/* ========================================
   Base Styles - Reset & Typography
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #202122;
}

/* ========================================
   Header Styles
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 50px;
    background: #fff;
    border-bottom: 1px solid #a2a9b1;
    display: flex;
    align-items: center;
    padding: 0;
    z-index: 100;
    justify-content: space-between;
}

.header-title {
    font-size: 1.5em;
    font-weight: 500;
    margin-left: 20px;
}

.header-links {
    display: flex;
    gap: 20px;
    align-items: center;
    margin-right: 20px;
}

.header-link {
    color: #3366cc;
    text-decoration: none;
    font-size: 14px;
}

.header-link:hover {
    text-decoration: underline;
}

/* Header Dropdown */
.header-dropdown {
    position: relative;
    display: inline-block;
}

.header-dropdown-content {
    display: none;
    position: absolute;
    background-color: #fff;
    min-width: 80px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    border: 1px solid #a2a9b1;
    border-radius: 3px;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
}

.header-dropdown:hover .header-dropdown-content {
    display: block;
}

.header-dropdown-btn {
    color: #3366cc;
    text-decoration: none;
    font-size: 14px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    font-family: inherit;
    display: inline;
    text-align: center;
    width: 100%;
}

.header-dropdown-content a {
    color: #3366cc;
    text-decoration: none;
    padding: 4px 8px;
    display: block;
    font-size: 14px;
    white-space: nowrap;
    text-align: center;
}

.header-dropdown-content a:hover {
    background-color: #f8f9fa;
    text-decoration: underline;
}

/* ========================================
   Layout - Container
   ======================================== */
.container {
    display: flex;
    margin-top: 50px;
    min-height: calc(100vh - 50px);
}

/* ========================================
   Left Sidebar Styles
   ======================================== */
.sidebar {
    width: 260px;
    background: #f8f9fa;
    border-right: 1px solid #a2a9b1;
    padding: 20px;
    position: fixed;
    top: 50px;
    bottom: 0;
    overflow-y: auto;
    scroll-behavior: smooth;
}

/* Sidebar scrollbar - hidden by default */
.sidebar::-webkit-scrollbar {
    width: 8px;
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background-color: transparent;
    border-radius: 4px;
    transition: background-color 0.3s;
}

/* Show scrollbar on hover */
.sidebar:hover::-webkit-scrollbar-thumb,
.sidebar:active::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.2);
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0, 0, 0, 0.4);
}

/* Sidebar Toggle Button */
.sidebar-toggle {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    cursor: pointer;
    color: #666;
    font-size: 16px;
    padding: 5px;
    z-index: 100;
}

.sidebar-toggle:hover {
    color: #333;
}

.sidebar-toggle svg {
    width: 16px;
    height: 16px;
}

/* ========================================
   Navigation Styles
   ======================================== */
.nav-section {
    margin: 8px 0;
}

.nav-section-title {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: #202122;
    padding: 6px 0;
    font-weight: 500;
}

.nav-section-title:hover {
    background-color: #f0f0f0;
    border-radius: 3px;
}

.nav-toggle {
    width: 16px;
    height: 16px;
    margin-right: 8px;
    position: relative;
}

.nav-toggle::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 6px;
    height: 6px;
    border-right: 2px solid #72777d;
    border-bottom: 2px solid #72777d;
    transform: translate(-75%, -50%) rotate(45deg);
    transition: transform 0.2s;
}

.nav-section.collapsed .nav-toggle::before {
    transform: translate(-75%, -75%) rotate(-45deg);
}

.nav-section.collapsed .nav-items {
    display: none;
}

.nav-items {
    margin-left: 24px;
}

.nav-link {
    color: #3366cc;
    text-decoration: none;
    display: block;
    padding: 4px 0;
    font-size: 14px;
}

.nav-link:hover {
    text-decoration: underline;
}

/* ========================================
   Right Sidebar Styles
   ======================================== */
.right-sidebar {
    width: 260px;
    background: #f8f9fa;
    border-left: 1px solid #a2a9b1;
    padding: 20px;
    position: fixed;
    top: 50px;
    right: -260px;
    bottom: 0;
    overflow-y: auto;
    transition: right 0.6s ease;
    scroll-behavior: smooth;
    z-index: 99;
}

.right-sidebar.active {
    right: 0;
}

/* Right sidebar trigger area */
.right-sidebar-trigger {
    position: fixed;
    top: 50px;
    right: 0;
    width: 30px;
    height: calc(100vh - 50px);
    z-index: 98;
}

/* Show sidebar on hover */
.right-sidebar-trigger:hover + .right-sidebar:not(:empty),
.right-sidebar:not(:empty):hover,
.right-sidebar.active:not(:empty),
.right-sidebar.locked:not(:empty) {
    right: 0;
}

/* Adjust main content when sidebar is locked */
.right-sidebar.locked ~ .main-content {
    margin-right: 260px;
}

/* Lock button */
.right-lock-button {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    cursor: pointer;
    color: #666;
    font-size: 16px;
    padding: 5px;
    z-index: 100;
}

.right-lock-button:hover {
    color: #333;
}

/* ========================================
   Main Content Styles
   ======================================== */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 40px;
    max-width: 1000px;
}

.main-content.shifted {
    margin-right: 260px;
}

/* ========================================
   Markdown Body Styles
   ======================================== */
.markdown-body h1 {
    font-size: 1.8em;
    margin-bottom: 0.8em;
    padding-bottom: 0.3em;
    border-bottom: 1px solid #a2a9b1;
    color: #000;
    font-family: 'Linux Libertine', 'Georgia', 'Times', serif;
}

.markdown-body h2 {
    font-size: 1.5em;
    margin: 1em 0;
    padding-bottom: 0.2em;
    border-bottom: 1px solid #c8ccd1;
    color: #162441;
    font-family: 'Linux Libertine', 'Georgia', 'Times', serif;
}

.markdown-body p {
    margin: 1em 0;
    line-height: 1.6;
}

.markdown-body code {
    padding: 0.2em 0.4em;
    background-color: #f6f8fa;
    border-radius: 3px;
    font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;
}

.markdown-body pre {
    margin: 1em 0;
    padding: 16px;
    overflow: auto;
    background-color: #f6f8fa;
    border-radius: 3px;
    font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;
}

.markdown-body pre code {
    padding: 0;
    background-color: transparent;
}

.markdown-body ul {
    margin: 1em 0;
    padding-left: 40px;
}

/* ========================================
   Table Styles
   ======================================== */
.markdown-body table {
    border-collapse: collapse;
    width: 100%;
    margin: 1em 0;
}

.markdown-body th,
.markdown-body td {
    border: 1px solid #d0d7de;
    padding: 8px 12px;
}

.markdown-body th {
    background-color: #f6f8fa;
    font-weight: 600;
}

.markdown-body tr:nth-child(even) {
    background-color: #f8f9fa;
}

.markdown-body tr:hover {
    background-color: #f1f2f3;
}

/* ========================================
   Footer Styles
   ======================================== */
footer {
    font-size: small;
    border-top: 1px solid #c0c0c0;
    padding-top: 0.1em;
    margin-top: 0.1em;
    color: #c0c0c0;
    margin-left: 230px;
}

footer a {
    color: #80a0b0;
}

.footer-text {
    padding-left: 40px;
    padding-bottom: -10px;
}