/* Lightweight UI overlay: opt-in utilities for consistent spacing and layout
   - Safe class names prefixed with u- to avoid collisions
   - No resets; does not alter existing IDs/classes used by JS
*/

:root {
  /* Default vertical rhythm space used by .u-flow */
  --u-flow-space: var(--space-4);
  --u-gap: var(--space-4);
  /* Global surface + elevation tokens used by cards/sections */
  --surface: #ffffff;
  --elev-1: 0 8px 24px rgba(2, 6, 23, .08);
  --elev-2: 0 16px 40px rgba(2, 6, 23, .14);
}

/* Page density toggles (apply on body or a wrapper) */
.density-compact { --u-flow-space: var(--space-3); --u-gap: var(--space-3); }
.density-comfortable { --u-flow-space: var(--space-5); --u-gap: var(--space-5); }
/* Dark mode surface/elevation overrides */
[data-theme="dark"] {
  --surface: var(--gray-800);
  --elev-1: 0 10px 28px rgba(0,0,0,.55);
  --elev-2: 0 18px 52px rgba(0,0,0,.65);
}

/* Container: consistent max width and side padding */
.u-container {
  max-width: var(--container-7xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

/* Flow: vertical rhythm (stack children with consistent spacing) */
.u-flow > * + * { margin-block-start: var(--u-flow-space); }

/* Stack: explicit vertical stack helper (same as flow but reusable inline) */
.u-stack > * + * { margin-block-start: var(--u-flow-space); }

/* Cluster: row with gap and wrap */
.u-cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--u-gap);
}

/* Grid with gap only; define columns at call site if needed */
.u-grid {
  display: grid;
  gap: var(--u-gap);
}

/* Section padding helpers (optional) */
.u-section { padding-block: var(--space-6); }
.u-section--tight { padding-block: var(--space-4); }
.u-section--loose { padding-block: var(--space-8); }

/* Text utilities (non-invasive) */
.u-text-center { text-align: center; }
.u-text-right { text-align: right; }
.u-text-left { text-align: left; }

/* Gap variants */
.u-gap-tight { --u-gap: var(--space-2); }
.u-gap-compact { --u-gap: var(--space-3); }
.u-gap-normal { --u-gap: var(--space-4); }
.u-gap-loose { --u-gap: var(--space-6); }

/* Flow variants */
.u-flow-tight { --u-flow-space: var(--space-2); }
.u-flow-compact { --u-flow-space: var(--space-3); }
.u-flow-loose { --u-flow-space: var(--space-6); }

/* Card density: tighten vertical spacing inside cards and bodies */
.u-card-tight .card .card-body,
.u-card-tight .body { gap: var(--space-2); }

.u-card-tight .title { margin-bottom: 0; }

.u-card-tight .divider { margin: var(--space-2) 0; }

/* Title block (centralized heading spacing) */
.u-title-block { display: block; }
.u-title-block .u-title { margin: 0; letter-spacing: -0.01em; line-height: var(--leading-tight); }
.u-title-block .u-subtitle { margin: 0; color: var(--gray-600); line-height: var(--leading-normal); }

/* Dual container (two-column layouts) */
.u-two { display: grid; grid-template-columns: 1fr 1fr; gap: var(--u-gap); align-items: start; }
.u-two--50-50 { grid-template-columns: 1fr 1fr; }
.u-two--60-40 { grid-template-columns: 3fr 2fr; }
.u-two--40-60 { grid-template-columns: 2fr 3fr; }
.u-two--67-33 { grid-template-columns: 2fr 1fr; }
.u-two--33-67 { grid-template-columns: 1fr 2fr; }

/* Responsive grid collapse moved to mobile.css */

/* ==========================
   Buttons (u-btn)
   ========================== */
.u-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .5rem .85rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  background: var(--gray-50);
  color: var(--gray-800);
  font-weight: 500;
  font-size: .9rem;
  line-height: 1.1;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
}
.u-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); background: var(--gray-100); }
.u-btn[disabled], .u-btn.is-disabled { opacity: .6; cursor: not-allowed; pointer-events: none; }

