/* Shared publication appearance tokens; original dark is the default. */
:root, :root[data-fsr-theme="dark"] {
  color-scheme: dark;
  --fsr-bg: #18211f; --fsr-text: #fbf8f0; --fsr-muted: #c8d5c8;
  --fsr-mint: #b8e2d4; --fsr-blue: #2d657c; --fsr-line: #c8d5c82e;
  --fsr-control-surface: #1d2925; --fsr-control-hover: #2a3b35;
  --fsr-control-border: #c8d5c85c; --fsr-control-shadow: #0006;
  --fsr-input-border: #758a7f;
  --fsr-focus: #b8e2d4;
}
:root[data-fsr-theme="light"] {
  color-scheme: light;
  --fsr-bg: #f5f1e8; --fsr-text: #182b27; --fsr-muted: #455e55;
  --fsr-mint: #246b59; --fsr-blue: #285f75; --fsr-line: #294c3933;
  --fsr-control-surface: #fcf9f2; --fsr-control-hover: #e7eee5;
  --fsr-control-border: #294c3959; --fsr-control-shadow: #152b2526;
  --fsr-input-border: #6b7f72;
  --fsr-focus: #176656;
}
.fsr-preferences { position: relative; flex: 0 0 auto; color: var(--fsr-text); font: 13px/1.4 "Helvetica Neue", Helvetica, Arial, sans-serif; }
.fsr-preferences > summary { display: flex; align-items: center; justify-content: center; gap: 7px; min-height: 44px; min-width: 65px; padding: 10px 12px; border: 1px solid var(--fsr-control-border); border-radius: 999px; background: var(--fsr-bg); color: var(--fsr-text); list-style: none; cursor: pointer; }
.fsr-preferences > summary::-webkit-details-marker { display: none; }
.fsr-preferences > summary::after { content: ""; width: 5px; height: 5px; border: solid currentColor; border-width: 0 1px 1px 0; transform: translateY(-2px) rotate(45deg); }
.fsr-preferences[open] > summary { background: var(--fsr-control-hover); border-color: var(--fsr-mint); }
.fsr-preferences[open] > summary::after { transform: translateY(1px) rotate(225deg); }
.fsr-preferences-panel { position: absolute; z-index: 60; right: 0; top: calc(100% + 14px); width: min(284px, calc(100vw - 32px)); padding: 20px; border: 1px solid var(--fsr-control-border); border-radius: 20px; background: var(--fsr-control-surface); color: var(--fsr-text); box-shadow: 0 18px 40px var(--fsr-control-shadow); max-height: calc(100svh - 130px); overflow: auto; overscroll-behavior: contain; text-align: left; }
.fsr-preferences-panel p, .fsr-preferences-panel label { display: block; margin: 0 0 10px; color: var(--fsr-muted); font-size: 12px; font-weight: 600; line-height: 1.5; }
.fsr-language-options { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 21px; }
.fsr-language-options a { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 15px; border: 1px solid var(--fsr-control-border); border-radius: 999px; color: var(--fsr-text); font: inherit; text-decoration: none; }
.fsr-language-options a[aria-current="page"] { background: var(--fsr-control-hover); border-color: var(--fsr-mint); }
.fsr-preferences-panel select { width: 100%; min-height: 44px; border: 1px solid var(--fsr-input-border); border-radius: 10px; padding: 10px; background: var(--fsr-bg); color: var(--fsr-text); font: inherit; cursor: pointer; }
.fsr-preferences-panel .fsr-preference-note { margin: 12px 0 0; font-size: 11px; font-weight: 400; line-height: 1.6; }
.fsr-preferences :focus-visible { outline: 3px solid var(--fsr-focus); outline-offset: 3px; }
/* Theme foreground/background switch together; don't fade a dark menu into dark text. */
.site-menu-toggle, .menu-toggle { transition-property: border-color, box-shadow; }
@media(hover:hover) { .fsr-preferences summary:hover, .fsr-language-options a:hover { background: var(--fsr-control-hover); } }
@media(max-width:600px) {
  .header-nav, .site-nav > nav { position: relative; }
  .header-nav > details, .site-nav > nav > details { position: static; }
  .header-nav .menu-panel, .header-nav .fsr-preferences-panel,
  .site-nav .site-menu-panel, .site-nav .fsr-preferences-panel { right: 0; top: calc(100% + 13px); }
}
@media(forced-colors:active) { .fsr-preferences > summary,.fsr-preferences-panel,.fsr-language-options a,.fsr-preferences-panel select { border-color: CanvasText; } }
@media print { .fsr-preferences { display: none; } }