:root {
  --diff-del-bg: #ffecec;
  --diff-ins-bg: #eaffea;
  --diff-del-text: #000000;
  --diff-ins-text: #000000;
  --diff-class-color: #267f99;
  --diff-import-color: #267f99;
  --diff-function-color: #795e26;
  --diff-variable-color: #001080;
}

:root[data-theme="dark"] {
  --diff-del-bg: #4e1d1d;
  --diff-ins-bg: #294410;
  --diff-del-text: #ffffff;
  --diff-ins-text: #ffffff;
  --diff-class-color: #4ec9b0;
  --diff-import-color: #4ec9b0;
  --diff-function-color: #dcdcaa;
  --diff-variable-color: #9cdcfe;
}

.theme-toggle {
  position: fixed;
  right: 16px;
  top: 16px;
  z-index: 1000;
  padding: 8px 10px;
  font-size: 16px;
  line-height: 1;
  border: 1px solid #ccc;
  border-radius: 999px;
  background: #f7f7f7;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

:root[data-theme="dark"] .theme-toggle {
  border-color: #444;
  background: #2d2d2d;
  color: #f0f0f0;
}

/* ReadTheDocs dark theme overrides */
:root[data-theme="dark"] body,
:root[data-theme="dark"] .wy-body-for-nav,
:root[data-theme="dark"] .wy-nav-content,
:root[data-theme="dark"] .wy-nav-content-wrap {
  background: #1e1e1e;
  color: #d4d4d4;
}

:root[data-theme="dark"] .wy-nav-side {
  background: #252526;
  color: #d4d4d4;
}

:root[data-theme="dark"] .wy-side-nav-search,
:root[data-theme="dark"] .wy-side-nav-search input[type="text"] {
  background: #2d2d2d;
  color: #d4d4d4;
  border-color: #3c3c3c;
}

:root[data-theme="dark"] .wy-nav-side a,
:root[data-theme="dark"] .wy-nav-content a,
:root[data-theme="dark"] .wy-side-nav-search a {
  color: #9cdcfe;
}

:root[data-theme="dark"] .wy-menu-vertical a {
  color: #d4d4d4;
}

:root[data-theme="dark"] .wy-menu-vertical a:hover,
:root[data-theme="dark"] .wy-menu-vertical a:focus {
  background: #2b2b2b;
}

:root[data-theme="dark"] .wy-menu-vertical li.toctree-l1.current > a,
:root[data-theme="dark"] .wy-menu-vertical li.toctree-l2.current > a,
:root[data-theme="dark"] .wy-menu-vertical li.toctree-l3.current > a {
  background: #383838;
  color: #ffffff;
}

:root[data-theme="dark"] .wy-menu-vertical li.toctree-l1.current > ul,
:root[data-theme="dark"] .wy-menu-vertical li.toctree-l2.current > ul,
:root[data-theme="dark"] .wy-menu-vertical li.toctree-l3.current > ul {
  background: #4c4c4e;
}

:root[data-theme="dark"] .wy-menu-vertical li.current > a,
:root[data-theme="dark"] .wy-menu-vertical li.current > a:hover,
:root[data-theme="dark"] .wy-menu-vertical li.current > a:focus {
  background: #2f2f2f;
  color: #ffffff;
}

:root[data-theme="dark"] .wy-nav-top {
  background: #2d2d2d;
  color: #d4d4d4;
}

:root[data-theme="dark"] .rst-content .note,
:root[data-theme="dark"] .rst-content .warning,
:root[data-theme="dark"] .rst-content .admonition {
  background: #2a2a2a;
  border-color: #3c3c3c;
}

:root[data-theme="dark"] .rst-content code,
:root[data-theme="dark"] .rst-content tt,
:root[data-theme="dark"] .rst-content pre {
  background: #1e1e1e;
  color: #d4d4d4;
  border-color: #3c3c3c;
}

:root[data-theme="dark"] .rst-content table.docutils,
:root[data-theme="dark"] .rst-content table.docutils th,
:root[data-theme="dark"] .rst-content table.docutils td {
  background: #1e1e1e;
  color: #d4d4d4;
  border-color: #3c3c3c;
}

/* Footer prev/next buttons in dark mode */
:root[data-theme="dark"] .rst-footer-buttons a.btn,
:root[data-theme="dark"] .rst-footer-buttons a.btn:visited,
:root[data-theme="dark"] .rst-footer-buttons a.btn.btn-neutral,
:root[data-theme="dark"] .rst-footer-buttons a.btn.btn-neutral:visited {
  background: #2d2d2d !important;
  color: #d4d4d4 !important;
  border-color: #3c3c3c !important;
}

:root[data-theme="dark"] .rst-footer-buttons a.btn:hover,
:root[data-theme="dark"] .rst-footer-buttons a.btn:focus,
:root[data-theme="dark"] .rst-footer-buttons a.btn.btn-neutral:hover,
:root[data-theme="dark"] .rst-footer-buttons a.btn.btn-neutral:focus {
  background: #3a3a3a !important;
  color: #ffffff !important;
  border-color: #4a4a4a !important;
}

:root[data-theme="dark"] .rst-footer-buttons a.btn .icon {
  color: inherit !important;
}

/* Diff2html borders in dark mode */
:root[data-theme="dark"] .diff2html-wrapper .d2h-diff-table th,
:root[data-theme="dark"] .diff2html-wrapper .d2h-diff-table td,
:root[data-theme="dark"] .diff2html-wrapper .d2h-code-line,
:root[data-theme="dark"] .diff2html-wrapper .d2h-code-line-ctn,
:root[data-theme="dark"] .diff2html-wrapper .d2h-code-line-prefix,
:root[data-theme="dark"] .diff2html-wrapper .d2h-code-linenumber {
  border-color: #3c3c3c !important;
}

/* Diff2html scrollbars in dark mode */
:root[data-theme="dark"] .diff2html-wrapper .d2h-wrapper {
  scrollbar-color: #555 #1e1e1e;
}

:root[data-theme="dark"] .diff2html-wrapper .d2h-wrapper::-webkit-scrollbar {
  height: 10px;
  width: 10px;
}

:root[data-theme="dark"] .diff2html-wrapper .d2h-wrapper::-webkit-scrollbar-track {
  background: #1e1e1e;
}

:root[data-theme="dark"] .diff2html-wrapper .d2h-wrapper::-webkit-scrollbar-thumb {
  background: #555;
  border-radius: 8px;
  border: 2px solid #1e1e1e;
}

:root[data-theme="dark"] .diff2html-wrapper .d2h-wrapper::-webkit-scrollbar-thumb:hover {
  background: #666;
}