/* Redmine Subnavigation - Modern & Clean */

:root {
    /* Dimensions & Spacing */
    --subnav-width: 280px;
    --subnav-docked-width: 20px;
    --subnav-z-index: 15;

    /* Colors - Light Theme (Default) */
    --subnav-bg: #f6f6f6;
    --subnav-border: #ddd;
    --subnav-text: #333;
    --subnav-hover-bg: #cce0f0;
    --subnav-hover-text: #222;
    --subnav-active-bg: #cce0f0;
    --subnav-active-text: #222;
    --subnav-icon: #999;
    --subnav-folder: #666;
    --subnav-resizer-hover: #007bff;

    /* Toggle Button Colors */
    --subnav-toggle-icon: #aeaeae;
    --subnav-toggle-icon-hover: #444;
    --subnav-toggle-bg-closed: rgba(0, 0, 0, 0.4);
    --subnav-toggle-icon-closed: #666;

    /* Header Colors */
    --subnav-header-text: #666;
    --subnav-header-hover-bg: #f0f0f0;

    /* Animation & Highlight */
    --subnav-highlight-color: rgba(255, 243, 205, 1);
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --subnav-bg: #2d2d2d;
        --subnav-border: #444;
        --subnav-text: #ccc;
        --subnav-hover-bg: #3d3d3d;
        --subnav-hover-text: #fff;
        --subnav-active-bg: #444;
        --subnav-active-text: #fff;
        --subnav-icon: #aaa;
        --subnav-folder: #bbb;

        --subnav-toggle-icon: #888;
        --subnav-toggle-icon-hover: #fff;
        --subnav-toggle-bg-closed: rgba(255, 255, 255, 0.1);
        --subnav-toggle-icon-closed: #eee;

        --subnav-header-text: #aaa;
        --subnav-header-hover-bg: #333;

        --subnav-highlight-color: rgba(255, 215, 0, 0.3);
    }
}

/* Global Height Fixes */
html,
body {
    height: 100%;
}

/* 
   CSS Grid Layout on #wrapper 
   Redefines the main layout to accomodate the sidebar 
*/
body.has-mini-wiki-sidebar #wrapper {
    min-height: 100vh;
    display: grid !important;
    overflow: visible !important;
    grid-template-columns: var(--subnav-current-width, auto) 1fr;
    grid-template-rows: auto auto 1fr auto;
}

/* Grid Areas Configuration based on Sidebar Mode */

/* Mode: Project Wiki (Full Height) - Sidebar spans from below top-menu to bottom */
body.has-mini-wiki-sidebar.mini-sidebar-mode-project_wiki #wrapper {
    grid-template-areas:
        "top top"
        "side header"
        "side main"
        "side footer";
}

/* Mode: Wiki Only - Sidebar starts below the project header */
body.has-mini-wiki-sidebar.mini-sidebar-mode-wiki #wrapper {
    grid-template-areas:
        "top top"
        "header header"
        "side main"
        "side footer";
}

/* Grid Area Assignments */

body.has-mini-wiki-sidebar #top-menu {
    grid-area: top;
    width: 100% !important;
    max-width: 100vw;
    box-sizing: border-box;
    overflow: hidden;
}

body.has-mini-wiki-sidebar #header {
    grid-area: header;
    width: auto !important;
    /* Auto allows it to fill grid cell without forcing width */
    max-width: 100%;
    overflow-x: clip;
    overflow-y: visible;
}

body.has-mini-wiki-sidebar #main {
    grid-area: main;
    width: 100% !important;
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: auto;
}

body.has-mini-wiki-sidebar #footer {
    grid-area: footer;
    width: auto;
}

/* Sidebar Container */
#mini-wiki-sidebar {
    grid-area: side;
    width: var(--subnav-width);
    min-width: var(--subnav-width);
    background-color: var(--subnav-bg);
    border-right: 1px solid var(--subnav-border);
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    height: 100vh;
    min-height: 0;
    align-self: start;
    position: sticky;
    top: 0;
    max-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    /* Scrollbar is on inner content */
    transition: width 0.3s ease, min-width 0.3s ease, padding 0.3s ease, margin 0.3s ease;
    z-index: var(--subnav-z-index);
}

/* Inner scrollable content */
.mini-wiki-sidebar-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: auto;
    width: 100%;
    padding: 26px 15px 15px 4px;
    box-sizing: border-box;
}

/* Disable transitions during resizing to prevent lag */
#mini-wiki-sidebar.resizing-active {
    transition: none !important;
}

/* 
   Collapsed State (Docked)
   Shows a thin strip with the toggle button
*/
#mini-wiki-sidebar.collapsed,
body.mini-wiki-sidebar-closed #mini-wiki-sidebar {
    width: var(--subnav-docked-width) !important;
    min-width: var(--subnav-docked-width) !important;
    padding: 0 !important;
    border-right: 1px solid var(--subnav-border) !important;
    margin: 0 !important;
    overflow: hidden !important;
    background-color: var(--subnav-bg) !important;
    z-index: var(--subnav-z-index);
}

