.mobile-bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:998;display:none;padding:0 1rem 1rem;pointer-events:none;opacity:0;transform:translateY(100%)}@keyframes slideUpNav{to{opacity:1;transform:translateY(0)}}@media (max-width:767px){.mobile-bottom-nav{display:block;animation:slideUpNav 0.5s cubic-bezier(0.4,0,0.2,1) forwards;animation-delay:0.3s}body{padding-bottom:80px}body::after{content:'';position:fixed;bottom:0;left:0;right:0;height:80px;background:var(--footer-copyright-bg);z-index:-1}}.mobile-bottom-nav__inner{background:var(--base);border-radius:24px;box-shadow:0 -4px 12px rgba(0,0,0,0.08),0 2px 8px rgba(0,0,0,0.04);display:flex;justify-content:space-around;align-items:center;padding:0.75rem 0.5rem;pointer-events:all;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.mobile-bottom-nav__btn{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0.125rem;min-width:56px;padding:0.375rem 0.25rem;border:none;background:transparent;cursor:pointer;overflow:hidden;border-radius:12px;transition:var(--t-fast);-webkit-tap-highlight-color:transparent}.mobile-bottom-nav__btn .lucide{width:22px;height:22px;color:var(--contrast);transition:var(--t-fast);position:relative;z-index:2;flex-shrink:0}.mobile-bottom-nav__btn span{font-size:0.625rem;line-height:1;color:var(--contrast);font-weight:500;white-space:nowrap;transition:var(--t-fast);position:relative;z-index:2}.mobile-bottom-nav__btn--primary{min-width:64px;padding:0.5rem 0.5rem;background:var(--brand);border-radius:16px;box-shadow:0 4px 12px rgba(242,172,61,0.3),0 2px 4px rgba(242,172,61,0.2)}.mobile-bottom-nav__btn--primary .lucide{width:24px;height:24px;color:var(--base)}.mobile-bottom-nav__btn--primary span{color:var(--base)}.mobile-bottom-nav__btn--primary:active{transform:scale(0.92);box-shadow:0 2px 8px rgba(242,172,61,0.3),0 1px 2px rgba(242,172,61,0.2)}.mobile-bottom-nav__btn::before{content:'';position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:rgba(48,48,48,0.1);transform:translate(-50%,-50%);transition:width 0.4s,height 0.4s;z-index:1}.mobile-bottom-nav__btn--primary::before{background:rgba(255,255,255,0.3)}.mobile-bottom-nav__btn.is-rippling::before{width:100px;height:100px;transition:width 0.5s,height 0.5s}.mobile-bottom-nav__btn:active{transform:scale(0.9)}.mobile-bottom-nav__btn:active .lucide{color:var(--brand)}.mobile-bottom-nav__btn--primary:active .lucide{color:var(--base)}@keyframes messengerSlideUp{from{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}@keyframes messengerFadeIn{from{opacity:0}to{opacity:1}}.messenger-popup{position:fixed;top:0;bottom:0;left:0;right:0;z-index:999;display:none}.messenger-popup.is-visible{display:block}.messenger-popup__backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);z-index:1;cursor:pointer}.messenger-popup.is-visible .messenger-popup__backdrop{animation:messengerFadeIn 0.3s ease forwards}.messenger-popup.is-closing .messenger-popup__backdrop{animation:messengerFadeOut 0.3s ease forwards}@keyframes messengerFadeOut{from{opacity:1}to{opacity:0}}.messenger-popup__content{position:absolute;bottom:0;left:0;right:0;z-index:2;background:var(--base);border-radius:24px 24px 0 0;padding:1.5rem 1rem 2rem;box-shadow:0 -8px 24px rgba(0,0,0,0.15)}.messenger-popup.is-visible .messenger-popup__content{animation:messengerSlideUp 0.4s cubic-bezier(0.25,0.46,0.45,0.94) forwards}.messenger-popup.is-closing .messenger-popup__content{animation:messengerSlideDown 0.3s ease forwards}@keyframes messengerSlideDown{from{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(100%)}}.messenger-popup__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.messenger-popup__title{font-size:1.25rem;font-weight:600;color:var(--contrast);margin:0}.messenger-popup__close{width:32px;height:32px;border:none;background:transparent;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--t-fast);-webkit-tap-highlight-color:transparent}.messenger-popup__close .lucide{width:24px;height:24px;color:var(--contrast-light);transition:var(--t-fast)}.messenger-popup__close:active .lucide{transform:scale(0.9);color:var(--contrast)}.messenger-popup__buttons{display:flex;flex-direction:column;gap:0.75rem}.messenger-popup__btn:last-child{margin-bottom:0.5rem}.messenger-popup__btn{display:flex;align-items:center;gap:1rem;padding:1rem 1.25rem;border:2px solid var(--border);border-radius:12px;background:var(--base);cursor:pointer;transition:var(--t-fast);text-decoration:none;-webkit-tap-highlight-color:transparent}.messenger-popup__btn:active{transform:scale(0.98);border-color:var(--brand);background:var(--cream)}.messenger-popup__icon{width:40px;height:40px;flex-shrink:0}.messenger-popup__icon svg{width:100%;height:100%;display:block}.messenger-popup__text{display:flex;flex-direction:column;gap:0.25rem;flex:1}.messenger-popup__name{font-size:1rem;font-weight:600;color:var(--contrast);margin:0}.messenger-popup__description{font-size:0.875rem;color:var(--contrast-light);margin:0}.mobile-bottom-nav__btn:focus-visible,.messenger-popup__close:focus-visible,.messenger-popup__btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}@media (prefers-reduced-motion:reduce){.mobile-bottom-nav,.messenger-popup__content,.mobile-bottom-nav__btn,.messenger-popup__btn{animation:none;transition:none}.mobile-bottom-nav{opacity:1;transform:translateY(0)}}@supports (padding-bottom:env(safe-area-inset-bottom)){.mobile-bottom-nav{padding-bottom:calc(1rem+env(safe-area-inset-bottom))}.messenger-popup__content{padding-bottom:calc(2rem+env(safe-area-inset-bottom))}@media (max-width:767px){body{padding-bottom:calc(80px+env(safe-area-inset-bottom))}}}