:root {
  color-scheme: dark;
  --bg: #080a10;
  --panel: rgba(20, 22, 31, .92);
  --border: rgba(255, 255, 255, .10);
  --text: #f7f8fb;
  --muted: #a6a8b7;
  --green: #00e68a;
  --orange: #f59e0b;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 15% 12%, rgba(0, 230, 138, .10), transparent 28rem),
    radial-gradient(circle at 85% 85%, rgba(245, 158, 11, .10), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: "Poppins", system-ui, sans-serif;
}

.donation-shell {
  width: min(100% - 32px, 620px);
  margin: 0 auto;
  padding: 36px 0 64px;
}

.back-link {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: .86rem;
  font-weight: 600;
  text-decoration: none;
}

.back-link:hover,
.back-link:focus-visible { color: var(--green); }

.donation-card {
  padding: clamp(24px, 6vw, 44px);
  border: 1px solid var(--border);
  border-radius: 26px;
  background: var(--panel);
  box-shadow: 0 28px 80px rgba(0, 0, 0, .42);
  text-align: center;
}

.donation-logo {
  width: min(190px, 52vw);
  height: auto;
  margin-bottom: 26px;
}

.donation-eyebrow {
  margin: 0 0 8px;
  color: var(--green);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .16em;
}

h1 {
  margin: 0;
  font-size: clamp(1.65rem, 5vw, 2.35rem);
  line-height: 1.15;
}

.donation-description {
  max-width: 470px;
  margin: 16px auto 26px;
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.65;
}

.qr-frame {
  width: min(100%, 310px);
  margin: 0 auto 22px;
  padding: 12px;
  border: 1px solid rgba(245, 158, 11, .32);
  border-radius: 20px;
  background: #fff;
}

.qr-frame img {
  display: block;
  width: 100%;
  border-radius: 12px;
}

.pay-id {
  width: min(100%, 390px);
  margin: 0 auto;
  text-align: left;
}

.pay-id > span {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.pay-id__value {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 13px 12px 16px;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: rgba(255, 255, 255, .04);
}

.pay-id__value strong {
  overflow-wrap: anywhere;
  font-size: 1rem;
  letter-spacing: .06em;
}

.pay-id__value button {
  padding: 8px 13px;
  border: 0;
  border-radius: 9px;
  background: var(--orange);
  color: #1d1200;
  font: inherit;
  font-size: .76rem;
  font-weight: 800;
  cursor: pointer;
}

.pay-id__value button:focus-visible,
.back-link:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

.donation-note {
  margin: 22px auto 0;
  color: #777b8c;
  font-size: .72rem;
  line-height: 1.55;
}

.copy-status {
  min-height: 1.25rem;
  margin: 10px 0 0;
  color: var(--green);
  font-size: .76rem;
  font-weight: 600;
}

@media (max-width: 480px) {
  .donation-shell { padding-top: 22px; }
  .donation-card { border-radius: 20px; }
}