.bbob-main {
    padding: 20px 0 10px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.bbob-intro h2 {
    margin: 0 0 8px;
}

.bbob-intro p {
    margin: 0;
    font-size: 0.9em;
    color: #444444;
}

.bbob-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.bbob-card {
    border: 1px solid #dddddd;
    background: #ffffff;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.bbob-card h3 {
    margin: 0;
    font-size: 0.88em;
    font-weight: 600;
    font-family: var(--font-mono);
}

.bbob-canvas {
    width: 100%;
    display: flex;
    justify-content: center;
    background: #f5f4ef;
    border: 1px solid #eeeeee;
    overflow: hidden;
}

.bbob-canvas canvas {
    display: block;
    width: 100% !important;
    height: auto !important;
}

.bbob-source {
    margin: 0;
    padding: 8px 10px;
    background: #f5f4ef;
    border: 1px solid #eeeeee;
    font-family: var(--font-mono);
    font-size: 0.72em;
    color: #555555;
    line-height: 1.5;
    white-space: pre-wrap;
    max-height: 98px;
    overflow: hidden;
}

@media (max-width: 720px) {
    .bbob-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1024px) {
    .bbob-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .bbob-card {
        padding: 10px;
    }
}