@font-face {
    font-family: 'Roboto';
    src: url('../libraries/webfonts/Roboto-Thin.ttf') format('truetype');
    font-weight: 100;
    font-style: normal;
}

@font-face {
    font-family: 'Roboto';
    src: url('../libraries/webfonts/Roboto-Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
}

@font-face {
    font-family: 'Roboto';
    src: url('../libraries/webfonts/Roboto-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Roboto';
    src: url('../libraries/webfonts/Roboto-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: 'Roboto';
    src: url('../libraries/webfonts/Roboto-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}

* {
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: #1f1f1ffe;
    color: #333;
    min-height: 100vh;
    background-image: url("/docbro/images/low-contrast-linen.png");
    overflow: hidden;
}

.logo {
    color: #1d1d1d;
    font-family: 'Roboto', sans-serif;
    font-size: 13px;
    font-weight: 600;
    position: absolute;
    top: 0px;
    left: 49px;
    border-color: #fffffeef;
    border-width: 0px 1.5px 1.5px 1.5px;
    border-radius: 0px 0px 6px 6px;
    padding: 2px 6px 3px 6px;
    background-color: #ffc630;
}

/* Settings button and menu */
.settings-btn {
    position: fixed;
    bottom: 26px;
    left: 13px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #a8a8a8;
    border-radius: 50%;
    transition: color 0.2s, background-color 0.2s;
    z-index: 100;
}

.settings-btn:hover {
    color: #fff;
    background-color: rgba(0, 0, 0, 0.08);
}

.settings-btn svg {
    width: 24px;
    height: 24px;
}

.settings-menu {
    position: fixed;
    bottom: 28px;
    left: 45px;
    background: #fffcd8;
    border: 0.5px solid #9c9c9c;
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    padding: 8px 0;
    display: none;
    z-index: 101;
    min-width: 170px;
}

.settings-menu.active {
    display: block;
}

.settings-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    cursor: pointer;
    font-size: 13px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: #333;
    white-space: nowrap;
}

.settings-item:hover {
    background-color: #f5f5f5;
}

.settings-group-label {
    padding: 4px 14px 2px;
    font-size: 11px;
    font-weight: 600;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.settings-item input[type="radio"] {
    accent-color: #d4a944;
    cursor: pointer;
}

.zoom-slider-item {
    gap: 10px;
}

.zoom-slider-item input[type="range"] {
    flex: 1;
    accent-color: #d4a944;
    cursor: pointer;
}

.zoom-slider-item span {
    min-width: 36px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.embedded-video {
    text-align: center;
}

.embedded-video video {
    width: 100%;
    border-radius: 5px;
}

.mxgraph {
    border: none !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow: hidden !important;
}

.mxgraph > div {
    overflow: hidden !important;
}

.container {
    max-width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Split pane layout */
.main-split-container {
    flex: 1;
    display: flex;
    margin: 0px 10px 10px 49px;
    border-radius: 13px;
    overflow: hidden;
    background-color: #fffaeefe;
    background-image: url("/docbro/images/low-contrast-linen.png");
    min-height: 0;
}

.toc-pane {
    max-width: 500px;
    background-color: transparent;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    margin: 8px 2px 8px 8px;
    padding: 8px;
    border: 1px solid #999999;
    border-radius: 7px;
    background-color: #f3fffb99;
    box-shadow: rgba(0, 0, 0, 0.16) 0px 3px 6px, rgba(0, 0, 0, 0.23) 0px 3px 6px;
}

#tocTree {
    flex: 1;
    overflow-x: hidden;
    overflow-y: auto;
    min-height: 0;
    outline: none;
    padding-top: 5px;
}

#tocTree .wb-list-container {
    outline: none;
    cursor: pointer;
    max-height: 0px;
}

.content-pane {
    flex: 1;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.right-pane {
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    margin: 8px 8px 8px 2px;
    border-radius: 7px;
    box-shadow: rgba(0, 0, 0, 0.16) 0px 3px 6px, rgba(0, 0, 0, 0.23) 0px 3px 6px;
}

/* Split.js gutter */
.gutter {
    background-repeat: no-repeat;
    background-position: 50%;
    cursor: col-resize;
}

.gutter:hover {
    background-color: transparent;
}

.gutter.gutter-horizontal {
    width: 5px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="6" height="30"><path d="M2 5v20M4 5v20" stroke="%23999" stroke-width="1"/></svg>');
}

.content-container {
    position: relative;
    flex: 1;
    padding: 7px 0px 7px 3px;
    min-height: 0;
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
}

.document-content {
    display: none;
    width: 100%;
    margin: 0px;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.document-content.active {
    display: flex;
    flex-direction: column;
}

/* Markdown document styling */
.document-content.active.md-doc {
    overflow-y: auto;
}

.md-doc .document-content-inner {
    background-color: #ffffff;
    border: 0.5px solid #999999;
    box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
    border-radius: 3px;
    margin-right: 5px;
    overflow-y: visible;
    flex: none;
    min-height: 100%;
}

