.pref-panel-wrap {
  position: relative;
  flex-shrink: 0;
}

.pref-trigger {
  background: none;
  border: none;
  padding: 0.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  border-radius: 6px;
  transition: color 0.2s ease;
}

.pref-trigger:hover {
  color: var(--primary);
}

.pref-mobile-trigger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}

.pref-mobile-trigger span {
  display: block;
  width: 22px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--coral));
  border-radius: 2px;
}

/* Panel — desktop */
.pref-panel {
  display: none;
  position: fixed;
  width: 320px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.14);
  z-index: 201;
  overflow: hidden;
}

.pref-panel.open {
  display: block;
}

/* Panel — mobile: full-width sheet anchored to viewport bottom */
@media (max-width: 767px) {
  .pref-panel {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    border-radius: 16px 16px 0 0;
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.18);
    max-height: 85vh;
    overflow-y: auto;
  }
}

/* Header */
.pref-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1.25rem 0.6rem;
  border-bottom: 1px solid var(--border);
}

.pref-panel-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.pref-panel-close {
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--muted);
  padding: 0;
  line-height: 1;
  transition: color 0.15s;
}

.pref-panel-close:hover {
  color: var(--text-primary);
}

/* Sections */
.pref-section {
  padding: 0.75rem 1.25rem;
}

.pref-section:not(:last-of-type) {
  border-bottom: 1px solid var(--border);
}

.pref-section-header {
  margin-bottom: 0.45rem;
}

.pref-section-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.pref-section-desc {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
}

/* Rows within a section */
.pref-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.pref-row--mt {
  margin-top: 0.4rem;
}

.pref-row-label {
  font-size: 0.82rem;
  color: var(--text-secondary);
  flex-shrink: 0;
}

/* Option button groups */
.pref-option-group {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.pref-theme-group {
  justify-content: stretch;
}

.pref-option-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 0.3rem 0.65rem;
  font-size: 0.82rem;
  font-family: inherit;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  white-space: nowrap;
}

.pref-option-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.pref-option-btn.active {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--primary);
  font-weight: 600;
}

/* Wide variant — theme buttons fill the row evenly */
.pref-option-btn--wide {
  flex: 1;
  text-align: center;
}

/* Footer */
.pref-footer {
  padding: 0.5rem 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.74rem;
  color: var(--muted);
  line-height: 1.5;
  background: var(--bg-soft);
}

/* Backdrop — desktop only */
.pref-backdrop {
  display: none;
}

@media (min-width: 768px) {
  .pref-backdrop.open {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 199;
    background: rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
  }
}

/* Nav theme switcher positioning (content provided by this partial) */
.nav-theme-switcher {
  display: none;
  margin-left: auto;
  flex-shrink: 0;
}

.nav-bar.stuck .nav-theme-switcher {
  display: flex;
  align-items: center;
}

@media (max-width: 767px) {
  .nav-theme-switcher {
    display: none !important;
  }
  .pref-trigger {
    display: none;
  }
  .pref-mobile-trigger {
    display: flex;
  }
}