/* ============================================
   Chronicis Navigation Menu Styles
   ============================================ */

.chronicis-nav-menu {
    padding: var(--chronicis-space-sm) 0;
}

/* Navigation Menu Items */
.chronicis-nav-menu-items {
    padding: 0;
}

.chronicis-nav-menu-items .mud-nav-item {
    border-radius: 0 !important;
    padding-right: 0;
    transition: all var(--chronicis-transition-fast);
    margin: 2px 0;
    color: var(--chronicis-soft-off-white);
}

.chronicis-nav-menu-items .mud-nav-item .mud-menu {
    margin-right: var(--chronicis-space-sm);
}

.chronicis-nav-menu-items .mud-nav-link {
    border-radius: 0;
    transition: all var(--chronicis-transition-fast);
    margin: 2px 0;
    padding: var(--chronicis-space-sm) var(--chronicis-space-md);
    color: var(--chronicis-soft-off-white);
}

.chronicis-nav-menu-items .mud-nav-link:hover {
    background-color: rgba(196, 175, 142, 0.12);
    box-shadow: var(--chronicis-glow-gold);
    color: var(--chronicis-beige-gold);
}

/* Navigation Groups */
.chronicis-nav-menu-items .mud-nav-group {
    border-radius: var(--chronicis-radius-md);
    margin: 2px 0;
}

.chronicis-nav-menu-items .mud-nav-group .mud-nav-group-header {
    border-radius: var(--chronicis-radius-md);
    transition: all var(--chronicis-transition-fast);
    padding: var(--chronicis-space-sm) var(--chronicis-space-md);
    color: var(--chronicis-soft-off-white);
}

.chronicis-nav-menu-items .mud-nav-group .mud-nav-group-header:hover {
    background-color: rgba(196, 175, 142, 0.12);
    box-shadow: var(--chronicis-glow-gold);
    color: var(--chronicis-beige-gold);
}

/* Selected State */
.chronicis-nav-item-selected .mud-nav-link,
.chronicis-nav-item-selected .mud-nav-group-header {
    background-color: rgba(196, 175, 142, 0.2) !important;
    border-left: 3px solid var(--chronicis-beige-gold);
    padding-left: 0;
    color: var(--chronicis-beige-gold);
    font-weight: 500;
}

/* Nav Item Container */
.chronicis-nav-item-container {
    position: relative;
}

.chronicis-nav-item-menu {
    opacity: 0;
    transition: opacity var(--chronicis-transition-fast);
}

.chronicis-nav-item-container:hover .chronicis-nav-item-menu {
    opacity: 1;
}

/* Expand/Collapse Icons */
.mud-nav-group .mud-expand-icon {
    color: var(--chronicis-muted-gold) !important;
}

.mud-nav-group .mud-expand-icon:hover {
    color: var(--chronicis-beige-gold) !important;
}

/* Nested navigation items */
.mud-nav-group .mud-navmenu {
    padding-left: var(--chronicis-space-md);
    border-left: 1px solid rgba(196, 175, 142, 0.2);
    margin-left: var(--chronicis-space-md);
    animation: chronicis-expand 200ms ease-out;
}

/* Navigation item text */
.mud-nav-link-text,
.mud-nav-group-header-text {
    color: var(--chronicis-soft-off-white);
    font-size: 0.9375rem;
    transition: color var(--chronicis-transition-fast);
}

.chronicis-nav-item-selected .mud-nav-link-text,
.chronicis-nav-item-selected .mud-nav-group-header-text {
    color: var(--chronicis-beige-gold);
}

.mud-nav-link:hover .mud-nav-link-text,
.mud-nav-group-header:hover .mud-nav-group-header-text {
    color: var(--chronicis-beige-gold);
}

/* Navigation item icons */
.mud-nav-link .mud-icon-root,
.mud-nav-group-header .mud-icon-root {
    color: var(--chronicis-muted-gold);
    transition: all var(--chronicis-transition-fast);
}

.chronicis-nav-item-selected .mud-icon-root {
    color: var(--chronicis-beige-gold);
}

.mud-nav-link:hover .mud-icon-root,
.mud-nav-group-header:hover .mud-icon-root {
    color: var(--chronicis-beige-gold);
    transform: scale(1.1);
}

/* Context menu styling */
.mud-menu-item {
    transition: all var(--chronicis-transition-fast);
}

