@import url("https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/github-dark.min.css");

/* --- CSS Variables --- */
:root {
  --bg1: #0d1117;
  --bg2: #161b22;
  --bg3: #1b222b88;
  --text-primary: #c9d1d9;
  --accent-color: #58a6ff;
  --border-color: #30363d;
  --button-bg: #58a6ff;
  --button-fg: #0d1117;
  --md-pre-color: #0D1117;
  --md-code-color: #c9d1d9;
  --mermaid-bg: #0D1117;
  --mermaid-fg: #c9d1d9;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg1: #ffffff;
    --bg2: #f6f8fa;
    --bg3: #eff1f3;
    --text-primary: #24292f;
    --accent-color: #0366d6;
    --border-color: #d1d5da;
    --button-bg: #58a6ff;
    --button-fg: #ffffff;
    --md-pre-color: #ffffff;
    --md-code-color: #0D1117;
  }
}

::-webkit-scrollbar {
  width: 0px;
  background: transparent;
}

/* --- General Layout --- */
body,
html {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg1);
  color: var(--text-primary);
  margin: 0;
  overflow: hidden;
  height: 100%;
}

/* --- Navbar Layout --- */
#top-navbar {
  background-color: var(--bg2);
  border-bottom: 1px solid var(--border-color);
  padding: 0 30px;
  height: 60px;

  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;

  display: flex;
  justify-content: space-between;
  align-items: center;
}

#isha-logo {
  height: 60px;
  width: auto;
  margin-right: 20px;
}

#repo-title {
  font-size: 30px;
  font-weight: 600;
  color: var(--accent-color);
  align-self: center;
}

#github-link {
  background-color: var(--accent-color);
  color: var(--bg1);
  padding: 8px 12px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9em;
  transition: background-color 0.2s;
}

#github-link:hover {
  background-color: #4b8cdb;
}

#github-link i {
  margin-left: 6px;
}

/* --- Main Layout --- */
#main-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  height: calc(100vh - 60px);
  margin-top: 60px;
}

/* --- Sidebar Layout --- */
#sidebar-toc {
  background-color: var(--bg2);
  border-right: 1px solid var(--border-color);
  padding: 20px 0;
  overflow-y: auto;
  height: 100%;
  scrollbar-width: none;
}

#sidebar-toc h2 {
  color: var(--text-primary);
  font-size: 1.2em;
  padding: 0 20px 10px 20px;
  margin: 0;
  border-bottom: 1px solid var(--border-color);
}

#toc-list {
  list-style: none;
  padding: 10px 0;
  margin: 0;
}

#toc-list li a {
  display: block;
  padding: 8px 20px;
  text-decoration: none;
  color: var(--text-primary);
  font-size: 0.9em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background-color 0.2s;
}

#toc-list li a:hover {
  background-color: rgba(88, 166, 255, 0.1);
  color: var(--accent-color);
}

/* --- Content Layout --- */
#content-area {
  overflow-y: auto;
  height: 100%;
  scrollbar-width: none;
}

#content {
  padding: 10px 30px;
  background-color: var(--bg3);
  width: 50%;
  margin: 0 auto;
}

#loading {
  text-align: center;
  font-size: 1.2em;
  padding: 50px;
  color: var(--accent-color);
}

/* --- Markdown Layout --- */
.markdown-body h1 {
  display: none;
}

.markdown-body h2 {
  padding-top: 60px;
  margin-top: -60px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.3em;
  margin-bottom: 16px;
  font-weight: 600;
  font-size: 1.8em;
}

.markdown-body h3,
.markdown-body h4 {
  border-bottom: none;
  padding-bottom: 0;
  margin-top: 24px;
  margin-bottom: 16px;
  font-weight: 600;
}
.markdown-body pre {
  background-color: var(--md-pre-color) !important;
  padding: 16px;
  margin-bottom: 16px;
}

.markdown-body code {
  color: var(--md-code-color);
  padding: 0.2em 0.4em;
  border-radius: 6px;
}

.markdown-body pre {
  padding: 16px;
  margin-bottom: 16px;
}

.markdown-body blockquote {
  padding: 0 1em;
  color: #8b949e;
  border-left: 0.25em solid var(--border-color);
}

.markdown-body a {
  color: var(--accent-color);
  text-decoration: none;
}

.markdown-body a:hover {
  text-decoration: underline;
}

.mermaid {
  background-color: var(--mermaid-bg);
  color: var(--mermaid-fg);
  padding: 16px;
  border-radius: 6px;
}