.network-layout {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
    min-height: 0;
}

.visualization-section {
    background: var(--bg-secondary);
    border-radius: 4px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    position: relative;
}

.viz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.viz-header h2 {
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0;
}

.viz-controls {
    display: flex;
    gap: 0.5rem;
}

.viz-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.625rem;
    cursor: pointer;
    user-select: none;
}

.viz-toggle input[type="checkbox"] {
    width: 12px;
    height: 12px;
    cursor: pointer;
}

#networkCanvas {
    width: 100%;
    flex: 1;
    min-height: 0;
    border-radius: 3px;
    background: var(--bg-tertiary);
    cursor: crosshair;
}

.weight-tooltip {
    position: absolute;
    background: rgba(10, 14, 26, 0.95);
    border: 1px solid var(--accent-physics);
    border-radius: 4px;
    padding: 0.5rem;
    font-size: 0.625rem;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}

.weight-tooltip.show {
    opacity: 1;
}

.weight-tooltip .weight-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.weight-tooltip .weight-value {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: var(--accent-physics);
}

.layer-legend {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.375rem;
    flex-wrap: wrap;
}

.legend-layer {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.625rem;
}

.legend-box {
    width: 16px;
    height: 16px;
    border-radius: 2px;
    border: 2px solid;
}

.legend-box.input {
    background: rgba(59, 130, 246, 0.2);
    border-color: #3b82f6;
}

.legend-box.hidden1 {
    background: rgba(168, 85, 247, 0.2);
    border-color: #a855f7;
}

.legend-box.hidden2 {
    background: rgba(236, 72, 153, 0.2);
    border-color: #ec4899;
}

.legend-box.output {
    background: rgba(16, 185, 129, 0.2);
    border-color: #10b981;
}

.control-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    overflow-y: auto;
    max-height: 45vh;
}

.status-card {
    background: var(--bg-secondary);
    border-radius: 4px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
}

.status-header {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    margin-bottom: 0.5rem;
}

.model-selector {
    margin-bottom: 0.5rem;
}

.selector-label {
    display: block;
    font-size: 0.625rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.model-select {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 0.375rem;
    color: var(--text-primary);
    font-size: 0.625rem;
    font-family: 'Courier New', monospace;
    cursor: pointer;
}

.model-select:focus {
    outline: none;
    border-color: var(--accent-physics);
}

.model-select option {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.status-hint {
    font-size: 0.625rem;
    color: var(--text-secondary);
    margin-top: 0.375rem;
    text-align: center;
}

.input-panel,
.output-panel,
.stats-panel {
    background: var(--bg-secondary);
    border-radius: 4px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
}

.input-panel h3,
.output-panel h3,
.stats-panel h3 {
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.input-group {
    margin-bottom: 0.5rem;
}

.input-group:last-child {
    margin-bottom: 0;
}

.input-group label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.25rem;
}

.input-label {
    font-size: 0.625rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.input-value {
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--text-primary);
}

.output-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.375rem;
    margin-bottom: 0.5rem;
}

.output-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: 3px;
    border: 1px solid var(--border-color);
}

.output-label {
    font-size: 0.625rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    text-align: center;
}

.output-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-neural);
    font-family: 'Courier New', monospace;
}

.comparison-display {
    background: var(--bg-tertiary);
    border-radius: 3px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
}

.comparison-item {
    display: flex;
    justify-content: space-between;
    padding: 0.25rem 0;
    font-size: 0.625rem;
}

.comparison-item:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

.comparison-label {
    color: var(--text-secondary);
}

.comparison-value {
    font-weight: 600;
    font-family: 'Courier New', monospace;
    color: var(--text-primary);
}

.comparison-value.error {
    color: var(--accent-neural);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: 0.25rem 0;
    font-size: 0.625rem;
}

.stat-item:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

.stat-label {
    color: var(--text-secondary);
}

.stat-value {
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

@media (min-width: 768px) {
    .network-layout {
        flex-direction: row;
        gap: 0.75rem;
    }

    .visualization-section {
        flex: 2;
    }

    .control-section {
        flex: 1;
        max-width: 300px;
        max-height: none;
    }
}

.control-section::-webkit-scrollbar {
    width: 4px;
}

.control-section::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

.control-section::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}