/* Workflow Viewer Styles */
.workflow-viewer {
    width: 100%;
    height: 500px;
    background-color: #161b22;
    /* n8n dark background color */
    background-image: radial-gradient(#30363d 1.5px, transparent 1.5px);
    background-size: 20px 20px;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
}

#canvasContainer {
    width: 100%;
    height: 100%;
    cursor: grab;
}

#canvasContainer:active {
    cursor: grabbing;
}

.viewer-controls {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 10;
}

.viewer-controls button {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: #24292e;
    border: 1px solid #444c56;
    color: #e1e4e8;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.viewer-controls button:hover {
    background: #0366d6;
    border-color: #0366d6;
    color: white;
}

.viewer-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(22, 27, 34, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #e1e4e8;
    z-index: 20;
    font-weight: 500;
}

.viewer-overlay i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #0366d6;
}

/* Node Styles within Canvas (Canvas çizimi için JS kullanılacak ama stiller referans) */