.subnet-layout {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

@media (min-width: 800px) {
    .subnet-layout {
        flex-direction: row;
        align-items: flex-start;
    }
}

.input-col, .output-col {
    flex: 1;
}

.input-card {
    background-color: var(--color-light-gray);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

[data-theme="dark"] .input-card {
    background-color: rgba(255, 255, 255, 0.05);
}

.full-width {
    width: 100%;
    padding: 0.8rem;
    font-size: 1.1rem;
    font-family: "Courier New", Courier, monospace;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background-color: var(--color-white);
    color: var(--color-text);
}

[data-theme="dark"] .full-width {
    background-color: #2a2a2a;
}

.input-card input.error {
    border-color: #d32f2f;
    box-shadow: 0 0 5px rgba(211, 47, 47, 0.3);
}

.results-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

[data-theme="dark"] .results-card {
    background-color: #2a2a2a;
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.result-row:last-child {
    border-bottom: none;
}

.result-row:nth-child(even) {
    background-color: var(--color-light-gray);
}

[data-theme="dark"] .result-row:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.02);
}

.result-label {
    font-weight: bold;
    color: #555;
    font-size: 0.95rem;
}

[data-theme="dark"] .result-label {
    color: #aaa;
}

.result-value {
    font-family: "Courier New", Courier, monospace;
    font-size: 1.1rem;
    color: var(--color-text);
}

.result-value.highlight {
    color: var(--color-blue);
    font-weight: bold;
}