.heatmap-container {
    font-family: sans-serif;
    color: #ccc;
    background-color: #0d1117;
    padding: 20px;
    border-radius: 10px;
    width: fit-content;
}

.heatmap-months {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    margin-bottom: 6px;
    color: #9ba3af;
}

.heatmap-grid {
    display: grid;
    grid-template-columns: repeat(53, 12px);
    grid-template-rows: repeat(7, 12px);
    gap: 3px;
}

.day-box {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    background-color: #161b22;
    transition: background-color 0.3s ease;
}

    .day-box:hover {
        filter: brightness(1.3);
    }

.level-0 {
    background-color: #161b22;
}

.level-1 {
    background-color: #0e4429;
}

.level-2 {
    background-color: #006d32;
}

.level-3 {
    background-color: #26a641;
}

.level-4 {
    background-color: #39d353;
}

.heatmap-legend {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 8px;
    font-size: 0.8rem;
    color: #9ba3af;
}