.pdf-studio-container {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    max-width: var(--content-max-w);
    width: 100%;
    box-sizing: border-box;
}

.pdf-studio-inner {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    padding: var(--space-md) var(--page-gutter) var(--space-lg);
}

.studio-workspace {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    height: 100%;
    min-height: 0;
}

.studio-editor-pane,
.studio-preview-pane {
    background: var(--bg-glass);
    border: none;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.pane-header {
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: none;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}

.pane-actions {
    display: flex;
    gap: 0.75rem;
}

#latexEditor {
    flex: 1;
    min-height: 200px;
    background: var(--surface);
    border: none;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 0.95rem;
    padding: 1.5rem;
    resize: none;
    outline: none;
    line-height: 1.6;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

#latexEditor::placeholder {
    color: var(--text-muted);
}

.preview-content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--surface);
    overflow: auto;
    min-height: 200px;
}

.preview-placeholder {
    color: var(--text-muted);
    font-size: 0.95rem;
    padding: 2rem;
    text-align: center;
    max-width: 320px;
}

.preview-content .borsa-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.preview-content .borsa-error-hint {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0;
}

.jsonl-output-wrap {
    padding: 2rem;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.jsonl-content {
    flex: 1;
    background: var(--surface);
    padding: 1.5rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    overflow: auto;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* .btn-primary / .btn-secondary — components.css */

@media (max-width: 900px) {
    .studio-workspace {
        grid-template-columns: 1fr;
    }

    #latexEditor {
        min-height: 160px;
    }
}