html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Arial', sans-serif;
    background-color: #f3f3f3;
}

/* 전체 페이지 수직 구조 */
.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 로그인 박스를 가운데 정렬 */
.content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2em;
}

/* 로그인 박스 */
.login-container {
    background: white;
    padding: 2em;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
    width: 350px;
    box-sizing: border-box;
}

.login-container h2 {
    text-align: center;
    margin-bottom: 1em;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1em;
}

.form-group label {
    font-weight: bold;
    margin-bottom: 0.5em;
}

.form-group input {
    padding: 0.7em;
    font-size: 1em;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
}

button {
    width: 100%;
    padding: 0.75em;
    border: none;
    border-radius: 5px;
    background-color: #337dc3;
    color: white;
    font-weight: bold;
    cursor: pointer;
    font-size: 1em;
}

button:hover {
    background-color: #286aa0;
}

.flashes {
    color: red;
    font-size: 0.9em;
    list-style-type: none;
    padding: 0;
    margin-top: 1em;
    text-align: center;
}


/* 회원가입 버튼 */
.signup-button {
    display: block;
    margin-top: 1em;
    text-align: center;
    padding: 0.75em;
    background-color: #16a838;
    color: white;
    font-weight: bold;
    border-radius: 5px;
    text-decoration: none;
    transition: background-color 0.3s;
}
.signup-button:hover {
    background-color: #555;
}