:root{--bg-primary: #FEF0E4;--bg-secondary: #F5E6D3;--bg-card: #FFFFFF;--bg-game: #FEF0E4;--color-primary: #8B5E83;--color-primary-light: #B88EB0;--color-primary-dark: #6B4566;--color-accent: #E8A065;--color-accent-light: #F2C99B;--color-success: #5CB85C;--color-warning: #F5A623;--color-danger: #E85D5D;--text-primary: #3D2B35;--text-secondary: #7A6570;--text-muted: #A89098;--text-on-primary: #FFFFFF;--diff-easy: #5CB85C;--diff-medium: #F5A623;--diff-hard: #E85D5D;--diff-extra: #6B4566;--shadow-sm: 0 2px 6px rgba(60,30,50,.06), 0 1px 2px rgba(60,30,50,.04);--shadow-md: 0 4px 14px rgba(60,30,50,.08), 0 2px 4px rgba(60,30,50,.04);--shadow-lg: 0 10px 28px rgba(60,30,50,.1), 0 4px 8px rgba(60,30,50,.06);--radius-sm: 10px;--radius-md: 14px;--radius-lg: 18px;--radius-xl: 26px;--font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-display: "Inter", system-ui, -apple-system, sans-serif;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s cubic-bezier(.4, 0, .2, 1);--game-block-drop: #5B8EC9;--game-bubble-pop: #E86B9A;--game-gem-swap: #9B6BC9;--game-2048: #E8A065;--game-snake: #5CB85C;--game-minesweeper: #7A8B9A;--game-memory: #E8884D;--game-sudoku: #5BA0C9;--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;-webkit-tap-highlight-color:transparent}html,body{width:100%;height:100%;overflow:hidden;font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;touch-action:manipulation;user-select:none;-webkit-user-select:none}#app{width:100%;height:100%;display:flex;flex-direction:column;padding-top:var(--safe-top);padding-bottom:var(--safe-bottom);padding-left:var(--safe-left);padding-right:var(--safe-right)}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:2px}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes popIn{0%{transform:scale(.8);opacity:0}60%{transform:scale(1.05)}to{transform:scale(1);opacity:1}}@keyframes bounceIn{0%{transform:scale(0)}50%{transform:scale(1.1)}70%{transform:scale(.95)}to{transform:scale(1)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.fade-in{animation:fadeIn var(--transition-slow) forwards}.scale-in{animation:scaleIn var(--transition-normal) forwards}.pop-in{animation:popIn .4s cubic-bezier(.34,1.56,.64,1) forwards}.header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--bg-primary);z-index:10;min-height:50px}.header-title{font-size:22px;font-weight:800;color:var(--color-primary);letter-spacing:-.5px;text-transform:uppercase;font-family:var(--font-display)}.header-back{width:38px;height:38px;border:none;background:var(--color-primary);border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform var(--transition-fast);color:var(--text-on-primary);font-size:18px;font-weight:700}.header-back:active{transform:scale(.9)}.header-actions{display:flex;gap:8px}.content{flex:1;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch}.home{padding:12px 16px 24px;max-width:600px;margin:0 auto;width:100%}.home-hero{text-align:center;padding:10px 0 16px}.home-hero h1{font-size:30px;font-weight:900;color:var(--color-primary);letter-spacing:-.5px;text-transform:uppercase}.home-hero p{font-size:13px;color:var(--text-secondary);margin-top:2px;font-weight:500}.games-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;padding-bottom:24px}.game-card{background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);cursor:pointer;transition:transform var(--transition-fast),box-shadow var(--transition-fast);position:relative}.game-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.game-card:active{transform:scale(.96)}.game-card-thumb{width:100%;aspect-ratio:4 / 3;display:flex;align-items:center;justify-content:center;font-size:42px;position:relative;overflow:hidden}.game-card-info{padding:10px 