.osk-payments {
  --osk-blue: #123e73;
  --osk-blue-dark: #0d2d54;
  --osk-cream: #edf5ff;
  --osk-border: #d9dedb;
  --osk-text: #17221d;
  box-sizing: border-box;
  max-width: 920px;
  margin: 32px auto;
  padding: clamp(20px, 4vw, 36px);
  color: var(--osk-text);
  background: #fff;
  border: 1px solid var(--osk-border);
  border-radius: 18px;
  box-shadow: 0 10px 32px rgba(20, 49, 35, .08);
}
.osk-payments *, .osk-payments *::before, .osk-payments *::after { box-sizing: border-box; }
.osk-payments h2 { margin: 0 0 10px; font-size: clamp(1.55rem, 3vw, 2rem); line-height: 1.2; }
.osk-payments__intro { max-width: 760px; margin: 0 0 16px; font-size: 1.04rem; }
.osk-payments__amount-options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 0 0 16px; padding: 0; border: 0; }
.osk-payments__amount-options legend { grid-column: 1 / -1; margin-bottom: 8px; font-weight: 800; }
.osk-payments__amount-options > label { display: flex; align-items: flex-start; gap: 9px; min-height: 78px; padding: 13px; border: 1px solid #b9c8d7; border-radius: 10px; background: #f8fbff; cursor: pointer; }
.osk-payments__amount-options > label:has(input:checked) { border: 2px solid var(--osk-blue); padding: 12px; background: #edf5ff; box-shadow: 0 4px 14px rgba(18, 62, 115, .1); }
.osk-payments__amount-options input[type="radio"] { margin-top: 3px; accent-color: var(--osk-blue); }
.osk-payments__amount-options span { display: grid; gap: 4px; }
.osk-payments__amount-options small { color: #536579; line-height: 1.3; }
.osk-payments__custom { grid-column: 1 / -1; padding: 13px; border-left: 4px solid var(--osk-blue); border-radius: 6px; background: #edf5ff; }
.osk-payments__custom label { display: block; margin-bottom: 6px; font-weight: 700; }
.osk-payments__custom input { width: min(280px, 100%); min-height: 44px; padding: 9px 11px; border: 1px solid #9aabc0; border-radius: 8px; font: inherit; }
.osk-payments__custom input:focus { outline: 3px solid rgba(18, 62, 115, .16); border-color: var(--osk-blue); }
.osk-payments__amount { display: inline-block; margin: 0 0 22px; padding: 9px 13px; background: var(--osk-cream); border-radius: 9px; }
.osk-payments__reference { margin: -10px 0 22px; color: #536159; }
.osk-payments__choices { display: grid; gap: 12px; }
.osk-payment-card { border: 1px solid var(--osk-border); border-radius: 12px; overflow: hidden; background: #fff; }
.osk-payment-card[open] { border-color: var(--osk-blue); }
.osk-payment-card summary { cursor: pointer; padding: 16px 48px 16px 18px; color: #fff; background: var(--osk-blue); font-weight: 750; line-height: 1.35; list-style: none; position: relative; }
.osk-payment-card summary::-webkit-details-marker { display: none; }
.osk-payment-card summary::after { content: '+'; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); font-size: 1.4rem; }
.osk-payment-card[open] summary::after { content: '−'; }
.osk-payment-card summary:hover, .osk-payment-card summary:focus-visible { background: var(--osk-blue-dark); }
.osk-payment-card__body { padding: 18px; }
.osk-payment-card__body > p:first-child { margin-top: 0; }
.osk-payments__row { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 11px 0; border-top: 1px solid #edf0ee; }
.osk-payments__row > div { min-width: 0; }
.osk-payments__row span { display: block; margin-bottom: 2px; color: #536159; font-size: .82rem; }
.osk-payments__row strong { overflow-wrap: anywhere; }
.osk-payments__copy { flex: 0 0 auto; min-height: 40px; padding: 7px 13px; border: 1px solid var(--osk-blue); border-radius: 8px; color: var(--osk-blue-dark); background: #fff; font-weight: 700; cursor: pointer; }
.osk-payments__copy:hover, .osk-payments__copy:focus-visible { color: #fff; background: var(--osk-blue); }
.osk-payments__qr { width: min(260px, 100%); min-height: 220px; margin: 18px auto; padding: 8px; background: #fff; }
.osk-payments__qr svg { display: block; width: 100%; height: auto; }
.osk-payments__note, .osk-payments__mobile-hint { padding: 11px 13px; background: #fff7db; border-left: 4px solid #db9b16; border-radius: 4px; font-size: .92rem; }
.osk-payments__footer { margin: 18px 0 0; color: #536159; font-size: .9rem; }
.osk-payments__status { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
.osk-payments--warning { border-color: #dba617; background: #fff7db; }
@media (max-width: 520px) {
  .osk-payments { margin: 20px 0; border-radius: 12px; }
  .osk-payments__amount-options { grid-template-columns: 1fr; }
  .osk-payments__row { align-items: flex-start; flex-direction: column; }
  .osk-payments__copy { width: 100%; }
}