/*
 * Modern Aurionix Interface - Revamped Design
 * Inspired by contemporary music platforms with gradient aesthetics
 */

/* Import modern font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Modern gradient color palette */
  --colour-bg: #0a0a0f;
  --colour-bg-dark: #060609;
  --colour-bg-card: rgba(20, 20, 30, 0.8);
  --colour-primary: #8b5cf6;
  --colour-secondary: #ec4899;
  --colour-accent: #f59e0b;
  --colour-text: #f8fafc;
  --colour-text-muted: #94a3b8;
  --colour-border: rgba(148, 163, 184, 0.1);
  
  /* Gradient definitions */
  --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
  --gradient-secondary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --gradient-bg: linear-gradient(135deg, #0a0a0f 0%, #1e1b4b 50%, #7c3aed 100%);
  --gradient-card: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
  
  /* Spacing and sizing */
  --navbar-height: 4.5rem;
  --container-width: 95vw;
  --border-radius: 1rem;
  --border-radius-sm: 0.5rem;
  --transition-speed: 0.3s;
  --transition-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* Typography */
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-feature-settings: 'cv11', 'ss01';
  font-variation-settings: 'opsz' auto;
}

/* Base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--colour-bg);
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(139, 92, 246, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(59, 130, 246, 0.2) 0%, transparent 50%);
  background-attachment: fixed;
  color: var(--colour-text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Utility classes */
.container {
  width: var(--container-width);
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Modern button styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-speed) var(--transition-spring);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn--primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(139, 92, 246, 0.6);
}

.btn--secondary {
  background: var(--gradient-secondary);
  color: white;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
}

.btn--outline {
  background: rgba(139, 92, 246, 0.1);
  color: var(--colour-primary);
  border: 1px solid rgba(139, 92, 246, 0.3);
  backdrop-filter: blur(10px);
}

.btn--outline:hover {
  background: rgba(139, 92, 246, 0.2);
  border-color: var(--colour-primary);
  transform: translateY(-1px);
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
  border-radius: var(--border-radius);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--colour-border);
  padding: 0 1.5rem;
  z-index: 1000;
}

.navbar__logo .logo-text {
  font-weight: 800;
  font-size: 1.8rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar__links ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.navbar__links a {
  color: var(--colour-text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition-speed);
  position: relative;
}

.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-speed);
}

.navbar__links a:hover,
.navbar__links a.active {
  color: var(--colour-text);
}

.navbar__links a:hover::after,
.navbar__links a.active::after {
  width: 100%;
}

/* Hero section */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding-top: var(--navbar-height);
  overflow: hidden;
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10, 10, 15, 0.8), rgba(30, 27, 75, 0.6));
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: start;
  width: 100%;
  max-width: 1400px;
  padding: 4rem 1.5rem;
}

.hero__text {
  max-width: 600px;
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #e2e8f0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.2rem;
  line-height: 1.6;
  margin-bottom: 2.5rem;
  color: var(--colour-text-muted);
  font-weight: 400;
}

.hero__buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Modern charts sidebar */
.hero__charts {
  background: var(--colour-bg-card);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius);
  padding: 2rem;
  width: 350px;
  border: 1px solid var(--colour-border);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.charts__title {
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.charts__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.charts__item {
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  transition: all var(--transition-speed);
}

.charts__link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--colour-text);
  padding: 0.75rem;
  transition: all var(--transition-speed);
  border-radius: var(--border-radius-sm);
}

.charts__link:hover {
  background: var(--gradient-card);
  transform: translateX(4px);
}

.charts__cover {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
  margin-right: 1rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.charts__info {
  flex: 1;
}

.charts__name {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.charts__artist {
  font-size: 0.85rem;
  color: var(--colour-text-muted);
}

/* Player bar */
.player {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--colour-border);
  padding: 1rem 0;
  z-index: 1000;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.player__controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.player__track-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
  flex: 0 0 300px;
}

.player__cover {
  width: 50px;
  height: 50px;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.player__meta {
  min-width: 0;
}

