/* --- [신규] side_project/assets/css/style.css --- */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    background-color: #f4f7f6;
    margin: 0;
    padding: 20px;
}
.container {
    max-width: 960px;
    margin: 0 auto;
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}
header {
    text-align: center;
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 20px;
    margin-bottom: 30px;
}
header h1 { color: #333; margin: 0; }
header p { font-size: 1.1rem; color: #555; }
.breadcrumb {
    text-align: left;
    margin-bottom: 20px;
}
.breadcrumb a {
    color: #0056b3;
    text-decoration: none;
    font-weight: 500;
}
.breadcrumb a:hover { text-decoration: underline; }

/* --- 계산기 + 콘텐츠 영역 스타일 --- */
.content-wrapper {
    display: flex;
    flex-wrap: wrap; /* 화면 작아지면 수직 정렬 */
    gap: 30px;
}

/* 1. 계산기 폼 스타일 */
.calculator-form {
    flex: 1; /* 1:1 비율 */
    min-width: 300px;
    background-color: #fdfdfd;
    border: 1px solid #eee;
    border-radius: 8px;
    padding: 25px;
}
.calculator-form h2 {
    text-align: center;
    margin-top: 0;
    margin-bottom: 20px;
    color: #444;
}
.form-group {
    margin-bottom: 15px;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #555;
}
.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select {
    width: calc(100% - 20px); /* padding 고려 */
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
    background-color: #fff;
}
.form-group .input-unit {
    display: flex;
    align-items: center;
}
.form-group .input-unit input {
    flex: 1;
}
.form-group .input-unit span {
    margin-left: 10px;
    font-size: 1rem;
    color: #555;
}

/* 라디오 버튼 스타일 */
.radio-group label {
    font-weight: normal;
    margin-right: 15px;
}
.radio-group input[type="radio"] {
    margin-right: 5px;
}

/* 날짜 분리 입력창 (만 나이) */
.date-inputs {
    display: flex;
    gap: 10px;
}
.date-inputs input {
    flex: 4;
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
    background-color: #fff;
    -moz-appearance: textfield;
}
.date-inputs input::-webkit-outer-spin-button,
.date-inputs input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.date-inputs input:nth-child(2),
.date-inputs input:nth-child(3) {
    flex: 3;
    text-align: center;
}

/* 계산하기 버튼 */
.calculate-btn {
    width: 100%;
    padding: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    background-color: #0056b3;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
}
.calculate-btn:hover {
    background-color: #004080;
}

/* 2. 결과 표시 영역 스타일 (공통) */
.result-area {
    flex: 1; /* 1:1 비율 */
    min-width: 300px;
    background-color: #f8f9fa;
    border: 1px solid #e7e7e7;
    border-radius: 8px;
    padding: 25px;
    display: none; /* 계산 전에는 숨김 */
}
.result-area h2 {
    text-align: center;
    margin-top: 0;
    color: #444;
}

/* 3. (애드센스용) 콘텐츠 영역 스타일 */
.content-block {
    flex-basis: 100%; /* 너비 100%로 설정하여 계산기 아래에 위치 */
    margin-top: 30px;
    background-color: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    padding: 25px;
}
.content-block h3 {
    color: #333;
    border-bottom: 1px solid #f0f0f0;
    padding-bottom: 10px;
}
.content-block p, .content-block li {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.7;
}

/* 테이블 공통 (부동산, BMI 등) */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    font-size: 0.9rem;
}
.data-table th, .data-table td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
}
.data-table th {
    background-color: #f9f9f9;
}
.data-table td:nth-child(2), .data-table td:nth-child(3) {
    text-align: center;
}

/* 개별 계산기 결과 스타일 (D-Day, 퍼센트 등) */
.calculator-stack {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.calculator-stack .calculator-form h2 {
    font-size: 1.3rem;
}
.calculator-stack .calculate-btn {
    padding: 10px;
    font-size: 1rem;
}
.calc-result {
    margin-top: 20px;
    padding: 15px;
    background-color: #f8f9fa;
    border: 1px solid #e7e7e7;
    border-radius: 8px;
    text-align: center;
}
.calc-result p {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 600;
    color: #0056b3; /* 기본 파란색 */
}
.calc-result .sub-text {
    font-size: 0.9rem;
    color: #555;
    font-weight: normal;
    margin-top: 5px;
}

/* 푸터 */
footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    font-size: 0.9rem;
    color: #888;
}

/* --- BMI 페이지 전용 스타일 --- */
.result-area.bmi-result {
    text-align: center;
}
#resultBmiValue {
    font-size: 4rem;
    font-weight: 700;
    margin: 10px 0;
}
#resultCategory {
    font-size: 1.5rem;
    font-weight: 600;
    padding: 5px 15px;
    border-radius: 20px;
    color: #fff;
}
#resultIdealWeight {
    margin-top: 20px;
    font-size: 1rem;
    color: #555;
    background-color: #fff;
    padding: 10px;
    border-radius: 4px;
    border: 1px solid #eee;
}
.status-underweight { background-color: #3498db; }
.status-normal { background-color: #2ecc71; }
.status-overweight { background-color: #f1c40f; }
.status-obese1 { background-color: #e67e22; }
.status-obese2 { background-color: #c0392b; }

/* (여기에 다른 계산기들의 고유 스타일도 추가...) */
/* --- Real Estate Fee Calculator Styles --- */
.result-area .result-item {
    background-color: #fff;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 4px;
    border: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.result-area .result-item p {
    margin: 0;
    font-size: 0.95rem;
    color: #444;
    font-weight: 500;
}
.result-area .result-item .result-value {
    font-size: 1.05rem;
    font-weight: 600;
    color: #333;
}
.result-area .result-item .result-value.highlight {
    font-size: 1.5rem;
    font-weight: 700;
    color: #d90429; /* 최종 보수 강조 */
}
#result-vat-notice {
    text-align: right;
    font-size: 0.9rem;
    color: #555;
    margin-top: 10px;
}
.fee-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    font-size: 0.9rem;
}
.fee-table th, .fee-table td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
}
.fee-table th {
    background-color: #f9f9f9;
}
.fee-table td:nth-child(2), .fee-table td:nth-child(3) {
    text-align: center;
}
/* --- Savings Interest Calculator Styles --- */
.result-area .result-item .result-value.highlight {
    font-size: 1.4rem;
    font-weight: 700;
    color: #0056b3; /* 총 수령액 강조 */
}
.result-area .result-item .result-value.tax {
    color: #d90429; /* 세금 강조 */
}

/* --- Index Page Card Styles (tool-grid, tool-card) --- */
main h2 {
    text-align: center;
    color: #444;
    margin-bottom: 25px;
}
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}
.tool-card {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s, box-shadow 0.2s;
    background-color: #fff;
}
.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}
.tool-card h3 {
    margin-top: 0;
    color: #0056b3;
}
.tool-card p {
    font-size: 0.95rem;
    color: #666;
}