/* Темная тема */

body {
    background-color: #1c1c1e;
    color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.form-horizontal {
    background: #2e2e2e;
    color: #ffffff;
    border-radius: 15px;
    padding: 40px;
    text-align: center;
    max-width: 400px;
    width: 100%;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.form-horizontal .heading {
    font-size: 28px;
    font-weight: 700;
    padding-bottom: 20px;
    border-bottom: 1px solid #444;
    margin-bottom: 30px;
    color: #ffffff;
}

.form-horizontal .form-group {
    padding: 0 20px;
    margin: 0 0 20px 0;
    position: relative;
    width: 100%;
}

.form-horizontal .form-control {
    background: #444;
    border: none;
    border-radius: 20px;
    box-shadow: none;
    padding: 10px 20px;
    height: 40px;
    color: #ffffff;
    transition: all 0.3s ease 0s;
}

.form-horizontal .form-control:focus {
    background: #555;
    box-shadow: none;
    outline: 0 none;
    color: #ffffff;
}

.form-horizontal .form-group i {
    position: absolute;
    top: 50%;
    left: 15px;
    font-size: 17px;
    color: #c8c8c8;
    transform: translateY(-50%);
    transition: all 0.5s ease 0s;
}

.form-horizontal .form-control:focus + i {
    color: #00b4ef;
}

.form-horizontal .fa-question-circle {
    position: absolute;
    top: 50%;
    right: 15px;
    font-size: 20px;
    color: #808080;
    transform: translateY(-50%);
    transition: all 0.5s ease 0s;
}

.form-horizontal .fa-question-circle:hover {
    color: #ffffff;
}

.form-horizontal .btn {
    font-size: 14px;
    color: #ffffff;
    background: #00b4ef;
    border-radius: 30px;
    padding: 10px 25px;
    border: none;
    text-transform: capitalize;
    transition: all 0.5s ease 0s;
    width: 100%;
}

.form-horizontal .btn:hover {
    background: #008dcf;
}

.logo-container img {
    max-width: 150px;
    height: auto;
    margin-bottom: 0px;
}

/* Адаптивность для маленьких экранов */
@media only screen and (max-width: 479px) {
    .form-horizontal .form-group {
        padding: 0 15px;
    }

    .form-horizontal .btn {
        padding: 10px 20px;
    }
}