body {
    background-color: #f8f9fa;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    position: relative;
}

.center-line {
    position: absolute;
    left: calc(50% - 2px);
    top: 0;
    bottom: 0;
    border-left: 4px solid #ddd;
}

.error-message {
    color: red;
    font-size: 14px;
    margin-top: 5px;
}

.login-form-text-link {
    margin-top: 5px;
}

/* Стили для полей ввода и кнопки */
.form-control, .btn {
    min-width: 250px;
    width: 30%;
}

#app {
    width: 100%;
    height: 100vh; /* vh - viewport height */
    position: absolute;
    top: 0;
    left: 0;
}

.registration-form-text-link {
    margin-top: 5px;
}

.dropdown-menu-right {
    right: 0;
    left: auto !important;
}

.context-menu {
    position: absolute;
    display: none;
    z-index: 1000;
}