/* AstraTech Billing R13: mutually exclusive tab panels; preserve R3C modal styling. */
#astra-billing-ui-r1c .ab-r13-tabs { display:flex; align-items:stretch; gap:8px; padding:5px; margin:0 0 12px; background:#edf2f7; border:1px solid #d8e2ec; border-radius:11px; width:fit-content; max-width:100%; }
#astra-billing-ui-r1c .ab-r13-tab { border:0; border-radius:8px; background:transparent; padding:11px 17px; font:inherit; font-weight:650; color:#40566d; cursor:pointer; white-space:normal; text-align:center; }
#astra-billing-ui-r1c .ab-r13-tab.active { background:#fff; color:#123b60; box-shadow:0 1px 5px #152b421c; }
#astra-billing-ui-r1c .ab-r13-tab:focus-visible { outline:2px solid #1673b8; outline-offset:2px; }
#astra-billing-ui-r1c [hidden] { display:none!important; }
@media(max-width:650px) { #astra-billing-ui-r1c .ab-r13-tabs { width:100%; box-sizing:border-box; } #astra-billing-ui-r1c .ab-r13-tab { flex:1; padding:10px 8px; font-size:13px; } }