12px}.game-card-name{font-size:14px;font-weight:700;color:var(--text-primary);letter-spacing:-.2px}.game-card-desc{font-size:11px;color:var(--text-secondary);line-height:1.3;margin-top:2px}.game-card-best{font-size:10px;color:var(--text-muted);font-weight:600;margin-top:4px}.game-card-fav{position:absolute;top:8px;right:8px;width:28px;height:28px;border:none;background:#fffc;border-radius:50%;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;z-index:2;transition:transform var(--transition-fast);backdrop-filter:blur(4px)}.game-card-fav:active{transform:scale(.85)}.game-card-fav.active{background:#fff3c4}.diff-screen{display:flex;flex-direction:column;height:100%;background:var(--bg-primary);position:relative;overflow:hidden}.diff-top{padding:0 16px 8px;text-align:center}.diff-top h2{font-size:22px;font-weight:800;color:var(--text-primary);text-transform:uppercase;letter-spacing:-.3px}.diff-top p{font-size:13px;color:var(--text-secondary);margin-top:4px;line-height:1.4;max-width:300px;margin-left:auto;margin-right:auto}.diff-body{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:0 32px}.diff-face{width:100px;height:100px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .4s cubic-bezier(.34,1.56,.64,1);animation:float 3s ease-in-out infinite;position:relative}.diff-face canvas{width:100px;height:100px}.diff-label{font-size:28px;font-weight:900;text-transform:uppercase;letter-spacing:-.5px;transition:color .3s ease}.diff-slider-wrap{width:100%;max-width:280px;position:relative;height:40px;display:flex;align-items:center}.diff-slider-track{width:100%;height:12px;border-radius:6px;position:relative;overflow:hidden}.diff-slider-track-bg{position:absolute;inset:0;border-radius:6px}.diff-slider-fill{height:100%;border-radius:6px;transition:width .3s ease}.diff-slider{position:absolute;width:100%;height:40px;-webkit-appearance:none;appearance:none;background:transparent;cursor:pointer;margin:0;z-index:2}.diff-slider::-webkit-slider-thumb{-webkit-appearance:none;width:28px;height:28px;border-radius:50%;border:3px solid white;box-shadow:0 2px 8px #00000026;cursor:pointer;transition:transform .15s ease}.diff-slider::-webkit-slider-thumb:active{transform:scale(1.15)}.diff-slider::-moz-range-thumb{width:28px;height:28px;border-radius:50%;border:3px solid white;box-shadow:0 2px 8px #00000026;cursor:pointer}.diff-actions{display:flex;gap:12px;padding:20px 32px 32px;width:100%;max-width:360px;margin:0 auto}.diff-play-btn{flex:1;padding:16px 24px;border:none;border-radius:var(--radius-md);font-size:20px;font-weight:800;color:#fff;cursor:pointer;text-transform:uppercase;letter-spacing:.5px;transition:transform var(--transition-fast),opacity var(--transition-fast);box-shadow:0 4px 12px #00000026;font-family:var(--font-display)}.diff-play-btn:active{transform:scale(.95)}.diff-play-btn span{display:block;font-size:11px;font-weight:600;opacity:.8;margin-top:2px;letter-spacing:0;text-transform:none}.diff-help-btn{width:56px;height:56px;border:none;border-radius:var(--radius-md);font-size:24px;font-weight:800;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform var(--transition-fast);box-shadow:0 4px 12px #0000001a;font-family:var(--font-display);align-self:stretch}.diff-help-btn:active{transform:scale(.9)}.game-screen{display:flex;flex-direction:column;height:100%;background:var(--bg-game);position:relative}.game-container{flex:1;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.game-container canvas{display:block}.game-hud-overlay{position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:flex-start;padding:8px 12px;pointer-events:none;z-index:10}.game-hud-overlay>*{pointer-events:auto}.hud-btn{width:36px;height:36px;border:none;border-radius:50%;background:#ffffffd9;backdrop-filter:blur(6px);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--text-primary);box-shadow:var(--shadow-sm);transition:transform