/* ─ Help Page ─ */
.help-columns {
  columns: 2;
  column-gap: 1.25rem;
}

@media (max-width: 1200px) {
  .help-columns {
    columns: 1;
  }
}

.help-search {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--bg-app);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  width: 280px;
  max-width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.help-search:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.help-search-icon {
  color: var(--text-muted);
  flex-shrink: 0;
}

.help-search-input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  padding: 2px 0;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
}

.help-search-input::placeholder {
  color: var(--text-muted);
}

.help-search-clear {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

.help-search-clear:hover {
  color: var(--text-primary);
}

.help-list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* ── Theme Accordion ─────────────────────────────────────────────────────── */

.theme-accordion {
  display: flex;
  flex-direction: column;
  /* Round the inner box so the first header / last content corners continue the
     parent card's rounding instead of running square into it. */
  border-radius: var(--radius-md);
  overflow: hidden;
}

.theme-accordion-item {
  border-bottom: 1px solid var(--border-subtle);
}

.theme-accordion-item:last-child {
  border-bottom: none;
}

.theme-accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  padding: 10px var(--space-4);
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  background: var(--bg-card);
  border-left: 3px solid transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.theme-accordion-header:hover {
  background: var(--bg-hover);
  color: var(--text-secondary);
}

.theme-accordion-open .theme-accordion-header {
  color: var(--accent);
  background: var(--bg-hover);
  border-left: 3px solid var(--accent);
  padding-left: calc(var(--space-5) + 3px);
}

.theme-accordion-chevron {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.theme-accordion-open .theme-accordion-chevron {
  transform: rotate(180deg);
  color: var(--accent);
}

.theme-accordion-content {
  padding: 14px var(--space-4) var(--space-4) calc(var(--space-4) + 3px);
  background: var(--bg-app);
  border-top: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent);
}

.theme-accordion-active-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-left: 8px;
  vertical-align: middle;
  opacity: 0.8;
}

/* ── Theme Family Header (subgroup label inside an accordion) ───────────── */

.theme-family-header {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 4px 0 6px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 2px;
}

/* ── Theme Card (individual theme preview button) ───────────────────────── */

.theme-card-btn {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.theme-card-preview {
  width: 100%;
  height: 46px;
  border-radius: 8px;
  overflow: hidden;
  outline: 2px solid transparent;
  outline-offset: 2px;
  position: relative;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
  transition: outline-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

/* Hover: dim accent ring + subtle lift */
.theme-card-btn:hover .theme-card-preview {
  outline-color: var(--accent-glow);
  box-shadow: 0 2px 6px rgba(0,0,0,0.4);
  transform: scale(1.04);
}

/* Active: full accent ring + glow */
.theme-card-preview.is-active {
  outline-color: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow, rgba(0,0,0,0.2));
}

/* Active + hover: keep strong ring, keep lift */
.theme-card-btn:hover .theme-card-preview.is-active {
  outline-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow, rgba(0,0,0,0.3));
  transform: scale(1.04);
}

.theme-card-label {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 400;
  text-align: center;
  line-height: 1.2;
  word-break: break-word;
  transition: color var(--transition-fast), font-weight 0s;
}

.theme-card-btn:hover .theme-card-label {
  color: var(--text-primary);
}

.theme-card-label.is-active {
  color: var(--text-primary);
  font-weight: 600;
}

/* ── Queue Tab Bar ────────────────────────────────────────────────────────── */

.queue-tab-bar {
  display: flex;
  border-top: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.queue-tab-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 8px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.15s, background 0.15s;
}

.queue-tab-btn:hover { color: var(--text-primary); background: var(--bg-hover); }
.queue-tab-btn.active { color: var(--accent); }

/* ── Lyrics Pane (sidebar) ────────────────────────────────────────────────── */

.lyrics-pane {
  flex: 1;
  min-height: 0;
}

.lyrics-pane__viewport {
  overflow-x: hidden;
  /* scroll-behavior intentionally left to auto — JS drives smooth scroll imperatively */
  padding: 16px 16px 8px;
}

.lyrics-pane-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lyrics-status {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  padding: 40px 0;
}

.lyrics-synced {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 24px 0 40px;   /* top pad lets first line start below centre, bottom lets last line scroll up */
}

.lyrics-line {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  text-align: center;
  padding: 5px 8px;
  border-radius: 6px;
  line-height: 1.55;
  cursor: default;
  word-break: break-word;
  overflow-wrap: break-word;
  min-width: 0;
  transform-origin: center center;
  /* All transitions are compositor-friendly */
  transition:
    color      350ms cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform  350ms cubic-bezier(0.25, 0.46, 0.45, 0.94),
    opacity    350ms cubic-bezier(0.25, 0.46, 0.45, 0.94),
    text-shadow 350ms ease;
  transform: scale(0.92);
  opacity: 0.75;
}

.lyrics-line.completed {
  color: var(--text-muted);
  transform: scale(0.88);
  opacity: 0.55;
}

.lyrics-line.active {
  color: var(--text-primary);
  font-weight: 700;
  transform: scale(1);
  opacity: 1;
  text-shadow: 0 0 20px color-mix(in srgb, var(--accent) 45%, transparent);
}

.lyrics-line:hover:not(.active) {
  color: var(--text-secondary);
  opacity: 0.9;
}

/* Word-sync: neutralise line colour so only individual words pop */
.lyrics-word-synced .lyrics-line {
  color: var(--text-muted);
}
.lyrics-word-synced .lyrics-line.active {
  color: var(--text-muted);
  text-shadow: none;
}
.lyrics-word-synced .lyrics-line.completed {
  color: var(--text-muted);
}

.lyrics-word {
  display: inline;
  transition: color 160ms ease, text-shadow 160ms ease;
  color: inherit;
  white-space: pre-wrap;
}
.lyrics-word.played {
  color: var(--text-secondary);
}
.lyrics-word.active {
  color: var(--text-primary);
  text-shadow: 0 0 14px color-mix(in srgb, var(--accent) 55%, transparent);
}

.lyrics-plain {
  padding: 4px 0 16px;
}

.lyrics-plain-line {
  font-size: 13px;
  line-height: 1.85;
  color: var(--text-secondary);
  text-align: center;
  margin: 0;
}

.lyrics-source {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  margin: 8px 0 4px;
  opacity: 0.6;
}


/* ── Help ─────────────────────────────────────────────────────────────────── */

.help-item {
  border-bottom: 1px solid var(--border-subtle);
}

.help-item:last-child {
  border-bottom: none;
}

.help-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  padding: 10px var(--space-4);
  text-align: left;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--bg-card);
  border-left: 3px solid transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.help-question:hover {
  background: var(--bg-hover);
}

.help-item-open .help-question {
  color: var(--accent);
  background: var(--bg-hover);
  border-left: 3px solid var(--accent);
  padding-left: calc(var(--space-5) + 3px);
}

.help-chevron {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.help-item-open .help-chevron {
  transform: rotate(180deg);
  color: var(--accent);
}

.help-answer {
  padding: 10px var(--space-4) var(--space-4) calc(var(--space-4) + 3px);
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.65;
  background: var(--bg-app);
  border-top: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent);
}

.settings-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 2px var(--space-3);
  margin: 0 calc(var(--space-3) * -1);
  border-radius: var(--radius-sm);
  transition: background 120ms ease;
}
.settings-toggle-row:hover {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}