.document-content-inner {
    padding: 20px 40px 15px 65px;
    flex: 1;
    min-height: 0;
    overflow-y: auto;
}

/* Scrollbar styling for Markdown (on .document-content.md-doc) */
.document-content.md-doc::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.document-content.md-doc::-webkit-scrollbar-track {
    box-shadow: inset 0 0 5px #dedede;
    border-radius: 8px;
    margin-block: 4px;
}

.document-content.md-doc::-webkit-scrollbar-thumb {
    background-color: #cecece;
    border-radius: 10px;
}

.document-content.md-doc::-webkit-scrollbar-thumb:hover {
    background-color: #76c47e;
    cursor: pointer;
}

/* Scrollbar styling for PDF (on .document-content-inner) */
.document-content-inner.pdf-content::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.document-content-inner.pdf-content::-webkit-scrollbar-track {
    box-shadow: inset 0 0 5px #dedede;
    border-radius: 8px;
    margin-block: 4px;
}

.document-content-inner.pdf-content::-webkit-scrollbar-thumb {
    background-color: #cecece;
    border-radius: 10px;
}

.document-content-inner.pdf-content::-webkit-scrollbar-thumb:hover {
    background-color: #76c47e;
    cursor: pointer;
}

.error-message {
    color: #d32f2f;
    padding: 20px;
    background-color: #ffebee;
    border-radius: 4px;
    border-left: 4px solid #d32f2f;
}

/* Markdown content styling */
.document-content h1 {
    font-size: 2em;
    margin: 0.67em 0;
    border-bottom: 0.5px solid #ccc;
    padding-bottom: 0.3em;
}

.document-content h2 {
    font-size: 1.5em;
    margin: 0.83em 0;
}

.document-content h3 {
    font-size: 1.17em;
    margin: 1em 0;
}

.document-content p {
    margin: 1em 0;
    line-height: 1.6;
}

.document-content code {
    background-color: #f4f4f4;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
}

.document-content pre {
    background-color: #f5f5f5;
    padding: 16px;
    border-radius: 4px;
    overflow-x: auto;
    margin: 1em 0;
}

.document-content pre code {
    background-color: transparent;
    padding: 0;
}

.document-content ul, .document-content ol {
    margin: 1em 0;
    padding-left: 2em;
}

.document-content li {
    margin: 0.5em 0;
    line-height: 1.6;
}

.document-content blockquote {
    border-left: 4px solid #ddd;
    padding-left: 16px;
    margin: 1em 0;
    color: #000000;
}

.document-content a {
    color: #0066cc;
    text-decoration: none;
}

.document-content a:hover {
    text-decoration: underline;
}

.document-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 1em 0;
    font-size: 0.9em;
}

.document-content th,
.document-content td {
    border: 1px solid #ddd;
    padding: 8px 12px;
    text-align: left;
}

.document-content th {
    background-color: #ffddb5;
    font-weight: 600;
}

.document-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

/* PDF rendering */
.document-content-inner.pdf-content {
    padding: 0px 5px 0px 0px;
    align-items: flex-start;
}

.pdf-page {
    position: relative;
    display: flex;
    justify-content: center;
    overflow: hidden;
    border: 0.5px solid #99999999;
    box-shadow: rgba(60, 64, 67, 0.3) 0px 1px 2px 0px, rgba(60, 64, 67, 0.15) 0px 1px 3px 1px;
    max-width: calc(900px * var(--pdf-zoom, 1));
    width: 100%;
    margin: 0 auto 5px auto;
}

.document-content-inner.pdf-content.dual-page .pdf-page {
    margin-bottom: 0;
}

.pdf-page:empty {
    background-color: #f0f0f0;
}

.pdf-page canvas,
.pdf-page img {
    display: block;
    width: 100% !important;
    height: auto !important;
}

.pdf-page .textLayer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    opacity: 0.25;
    line-height: 1.0;
}

.pdf-page .textLayer span {
    color: transparent;
    position: absolute;
    white-space: pre;
    transform-origin: 0% 0%;
    font-size: calc(var(--scale-factor) * var(--font-height));
    transform: scaleX(var(--scale-x));
}

.pdf-page .textLayer ::selection {
    background: rgba(0, 0, 255, 0.3);
}

/* Annotation layer (PDF links) */
.pdf-page .annotationLayer {
    position: absolute;
    top: 0;
    left: 0;
    transform-origin: 0 0;
    z-index: 2;
    pointer-events: none;
}

.pdf-page .annotationLayer section,
.pdf-page .annotationLayer a {
    pointer-events: auto;
    cursor: pointer;
}

/* PDF context menu */
.pdf-context-menu {
    position: fixed;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    padding: 4px 0;
    z-index: 200;
    min-width: 170px;
}

.pdf-context-menu-item {
    padding: 6px 14px;
    cursor: pointer;
    font-size: 13px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: #333;
    white-space: nowrap;
}

.pdf-context-menu-item:hover {
    background-color: #f5f5f5;
}

/* Dual-page PDF layout */
.document-content-inner.pdf-content.dual-page {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: flex-start;
    align-content: flex-start;
    gap: 6px;
}