/* Sizes */
.u-btn--sm { padding: .35rem .6rem; font-size: .85rem; }
.u-btn--md { padding: .5rem .85rem; font-size: .95rem; }
.u-btn--lg { padding: .58rem .86rem; font-size: .93rem; }

/* Shape */
.u-btn--pill { border-radius: 999px; }

/* Variants */
.u-btn--primary { background: var(--primary-600); border-color: var(--primary-600); color: #fff; }
.u-btn--primary:hover { filter: brightness(1.03); box-shadow: 0 6px 16px rgba(37, 99, 235, .25); }

.u-btn--ghost { background: transparent; border-color: var(--gray-300); color: var(--gray-800); }
.u-btn--ghost:hover { background: var(--gray-100); }

.u-btn--soft { background: var(--gray-100); border-color: var(--gray-200); color: var(--gray-800); }

/* ==========================
   Badges & Chips
   ========================== */
.u-badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .15rem .5rem;
  border-radius: 999px;
  border: 1px solid var(--gray-200);
  background: var(--gray-100);
  color: var(--gray-700);
  font-weight: 700;
  font-size: .75rem;
  line-height: 1;
}
.u-badge--primary { background: color-mix(in srgb, var(--primary-500) 12%, white); border-color: color-mix(in srgb, var(--primary-500) 40%, white); color: var(--primary-700); }
.u-badge--info { background: color-mix(in srgb, var(--info-500) 12%, white); border-color: color-mix(in srgb, var(--info-500) 40%, white); color: var(--info-700); }
.u-badge--success { background: color-mix(in srgb, var(--success-500) 12%, white); border-color: color-mix(in srgb, var(--success-500) 40%, white); color: var(--success-700); }
.u-badge--warning { background: color-mix(in srgb, var(--warning-500) 12%, white); border-color: color-mix(in srgb, var(--warning-500) 40%, white); color: var(--warning-700); }
.u-badge--error { background: color-mix(in srgb, var(--error-500) 12%, white); border-color: color-mix(in srgb, var(--error-500) 40%, white); color: var(--error-700); }

.u-chip {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .25rem .6rem;
  border-radius: 999px;
  border: 1px solid var(--gray-300);
  background: var(--gray-50);
  color: var(--gray-700);
  font-weight: 600;
  font-size: .85rem;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}
.u-chip:hover { transform: translateY(-1px); box-shadow: 0 6px 14px rgba(2,6,23,.10); background: var(--gray-100); }
.u-chip.is-active { background: linear-gradient(135deg, var(--primary-500), var(--primary-700)); color: #fff; border-color: transparent; }
.u-chip__x { display: inline-block; width: 14px; height: 14px; border-radius: 999px; background: rgba(0,0,0,.08); line-height: 14px; text-align: center; font-size: 12px; }

/* ==========================
   Chip color variants (uses tokens from variables.css)
   ========================== */
.u-chip--video, .chip.video, .chip.media-video, .media-item-type-badge.video { background: var(--chip-video-bg); border-color: var(--chip-video-border); color: var(--chip-video-text); }
.u-chip--audio, .chip.audio, .chip.media-audio, .media-item-type-badge.audio { background: var(--chip-audio-bg); border-color: var(--chip-audio-border); color: var(--chip-audio-text); }
.u-chip--spotify, .chip.spotify, .chip.media-spotify, .chip.media-streaming, .chip.media-bandcamp, .media-item-type-badge.spotify, .media-item-type-badge.streaming, .media-item-type-badge.bandcamp { background: var(--chip-spotify-bg); border-color: var(--chip-spotify-border); color: var(--chip-spotify-text); }
.u-chip--score, .chip.score, .chip.media-score, .chip.media-score-video, .media-item-type-badge.score-video { background: var(--chip-score-bg); border-color: var(--chip-score-border); color: var(--chip-score-text); }
.u-chip--photo, .chip.photo, .chip.media-photo, .media-item-type-badge.photo { background: var(--chip-photo-bg); border-color: var(--chip-photo-border); color: var(--chip-photo-text); }

