body {
    color: var(--tg-theme-text-color);
    background: var(--tg-theme-bg-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 18px;
}

.hint {
    color: var(--tg-theme-hint-color);
}

.link {
    color: var(--tg-theme-link-color);
}

.button {
    background: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
    border: none;
    font-size: 18px;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
}

.button:not(:last-child) {
    margin-bottom: 20px;
}

#usercard {
    text-align: center;
    margin-top: 20px;
}

#loginForm {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
}

#loginForm input {
    margin: 5px 0;
    padding: 10px;
    font-size: 16px;
    border: 1px solid var(--tg-theme-hint-color);
    border-radius: 5px;
    width: 200px;
}

#loginForm button {
    margin-top: 10px;
}
#calendar {
        margin-top: 20px;
    }

    .day {
        display: inline-block;
        width: 30px;
        height: 30px;
        line-height: 30px;
        margin: 2px;
        text-align: center;
        border-radius: 50%;
    }

.present {
    background-color: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
}
.week {
        display: flex;
        justify-content: center;
    }
.admin {
    margin-top: 20px;
}