.player__title {
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player__artist {
  font-size: 0.85rem;
  color: var(--colour-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player__buttons {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 0 0 auto;
}

.player__btn {
  background: none;
  border: none;
  color: var(--colour-text);
  font-size: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-speed);
  padding: 0.5rem;
  border-radius: 50%;
}

.player__btn:hover {
  color: var(--colour-primary);
  background: rgba(139, 92, 246, 0.1);
  transform: scale(1.1);
}

.player__progress {
  flex: 1;
  margin: 0 1rem;
}

.player__progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(148, 163, 184, 0.2);
  border-radius: 3px;
  overflow: hidden;
  cursor: pointer;
}

.player__progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  transition: width 0.1s ease;
}

/* Section titles */
.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 2rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Grid layouts */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--promoted {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid--albums {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* Modern card design */
.card {
  background: var(--colour-bg-card);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius);
  overflow: hidden;
  position: relative;
  transition: all var(--transition-speed) var(--transition-spring);
  border: 1px solid var(--colour-border);
  height: 100%;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-card);
  opacity: 0;
  transition: opacity var(--transition-speed);
}

.card:hover::before {
  opacity: 1;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(139, 92, 246, 0.3);
}

.card__link {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  z-index: 2;
}

.card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-speed);
}

.card:hover .card__image {
  transform: scale(1.05);
}

.card__body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--colour-text);
}

.card__artist {
  font-size: 0.9rem;
  color: var(--colour-text-muted);
  margin-bottom: 1rem;
}

.card__rating {
  display: flex;
  gap: 0.2rem;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.star--filled {
  color: var(--colour-accent);
}

.star--empty {
  color: var(--colour-text-muted);
}

.card__price {
  font-weight: 700;
  font-size: 1.1rem;
  margin-top: auto;
  color: var(--colour-primary);
}

/* Track list styles */
.track-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.track-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--colour-bg-card);
  backdrop-filter: blur(20px);
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-speed);
  border: 1px solid var(--colour-border);
}

.track-item:hover {
  background: var(--gradient-card);
  transform: translateX(4px);
}

.track-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-weight: 500;
  min-width: 0;
  flex: 1;
}

.track-number {
  color: var(--colour-secondary);
  font-weight: 700;
  font-size: 1.1rem;
  min-width: 2rem;
}

.track-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.track-price {
  font-weight: 700;
  color: var(--colour-primary);
  font-size: 1.1rem;
  min-width: 4rem;
  text-align: right;
}

.track-ext {
  color: var(--colour-secondary);
  text-decoration: none;
  font-size: 1.2rem;
  transition: all var(--transition-speed);
  padding: 0.25rem;
  border-radius: 0.25rem;
}

.track-ext:hover {
  color: var(--colour-accent);
  background: rgba(245, 158, 11, 0.1);
  transform: scale(1.1);
}

/* Album page layout */
.album-header {
  display: flex;
  gap: 3rem;
  margin-bottom: 3rem;
  align-items: flex-start;
}

.album-cover {
  flex: 0 0 300px;
}

.album-cover img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--border-radius);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.album-info {
  flex: 1;
  min-width: 0;
}

.album-info h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--colour-text);
  line-height: 1.2;
}

.album-info p {
  margin-bottom: 1.5rem;
  line-height: 1.6;
  color: var(--colour-text-muted);
  font-size: 1.1rem;
}

.album-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.album-links a {
  display: block;
  text-align: center;
}

.album-tracks h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--colour-secondary);
}

/* Promoted section */
.promoted {
  padding: 6rem 0;
  position: relative;
}

.promoted__footer {
  text-align: center;
  margin-top: 3rem;
}

/* Footer */
.site-footer {
  background: var(--colour-bg-dark);
  padding: 3rem 0;
  text-align: center;
  border-top: 1px solid var(--colour-border);
  margin-top: 4rem;
}

.site-footer p {
  margin-bottom: 1.5rem;
  color: var(--colour-text-muted);
}

.footer-links {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.footer-links a {
  color: var(--colour-text-muted);
  text-decoration: none;
  transition: color var(--transition-speed);
}

