:root {
  --billing-panel: rgba(16, 20, 32, .94);
  --billing-panel-2: rgba(23, 29, 45, .96);
  --billing-line: rgba(255,255,255,.11);
  --billing-line-strong: rgba(255,255,255,.18);
  --billing-text: #f5f7fb;
  --billing-muted: #9aa4b8;
  --billing-accent: #f7c66a;
  --billing-accent-2: #ff9f43;
  --billing-cyan: #54d6ff;
}

.billing-overlay {
  position: fixed;
  inset: 0;
  z-index: 10050;
  display: none;
  place-items: center;
  padding: 24px;
  background: rgba(1, 4, 12, .68);
  backdrop-filter: blur(18px);
}

.billing-overlay.visible { display: grid; }

.billing-modal {
  width: min(1120px, calc(100vw - 32px));
  max-height: min(860px, calc(100vh - 48px));
  overflow: auto;
  border: 1px solid var(--billing-line-strong);
  border-radius: 28px;
  background:
    radial-gradient(circle at 14% 0%, rgba(247,198,106,.18), transparent 36%),
    linear-gradient(180deg, rgba(24,30,47,.98), rgba(11,15,26,.98));
  box-shadow: 0 32px 90px rgba(0,0,0,.55);
  color: var(--billing-text);
}

.billing-head {
  padding: 28px 30px 22px;
  border-bottom: 1px solid var(--billing-line);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
}

.billing-kicker {
  color: var(--billing-accent);
  text-transform: uppercase;
  letter-spacing: .13em;
  font-size: 11px;
  font-weight: 800;
  margin-bottom: 8px;
}

.billing-title {
  margin: 0;
  font-size: 28px;
  letter-spacing: -.04em;
  line-height: 1.08;
}

.billing-subtitle {
  margin: 10px 0 0;
  color: var(--billing-muted);
  line-height: 1.55;
  max-width: 620px;
  font-size: 14px;
}

.billing-close {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid var(--billing-line);
  color: var(--billing-muted);
  background: rgba(255,255,255,.05);
  cursor: pointer;
}

.billing-body {
  padding: 26px 30px 30px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
  gap: 22px;
  min-width: 0;
}

.billing-panel {
  border: 1px solid var(--billing-line);
  background: rgba(255,255,255,.045);
  border-radius: 22px;
  padding: 20px;
  min-width: 0;
}

.billing-panel-title {
  font-weight: 800;
  letter-spacing: -.02em;
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 9px;
}

.billing-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
  min-width: 0;
}

.billing-metric {
  border: 1px solid var(--billing-line);
  background: rgba(0,0,0,.18);
  border-radius: 18px;
  padding: 16px;
  min-width: 0;
}

.billing-label { color: var(--billing-muted); font-size: 12px; margin-bottom: 6px; }
.billing-value {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.billing-value small { font-size: 14px; color: var(--billing-muted); letter-spacing: 0; }
.billing-site-id {
  display: block;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.billing-amount-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.billing-amount {
  border: 1px solid var(--billing-line);
  background: rgba(255,255,255,.04);
  border-radius: 18px;
  padding: 16px;
  cursor: pointer;
  color: var(--billing-text);
  text-align: left;
  font: inherit;
}

.billing-amount.active {
  border-color: rgba(247,198,106,.75);
  background: linear-gradient(135deg, rgba(247,198,106,.16), rgba(255,159,67,.08));
  box-shadow: 0 16px 44px rgba(247,198,106,.11);
}

.billing-amount strong { display: block; font-size: 22px; letter-spacing: -.04em; }
.billing-amount span { color: var(--billing-muted); font-size: 12px; }

.billing-field { margin-top: 12px; }
.billing-field label { display: block; font-size: 12px; color: var(--billing-muted); margin-bottom: 8px; }
.billing-field input {
  width: 100%;
  border: 1px solid var(--billing-line);
  border-radius: 16px;
  background: rgba(0,0,0,.22);
  color: var(--billing-text);
  padding: 14px 15px;
  font: inherit;
  outline: none;
}
.billing-field input:focus { border-color: rgba(247,198,106,.66); box-shadow: 0 0 0 4px rgba(247,198,106,.08); }

.billing-summary { display: grid; gap: 12px; }
.billing-summary-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--billing-muted);
  font-size: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.billing-summary-item strong {
  color: var(--billing-text);
  font-weight: 700;
  text-align: right;
  min-width: 0;
  overflow-wrap: anywhere;
}

.billing-note {
  margin-top: 16px;
  border: 1px solid rgba(84,214,255,.22);
  background: rgba(84,214,255,.07);
  color: #cbefff;
  border-radius: 16px;
  padding: 13px 14px;
  font-size: 13px;
  line-height: 1.45;
}
.billing-note a, .billing-terms a { color: var(--billing-accent); text-decoration: none; }

.billing-terms {
  margin-top: 14px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--billing-muted);
  font-size: 13px;
  line-height: 1.45;
}
.billing-terms input { margin-top: 2px; accent-color: var(--billing-accent); }

.billing-actions {
  margin-top: 22px;
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  align-items: center;
  flex-wrap: wrap;
}

.billing-btn {
  border: 0;
  border-radius: 16px;
  padding: 14px 18px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.billing-btn-ghost { background: rgba(255,255,255,.06); color: var(--billing-muted); border: 1px solid var(--billing-line); }
.billing-btn-primary {
  color: #15120a;
  background: linear-gradient(135deg, var(--billing-accent), var(--billing-accent-2));
  box-shadow: 0 18px 46px rgba(247,198,106,.23);
}
.billing-btn:disabled { opacity: .55; cursor: not-allowed; }
.billing-btn { max-width: 100%; }

.billing-history { margin-top: 16px; display: grid; gap: 9px; }
.billing-history-row { display: flex; justify-content: space-between; color: var(--billing-muted); font-size: 13px; }
.billing-error { color: #fecdd3; margin-top: 12px; font-size: 13px; }

@media (max-width: 1100px) {
  .billing-modal { width: min(760px, calc(100vw - 24px)); }
  .billing-body { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .billing-overlay { padding: 12px; }
  .billing-head { padding: 22px; }
  .billing-body { padding: 22px; }
  .billing-metrics { grid-template-columns: 1fr; }
  .billing-actions { justify-content: stretch; }
  .billing-actions .billing-btn { flex: 1 1 100%; justify-content: center; }
}