.u-chip--composition, .tag.composition, .meta-badge.composition, .filter-chip.composition, .rn-chip.composition, .rrn-chip.composition { background: var(--chip-composition-bg); border-color: var(--chip-composition-border); color: var(--chip-composition-text); }
.u-chip--arrangement, .tag.arrangement, .meta-badge.arrangement, .filter-chip.arrangement { background: var(--chip-arrangement-bg); border-color: var(--chip-arrangement-border); color: var(--chip-arrangement-text); }
.u-chip--resource, .tag.resource, .badge.resource, .meta-chip.resource, .filter-chip.resource { background: var(--chip-resource-bg); border-color: var(--chip-resource-border); color: var(--chip-resource-text); }
.u-chip--media, .tag.media, .badge.media, .meta-chip.media, .filter-chip.media { background: var(--chip-media-bg); border-color: var(--chip-media-border); color: var(--chip-media-text); }

/* Generic info variant (e.g., Jobs/Titles) */
.u-chip--info, .chip.info, .tag.info, .filter-chip.info { background: color-mix(in srgb, var(--info-500) 12%, white); border-color: color-mix(in srgb, var(--info-500) 40%, white); color: var(--info-700); }
[data-theme="dark"] .u-chip--info, [data-theme="dark"] .chip.info, [data-theme="dark"] .tag.info, [data-theme="dark"] .filter-chip.info { background: color-mix(in srgb, var(--info-500) 22%, var(--gray-800)); border-color: color-mix(in srgb, var(--info-500) 55%, transparent); color: #bfdbfe; }

/* Autoskin common HTML tags to variants via data attributes or class keywords */
[data-chip-type="video"], .tag[data-type="video"], .chip[data-type="video"] { background: var(--chip-video-bg); border-color: var(--chip-video-border); color: var(--chip-video-text); }
[data-chip-type="audio"], .tag[data-type="audio"], .chip[data-type="audio"] { background: var(--chip-audio-bg); border-color: var(--chip-audio-border); color: var(--chip-audio-text); }
[data-chip-type="spotify"], .tag[data-type="spotify"], .chip[data-type="spotify"] { background: var(--chip-spotify-bg); border-color: var(--chip-spotify-border); color: var(--chip-spotify-text); }
[data-chip-type="score"], .tag[data-type*="score"], .chip[data-type*="score"] { background: var(--chip-score-bg); border-color: var(--chip-score-border); color: var(--chip-score-text); }
[data-chip-type="photo"], .tag[data-type="photo"], .chip[data-type="photo"] { background: var(--chip-photo-bg); border-color: var(--chip-photo-border); color: var(--chip-photo-text); }

/* Audio tags generic chip look */
.audio-tags .chip, .audio-tags .tag, .audio-item-tag { display:inline-flex; align-items:center; gap:.3rem; padding:.2rem .5rem; border-radius:999px; border:1px solid var(--gray-200); background: var(--gray-100); color: var(--gray-700); font-weight:700; font-size:.75rem; }

/* 3D shadow effect for all chips - adds subtle depth */
.chip, .tag, .u-chip, .meta-badge, .filter-chip, .audio-item-category, .featured-metadata-category, .audio-item-tag, .featured-audio-tag {
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.08);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.chip:hover, .tag:hover, .u-chip:hover, .meta-badge:hover, .filter-chip:hover, .audio-item-category:hover, .featured-metadata-category:hover, .audio-item-tag:hover, .featured-audio-tag:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.12);
}