.footer-links a:hover {
  color: var(--colour-primary);
}

/* Form styles */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--colour-border);
  border-radius: var(--border-radius-sm);
  background: var(--colour-bg-card);
  color: var(--colour-text);
  font-size: 1rem;
  transition: all var(--transition-speed);
  backdrop-filter: blur(10px);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--colour-primary);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--colour-text);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--colour-bg-card);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid var(--colour-border);
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--colour-border);
}

th {
  background: rgba(139, 92, 246, 0.1);
  font-weight: 600;
  color: var(--colour-primary);
}

tr:hover {
  background: rgba(139, 92, 246, 0.05);
}

/* Responsive design */
@media (max-width: 1024px) {
  .hero__content {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  
  .hero__charts {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
  }
  
  .album-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .album-cover {
    flex: none;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 0 1rem;
  }
  
  .navbar__links ul {
    gap: 1rem;
  }
  
  .hero__buttons {
    justify-content: center;
  }
  
  .player__controls {
    flex-wrap: wrap;
    gap: 1rem;
  }
  
  .player__progress {
    order: 3;
    flex-basis: 100%;
    margin: 0;
  }
  
  .track-item {
    flex-wrap: wrap;
    gap: 1rem;
  }
  
  .track-actions {
    order: 3;
    flex-basis: 100%;
    justify-content: space-between;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 1rem;
  }
  
  .hero__title {
    font-size: 2.5rem;
  }
  
  .album-info h1 {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .album-cover {
    flex: 0 0 250px;
  }
  
  .album-cover img {
    width: 250px;
    height: 250px;
  }
}

/* Loading states and animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--colour-bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--colour-secondary);
}

/* Custom checkbox styling */
input[type="checkbox"] {
  width: auto;
  accent-color: var(--colour-primary);
  transform: scale(1.2);
  margin-right: 0.5rem;
}

/* Error states */
.error {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
  padding: 1rem;
  border-radius: var(--border-radius-sm);
  border-left: 4px solid #ef4444;
  margin-bottom: 1rem;
}


/* ----------------------------------------------------------------------
 * Cart page styling
 *
 * Transform the cart from a basic table into a clean list of cards. Each
 * cart item displays a small cover image, track and album titles,
 * price, and an action button. Responsive flexbox is used to align
 * content and ensure a cohesive look on both desktop and mobile.
 */
.cart-items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cart-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: var(--colour-bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--colour-border);
}

.cart-item-cover img {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
}

.cart-item-details {
  flex: 1;
  margin-left: 1rem;
}

.cart-item-details h3 {
  margin: 0;
  font-size: 1rem;
}

.cart-item-details p {
  margin: 0.25rem 0 0;
  font-size: 0.8rem;
  color: var(--colour-text-muted);
}

.cart-item-price {
  margin-left: auto;
  font-weight: 600;
}

.cart-item-action {
  margin-left: 1rem;
}

/* Success states */
.success {
  color: #10b981;
  background: rgba(16, 185, 129, 0.1);
  padding: 1rem;
  border-radius: var(--border-radius-sm);
  border-left: 4px solid #10b981;
  margin-bottom: 1rem;
}

/* ----------------------------------------------------------------------
 * Top Tracks redesign
 *
 * The top tracks section on the homepage now uses a card layout with the
 * track rank overlayed on the album cover, a hover overlay for the play
 * button, and properly spaced text. Titles are clamped to two lines and a
 * minimum height ensures they do not overlap the album art.
 */
.top-tracks .tracks-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.top-tracks .track-card {
  background: var(--colour-bg-card);
  border: 1px solid var(--colour-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

.top-tracks .track-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}
.top-tracks .track-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.top-tracks .track-rank {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  border-radius: 0.5rem;
  padding: 0.15rem 0.5rem;
  font-size: 0.75rem;
  z-index: 2;
}

