/* 파스텔톤 컬러 팔레트 */
:root {
  --pastel-mint: #c3e8e5;
  /* 배경 주요 포인트 */
  --pastel-blue: #a0d8e8;
  /* 강조 색상 */
  --pastel-pink: #f7b7a3;
  /* 버튼 및 하이라이트 */
  --pastel-bg: #f0f8ff;
  /* 전체 배경 */
  --text-dark: #4a4a4a;
  --text-light: #6a6a6a;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 30px;
  background-color: var(--pastel-bg);
  color: var(--text-dark);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
}

.container {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  width: 100%;
  max-width: 650px;
}

h1 {
  text-align: center;
  color: var(--pastel-blue);
  margin-bottom: 25px;
  font-size: 2.2em;
  letter-spacing: -0.5px;
}

.input-group {
  margin-bottom: 15px;
  padding: 8px 0;
  border-bottom: 1px solid #eeeeee;
}

label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
  color: var(--text-light);
  font-size: 0.95em;
}

input[type="number"],
select {
  width: 100%;
  max-width: 150px;
  /* 입력 칸 너비 조정 */
  padding: 10px;
  border: 1px solid var(--pastel-mint);
  border-radius: 8px;
  box-sizing: border-box;
  font-size: 16px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

input[type="number"]:focus,
select:focus {
  border-color: var(--pastel-blue);
  box-shadow: 0 0 0 3px rgba(160, 216, 232, 0.4);
  outline: none;
}

.unit {
  margin-left: 10px;
  font-weight: bold;
  color: var(--pastel-pink);
}

.input-inline {
  display: flex;
  align-items: center;
}

.input-inline input {
  flex-grow: 1;
}

button {
  width: 100%;
  padding: 15px;
  background-color: #87CEEB;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.1em;
  font-weight: bold;
  margin-top: 30px;
  transition: background-color 0.3s, transform 0.1s;
}

button:hover {
  background-color: #6aabcf;
  /* 약간 어두운 파랑 */
  transform: translateY(-1px);
}

#result-area {
  margin-top: 35px;
  padding: 30px;
  background-color: #f0f8f8;
  /* 민트 계열 연한 배경 */
  border-radius: 10px;
  border-left: 5px solid var(--pastel-mint);
}

#result-area h2 {
  color: var(--pastel-blue);
  margin-top: 0;
  border-bottom: 2px solid var(--pastel-mint);
  padding-bottom: 10px;
  margin-bottom: 15px;
  font-size: 1.6em;
}

.result-item {
  margin: 10px 0;
  line-height: 1.6;
}

.highlight {
  font-weight: bold;
  color: var(--pastel-pink);
  font-size: 1.1em;
}

.summary-box {
  margin-top: 20px;
  padding: 15px;
  background-color: #e8f5f5;
  border-radius: 5px;
  border: 1px solid var(--pastel-mint);
}

.summary-box strong {
  color: var(--pastel-blue);
}

.category-title {
  background-color: #F9F4F5;
  padding: 8px 30px;
  margin: 15px -30px 10px -30px;
  font-weight: bold;
  color: var(--text-dark);
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
}

.required-mg {
  color: #d32f2f;
  font-weight: bold;
}