/* Audio item tags get colors based on data-tag attribute - !important to override media-styles.css */
.audio-item-tag[data-tag="live"], .audio-item-tag[data-tag="Live"], .featured-audio-tag[data-tag="live"] { background: var(--chip-live-bg) !important; border-color: var(--chip-live-border) !important; color: var(--chip-live-text) !important; }
.audio-item-tag[data-tag="solo"], .audio-item-tag[data-tag="Solo"], .featured-audio-tag[data-tag="solo"] { background: var(--chip-solo-bg) !important; border-color: var(--chip-solo-border) !important; color: var(--chip-solo-text) !important; }
.audio-item-tag[data-tag="chamber"], .audio-item-tag[data-tag="Chamber"], .featured-audio-tag[data-tag="chamber"] { background: var(--chip-chamber-bg) !important; border-color: var(--chip-chamber-border) !important; color: var(--chip-chamber-text) !important; }
.audio-item-tag[data-tag="multi-track"], .audio-item-tag[data-tag="Multi-track"], .audio-item-tag[data-tag="multitrack"], .featured-audio-tag[data-tag="multi-track"] { background: var(--chip-multitrack-bg) !important; border-color: var(--chip-multitrack-border) !important; color: var(--chip-multitrack-text) !important; }
.audio-item-tag[data-tag="recording"], .audio-item-tag[data-tag="Recording"], .featured-audio-tag[data-tag="recording"] { background: var(--chip-audio-bg) !important; border-color: var(--chip-audio-border) !important; color: var(--chip-audio-text) !important; }
.audio-item-tag[data-tag="midi"], .audio-item-tag[data-tag="MIDI"], .featured-audio-tag[data-tag="midi"] { background: var(--chip-score-bg) !important; border-color: var(--chip-score-border) !important; color: var(--chip-score-text) !important; }

/* News category chips */
.chip.updates, .tag.updates, .meta-badge.updates, .filter-chip.updates, .rrn-chip.updates { background: var(--chip-updates-bg) !important; border-color: var(--chip-updates-border) !important; color: var(--chip-updates-text) !important; }
.chip.events, .tag.events, .meta-badge.events, .filter-chip.events, .rrn-chip.events { background: var(--chip-events-bg) !important; border-color: var(--chip-events-border) !important; color: var(--chip-events-text) !important; }
.chip.blog, .tag.blog, .meta-badge.blog, .filter-chip.blog, .rrn-chip.blog { background: var(--chip-blog-bg) !important; border-color: var(--chip-blog-border) !important; color: var(--chip-blog-text) !important; }
.chip.releases, .chip.release, .tag.releases, .tag.release, .meta-badge.releases, .filter-chip.releases, .rrn-chip.releases { background: var(--chip-releases-bg) !important; border-color: var(--chip-releases-border) !important; color: var(--chip-releases-text) !important; }
.chip.news, .tag.news, .meta-badge.news, .filter-chip.news, .rrn-chip.news { background: var(--chip-news-bg) !important; border-color: var(--chip-news-border) !important; color: var(--chip-news-text) !important; }

/* News tag chips */
.chip.announcement, .tag.announcement { background: var(--chip-announcement-bg) !important; border-color: var(--chip-announcement-border) !important; color: var(--chip-announcement-text) !important; }
.chip.concert, .tag.concert { background: var(--chip-concert-bg) !important; border-color: var(--chip-concert-border) !important; color: var(--chip-concert-text) !important; }
.chip.analysis, .tag.analysis { background: var(--chip-analysis-bg) !important; border-color: var(--chip-analysis-border) !important; color: var(--chip-analysis-text) !important; }
.chip.composition-tag, .tag.composition-tag { background: var(--chip-composition-bg) !important; border-color: var(--chip-composition-border) !important; color: var(--chip-composition-text) !important; }
.chip.education, .tag.education { background: var(--chip-education-bg) !important; border-color: var(--chip-education-border) !important; color: var(--chip-education-text) !important; }
.chip.residency, .tag.residency { background: var(--chip-residency-bg) !important; border-color: var(--chip-residency-border) !important; color: var(--chip-residency-text) !important; }
.chip.award, .tag.award { background: var(--chip-award-bg) !important; border-color: var(--chip-award-border) !important; color: var(--chip-award-text) !important; }
.chip.commission, .tag.commission { background: var(--chip-commission-bg) !important; border-color: var(--chip-commission-border) !important; color: var(--chip-commission-text) !important; }
.chip.premiere, .tag.premiere { background: var(--chip-premiere-bg) !important; border-color: var(--chip-premiere-border) !important; color: var(--chip-premiere-text) !important; }
.chip.recording-tag, .tag.recording-tag { background: var(--chip-audio-bg) !important; border-color: var(--chip-audio-border) !important; color: var(--chip-audio-text) !important; }
.chip.collaboration, .tag.collaboration { background: var(--chip-collaboration-bg) !important; border-color: var(--chip-collaboration-border) !important; color: var(--chip-collaboration-text) !important; }

