docs: remove dark mode from custom.scss

Author: Dev Agent Amelia

docs/_sass/custom/custom.scss

@@ -11,138 +11,3 @@
 .label-green  { background-color: #059669 !important; }
 .label-yellow { background-color: #d97706 !important; }
 .label-purple { background-color: #7c3aed !important; }
-
-// ── Auto dark mode (follows OS preference) ──
-@media (prefers-color-scheme: dark) {
-  // Base
-  body {
-    background-color: #0f172a !important;
-    color: #e2e8f0 !important;
-  }
-
-  // Sidebar
-  .side-bar {
-    background-color: #1e293b !important;
-  }
-
-  .site-title { color: #f1f5f9 !important; }
-
-  .site-nav,
-  .nav-list .nav-list-item a {
-    color: #cbd5e1 !important;
-  }
-
-  .nav-list .nav-list-item a:hover,
-  .nav-list .nav-list-item a.active {
-    color: #f1f5f9 !important;
-    background-color: #334155 !important;
-  }
-
-  .site-nav .nav-list-expander { color: #94a3b8 !important; }
-
-  // Main content
-  .main-content {
-    h1, h2, h3, h4, h5, h6 { color: #f1f5f9 !important; }
-    hr { border-color: #334155 !important; }
-  }
-
-  // Links
-  a:not(.btn):not(.site-title):not(.search-result) {
-    color: #818cf8 !important;
-    &:hover { color: #a5b4fc !important; }
-  }
-
-  // Code
-  code {
-    background-color: #1e293b !important;
-    color: #e2e8f0 !important;
-    border-color: #334155 !important;
-  }
-
-  pre {
-    background-color: #1e293b !important;
-    > code { background-color: transparent !important; }
-  }
-
-  // Tables
-  table {
-    th {
-      background-color: #1e293b !important;
-      color: #f1f5f9 !important;
-      border-color: #334155 !important;
-    }
-    td {
-      border-color: #334155 !important;
-      color: #e2e8f0 !important;
-    }
-    tr:nth-child(even) td {
-      background-color: rgba(30, 41, 59, 0.5) !important;
-    }
-  }
-
-  // Search
-  .search-input {
-    background-color: #1e293b !important;
-    color: #e2e8f0 !important;
-    border-color: #334155 !important;
-    &:focus { border-color: #818cf8 !important; }
-  }
-
-  .search-results {
-    background-color: #1e293b !important;
-    border-color: #334155 !important;
-  }
-
-  .search-result-title { color: #f1f5f9 !important; }
-  .search-result-previews { color: #94a3b8 !important; }
-  .search-result:hover { background-color: #334155 !important; }
-
-  // Footer
-  .site-footer {
-    border-top-color: #334155 !important;
-    color: #94a3b8 !important;
-    a { color: #818cf8 !important; }
-  }
-
-  // Blockquotes
-  blockquote {
-    border-left-color: #818cf8 !important;
-    color: #cbd5e1 !important;
-  }
-
-  // Buttons
-  .btn:not(.btn-primary) {
-    color: #e2e8f0 !important;
-    border-color: #475569 !important;
-    background-color: #1e293b !important;
-    &:hover { background-color: #334155 !important; }
-  }
-
-  // Main header & breadcrumbs
-  .main-header {
-    background-color: #0f172a !important;
-    border-bottom-color: #334155 !important;
-  }
-
-  .breadcrumb-nav {
-    color: #94a3b8 !important;
-    a { color: #818cf8 !important; }
-  }
-
-  .back-to-top {
-    color: #94a3b8 !important;
-    &:hover { color: #818cf8 !important; }
-  }
-
-  // Callouts
-  .callout {
-    background-color: #1e293b !important;
-    border-color: #334155 !important;
-  }
-
-  // Aux links (npm, GitHub)
-  .aux-nav .aux-nav-list-item a {
-    color: #94a3b8 !important;
-    &:hover { color: #f1f5f9 !important; }
-  }
-}