/* Shared theme additions. Existing light-mode styles remain in place. */
.night-mode-toggle {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 50;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--border, #e0d9c9);
  border-radius: 50%;
  background: var(--card-bg, var(--card, #fdfcfb));
  color: var(--accent-dark, var(--accent, #7d684a));
  box-shadow: 0 2px 8px rgb(0 0 0 / 5%);
  cursor: pointer;
}
.night-mode-toggle svg { width: 21px; height: 21px; }
.night-mode-toggle:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 4px;
}
.night-mode-toggle:hover { border-color: currentColor; }

html[data-theme="night"] {
  color-scheme: dark;
  --bg: #191919;
  --card-bg: #212120;
  --card: #212120;
  --text: #D7C8AB;
  --text-light: #BCAF98;
  --muted: #BCAF98;
  --accent: #C9A77B;
  --accent-dark: #C9A77B;
  --border: #454037;
  --original-bg: #20221f;
  --shadow: 0 3px 12px rgb(0 0 0 / 18%);
  background: #191919;
}
html[data-theme="night"] body {
  background: #191919;
  color: #D7C8AB;
}
html[data-theme="night"] a { color: #C9A77B; }
html[data-theme="night"] .sidebar { background: #1d1d1c; }
html[data-theme="night"] .quote-feature {
  background: var(--card-bg);
  color: var(--text);
}
html[data-theme="night"] .quote-feature blockquote { color: var(--text); }
html[data-theme="night"] .button-link.primary,
html[data-theme="night"] .view-btn.active,
html[data-theme="night"] .view-btn:hover {
  background: #C9A77B;
  border-color: #C9A77B;
  color: #191919;
}
html[data-theme="night"] input[type="search"] {
  background: #212120;
  border-color: #625641;
  color: #D7C8AB;
}
html[data-theme="night"] input::placeholder { color: #BCAF98; opacity: 1; }
html[data-theme="night"] .night-mode-toggle {
  background: #272622;
  border-color: #C9A77B;
  box-shadow: none;
}
html[data-theme="night"] .citation { border-left-color: #C9A77B; }
html[data-theme="night"] :focus-visible { outline-color: #C9A77B; }

/* Images are deliberately unaffected: no filter or opacity is applied. */
@media print {
  .night-mode-toggle { display: none; }
}