/* Performance category chips - Match by text content using :is() for simplicity */
.audio-item-category:is([class*="solo"], .solo),
.featured-metadata-category:is([class*="solo"], .solo),
.chip:is([class*="solo"], .solo),
.tag:is([class*="solo"], .solo),
.meta-badge:is([class*="solo"], .solo),
.filter-chip:is([class*="solo"], .solo),
[data-category="solo"] .audio-item-category,
[data-category="solo"] .featured-metadata-category { 
    background: var(--chip-solo-bg) !important; 
    border-color: var(--chip-solo-border) !important; 
    color: var(--chip-solo-text) !important; 
}

.audio-item-category:is([class*="live"], .live),
.featured-metadata-category:is([class*="live"], .live),
.chip:is([class*="live"], .live),
.tag:is([class*="live"], .live),
.meta-badge:is([class*="live"], .live),
.filter-chip:is([class*="live"], .live),
[data-category="live"] .audio-item-category,
[data-category="live"] .featured-metadata-category { 
    background: var(--chip-live-bg) !important; 
    border-color: var(--chip-live-border) !important; 
    color: var(--chip-live-text) !important; 
}

.audio-item-category:is([class*="chamber"], .chamber),
.featured-metadata-category:is([class*="chamber"], .chamber),
.chip:is([class*="chamber"], .chamber),
.tag:is([class*="chamber"], .chamber),
.meta-badge:is([class*="chamber"], .chamber),
.filter-chip:is([class*="chamber"], .chamber),
[data-category="chamber"] .audio-item-category,
[data-category="chamber"] .featured-metadata-category { 
    background: var(--chip-chamber-bg) !important; 
    border-color: var(--chip-chamber-border) !important; 
    color: var(--chip-chamber-text) !important; 
}

.audio-item-category:is([class*="multi"], [class*="track"]),
.featured-metadata-category:is([class*="multi"], [class*="track"]),
.chip:is([class*="multi"], [class*="track"]),
.tag:is([class*="multi"], [class*="track"]),
.meta-badge:is([class*="multi"], [class*="track"]),
.filter-chip:is([class*="multi"], [class*="track"]),
[data-category*="multi"] .audio-item-category,
[data-category*="multi"] .featured-metadata-category { 
    background: var(--chip-multitrack-bg) !important; 
    border-color: var(--chip-multitrack-border) !important; 
    color: var(--chip-multitrack-text) !important; 
}

.audio-item-category:is([class*="performance"], .performance),
.featured-metadata-category:is([class*="performance"], .performance),
.chip:is([class*="performance"], .performance),
.tag:is([class*="performance"], .performance),
.meta-badge:is([class*="performance"], .performance),
.filter-chip:is([class*="performance"], .performance),
[data-category="performance"] .audio-item-category,
[data-category="performance"] .featured-metadata-category { 
    background: var(--chip-performance-bg) !important; 
    border-color: var(--chip-performance-border) !important; 
    color: var(--chip-performance-text) !important; 
}

/* News list chips (.chip media-*) and badges in various pages already emit classes; the above maps them. */

/* ==========================
   Frosted glass treatment for non-media chips
   - Applies to composition/arrangement/resource, news categories/tags, and performance chips
   - Does NOT affect media chips (video/audio/spotify/score/photo)
   ========================== */

/* Entity chips */
.chip.composition, .tag.composition, .meta-badge.composition, .filter-chip.composition, .rn-chip.composition, .rrn-chip.composition {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-composition-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.chip.arrangement, .tag.arrangement, .meta-badge.arrangement, .filter-chip.arrangement {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-arrangement-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.chip.resource, .tag.resource, .meta-badge.resource, .filter-chip.resource {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-resource-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

