/* ============================================================
   SONG TABS SECTION - Stylesheet
   guitar-chords-lessons.com/v2/songs/
   Extends the main v2 stylesheet
   ============================================================ */

/* ------------------------------------------------------------
   0. ANIMATIONS / KEYFRAMES
   ------------------------------------------------------------ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes noteFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-18px) rotate(8deg); }
}

@keyframes gentlePulse {
  0%, 100% { opacity: 0.06; }
  50%      { opacity: 0.12; }
}

/* ------------------------------------------------------------
   1. SONGS HERO
   ------------------------------------------------------------ */
.songs-hero {
  position: relative;
  text-align: center;
  padding: var(--space-4xl) var(--space-lg) var(--space-3xl);
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(232, 168, 56, 0.06), transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 20%, rgba(168, 85, 247, 0.05), transparent 50%),
    radial-gradient(ellipse 50% 40% at 20% 70%, rgba(244, 114, 182, 0.04), transparent 50%),
    linear-gradient(180deg, var(--color-bg-deepest) 0%, var(--color-bg-dark) 100%);
}

.songs-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 50px,
      rgba(255, 255, 255, 0.01) 50px,
      rgba(255, 255, 255, 0.01) 51px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 50px,
      rgba(255, 255, 255, 0.01) 50px,
      rgba(255, 255, 255, 0.01) 51px
    );
  pointer-events: none;
}

.songs-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to top, var(--color-bg-deepest), transparent);
  pointer-events: none;
}

.songs-hero__content {
  position: relative;
  z-index: var(--z-base);
  max-width: 760px;
  margin: 0 auto;
  animation: fadeInUp 0.7s var(--ease-out-smooth) both;
}

.songs-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-2xs) var(--space-md);
  margin-bottom: var(--space-lg);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-accent-light);
  background: rgba(232, 168, 56, 0.1);
  border: 1px solid rgba(232, 168, 56, 0.2);
  border-radius: var(--radius-full);
}

.songs-hero__title {
  font-family: var(--font-body);
  font-size: var(--fs-3xl);
  font-weight: var(--fw-black);
  color: var(--color-text-primary);
  line-height: var(--lh-tight);
  letter-spacing: -0.03em;
  margin: 0 0 var(--space-md);
}

.songs-hero__title-accent {
  background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.songs-hero__subtitle {
  font-size: var(--fs-lg);
  font-weight: var(--fw-light);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
}

.songs-hero__stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xl);
}

.songs-hero__stat {
  text-align: center;
}

.songs-hero__stat-number {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-2xs);
}

.songs-hero__stat-label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Floating decorative music notes */
.songs-hero__decoration {
  position: absolute;
  pointer-events: none;
  opacity: 0.07;
  font-size: 3.5rem;
  animation: noteFloat 7s ease-in-out infinite;
  z-index: 0;
}

.songs-hero__decoration:nth-child(1) { top: 12%; left: 6%;  animation-delay: 0s;   }
.songs-hero__decoration:nth-child(2) { top: 22%; right: 8%; animation-delay: 1.5s; }
.songs-hero__decoration:nth-child(3) { bottom: 25%; left: 12%;  animation-delay: 3s;   }
.songs-hero__decoration:nth-child(4) { bottom: 18%; right: 14%; animation-delay: 4.5s; }

/* ------------------------------------------------------------
   2. FILTER BAR
   ------------------------------------------------------------ */
.songs-filter-bar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--color-bg-card);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: var(--space-sm) 0;
  animation: slideDown 0.35s var(--ease-out-smooth) both;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.songs-filter-bar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.songs-filter-bar__group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.songs-filter-bar__label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.songs-filter-bar__field {
  position: relative;
  flex: 0 1 auto;
}

.songs-filter-bar__field:first-child {
  flex: 1 1 220px;
  min-width: 180px;
}

.songs-filter-bar__search-icon {
  position: absolute;
  top: 50%;
  left: var(--space-sm);
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  pointer-events: none;
  line-height: 1;
  z-index: 1;
}

.songs-filter-bar__search {
  width: 100%;
  padding: var(--space-xs) var(--space-sm) var(--space-xs) calc(var(--space-sm) + 1.5em);
  background: var(--color-bg-input, var(--color-bg-deepest));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.songs-filter-bar__search::placeholder {
  color: var(--color-text-muted);
}

.songs-filter-bar__search:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(232, 168, 56, 0.1);
}

