.ad-stats {
    max-width: 1100px;
    margin: 30px auto;
    background: #ffffff;
    border-radius: 8px;
    padding: 25px 30px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
}

.ad-stats h2 {
    font-size: 24px;
    margin-bottom: 10px;
    font-weight: 600;
}

.ad-stats h3 {
    font-size: 18px;
    margin-top: 25px;
    margin-bottom: 15px;
    font-weight: 600;
}

.ad-stats hr {
    margin: 25px 0;
    border: 0;
    border-top: 1px solid #e5e5e5;
}

.ad-stats table.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.ad-stats table.table thead th {
    background: #f5f7fb;
    padding: 10px 8px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
    font-weight: 600;
}

.ad-stats table.table tbody td {
    padding: 9px 8px;
    border-bottom: 1px solid #f0f0f0;
}

#ad_stats .chart-container,
.ad-stats canvas {
    max-width: 100%;
}

#calendar {
    border: 1px solid #e5e5e5;
    border-radius: 6px;
    padding: 10px;
    background: #fafafa;
}