.billing-section { margin: 24px 0; padding: 20px 0; border-top: 1px solid rgba(155,217,255,.2); color: #e5edf2; }
.billing-section summary { cursor: pointer; font-size: 18px; font-weight: 600; }
.billing-note, .billing-order small { color: #a4b6c4; font-size: 13px; line-height: 1.6; }
.billing-packages { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin: 20px 0; }
.billing-package { display: flex; flex-direction: column; padding: 16px; border: 1px solid rgba(155,217,255,.22); border-radius: 8px; background: #0a151d; min-width: 0; }
.billing-package h3, .billing-history-title { font-size: 15px; margin: 0 0 12px; }
.billing-price { display: block; font-size: 24px; color: #d4bb83; }
.billing-package p { min-height: 40px; margin: 12px 0; font-size: 13px; line-height: 1.5; }
.billing-package .billing-volume { min-height: 0; color: #d4bb83; font-weight: 600; }
.billing-benefits { display: grid; gap: 7px; min-height: 76px; margin: 0 0 18px; padding: 0; list-style: none; color: #c7d5de; font-size: 12px; line-height: 1.45; }
.billing-benefits li { position: relative; padding-left: 16px; }
.billing-benefits li::before { position: absolute; left: 0; color: #8fd8f4; content: '·'; font-weight: 700; }
.billing-button { min-height: 42px; padding: 10px 14px; border-radius: 6px; border: 1px solid #8dbeda; background: #b5d9ec; color: #111920; font: inherit; font-size: 13px; cursor: pointer; white-space: normal; }
.billing-pay-link { display: inline-flex; align-items: center; justify-content: center; box-sizing: border-box; text-decoration: none; }
.billing-button.secondary { background: transparent; color: #d0e2ef; border-color: #46525d; }
.billing-package .billing-button { width: 100%; margin-top: auto; }
.billing-button:disabled { cursor: default; opacity: .45; }
.billing-button:focus-visible, .billing-section summary:focus-visible { outline: 2px solid #d4bb83; outline-offset: 3px; }
.billing-order { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: start; gap: 12px; padding: 16px 0; border-bottom: 1px solid #28333d; }
.billing-order-main { display: grid; gap: 5px; overflow-wrap: anywhere; font-size: 14px; }
.billing-status { font-size: 12px; color: #d4bb83; }
.billing-order > .billing-note, .billing-confirm { grid-column: 1/-1; }
.billing-confirm { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,2fr); gap: 12px; }
.billing-confirm label { display: grid; gap: 6px; font-size: 12px; color: #b7c8d5; }
.billing-confirm input { box-sizing: border-box; width: 100%; min-width: 0; min-height: 42px; padding: 10px; border: 1px solid #46525d; border-radius: 6px; background: #0c1116; color: #e5edf2; font: inherit; }
.billing-actions { grid-column: 1/-1; display: flex; gap: 10px; flex-wrap: wrap; }
.billing-terms { flex: 1 0 100%; display: flex; align-items: flex-start; gap: 9px; color: #aebfcb; font-size: 12px; line-height: 1.5; }
.billing-terms input { flex: 0 0 auto; width: 17px; height: 17px; margin: 1px 0 0; accent-color: #8fd8f4; }
.billing-terms a, .billing-note a { color: #9bd9f5; text-underline-offset: 3px; }
.billing-feedback { font-size: 13px; color: #efb7b7; overflow-wrap: anywhere; }
.billing-mode { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin: 16px 0 22px; padding: 16px; border: 1px solid rgba(212,187,131,.3); border-radius: 8px; background: rgba(10,16,21,.72); }
.billing-mode strong { color: #d4bb83; }
.billing-mode .billing-note { margin: 6px 0 0; }
.auth-access-options { margin: 18px 0 12px; text-align: left; }
.entry-options-head { display: grid; gap: 4px; margin-bottom: 10px; }
.entry-options-head strong { color: #e5edf2; font-size: 14px; }
.entry-options-head span { color: #95a8b6; font-size: 12px; line-height: 1.45; }
.entry-options-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
.entry-option { display: grid; gap: 7px; min-width: 0; min-height: 78px; padding: 11px 12px; border: 1px solid rgba(155,217,255,.2); border-radius: 7px; background: rgba(9,16,22,.76); color: #d8e4eb; font: inherit; text-align: left; cursor: pointer; }
.entry-option:hover { border-color: rgba(143,216,244,.55); }
.entry-option.active { border-color: #d4bb83; background: rgba(212,187,131,.1); box-shadow: inset 0 0 0 1px rgba(212,187,131,.16); }
.entry-option:focus-visible { outline: 2px solid #8fd8f4; outline-offset: 2px; }
.entry-option-top { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.entry-option-top strong { font-size: 13px; }
.entry-option-top b { color: #d4bb83; font-size: 13px; white-space: nowrap; }
.entry-option small { color: #9dafbb; font-size: 11px; line-height: 1.4; }
.auth-status .billing-account-cta { width: 100%; margin: 14px 0 0; }
.billing-school { margin: 24px 0; }
.school-purchases { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; padding-top: 16px; border-top: 1px solid #28333d; }
.school-purchases > div { display: flex; flex-direction: column; min-width: 0; }
.school-purchases .billing-button { margin-top: auto; }
.entry-school { grid-column: 1 / -1; }
.entry-school:disabled { cursor: default; opacity: .6; }
@media (max-width: 640px) { .school-purchases { grid-template-columns: minmax(0, 1fr); gap: 22px; } }
@media (max-width: 640px) { .billing-packages, .billing-confirm { grid-template-columns: minmax(0,1fr); } .billing-order { grid-template-columns: minmax(0,1fr); } .billing-benefits { min-height: 0; } .billing-actions .billing-button, .billing-actions .billing-pay-link { flex: 1 1 100%; } }
@media (max-width: 640px) { .billing-mode { align-items: stretch; flex-direction: column; } .entry-options-grid { grid-template-columns: minmax(0,1fr); } }