.app-shell{height:100vh;display:flex;flex-direction:column;background:linear-gradient(180deg,#fff9f0,#f0f4ff,#f0fff4);overflow:hidden}.app-header{position:sticky;top:0;z-index:200;background:#ffffffeb;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(0,0,0,.06);box-shadow:0 2px 12px #0000000a}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;max-width:1200px;margin:0 auto;width:100%}.logo{display:flex;align-items:center;gap:8px;cursor:pointer;transition:opacity .2s}.logo:active{opacity:.7}.logo-icon{font-size:30px}.logo-text{font-size:19px;font-weight:800;background:linear-gradient(135deg,#ff6b9d,#4facfe);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-actions{display:flex;gap:6px}.header-btn{display:flex;flex-direction:column;align-items:center;gap:1px;background:none;border:none;cursor:pointer;padding:5px 10px;border-radius:10px;transition:all 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.15s;text-align:left}.dropdown-item:hover{background:#f8f9ff}.dropdown-icon{font-size:18px;width:24px;text-align:center;flex-shrink:0}.logout-item{color:#e74c3c}.logout-item:hover{background:#fff5f5}.dropdown-enter-active,.dropdown-leave-active{transition:all .2s ease}.dropdown-enter-from,.dropdown-leave-to{opacity:0;transform:translateY(-8px) scale(.96)}@media (min-width: 768px){.header-inner{padding:12px 24px}.logo-icon{font-size:34px}.logo-text{font-size:22px}.app-main{padding:0 24px 24px}.nav-icon{font-size:26px}.nav-label{font-size:12px}.hbtn-icon{font-size:24px}.hbtn-text{font-size:11px}}@media (min-width: 1024px){.header-inner{padding:14px 32px}.app-main{padding:0 32px 32px}}:root{--theme-color: #4facfe;--theme-color-2: #00f2fe;--theme-gradient: linear-gradient(135deg, #4facfe 0%, #7dd3fc 100%);--base-font-size: 16px;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 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appPulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.05);opacity:.9}}@keyframes appFadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes appFadeOut{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-8px)}}.page-enter-active{animation:appFadeIn .25s ease-out}.page-leave-active{animation:appFadeOut .2s ease-in}.overlay-enter-active{animation:appFadeIn .3s ease-out}.overlay-leave-active{animation:appFadeOut .2s ease-in}.list-enter-active{animation:appFadeIn .3s ease-out}.list-leave-active{animation:appFadeOut .2s ease-in}.list-move{transition:transform .3s ease}@media (min-width: 768px){:root{--space-md: 20px;--space-lg: 28px;--space-xl: 40px}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.game-page{padding-bottom:20px}.game-top{display:flex;align-items:center;justify-content:space-between;padding:12px 4px;margin-bottom:12px}.game-title{display:flex;align-items:center;gap:6px;font-size:18px;font-weight:800;color:#333}.game-score{display:flex;align-items:center;gap:4px;background:#fff;padding:6px 14px;border-radius:20px;border:2px solid #f6d36530}.score-star{font-size:18px}.score-num{font-size:18px;font-weight:800;color:#f6d365}.game-progress{display:flex;align-items:center;gap:12px;margin-bottom:16px;padding:0 4px}.progress-track{flex:1;height:8px;background:#f0f0f0;border-radius:4px;overflow:hidden}.progress-fill{height:100%;border-radius:4px;transition:width .4s ease}.progress-text{font-size:13px;font-weight:700;color:#999;white-space:nowrap}.loading-state{text-align:center;padding:60px 20px}.loading-spinner{font-size:56px;margin-bottom:12px;animation:gamePulse 1s ease-in-out infinite}.loading-state p{font-size:16px;color:#999}.finish-screen{text-align:center;padding:32px 20px}.finish-mascot{font-size:80px;margin-bottom:12px;animation:gameBounce .6s ease}.finish-screen h2{font-size:28px;font-weight:800;color:#333;margin-bottom:24px}.finish-stats{display:flex;justify-content:center;gap:24px;margin-bottom:24px}.finish-stat{display:flex;flex-direction:column;align-items:center;gap:4px}.fs-icon{font-size:28px}.fs-value{font-size:28px;font-weight:800;color:#333}.fs-label{font-size:12px;color:#999}.finish-stars{margin-bottom:28px}.star-animated{font-size:40px;display:inline-block;animation:gameStarPop .5s ease both;animation-delay:var(--delay)}.finish-actions{display:flex;justify-content:center;gap:12px}.question-area{padding:0 4px}.options-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:20px}.option-btn{padding:20px;border:3px solid 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ease-in}.ai-overlay-enter-active .game-ai-panel{animation:gamePanelSlideIn .3s ease-out}.ai-overlay-leave-active .game-ai-panel{animation:gamePanelSlideOut .2s ease-in}@keyframes gameOverlayIn{0%{opacity:0}to{opacity:1}}@keyframes gameOverlayOut{0%{opacity:1}to{opacity:0}}@keyframes gamePanelSlideIn{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes gamePanelSlideOut{0%{transform:translateY(0)}to{transform:translateY(100%)}}@keyframes gameBounce{0%,to{transform:scale(1)}50%{transform:scale(1.3)}}@keyframes gamePulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.1);opacity:.8}}@keyframes gameStarPop{0%{transform:scale(0) rotate(0)}50%{transform:scale(1.3) rotate(180deg)}to{transform:scale(1) rotate(360deg)}}@keyframes gameDots{0%{content:""}33%{content:"."}66%{content:".."}to{content:"..."}}.loading-dots:after{content:"";animation:gameDots 1.5s steps(3,end) infinite}@media (min-width: 768px){.game-top{padding:16px 8px}.game-title{font-size:22px}.options-grid{gap:16px}.option-btn{padding:24px;font-size:28px}.finish-screen{padding:40px 20px}.finish-mascot{font-size:96px}.finish-screen h2{font-size:32px}.game-ai-panel{border-radius:24px;margin:20px;max-width:500px}.game-ai-overlay{align-items:center}}@media (min-width: 1024px){.options-grid{grid-template-columns:repeat(4,1fr)}}