.songs-filter-bar__select {
  appearance: none;
  -webkit-appearance: none;
  padding: var(--space-xs) calc(var(--space-lg) + 4px) var(--space-xs) var(--space-sm);
  background: var(--color-bg-input, var(--color-bg-deepest));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b6b76' d='M3 4.5L6 8l3-3.5H3z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-xs) center;
  background-size: 12px;
  min-width: 130px;
}

.songs-filter-bar__select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(232, 168, 56, 0.1);
}

.songs-filter-bar__select:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.songs-filter-bar__count {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  white-space: nowrap;
  margin-left: auto;
}

/* ------------------------------------------------------------
   3. GENRE GRID
   ------------------------------------------------------------ */
.genre-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

@media (min-width: 640px) {
  .genre-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .genre-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1440px) {
  .genre-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ------------------------------------------------------------
   4. GENRE CARD
   ------------------------------------------------------------ */
.genre-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-left: 4px solid var(--color-text-muted);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  cursor: pointer;
  text-decoration: none;
  overflow: hidden;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-fast);
  animation: fadeInUp 0.5s var(--ease-out-smooth) both;
}

.genre-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 60px;
  background: linear-gradient(90deg, currentColor, transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.genre-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background: var(--color-bg-card-hover);
  border-color: rgba(255, 255, 255, 0.08);
}

.genre-card:hover::before {
  opacity: 0.04;
}

.genre-card__icon {
  font-size: 2.5rem;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.genre-card__name {
  font-family: var(--font-body);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2xs);
  line-height: var(--lh-snug);
}

.genre-card__count {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.genre-card__desc {
  font-size: var(--fs-sm);
  color: var(--color-text-secondary);
  line-height: var(--lh-normal);
  margin: 0;
  flex-grow: 1;
}

/* Stagger animation for genre cards */
.genre-card:nth-child(1)  { animation-delay: 0.05s; }
.genre-card:nth-child(2)  { animation-delay: 0.10s; }
.genre-card:nth-child(3)  { animation-delay: 0.15s; }
.genre-card:nth-child(4)  { animation-delay: 0.20s; }
.genre-card:nth-child(5)  { animation-delay: 0.25s; }
.genre-card:nth-child(6)  { animation-delay: 0.30s; }
.genre-card:nth-child(7)  { animation-delay: 0.35s; }
.genre-card:nth-child(8)  { animation-delay: 0.40s; }

/* ------------------------------------------------------------
   5. SONG GRID
   ------------------------------------------------------------ */
.song-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

@media (min-width: 640px) {
  .song-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .song-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ------------------------------------------------------------
   6. SONG CARD
   ------------------------------------------------------------ */
.song-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-decoration: none;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
  animation: fadeInUp 0.4s var(--ease-out-smooth) both;
}

.song-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(232, 168, 56, 0.2);
}

.song-card__title {
  font-family: var(--font-body);
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2xs);
  line-height: var(--lh-snug);
}

.song-card__artist {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin: 0 0 var(--space-md);
  line-height: var(--lh-normal);
}

.song-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.song-card__badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.6;
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.song-card__difficulty {
  display: inline-flex;
  align-items: center;
  gap: 1px;
  margin-left: auto;
}

.song-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  margin-top: auto;
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast), gap var(--transition-fast);
}

.song-card__link:hover {
  color: var(--color-accent-light);
  gap: var(--space-xs);
}

/* Stagger animation for song cards */
.song-card:nth-child(1)  { animation-delay: 0.03s; }
.song-card:nth-child(2)  { animation-delay: 0.06s; }
.song-card:nth-child(3)  { animation-delay: 0.09s; }
.song-card:nth-child(4)  { animation-delay: 0.12s; }
.song-card:nth-child(5)  { animation-delay: 0.15s; }
.song-card:nth-child(6)  { animation-delay: 0.18s; }
.song-card:nth-child(7)  { animation-delay: 0.21s; }
.song-card:nth-child(8)  { animation-delay: 0.24s; }
.song-card:nth-child(9)  { animation-delay: 0.27s; }

/* ------------------------------------------------------------
   7. SONG DETAIL PAGE
   ------------------------------------------------------------ */
.song-detail {
  max-width: var(--max-width-narrow, 860px);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-lg) var(--space-4xl);
}

.song-detail__header {
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  animation: fadeInUp 0.5s var(--ease-out-smooth) both;
}

