:root {
    --bg-main: #161618;      /* Deep Stone / Obsidian */
    --bg-sidebar: #1C1C1F;   /* Dark Slate */
    --bg-card: #222225;      /* Slate */
    --text-primary: #E2E8F0;
    --text-secondary: #94A3B8;
    --accent: #FFFFFF;       /* White Accent */
    --accent-dark: #DDDDDD;  /* Light Gray */
    --accent-glow: rgba(255, 255, 255, 0.15);
    --border-color: rgba(255, 255, 255, 0.08);
    --success: #55FF55;
    --warning: #FFAA00;      /* Minecraft Gold */
    --danger: #FF5555;       /* Minecraft Redstone */
    --code-bg: #0F1115;
    
    /* Scrollbar */
    --scrollbar-track: #161618;
    --scrollbar-thumb: #3B3B3B;
    --scrollbar-thumb-hover: #555555;
}

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

/* Custom Scrollbar for Minecraft Theme */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-sidebar);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 100%;
        max-width: 300px;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .search-bar {
        display: none;
    }
}

/* PrismJS Overrides - VS Code Dark+ Theme */
code[class*="language-"],
pre[class*="language-"] {
    color: #d4d4d4 !important;
    text-shadow: none !important;
    font-family: 'Fira Code', Consolas, Monaco, monospace !important;
    font-size: 0.95rem !important;
    line-height: 1.5 !important;
    direction: ltr;
    text-align: left;
    white-space: pre;
    word-spacing: normal;
    word-break: normal;
    tab-size: 4;
    hyphens: none;
}

pre[class*="language-"] {
    padding: 1.5rem !important;
    margin: 0 !important;
    overflow: auto;
    background: #1e1e1e !important;
    border-radius: 0 0 8px 8px !important;
    border-top: 1px solid var(--border-color) !important;
}

.token.comment, .token.prolog, .token.doctype, .token.cdata { color: #6A9955 !important; }
.token.punctuation { color: #d4d4d4 !important; }
.token.namespace { opacity: .7; }
.token.property, .token.tag, .token.boolean, .token.number, .token.constant, .token.symbol, .token.deleted { color: #b5cea8 !important; }
.token.selector, .token.attr-name, .token.string, .token.char, .token.builtin, .token.inserted { color: #ce9178 !important; }
.token.operator, .token.entity, .token.url, .language-css .token.string, .style .token.string { color: #d4d4d4 !important; }
.token.atrule, .token.attr-value, .token.keyword { color: #569cd6 !important; }
.token.function { color: #dcdcaa !important; }
.token.class-name { color: #4EC9B0 !important; }
.token.regex, .token.important, .token.variable { color: #9cdcfe !important; }

/* Specific Java Overrides for VS Code match */
.language-java .token.class-name { color: #4EC9B0 !important; }
.language-java .token.keyword { color: #569cd6 !important; }
.language-java .token.function { color: #dcdcaa !important; }
.language-java .token.operator { color: #d4d4d4 !important; }



body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    overflow: hidden;
}

.page-wrapper {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.app-container {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar Styling - Modern Docs Style */
.sidebar {
    width: 300px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: transform 0.3s ease;
    z-index: 100;
}

.sidebar-header {
    height: 80px;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    line-height: 1;
    padding-bottom: 2px;
    color: #111;
}

.sidebar-header h2, .topbar-left h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin: 0;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem 1rem;
}

.nav-section {
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    cursor: default;
    user-select: none;
}

.expandable .section-title {
    cursor: pointer;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.expandable .section-title:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.toggle-icon {
    margin-right: 0.5rem;
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.expandable:not(.expanded) .toggle-icon {
    transform: rotate(-90deg);
}

.expandable:not(.expanded) .section-content {
    display: none;
}

.section-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-size: 0.95rem;
    font-weight: 500;
}

.nav-item i {
    font-size: 1rem;
    width: 16px;
    text-align: center;
    opacity: 0.7;
}

