/* ============================================================
   HARD FORCE LIGHT MODE (Browser & Extension Safe)
   ============================================================ */

   :root {
    color-scheme: light;
  }
  
  * {
    box-sizing: border-box;
  }
  
  /* Kill browser dark-mode transformations */
  html, body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
                 Helvetica, Arial, sans-serif;
    background-color: #ffffff !important;
    color: #24292f !important;
  }
  
  /* ============================================================
     Header
     ============================================================ */
  
  header {
    background: #24292f;
    color: #ffffff;
    padding: 0 20px;
    font-size: 14px;
    font-weight: 600;
    height: 48px;
    display: flex;
    align-items: center;
  }
  
  /* ============================================================
     Layout
     ============================================================ */
  
  .app {
    display: flex;
    height: calc(100vh - 48px);
  }
  
  /* ============================================================
     Sidebar
     ============================================================ */
  
  nav {
    width: 280px;
    min-width: 280px;
    background: #f6f8fa;
    border-right: 1px solid #d0d7de;
    padding: 16px;
    overflow-y: auto;
  }
  
  nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  nav a {
    display: block;
    padding: 8px 12px;
    font-size: 14px;
    color: #24292f;
    text-decoration: none;
    border-radius: 6px;
    cursor: pointer;
    margin-bottom: 2px;
  }
  
  nav a:hover {
    background-color: rgba(208, 215, 222, 0.32);
  }
  
  nav a.active {
    background-color: rgba(208, 215, 222, 0.48);
    font-weight: 600;
  }
  
  /* ============================================================
     Main Content
     ============================================================ */
  
  .content {
    flex: 1;
    overflow-y: auto;
    background-color: #ffffff !important;
  }
  
  /* ============================================================
     File Header
     ============================================================ */
  
  .view-header {
    padding: 8px 24px;
    border-bottom: 1px solid #d0d7de;
    background-color: #ffffff;
  }
  
  .file-name {
    font-family: ui-monospace, monospace;
    font-size: 12px;
    color: #57606a;
  }
  
  /* ============================================================
     Markdown – FULL WIDTH (LIGHT MODE LOCKED)
     ============================================================ */
  
  .markdown-body {
    width: 100%;
    padding: 32px 48px;
    background-color: #ffffff !important;
    color: #24292f !important;
    font-size: 14px;
    line-height: 1.6;
  }
  
  /* Hard lock all markdown children */
  .markdown-body * {
    background-color: transparent !important;
    color: #24292f !important;
  }
  
  /* ============================================================
     Headings
     ============================================================ */
  
  .markdown-body h1,
  .markdown-body h2,
  .markdown-body h3,
  .markdown-body h4,
  .markdown-body h5,
  .markdown-body h6 {
    color: #24292f !important;
  }
  
  /* ============================================================
     Code Blocks (HARD FIX)
     ============================================================ */
  
  .markdown-body pre {
    background-color: #f6f8fa !important;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    padding: 16px;
    overflow-x: auto;
  }
  
  .markdown-body code {
    background-color: #f6f8fa !important;
    color: #24292f !important;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco,
                 Consolas, "Liberation Mono", "Courier New", monospace;
  }
  
  /* Inline code */
  .markdown-body p code,
  .markdown-body li code {
    padding: 2px 6px;
    border-radius: 6px;
    border: 1px solid #d0d7de;
  }
  
  /* ============================================================
     Tables (HARD FIX)
     ============================================================ */
  
  .markdown-body table {
    width: 100%;
    border-collapse: collapse;
    background-color: #ffffff !important;
  }
  
  .markdown-body th,
  .markdown-body td {
    border: 1px solid #d0d7de;
    padding: 8px 12px;
    color: #24292f !important;
  }
  
  .markdown-body th {
    background-color: #f6f8fa !important;
    font-weight: 600;
  }
  
  .markdown-body tr:nth-child(even) td {
    background-color: #f9fafb !important;
  }
  
  /* ============================================================
     Blockquotes
     ============================================================ */
  
  .markdown-body blockquote {
    border-left: 4px solid #d0d7de;
    padding: 8px 16px;
    margin: 16px 0;
    background-color: #f6f8fa !important;
  }