/**
 * Mermaid Fullscreen Styles
 * Dark theme with zoom/pan support
 */

/* Hint shown below mermaid diagrams */
.mermaid-expandable {
    cursor: pointer;
    position: relative;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
    border-radius: 8px;
    border: 1px solid transparent;
}

.mermaid-expandable:hover {
    box-shadow: 0 0 0 2px var(--accent, #58a6ff);
}

.mermaid-expandable::after {
    content: 'Click to expand';
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.7);
    color: #8b949e;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 4px;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.mermaid-expandable:hover::after {
    opacity: 1;
}

/* Fullscreen overlay */
.mermaid-fullscreen-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: mermaid-fade-in 0.2s ease;
}

@keyframes mermaid-fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Fullscreen container */
.mermaid-fullscreen-container {
    width: 90vw;
    height: 90vh;
    display: flex;
    flex-direction: column;
    background: #161b22;
    border-radius: 12px;
    border: 1px solid #30363d;
    overflow: hidden;
}

/* Header */
.mermaid-fullscreen-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: #0d1117;
    border-bottom: 1px solid #30363d;
    flex-shrink: 0;
}

.mermaid-fullscreen-title {
    color: #e6edf3;
    font-size: 16px;
    font-weight: 600;
}

.mermaid-fullscreen-controls {
    display: flex;
    gap: 8px;
}

.mermaid-fullscreen-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: #21262d;
    border: 1px solid #30363d;
    border-radius: 6px;
    color: #8b949e;
    cursor: pointer;
    transition: all 0.15s ease;
}

.mermaid-fullscreen-btn:hover {
    background: #30363d;
    color: #e6edf3;
}

.mermaid-fullscreen-btn svg {
    pointer-events: none;
}

.mermaid-fullscreen-close:hover {
    background: #f85149;
    border-color: #f85149;
    color: #ffffff;
}

/* Diagram area - scrollable container */
.mermaid-fullscreen-diagram {
    flex: 1;
    overflow: hidden;
    position: relative;
    cursor: grab;
    background: #0d1117;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mermaid-fullscreen-diagram svg {
    max-width: none;
    max-height: none;
    transition: transform 0.1s ease;
    transform-origin: center center;
}

/* Scrollbar styling */
.mermaid-fullscreen-diagram::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

.mermaid-fullscreen-diagram::-webkit-scrollbar-track {
    background: #161b22;
}

.mermaid-fullscreen-diagram::-webkit-scrollbar-thumb {
    background: #30363d;
    border-radius: 5px;
}

.mermaid-fullscreen-diagram::-webkit-scrollbar-thumb:hover {
    background: #484f58;
}

/* Keyboard focus styles */
.mermaid-expandable:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--accent, #58a6ff);
}

.mermaid-expandable:focus::after {
    opacity: 1;
    content: 'Press Enter to expand';
}

/* Hide scrollbar on body when fullscreen is open */
body.mermaid-fullscreen-open {
    overflow: hidden;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .mermaid-fullscreen-container {
        width: 100vw;
        height: 100vh;
        border-radius: 0;
    }
    
    .mermaid-fullscreen-btn {
        width: 44px;
        height: 44px;
    }
    
    .mermaid-expandable::after {
        font-size: 11px;
        padding: 3px 6px;
    }
}