var(--transition-fast)}.hud-btn:active{transform:scale(.88)}.hud-score-pill{background:#ffffffd9;backdrop-filter:blur(6px);border-radius:20px;padding:6px 16px;display:flex;gap:16px;box-shadow:var(--shadow-sm)}.hud-stat{text-align:center}.hud-stat-label{font-size:9px;text-transform:uppercase;color:var(--text-muted);font-weight:700;letter-spacing:.5px}.hud-stat-value{font-size:16px;font-weight:800;color:var(--text-primary);font-variant-numeric:tabular-nums}.game-over{position:absolute;inset:0;background:#fef0e4f0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;animation:fadeIn var(--transition-normal) forwards;z-index:20;backdrop-filter:blur(6px)}.game-over h2{font-size:30px;font-weight:900;color:var(--color-primary);text-transform:uppercase}.game-over .final-score{font-size:52px;font-weight:900;color:var(--text-primary)}.game-over .best-label{font-size:13px;color:var(--text-secondary);font-weight:500}.game-over.win{background:#fff5dcf5}.game-over.win h2{background:linear-gradient(135deg,#f0b868,#e89040,#e06040);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-size:38px}.game-over.win .final-score{color:#e06040}.diff-startover-link{display:block;margin:12px auto 0;background:none;border:none;color:var(--text-secondary);font-family:var(--font-family);font-size:12px;font-weight:500;text-decoration:underline;cursor:pointer;padding:8px}.diff-startover-link:hover{color:var(--color-primary)}.btn{border:none;border-radius:var(--radius-md);padding:14px 32px;font-size:16px;font-weight:700;cursor:pointer;transition:transform var(--transition-fast),opacity var(--transition-fast);font-family:var(--font-family);text-transform:uppercase;letter-spacing:.3px}.btn:active{transform:scale(.95)}.btn-primary{background:var(--color-primary);color:var(--text-on-primary);box-shadow:0 4px 12px #8b5e834d}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary)}.btn-group{display:flex;gap:10px}.settings-screen{display:flex;flex-direction:column;height:100%;background:var(--bg-primary)}.settings-panel{padding:16px 20px;max-width:600px;margin:0 auto;width:100%}.settings-group{background:var(--bg-card);border-radius:var(--radius-lg);padding:4px 0;margin-bottom:16px;box-shadow:var(--shadow-sm)}.settings-group-title{font-size:12px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;padding:12px 16px 4px}.settings-item{display:flex;justify-content:space-between;align-items:center;padding:14px 16px}.settings-item+.settings-item{border-top:1px solid var(--bg-secondary)}.settings-label{font-size:15px;font-weight:600;color:var(--text-primary)}.toggle{width:48px;height:28px;background:#c0b0b8;border-radius:14px;position:relative;cursor:pointer;transition:background var(--transition-fast);border:none}.toggle.active{background:var(--color-primary)}.toggle:after{content:"";position:absolute;width:22px;height:22px;background:#fff;border-radius:50%;top:3px;left:3px;transition:transform var(--transition-fast);box-shadow:var(--shadow-sm)}.toggle.active:after{transform:translate(20px)}.settings-slider{-webkit-appearance:none;appearance:none;width:140px;height:8px;border-radius:4px;background:linear-gradient(to right,var(--color-primary-light),var(--color-primary));outline:none}.settings-slider::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--color-primary);border:3px solid white;box-shadow:0 2px 6px #00000026;cursor:pointer}.fps-display{width:80px;height:80px;border-radius:var(--radius-md);background:var(--bg-secondary);display:flex;flex-direction:column;align-items:center;justify-content:center;margin:8px