/* Use flexbox for the toggle when closed to center it */
body.mini-wiki-sidebar-closed .mini-wiki-sidebar-toggle {
    visibility: visible !important;
    opacity: 1 !important;
    display: flex !important;
}

/* Hide all sidebar content when closed */
body.mini-wiki-sidebar-closed #mini-wiki-sidebar .mini-sidebar-content,
body.mini-wiki-sidebar-closed #mini-wiki-sidebar .wiki-sidebar-header,
body.mini-wiki-sidebar-closed #mini-wiki-sidebar #mini-sidebar-resizer,
body.mini-wiki-sidebar-closed #mini-wiki-sidebar ul {
    display: none !important;
    opacity: 0 !important;
}

/* 
   Toggle Button Styling 
*/
.mini-wiki-sidebar-toggle {
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--subnav-toggle-icon);
    background: transparent;
    border: none;
    padding: 0;
    z-index: 1005;
    transition: all 0.1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0;
    right: 0;
}

/* Open State: Absolute positioned icon inside the sidebar */
body:not(.mini-wiki-sidebar-closed) .mini-wiki-sidebar-toggle {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 24px;
    height: 24px;
    color: var(--subnav-icon);
}

/* Closed State: Centered icon in the docked strip */
body.mini-wiki-sidebar-closed .mini-wiki-sidebar-toggle {
    position: absolute !important;
    top: 10px !important;
    left: 50% !important;
    right: auto !important;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    color: var(--subnav-toggle-icon-closed);
    background: transparent !important;
    border-radius: 4px;
    box-shadow: none !important;
}

/* Wiki Mode Specific Override */
body.mini-wiki-sidebar-closed.mini-sidebar-mode-wiki .mini-wiki-sidebar-toggle {
    position: absolute !important;
    top: 10px !important;
    left: 50% !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* Hover States */
.mini-wiki-sidebar-toggle:hover {
    color: var(--subnav-toggle-icon-hover);
}

body.mini-wiki-sidebar-closed .mini-wiki-sidebar-toggle:hover {
    background: var(--subnav-toggle-bg-closed);
}

/* Icon Content: Arrow when open, Hamburger when closed */
.mini-wiki-sidebar-toggle::before {
    content: '‹';
    /* Left Arrow */
    font-size: 24px;
    margin-left: 1rem;
}

body.mini-wiki-sidebar-closed .mini-wiki-sidebar-toggle::before {
    content: '☰';
    /* Hamburger */
    font-size: 18px;
    font-weight: normal;
    margin-left: 1.3rem;
    /* Adjust centering */
    margin-bottom: 1.4rem;
}

/* 
   Navigation Tree Styling 
*/
#mini-wiki-sidebar ul {
    list-style-type: none;
    padding-left: 0;
    margin: 0;
}

#mini-wiki-sidebar li {
    position: relative;
    display: flex !important;
    flex-wrap: wrap;
    align-items: flex-start;
}

/* Links */
a.wiki-page-link {
    display: inline-block;
    padding: 3px 6px;
    color: var(--subnav-text);
    text-decoration: none;
    border-radius: 4px;
    font-weight: normal;
    font-size: 0.9rem;
    line-height: 1.4;
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

a.wiki-page-link:hover {
    background-color: var(--subnav-hover-bg);
    color: var(--subnav-hover-text);
}

a.wiki-page-link.active {
    background-color: var(--subnav-active-bg);
    color: var(--subnav-active-text);
}

/* Project Icons */
a.wiki-page-link.type-project {
    font-weight: normal;
    display: flex;
    align-items: center;
}

/* Remove emoji */
a.wiki-page-link.type-project::before {
    content: none !important;
}

/* Page Icons */
a.wiki-page-link.type-page {
    font-weight: 400;
    display: flex;
    align-items: center;
}

/* Remove emoji */
a.wiki-page-link.type-page::before {
    content: none !important;
}

/* SVG Icon Styling */
.subnav-icon {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    flex-shrink: 0;
    color: var(--subnav-icon);
}

.subnav-icon-folder {
    color: var(--subnav-folder);
}

a.wiki-page-link:hover .subnav-icon {
    color: var(--subnav-hover-text);
}

a.wiki-page-link.active .subnav-icon {
    color: var(--subnav-active-text);
}


/* Container for label and icon alignment */
.node-label-container {
    display: flex;
    align-items: flex-start;
    width: 100%;
    margin-bottom: 2px;
}

/* Expand/Collapse Icons */
.expand-icon,
.expand-icon-spacer {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.expand-icon {
    cursor: pointer;
    color: var(--subnav-icon);
    font-size: 1.5rem;
    line-height: 1;
    transition: transform 0.2s ease;
    user-select: none;
}

.expand-icon:hover {
    color: var(--subnav-text);
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
}

.expand-icon-spacer {
    pointer-events: none;
}

.expand-icon::before {
    content: '▸';
}

/* Expanded State */
li.expanded>.node-label-container>.expand-icon::before {
    content: '▾';
}

