-1{border-top-color:#8b5cf6;border-right-color:#10b9814d}.mode-bridge .spinner-ring.delay-1{border-top-color:#8b5cf6;border-right-color:#ef44444d}.spinner-ring.delay-2{inset:12px;animation-delay:-.3s;animation-duration:.8s}.mode-classic .spinner-ring.delay-2{border-top-color:#fbbf24;border-right-color:#ef444433}.mode-flip .spinner-ring.delay-2{border-top-color:#10b981;border-right-color:#6366f133}.mode-bridge .spinner-ring.delay-2{border-top-color:#ef4444;border-right-color:#3b82f633}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.puzzle-loading-message{font-size:1.1rem;font-weight:600;color:var(--text-primary);margin:0;letter-spacing:.01em}.puzzle-loading-hint{font-size:.85rem;color:var(--text-tertiary);margin:0;max-width:200px}.dark-mode .puzzle-loading.mode-classic{background:linear-gradient(135deg,#ef44441f,#fb923c14,#facc150a)}.dark-mode .puzzle-loading.mode-flip{background:linear-gradient(135deg,#6366f11f,#8b5cf614,#10b9810a)}.dark-mode .puzzle-loading.mode-bridge{background:linear-gradient(135deg,#3b82f61f,#8b5cf61a,#ef44440f)}.puzzle-loading:before,.puzzle-loading:after{content:"";position:absolute;border-radius:50%;opacity:.4;pointer-events:none}.puzzle-loading:before{width:300px;height:300px;top:-100px;right:-100px;background:radial-gradient(circle,currentColor 0%,transparent 70%)}.puzzle-loading:after{width:200px;height:200px;bottom:-50px;left:-50px;background:radial-gradient(circle,currentColor 0%,transparent 70%)}.mode-classic:before,.mode-classic:after{color:#ef444414}.mode-flip:before,.mode-flip:after{color:#6366f114}.mode-bridge:before,.mode-bridge:after{color:#8b5cf614}@media(max-width:480px){.puzzle-loading{min-height:calc(100vh - 100px);padding:1.5rem}.puzzle-loading-icon-img{width:52px;height:52px}.puzzle-loading-spinner{width:50px;height:50px}.puzzle-loading-message{font-size:1rem}.puzzle-loading:before{width:200px;height:200px;top:-80px;right:-80px}.puzzle-loading:after{width:150px;height:150px;bottom:-40px;left:-40px}}@media(prefers-reduced-motion:reduce){.spinner-ring{animation:none;border-color:var(--accent-color);border-top-color:transparent}.puzzle-loading-icon-img{animation:none!important}}:root{--app-font-sans: "Rubik", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;font-family:var(--app-font-sans);--bg-body-start: #f8fafc;--bg-body-end: #f1f5f9;--bg-surface: #ffffff;--bg-surface-secondary: #f8fafc;--bg-surface-tertiary: #f1f5f9;--text-primary: #0f172a;--text-secondary: #475569;--text-tertiary: #94a3b8;--border-color: #e2e8f0;--border-color-light: #f1f5f9;--primary-color: #0f172a;--primary-text-inverse: #f8fafc;--accent-color: #3b82f6;--shadow-color: rgba(15, 23, 42, .08);--input-bg: #ffffff;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--transition-fast: .15s ease;--transition-normal: .3s ease;--bg-accent-subtle: #dbeafe;--bg-success-subtle: #ecfdf5;--success-color: #10b981}body.dark-mode{--bg-body-start: #0f172a;--bg-body-end: #1e293b;--bg-surface: #1e293b;--bg-surface-secondary: #0f172a;--bg-surface-tertiary: #1e293b;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-tertiary: #94a3b8;--border-color: #334155;--border-color-light: #1e293b;--primary-color: #f8fafc;--primary-text-inverse: #0f172a;--accent-color: #60a5fa;--shadow-color: rgba(0, 0, 0, .3);--bg-accent-subtle: #1e3a8a;--bg-success-subtle: #064e3b;--success-color: #34d399;--input-bg: #1e293b}*{box-sizing:border-box;margin:0;padding:0}html{height:100%;overflow:hidden}body{height:100%;margin:0;overflow:hidden;background:linear-gradient(135deg,var(--bg-body-start) 0%,var(--bg-body-end) 100%);color:var(--text-primary);font-family:var(--app-font-sans);font-size:100%;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{height:100%;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch}body:before{content:"";position:fixed;top:0;left:0;right:0;height:env(safe-area-inset-top,0px);background:#0f172a;z-index:9999;pointer-events:none}body:after{content:"";position:fixed;bottom:0;left:0;right:0;height:env(safe-area-inset-bottom,0px);background:#0f172a;z-index:9999;pointer-events:none}body.keyboard-visible:after{display:none}.app{min-height:100%;display:flex;flex-direction:column;position:relative}.app-main{flex:1;padding:var(--spacing-lg);padding-top:calc(62px + env(safe-area-inset-top,0px));padding-bottom:100px;max-width:600px;margin:0 auto;width:100%}.app-main.mode-flip{max-width:640px}@media(max-width:640px){.app-main.mode-flip{padding-left:var(--spacing-xs);padding-right:var(--spacing-xs)}}.app-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:var(--spacing-lg);color:var(--text-secondary);font-family:var(--app-font-sans)}.app-loading-spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top-color:var(--accent-color);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.coming-soon{display:flex;align-items:center;justify-content:center;min-height:300px;font-size:1.25rem;color:var(--text-tertiary);background:var(--bg-surface);border-radius:var(--radius-xl);border:2px dashed var(--border-color)}:focus-visible{outline:2px solid var(--accent-color);outline-offset:2px}button{font-family:inherit;cursor:pointer}a{color:var(--accent-color);text-decoration:none}a:hover{text-decoration:underline}.game-loading-fallback{display:flex;align-items:center;justify-content:center;min-height:50vh}.game-loading-fallback .loading-spinner{width:36px;height:36px;border:3px solid var(--border-color);border-top-color:var(--accent-color);border-radius:50%;animation:spin .8s linear infinite}