/* Сторінка оплати. Шрифти системні: сторінка не звертається до сторонніх серверів і відкривається миттєво. */
:root {
  --paper: #f4f6f9; --card: #ffffff; --ink: #17202e; --soft: #5b6677; --line: #d5dbe5;
  --blue: #1b4fd1; --blue-ink: #ffffff; --copper: #b06a22; --ok: #1c7a45; --bad: #b3261e; --warn-bg: #fff4d6; --warn-ink: #5c4300;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root { --paper: #10151d; --card: #19212c; --ink: #e8edf4; --soft: #9aa6b8; --line: #2f3a4a;
          --blue: #6f9bff; --blue-ink: #0b1220; --copper: #d99a55; --ok: #5cc98b; --bad: #ff8a80; --warn-bg: #3d3210; --warn-ink: #ffe9a8; }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--paper); color: var(--ink); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
[hidden] { display: none !important; }
.wrap { max-width: 460px; margin: 0 auto; padding: 28px 16px 40px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 17px; margin: 0 4px 18px; }
.coin { width: 22px; height: 22px; border-radius: 50%; background: var(--copper); box-shadow: inset 0 0 0 3px var(--paper), inset 0 0 0 4px var(--copper); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px; }
h1 { font-size: 22px; line-height: 1.25; margin: 0 0 18px; font-weight: 650; }
label { display: block; font-size: 14px; color: var(--soft); margin: 16px 0 6px; }
.opt { font-size: 13px; opacity: .8; margin-left: 4px; }
input { width: 100%; font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 11px 12px; }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid color-mix(in srgb, var(--blue) 45%, transparent); outline-offset: 1px; border-color: var(--blue); }
input.code { font-size: 30px; font-weight: 600; letter-spacing: .12em; font-variant-numeric: tabular-nums; padding: 10px 14px; }
input.amount { font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; }
input.bad { border-color: var(--bad); }
input::placeholder { color: var(--soft); opacity: .45; font-weight: 400; }
.hint { font-size: 13px; color: var(--soft); margin: 6px 0 0; }
.quick { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.quick button { font: inherit; font-size: 14px; color: var(--ink); background: transparent; border: 1px solid var(--line); border-radius: 999px; padding: 5px 14px; cursor: pointer; font-variant-numeric: tabular-nums; }
.quick button:hover { border-color: var(--blue); }
.error { color: var(--bad); font-size: 14px; margin: 14px 0 0; }
button.primary, .as-button { display: block; width: 100%; margin-top: 20px; font: inherit; font-weight: 600; color: var(--blue-ink); background: var(--blue); border: 0; border-radius: 8px; padding: 13px 16px; cursor: pointer; text-align: center; text-decoration: none; }
button.primary:disabled { opacity: .6; cursor: default; }
button.ghost { font: inherit; color: var(--ink); background: transparent; border: 1px solid var(--line); border-radius: 8px; padding: 13px 18px; cursor: pointer; margin-top: 20px; }
button.link { font: inherit; font-size: 14px; color: var(--blue); background: none; border: 0; padding: 4px; cursor: pointer; text-decoration: underline; }
.actions { display: flex; gap: 10px; }
.actions .primary { flex: 1; }
.summary { margin: 0; border: 1px solid var(--line); border-radius: 8px; }
.summary div { display: flex; justify-content: space-between; gap: 16px; padding: 11px 14px; border-top: 1px solid var(--line); }
.summary div:first-child { border-top: 0; }
.summary dt { color: var(--soft); font-size: 14px; }
.summary dd { margin: 0; text-align: right; font-weight: 600; overflow-wrap: anywhere; }
.summary dd.sum { font-size: 20px; font-variant-numeric: tabular-nums; }
.methods { margin-top: 16px; display: grid; gap: 8px; }
.methods label { display: flex; align-items: center; gap: 10px; margin: 0; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink); font-size: 15px; cursor: pointer; }
.methods input { width: auto; }
.banner { background: var(--warn-bg); color: var(--warn-ink); border-radius: 8px; padding: 10px 14px; font-size: 14px; margin-bottom: 12px; }
.card.frame { padding: 0; overflow: hidden; }
.frame-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 16px; font-size: 14px; border-bottom: 1px solid var(--line); }
#payframe { display: block; width: 100%; height: 780px; border: 0; background: #fff; }
.mark { width: 52px; height: 52px; border-radius: 50%; margin-bottom: 14px; border: 3px solid var(--line); position: relative; }
.mark.ok { border-color: var(--ok); }
.mark.ok::after { content: ""; position: absolute; left: 17px; top: 9px; width: 11px; height: 22px; border: solid var(--ok); border-width: 0 3px 3px 0; transform: rotate(45deg); }
.mark.bad { border-color: var(--bad); }
.mark.bad::before, .mark.bad::after { content: ""; position: absolute; left: 22px; top: 11px; width: 3px; height: 24px; background: var(--bad); transform: rotate(45deg); }
.mark.bad::after { transform: rotate(-45deg); }
.mark.wait { border-top-color: var(--blue); animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .mark.wait { animation: none; } }
.foot { margin: 22px 4px 0; color: var(--soft); font-size: 13px; }
.foot p { margin: 6px 0; }
body.embedded .brand { display: none; }
body.embedded .wrap { padding: 4px 2px 12px; }
body.return .wrap { padding-top: 40px; }
body.wide .wrap { max-width: 1060px; }
@media (max-width: 520px) {
  .wrap { padding: 16px 10px 28px; }
  .card { padding: 20px 16px; }
  input.code { font-size: 26px; }
  #payframe { height: 820px; }
}