.calendar {
    width: 100%;
    background-color: #fff;
    border-radius: 6px;
    border: 1px solid #cbd5e0;
    padding: 0;
    position: relative;
    overflow: hidden;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 8px 0;
    font-size: 18px;
    font-weight: 600;
    color: #2d3748;
}

.calendar-body {
    padding: 0 8px 8px;
}

.calendar-week-day {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    height: 36px;
    font-weight: 600;
}

.calendar-week-day div {
    display: grid;
    place-items: center;
    color: #a0aec0;
    font-size: 13px;
    font-family: 'BPGIngiri2008Regular', sans-serif;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}

.calendar-days div {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 5px;
    position: relative;
    animation: calendar-fade-in .35s forwards;
    font-family: 'BPGIngiri2008Regular', sans-serif;
}

.calendar-day-hover a {
    display: grid;
    place-items: center;
    width: 28px;
    height: 26px;
    text-align: center;
    color: #1a202c;
    font-size: 14px;
    font-weight: 700;
    border-radius: 6px;
    text-decoration: none;
    transition: background-color .2s, color .2s;
    font-family: 'BPGIngiri2008Regular', sans-serif;
}

.calendar-day-hover a:hover {
    background-color: #edf2f7;
    color: #1a202c;
}

.calendar-days .calendar-day-hover.curr-date a {
    background: var(--tg-secondary-color);
    color: #fff;
}

.calendar .month-picker {
    padding: 4px 10px;
    border-radius: 8px;
    cursor: pointer;
    color: var(--tg-secondary-color);
    font-size: 16px;
    user-select: none;
    font-family: 'BPGIngiri2008Regular', sans-serif;
}

.calendar .month-picker:hover {
    background-color: #edf2f7;
}

.calendar .year-picker {
    display: flex;
    align-items: center;
    gap: 8px;
}

.calendar .year-change {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    cursor: pointer;
    color: #718096;
    user-select: none;
    transition: background-color .2s;
}

.calendar .year-change:hover {
    background-color: #edf2f7;
    color: #2d3748;
}

.calendar #year {
    color: var(--tg-secondary-color);
    font-size: 16px;
    min-width: 42px;
    text-align: center;
    font-family: 'BPGIngiri2008Regular', sans-serif;
}

.calendar .month-list {
    position: absolute;
    top: 50px;
    left: 8px;
    right: 8px;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    padding: 8px;
    background: var(--tg-secondary-color);
    border-radius: 8px;
    transform: scale(.95);
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    z-index: 10;
    display: grid;
    transition: transform .2s ease, opacity .2s ease, visibility .2s ease;
}

.calendar .month-list.show {
    transform: scale(1);
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

.calendar .month-list > div > div {
    padding: 8px 6px;
    border-radius: 6px;
    text-align: center;
    cursor: pointer;
    color: #fff;
    font-size: 13px;
    transition: background-color .15s, color .15s;
}

.calendar .month-list > div > div:hover {
    background: #fff;
    color: #3f4987;
}

@keyframes calendar-fade-in {
    from { transform: translateY(8px); opacity: 0; }
    to   { transform: translateY(0);   opacity: 1; }
}
span#prev-year i {
    rotate: unset;
    display: block;
    transform: rotate(180deg);
    margin-top: -8px;
}