.AppHeader_header__HsCec{position:fixed;top:0;left:0;width:100%;z-index:1000;border-radius:0!important;border-bottom:1px solid var(--border);background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));transition:all .3s ease;padding-top:env(safe-area-inset-top,0);padding-bottom:0}@media (max-width:768px){.AppHeader_header__HsCec{background:#ffffff!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important}}.AppHeader_inner__IufcW{display:flex;align-items:center;justify-content:space-between;height:72px}.AppHeader_searchContainer__racK3{flex:1;max-width:800px;margin:0 8px;position:relative;display:flex;align-items:center}@media (max-width:640px){.AppHeader_searchContainer__racK3{margin:0 8px;min-width:0;flex:1}}.AppHeader_searchInput__MOXnN{width:100%;padding:10px 16px 10px 48px;border-radius:100px;border:1px solid var(--border);background:hsl(var(--muted)/.5);font-size:15px;transition:all .2s cubic-bezier(.16,1,.3,1);color:hsl(var(--foreground))}.AppHeader_searchInput__MOXnN:focus{outline:none;background:white;border-color:hsl(var(--primary));box-shadow:0 0 0 4px hsl(var(--primary)/.1)}@media (max-width:640px){.AppHeader_searchInput__MOXnN{padding-left:36px;font-size:14px}.AppHeader_searchIcon__SjcqT{left:10px}}.AppHeader_suggestionsDropdown__OoFHB{position:absolute;top:100%;left:0;right:0;margin-top:8px;min-width:260px;background:white;border-radius:16px;box-shadow:var(--shadow-lg);border:1px solid var(--border);padding:8px;z-index:100;animation:AppHeader_slideInUp__LfiMa .2s ease-out}.AppHeader_suggestionItem__pezJe{display:flex;align-items:center;gap:12px;width:100%;padding:10px 16px;border:none;background:transparent;text-align:left;font-size:.875rem;color:hsl(var(--foreground));border-radius:8px;cursor:pointer;transition:background 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(max-width:1023px){.AppHeader_learningStatus__3ATrH{display:none}}.AppHeader_langTriggerBadge__a3Fmd:hover{transform:translateY(-1px);opacity:.8;box-shadow:none}.AppHeader_logoIcon__SNnqP{display:block;flex-shrink:0;width:42px;height:42px;margin-right:8px}.AppHeader_logo__m9ayc:hover{opacity:.8}.AppHeader_nav__QwRVO{display:none}.AppHeader_navLink__RoJt3{margin:0 12px;color:hsl(var(--foreground));text-decoration:none;font-size:15px;font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;padding:8px 0}.AppHeader_navLink__RoJt3:hover{color:hsl(var(--primary))}.AppHeader_navLink__RoJt3:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--grad-primary);transition:width .3s ease;border-radius:10px}.AppHeader_navLink__RoJt3:hover:after{width:100%}.AppHeader_notificationDot__F9KNZ{top:4px;right:-8px;background-color:hsl(var(--destructive));box-shadow:0 0 0 2px hsl(var(--background))}.child-mode .AppHeader_navLink__RoJt3,.child-mode 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rgba(239,68,68,0)}}.AppHeader_notificationWrapper__0N9Fq{position:absolute;top:2px;right:-12px;width:16px;height:16px;cursor:pointer;z-index:20}.AppHeader_mobileNotificationWrapper__7St9p{position:absolute;top:14px;right:2px;width:16px;height:16px;cursor:pointer;z-index:20}.AppHeader_dotTooltip__RrScg{position:absolute;top:100%;right:0;margin-top:8px;background-color:#1f2937;color:white;padding:6px 12px;border-radius:6px;font-size:.75rem;white-space:nowrap;font-weight:500;box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);pointer-events:none}.AppHeader_actions___HHP7{display:flex;align-items:center;gap:16px}@media (max-width:640px){.AppHeader_actions___HHP7{gap:8px}}.AppHeader_langMenu__zTbrL{position:relative}.AppHeader_langTrigger__3ylh_{display:flex;align-items:center;gap:4px;background:transparent;border:1px