.song-detail__title {
  font-family: var(--font-body);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-black);
  color: var(--color-text-primary);
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-xs);
}

.song-detail__artist {
  font-size: var(--fs-lg);
  font-weight: var(--fw-light);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-lg);
  line-height: var(--lh-normal);
}

.song-detail__artist span {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  font-weight: var(--fw-regular);
  margin-right: var(--space-2xs);
}

.song-detail__info {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.song-detail__info-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-2xs) var(--space-sm);
  background: var(--color-bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
}

.song-detail__info-item strong {
  color: var(--color-text-primary);
  font-weight: var(--fw-semibold);
}

.song-detail__badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2xs) var(--space-md);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.08);
  margin-bottom: var(--space-md);
}

.song-detail__description {
  font-size: var(--fs-base);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  max-width: 680px;
  margin: 0 0 var(--space-2xl);
}

/* Tab wrapper */
.song-detail__tab-wrapper {
  background: var(--color-bg-deepest);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.5s var(--ease-out-smooth) 0.15s both;
}

.song-detail__tab-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-bg-card);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.song-detail__tab-title {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.song-detail__tab-copy {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-2xs) var(--space-sm);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  cursor: pointer;
  transition:
    color var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast);
}

.song-detail__tab-copy:hover {
  color: var(--color-accent);
  background: rgba(232, 168, 56, 0.08);
  border-color: rgba(232, 168, 56, 0.2);
}

.song-detail__tab-copy--copied {
  color: var(--color-success);
  border-color: rgba(74, 222, 128, 0.3);
  background: rgba(74, 222, 128, 0.08);
}

.song-detail__tab-content {
  padding: var(--space-lg);
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-bg-elevated) transparent;
}

.song-detail__tab-content::-webkit-scrollbar {
  height: 6px;
}

.song-detail__tab-content::-webkit-scrollbar-track {
  background: transparent;
}

.song-detail__tab-content::-webkit-scrollbar-thumb {
  background: var(--color-bg-elevated);
  border-radius: 3px;
}

.song-detail__tab-content pre {
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--color-text-secondary);
  white-space: pre;
  tab-size: 4;
}

/* Navigation (prev/next) */
.song-detail__nav {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

.song-detail__nav-link {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-md);
  text-decoration: none;
  flex: 1;
  max-width: 50%;
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    transform var(--transition-base);
}

.song-detail__nav-link:hover {
  border-color: rgba(232, 168, 56, 0.2);
  background: var(--color-bg-card-hover);
  transform: translateY(-1px);
}

.song-detail__nav-link--next {
  text-align: right;
  margin-left: auto;
}

.song-detail__nav-label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.song-detail__nav-title {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-accent);
  line-height: var(--lh-snug);
}

/* Related songs section */
.song-detail__related {
  padding-top: var(--space-2xl);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.song-detail__related-title {
  font-family: var(--font-body);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-lg);
}

.song-detail__related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-md);
}

/* ------------------------------------------------------------
   8. BREADCRUMB
   ------------------------------------------------------------ */
.breadcrumb {
  padding: var(--space-md) 0 0;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2xs);
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-xs);
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  color: var(--color-text-muted);
}

.breadcrumb__item::after {
  content: '/';
  margin-left: var(--space-2xs);
  color: var(--color-text-muted);
  opacity: 0.4;
}

.breadcrumb__item:last-child::after {
  display: none;
}

.breadcrumb__item a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb__item a:hover {
  color: var(--color-accent);
}

.breadcrumb__item--active {
  color: var(--color-text-primary);
  font-weight: var(--fw-medium);
}

.breadcrumb__item--active::after {
  display: none;
}

/* ------------------------------------------------------------
   9. GENRE SECTION HEADERS
   ------------------------------------------------------------ */
.genre-section-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  max-width: var(--max-width);
  margin: var(--space-3xl) auto var(--space-lg);
  padding: 0 var(--space-lg) var(--space-sm);
  border-bottom: 2px solid var(--color-text-muted);
}

.genre-section-header__icon {
  font-size: 1.6rem;
  line-height: 1;
}

.genre-section-header__name {
  font-family: var(--font-body);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  margin: 0;
  line-height: var(--lh-snug);
}

.genre-section-header__count {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-left: auto;
}

/* First genre section header: reduced top margin */
.genre-section-header:first-of-type {
  margin-top: var(--space-xl);
}

