:root{--color-primary:#2563eb;--color-secondary:#4f46e5;--color-indigo-transition:#4f46e5;--color-accent-success:#059669;--color-background-primary:#fff;--color-background-secondary:#f8fafc;--color-text-primary:#0f172a;--color-text-secondary:#475569;--color-text-on-primary:#fff;--color-border-primary:#e2e8f0;--color-border-hover:#cbd5e1;--color-interactive-light:#eff6ff;--shadow-color:221deg 39% 11%;--shadow-strength:1%;--gradient-brand:linear-gradient(135deg,var(--color-primary),var(--color-secondary));--gradient-action:linear-gradient(135deg,var(--color-primary),#4338ca);--gradient-highlight:linear-gradient(135deg,var(--color-primary),#10b981);--color-feedback-correct-bg:#ecfdf5;--color-feedback-correct-border:#34d399;--color-feedback-correct-text:#065f46;--color-feedback-incorrect-bg:#fef2f2;--color-feedback-incorrect-border:#f87171;--color-feedback-incorrect-text:#991b1b;--color-warning-bg:#fffbeb;--color-warning-text:#92400e;--color-warning-border:#fcd34d;--color-warning-icon:#d97706;--color-overlay-bg:#0f112a99;--backdrop-blur:blur(8px);--color-card-bg:#fff;--color-card-border:#e2e8f0;--shadow-card:0 4px 6px -1px #0000000d,0 2px 4px -1px #00000008;--shadow-card-hover:0 10px 15px -3px #00000014,0 4px 6px -2px #0000000a;--color-top3-bg:linear-gradient(135deg,#f0f9ff,#e0f2fe);--color-top3-border:#2563eb33}.dark{--color-primary:#3b82f6;--color-secondary:#6366f1;--color-accent-success:#34d399;--color-background-primary:#020617;--color-background-secondary:#0f172a;--color-text-primary:#f8fafc;--color-text-secondary:#94a3b8;--color-border-primary:#1e293b;--color-border-hover:#334155;--color-interactive-light:#3b82f626;--color-feedback-correct-bg:#064e3b66;--color-feedback-correct-border:#059669;--color-feedback-correct-text:#d1fae5;--color-feedback-incorrect-bg:#7f1d1d66;--color-feedback-incorrect-border:#b91c1c;--color-feedback-incorrect-text:#fecaca;--color-warning-bg:#451a0366;--color-warning-text:#fde68a;--color-warning-border:#b45309;--color-overlay-bg:#020617d9;--color-card-bg:#1e293b;--color-card-border:#334155;--shadow-card:0 4px 6px -1px #0000004d;--shadow-card-hover:0 10px 15px -3px #00000080;--color-top3-bg:linear-gradient(135deg,#6366f126,#3b82f60d);--color-top3-border:#6366f166}body{background-color:var(--color-background-secondary);color:var(--color-text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;transition:background-color .3s,color .3s,border-color .3s}a{color:inherit;text-decoration:none;transition:opacity .2s}a:hover{opacity:.8}*{box-sizing:border-box}.glass-panel{-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);border:1px solid var(--color-border-primary);background:#fffc}.dark .glass-panel{border:1px solid var(--color-border-primary);background:#0f172ab3}
.Navbar-module__cRh5nW__navbar{z-index:1000;-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border-primary);background:#fffc;transition:background-color .4s,border-color .4s;position:sticky;top:0}.dark .Navbar-module__cRh5nW__navbar{background:#020617bf;border-bottom:1px solid #1e293b80}.Navbar-module__cRh5nW__navbar:after{content:"";background:linear-gradient(90deg,transparent,var(--color-primary),transparent);opacity:0;pointer-events:none;height:1px;transition:opacity .4s;position:absolute;bottom:-1px;left:0;right:0}.Navbar-module__cRh5nW__navbar:hover:after{opacity:.5}.Navbar-module__cRh5nW__container{justify-content:space-between;align-items:center;max-width:1400px;height:70px;margin:0 auto;padding:0 