:root{--v18-bottom-nav:72px}
.v18-billing-center{padding:22px;margin-bottom:18px;background:linear-gradient(135deg,#fffdf9,#f6f9fb)!important}
.v18-billing-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.v18-billing-head h2{margin:4px 0 6px;font-size:24px}.v18-billing-head p{margin:0;color:var(--muted);font-size:12px;line-height:1.55;max-width:650px}.v18-kicker{font-size:9px;letter-spacing:.13em;font-weight:850;color:var(--green)}
.v18-sub-list{display:grid;gap:9px;margin-top:18px}.v18-sub-row{display:flex;align-items:center;justify-content:space-between;gap:14px;border:1px solid var(--line);background:#fff;border-radius:14px;padding:13px 14px}.v18-sub-main{display:flex;align-items:center;gap:10px}.v18-sub-main b{display:block;font-size:13px}.v18-sub-main small{display:block;color:var(--muted);font-size:10px;margin-top:2px}.v18-plan-dot{width:10px;height:10px;border-radius:50%;background:#cbd3d9;box-shadow:0 0 0 4px #f1f4f6}.v18-plan-dot.live{background:var(--green);box-shadow:0 0 0 4px #e3f0eb}.v18-sub-actions{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.v18-billing-note{margin-top:12px;padding:10px 12px;border-radius:12px;background:#f3f6f7;color:#617184;font-size:10px;line-height:1.5}.v18-loading{font-size:11px;color:var(--muted);padding:10px 0}
.v18-settings-billing{border-top:1px solid var(--line);margin-top:15px;padding-top:14px}.v18-settings-sub{display:grid;gap:5px}.v18-settings-sub>b{font-size:12px}.v18-settings-sub>span{font-size:10px;color:var(--muted)}.v18-settings-sub .actions{margin-top:8px}.v18-install-card p{color:var(--muted);font-size:11px;line-height:1.5}.v18-install-card small{display:block;color:var(--muted);font-size:9px;line-height:1.45;margin-top:10px}
.v18-mobile-nav{display:none}
@media(max-width:760px){
 body{overscroll-behavior-y:none}.app-main{margin-left:0!important}.sidebar{width:min(88vw,320px)!important}.side-nav{overflow-x:hidden!important}.side-nav::-webkit-scrollbar:horizontal{display:none}.app-content{padding:18px 14px calc(var(--v18-bottom-nav) + env(safe-area-inset-bottom) + 18px)!important}.app-top{padding:0 12px!important}.app-search{display:none!important}.mobile-menu{display:none!important}
 .v18-mobile-nav{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:95;min-height:var(--v18-bottom-nav);padding:7px 6px calc(7px + env(safe-area-inset-bottom));background:rgba(8,34,66,.97);backdrop-filter:blur(14px);border-top:1px solid rgba(255,255,255,.12);box-shadow:0 -12px 30px rgba(8,31,57,.18)}.v18-mobile-nav button{border:0;background:transparent;color:#c7d4e2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:9px;font-weight:750;min-width:0;padding:4px 2px}.v18-mobile-nav button span{font-size:18px;line-height:1}.v18-mobile-nav button.active{color:#fff}.v18-mobile-nav button.active span{color:#78b9aa}
 .v18-billing-head,.v18-sub-row{display:block}.v18-billing-head .btn{width:100%;margin-top:12px}.v18-sub-actions{justify-content:flex-start;margin-top:10px}.v18-sub-actions .btn{width:100%}.pricing-grid{grid-template-columns:1fr!important}.v156-settings-grid{grid-template-columns:1fr!important}
}

/* V18.1 auth clarity */
.auth-card .google-btn{background:#123c69!important;color:#fff!important;border:1px solid #123c69!important;box-shadow:0 8px 22px rgba(18,60,105,.14)!important}
.auth-card .google-btn:hover{background:#0b2f59!important;color:#fff!important}
.auth-card .google-btn .google-g,.auth-card .google-btn .google-label{color:#fff!important;opacity:1!important}
.auth-card .google-btn:disabled{color:#fff!important;opacity:.7!important}
.auth-tabs [role="tab"][aria-selected="true"]{background:#123c69!important;color:#fff!important;border-color:#123c69!important}
.auth-tabs [role="tab"][aria-selected="false"]{background:#edf2f6!important;color:#123c69!important}