.flatpickr-calendar {
    background: #fff;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
    border-radius: 8px;
    border: 1px solid #ddd;
}

.flatpickr-day {
    color: #333;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.2s;
}

.flatpickr-day.flatpickr-disabled,
.flatpickr-day.prevMonthDay,
.flatpickr-day.nextMonthDay {
    color: #999 !important;
    background: #f5f5f5;
    opacity: 1 !important;
}

.flatpickr-day.available {
    background: #e3f2fd;
    color: #1976d2;
    font-weight: 600;
    border: 1px solid #bbdefb;
}

.flatpickr-day.selected {
    background: #1976d2 !important;
    color: white !important;
    border-color: #1976d2 !important;
    font-weight: bold;
}

.flatpickr-day.today {
    background: #ffeb3b;
    color: #333;
    border-color: #ffeb3b;
    font-weight: bold;
}

.flatpickr-day:hover {
    background: #bbdefb;
    color: #0d47a1;
}

.flatpickr-current-month {
    font-size: 1.1em;
    font-weight: 600;
    color: #333;
}

.flatpickr-weekday {
    color: #555;
    font-weight: 600;
}

.flatpickr-monthDropdown-months,
.numInputWrapper span {
    color: #333;
    font-weight: 600;
}

.flatpickr-prev-month, 
.flatpickr-next-month {
    color: #1976d2;
    fill: #1976d2;
}

.flatpickr-prev-month:hover, 
.flatpickr-next-month:hover {
    color: #0d47a1;
}