.mud-menu-item:hover {
    background-color: rgba(196, 175, 142, 0.1);
}

.mud-menu-item .mud-icon-root {
    color: var(--chronicis-muted-gold);
}

.mud-menu-item:hover .mud-icon-root {
    color: var(--chronicis-beige-gold);
}

/* Empty state in nav menu */
.chronicis-nav-menu .chronicis-empty-state {
    padding: var(--chronicis-space-lg) var(--chronicis-space-md);
}

.chronicis-nav-menu .chronicis-empty-state-icon {
    font-size: 2.5rem;
    opacity: 0.4;
}

/* Loading state */
.chronicis-nav-menu .mud-progress-circular {
    color: var(--chronicis-beige-gold);
}

/* Nested item spacing */
.mud-nav-group .mud-nav-group {
    margin-top: 2px;
}

/* Hover state for nav items */
.chronicis-nav-item:hover {
    background-color: rgba(196, 175, 142, 0.12);
}

/* Nav group wrapper for clickable title */
.chronicis-nav-group-wrapper {
    position: relative;
}

.chronicis-nav-group-click-handler {
    position: absolute;
    top: 0;
    left: 40px;
    right: 40px;
    height: 48px;
    cursor: pointer;
    z-index: 1;
}

.chronicis-nav-group-click-handler:hover {
    background-color: rgba(196, 175, 142, 0.08);
}

.chronicis-nav-group-menu {
    position: absolute;
    top: var(--chronicis-space-xs);
    right: var(--chronicis-space-sm);
    z-index: 10;
}

.mud-nav-link > .mud-nav-link-icon-default {
    display: none !important;
}

/* Remove default padding from nav links */
.chronicis-nav-item-container .mud-nav-link {
    padding-left: 0 !important;
    margin-left: 0 !important;
}

.mud-nav-item .mud-nav-link {
    border-radius: 0 !important;
    padding-left: 0 !important;
}

.mud-nav-link-text {
    padding: 0 !important;
    margin: 0 !important;
}

.mud-nav-link.mud-ripple {
    padding: 0 !important;
}

/* ============================================
   Drag-and-Drop Styles
   ============================================ */

/* Drop to Root Zone */
.chronicis-drop-to-root {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--chronicis-space-md);
    margin: var(--chronicis-space-sm) var(--chronicis-space-md);
    border: 2px dashed rgba(196, 175, 142, 0.4);
    border-radius: var(--chronicis-radius-md);
    background-color: rgba(196, 175, 142, 0.05);
    color: var(--chronicis-muted-gold);
    font-size: 0.85rem;
    transition: all var(--chronicis-transition-fast);
    cursor: pointer;
}

.chronicis-drop-to-root.drop-target-active {
    border-color: var(--chronicis-beige-gold);
    background-color: rgba(196, 175, 142, 0.15);
    color: var(--chronicis-beige-gold);
    box-shadow: var(--chronicis-glow-gold);
}

/* Drag handle */
.drag-handle {
    margin-right: var(--chronicis-space-xs);
    cursor: grab;
    transition: opacity var(--chronicis-transition-fast);
    color: var(--chronicis-muted-gold);
}

.drag-handle:active {
    cursor: grabbing;
}

/* Article being dragged */
.chronicis-nav-item-container.dragging {
    opacity: 0.5;
    background-color: rgba(196, 175, 142, 0.1);
}

.chronicis-nav-item-container.dragging .mud-nav-link {
    pointer-events: none;
}

/* Valid drop target highlight */
.chronicis-nav-item-container.drop-target-active {
    background-color: rgba(196, 175, 142, 0.2);
    border-left: 3px solid var(--chronicis-beige-gold);
    box-shadow: var(--chronicis-glow-gold);
}

.chronicis-nav-item-container.drop-target-active .mud-nav-link {
    color: var(--chronicis-beige-gold);
}

/* Draggable cursor */
.chronicis-nav-item-container[draggable="true"] {
    cursor: grab;
}

.chronicis-nav-item-container[draggable="true"]:active {
    cursor: grabbing;
}

/* Prevent text selection during drag */
.chronicis-nav-menu.dragging * {
    user-select: none;
}

/* Disable pointer events on inner elements during drag */
.chronicis-nav-menu--dragging .chronicis-nav-item-container .mud-nav-link > * {
    pointer-events: none;
}