docs: simplify static book output

docs/book.toml

@@ -12,10 +12,5 @@ create-missing = false
 
 [output.html]
 default-theme = "light"
-preferred-dark-theme = "navy"
+fold = { enable = false }
-git-repository-url = "https://github.com/Orkavian/kaptan"
+search = { enable = false }
-edit-url-template = "https://github.com/Orkavian/kaptan/edit/main/{path}"
-additional-css = ["theme/kaptan.css"]
-additional-js = ["theme/kaptan.js"]
-fold = { enable = true, level = 1 }
-smart-punctuation = true

docs/theme/kaptan.css

@@ -1,47 +0,0 @@
-:root {
-  --kaptan-ink: #142033;
-  --kaptan-blue: #1769aa;
-  --kaptan-sky: #e8f3fb;
-  --kaptan-border: #d4dfeb;
-}
-
-.content main {
-  max-width: 58rem;
-  margin: 0 auto;
-}
-
-.content h1,
-.content h2,
-.content h3 {
-  color: var(--kaptan-ink);
-  font-weight: 700;
-  letter-spacing: -0.02em;
-}
-
-.content h1 {
-  border-bottom: 3px solid var(--kaptan-blue);
-  padding-bottom: 0.45rem;
-}
-
-.content a {
-  color: var(--kaptan-blue);
-}
-
-.content table {
-  border: 1px solid var(--kaptan-border);
-  border-radius: 0.5rem;
-  overflow: hidden;
-}
-
-.content blockquote {
-  border-left-color: var(--kaptan-blue);
-  background: var(--kaptan-sky);
-}
-
-.sidebar .sidebar-scrollbox {
-  border-right: 1px solid var(--kaptan-border);
-}
-
-.nav-chapters {
-  border-top: 1px solid var(--kaptan-border);
-}

docs/theme/kaptan.js

@@ -1,5 +0,0 @@
-"use strict";
-
-// Keep a small stable hook for future theme enhancements without replacing
-// mdBook's built-in navigation, search, or theme picker.
-document.documentElement.classList.add("kaptan-docs");