.main-content {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 32px;
    align-items: start;
}
.config-panel {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    border: 1px solid #e2e8f0;
}
.summary-panel {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    border: 1px solid #e2e8f0;
    position: sticky;
    top: 24px;
}
.config-section {
    margin-bottom: 40px;
}
.config-section:last-child {
    margin-bottom: 0;
}
.config-section span.h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.option-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}
.option-card {
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}
.option-card:hover {
    border-color: #3b82f6;
    background: #fefefe;
}
.option-card.selected {
    border-color: #3b82f6;
    background: #eff6ff;
}
.option-card.selected::after {
    content: "✓";
    position: absolute;
    top: 12px;
    right: 12px;
    width: 20px;
    height: 20px;
    background: #3b82f6;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}
.option-title {
    font-weight: 600;
    font-size: 1rem;
    color: #0f172a;
    margin-bottom: 4px;
}
.option-specs {
    font-size: 0.875rem;
    color: #64748b;
    margin-bottom: 8px;
}
.price {
    font-weight: 600;
    color: #059669;
    font-size: 0.875rem;
}
.slider-container {
    background: #f8fafc;
    padding: 24px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}
.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.slider-title {
    font-weight: 600;
    color: #0f172a;
}
.slider-value {
    background: #3b82f6;
    color: white;
    padding: 4px 12px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    width: 15%;
}
.slider {
    width: 80%;
    height: 6px;
    border-radius: 3px;
    background: #e2e8f0;
    outline: none;
    -webkit-appearance: none;
    margin: 8px 0;
}
.slider::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
}
.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
}
.summary-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 24px;
    text-align: center;
}
.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
}
.summary-item:last-child {
    border-bottom: none;
    border-top: 2px solid #3b82f6;
    margin-top: 16px;
    padding-top: 16px;
    font-weight: 700;
    font-size: 1.125rem;
}
.summary-label {
    color: #64748b;
    font-size: 0.875rem;
}
.summary-value {
    color: #059669;
    font-weight: 600;
    font-size: 0.875rem;
}
.summary-item:last-child .summary-label,
.summary-item:last-child .summary-value {
    font-size: 1.125rem;
    color: #0f172a;
}
.buy-button {
    width: 100%;
    background: #3b82f6;
    color: white;
    border: none;
    padding: 16px 24px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 24px;
}
.buy-button:hover {
    background: #2563eb;
    transform: translateY(-1px);
}
.buy-button:active {
    transform: translateY(0);
}
.license-options {
    display: none;
    background: #f8fafc;
    padding: 20px;
    border-radius: 12px;
    margin-top: 12px;
    border: 1px solid #e2e8f0;
}
.license-options.show {
    display: block;
}
.license-title {
    font-weight: 600;
    margin-bottom: 16px;
    color: #0f172a;
    font-size: 0.875rem;
}
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.checkbox-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 8px;
    transition: background-color 0.2s;
}
.checkbox-item:hover {
    background-color: rgba(59, 130, 246, 0.05);
}
.checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #3b82f6;
}
.checkbox-item label {
    flex: 1;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.875rem;
}
.checkbox-price {
    color: #059669;
    font-weight: 600;
    font-size: 0.875rem;
}
.info-card {
    margin-top: 24px;
    padding: 20px;
    background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 100%);
    border-radius: 12px;
    border: 1px solid #bfdbfe;
}
.info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: #1e40af;
    margin-bottom: 8px;
}
.info-item:last-child {
    margin-bottom: 0;
}
.info-icon {
    width: 16px;
    height: 16px;
    opacity: 0.8;
}
@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .summary-panel {
        position: static;
    }
}
@media (max-width: 768px) {
    .config-panel,
    .summary-panel {
        padding: 24px;
    }
    .option-grid {
        grid-template-columns: 1fr;
    }
}
* {
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}