main {
    padding-bottom: 2rem;
}

.tool-layout {
    display: grid;
    grid-template-columns: minmax(17rem, 1fr) minmax(0, 3fr);
    gap: 2rem;
    align-items: start;
    margin-top: 1.5rem;
}

section {
    text-align: left;
    margin-top: 0;
    width: 100%;
}

#input-section,
#output-section {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

#input-section h2,
#output-section h2 {
    margin-bottom: 1.25rem;
    text-align: left;
}

.field-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 0.75em;
}

.field-group input[type="text"] {
    flex: 1;
    min-width: 0;
    padding: 8px 10px;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    min-height: 44px;
}

.field-group input[type="text"]:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.remove-field-button {
    flex: 0 0 auto;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: flex-start;
    margin-top: 1rem;
}

.output-actions {
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

#copy-status {
    margin: 0;
    min-height: 1.5em;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.5rem;
    background: #fff;
}

th, td {
    border: 1px solid var(--color-border);
    padding: 0.5em 0.75em;
    text-align: left;
}

th {
    background: var(--color-bg);
    font-weight: 600;
}

@media (max-width: 640px) {
    .tool-layout {
        grid-template-columns: 1fr;
    }

    .field-group {
        flex-wrap: wrap;
    }

    .field-group input[type="text"] {
        flex: 1 1 calc(50% - 10px);
    }

    .remove-field-button {
        align-self: flex-end;
    }

    .output-actions {
        flex-direction: column;
        align-items: flex-start;
    }
}