/**
 * Math & Diagram Styles - ChatAI
 * LaTeX/MathJax and Mermaid diagram styling
 */

/* ========================================
   MATH RENDERING (MathJax)
   ======================================== */

.math-output {
    overflow-x: auto;
    max-width: 100%;
}

mjx-container {
    font-size: 1.1em !important;
    margin: 0.5em 0 !important;
}

mjx-container[display="true"] {
    display: block !important;
    text-align: center !important;
    margin: 1em 0 !important;
    overflow-x: auto;
    overflow-y: hidden;
}

mjx-container svg {
    display: inline-block;
    vertical-align: middle;
}

/* Inline math styling */
message-content mjx-container:not([display="true"]) {
    display: inline !important;
    margin: 0 0.2em !important;
}

/* ========================================
   MERMAID DIAGRAMS
   ======================================== */

.mermaid-diagram {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin: 12px 0;
    overflow-x: auto;
    position: relative;
    text-align: center;
}

.mermaid-diagram svg {
    max-width: 100%;
    height: auto;
    display: inline-block;
}

.mermaid-download-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 0.75rem;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s ease;
    color: var(--text-secondary);
}

.mermaid-diagram:hover .mermaid-download-btn {
    opacity: 1;
}

.mermaid-download-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.mermaid-error {
    background: var(--danger-bg, rgba(239, 68, 68, 0.1));
    border: 1px solid var(--danger, #ef4444);
    border-radius: 8px;
    padding: 12px;
    margin: 8px 0;
    color: var(--danger, #ef4444);
    font-size: 0.9rem;
}

/* Hide original mermaid code blocks after rendering */
pre[data-mermaid-rendered="true"] {
    display: none !important;
}

/* ========================================
   DARK THEME ADJUSTMENTS
   ======================================== */

.dark-theme .mermaid-diagram {
    background: var(--surface);
}

.dark-theme .mermaid-diagram svg {
    filter: brightness(0.95);
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .mermaid-diagram {
        padding: 12px;
        border-radius: 8px;
    }

    mjx-container {
        font-size: 0.95em !important;
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
    .mermaid-download-btn {
        display: none;
    }

    .mermaid-diagram {
        break-inside: avoid;
    }
}