/* ------------------------------------------------------------
   10. DIFFICULTY STARS
   ------------------------------------------------------------ */
.difficulty-stars {
  display: inline-flex;
  align-items: center;
  gap: 1px;
  font-size: var(--fs-sm);
  line-height: 1;
}

.difficulty-stars__filled {
  color: var(--color-accent);
}

.difficulty-stars__empty {
  color: var(--color-text-muted);
  opacity: 0.4;
}

/* Alternate size for detail page */
.difficulty-stars--lg {
  font-size: var(--fs-md);
  gap: 2px;
}

/* ------------------------------------------------------------
   11. NO RESULTS STATE
   ------------------------------------------------------------ */
.songs-no-results {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-4xl) var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
  animation: fadeIn 0.4s var(--ease-out-smooth) both;
}

.songs-no-results__icon {
  font-size: 4rem;
  line-height: 1;
  margin-bottom: var(--space-lg);
  opacity: 0.3;
}

.songs-no-results__title {
  font-family: var(--font-body);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-xs);
}

.songs-no-results__message {
  font-size: var(--fs-base);
  color: var(--color-text-muted);
  max-width: 420px;
  line-height: var(--lh-normal);
  margin: 0 0 var(--space-xl);
}

.songs-no-results__action {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-lg);
  background: rgba(232, 168, 56, 0.1);
  border: 1px solid rgba(232, 168, 56, 0.2);
  border-radius: var(--radius-full);
  color: var(--color-accent);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  cursor: pointer;
  text-decoration: none;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast);
}

.songs-no-results__action:hover {
  background: rgba(232, 168, 56, 0.18);
  border-color: rgba(232, 168, 56, 0.35);
}

/* ------------------------------------------------------------
   12. GENRE GROUP (ALL SONGS SECTION)
   ------------------------------------------------------------ */
.genre-group {
  margin-bottom: var(--space-3xl);
}

.genre-group__header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  max-width: var(--max-width);
  margin: 0 auto var(--space-lg);
  padding: 0 var(--space-lg) var(--space-sm);
  border-bottom: 2px solid var(--genre-color, var(--color-text-muted));
}

.genre-group__icon {
  font-size: 1.6rem;
  line-height: 1;
}

.genre-group__info {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.genre-group__title {
  font-family: var(--font-body);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  margin: 0;
  line-height: var(--lh-snug);
}

.genre-group__meta {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

/* Genre card colored left border via CSS variable */
.genre-card {
  border-left-color: var(--genre-color, var(--color-text-muted));
  color: inherit;
}

/* Genre card arrow indicator */
.genre-card__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--space-sm);
  color: var(--color-text-muted);
  transition: transform var(--transition-base), color var(--transition-fast);
}

.genre-card:hover .genre-card__arrow {
  transform: translateY(3px);
  color: var(--color-accent);
}

/* Song card description */
.song-card__desc {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  line-height: var(--lh-normal);
  margin: 0 0 var(--space-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Song card header row */
.song-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xs);
}

/* Song card tuning and capo info */
.song-card__tuning,
.song-card__capo {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  padding: 1px 6px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
}

/* Song card difficulty label text */
.song-card__difficulty-label {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-left: var(--space-2xs);
}

/* Song card difficulty star colors */
.song-card__difficulty {
  color: var(--color-accent);
  font-size: var(--fs-sm);
}

/* Badge using CSS variable for color */
.song-card__badge {
  background: color-mix(in srgb, var(--badge-color, #888) 15%, transparent);
  color: var(--badge-color, var(--color-text-secondary));
  border: 1px solid color-mix(in srgb, var(--badge-color, #888) 25%, transparent);
}

/* Detail page info labels */
.song-detail__info-label {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-right: var(--space-2xs);
}

.song-detail__info-value {
  color: var(--color-text-primary);
  font-weight: var(--fw-semibold);
}

.song-detail__stars {
  color: var(--color-accent);
  letter-spacing: 1px;
}

/* Related songs heading */
.song-detail__related-heading {
  font-family: var(--font-body);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-lg);
}

/* Related song cards */
.song-detail__related-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: transform var(--transition-base), border-color var(--transition-fast);
}

.song-detail__related-card:hover {
  transform: translateY(-2px);
  border-color: rgba(232, 168, 56, 0.2);
}

.song-detail__related-title {
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  margin: 0;
}