auto;position:relative;overflow:hidden}.fps-number{font-size:28px;font-weight:900;color:var(--color-danger)}.fps-label{font-size:11px;font-weight:700;color:var(--text-secondary);text-transform:uppercase}.fps-spinner{position:absolute;bottom:4px;right:4px;width:20px;height:20px}.game-settings-overlay{position:fixed;inset:0;background:#00000080;z-index:100;display:flex;align-items:flex-start;justify-content:center;padding-top:80px;animation:fadeIn .2s ease forwards}.game-settings-card{background:var(--bg-card);border-radius:var(--radius-xl);padding:24px;width:90%;max-width:340px;box-shadow:var(--shadow-lg);animation:popIn .3s cubic-bezier(.34,1.56,.64,1) forwards}.game-settings-card h3{font-size:18px;font-weight:800;color:var(--text-primary);text-transform:uppercase;text-align:center;margin-bottom:16px}.scores-panel{padding:16px 20px;max-width:600px;margin:0 auto;width:100%}.scores-tabs{display:flex;gap:4px;background:var(--bg-secondary);border-radius:var(--radius-sm);padding:3px;margin-bottom:16px}.scores-tab{flex:1;border:none;background:transparent;padding:8px;border-radius:8px;font-size:13px;font-weight:700;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);font-family:var(--font-family)}.scores-tab.active{background:var(--bg-card);color:var(--text-primary);box-shadow:var(--shadow-sm)}.score-row{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--bg-card);border-radius:var(--radius-sm);margin-bottom:8px;box-shadow:var(--shadow-sm)}.score-rank{font-size:14px;font-weight:800;color:var(--text-muted);min-width:28px}.score-info{flex:1;margin-left:12px}.score-value{font-size:16px;font-weight:800;color:var(--text-primary);font-variant-numeric:tabular-nums}.score-date{font-size:11px;color:var(--text-muted)}.empty-state{text-align:center;padding:40px 20px;color:var(--text-muted)}.empty-state-icon{font-size:40px;margin-bottom:12px;opacity:.5}.hills-bg{position:absolute;bottom:0;left:0;right:0;height:100px;pointer-events:none;overflow:hidden;opacity:.3}.hills-bg:before,.hills-bg:after{content:"";position:absolute;bottom:-20px;width:200%;height:80px;border-radius:50% 50% 0 0}.hills-bg:before{left:-50%;background:var(--color-accent-light)}.hills-bg:after{left:-30%;bottom:-30px;background:var(--bg-secondary)}.loading-spinner{width:32px;height:32px;border:3px solid var(--bg-secondary, #F5E6D3);border-top-color:var(--color-primary, #8B5E83);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.game-loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:var(--bg-primary);z-index:15}.game-loading .loading-spinner{width:40px;height:40px}.game-error{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:var(--bg-primary);z-index:15;padding:32px;text-align:center}.game-error-icon{font-size:48px;opacity:.5}.game-error p{color:var(--text-secondary);font-size:14px;line-height:1.5}.landscape-hint{display:none;position:fixed;bottom:16px;left:50%;transform:translate(-50%);background:#3d2b35d9;color:#fff;padding:8px 20px;border-radius:20px;font-size:12px;font-weight:600;z-index:50;backdrop-filter:blur(6px);animation:fadeIn .3s ease;pointer-events:none}@media(max-width:360px){.games-grid{gap:8px}.game-card-thumb{font-size:36px}.game-card-info{padding:8px 10px}}@media(min-width:768px){.games-grid{grid-template-columns:repeat(3,1fr)}}@media(min-width:1024px){.games-grid{grid-template-columns:repeat(4,1fr)}.home{max-width:800px}}@media(max-height:480px)and (orientation:landscape){.header{min-height:40px;padding:6px 12px}.header-title{font-size:18px}.home-hero{padding:4px 0 8px}.home-hero h1{font-size:22px}.home-hero p{display:none}.games-grid{grid-template-columns:repeat(4,1fr);gap:8px}.game-card-thumb{aspect-ratio:1}.diff-body{gap:8px;padding:0 24px}.diff-face{width:64px;height:64px}.diff-face canvas{width:64px;height:64px}.diff-label{font-size:20px}.diff-actions{padding:8px 24px 16px}.game-hud-overlay{padding:4px 8px}.hud-btn{width:30px;height:30px;font-size:13px}.hud-score-pill{padding:4px 12px}}