.left-panel .card,
.right-panel .card {
    height: fit-content;
}

.left-panel .section {
    margin-bottom: 20px;
}

.left-panel .section h2 {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.radio {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border: 1px solid var(--border-input);
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: border-color 0.15s;
}

.radio.active,
.radio:hover {
    border-color: var(--accent-color);
}

.radio input {
    margin: 0;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    cursor: pointer;
    margin-top: 4px;
}

.checkbox input {
    margin: 0;
}

.chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chip {
    padding: 5px 10px;
    border: 1px solid var(--border-input);
    border-radius: 16px;
    background: var(--bg-card);
    cursor: pointer;
    font-size: 12px;
    color: var(--text-primary);
    transition: all 0.15s;
}

.chip:hover,
.chip.active {
    background: var(--accent-color);
    color: #ffffff;
    border-color: var(--accent-color);
}

.voltage-hint {
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.voltage-hint strong {
    color: var(--text-primary);
    font-weight: 600;
}

.left-panel .info-value {
    padding: 8px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.summary {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px;
}

.summary h3 {
    margin: 0 0 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-item span {
    color: var(--text-secondary);
}

.right-panel .card {
    overflow: auto;
    min-height: 400px;
}

.diagrams {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.diagram-card {
    width: 100%;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 14px;
    background: var(--bg-card);
}

.svg-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
    overflow: auto;
}

.svg-wrap svg {
    max-width: 100%;
    height: auto;
}

.error {
    color: #cf222e;
    font-size: 13px;
    margin-top: 6px;
}

@media (max-width: 900px) {
    .diagrams {
        gap: 16px;
    }
}

@media print {
    .left-panel,
    .common-header,
    .common-footer {
        display: none;
    }

    .container {
        padding: 0;
    }

    .right-panel .card {
        border: none;
    }

    .diagrams {
        page-break-inside: avoid;
    }
}