:root{font-family:Onest,Inter,system-ui,sans-serif;color:#03060b;background:#fff;font-synthesis:none;text-rendering:optimizeLegibility;--ink: #ffffff;--night: #06b7f4;--cobalt: #06b7f4;--cyan: #0638d7;--mist: #f4f7fb;--panel: #f7fbff;--panel-2: #edf7ff;--surface: rgba(244, 250, 255, .5);--line: #d7e4f3;--muted: #58697d}:root[data-theme=dark]{color:#f4f7fb;background:#03060b;--ink: #03060b;--night: #001486;--cobalt: #0638d7;--cyan: #06b7f4;--panel: #101722;--panel-2: #151e2b;--surface: radial-gradient( circle at 18% 18%, rgba(31, 135, 255, .1), transparent 42% ), radial-gradient(circle at 84% 86%, rgba(0, 91, 255, .08), transparent 48%), #101722;--line: #263346;--muted: #aeb9c9}:root[data-theme=dark] .screen:before{background:radial-gradient(circle,rgba(6,183,244,.1),transparent 68%)}:root[data-theme=dark] .screen:after{background:radial-gradient(circle,rgba(6,56,215,.08),transparent 68%)}:root[data-theme=dark] .it-banner{background:radial-gradient(circle at 15% 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bottom-nav-label-select{0%{opacity:.45;transform:translateY(2px)}to{opacity:1;transform:translateY(-1px)}}.game-view{height:100dvh;min-height:100vh;padding:calc(6px + env(safe-area-inset-top)) 8px 8px;display:flex;flex-direction:column;align-items:center;background:var(--ink)}.game-header{width:100%;min-height:48px;padding:0 4px;display:grid;grid-template-columns:44px 1fr 44px;align-items:center;gap:8px}.game-header>button{width:40px;height:40px;padding:0;display:grid;place-items:center;border:0;border-radius:0;background:transparent}.game-header strong{text-align:center}.game-header span{color:var(--cyan);text-align:right;font-size:18px;font-weight:700}.game-canvas-wrap{width:100%;flex:1;min-height:0;padding:4px 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;overflow:hidden}.game-canvas-wrap canvas{display:block;max-width:calc(100% - 8px);min-height:0;max-height:100%;flex:0 1 auto;border:1px solid var(--line);border-radius:12px;background:#f4f7fb;touch-action:none}.game-canvas--portrait{width:min(calc(100% - 8px),calc((100dvh - 146px) * 8 / 11));height:auto;aspect-ratio:8 / 11}.game-canvas--runner{width:min(calc(100% - 8px),calc((100dvh - 146px) * 9 / 11));height:auto;aspect-ratio:9 / 11}.game-result{width:min(100%,320px);max-height:min(440px,calc(100vh - 170px));overflow:auto;padding:20px;border:0;border-radius:16px;background:var(--surface);box-shadow:0 14px 30px #001e641a}.game-result h2,.game-result p{margin:0 0 10px}.game-result-note{color:var(--cyan)}.game-result-error{color:#d64545}.leaderboard{margin:16px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}.leaderboard li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid var(--line)}.leaderboard-empty{display:block!important;color:var(--muted)}.game-actions{width:100%;flex:0 0 auto;padding:8px 4px calc(6px + env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.game-actions button{min-height:46px;padding:10px;display:flex;align-items:center;justify-content:center;gap:7px;border:0;border-radius:16px;background:var(--surface);box-shadow:0 4px 10px #001e6412;font-weight:600}.game-actions svg{width:18px}.game-hint{flex:0 0 auto;margin:0;padding:0 12px;color:var(--muted);font-size:12px;text-align:center}.snake-controls{flex:0 0 auto;margin-bottom:12px;display:grid;grid-template-columns:repeat(3,48px);gap:5px}.snake-controls button,.jump-controls button{width:48px;height:42px;padding:0;display:grid;place-items:center;border:0;border-radius:14px;background:var(--surface);box-shadow:0 3px 8px #001e640f}.snake-controls i{display:block}.jump-controls{display:flex;flex:0 0 auto;gap:12px;margin-bottom:12px}.jump-controls button{width:58px}.jump-controls .jump-fire{width:48px;padding:0}:root[data-theme=dark] .game-actions button,:root[data-theme=dark] .snake-controls button,:root[data-theme=dark] .jump-controls button{box-shadow:0 4px 10px #00081c24}@media(min-width:700px){.screen{padding:34px 24px 48px}.quick-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.games-grid,.service-list{grid-template-columns:repeat(2,minmax(0,1fr))}.bottom-nav{left:50%;width:760px;transform:translate(-50%);border-left:1px solid var(--line);border-right:1px solid var(--line)}}@media(max-height:650px){.game-view{padding-top:calc(6px + env(safe-area-inset-top))}.game-canvas-wrap canvas{max-height:calc(100vh - 144px - env(safe-area-inset-top) - env(safe-area-inset-bottom))}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:1ms!important;transition-duration:1ms!important}}:root:not([data-theme=dark]) .lesson-card,:root:not([data-theme=dark]) .quick-grid button,:root:not([data-theme=dark]) .game-preview-row button,:root:not([data-theme=dark]) .compact-empty,:root:not([data-theme=dark]) .game-card,:root:not([data-theme=dark]) .news-card,:root:not([data-theme=dark]) .service-card,:root:not([data-theme=dark]) .empty-state,:root:not([data-theme=dark]) .link-list button{border:1px solid rgba(255,255,255,.86);backdrop-filter:blur(18px) saturate(1.16);-webkit-backdrop-filter:blur(18px) saturate(1.16);box-shadow:0 14px 30px #0638d71c,0 3px 8px #0638d70d}