// ─── Page shell ─────────────────────────────────────────────────────────────

.page {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: linear-gradient(135deg, #1e40af 0%, #2563eb 40%, #0ea5e9 100%);

  @media (max-width: 480px) {
    align-items: flex-end;
    padding: 0;
  min-height: 50dvh;

  }
}

// ─── Card ────────────────────────────────────────────────────────────────────

.card {
  background: #ffffff;
  border-radius: 24px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
  overflow: hidden;

  @media (max-width: 480px) {
    border-radius: 24px 24px 0 0;
    max-width: 100%;
    box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.15);
  }

  &__header {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
    padding: 32px 28px 28px;
    text-align: center;

    @media (max-width: 480px) {
      padding: 28px 24px 24px;
    }
  }

  &__title {
    color: #ffffff;
    font-size: 22px;
    font-weight: 700;
    margin: 14px 0 4px;
    letter-spacing: -0.3px;
  }

  &__subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
    margin: 0;
  }

  &__body {
    padding: 28px 28px 20px;

    @media (max-width: 480px) {
      padding: 24px 20px 16px;
    }
  }

  &__footer {
    padding: 0 28px 24px;
    display: flex;
    justify-content: center;

    @media (max-width: 480px) {
      padding: 0 20px 32px;
    }
  }
}

// ─── Logo ────────────────────────────────────────────────────────────────────

.sbp-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border-radius: 16px;
  padding: 12px 20px;
  border: 1px solid rgba(255, 255, 255, 0.25);

  img {
    height: 40px;
    display: block;

    @media (max-width: 480px) {
      height: 34px;
    }
  }
}

// ─── Field ───────────────────────────────────────────────────────────────────

.field {
  margin-bottom: 16px;

  &__label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #64748b;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
  }

  &__error {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: #ef4444;
    font-weight: 500;
  }
}

// ─── Amount input ────────────────────────────────────────────────────────────

.input-wrap {
  display: flex;
  align-items: center;
  border: 2px solid #e2e8f0;
  border-radius: 14px;
  background: #f8fafc;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;

  &:focus-within {
    border-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
    background: #ffffff;
  }

  &--error {
    border-color: #ef4444;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
  }

  &__prefix {
    padding: 0 4px 0 18px;
    font-size: 26px;
    font-weight: 700;
    color: #2563eb;
    user-select: none;
    line-height: 1;
  }

  &__input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 16px 16px 16px 8px;
    font-size: 32px;
    font-weight: 700;
    color: #0f172a;
    outline: none;
    min-width: 0;
    font-family: inherit;

    &::placeholder {
      color: #cbd5e1;
    }

    // Remove number spinners
    &::-webkit-outer-spin-button,
    &::-webkit-inner-spin-button {
      -webkit-appearance: none;
      margin: 0;
    }
    -moz-appearance: textfield;

    @media (max-width: 480px) {
      font-size: 28px;
      padding: 14px 14px 14px 6px;
    }
  }
}

// ─── Currency badge ──────────────────────────────────────────────────────────

.currency-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #f1f5f9;
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 20px;

  &__flag {
    font-size: 22px;
    line-height: 1;
  }

  &__code {
    font-size: 15px;
    font-weight: 700;
    color: #0f172a;
  }

  &__name {
    font-size: 13px;
    color: #64748b;
    margin-left: auto;
  }
}

// ─── Pay button ──────────────────────────────────────────────────────────────

.pay-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 17px 24px;
  background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
  color: #ffffff;
  border: none;
  border-radius: 14px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.2px;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s, box-shadow 0.15s;
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.38);
  font-family: inherit;

  @media (max-width: 480px) {
    padding: 16px 24px;
    font-size: 16px;
  }

  &:hover {
    opacity: 0.92;
    box-shadow: 0 8px 28px rgba(37, 99, 235, 0.45);
  }

  &:active {
    transform: scale(0.98);
    opacity: 0.88;
  }

  &__icon {
    display: flex;
    align-items: center;
  }
}

// ─── Secure badge ────────────────────────────────────────────────────────────

.secure-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #94a3b8;
  font-weight: 500;

  svg {
    flex-shrink: 0;
  }
}