body {
    font-family: 'Arial', sans-serif;
    background-color: #f7f7f7;
    padding: 20px;
    color: #333;
}

h1 {
    text-align: center;
}

.container {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.left-section, .right-section {
    flex: 1;
    min-width: 300px;
}

.left-section h2, .right-section h2 {
    margin-bottom: 10px;
    margin-top: 10px;
}

input, button {
    display: block;
    width: 100%;
    margin-bottom: 10px;
    padding: 8px;
    font-size: 16px;
    box-sizing: border-box;
}

input {
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    background-color: #0077cc;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

/* 생일 카드 스타일 */
.month {
    background-color: #fff;
    padding: 10px 20px;
    margin-bottom: 10px;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.month h3 {
    margin-bottom: 5px;
    color: #0077cc;
}

.birthday {
    margin-left: 20px;
}

/* 반응형 */
@media (max-width: 768px) {
    body {
        padding: 10px;
        font-size: 16px;
    }

    h1 {
        font-size: 24px;
    }

    input, button {
        width: 100%;
        margin-bottom: 10px;
    }

    .month {
        padding: 10px;
    }
}

.date-row {
    display: flex;
    gap: 10px;
}

.date-row select {
    flex: 1;
}

select {
    display: inline-block;
    padding: 8px;
    font-size: 16px;
    width: 100%;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
    background-color: white;
    appearance: none; /* 기본 브라우저 스타일 제거 (선택) */
}

#calendarContainer {
    max-width: 600px;
    margin: 20px auto;
    text-align: center;
}

#calendarGrid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 5px;
}

.calendar-day {
    border: 1px solid #ccc;
    padding: 10px;
    height: 100px;
    position: relative;
    background-color: #fff;
}

.calendar-day.today {
    background-color: #e0ffe0;
    border: 2px solid #4CAF50;
}

.birthday-name {
    font-size: 0.8em;
    color: #333;
    margin-top: 5px;
}

.calendar-btn {
  flex: 1;
  padding: 12px;
  background-color: #0078D4;
  color: white;
  border: none;
  border-radius: 6px;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.2s;
}

.calendar-btn:hover {
  background-color: #005fa3;
}

.count {
  font-size: 0.8em;
  color: gray;
  margin-left: 5px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.edit-btn, .delete-btn {
  background-color: transparent;
  border: none;
  padding: 4px 8px;
  font-size: 16px;
  cursor: pointer;
  color: #fff; /* 필요하면 버튼 색 조절 */
  width: auto;
  height: auto;
  line-height: 1;
  border-radius: 4px;
  transition: background-color 0.3s;
}

.edit-btn:hover {
  background-color: #0056b3; /* 진한 파랑 */
}

.delete-btn:hover {
  background-color: #b30000; /* 진한 빨강 */
}

.birthday-actions {
  display: inline-flex;
  gap: 5px; /* 버튼 사이 간격 */
  margin-left: 10px; /* 이름과 버튼 사이 간격 */
  vertical-align: middle;
}

.edit-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

/* 모달 내용 박스 (중앙, 흰 배경, 약간 패딩) */
.edit-modal-content {
  background: white;
  padding: 20px;
  border-radius: 8px;
  width: 300px;
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
}