.nav-item:hover {
    color: var(--accent);
    background-color: var(--accent-glow);
}

.nav-item.active {
    background-color: var(--accent-glow);
    color: var(--accent);
    font-weight: 600;
}

.nav-emoji {
    font-size: 1.2rem;
    margin-right: 8px;
    vertical-align: middle;
}

.nav-item.active .nav-emoji {
    opacity: 1;
}

/* Main Content Area */
.content-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.topbar {
    height: 80px;
    background-color: var(--bg-main);
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: inset 0 -10px 20px rgba(0,0,0,0.5);
    width: 100%;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-left: 1.5rem;
    width: 300px; /* match sidebar width roughly */
}

.topbar-right-group {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding-right: 2rem;
    flex: 1;
    justify-content: flex-end;
}

.github-btn {
    text-decoration: none;
    background-color: var(--bg-sidebar) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
}

.github-btn:hover {
    background-color: var(--border-color) !important;
}

#topbar-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 0;
    pointer-events: none;
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 60%, rgba(0,0,0,0) 100%);
    mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 60%, rgba(0,0,0,0) 100%);
}

/* Custom Toast Notification */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 9999;
    pointer-events: none;
}

.toast {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    gap: 1rem;
    transform: translateX(120%);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    pointer-events: auto;
}

.toast.show {
    transform: translateX(0);
}

.toast.error { border-left: 4px solid var(--danger); }
.toast.success { border-left: 4px solid var(--success); }
.toast.warning { border-left: 4px solid var(--warning); }

/* Right Sidebar (User Management) */
.right-sidebar {
    position: fixed;
    top: 80px; /* Below topbar */
    right: -350px;
    width: 350px;
    height: calc(100vh - 80px);
    background-color: var(--bg-sidebar);
    border-left: 1px solid var(--border-color);
    box-shadow: -5px 0 20px rgba(0,0,0,0.5);
    z-index: 100;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

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

.right-sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.right-sidebar-header h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
}

.right-sidebar-header button {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.2s;
}

.right-sidebar-header button:hover {
    color: var(--danger);
}

.right-sidebar-content {
    padding: 1.5rem;
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.user-card {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.user-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-email {
    font-weight: 600;
    color: var(--text-primary);
    word-break: break-all;
}

.user-role {
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    background: var(--accent-glow);
    color: var(--accent);
}

.user-role.admin-role {
    background: rgba(255, 170, 0, 0.2);
    color: var(--warning);
}

.user-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.user-actions button {
    flex: 1;
    padding: 0.5rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    transition: opacity 0.2s;
}

.user-actions button:hover {
    opacity: 0.8;
}

.btn-del-user {
    background: var(--danger);
    color: #fff;
}

.btn-edit-user {
    background: var(--bg-card);
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-primary);
}

.search-bar {
    display: flex;
    align-items: center;
    background-color: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    width: 320px;
    transition: all 0.2s ease;
}

.search-bar:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.search-bar i {
    color: var(--text-secondary);
    margin-right: 0.75rem;
}

.search-bar input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    outline: none;
    width: 100%;
    font-family: inherit;
    font-size: 0.95rem;
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-top: 0.5rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    max-height: 350px;
    overflow-y: auto;
    z-index: 100;
}

.search-result-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s, color 0.2s;
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.search-result-item:hover .search-result-title {
    color: var(--accent);
}

.search-result-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.search-result-snippet {
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.version-badge {
    background-color: var(--bg-sidebar);
    border: 1px solid var(--border-color);
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
}

/* Dynamic Content */
.content-container {
    padding: 2.5rem 4rem 5rem;
    overflow-y: auto;
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.markdown-body {
    max-width: 850px;
    width: 100%;
}

/* Markdown Styles - Clean Docs Aesthetic */
.markdown-body h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.markdown-body h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-top: 3rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    letter-spacing: -0.02em;
}