2rem;display:flex}.Navbar-module__cRh5nW__logo{background:var(--gradient-brand);-webkit-text-fill-color:transparent;letter-spacing:-.03em;white-space:nowrap;background-size:200%;-webkit-background-clip:text;background-clip:text;font-size:1.75rem;font-weight:800;transition:transform .3s,background-position .5s}.Navbar-module__cRh5nW__logo:hover{background-position:100%;transform:scale(1.02)}.Navbar-module__cRh5nW__menu{align-items:center;gap:2rem;display:flex}.Navbar-module__cRh5nW__navLink{color:var(--color-text-secondary);padding:.5rem 0;font-size:.95rem;font-weight:500;text-decoration:none;transition:color .3s;position:relative}.Navbar-module__cRh5nW__navLink:after{content:"";background:var(--color-primary);border-radius:2px;width:0;height:2px;transition:width .3s cubic-bezier(.4,0,.2,1);position:absolute;bottom:0;left:0}.Navbar-module__cRh5nW__navLink:hover{color:var(--color-primary)}.Navbar-module__cRh5nW__navLink:hover:after{width:100%}@media (max-width:768px){.Navbar-module__cRh5nW__container{height:64px;padding:0 1rem}.Navbar-module__cRh5nW__menu{gap:.75rem}.Navbar-module__cRh5nW__logo{font-size:1.4rem}.Navbar-module__cRh5nW__navLink{font-size:.85rem}}@media (max-width:480px){.Navbar-module__cRh5nW__logo{font-size:1.3rem}.Navbar-module__cRh5nW__menu{gap:.5rem}.Navbar-module__cRh5nW__navLink[href=\/about]{display:none}}
.UserMenu-module__ckcmyG__userActionsContainer{align-items:center;gap:.5rem;display:flex}.UserMenu-module__ckcmyG__menuWrapper{position:relative}.UserMenu-module__ckcmyG__menuButton{background:rgba(var(--rgb-background-primary),.6);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--color-border-primary);color:var(--color-text-primary);cursor:pointer;border-radius:16px;align-items:center;gap:.75rem;padding:.6rem 1rem;font-weight:600;transition:all .3s;display:flex}.UserMenu-module__ckcmyG__menuButton:hover{border-color:var(--color-primary);transform:translateY(-2px);box-shadow:0 8px 25px #0000001a}.UserMenu-module__ckcmyG__avatar{background:var(--gradient-brand);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:.9rem;font-weight:700;display:flex}.UserMenu-module__ckcmyG__dropdownMenu{background:rgba(var(--rgb-background-primary),.8);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--color-border-primary);border-radius:20px;width:240px;animation:.3s UserMenu-module__ckcmyG__slideDown;position:absolute;top:calc(100% + 12px);right:0;overflow:hidden;box-shadow:0 20px 50px #00000026}@keyframes UserMenu-module__ckcmyG__slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.UserMenu-module__ckcmyG__dropdownItem{text-align:left;color:var(--color-text-primary);padding:1rem 1.5rem;font-weight:500;transition:all .2s}.UserMenu-module__ckcmyG__dropdownItem:hover{background:rgba(var(--rgb-primary),.1);color:var(--color-primary);padding-left:2rem}.UserMenu-module__ckcmyG__logoutButton{color:#ef4444;border-top:1px solid var(--color-border-primary)}.UserMenu-module__ckcmyG__logoutButton:hover{background:#ef444426}
.NotificationBell-module__xoe8jq__container{align-items:center;display:flex;position:relative}.NotificationBell-module__xoe8jq__bellButton{width:48px;height:48px;color:var(--color-text-secondary);cursor:pointer;background-color:#0000;border:none;border-radius:50%;justify-content:center;align-items:center;transition:all .3s;display:flex;position:relative}.NotificationBell-module__xoe8jq__bellButton:hover{background-color:var(--color-interactive-light);color:var(--color-primary)}.NotificationBell-module__xoe8jq__badge{background:var(--color-secondary);color:#fff;border:2px solid