.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:linear-gradient(180deg,rgba(7,18,40,.98),rgba(4,10,24,.99));border-top:1px solid rgba(212,168,58,.35);z-index:9998;box-shadow:0 -8px 28px rgba(4,10,24,.45),0 -1px 0 rgba(212,168,58,.12);display:none;}
.bottom-nav-inner{display:flex;justify-content:space-around;align-items:center;padding:2px 0;max-width:640px;margin:0 auto;}
.bottom-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:8px 8px;background:transparent;border:none;cursor:pointer;text-decoration:none;color:#a47c23;transition:all 0.3s ease;position:relative;}
.bottom-nav-item:hover{color:#d4a83a;}
.bottom-nav-item.active{flex-direction:row;gap:8px;background:linear-gradient(135deg,#f5d373 0%,#d4a83a 46%,#a47c23 100%);color:#040a18;border-radius:20px;padding:8px 16px;box-shadow:0 2px 8px rgba(212,168,58,.32);}
.bottom-nav-item-icon{width:24px;height:24px;position:relative;}
.bottom-nav-item-icon svg{width:100%;height:100%;}
.bottom-nav-item .icon-outlined{display:block;}
.bottom-nav-item .icon-filled{display:none;}
.bottom-nav-item.active .icon-outlined{display:none;}
.bottom-nav-item.active .icon-filled{display:block;}
.bottom-nav-item-label{font-size:12px;font-weight:600;line-height:1;display:none;white-space:nowrap;}
.bottom-nav-item.active .bottom-nav-item-label{display:block;}
.bottom-nav-avatar-img, .bottom-nav-avatar-initials{width:24px;height:24px;border-radius:50%;display:block;}
.bottom-nav-avatar-img{object-fit:cover;}
.bottom-nav-avatar-initials{background:linear-gradient(135deg,#f5d373 0%,#d4a83a 46%,#a47c23 100%);color:#040a18;font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center;line-height:1;letter-spacing:0.5px;}
.bottom-nav-item-icon:has(.bottom-nav-avatar-img) .bottom-nav-svg-icon, .bottom-nav-item-icon:has(.bottom-nav-avatar-initials) .bottom-nav-svg-icon{display:none;}
.bottom-nav-item.active .bottom-nav-avatar-initials{background:#dce4f2;color:#d4a83a;border:2px solid rgba(220,228,242,.8);box-sizing:border-box;}
.bottom-nav-item.active .bottom-nav-avatar-img{border:2px solid rgba(220,228,242,.9);box-sizing:border-box;}
.bottom-nav-item-badge{position:absolute;top:-4px;right:-4px;background:#d4a83a;color:#dce4f2;border-radius:10px;padding:2px 5px;font-size:10px;font-weight:600;min-width:18px;height:18px;display:flex;align-items:center;justify-content:center;line-height:1;}
@media (max-width: 640px){.bottom-nav{display:block;}
body{padding-bottom:60px;}
}
.mobile-user-sheet{position:fixed;bottom:0;left:0;right:0;z-index:10000;pointer-events:none;}
.mobile-user-sheet:not([hidden]){pointer-events:auto;}
.mobile-user-sheet-backdrop{position:fixed;inset:0;background:rgba(4,10,24,.72);opacity:0;transition:opacity 0.2s ease-out;}
.mobile-user-sheet.active .mobile-user-sheet-backdrop{opacity:1;}
.mobile-user-sheet-content{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(180deg,#071228 0%,#040a18 100%);border:1px solid rgba(212,168,58,.28);border-bottom:0;border-radius:16px 16px 0 0;box-shadow:0 -18px 48px rgba(4,10,24,.5);max-height:80vh;overflow-y:auto;transform:translateY(100%);transition:transform 0.3s ease-out;}
.mobile-user-sheet.active .mobile-user-sheet-content{transform:translateY(0);}
.mobile-user-sheet-handle{width:40px;height:4px;background:#694d14;border-radius:2px;margin:12px auto 16px;}
.mobile-user-sheet-header{padding:0 20px 16px;border-bottom:1px solid #102546;}
.mobile-user-info{display:flex;align-items:center;gap:12px;}
.mobile-user-avatar{width:48px;height:48px;background:linear-gradient(135deg,#061023 0%,#102546 55%,#694d14 100%);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;color:#a47c23;font-weight:600;}
.mobile-user-details{flex:1;}
.mobile-user-name{font-weight:600;font-size:16px;color:#f5d373;margin-bottom:4px;}
.mobile-user-email{font-size:13px;color:#a47c23;}
.mobile-user-sheet-body{padding:8px 0;}
.mobile-user-sheet-item{display:flex;align-items:center;gap:12px;padding:14px 20px;background:transparent;border:none;width:100%;text-align:left;cursor:pointer;text-decoration:none;color:#f5d373;transition:background 0.2s;}
.mobile-user-sheet-item:hover{background:rgba(212,168,58,.08);}
.mobile-user-sheet-icon{font-size:20px;width:24px;text-align:center;}
.mobile-user-sheet-label{font-size:15px;font-weight:500;}
.mobile-user-sheet-divider{height:1px;background:#102546;margin:8px 0;}
@keyframes fadeIn{from{opacity:0;}
to{opacity:1;}
}
@keyframes slideUp{from{transform:translateY(100%);}
to{transform:translateY(0);}
}
@media (max-width: 640px){.chat-widget{bottom:0 !important;}
.chat-popup{z-index:9999;}
}