/* V9.0.2 Clean Runtime: one layout, no overlay shell */
html,body,#root{min-height:100%;width:100%;overflow-x:hidden}
body{margin:0;background:#0b1427}
.app-shell{min-height:100vh!important;height:auto!important;overflow:visible!important}
.topbar{position:sticky!important;top:0!important;z-index:1000!important}
.app-body{min-height:calc(100vh - 64px)!important;overflow:visible!important}
.sidebar{position:sticky!important;top:78px!important;align-self:flex-start!important;max-height:calc(100vh - 92px)!important;overflow-y:auto!important}
.main-content,.page-section,main{min-width:0!important;overflow:visible!important}
/* remove all obsolete injected navigation */
.v58-shell,.v58-mobile-dock,.v58-back,.v90-home-coach,.v90-account-slot,.v90-dock-badge,.v80-banner,.v56-feedback,.v901-debug{display:none!important}
@media(max-width:980px){
 body{padding-bottom:calc(76px + env(safe-area-inset-bottom,0px))!important}
 .topbar{padding-top:env(safe-area-inset-top,0px)!important;min-height:58px!important}
 .app-body{display:block!important;padding:10px 10px calc(90px + env(safe-area-inset-bottom,0px))!important}
 .sidebar{display:none!important}
 .main-content,.page-section,main{width:100%!important;max-width:100%!important;margin:0!important}
 .dashboard-grid,.unit-grid,.skill-unit-grid,.review-grid,.voice-layout,.v38-writing-grid{grid-template-columns:1fr!important}
 [role=dialog],.modal,.settings-modal,.v57-overlay,.v73-overlay,.v74-overlay,.v38-overlay,.v35-overlay{max-width:100vw!important;width:100vw!important;max-height:100dvh!important;height:100dvh!important;inset:0!important;border-radius:0!important;overflow-y:auto!important;overscroll-behavior:contain!important;-webkit-overflow-scrolling:touch!important}
 body:has(.v57-overlay),body:has(.v73-overlay),body:has(.v74-overlay),body:has(.v38-overlay),body:has(.v35-overlay){overflow:hidden!important}
 button{min-height:44px}
 input,textarea,select{font-size:16px!important}
 .vocab-word,.remember-word,.v74-word,[lang=zh],[lang=ja],[lang=ko]{font-family:"Noto Sans CJK SC","Noto Sans CJK JP","Noto Sans CJK KR","Yu Gothic","Malgun Gothic",sans-serif!important}
 .vocab-word,.remember-word,.v74-word{font-size:clamp(40px,13vw,64px)!important;line-height:1.25!important}
}