#app-header{position:fixed;top:0;left:0;right:0;z-index:50;background:var(--bg-secondary);border-bottom:1px solid var(--border);padding-top:env(safe-area-inset-top)}
.header-row{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;gap:8px}
.header-brand{font-weight:700;font-size:.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.header-actions{display:flex;gap:6px;align-items:center;flex-shrink:0}
#theme-select{background:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border);border-radius:8px;padding:6px;font-size:.75rem}
.bottom-nav{position:fixed;left:0;right:0;bottom:var(--contact-footer-h);height:var(--nav-h);background:var(--bg-secondary);border-top:1px solid var(--border);z-index:90;padding-bottom:env(safe-area-inset-bottom)}
.bottom-nav ul{display:flex;list-style:none;height:100%;margin:0;padding:0}
.bottom-nav li{flex:1;display:flex}
.bottom-nav a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-decoration:none;font-size:.65rem;color:var(--text-secondary);gap:2px;font-weight:600}
.bottom-nav a.active{color:var(--accent)}
.bottom-nav a span:first-child{font-size:1.15rem}
#cart-bar{position:fixed;left:0;right:0;bottom:calc(var(--contact-footer-h) + var(--nav-h));z-index:85;background:var(--card-bg);border-top:1px solid var(--border);padding:10px 16px;display:none}
.cart-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:720px;margin:0 auto}
.cart-badge{background:var(--accent);color:#fff;border-radius:999px;padding:2px 10px;font-weight:700}
.contact-footer{position:fixed;left:0;right:0;bottom:0;z-index:100;background:#111;border-top:1px solid var(--border);padding:8px 12px calc(8px + env(safe-area-inset-bottom))}
.contact-footer__btns{display:grid;grid-template-columns:repeat(3,minmax(0,88px));gap:8px;max-width:320px;margin:0 auto 4px;justify-content:center}
.contact-footer__cta,.contact-footer__btn{display:flex;align-items:center;justify-content:center;font-size:.72rem;padding:.48rem .2rem;border-radius:8px;text-decoration:none;border:1px solid var(--border);background:var(--bg-secondary);color:var(--text-primary);cursor:pointer;font-family:inherit}
.contact-footer__cta{background:#c41e1e!important;color:#fff!important;border-color:#c41e1e}
.contact-footer__brand{text-align:center;font-size:.65rem;color:var(--text-secondary);margin:0}
.toast-container{position:fixed;bottom:calc(var(--contact-footer-h) + var(--nav-h) + 80px);left:50%;transform:translateX(-50%);z-index:300;width:90%;max-width:360px;pointer-events:none}
.toast{background:#333;color:#fff;padding:12px;border-radius:10px;text-align:center;margin-top:8px;font-size:.9rem}
.toast-success{background:#2E7D32}.toast-error{background:#C62828}
#skeleton-root .sk-block{height:80px;background:linear-gradient(90deg,var(--border),var(--card-bg),var(--border));background-size:200%;animation:shimmer 1.2s infinite;border-radius:12px;margin:16px}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}