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span:first-child{transform:translateY(7px)rotate(45deg)}.app-nav-toggle[aria-expanded=true] span:nth-child(2){opacity:0}.app-nav-toggle[aria-expanded=true] span:nth-child(3){transform:translateY(-7px)rotate(-45deg)}.app-nav-mobile{-webkit-backdrop-filter:blur(24px)saturate(150%);border:1px solid var(--color-border);box-shadow:var(--shadow-lg);background:#ffffffd9;border-radius:24px;flex-direction:column;gap:4px;padding:12px;animation:.3s cubic-bezier(.4,0,.2,1) forwards slideDown;display:flex;position:absolute;top:calc(100% + 12px);left:0;right:0}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.app-nav-mobile-link{color:var(--color-muted);border-radius:var(--radius-full);transition:all var(--duration-base);padding:14px 20px;font-size:15px;font-weight:600}.app-nav-mobile-link:hover,.app-nav-mobile-link.app-nav-link-active{background:var(--color-primary-soft);color:var(--color-primary);padding-left:26px}@media (width<=900px){.app-nav{border-radius:24px;width:auto;margin:16px}.app-nav-links{display:none}.app-nav-toggle{margin-left:auto;display:flex}.app-nav-inner{justify-content:flex-end;padding:8px 16px}}.app-main{width:100%;max-width:var(--container-max);padding:var(--space-6) var(--space-8) var(--space-12);flex-direction:column;flex:1;margin:0 auto;display:flex}@media (width<=640px){.app-main{padding:var(--space-4) var(--space-4) var(--space-12)}}