/* niamoto_hierarchical_nav.css */
/* Styles for the hierarchical navigation widget - complements Tailwind v4 */

/* Tree container styles - no max height to avoid double scroll */
.hierarchical-nav-tree {
    padding-right: 0.5rem;
}

/* Custom scrollbar for the sidebar container (parent) */
.sidebar-nav::-webkit-scrollbar {
    width: 6px;
}

.sidebar-nav::-webkit-scrollbar-track {
    background-color: #f3f4f6;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background-color: #d1d5db;
    border-radius: 3px;
}

.sidebar-nav::-webkit-scrollbar-thumb:hover {
    background-color: #9ca3af;
}

/* Tree node styles */
.tree-node {
    user-select: none;
}

/* Chevron animation */
.chevron {
    transition: transform 200ms;
}

.tree-node.expanded > .tree-node-content .chevron {
    transform: rotate(90deg);
}

/* Tree node link styles */
.tree-node-link {
    display: block;
    padding: 0.375rem 0.75rem;
    color: #4b5563;
    text-decoration: none;
    font-size: 0.875rem;
    border-radius: 0.375rem;
    transition: all 150ms ease-in-out;
}

.tree-node-link:hover {
    background-color: #f3f4f6;
    color: #111827;
}

/* Active/current node highlight */
.tree-node.current .tree-node-content {
    background-color: rgba(31, 185, 157, 0.1);
    border-radius: 0.375rem;
}

.tree-node.current .tree-node-link,
.tree-node.current a {
    color: var(--color-primary);
    font-weight: 500;
}

/* Visual indicator for current item */
.tree-node.current > .tree-node-content::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 1.5rem;
    background-color: var(--color-primary);
    border-radius: 0 3px 3px 0;
}

/* Tree structure and indentation */
.tree-children {
    margin-left: 1.25rem;
    position: relative;
}

.tree-children::before {
    content: '';
    position: absolute;
    left: -0.75rem;
    top: 0;
    bottom: 0;
    width: 1px;
    background-color: #e5e7eb;
}

/* Expand/collapse icon */
.tree-expand-icon {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    margin-right: 0.375rem;
    color: #6b7280;
    flex-shrink: 0;
    transition: transform 200ms ease-in-out;
}

.tree-node.expanded .tree-expand-icon {
    transform: rotate(90deg);
}

/* Node content container */
.tree-node-content {
    display: flex;
    align-items: center;
    cursor: pointer;
    position: relative;
    transition: background-color 150ms ease-in-out;
}

/* Loading animation */
.loading-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 16rem;
    color: #6b7280;
}

.loading-placeholder::after {
    content: "Loading";
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { content: "Loading"; }
    25% { content: "Loading."; }
    50% { content: "Loading.."; }
    75% { content: "Loading..."; }
}