body {
    background-color: #1a1a1d;
    color: #e0e0e0;
    font-family: 'Arial', sans-serif;
    font-size: 16px; /* Увеличен размер шрифта */
    line-height: 1.5;
}

.navbar {
    background-color: #1f1f1f;
    text-align: center;
}

.navbar-brand {
    font-family: 'Arial', sans-serif;
    font-size: 24px; /* Увеличен размер шрифта */
    color: #00afff !important;
}

.logo-text {
    color: #ffffff;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.user-avatar i {
    color: #ffffff;
}

.dropdown-menu-right {
    background-color: #2c2c2c;
    color: #e0e0e0;
}

.dropdown-item {
    color: #e0e0e0;
}

.dropdown-item:hover {
    background-color: #1f1f1f;
    color: #fff;
}

.tab-container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.tab-button {
    color: #4198e5;
    padding: 8px;
    border-radius: 10px;
    margin: 3px;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    background-color: #1a222c;
    transition: background-color 0.3s;
    width: 28%;
}

.tab-button i {
    font-size: 22px; /* Увеличен размер иконок */
    margin-bottom: 2px;
}

.tab-button span {
    font-size: 14px; /* Увеличен размер текста */
}

.tab-button.active {
    background-color: #4198e5;
    color: #fff;
}

.card {
    background-color: #2c2c2c;
    border: none;
    color: #e0e0e0;
    margin-bottom: 10px;
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
}

.card-title {
    color: #00afff;
}

.card-title .white-text {
    color: #ffffff;
}

.list-group-item {
    background-color: #2c2c2c;
    border: none;
    color: #e0e0e0;
}

.btn-primary, .btn-success, .btn-secondary, .btn-info, .btn-warning, .btn-link {
    border: none;
    transition: background-color 0.3s;
    width: 100%;
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-success:hover {
    background-color: #218838;
}

.btn-secondary:hover {
    background-color: #6c757d;
}

.btn-info:hover {
    background-color: #17a2b8;
}

.btn-warning:hover {
    background-color: #ffc107;
}

.btn-link {
    text-decoration: none;
    color: white;
    text-align: left;
}

.footer {
    margin-top: 10px;
    padding: 5px 0;
    text-align: center;
    background-color: #1f1f1f;
    border-top: 1px solid #333;
    color: #e0e0e0;
}

.content-area {
    display: none;
    background-color: #1a222c;
    border-radius: 10px;
    padding: 10px;
    color: #e0e0e0;
}

.content-area.active {
    display: block;
}

.btn-group .btn {
    background-color: #2c2c2c;
    color: #e0e0e0;
}

.btn-group .btn:hover {
    background-color: #4198e5;
    color: #fff;
}

.button-container {
    margin-bottom: 15px;
}