.date-picker {
    position: relative;
}

#dateInput {
    width: 100%;
    padding: 8px;
    border-radius: 8px;
    border: 1px solid #444;
    background-color: #222;
    color: white;
    cursor: pointer;
    font-size: 1rem;
}

.calendar {
    position: absolute;
    top: 110%;
    left: 0;
    background: #111;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.7);
    width: 100%;
    user-select: none;
    z-index: 10;
}

.calendar-header {
    display: flex;
    align-items: center;
    color: #fff;
    font-size: 1rem;
}

#monthYear {
    flex: 1;
    padding-top: 2rem;
    text-align: center;
}

.calendar-header button {
    background: transparent;
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
}

.day-names,
.dates {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    color: #ddd;
    padding: 0.25rem 0.25rem;
}

.dates div {
    padding: 0.25rem;
    cursor: pointer;
    border-radius: 4px;
}

.dates div:hover {
    background-color: #444;
}

.dates div.disabled {
    color: #666;
    cursor: not-allowed;
}

.dates div.selected {
    background-color: #e5af53;
    color: white;
}