/* Redesigned top tracks badge and play button */
.top-tracks .track-rank-badge {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  border-radius: 0.5rem;
  padding: 0.15rem 0.5rem;
  font-size: 0.75rem;
  z-index: 2;
}

.top-tracks .play-btn {
  background: var(--gradient-secondary);
  color: #ffffff;
  border: none;
  border-radius: 50%;
  width: 2.2rem;
  height: 2.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: background 0.3s ease;
  margin-top: 0.5rem;
}

.top-tracks .play-btn:hover {
  background: var(--gradient-primary);
}

.top-tracks .track-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
}
.top-tracks .track-cover:hover .track-overlay {
  opacity: 1;
}
.top-tracks .track-play-btn {
  background: none;
  border: none;
  color: #ffffff;
  font-size: 2rem;
  cursor: pointer;
}

.top-tracks .track-info {
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.top-tracks .track-title {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.2rem;
}
.top-tracks .track-album {
  font-size: 0.8rem;
  color: var(--colour-text-muted);
}
.top-tracks .track-meta {
  font-size: 0.75rem;
  color: var(--colour-text-muted);
}

/* ----------------------------------------------------------------------
 * Empty cart styles
 *
 * Display a friendly message when the shopping cart is empty. Use a flex
 * container to center the content, a cart icon for visual interest, and
 * encourage visitors to browse the catalogue.
 */
.empty-cart {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  margin-top: 2rem;
  background: var(--colour-bg-card);
  border: 1px solid var(--colour-border);
  border-radius: var(--border-radius);
}

.empty-cart-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--colour-secondary);
}

.empty-cart h3 {
  margin: 0.5rem 0;
  font-size: 1.5rem;
}

.empty-cart p {
  margin: 0.5rem 0 1rem;
  color: var(--colour-text-muted);
}

/* ----------------------------------------------------------------------
 * Fancy album cards
 *
 * These styles define a modern card layout for albums used on the homepage
 * and album list pages. Cards feature a small label, square cover art and
 * truncated description, along with a call‑to‑action button. The grid uses
 * a responsive minmax pattern to ensure consistent sizing across varying
 * viewport widths.
 */
.fancy-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.fancy-card {
  position: relative;
  background: var(--colour-bg-card);
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid var(--colour-border);
  transition: transform var(--transition-speed) var(--transition-spring), box-shadow var(--transition-speed) var(--transition-spring);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.fancy-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(139, 92, 246, 0.2);
}

.fancy-card .album-tag {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: var(--gradient-primary);
  color: #fff;
  padding: 0.25rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.65rem;
  text-transform: uppercase;
  z-index: 2;
}

.fancy-card .fancy-cover {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}
.fancy-card .fancy-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.fancy-card .fancy-body {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.fancy-card .fancy-body h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
}
.fancy-card .fancy-body p {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  color: var(--colour-text-muted);
  line-height: 1.4;
  flex-grow: 1;
}

.fancy-card .btn-view {
  align-self: flex-start;
  background: var(--gradient-secondary);
  color: #fff;
  padding: 0.4rem 0.8rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}
.fancy-card .btn-view:hover {
  background: var(--gradient-primary);
  transform: translateY(-2px);
}

/*
 * Favourite button styles
 *
 * These rules style the heart icon used to favourite tracks. A neutral colour
 * is used by default and a brighter accent colour when a track has been
 * favourited. The slight scale on hover provides interactive feedback.
 */
.favorite-btn {
  cursor: pointer;
  margin-left: 0.5rem;
  font-size: 1.2rem;
  color: #a0aec0; /* muted grey */
  transition: transform 0.2s ease, color 0.2s ease;
}

/* Playlist icon styles */
.playlist-icon {
  color: var(--colour-text-muted);
  margin-left: 0.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  cursor: pointer;
  transition: transform 0.2s ease;
}
.playlist-icon:hover {
  transform: scale(1.15);
  color: var(--colour-accent);
}
.favorite-btn:hover {
  transform: scale(1.2);
}
.favorite-btn.favorited {
  color: #e11d48; /* rose red */
}