:root{--app-header-top-height:56px;--app-header-bottom-height:64px;--app-header-page-nav-height:60px;--app-header-safe-area-bottom:env(safe-area-inset-bottom,0px);--app-header-blur:20px;--app-header-z-top:60;--app-header-z-page-nav:50;--app-header-z-bottom:70;--app-header-z-drawer:80}.app-header-top{height:var(--app-header-top-height);backdrop-filter:blur(var(--app-header-blur));-webkit-backdrop-filter:blur(var(--app-header-blur))}.app-header-top.scrolled{box-shadow:0 2px 8px rgba(0,0,0,.04)}.app-header-bottom{height:calc(var(--app-header-bottom-height) + var(--app-header-safe-area-bottom));padding-bottom:var(--app-header-safe-area-bottom);box-shadow:0 -2px 16px rgba(0,0,0,.06)}.app-header-bottom,.app-header-page-nav{backdrop-filter:blur(var(--app-header-blur));-webkit-backdrop-filter:blur(var(--app-header-blur))}.app-header-page-nav{height:var(--app-header-page-nav-height)}.bottom-nav-item{min-width:64px;min-height:44px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;transition:all .3s cubic-bezier(.22,1,.36,1)}.bottom-nav-item:active{transform:scale(.95)}.bottom-nav-item-icon{transition:all .3s cubic-bezier(.22,1,.36,1)}.bottom-nav-item.active .bottom-nav-item-icon{transform:translateY(-2px)}.bottom-nav-item-label{font-size:11px;font-weight:500;transition:all .3s cubic-bezier(.22,1,.36,1)}.bottom-nav-item.active .bottom-nav-item-label{font-weight:600}.app-header-badge{position:absolute;top:-4px;right:-4px;min-width:18px;height:18px;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:600;border-radius:9px;padding:0 5px;animation:badge-pop .3s cubic-bezier(.22,1,.36,1)}@keyframes badge-pop{0%{transform:scale(0)}50%{transform:scale(1.2)}to{transform:scale(1)}}@keyframes slide-up{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes slide-down{0%{transform:translateY(0);opacity:1}to{transform:translateY(100%);opacity:0}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes fade-out{0%{opacity:1}to{opacity:0}}@keyframes scale-in{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}.drawer-enter{animation:slide-up .3s cubic-bezier(.22,1,.36,1)}.drawer-exit{animation:slide-down .3s cubic-bezier(.22,1,.36,1)}.drawer-overlay-enter{animation:fade-in .3s ease-out}.drawer-overlay-exit{animation:fade-out .3s ease-out}.page-nav-chip{transition:all .2s cubic-bezier(.22,1,.36,1)}.page-nav-chip:active{transform:scale(.96)}.page-nav-chip.active{box-shadow:0 2px 8px rgba(0,0,0,.1)}.glass-surface{background:rgba(255,255,255,.8)}.glass-surface,.glass-surface-elevated{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.glass-surface-elevated{background:rgba(255,255,255,.95);box-shadow:0 4px 16px rgba(0,0,0,.08)}.touch-feedback{position:relative;overflow:hidden}.touch-feedback:after{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:rgba(0,0,0,.1);transform:translate(-50%,-50%);transition:width .3s,height .3s}.touch-feedback:active:after{width:100%;height:100%}.bottom-nav-hidden{animation:slide-down .3s cubic-bezier(.22,1,.36,1) forwards}.bottom-nav-visible{animation:slide-up .3s cubic-bezier(.22,1,.36,1) forwards}@supports (padding-bottom:env(safe-area-inset-bottom)){.app-header-bottom{padding-bottom:max(var(--app-header-safe-area-bottom),8px)}}@media (min-width:768px){:root{--app-header-top-height:64px;--app-header-bottom-height:72px}.bottom-nav-item{min-width:80px}.bottom-nav-item-label{font-size:12px}}@media (min-width:1024px){.app-header-bottom{display:none}}.app-header-skip-link{position:absolute;top:-40px;left:0;background:#000;color:#fff;padding:8px;text-decoration:none;z-index:100}.app-header-skip-link:focus{top:0}.app-header-focusable:focus-visible{outline:2px solid hsl(var(--primary));outline-offset:2px;border-radius:8px}@media (prefers-reduced-motion:reduce){.bottom-nav-item,.bottom-nav-item-icon,.bottom-nav-item-label,.drawer-enter,.drawer-exit,.drawer-overlay-enter,.drawer-overlay-exit,.page-nav-chip{animation:none;transition:none}}