.document-content-inner.pdf-content.dual-page .pdf-page {
    width: calc(450px * var(--pdf-zoom, 1));
    max-width: calc(50% - 3px);
    flex: 0 0 auto;
    margin: 0;
}

.document-content-inner.pdf-content.dual-page .pdf-page canvas,
.document-content-inner.pdf-content.dual-page .pdf-page img {
    width: 100% !important;
    height: auto !important;
}

.document-content-inner.pdf-content.custom-layout {
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    justify-content: flex-start;
    align-items: flex-start;
    align-content: flex-start;
    gap: 6px;
}

.document-content-inner.pdf-content.custom-layout .pdf-page {
    width: calc(450px * var(--pdf-zoom, 1));
    max-width: calc(450px * var(--pdf-zoom, 1));
    flex: 0 0 auto;
    margin: 0;
}

.document-content-inner.pdf-content.custom-layout .pdf-page canvas,
.document-content-inner.pdf-content.custom-layout .pdf-page img {
    width: 100% !important;
    height: auto !important;
}

.code-block-wrapper {
    position: relative;
}

.code-copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    color: #999;
    padding: 4px 8px;
    font-size: 12px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s, background 0.2s;
    user-select: none;
    -webkit-user-select: none;
}

.code-block-wrapper:hover .code-copy-btn {
    opacity: 1;
}

.code-copy-btn:hover {
    background: rgba(255, 255, 255, 0.053);
    color: #383838;
}

.code-copy-btn.copied {
    color: #2e8b50;
}

/* TOC Tree Wunderbaum styling */
#tocTree .wunderbaum {
    font-family: Roboto, sans-serif;
    font-size: 12px;
    background: transparent;
}

/* Folder icons color */
#tocTree .wunderbaum i.fa-folder,
#tocTree .wunderbaum .fa-folder,
#tocTree .fa-folder {
    color: #eec541 !important;
    -webkit-text-stroke: 1px #666666;
    paint-order: stroke fill;
}

#tocTree .wunderbaum i.fa-folder-open,
#tocTree .wunderbaum .fa-folder-open,
#tocTree .fa-folder-open {
    color: #eec541 !important;
    -webkit-text-stroke: 1px #666666;
    paint-order: stroke fill;
}

/* File (doc) icons color */
#tocTree .wunderbaum .fa-file,
#tocTree .fa-file {
    color: #fff9ddab !important;
    -webkit-text-stroke: 1px #666666;
    paint-order: stroke fill;
}

#tocTree .wunderbaum span.wb-node {
    padding: 3px 6px;
    border-radius: 3px;
}

#tocTree .wunderbaum span.wb-node:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

#tocTree .wunderbaum span.wb-node.wb-active {
    background-color: #e8dfc4;
    font-weight: 500;
}

#tocTree .wunderbaum span.wb-node.wb-focus {
    outline: none;
}

/* Category nodes */
#tocTree .wunderbaum .wb-row[data-type="category"] span.wb-node {
    font-weight: 600;
    color: #1a1a1a;
}

/* Document nodes */
#tocTree .wunderbaum .wb-row[data-type="document"] span.wb-node {
    color: #333;
}

/* Document nodes - not loaded yet */
#tocTree .wunderbaum .wb-row[data-type="document"][data-loaded="false"] span.wb-node {
    font-style: italic;
    color: #666;
}

/* Header nodes */
#tocTree .wunderbaum .wb-row[data-type="header"] span.wb-node {
    color: #555;
    font-size: 12px;
}

/* Scrollbar for TOC */
#tocTree::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

#tocTree::-webkit-scrollbar-track {
    box-shadow: inset 0 0 5px #dedede;
    border-radius: 8px;
    margin-block: 4px;
}

#tocTree::-webkit-scrollbar-thumb {
    background-color: #cecece;
    border-radius: 10px;
}

#tocTree::-webkit-scrollbar-thumb:hover {
    background-color: #76c47e;
    cursor: pointer;
}

/* Loading indicator in document node */
#tocTree .wunderbaum .wb-row[data-loading="true"] span.wb-node::after {
    content: " ...";
    color: #999;
}

/* Force no border and transparent background on Wunderbaum */
div.wunderbaum,
#tocTree div.wunderbaum,
.wunderbaum {
    border: none !important;
    background: transparent !important;
    background-color: transparent !important;
    outline: none !important;
}

div.wunderbaum span.wb-node span.wb-title {
    min-width: 1em;
    vertical-align: middle !important;
    overflow-x: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    padding-left: 2px;
    font-size: 0.9em;
    font-family: 'Roboto', sans-serif !important;
    padding-bottom: 2px;
}

#tocTree *:focus,
#tocTree *:focus-visible {
    outline: none !important;
    border-color: transparent !important;
}

i.wb-expander.fa-solid {
    font-size: 10px;
    text-align: center;
    vertical-align: middle !important;
    margin-top: 3px;
}

div.wb-row.wb-active {
    background-color: #aee7b4 !important;
    border-radius: 1px;
}