/* News category chips */
.chip.updates, .tag.updates, .meta-badge.updates, .filter-chip.updates, .rrn-chip.updates {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-updates-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.chip.events, .tag.events, .meta-badge.events, .filter-chip.events, .rrn-chip.events {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-events-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.chip.blog, .tag.blog, .meta-badge.blog, .filter-chip.blog, .rrn-chip.blog {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-blog-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.chip.releases, .chip.release, .tag.releases, .tag.release, .meta-badge.releases, .filter-chip.releases, .rrn-chip.releases {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-releases-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.chip.news, .tag.news, .meta-badge.news, .filter-chip.news, .rrn-chip.news {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-news-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

/* News tag chips */
.chip.announcement, .tag.announcement {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-announcement-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.chip.concert, .tag.concert {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-concert-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.chip.analysis, .tag.analysis {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-analysis-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.chip.composition-tag, .tag.composition-tag {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-composition-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.chip.education, .tag.education {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-education-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.chip.residency, .tag.residency {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-residency-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.chip.award, .tag.award {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-award-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.chip.commission, .tag.commission {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-commission-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.chip.premiere, .tag.premiere {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-premiere-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.chip.recording-tag, .tag.recording-tag {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-audio-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.chip.collaboration, .tag.collaboration {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-collaboration-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

/* Performance chips (non-media) */
.audio-item-category.solo, .featured-metadata-category.solo,
.chip.solo, .tag.solo, .meta-badge.solo, .filter-chip.solo {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-solo-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.audio-item-category.live, .featured-metadata-category.live,
.chip.live, .tag.live, .meta-badge.live, .filter-chip.live {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-live-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.audio-item-category.chamber, .featured-metadata-category.chamber,
.chip.chamber, .tag.chamber, .meta-badge.chamber, .filter-chip.chamber {
  background: rgba(255,255,255,.4) !important;
  border-color: color-mix(in srgb, var(--chip-chamber-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
.audio-item-category.multitrack, .audio-item-category.multi-track, .featured-metadata-category.multitrack, .featured-metadata-category.multi-track,
.chip.multitrack, .chip.multi-track, .tag.multitrack, .tag.multi-track, .meta-badge.multitrack, .meta-badge.multi-track, .filter-chip.multitrack, .filter-chip.multi-track {
  background: #fff !important;
  border-color: color-mix(in srgb, var(--chip-multitrack-border) 70%, transparent) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

/* ==========================
   Accordion
   ========================== */
.u-accordion { border: 1px solid var(--gray-200); border-radius: 12px; background: var(--surface, #fff); overflow: hidden; }
.u-accordion__header { display: flex; align-items: center; justify-content: space-between; gap: .6rem; padding: .65rem .9rem; cursor: pointer; }
.u-accordion__panel { max-height: 0; opacity: 0; overflow: hidden; padding: 0 .9rem; border-top: 1px solid var(--gray-100); transition: max-height .25s ease, opacity .25s ease, padding .25s ease; }
.u-accordion.is-open .u-accordion__panel,
.u-accordion__panel.is-open,
.u-accordion[aria-expanded="true"] .u-accordion__panel { max-height: 1000px; opacity: 1; padding: .75rem .9rem .95rem; }

/* Defensive rule: hide any Learn/Read More CTA inside accordions to avoid redundant CTAs */
.u-accordion .read-more,
.u-accordion .learn-more,
.u-accordion .learn-more-btn,
.u-accordion .btn.learn-more { display: none !important; }