.song-detail__related-artist {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin: 0;
}

.song-detail__related-difficulty {
  color: var(--color-accent);
  font-size: var(--fs-sm);
}

/* Detail navigation back link */
.song-detail__nav-link--back {
  text-align: center;
  font-weight: var(--fw-semibold);
  color: var(--color-accent);
  justify-content: center;
  align-items: center;
  flex: 0 0 auto;
  padding: var(--space-md) var(--space-xl);
}

.song-detail__nav-link--disabled {
  opacity: 0;
  pointer-events: none;
}

.song-detail__nav-direction {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---- SONGS CTA SECTION ---- */
.songs-cta {
  text-align: center;
  padding: var(--space-4xl) var(--space-lg);
  background:
    radial-gradient(ellipse 60% 50% at 50% 50%, rgba(232, 168, 56, 0.06), transparent),
    var(--color-bg-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.songs-cta__inner {
  max-width: 600px;
  margin: 0 auto;
}

.songs-cta__title {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-md);
}

.songs-cta__text {
  font-size: var(--fs-base);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  margin: 0 0 var(--space-xl);
}

.songs-cta__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* No results message (JS-injected) */
.no-results-message {
  text-align: center;
  padding: var(--space-4xl) var(--space-lg);
}

.no-results-title {
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-xs);
}

.no-results-text {
  font-size: var(--fs-base);
  color: var(--color-text-muted);
  margin: 0;
}

/* Section spacing */
.genre-section,
.all-songs-section {
  padding: var(--space-2xl) 0 var(--space-3xl);
}

.section-header {
  text-align: center;
  max-width: var(--max-width);
  margin: 0 auto var(--space-2xl);
  padding: 0 var(--space-lg);
}

.section-subtitle {
  font-size: var(--fs-base);
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* Main content wrapper */
.main-content {
  min-height: 60vh;
}

/* Stat divider */
.songs-hero__stat-divider {
  width: 1px;
  height: 32px;
  background: rgba(255, 255, 255, 0.1);
}

/* ------------------------------------------------------------
   13. RESPONSIVE BREAKPOINTS
   ------------------------------------------------------------ */

/* --- Mobile: < 640px --- */
@media (max-width: 639px) {
  .songs-hero {
    padding: var(--space-3xl) var(--space-md) var(--space-2xl);
  }

  .songs-hero__title {
    font-size: var(--fs-2xl);
  }

  .songs-hero__subtitle {
    font-size: var(--fs-base);
  }

  .songs-hero__stats {
    gap: var(--space-lg);
  }

  .songs-hero__stat-number {
    font-size: var(--fs-lg);
  }

  .songs-hero__decoration {
    display: none;
  }

  /* Filter bar stacks vertically */
  .songs-filter-bar__inner {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
  }

  .songs-filter-bar__group {
    flex-direction: column;
    align-items: stretch;
  }

  .songs-filter-bar__search {
    flex: 1 1 auto;
    min-width: 100%;
  }

  .songs-filter-bar__select {
    width: 100%;
  }

  .songs-filter-bar__count {
    margin-left: 0;
    text-align: center;
  }

  /* Grids: single column */
  .genre-grid,
  .song-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    padding: 0 var(--space-md);
  }

  /* Song detail adjustments */
  .song-detail {
    padding: var(--space-md) var(--space-md) var(--space-3xl);
  }

  .song-detail__title {
    font-size: var(--fs-xl);
  }

  .song-detail__artist {
    font-size: var(--fs-md);
  }

  .song-detail__info {
    gap: var(--space-xs);
  }

  .song-detail__nav {
    flex-direction: column;
  }

  .song-detail__nav-link {
    max-width: 100%;
  }

  .song-detail__nav-link--next {
    text-align: left;
  }

  .song-detail__tab-header {
    padding: var(--space-xs) var(--space-md);
  }

  .song-detail__tab-content {
    padding: var(--space-md);
  }

  .song-detail__tab-content pre {
    font-size: var(--fs-xs);
  }

  /* Breadcrumb */
  .breadcrumb {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  /* Genre section header */
  .genre-section-header {
    padding: 0 var(--space-md) var(--space-xs);
    margin: var(--space-2xl) auto var(--space-md);
  }
}

/* --- Tablet: 640px - 1023px --- */
@media (min-width: 640px) and (max-width: 1023px) {
  .songs-hero__stats {
    gap: var(--space-xl);
  }

