.billing-page { margin: 0; background: #f6f8fb; color: #152c3d; }
.billing-header { max-width: 1120px; margin: auto; padding: 24px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.billing-brand { display: flex; align-items: center; gap: 10px; font-size: 25px; font-weight: 700; text-decoration: none; color: inherit; }
.billing-brand img { width: 36px; height: 36px; }
.billing-main { max-width: 1120px; padding: 48px 24px; margin: auto; }
.billing-main h1 { font-size: clamp(32px, 5vw, 48px); margin: 10px 0; }
.billing-account { background: white; padding: 20px 24px; border: 1px solid #d9e2e9; border-radius: 16px; margin: 32px 0 16px; }
.billing-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.billing-plans { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; margin: 24px 0; }
.billing-plan { display: flex; flex-direction: column; gap: 14px; background: white; color: #152c3d; border: 1px solid #d9e2e9; border-radius: 18px; padding: 28px; }
.billing-plan h3, .billing-plan p { margin: 0; }
.billing-plan h3 { font-size: 21px; }
.billing-price { display: block; font-size: 38px; font-weight: 700; }
.billing-price small { font-size: 14px; font-weight: 400; }
.billing-plan ul { padding-left: 20px; margin: 0 0 12px; line-height: 1.8; flex-grow: 1; }
.billing-plan .button { width: 100%; text-align: center; justify-content: center; }
.billing-plan button:disabled { opacity: .6; cursor: default; }
.billing-fine-print { color: #516473; font-size: 14px; line-height: 1.7; }
.billing-plan-note { color: #516473; font-size: 13px; }
#billingMessage { min-height: 24px; color: #80410b; }
.billing-page [hidden] { display: none !important; }
@media (max-width: 1050px) { .billing-plans { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .billing-plans { grid-template-columns: 1fr; } .billing-main { padding-top: 28px; } .billing-plan { padding: 24px; } }