.optimization-card {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 25px;
    transition: all 0.3s ease;
}
.optimization-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}
.optimization-good {
    border-left: 4px solid #4CAF50;
}
.optimization-bad {
    border-left: 4px solid #f44336;
}
.optimization-tip {
    background: #e8f5e9;
    border-radius: 6px;
    padding: 15px;
    margin: 20px 0;
}
.performance-metric {
    display: inline-block;
    background: #2196f3;
    color: white;
    padding: 4px 10px;
    border-radius: 16px;
    font-size: 0.9em;
    margin-right: 10px;
    margin-bottom: 10px;
}
.comparison-table {
    margin: 25px 0;
}
.comparison-table th {
    background: #f5f5f5;
}
.chart-container {
    background: #fafafa;
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    position: relative;
}
.bar-chart {
    display: flex;
    align-items: flex-end;
    height: 200px;
    margin-top: 20px;
}
.bar {
    flex: 1;
    margin: 0 5px;
    background: #4CAF50;
    position: relative;
    border-radius: 4px 4px 0 0;
    transition: height 0.5s ease;
}
.bar-label {
    position: absolute;
    bottom: -25px;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0.85em;
}
.optimization-step {
    counter-reset: step;
    margin: 30px 0;
}
.optimization-step li {
    position: relative;
    padding-left: 50px;
    margin-bottom: 20px;
    list-style: none;
}
.optimization-step li:before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    width: 30px;
    height: 30px;
    background: #2196f3;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}