/* ===========================================
   Sidebar CSS - Unified with Design Tokens
   =========================================== */

/* Stilled Frame List Items */
.stilled-frame-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    border-radius: var(--radius-lg);
    transition: all var(--transition-smooth);
    color: var(--muted-foreground);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    margin: 1px 0;
    border: 1px solid transparent;
}

.stilled-frame-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--foreground);
    border-color: rgba(255, 255, 255, 0.05);
}

.stilled-frame-item.active {
    background: rgba(0, 122, 255, 0.15) !important;
    color: white !important;
    border-color: rgba(0, 122, 255, 0.3) !important;
    font-weight: var(--font-semibold);
}

.stilled-frame-item iconify-icon {
    flex-shrink: 0;
    transition: color var(--transition-normal);
}



.rename-input {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--primary);
    border-radius: var(--radius-sm);
    color: white;
    font-size: var(--text-sm);
    padding: var(--space-xs) var(--space-md);
    width: 100%;
    outline: none;
}

/* Folder Tree Styles */
.folder-tree-container {
    display: flex;
    flex-direction: column;
    gap: 1px;
    padding-top: var(--space-xs);
}

.folder-row {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
    color: var(--muted-foreground);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

.folder-row:hover {
    background: var(--secondary);
    color: #e5e5e5;
}

.folder-row.active {
    background: rgba(0, 122, 255, 0.15);
    color: white;
}

.folder-row.active .folder-icon {
    color: var(--primary);
}

.folder-indent {
    width: var(--space-lg);
    flex-shrink: 0;
}

.folder-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    border-radius: var(--radius-xs);
    cursor: pointer;
    color: var(--muted);
    transition: color var(--transition-normal), transform var(--transition-normal);
}

.folder-toggle:hover {
    color: var(--muted-foreground);
}

.folder-toggle.expanded {
    transform: rotate(90deg);
}

/* Collapsible Tree Styles */
.tree-folder {
    margin-bottom: 2px;
}

.tree-folder summary {
    list-style: none;
}

.tree-folder summary::-webkit-details-marker {
    display: none;
}

.tree-folder-summary {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    border-radius: var(--radius-lg);
    transition: all var(--transition-smooth);
    color: var(--muted-foreground);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    margin: 1px var(--space-lg);
    border: 1px solid transparent;
}

.tree-folder-summary:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--foreground);
    border-color: rgba(255, 255, 255, 0.05);
}

.tree-folder-summary.active {
    background: rgba(0, 122, 255, 0.15);
    color: white;
    border-color: rgba(0, 122, 255, 0.3);
    font-weight: var(--font-semibold);
}

.tree-folder-summary.active .folder-icon {
    color: var(--primary);
    opacity: 1;
}

.tree-folder-summary .arrow-icon {
    transition: transform var(--transition-normal);
    color: var(--muted);
    flex-shrink: 0;
}

.tree-folder-summary .folder-icon {
    color: var(--primary);
    opacity: 0.8;
}

/* Depth-based scaling */
.depth-0 {
    font-size: var(--text-base);
    letter-spacing: 0em;
}

.depth-1 {
    font-size: var(--text-base);
}

/* Resizable Pane Styles */
/* Resizable Pane Styles */
#folder-browser-header {
    cursor: row-resize;
    position: relative;
    user-select: none;
    /* Prevent text selection while dragging */
    transition: background-color 0.2s ease;
}

#folder-browser-header:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

/* Drag Grip Visual Cue */
#folder-browser-header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 0 0 4px 4px;
    transition: background-color 0.2s;
}

#folder-browser-header:hover::before {
    background-color: rgba(255, 255, 255, 0.3);
}

/* Active Dragging State */
body.resizing-panel {
    cursor: row-resize !important;
    user-select: none !important;
}

body.resizing-panel #folder-browser-header {
    background-color: rgba(255, 255, 255, 0.05);
}

body.resizing-panel #folder-browser-header::before {
    background-color: var(--primary);
}

/* Drag & Drop Overlay */
.drag-over-sidebar {
    position: relative;
    border: 2px dashed var(--primary) !important;
    background-color: rgba(var(--primary-rgb), 0.1) !important;
}

.drag-over-sidebar::after {
    content: "Drop Folder to Import";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--background);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: bold;
    color: var(--primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    pointer-events: none;
    z-index: 50;
}

/* Specific adjustment for folder-list to ensure overlay covers full height */
#folder-list.drag-over-sidebar {
    min-height: 100px;
    /* Ensure drop zone has size even if empty */
}