/* ═══════════════ Preferences widget (header) ═══════════════ */

.prefs-menu {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.prefs-trigger {
  display: inline-flex; align-items: center; gap: 8px;
  height: 32px;
  padding: 0 8px 0 12px;
  background: transparent;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  color: var(--text);
  font-family: var(--font-display);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.prefs-trigger:hover {
  background: var(--bg-elev);
  border-color: var(--border);
}
.prefs-trigger-lang {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text);
}
.prefs-trigger-divider {
  width: 1px; height: 14px;
  background: var(--border);
}
.prefs-trigger-theme {
  display: inline-flex;
  color: var(--text-mute);
}
.prefs-trigger-chev {
  color: var(--text-dim);
  margin-left: -2px;
  transition: transform 0.2s;
}
.prefs-menu .prefs-trigger[aria-expanded="true"] .prefs-trigger-chev {
  transform: rotate(180deg);
}

.prefs-popover {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 280px;
  background: oklch(0.99 0.003 90);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  box-shadow:
    0 1px 0 oklch(1 0 0) inset,
    0 20px 50px -10px oklch(0.3 0.05 275 / 0.3),
    0 4px 12px -4px oklch(0.3 0.05 275 / 0.15);
  z-index: 200;
  animation: prefs-in 0.15s cubic-bezier(0.2, 0.7, 0.3, 1);
}
@keyframes prefs-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.prefs-group { margin-bottom: 12px; }
.prefs-group:last-child { margin-bottom: 0; }
.prefs-group-head {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 4px 6px 8px;
}
.prefs-options {
  display: flex; flex-direction: column;
  gap: 2px;
}
.prefs-option {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px;
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 13.5px;
  color: var(--text);
  text-align: left;
}
.prefs-option:hover { background: var(--bg-elev); }
.prefs-option.is-active { background: var(--accent-bg); color: var(--accent); }
.prefs-option-flag { font-size: 16px; line-height: 1; }
.prefs-option-label { flex: 1; }
.prefs-option-check { color: var(--accent); font-weight: 600; }

.prefs-theme-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}
.prefs-theme-btn {
  display: flex; flex-direction: column; align-items: center;
  gap: 6px;
  padding: 12px 8px;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 11.5px;
  color: var(--text-mute);
  transition: all 0.15s;
}
.prefs-theme-btn:hover { background: var(--bg-elev-2); color: var(--text); }
.prefs-theme-btn.is-active {
  background: var(--accent-bg);
  border-color: var(--accent);
  color: var(--accent);
}
.prefs-theme-icon { display: inline-flex; }
.prefs-theme-btn.is-active .prefs-theme-icon { color: var(--accent); }

/* Dark mode overrides */
.theme-dark .prefs-popover {
  background: var(--bg-elev);
  border-color: var(--border);
}
.theme-dark .prefs-option.is-active {
  background: var(--accent-bg);
  color: oklch(0.92 0.09 285);
}
.theme-dark .prefs-theme-btn { background: var(--bg-elev-2); border-color: var(--border); }
.theme-dark .prefs-theme-btn.is-active { background: var(--accent-bg); border-color: var(--accent); color: oklch(0.92 0.09 285); }

/* Mobile prefs inline (rendered inside the drawer) */
.prefs-mobile { display: flex; flex-direction: column; gap: 12px; }
.prefs-mobile-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
}
.prefs-mobile-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.prefs-mobile-seg {
  display: inline-flex;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 2px;
}
.prefs-mobile-seg-btn {
  background: transparent;
  border: none;
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--text-mute);
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
}
.prefs-mobile-seg-btn.is-active {
  background: var(--bg-base);
  color: var(--text);
  box-shadow: 0 1px 3px oklch(0 0 0 / 0.08);
}
.theme-dark .prefs-mobile-seg-btn.is-active { background: var(--bg-elev-2); }

/* Honor OS preference by default — when the user hasn't explicitly chosen.
   The JS in PrefsProvider also reads matchMedia, but this catches edge
   cases where the React tree hasn't hydrated yet. */
@media (prefers-color-scheme: dark) {
  body:not(.theme-light):not(.theme-dark) {
    /* No-op here — PrefsProvider sets .theme-dark on body when needed.
       This media query exists as documentation of the intent. */
  }
}