.flatpickr-calendar {
    background-color: #202124 !important;
    width: 750px !important;
    padding: 30px !important; 
    border: none !important;
    border-radius: 8px !important;
    box-shadow: 0 24px 38px 3px rgba(0,0,0,0.14), 0 9px 46px 8px rgba(0,0,0,0.12) !important;
    position: fixed !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    z-index: 99999 !important;
}

.flatpickr-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 99998;
    display: none;
}

.flatpickr-calendar:before, .flatpickr-calendar:after { display: none !important; }

.custom-cal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #3c4043; 
    padding-bottom: 15px; 
    margin-bottom: 15px; 
}

.header-dates-container {
    display: flex;
    gap: 10px;
    background: #303134;
    padding: 5px;
    border-radius: 8px;
}

.custom-date-display {
    background: transparent;
    color: #e8eaed;
    font-size: 0.95rem;
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    min-width: 120px;
    text-align: center;
}

.custom-date-display.active {
    background: #202124;
    color: #8ab4f8;      
    box-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.reset-btn {
    background: none;
    border: none;
    color: #8ab4f8;
    font-size: 0.9rem;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 4px;
}
.reset-btn:hover { background: rgba(138, 180, 248, 0.1); }

.flatpickr-months { background: transparent !important; }
.flatpickr-month { background: transparent !important; color: #e8eaed !important; }
.flatpickr-current-month { padding: 0 !important; font-weight: 500 !important; }
.flatpickr-current-month .flatpickr-monthYear-month { color: #e8eaed !important; font-size: 1.1rem; }
.cur-year { color: #e8eaed !important; }

.flatpickr-innerContainer { background: transparent !important; }
.flatpickr-weekdays { background: transparent !important; margin-bottom: 10px; }

span.flatpickr-weekday {
    background: transparent !important;
    color: #9aa0a6 !important; 
    font-weight: normal !important;
    font-size: 0.85rem !important;
}

.flatpickr-day {
    background: transparent;
    border: none !important;
    color: #e8eaed !important;
    max-width: 48px !important;
    height: 48px !important;
    line-height: 48px !important;
    margin: 0 auto !important;
    font-size: 0.95rem !important;
}

.flatpickr-day.inRange {
    background: #394457 !important;
    box-shadow: -10px 0 0 #394457, 10px 0 0 #394457 !important;
    border-radius: 0 !important;
}

.flatpickr-day.selected.startRange,
.flatpickr-day.selected.endRange,
.flatpickr-day.selected {
    background: #8ab4f8 !important;
    color: #202124 !important;
}

.flatpickr-day.selected.startRange { border-radius: 50px 0 0 50px !important; }
.flatpickr-day.selected.endRange { border-radius: 0 50px 50px 0 !important; }
.flatpickr-day.selected.startRange.endRange { border-radius: 50px !important; }

.flatpickr-day.today {
    border: 1px solid #e8eaed !important;
    border-radius: 50% !important;
}

.flatpickr-day.flatpickr-disabled { color: #5f6368 !important; }

.flatpickr-months, .flatpickr-weekdays, .flatpickr-days {
    display: flex !important;
    gap: 40px !important;
    width: 100% !important;
}

.flatpickr-month, .flatpickr-weekdaycontainer, .dayContainer {
    width: calc(50% - 20px) !important;
    flex: 1 !important;
    min-width: calc(50% - 20px) !important;
}

.flatpickr-prev-month, .flatpickr-next-month {
    position: absolute !important;
    top: 50% !important; 
    transform: translateY(-50%) !important; 
    background-color: #303134 !important;
    border-radius: 50% !important;
    width: 50px !important;
    height: 50px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    z-index: 10 !important;
}
.flatpickr-prev-month { left: -18px !important; }
.flatpickr-next-month { right: -18px !important; }
.flatpickr-prev-month svg, .flatpickr-next-month svg { fill: #8ab4f8 !important; width: 12px !important; }

.custom-cal-footer {
    display: flex;
    justify-content: flex-end;
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid #3c4043;
}

.done-btn {
    background-color: #8ab4f8;
    color: #202124;
    border: none;
    padding: 10px 24px;
    border-radius: 20px;
    font-weight: bold;
    cursor: pointer;
}

.done-btn:hover {
    background-color: #a3c5f9 !important; 
}

@media screen and (max-width: 768px) {
    .flatpickr-calendar {
        width: 90vw !important;
        max-width: 340px !important;
        padding: 15px !important;
    }
    .flatpickr-months, .flatpickr-weekdays, .flatpickr-days { gap: 0 !important; }
    .flatpickr-month:nth-child(2), .flatpickr-weekdaycontainer:nth-child(2), .dayContainer:nth-child(2) { display: none !important; }
    .flatpickr-month, .flatpickr-weekdaycontainer, .dayContainer { width: 100% !important; min-width: 100% !important; }
    .flatpickr-day { max-width: 40px !important; height: 40px !important; line-height: 40px !important; }
    .custom-cal-header { flex-direction: column-reverse; gap: 12px; }
}