/* ===== AI Zone — модалка пополнения токенов ===== */
.bill-overlay {
  position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 20px;
  background: rgba(4, 4, 9, 0.72); backdrop-filter: blur(6px);
  opacity: 0; visibility: hidden; transition: opacity 0.22s ease, visibility 0.22s;
}
.bill-overlay.is-open { opacity: 1; visibility: visible; }
.bill-card {
  position: relative; width: 100%; max-width: 780px; background: #0e0f1a; border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px; padding: 34px 32px 30px; box-shadow: 0 40px 120px -30px rgba(0, 0, 0, 0.8);
  font-family: 'Manrope', system-ui, sans-serif; transform: translateY(14px) scale(0.985); transition: transform 0.25s ease;
}
.bill-overlay.is-open .bill-card { transform: none; }
.bill-card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; border-radius: 22px 22px 0 0; background: linear-gradient(120deg, #7c5cff, #5b8bff, #2bd6ff); }

.bill-close { position: absolute; top: 16px; right: 16px; width: 34px; height: 34px; border-radius: 10px; border: none; background: rgba(255, 255, 255, 0.05); color: #a6a8b8; font-size: 20px; cursor: pointer; display: grid; place-items: center; transition: 0.2s; }
.bill-close:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }

.bill-title { font-family: 'Sora', sans-serif; font-size: 24px; font-weight: 800; color: #f4f5fb; margin-bottom: 4px; letter-spacing: -0.02em; }
.bill-sub { color: #a6a8b8; font-size: 14.5px; margin-bottom: 22px; }
.bill-sub b { color: #f4f5fb; }

/* Карточка подписки */
.bill-subscription {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  border: 1px solid rgba(124, 92, 255, 0.45); border-radius: 16px; padding: 16px 20px; margin-bottom: 18px;
  background: linear-gradient(120deg, rgba(124, 92, 255, 0.14), rgba(43, 214, 255, 0.07));
}
.bill-subscription.is-active { border-color: rgba(67, 224, 142, 0.4); background: rgba(67, 224, 142, 0.06); }
.bill-subscription__title { font-weight: 800; font-size: 16px; color: #f4f5fb; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.bill-subscription.is-active .bill-subscription__title { color: #43e08e; }
.bill-subscription__badge { font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 100px; background: linear-gradient(120deg, #7c5cff, #2bd6ff); color: #fff; }
.bill-subscription__desc { color: #a6a8b8; font-size: 13.5px; margin-top: 4px; }
.bill-subscription__btn {
  flex-shrink: 0; padding: 12px 26px; border-radius: 12px; border: none; cursor: pointer;
  background: linear-gradient(120deg, #7c5cff, #2bd6ff); color: #fff; font-family: inherit; font-weight: 700; font-size: 14.5px;
  box-shadow: 0 10px 26px -8px rgba(124, 92, 255, 0.6); transition: transform 0.18s;
}
.bill-subscription__btn:hover { transform: translateY(-2px); }
.bill-subscription__cancel {
  flex-shrink: 0; padding: 10px 18px; border-radius: 12px; border: 1px solid rgba(255, 255, 255, 0.14);
  background: none; color: #a6a8b8; font-family: inherit; font-weight: 600; font-size: 13px; cursor: pointer; transition: 0.2s;
}
.bill-subscription__cancel:hover { color: #fff; border-color: rgba(255, 255, 255, 0.3); }

.bill-packs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.bill-pack {
  position: relative; background: var(--surface, rgba(255, 255, 255, 0.04)); border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px; padding: 20px 18px; cursor: pointer; transition: transform 0.2s, border-color 0.2s, background 0.2s; text-align: center;
}
.bill-pack:hover { transform: translateY(-4px); border-color: rgba(124, 92, 255, 0.5); background: rgba(255, 255, 255, 0.06); }
.bill-pack--best { border-color: rgba(124, 92, 255, 0.6); background: linear-gradient(180deg, rgba(124, 92, 255, 0.12), transparent); }
.bill-pack__badge { position: absolute; top: -11px; left: 50%; transform: translateX(-50%); background: linear-gradient(120deg, #7c5cff, #2bd6ff); color: #fff; font-size: 11px; font-weight: 700; padding: 4px 12px; border-radius: 100px; white-space: nowrap; }
.bill-pack__name { font-size: 14px; color: #a6a8b8; margin-bottom: 10px; }
.bill-pack__tokens { font-family: 'Sora', sans-serif; font-size: 30px; font-weight: 800; color: #f4f5fb; line-height: 1; }
.bill-pack__tokens span { font-size: 13px; font-weight: 600; color: #6b6d80; font-family: 'Manrope', system-ui, sans-serif; display: block; margin-top: 4px; }
.bill-pack__eq { font-size: 11.5px; color: #6b6d80; margin-top: 8px; line-height: 1.4; min-height: 30px; }
.bill-pack__price { margin-top: 10px; font-weight: 800; font-size: 19px; color: #fff; }
.bill-pack__per { font-size: 12px; color: #6b6d80; margin-top: 3px; }
.bill-pack__btn { margin-top: 14px; width: 100%; padding: 10px; border-radius: 10px; border: none; background: rgba(255, 255, 255, 0.07); color: #fff; font-family: inherit; font-weight: 700; font-size: 13.5px; cursor: pointer; transition: 0.2s; }
.bill-pack--best .bill-pack__btn { background: linear-gradient(120deg, #7c5cff, #2bd6ff); }
.bill-pack:hover .bill-pack__btn { background: linear-gradient(120deg, #7c5cff, #2bd6ff); }

.bill-costs { margin-top: 22px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, 0.08); display: flex; flex-wrap: wrap; gap: 8px 18px; color: #a6a8b8; font-size: 13px; }
.bill-costs b { color: #f4f5fb; }
.bill-note { margin-top: 14px; color: #6b6d80; font-size: 12.5px; text-align: center; }

.bill-toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px); background: #14111f; border: 1px solid rgba(255, 255, 255, 0.16); color: #f4f5fb; padding: 13px 20px; border-radius: 12px; font-family: 'Manrope', sans-serif; font-size: 14px; z-index: 1100; opacity: 0; transition: 0.25s; box-shadow: 0 20px 50px -16px rgba(0, 0, 0, 0.7); pointer-events: none; }
.bill-toast.is-show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 700px) {
  .bill-packs { grid-template-columns: 1fr 1fr; gap: 10px; }
  .bill-subscription { flex-direction: column; align-items: stretch; text-align: center; }
  .bill-card { padding: 26px 18px 20px; }
  .bill-title { font-size: 21px; }
  .bill-costs { gap: 6px 14px; font-size: 12.5px; }
}
@media (max-width: 420px) { .bill-packs { grid-template-columns: 1fr; } }