:root {
  color-scheme: light dark;
  --bg: #f2f3f5;
  --card: #ffffff;
  --text: #111111;
  --sub: #5b5b5f;
  --border: #e7e7ea;
  --accent: #aefb11;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111214;
    --card: #1a1b1f;
    --text: #f3f3f3;
    --sub: #adadb4;
    --border: #2b2c31;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(circle at 10% -10%, rgba(174,251,17,.25), transparent 45%), var(--bg);
  color: var(--text);
}

.locale-switcher {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 10;
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
}

@media (prefers-color-scheme: dark) {
  .locale-switcher {
    background: rgba(26, 27, 31, 0.82);
  }
}

.locale-chip {
  appearance: none;
  border: 0;
  border-radius: 999px;
  min-width: 42px;
  min-height: 32px;
  padding: 0 12px;
  background: transparent;
  color: var(--sub);
  font: inherit;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .04em;
}

.locale-chip.is-active {
  background: var(--accent);
  color: #111111;
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.landing {
  width: 100%;
  max-width: 640px;
}

.landing-shell {
  background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.88));
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 28px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.08);
}

@media (prefers-color-scheme: dark) {
  .landing-shell {
    background: linear-gradient(180deg, rgba(26,27,31,.98), rgba(22,23,27,.92));
  }
}

.landing-copy-block {
  margin-top: 18px;
}

.landing-kicker {
  margin: 0 0 10px;
  color: var(--sub);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.landing h1 {
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 4rem);
  line-height: .98;
  letter-spacing: -0.05em;
  max-width: 12ch;
}

.landing-copy {
  margin: 14px 0 0;
  max-width: 48ch;
  color: var(--sub);
  font-size: 1rem;
  line-height: 1.6;
}

.landing-points {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.landing-points span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255,255,255,.03);
  font-size: .9rem;
}

.card {
  width: 100%;
  max-width: 480px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.app {
  margin: 0;
  font-weight: 700;
  color: #2f5d00;
  display: inline-block;
  background: var(--accent);
  border-radius: 999px;
  padding: 4px 10px;
}

h1 { margin: 12px 0 6px; font-size: 1.4rem; }
.meta { margin: 0 0 14px; color: var(--sub); }
.eyebrow { margin: 0 0 4px; font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--sub); }
.hero-row { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0 4px; align-items: end; }
.hero-total { text-align: right; }
.hero-total strong, #mode { font-size: 1.05rem; }
.section-title { margin: 0 0 8px; font-size: .95rem; color: var(--sub); }
.subcopy { margin: 0; color: var(--sub); }
.people-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.people-list li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--border); border-radius: 14px; background: rgba(255,255,255,.02); }
.people-list strong { font-size: 1rem; }
.payment-card,
.info-card {
  margin-top: 8px;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  background: rgba(255,255,255,.02);
}
.payment-header-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}
.payment-template {
  margin: 0 0 4px;
  color: var(--sub);
  font-size: .85rem;
}

.payment-template-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.payment-template-icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  object-fit: contain;
  background: transparent;
  flex: 0 0 auto;
}

.payment-name {
  margin: 0;
  font-size: 1.1rem;
}
.payment-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--accent);
  color: #111111;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.payment-details {
  margin: 14px 0 0;
  display: grid;
  gap: 10px;
}
.detail-row {
  display: grid;
  grid-template-columns: minmax(110px, 140px) 1fr;
  gap: 10px;
}
.detail-row dt {
  color: var(--sub);
}
.detail-row dd {
  margin: 0;
  word-break: break-word;
  text-align: right;
}

.detail-value-row {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.detail-value-row > span {
  min-width: 0;
  word-break: break-word;
}

.detail-note-value-row {
  justify-content: space-between;
  align-items: flex-start;
  text-align: left;
}

.detail-note-value-row > span {
  text-align: left;
}

.copy-button {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0 10px;
  min-height: 30px;
  background: rgba(255,255,255,.04);
  color: var(--text);
  font: inherit;
  font-size: .76rem;
  font-weight: 700;
  white-space: nowrap;
  flex: 0 0 auto;
}

.copy-button.is-copied {
  background: var(--accent);
  color: #111111;
  border-color: transparent;
}

.copy-button:disabled {
  opacity: .7;
}
.note-row dd,
.note-row dt {
  text-align: left;
}
.qr-block {
  margin-top: 16px;
  display: flex;
  justify-content: center;
}
.qr-block img {
  width: min(100%, 240px);
  aspect-ratio: 1;
  object-fit: contain;
  padding: 10px;
  border-radius: 16px;
  background: #ffffff;
  border: 1px solid var(--border);
}
.privacy { margin: 0; color: var(--sub); font-size: .85rem; }
.download-label {
  margin: 12px 0 0;
  color: var(--sub);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.card > section,
.card > footer { margin-top: 20px; }
.download-badge-link {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.landing-badge-link {
  margin-top: 24px;
  justify-content: flex-start;
}

.error-badge-link {
  margin-top: 18px;
  justify-content: flex-start;
}

.download-badge {
  display: block;
  width: min(220px, 100%);
}

.download-badge img {
  display: block;
  width: 100%;
  height: auto;
}
.error h1 { margin: 0 0 8px; }
.error p { margin: 0; color: var(--sub); }

@media (max-width: 560px) {
  .locale-switcher {
    top: 12px;
    right: 12px;
  }

  .page {
    padding: 16px;
  }

  .card {
    padding: 18px;
  }

  .hero-row,
  .payment-header-row {
    flex-direction: column;
    align-items: start;
  }

  .hero-total {
    text-align: left;
  }

  .detail-row {
    grid-template-columns: 1fr;
  }

  .detail-row dd {
    text-align: left;
  }

  .payment-link {
    width: 100%;
  }

  .download-badge {
    width: min(220px, 100%);
  }

  .landing-shell {
    padding: 24px;
    border-radius: 24px;
  }

  .landing h1 {
    max-width: 10ch;
  }
}