.markdown-body h3 {
    font-size: 1.35rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.markdown-body p {
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
    line-height: 1.7;
}

.markdown-body ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.markdown-body li {
    margin-bottom: 0.5rem;
}

.markdown-body strong {
    color: var(--text-primary);
    font-weight: 600;
}

.text-accent {
    color: var(--accent);
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    margin: 2rem 0;
}

.feature-card {
    background-color: var(--bg-card);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.feature-emoji {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.feature-card h4 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Code Blocks - Modern look */
.code-block {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin: 1.5rem 0;
    overflow: hidden;
    position: relative;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
}

.code-header {
    background-color: var(--bg-sidebar);
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    font-family: 'Inter', sans-serif;
    color: var(--text-secondary);
}

.code-title {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.code-copy {
    cursor: pointer;
    transition: color 0.2s;
}

.code-copy:hover {
    color: var(--text-primary);
}

.code-content {
    padding: 1.25rem;
    overflow-x: auto;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    color: #e2e8f0;
    white-space: pre;
    tab-size: 4;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 8px;
    margin: 1.5rem 0;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    border: 1px solid transparent;
}

.alert-info {
    background-color: rgba(85, 255, 255, 0.05); /* Minecraft Aqua tint */
    border-color: rgba(85, 255, 255, 0.2);
}

.alert-info i { color: #55FFFF; font-size: 1.25rem; margin-top: 0.1rem; }
.alert-info strong { color: #55FFFF; }

.alert-warning {
    background-color: rgba(255, 170, 0, 0.05);
    border-color: rgba(255, 170, 0, 0.2);
}

.alert-warning i { color: var(--warning); font-size: 1.25rem; margin-top: 0.1rem; }
.alert-warning strong { color: var(--warning); }

.fade-in {
    animation: fadeIn 0.3s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 900px) {
    .content-container {
        padding: 2rem 2rem 4rem;
    }
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 5px 0 25px rgba(0,0,0,0.5);
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .content-container {
        padding: 1.5rem 1.5rem 4rem;
    }
    
    .search-bar {
        width: 200px;
    }
}

.site-footer {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    background-color: var(--bg-sidebar);
    width: 100%;
    z-index: 50;
}

/* Admin Styles & Modals */
.admin-btn {
    background: var(--accent-glow);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-btn:hover {
    background: var(--accent);
    color: #111;
}

.admin-controls {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 1rem;
    border-top: 1px solid var(--border-color);
}

.admin-action-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}
.admin-action-btn:hover {
    background: var(--accent);
    color: #111;
}

.admin-action-btn.danger:hover {
    background: var(--danger);
    color: white;
}

.tree-item-controls {
    display: none;
    margin-left: auto;
    gap: 0.25rem;
}

.admin-mode .tree-item-controls {
    display: flex;
}

.tree-item-controls button {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 0.2rem;
    border-radius: 3px;
}
.tree-item-controls button:hover {
    background: rgba(255,255,255,0.1);
    color: var(--text-primary);
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 1000;
    display: none;
    justify-content: center;
    align-items: center;
}

.modal-overlay.active {
    display: flex;
}

.modal-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    overflow: hidden;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-sidebar);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.2rem;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input, .form-group select, .form-group textarea {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem;
    border-radius: 6px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--accent);
}

.btn-primary {
    background: var(--accent);
    color: #111;
    border: none;
    padding: 0.75rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
    margin-top: 0.5rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
}

.editor-textarea {
    width: 100%;
    min-height: 400px;
    background: var(--code-bg);
    color: #e2e8f0;
    font-family: 'Fira Code', monospace;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    resize: vertical;
}

/* Nested nav support */
.nav-section {
    position: relative;
}
.nav-section .nav-section {
    margin-left: 1rem;
    margin-bottom: 0.5rem;
    border-left: 1px solid var(--border-color);
    padding-left: 0.5rem;
}