/* Mermaid diagram viewer styles */
.mermaid-container {
    position: relative;
    margin: 1.5rem 0;
    border: 1px solid var(--text-color, #444);
    border-radius: 8px;
    overflow: hidden;
    background: var(--background-color, #fff);
}

.mermaid-container .mermaid {
    padding: 1rem;
    overflow: auto;
    min-height: 100px;
}

.mermaid-controls {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    gap: 4px;
    z-index: 10;
    opacity: 0.7;
    transition: opacity 0.2s;
}

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

.mermaid-controls button {
    background: var(--background-color, #fff);
    border: 1px solid var(--text-color, #444);
    border-radius: 4px;
    padding: 4px 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-color, #444);
    transition: background 0.2s;
}

.mermaid-controls button:hover {
    background: var(--link-color, #3273dc);
    color: #fff;
    border-color: var(--link-color, #3273dc);
}

/* Fullscreen mode */
.mermaid-container.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 9999;
    border-radius: 0;
    border: none;
    margin: 0;
}

.mermaid-container.fullscreen .mermaid {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: auto;
}

.mermaid-container.fullscreen .mermaid-controls {
    top: 16px;
    right: 16px;
}

/* Zoom levels */
.mermaid-container[data-zoom="0.5"] .mermaid svg { transform: scale(0.5); }
.mermaid-container[data-zoom="0.75"] .mermaid svg { transform: scale(0.75); }
.mermaid-container[data-zoom="1"] .mermaid svg { transform: scale(1); }
.mermaid-container[data-zoom="1.25"] .mermaid svg { transform: scale(1.25); }
.mermaid-container[data-zoom="1.5"] .mermaid svg { transform: scale(1.5); }
.mermaid-container[data-zoom="2"] .mermaid svg { transform: scale(2); }

.mermaid-container .mermaid svg {
    transform-origin: center center;
    transition: transform 0.2s ease;
}

/* Pan/drag support */
.mermaid-container.dragging .mermaid {
    cursor: grabbing;
}

.mermaid-container .mermaid {
    cursor: grab;
}

/* Zoom indicator */
.zoom-indicator {
    font-size: 12px;
    padding: 4px 8px;
    background: var(--background-color, #fff);
    border: 1px solid var(--text-color, #444);
    border-radius: 4px;
    min-width: 45px;
    text-align: center;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .mermaid-container {
        border-color: #555;
    }

    .mermaid-controls button,
    .zoom-indicator {
        background: #1a1a1a;
        border-color: #555;
        color: #ddd;
    }

    .mermaid-controls button:hover {
        background: #8cc2dd;
        color: #000;
        border-color: #8cc2dd;
    }
}