/* 
   Table of Contents (Headers) Styling 
*/
ul.wiki-page-headers {
    display: none;
    width: 100%;
    padding-left: 16px !important;
    margin: 1px 0 !important;
}

a.wiki-header-link {
    color: var(--subnav-header-text);
    font-size: 0.9rem;
    font-weight: normal;
    padding: 2px 4px 2px 16px;
    position: relative;
    text-decoration: none;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    white-space: normal;
    word-break: break-word;
    /* Wrap long words */
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
    display: block;
}

/* Header Levels Indentation */
a.wiki-header-link.wiki-header-h1 {
    padding-left: 12px;
}

a.wiki-header-link.wiki-header-h1::before {
    left: 0px;
}

/* Levels H2-H5 share base styling, distinct visual hierarchy via opacity/size if needed */
a.wiki-header-link.wiki-header-h2 {
    font-weight: 500;
}

a.wiki-header-link.wiki-header-h3 {
    opacity: 0.9;
}

a.wiki-header-link.wiki-header-h4 {
    opacity: 0.8;
}

a.wiki-header-link.wiki-header-h5 {
    opacity: 0.7;
}

/* Header Links Hover */
a.wiki-header-link:hover {
    color: var(--subnav-resizer-hover);
    background-color: var(--subnav-header-hover-bg);
    border-radius: 4px;
}

/* Header Paragraph Icon */
a.wiki-header-link::before {
    content: '¶';
    position: absolute;
    left: 4px;
    top: 2px;
    color: var(--subnav-icon);
    font-weight: normal;
    font-size: 0.85em;
    line-height: 1.4;
}

/* Nested List Logic */
#mini-wiki-sidebar li>ul {
    display: none;
    width: 100%;
    padding-left: 14px;
}

#mini-wiki-sidebar li.expanded>ul {
    display: block;
}

/* 
   Resizer Handle 
*/
.mini-wiki-sidebar-resizer {
    position: absolute;
    top: 0;
    right: -3px;
    /* Centered on border (5px width / 2 offset) */
    width: 5px;
    height: 100%;
    cursor: col-resize;
    z-index: 1002;
    background-color: transparent;
    transition: background-color 0.2s;
}

.mini-wiki-sidebar-resizer:hover,
.mini-wiki-sidebar-resizer.resizing {
    background-color: var(--subnav-resizer-hover);
}

/* 
   Mobile / Responsive Overlay 
*/
@media (max-width: 768px) {
    body.has-mini-wiki-sidebar #wrapper {
        display: block !important;
        /* Reset Grid */
    }

    #mini-wiki-sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        z-index: 9999;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.2);
    }

    body.mini-wiki-sidebar-closed #mini-wiki-sidebar {
        width: 0 !important;
        padding: 0 !important;
        border: none;
    }

    /* Mobile Toggle Button */
    .mini-wiki-sidebar-toggle {
        font-size: 1.5rem;
        padding: 10px;
    }

    body.mini-wiki-sidebar-closed .mini-wiki-sidebar-toggle {
        position: fixed;
        top: 10px;
        left: 10px;
        z-index: 10000;
        background: rgba(255, 255, 255, 0.8);
        border-radius: 50%;
        width: 40px;
        height: 40px;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }
}

/* 
   Active State & Highlighting 
*/
a.wiki-header-link.active {
    color: var(--subnav-active-text) !important;
    background-color: var(--subnav-active-bg);
    border-radius: 4px;
    border-left: none;
    font-weight: 600;
}

a.wiki-header-link.active::before {
    color: var(--subnav-active-text) !important;
    opacity: 1;
    padding-top: 1px;
}

/* Fade animation for target highlight (e.g. anchor jump) */
@keyframes target-fade {
    0% {
        background-color: transparent;
    }

    10% {
        background-color: var(--subnav-highlight-color);
        border-radius: 4px;
        padding-left: 5px;
        margin-left: -5px;
        box-shadow: 0 0 0 5px var(--subnav-highlight-color);
    }

    100% {
        background-color: transparent;
    }
}

.wiki-header-highlight-target {
    animation: target-fade 2s ease-out;
}

/* 
   Feature: Hide Breadcrumb 
   Applied via body class when enabled in settings
*/
body.mini-sidebar-hide-breadcrumb #breadcrumb,
body.mini-sidebar-hide-breadcrumb .breadcrumb,
body.mini-sidebar-hide-breadcrumb .breadcrumbs,
body.mini-sidebar-hide-breadcrumb p.breadcrumb,
body.mini-sidebar-hide-breadcrumb div.breadcrumb,
body.mini-sidebar-hide-breadcrumb ul.breadcrumb {
    display: none !important;
}

/* 
   Feature: Sticky Top Menu 
   Applied via body class when enabled in settings
*/
body.mini-sidebar-sticky-top-menu #top-menu {
    position: sticky;
    top: 0;
    z-index: 25;
    width: 100%;
    box-sizing: border-box;
    padding-top: 6px;
    padding-bottom: 6px;
    padding-right: 15px;
    /* Ensure right spacing */
}

body.mini-sidebar-sticky-top-menu.has-mini-wiki-sidebar #mini-wiki-sidebar {
    top: 0;
}

/* Utility: Prevent transitions (e.g. on load) */
.no-transition,
.no-transition * {
    transition: none !important;
}