  .songs-filter-bar__inner {
    flex-wrap: wrap;
  }

  .songs-filter-bar__search {
    flex: 1 1 200px;
  }

  /* Grids: 2 columns */
  .genre-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .song-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Desktop: 1024px+ --- */
@media (min-width: 1024px) {
  .songs-filter-bar__inner {
    flex-wrap: nowrap;
  }

  .songs-filter-bar__search {
    flex: 0 1 280px;
  }

  .song-detail__tab-content pre {
    font-size: var(--fs-sm);
    line-height: 1.8;
  }
}

/* --- Wide: 1440px+ --- */
@media (min-width: 1440px) {
  .genre-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .song-grid {
    grid-template-columns: repeat(3, 1fr);
    max-width: 1400px;
  }

  .genre-section-header {
    max-width: 1400px;
  }
}

/* ------------------------------------------------------------
   14. UTILITY & STATE CLASSES
   ------------------------------------------------------------ */

/* Genre color badges - to be used with inline style for background */
.song-card__badge[data-genre="rock"]      { background: rgba(239, 68, 68, 0.15);  color: #ef4444; }
.song-card__badge[data-genre="blues"]     { background: rgba(56, 189, 248, 0.15); color: #38bdf8; }
.song-card__badge[data-genre="jazz"]      { background: rgba(168, 85, 247, 0.15); color: #a855f7; }
.song-card__badge[data-genre="folk"]      { background: rgba(74, 222, 128, 0.15); color: #4ade80; }
.song-card__badge[data-genre="country"]   { background: rgba(232, 168, 56, 0.15); color: #e8a838; }
.song-card__badge[data-genre="pop"]       { background: rgba(244, 114, 182, 0.15); color: #f472b6; }
.song-card__badge[data-genre="classical"] { background: rgba(251, 191, 36, 0.15); color: #fbbf24; }
.song-card__badge[data-genre="metal"]     { background: rgba(239, 68, 68, 0.18);  color: #f87171; }
.song-card__badge[data-genre="fingerstyle"] { background: rgba(167, 139, 250, 0.15); color: #a78bfa; }

/* Detail page badge variants */
.song-detail__badge[data-genre="rock"]      { background: rgba(239, 68, 68, 0.15);  color: #ef4444; }
.song-detail__badge[data-genre="blues"]     { background: rgba(56, 189, 248, 0.15); color: #38bdf8; }
.song-detail__badge[data-genre="jazz"]      { background: rgba(168, 85, 247, 0.15); color: #a855f7; }
.song-detail__badge[data-genre="folk"]      { background: rgba(74, 222, 128, 0.15); color: #4ade80; }
.song-detail__badge[data-genre="country"]   { background: rgba(232, 168, 56, 0.15); color: #e8a838; }
.song-detail__badge[data-genre="pop"]       { background: rgba(244, 114, 182, 0.15); color: #f472b6; }
.song-detail__badge[data-genre="classical"] { background: rgba(251, 191, 36, 0.15); color: #fbbf24; }
.song-detail__badge[data-genre="metal"]     { background: rgba(239, 68, 68, 0.18);  color: #f87171; }
.song-detail__badge[data-genre="fingerstyle"] { background: rgba(167, 139, 250, 0.15); color: #a78bfa; }

/* Hidden utility */
.songs-hidden,
.is-hidden {
  display: none !important;
}

/* Loading state shimmer for cards */
.song-card--loading {
  pointer-events: none;
}

.song-card--loading .song-card__title,
.song-card--loading .song-card__artist,
.song-card--loading .song-card__meta {
  background: linear-gradient(
    90deg,
    var(--color-bg-elevated) 25%,
    rgba(255, 255, 255, 0.06) 50%,
    var(--color-bg-elevated) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
  color: transparent;
}

/* Focus states for accessibility */
.genre-card:focus-visible,
.song-card:focus-visible,
.song-detail__nav-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-md);
}

/* Print styles */
@media print {
  .songs-filter-bar,
  .songs-hero__decoration,
  .song-detail__nav,
  .song-detail__tab-copy {
    display: none !important;
  }

  .song-detail__tab-wrapper {
    border: 1px solid #ccc;
    break-inside: avoid;
  }

  .song-detail__tab-content pre {
    color: #333;
    white-space: pre-wrap;
    word-wrap: break-word;
  }
}