/* ==========================
   Switch (toggle-like button)
   ========================== */
.u-switch {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .45rem .78rem;
  border: 1px solid var(--gray-300);
  border-radius: 999px;
  background: #fff;
  color: var(--gray-800);
  font-weight: 600;
}
.u-switch::before { content: ""; display: inline-block; width: 12px; height: 12px; border-radius: 999px; box-shadow: inset 0 0 0 2px currentColor; background: transparent; transition: all var(--transition-fast); }
.u-switch[aria-pressed="true"]::before,
.u-switch[data-visible="true"]::before,
.u-switch[data-on="true"]::before { box-shadow: none; background: currentColor; }
.u-switch--primary { color: #fff; background: linear-gradient(135deg, var(--primary-500), var(--primary-700)); border-color: var(--primary-600); }
.u-switch--primary::before { box-shadow: inset 0 0 0 2px rgba(255,255,255,.9); background: transparent; }
.u-switch--primary[aria-pressed="true"]::before,
.u-switch--primary[data-visible="true"]::before,
.u-switch--primary[data-on="true"]::before { background: #fff; }

/* ==========================
   Legacy-style Toggle (pill with dot + active gradient)
   ========================== */
.u-toggle {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .98rem;
  padding: .5rem .9rem;
  border-radius: 10px;
  border: 1px solid var(--gray-200);
  background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
  color: var(--gray-800);
  box-shadow: 0 2px 8px rgba(2,6,23,.06);
}
.u-toggle::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  box-shadow: inset 0 0 0 2px currentColor;
  background: transparent;
  transition: all var(--transition-fast);
}
.u-toggle[aria-pressed="true"],
.u-toggle[data-visible="true"],
.u-toggle[data-on="true"] {
  background: linear-gradient(135deg, #f59e0b 0%, #f59e0b 40%, #d97706 100%);
  color: #fff;
  border-color: #eab308;
  box-shadow: 0 6px 18px rgba(245, 158, 11, .25);
}
.u-toggle[aria-pressed="true"]::before,
.u-toggle[data-visible="true"]::before,
.u-toggle[data-on="true"]::before {
  box-shadow: none;
  background: currentColor;
}

/* Text utilities */
.u-text-capitalize { text-transform: capitalize; }
.u-text-titlecase { text-transform: none; }
.u-text-uppercase { text-transform: uppercase; }


/* ==========================
   Glass / Frosted Utilities
   ========================== */
:root {
  --glass-blur: 12px;
  --glass-opacity: 0.68;
  --glass-bg: color-mix(in srgb, var(--surface) 60%, transparent);
  --glass-border: color-mix(in srgb, var(--gray-900) 12%, transparent);
  --glass-shadow: 0 12px 26px rgba(2, 6, 23, .12);
}
[data-theme="dark"] {
  --glass-bg: color-mix(in srgb, var(--gray-800) 80%, transparent);
  --glass-border: color-mix(in srgb, #ffffff 12%, transparent);
  --glass-shadow: 0 20px 42px rgba(0, 0, 0, .55);
}

/* Generic frosted panel */
.u-glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  box-shadow: var(--glass-shadow);
  -webkit-backdrop-filter: saturate(1.1) blur(var(--glass-blur));
  backdrop-filter: saturate(1.1) blur(var(--glass-blur));
}

/* Rail-style frosted bar (good for sticky filter bars) */
.u-glass-rail {
  background: var(--glass-bg);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  -webkit-backdrop-filter: saturate(1.1) blur(calc(var(--glass-blur) - 4px));
  backdrop-filter: saturate(1.1) blur(calc(var(--glass-blur) - 4px));
}

/* Subtle sheen to hint glass without being glossy */
.u-glass, .u-glass-rail {
  background-image: linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.06));
}

/* Fallback when backdrop-filter is unavailable: slightly stronger tint */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .u-glass, .u-glass-rail {
    background: color-mix(in srgb, var(--surface) 80%, transparent);
  }
}

/* Softer, more transparent variant (useful when the content should be mostly clear) */
.u-glass-soft { --glass-bg: color-mix(in srgb, var(--surface) 22%, transparent); }
[data-theme="dark"] .u-glass-soft { --glass-bg: color-mix(in srgb, var(--gray-800) 28%, transparent); }

/* Bare background-only blur (no border/shadow) */
.u-glass-bare {
  background: var(--glass-bg);
  -webkit-backdrop-filter: saturate(1.1) blur(var(--glass-blur));
  backdrop-filter: saturate(1.1) blur(var(--glass-blur));
  border: 0;
  box-shadow: none;
}