.footer-tree-mud-tree {
    list-style: none;
    padding: 0;
    margin: 0;
    font-family: var(--mud-typography-body1-family);
    font-size: var(--mud-typography-body2-size);
    color: var(--mud-palette-text-primary);
    text-align: left;
}

.footer-tree-tree-node {
    display: block;
    padding: 2px 0;
}

.footer-tree-node-container {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    min-height: 32px;
    padding: 0 4px;
    border-radius: var(--mud-default-borderradius);
    transition: background-color 0.2s ease;
}

.footer-tree-node-container:hover {
    background-color: var(--mud-palette-action-default-hover);
}

.footer-tree-node-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    margin-right: 4px;
    cursor: pointer;
    font-size: 10px;
    color: var(--mud-palette-text-secondary);
    border-radius: 50%;
    transition: background-color 0.2s ease, color 0.2s ease;
    flex-shrink: 0;
    user-select: none;
}

.footer-tree-node-arrow:hover {
    background-color: var(--mud-palette-action-default-hover);
    color: var(--mud-palette-text-primary);
}

.footer-tree-node-btn {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    gap: 6px;
    background: none;
    border: none;
    padding: 4px 8px;
    margin: 0;
    font-family: inherit;
    font-size: inherit;
    text-align: left;
    cursor: pointer;
    color: inherit;
    border-radius: var(--mud-default-borderradius);
    transition: background-color 0.2s ease;
    min-height: 28px;
}

.footer-tree-node-btn:hover {
    background-color: var(--mud-palette-action-default-hover);
}

.footer-tree-node-btn:focus {
    outline: none;
    background-color: var(--mud-palette-action-default-hover);
}

.footer-tree-node-btn:focus-visible {
    outline: 2px solid var(--mud-palette-primary);
    outline-offset: 1px;
}

.footer-tree-folder {
    font-size: 16px;
    line-height: 1;
}

.footer-tree-node-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.footer-tree-node-text-red {
    color: var(--mud-palette-error);
}

.footer-tree-node-text-black {
    color: var(--mud-palette-text-primary);
}

.footer-tree-node-text-gray {
    color: var(--mud-palette-text-disabled);
}

.footer-tree-lock {
    display: inline-flex;
    align-items: center;
    margin-left: 4px;
}

.footer-tree-lock::before {
    content: "🔒";
    font-size: 12px;
}

.footer-tree-collapsed {
    display: none !important;
}

/* Indentation levels */
.footer-tree-tree-node.level-1 {
    padding-left: 24px;
}

.footer-tree-tree-node.level-2 {
    padding-left: 48px;
}

.footer-tree-tree-node.level-3 {
    padding-left: 72px;
}

.footer-tree-tree-node.level-4 {
    padding-left: 96px;
}

.footer-tree-tree-node.level-5 {
    padding-left: 120px;
}

.footer-tree-tree-node.level-6 {
    padding-left: 144px;
}

/* Selected state */
.footer-tree-node-btn.selected {
    background-color: var(--mud-palette-primary);
    color: var(--mud-palette-primary-text);
    font-weight: 500;
}

.footer-tree-node-btn.selected:hover {
    background-color: var(--mud-palette-primary-darken);
}

.footer-tree-node-btn.selected .footer-tree-folder {
    filter: brightness(1.1);
}

/* Loading state */
.footer-tree-node-btn.loading {
    opacity: 0.7;
    pointer-events: none;
}

.footer-tree-node-btn.loading::after {
    content: "";
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-left: 8px;
    border: 2px solid var(--mud-palette-text-disabled);
    border-top-color: var(--mud-palette-primary);
    border-radius: 50%;
    animation: footer-tree-spin 0.8s linear infinite;
}

@keyframes footer-tree-spin {
    to {
        transform: rotate(360deg);
    }
}

/* Disabled by type animation */
.footer-tree-node-btn.disabled-by-type {
    animation: footer-tree-shake 0.5s ease;
}

@keyframes footer-tree-shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-4px); }
    40%, 80% { transform: translateX(4px); }
}

/* Scrollbar styling */
#tree-container {
    scrollbar-width: thin;
    scrollbar-color: var(--mud-palette-text-disabled) transparent;
}

#tree-container::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

#tree-container::-webkit-scrollbar-track {
    background: transparent;
}

#tree-container::-webkit-scrollbar-thumb {
    background-color: var(--mud-palette-text-disabled);
    border-radius: 4px;
}

#tree-container::-webkit-scrollbar-thumb:hover {
    background-color: var(--mud-palette-text-secondary);
}

/* Dialog sizing */
.samverkanspart-tree-dialog {
    min-width: 600px;
    max-width: 900px;
}

.samverkanspart-tree-dialog .mud-dialog-content {
    min-height: 500px;
}