body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #a8e6cf, #dcedc8);
    color: #333;
}

.calendar {
    max-width: 800px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.header {
    text-align: center;
    margin-bottom: 20px;
}

.weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    margin-bottom: 10px;
}

.weekdays div {
    text-align: center;
    font-weight: bold;
    color: #2d5026;
}

.days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
}

.day {
    height: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1px solid #dcedc8;
    border-radius: 8px;
    background: #f7fff7;
    position: relative;
    cursor: pointer;
    transition: background 0.3s;
    overflow: visible;
}

.day:hover {
    background: #e8f8e8;
}

/* Dot indicator for event days */
.day.event::after {
    content: "";
    width: 6px;
    height: 6px;
    background: #ff5722;  /* Orange dot */
    border-radius: 50%;
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
}

/* Highlight today's date */
.day.today {
    background: #4a90e2;
    color: #fff;
}

/* Tooltip for events (hidden by default) */
.event-list {
    display: none;
    position: absolute;
    bottom: 70%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: #ffffff;
    padding: 6px 10px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    font-size: 0.8em;
    white-space: nowrap;
    z-index: 10;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Show tooltip on hover */
.day.event:hover .event-list {
    display: block;
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.event-list li {
    margin: 2px 0;
    text-align: center;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .calendar {
        padding: 10px;
    }
    .day {
        height: 50px;
        font-size: 0.9em;
    }
}