.donate-prompt {
  width: min(580px, calc(100vw - 32px));
  max-height: calc(100dvh - 32px);
  box-sizing: border-box;
  overflow-y: auto;
  padding: 36px 28px 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 24px 80px #0004;
  font: 450 15px/1.6 var(--body);
}
.donate-prompt::backdrop { background: #0b143399; }
.donate-prompt [hidden] { display: none !important; }
.donate-prompt h2 { margin: 0 24px 12px 0; font: 650 26px/1.2 var(--body); letter-spacing: -.03em; }
.donate-prompt h3 { margin: 0 24px 8px 0; font: 600 20px/1.3 var(--body); }
.donate-prompt p { margin: 0 0 18px; color: var(--ink-2); }
.donate-prompt .button { border-radius: 999px; min-height: 44px; cursor: pointer; border: 1px solid transparent; }
.donate-close { position: absolute; top: 10px; right: 10px; width: 36px; height: 36px; border: 0; border-radius: 50%; color: var(--ink); background: var(--field); font: 400 26px/1 var(--body); cursor: pointer; }
.donate-tiers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 24px 0; }
.donate-prompt .donate-tier { flex-direction: column; gap: 8px; padding: 18px 10px; border-radius: 18px; color: var(--ink); background: var(--field); text-align: center; font-size: 13px; line-height: 1.4; }
.donate-tier strong { font-size: 20px; }
.donate-prompt .donate-tier:hover { background: color-mix(in srgb, var(--accent) 12%, var(--field)); }
.donate-custom label { display: block; margin-bottom: 8px; font-weight: 600; }
.donate-custom-row { display: flex; gap: 10px; }
.donate-amount-field { display: flex; align-items: center; gap: 8px; min-width: 0; flex: 1; padding: 0 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--field); }
.donate-amount-field span { color: var(--ink-2); font-size: 13px; }
.donate-amount-field input { width: 100%; min-width: 0; padding: 12px 0; background: transparent; border: 0; color: var(--ink); font: inherit; }
.donate-secondary { display: grid; gap: 10px; margin-top: 24px; }
.donate-prompt .donate-secondary-button { background: transparent; border-color: var(--line); color: var(--ink); }
.donate-prompt .donate-secondary-button:hover { background: var(--field); }
.donate-selected-amount { font-size: 24px; font-weight: 650; }
.donate-qr { width: clamp(180px, 60vw, 240px); max-width: 100%; margin: 10px auto; background: #fff; border-radius: 12px; overflow: hidden; }
.donate-qr svg { display: block; width: 100%; height: auto; }
[data-donate-vietqr] { text-align: center; }
.donate-prompt [data-donate-vietqr] p { margin-bottom: 8px; }
.donate-prompt [data-donate-qr-status]:empty { display: none; }
.donate-account { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 8px; }
.donate-account .button { padding: 8px 16px; }
.donate-back { display: block; margin: 4px auto 0; padding: 8px; border: 0; background: transparent; color: var(--accent-text); text-decoration: underline; font: inherit; cursor: pointer; }
.donate-prompt .donate-done { display: flex; width: 100%; box-sizing: border-box; justify-content: center; margin: 12px 0 0; padding: 12px 20px; }
@media (max-width: 480px) {
  .donate-prompt { padding: 36px 20px 24px; }
  .donate-prompt h2 { font-size: 24px; }
  .donate-tiers { grid-template-columns: 1fr; gap: 8px; margin: 20px 0; }
  .donate-prompt .donate-tier { flex-direction: row; justify-content: space-between; padding: 12px 16px; text-align: left; }
  .donate-tier strong { font-size: 18px; white-space: nowrap; }
  .donate-custom-row { flex-wrap: wrap; }
  .donate-amount-field { flex-basis: 100%; }
  .donate-custom-row > .button { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .donate-prompt, .donate-prompt *, .donate-prompt::backdrop { animation: none !important; transition: none !important; }
}