:root {
    --calendar-width: clamp(200px, 100%, 350px);
    --calendar-overflow-width: 10px;
}

.calendar {
    width: 350px;
    background-color: var(--background-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    color: var(--text-color-main);
    margin-inline: var(--calendar-overflow-width);
}

@media (max-width: 440px) {
    .calendar {
        width: 100%;
        margin: 0;
    }
}

.calendar-day-description {
    display: flex;
    justify-content: space-between;
    padding: 20px;
    align-items: center;
    background-color: var(--light-gray);
    border-radius: 10px 0 0 0;
}

.calendar-day-description div h2,
.calendar-day-description div h3,
.calendar-day-description div h4,
.calendar-day-description div p {
    margin: 0;
}
.calendar-exceed {
    position: relative;
}
.calendar-exceed::after {
    content: "";
    position: absolute;
    right: calc(-1 * var(--calendar-overflow-width));
    top: 0;
    height: 100%;
    width: var(--calendar-overflow-width);
    background-color: var(--light-gray);
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
}
.calendar-header button {
    background-color: transparent;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    color: var(--text-color-main);
}
.calendar-header button[data-cursor="no"] {
    cursor: default;
}
.calendar-body {
    display: block;
}

#month-year {
    font-size: 1.2em;
    font-weight: bold;
}
.calendar-weekdays, .calendar-dates {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}
.calendar-weekdays div, .calendar-dates div {
    text-align: center;
    padding: 10px;
}
.calendar-weekdays {
    background-color: var(--light-gray);
}
.calendar-weekdays div {
    font-weight: bold;
}

.calendar-dates div {
    border-bottom: 1px solid var(--light-gray);
    position: relative;
    color: var(--text-color-main);
    cursor: pointer;
}
.calendar-dates .unselectable {
    cursor: default;
    color: var(--light-gray);
}


.calendar-dates .current-date.main-color {
    background-color: var(--text-color-main);
}

.calendar-dates .current-date {
    background-color: var(--light-gray);
}