.line-login-btn {
    background-color: #00C300;
    color: white;
    border-radius: 25px;
    border: 1px solid #ccc;
    padding: 15px 20px;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-bottom: 15px;
    margin-top: 15px;
    box-shadow: 0px 10px 40px 0px rgba(174, 174, 174, 0.20);
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    box-sizing: border-box;
}
.line-login-btn:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}
.line-icon {
    width: 24px;
    height: 24px;
    margin-right: 10px;
}
.register-link {
    color: #00C300;
    text-decoration: none;
    font-size: 14px;
}

/* 成功訊息樣式 */
.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
    padding: 10px 20px;
    border-radius: 4px;
    margin-bottom: 15px;
    font-size: 16px;
    display: flex;
    align-items: center;
}

/* 錯誤訊息樣式 */
.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
    padding: 10px 20px;
    border-radius: 4px;
    margin-bottom: 15px;
    font-size: 16px;
    display: flex;
    align-items: center;
}