body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f7f6;
    color: #333;
    line-height: 1.6;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.container {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 600px;
    margin-bottom: 20px;
}

h2, h3 {
    color: #0056b3;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
    margin-top: 0;
}

/* 폼 스타일 */
label {
    display: block;
    margin-top: 15px;
    font-weight: bold;
}

/* style.css 파일에서 아래 부분을 찾아 수정/추가하세요 */

/* 기존 코드: input[type="text"], input[type="password"] { ... } */
/* 변경 코드: select 태그 추가 */
input[type="text"], input[type="password"], select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-sizing: border-box;
    font-size: 16px;
    transition: 0.3s;
    background-color: white; /* 배경색 명시 */
}

input:focus, select:focus {
    border-color: #4a90e2;
    outline: none;
}

button[type="submit"] {
    background-color: #007bff;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 20px;
    font-size: 16px;
    transition: background-color 0.3s;
}

button[type="submit"]:hover {
    background-color: #0056b3;
}

/* 테이블 스타일 */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    font-size: 14px;
}

th, td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: center;
}

th {
    background-color: #e9ecef;
    color: #333;
    font-weight: bold;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

/* 링크 스타일 */
a {
    color: #007bff;
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: #0056b3;
    text-decoration: underline;
}

/* 메시지 스타일 */
.message {
    padding: 15px;
    margin-top: 20px;
    border-radius: 5px;
    font-weight: bold;
}
.success { background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.error { background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.info { background-color: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }