:root {
    --sidebar-width: 260px;
    --header-height: 50px;
    --primary-color: #00ff41; /* Hacker Green */
    --secondary-color: #008F11;
    --sidebar-bg: #1a1a1a;
    --bg-color: #1e1e1e;
    --text-color: #d4d4d4;
    --border-color: #333333;
    --terminal-font: 'Consolas', 'Monaco', 'Courier New', monospace;
}

body {
    margin: 0;
    font-family: var(--terminal-font);
    color: var(--text-color);
    background: var(--bg-color);
    display: flex;
    overflow-x: hidden;
}

/* Sidebar - Hacker Style */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 50;
    display: flex;
    flex-direction: column;
    color: #00ff41;
    border-right: 1px solid #1a1a1a;
    box-shadow: 2px 0 0 rgba(0, 255, 65, 0.1);
}

.brand {
    padding: 0 1.5rem;
    height: var(--header-height);
    display: flex;
    align-items: center;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: #fff;
    background: #000;
    border-bottom: 1px solid #333;
}

.brand span {
    color: var(--primary-color);
    margin-right: 0.5rem;
    text-shadow: 0 0 5px var(--primary-color);
}

.brand span {
    color: #3b82f6; /* Accent color */
    margin-right: 0.75rem;
    font-size: 1.2rem;
}

.nav-group {
    padding: 1.5rem 0.75rem;
    flex: 1;
    overflow-y: auto;
}

/* Scrollbar for sidebar */
.nav-group::-webkit-scrollbar {
    width: 5px;
}
.nav-group::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 4px;
}
.nav-group::-webkit-scrollbar-track {
    background: transparent;
}

.nav-header {
    padding: 0.5rem 1rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    color: #475569; /* Muted label */
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

/* Folder / Item Styling */
.folder-group {
    margin-bottom: 2px;
}

.folder-group summary {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    color: #cbd5e1; /* Lighter text */
    border-radius: 6px;
    font-weight: 500;
}

.folder-group summary:hover {
    background: #2d2d2d;
    color: #fff;
}

.folder-content {
    margin-top: 2px;
    padding-left: 0; /* Flat look, utilize indent on items */
    position: relative;
}
/* Subtle guide line */
.folder-content::before {
    left: 1.25rem;
    width: 2px;
    background: #333;
    opacity: 0.5;
}

.nav-item {
    display: flex; /* Flex for better alignment */
    align-items: center;
    padding: 0.5rem 1rem 0.5rem 2.25rem; /* Indent */
    color: #a0a0a0;
    font-size: 0.85rem;
    border-radius: 4px;
    margin-bottom: 2px;
    font-weight: 400;
    border-left: 2px solid transparent; /* Left border indicator prep */
}

.nav-item:hover {
    color: #fff;
    background: #2d2d2d;
}

.nav-item.active {
    background: rgba(59, 130, 246, 0.1); /* Translucent Blue */
    color: #60a5fa; /* Brihter blue text */
    border-left-color: #3b82f6; /* Accent line */
    font-weight: 500;
}

/* Bottom Profile */
.user-profile {
    padding: 1rem 1.5rem;
    background: #111;
    border-top: 1px solid #333;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    border-radius: 8px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9rem;
}

/* Main Wrapper */
.main-wrapper {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Navigation - Terminal Style */
.top-header {
    height: var(--header-height);
    background: #000000;
    border-bottom: 1px solid #333;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 3rem;
    position: sticky;
    top: 0;
    z-index: 40;
}

.breadcrumb {
    color: #00ff41;
    font-size: 0.9rem;
    font-weight: bold;
    font-family: var(--terminal-font);
}
.breadcrumb::before {
    content: '> ';
    color: #fff;
}

.search-container {
    position: relative;
    width: 320px;
}

.search-input {
    width: 100%;
    padding: 0.4rem 1rem 0.4rem 1rem;
    border: 1px solid #333;
    border-radius: 0; /* Square corners */
    background: #000;
    font-family: var(--terminal-font);
    font-size: 0.9rem;
    color: #00ff41;
    transition: all 0.2s;
}

.search-input:focus {
    outline: none;
    border-color: #00ff41;
    box-shadow: 0 0 8px rgba(0, 255, 65, 0.3);
}

.search-input::placeholder {
    color: #444;
}

.search-shortcut {
    display: none; /* Simplify */
}
.search-icon { display: none; }

/* Search Results - Terminal Output */
.search-results {
    background: #000;
    border: 1px solid #00ff41;
    border-radius: 0;
    margin-top: 5px;
    box-shadow: 0 0 10px rgba(0,255,65,0.2);
}

.search-result-item {
    color: #ccc;
    font-family: var(--terminal-font);
    border-bottom: 1px dashed #333;
}
.search-result-item:hover {
    background: #111;
    color: #00ff41;
}

/* Content Area */
.content-area {
    padding: 2rem 3rem;
    max-width: 1000px;
    margin: 2rem auto;
    width: 90%;
    box-sizing: border-box;
    border-radius: 4px;
    min-height: calc(100vh - 8rem);
    transition: all 0.3s ease;
}

/* === MODE 1: Dashboard (Black Background, Hacker Green) === */
.dashboard-mode .content-area {
    background: #0d0d0d;
    border: 1px solid #333;
    color: #00ff41;
}

.dashboard-mode .stat-card {
    border: 1px solid #333; 
    padding: 1rem; 
    background: #1a1a1a;
}
.article-title { /* Hide redundant title on dashboard if it appears, or style it */
   display: none; 
} 
/* Force display for article pages */
.article-mode .article-title {
    display: block;
}

/* === MODE 2: Article (White Paper Style) === */
.article-mode .content-area {
    background: #ffffff;
    border: 1px solid #ddd;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    color: #333;
}

/* Typography Overrides */
.markdown-body {
    font-family: var(--terminal-font);
    font-size: 16px;
    line-height: 1.7;
}
/* Article Text */
.article-mode .markdown-body { color: #333; }
.dashboard-mode .markdown-body { color: #ccc; }

/* Headings - High Visibility */
/* Article Title (Injected via Template) */
.article-title {
    color: #111;
    font-size: 2.2em;
    padding-bottom: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid #00ff41; /* Keep the hacker green accent */
    text-shadow: none;
    line-height: 1.3;
}

.markdown-body h1, .article-header h1 {
    color: #000;
    font-size: 2.5em;
    border-bottom: 2px solid #eee;
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    text-shadow: none;
}

.markdown-body h2 {
    color: #222;
    font-size: 1.8em;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    border-left: 5px solid #00ff41;
    padding-left: 1rem;
    background: #f5f5f5; /* Light grey block */
    display: flex;
    align-items: center;
}

.markdown-body h3 {
    color: #008F11; /* Darker Green */
    font-size: 1.4em;
    margin-top: 2rem;
    border-bottom: 1px dashed #ccc;
    padding-bottom: 5px;
}

.markdown-body h4 {
    color: #333;
    font-size: 1.2em;
    font-weight: bold;
    margin-top: 1.5rem;
}

.markdown-body h5, .markdown-body h6 {
    color: #666;
    font-weight: bold;
    font-size: 1.1em;
    margin-top: 1rem;
}

.markdown-body h1 a, .markdown-body h2 a, .markdown-body h3 a, .markdown-body h4 a {
    color: inherit;
    text-decoration: none;
    border: none;
}

/* Text Elements & Colors */
.markdown-body p { margin-bottom: 1rem; line-height: 1.8; }
.markdown-body strong { color: #000; text-shadow: none; font-weight: 700; }
.markdown-body em { color: #008F11; }
.markdown-body a {
    color: #007acc; /* Blue links for white paper */
    text-decoration: none;
    border-bottom: 1px dashed #007acc;
}
.markdown-body a:hover {
    background: rgba(0, 122, 204, 0.1);
    color: #005a9e;
}

/* Code Blocks - Mac/Github Style with Wrapping */
.markdown-body pre {
    background: #f6f8fa !important;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    padding: 3rem 1.2rem 1.2rem 1.2rem; /* Top padding for window bar */
    margin: 1.5rem 0;
    position: relative;
    color: #24292f;
    /* KEY FIX: Enable Wrapping */
    white-space: pre-wrap !important;
    word-wrap: break-word !important; 
    overflow-x: hidden; /* No scrollbar unless absolutely necessary */
}

/* Mac Window Header */
.markdown-body pre::before {
    content: "● ● ●";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 28px;
    background: #e1e4e8;
    border-bottom: 1px solid #d0d7de;
    border-top-left-radius: 6px;
    border-top-right-radius: 6px;
    
    /* Simulate Buttons */
    color: transparent; /* Hide text dots we used before */
    text-shadow: 
        20px 0 0 #ff5f56, /* Red */
        40px 0 0 #ffbd2e, /* Yellow */
        60px 0 0 #27c93f; /* Green */
    line-height: 28px;
    font-size: 14px; /* Size for dots */
}
/* Adjust Prism Code Placement */
.markdown-body code {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
    /* Ensure code wraps */
    white-space: pre-wrap !important;
    word-break: break-all;
}

/* Inline Code */
.markdown-body p code, .markdown-body li code {
    background: #f6f8fa;
    color: #d32f2f; /* Red for inline code on white */
    padding: 2px 6px;
    border-radius: 2px;
    border: 1px solid #ddd;
    text-shadow: none;
}

