body {
  margin: 0;
  font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
  background-color: #313437;
  color: white;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
}

/* ✅ 중앙 고정 영역 */
.wrapper {
  width: 100%;
  max-width: 800px;
  padding: 24px;
  box-sizing: border-box;
}

/* ✅ 헤더 */
.header {
  text-align: center;
  margin-bottom: 24px;
}

.header h1 {
  font-size: 24px;
  font-weight: bold;
  color: #EAFF44;
}

/* ✅ 컨테이너 */
.donation-container {
  background-color: #2B2B2B;
  padding: 24px;
  border-radius: 14px;
  box-shadow: 0 0 20px rgba(0,0,0,0.3);
}

.donation-container h2 {
  color: #EAFF44;
  font-size: 20px;
  margin-bottom: 8px;
}

.desc {
  color: #ccc;
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 24px;
}

/* ✅ 금액 입력 영역 */
.currency-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-wrap {
  display: flex;
  align-items: center;
  background: #1F1F1F;
  border-radius: 10px;
  padding: 10px 14px;
}

#currencySymbol {
  font-size: 22px;
  margin-right: 8px;
  color: #EAFF44;
}

input[type="number"] {
  width: 100%;
  background: transparent;
  border: none;
  color: white;
  font-size: 22px;
  font-weight: bold;
  outline: none;
}

/* ✅ 체크박스 */
.checkbox-row {
  margin-top: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-row label {
  font-size: 15px;
  color: white;
}

/* ✅ 버튼 */
.donate-btn {
  width: 100%;
  background-color: #EAFF44;
  color: #000;
  font-weight: bold;
  font-size: 16px;
  padding: 16px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  margin-top: 30px;
  transition: 0.2s;
}

.donate-btn:hover {
  background-color: #FFFF6E;
}

/* ✅ 푸터 */
.footer {
  margin-top: 40px;
  text-align: center;
  color: #aaa;
  font-size: 13px;
}

/* ✅ 반응형 */
@media (max-width: 800px) {
  .wrapper {
    max-width: 100%;
    padding: 16px;
  }
}