solid transparent;padding:4px 6px;border-radius:0;cursor:pointer;transition:all .2s}.AppHeader_langTrigger__3ylh_:hover{background:hsl(var(--muted)/.5);border-color:var(--border)}.AppHeader_userMenu__m4Paz{position:relative}.AppHeader_userTrigger__9W9s5{display:flex;align-items:center;gap:10px;background:hsl(var(--muted)/.5);border:1px solid var(--border);cursor:pointer;padding:5px 6px;border-radius:100px;transition:all .2s}@media (min-width:1024px){.AppHeader_userTrigger__9W9s5{padding:5px 12px 5px 6px}}.AppHeader_userTrigger__9W9s5:hover{background:white;border-color:hsl(var(--primary)/.3);box-shadow:var(--shadow-sm)}.AppHeader_avatar__lC3YE{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,hsl(var(--primary)/.15),hsl(var(--primary)/.05));color:hsl(var(--primary));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;box-shadow:var(--shadow-vibrant)}.AppHeader_userName__1e_n_{font-size:.8125rem;font-weight:700;color:hsl(var(--foreground));display:none}@media (min-width:768px){.AppHeader_userName__1e_n_{display:block}}.AppHeader_userChevron__vLNBU{font-size:.6rem;color:hsl(var(--muted-foreground));transition:transform .3s cubic-bezier(.34,1.56,.64,1);opacity:.6}.AppHeader_open__XUymT .AppHeader_userChevron__vLNBU{transform:rotate(180deg)}.AppHeader_dropdown__qr_Ex{position:absolute;top:100%;right:0;margin-top:12px;width:220px;background:white!important;padding:8px;display:flex;flex-direction:column;gap:4px;animation:AppHeader_slideInUp__LfiMa .3s cubic-bezier(.16,1,.3,1);overflow:hidden;border-radius:16px}.AppHeader_menuItem__NJk9p{display:flex;align-items:center;padding:12px 14px;border-radius:10px;text-decoration:none;color:hsl(var(--foreground));font-size:.875rem;font-weight:600;transition:all 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6px;border-radius:4px;font-weight:600}.AppHeader_userInfoLang__rIyGj{font-size:.75rem;color:hsl(var(--muted-foreground));display:flex;align-items:center;gap:4px}.AppHeader_desktopNav__e52tD{display:none}.AppHeader_hamburger__yVu9V{display:block;background:none;border:none;font-size:1.5rem;cursor:pointer;color:hsl(var(--foreground));padding:8px}.AppHeader_mobileMenu__hfRWs{position:absolute;top:100%;left:0;width:100%;background:white;border-bottom:1px solid var(--border);padding:16px 16px calc(32px + env(safe-area-inset-bottom, 0px));display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow-md);animation:AppHeader_slideDown__1uC5X .3s ease;box-sizing:border-box}.AppHeader_mobileSearchContainer__ejbVa{display:flex;align-items:center;position:relative;margin-bottom:16px;width:100%}.AppHeader_mobileSearchInput__5_UO9{width:100%;box-sizing:border-box;padding:12px 16px 12px 40px;border-radius:100px;border:1px solid var(--border);background:hsl(var(--muted)/.5);font-size:1rem}.AppHeader_mobileSearchInput__5_UO9:focus{outline:none;border-color:hsl(var(--primary));background:white}.AppHeader_desktopSearch__4Abty{display:flex}@media (max-width:1023px){.AppHeader_desktopSearch__4Abty{display:none}}.AppHeader_mobileNavLink__lEbNJ{padding:12px;text-decoration:none;color:hsl(var(--foreground));font-weight:600;border-radius:12px;transition:background .2s}.AppHeader_mobileNavLink__lEbNJ:hover{background:hsl(var(--muted));color:hsl(var(--primary))}.AppHeader_mobileNotificationDot__FOJzO{position:absolute;top:14px;margin-left:8px;width:8px;height:8px;background-color:hsl(var(--destructive));border-radius:50%;animation:AppHeader_pulse-dot__aIT_n 2s infinite}@keyframes AppHeader_slideDown__1uC5X{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@media 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