/* Table Styling */
.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    border: 1px solid #333;
}
.markdown-body th {
    background: #111;
    color: #00ff41;
    border: 1px solid #333;
    padding: 0.75rem;
    text-align: left;
}
.markdown-body td {
    border: 1px solid #333;
    padding: 0.75rem;
    color: #ccc;
}
.markdown-body tr:nth-child(even) { background: #0a0a0a; }

.sidebar::-webkit-scrollbar { width: 5px; background: #000; }
.sidebar::-webkit-scrollbar-thumb { background: #333; }

/* Typography Upgrade */
.markdown-body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.75; /* Relaxed line height */
    color: #374151; /* Softer black */
    letter-spacing: -0.01em; /* Tighter letter spacing for modern feel */
}

/* Headings */
.markdown-body h1, .article-header h1 {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: #111827;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #f3f4f6;
}

.markdown-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: #1f2937;
    letter-spacing: -0.015em;
}

.markdown-body h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 2rem;
    color: #374151;
}

/* Images & Code Overflow Fixes */
img {
    max-width: 100%;
    max-height: 600px; /* Limit height */
    height: auto;
    border-radius: 4px;
    display: block;
    margin: 1.5rem auto; /* Center images */
    box-shadow: 0 4px 6px rgba(0,0,0,0.05); /* Subtle shadow for depth */
}

a {
    text-decoration: none; /* Remove underlines from all links by default */
    color: inherit;
}

a:hover {
    color: var(--primary-color);
}

/* Specific content links restoration if needed */
.article-header h1, .markdown-body h1, h2, h3, h4 {
    color: #111827;
}

/* Markdown specific link styling */
.markdown-body a {
    color: var(--primary-color);
    text-decoration: none;
}
.markdown-body a:hover {
    text-decoration: underline;
}

pre {
    max-width: 100%;
    overflow-x: auto;
    background: #f1f5f9;
    padding: 1rem;
    border-radius: 6px;
    white-space: pre-wrap; /* Wrap long lines optionally, or use pre for scroll */
    word-wrap: break-word; /* Prevent long words from breaking layout */
}

code {
    font-family: 'JetBrains Mono', Consolas, Monaco, monospace;
    font-size: 0.9em;
}

/* Prevent table overflow */
table {
    display: block;
    overflow-x: auto;
    width: 100%;
    max-width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

th, td {
    padding: 0.75rem;
    border: 1px solid #e5e7eb;
}

/* --- Dashboard / Card Grid --- */
.dashboard-header {
    margin-bottom: 2rem;
}
.dashboard-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
}

/* Stats Cards */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    border: 1px solid #e5e7eb;
    display: flex;
    flex-direction: column;
}
.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: #111827;
    margin-top: auto;
}
.stat-label {
    font-size: 0.875rem;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* --- Dashboard New Style --- */
.dashboard-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.welcome-banner {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.welcome-text h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
}

.welcome-text p {
    margin: 0;
    opacity: 0.9;
    font-size: 0.95rem;
}

.welcome-date {
    font-size: 0.9rem;
    background: rgba(255,255,255,0.2);
    padding: 4px 12px;
    border-radius: 20px;
    backdrop-filter: blur(4px);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.stat-box {
    background: white;
    padding: 1.25rem;
    border-radius: 10px;
    border: 1px solid #f3f4f6;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s;
}

.stat-box:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: #111827;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-title {
    font-size: 0.8rem;
    color: #6b7280;
    font-weight: 500;
}

/* Modern Table for Recent Files */
.table-panel {
    background: white;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    overflow: hidden;
}

.panel-header {
    padding: 1.25rem;
    border-bottom: 1px solid #f3f4f6;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1f2937;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    padding: 1rem 1.5rem;
    background: #f9fafb;
    color: #6b7280;
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.data-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #f3f4f6;
    color: #374151;
    font-size: 0.9rem;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background: #fdfdfd;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}
.status-success { background: #dcfce7; color: #166534; }
.status-blue { background: #dbeafe; color: #1e40af; }

/* Grid for Articles */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.doc-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    text-decoration: none !important; /* Force remove underline */
}

.doc-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 20px -8px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.doc-body {
    padding: 1.5rem;
    flex: 1;
}

.doc-tag {
    display: inline-block;
    padding: 2px 8px;
    background: #eff6ff;
    color: var(--primary-color);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    text-decoration: none;
}

.doc-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.75rem;
    line-height: 1.4;
    text-decoration: none;
}

.doc-preview {
    font-size: 0.875rem;
    color: #6b7280;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-decoration: none;
}

.doc-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid #f3f4f6;
    background: #f9fafb;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: #9ca3af;
}

/* Responsive */
@media (max-width: 768px) {
    :root { --sidebar-width: 0px; }
    .sidebar { transform: translateX(-100%); width: 280px; }
    .sidebar.open { transform: translateX(0); }
    .main-wrapper { margin-left: 0; }
    .content-area { padding: 1rem; }
}