body {
    font-family: Arial, sans-serif;
}

#calendarContainer {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
    max-width: 350px;
    z-index: 9999;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

#calendarContainer.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

#calendarHeader {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    color: #333;
    font-weight: bold;
}

#calendarHeader button {
    background-color: #fff;
    color: #333;
    border: none;
    padding: 1px 3px;
    border-radius: 5px;
    cursor: pointer;
}

#calendarDays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    gap: 5px;
    margin-top: 10px;
}

.day {
    padding: 7px;
    background-color: #fff;
    border-radius: 5px;
    cursor: pointer;
}

.day:hover {
    background-color: #f0e4d6;
}

.day.selected {
    background-color: #f06c64;
    color: #fff;
}

input[type="range"] {
    width: 100%;
    cursor: pointer;
}

#selectedTime {
    margin: 8px 0;
    text-align: center;
    font-size: 16px;
}

.confirm-button {
    background-color: #01aa44;
    color: #fff;
    border: none;
    padding: 10px 20px;
    margin-top: 15px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
}

.confirm-button:hover {
    background-color: #01993e;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.day.disabled {
    background-color: #fff;
    color: #a0a0a0;
    cursor: not-allowed;
}

.day.disabled:hover {
    background-color: #e0e0e0;
}

#dayAbbreviations {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    font-weight: bold;
    font-size: 14px;
    color: #444;
}

#dayAbbreviations div {
    border-bottom: 1px solid #ddd;
}

.calendar-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: #ddd;
    border-radius: 5px;
    outline: none;
    opacity: 0.9;
    transition: opacity 0.2s;
}

.calendar-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: #1449D7;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    transition: background 0.3s ease;
}

.calendar-slider::-webkit-slider-thumb:hover {
    background: #0f3aa9;
}

.calendar-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: #1449D7;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    transition: background 0.3s ease;
}

.calendar-slider::-moz-range-thumb:hover {
    background: #0f3aa9;
}