var(--color-background-primary);border-radius:10px;justify-content:center;align-items:center;min-width:20px;height:20px;padding:0 6px;font-size:.75rem;font-weight:700;animation:.3s ease-out NotificationBell-module__xoe8jq__popIn;display:flex;position:absolute;top:8px;right:8px}@keyframes NotificationBell-module__xoe8jq__popIn{0%{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}.NotificationBell-module__xoe8jq__dropdown{background:rgba(var(--rgb-background-primary),.95);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--color-border-primary);z-index:100;border-radius:20px;flex-direction:column;width:min(380px,90vw);max-height:400px;animation:.3s NotificationBell-module__xoe8jq__slideDown;display:flex;position:absolute;top:calc(100% + 12px);right:0;box-shadow:0 20px 50px #00000026}@keyframes NotificationBell-module__xoe8jq__slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.NotificationBell-module__xoe8jq__header{border-bottom:1px solid var(--color-border-primary);justify-content:space-between;align-items:center;padding:1rem 1.5rem;display:flex}.NotificationBell-module__xoe8jq__header h3{color:var(--color-text-primary);margin:0;font-size:1.1rem}.NotificationBell-module__xoe8jq__markAllButton{color:var(--color-text-secondary);cursor:pointer;background:0 0;border:none;align-items:center;gap:.5rem;font-size:.8rem;font-weight:500;transition:color .2s;display:flex}.NotificationBell-module__xoe8jq__markAllButton:hover{color:var(--color-primary)}.NotificationBell-module__xoe8jq__list{padding:.5rem;overflow-y:auto}.NotificationBell-module__xoe8jq__item{border-radius:12px;gap:1rem;padding:1rem;transition:background-color .2s;display:flex}.NotificationBell-module__xoe8jq__item:hover{background-color:rgba(var(--rgb-primary,59,130,246),.1)}.NotificationBell-module__xoe8jq__itemIcon{background-color:var(--color-interactive-light);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.NotificationBell-module__xoe8jq__icon{color:var(--color-primary)}.NotificationBell-module__xoe8jq__itemContent{flex-grow:1}.NotificationBell-module__xoe8jq__itemContent h4{color:var(--color-text-primary);margin:0 0 .25rem;font-size:.95rem;font-weight:600}.NotificationBell-module__xoe8jq__itemContent p{color:var(--color-text-secondary);margin:0;font-size:.85rem;line-height:1.5}.NotificationBell-module__xoe8jq__link{color:var(--color-primary);margin-top:.5rem;font-size:.85rem;font-weight:600;display:inline-block}.NotificationBell-module__xoe8jq__readButton{color:var(--color-text-secondary);opacity:.5;cursor:pointer;background:0 0;border:none;flex-shrink:0;align-self:center;transition:all .2s}.NotificationBell-module__xoe8jq__item:hover .NotificationBell-module__xoe8jq__readButton{opacity:1}.NotificationBell-module__xoe8jq__readButton:hover{color:var(--color-accent-success)}.NotificationBell-module__xoe8jq__emptyState{text-align:center;color:var(--color-text-secondary);padding:2rem;font-size:.9rem}@media (max-width:640px){.NotificationBell-module__xoe8jq__dropdown{width:94vw;max-height:75vh;animation:.3s NotificationBell-module__xoe8jq__slideDownMobile;position:fixed;top:75px;left:50%;right:auto;transform:translate(-50%);box-shadow:0 0 0 100vh #0006}@keyframes NotificationBell-module__xoe8jq__slideDownMobile{0%{opacity:0;transform:translate(-50%,-20px)}to{opacity:1;transform:translate(-50%)}}.NotificationBell-module__xoe8jq__item{gap:.75rem;padding:.75rem}.NotificationBell-module__xoe8jq__itemIcon{width:32px;height:32px}.NotificationBell-module__xoe8jq__itemIcon svg{width:16px;height:16px}}