/* Diagram renderer styles */

/* Mermaid diagram container */
.mermaid-diagram {
    background-color: var(--bg-light);
    border-left: 3px solid var(--primary-color);
    border-radius: 0;
    padding: 1em;
    margin: 1.5em 0;
    text-align: center;
    overflow-x: auto;
}

/* Ensure SVG diagrams don't overflow */
.mermaid-diagram svg {
    max-width: 100%;
    height: auto !important;
}

/* Dark theme adjustments */
:root.dark-theme .mermaid-diagram {
    background-color: var(--bg-dark);
    border-left-color: var(--primary-dark);
}

/* Fallback diagram container */
.diagram-fallback {
    background-color: var(--bg-light);
    border-left: 3px solid var(--primary-color);
    border-radius: 0;
    padding: 1em;
    margin: 1em 0;
    white-space: pre;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.9em;
    line-height: 1.5;
    position: relative;
}

.diagram-fallback::before {
    content: "Diagram: Code View";
    display: block;
    font-weight: bold;
    margin-bottom: 0.5em;
    color: var(--text-light);
    font-family: var(--font-family);
}

:root.dark-theme .diagram-fallback {
    background-color: var(--bg-dark);
    border-left-color: var(--primary-dark);
}

/* Diagram rendering error */
.diagram-error {
    color: var(--error-color);
    font-style: italic;
    margin-top: 1em;
    font-family: var(--font-family);
    font-size: 0.9em;
}

/* Zoom controls for diagrams */
.diagram-controls {
    position: absolute;
    top: 0.5em;
    right: 0.5em;
    display: flex;
    gap: 0.5em;
    opacity: 0.3;
    transition: opacity 0.2s ease;
}

.mermaid-diagram:hover .diagram-controls {
    opacity: 1;
}

.diagram-control-btn {
    background-color: var(--bg-dark);
    border: none;
    border-radius: 3px;
    color: var(--text-light);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    padding: 0;
}

.diagram-control-btn:hover {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

:root.dark-theme .diagram-control-btn {
    background-color: var(--active-color);
    color: var(--text-light);
}

:root.dark-theme .diagram-control-btn:hover {
    background-color: var(--primary-dark);
    color: var(--bg-color);
}

/* Mermaid theme overrides */
:root.dark-theme .mermaid tspan {
    fill: var(--text-light);
}

:root.dark-theme .mermaid .actor {
    fill: var(--bg-dark);
    stroke: var(--text-muted);
}

:root.dark-theme .mermaid .messageText {
    fill: var(--text-light);
    stroke: none;
}

/* Diagram placeholder */
.diagram-placeholder {
    background-color: var(--bg-light);
    border: 1px dashed var(--border-color);
    border-radius: 0;
    padding: 2em;
    text-align: center;
    margin: 1em 0;
    color: var(--text-light);
}

.diagram-placeholder-text {
    margin-bottom: 1em;
}

.diagram-type-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5em;
    justify-content: center;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .mermaid-diagram {
        padding: 0.75em;
        font-size: 0.9em;
    }

    .diagram-controls {
        display: none;
        /* Hide controls on mobile to save space */
    }
}
/* Note / error line under a fallback diagram (was inline styles in JS) */
.diagram-note {
    font-size: 0.8em;
    font-style: italic;
    color: var(--text-light);
    margin-top: 1em;
    white-space: normal;
}

.diagram-note.diagram-error {
    color: var(--error-color);
}