/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

body {
  background: linear-gradient(135deg, #121212, #1e1e1e);
  color: #ffffff;
  min-height: 100vh;
  line-height: 1.4;
}

/* Main App Container */
#app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  position: relative;
  z-index: 1;
}

/* Album Header */
#album-header {
  display: flex;
  gap: 20px;
  margin-bottom: 2rem;
  align-items: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #2a2a2a;
  flex-wrap: wrap;
  transition: all 0.3s ease;
}

#album-image {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
  box-shadow: 0 4px 8px rgba(0,0,0,0.3);
  transition: transform 0.3s ease;
}
#album-image:hover {
  transform: scale(1.02);
}

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

#album-name {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(90deg, #1db954, #17a44b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

#album-artist,
#album-stats {
  font-size: 1.1rem;
  color: #b3b3b3;
  margin-bottom: 0.5rem;
}

#album-copyright {
  font-size: 0.9rem;
  color: #b3b3b3;
  opacity: 0.8;
  margin-bottom: 0.5rem;
}

/* Tracks Container */
#tracks-container {
  margin-top: 2rem;
}

#tracks-container h2 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid #2a2a2a;
  padding-bottom: 0.5rem;
}

/* Tracks List */
#tracks-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Individual Track Styling */
.track {
  display: grid;
  grid-template-columns: 40px 1fr auto auto;
  align-items: center;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  margin-bottom: 0.5rem;
  transition: background-color 0.2s ease;
}

.track:hover {
  background-color: var(--color-surface-hover);
}

.track-number {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  width: 24px;
}

.track-info {
  padding: 0 1rem;
  flex: 1;
  min-width: 0;
}

.track-name {
  font-weight: 500;
  margin-bottom: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-artist {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.track-duration {
  color: var(--color-text-tertiary);
  font-size: 0.9rem;
  margin-right: 1rem;
}

/* Loading and Error States */
.loading,
.error {
  width: 100%;
  text-align: center;
  font-size: 1rem;
  padding: 1rem;
}

.error {
  color: #c0392b;
}

/* Utility Classes */
.hidden {
  display: none !important;
}

/* Unified Download Button Base Style */
.download-btn {
  background-color: #1db954;
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0.5rem;
}

.download-btn:hover {
  background-color: #17a44b;
}

.download-btn:active {
  transform: scale(0.98);
}

/* Circular Variant for Compact Areas */
.download-btn--circle {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: 50%;
  font-size: 0; /* Hide any text */
  background-color: #1db954;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.2s ease;
  margin: 0.5rem;
}

.download-btn--circle img {
  width: 20px;
  height: 20px;
  filter: brightness(0) invert(1);
  display: block;
}

.download-btn--circle:hover {
  background-color: #17a44b;
  transform: scale(1.05);
}

.download-btn--circle:active {
  transform: scale(0.98);
}

/* Home Button Styling */
.home-btn {
  background-color: transparent;
  border: none;
  cursor: pointer;
  margin-right: 1rem;
  padding: 0;
}

.home-btn img {
  width: 32px;
  height: 32px;
  filter: invert(1);
  transition: transform 0.2s ease;
}

.home-btn:hover img {
  transform: scale(1.05);
}

.home-btn:active img {
  transform: scale(0.98);
}

/* Queue Toggle Button */
.queue-toggle {
  background: #1db954;
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 56px;
  height: 56px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: bold;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  transition: background-color 0.3s ease, transform 0.2s ease;
  z-index: 1002;
  /* Remove any fixed positioning by default for mobile; fixed positioning remains for larger screens */
}

/* Actions Container for Small Screens */
#album-actions {
  display: flex;
  width: 100%;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
}

/* Responsive Styles */

/* Medium Devices (Tablets) */
@media (max-width: 768px) {
  #album-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  #album-image {
    width: 180px;
    height: 180px;
    margin-bottom: 1rem;
  }

  #album-name {
    font-size: 2rem;
  }

  #album-artist,
  #album-stats {
    font-size: 1rem;
  }

  .track {
    grid-template-columns: 30px 1fr auto auto;
    padding: 0.6rem 0.8rem;
  }

  .track-duration {
    margin-right: 0.5rem;
  }
}

/* Small Devices (Mobile Phones) */
@media (max-width: 480px) {
  #app {
    padding: 10px;
  }

  #album-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  /* Center the album cover */
  #album-image {
    margin: 0 auto;
  }

  #album-name {
    font-size: 1.75rem;
  }

  #album-artist,
  #album-stats,
  #album-copyright {
    font-size: 0.9rem;
  }

  .track {
    grid-template-columns: 30px 1fr auto;
  }

  .track-info {
    padding: 0 0.5rem;
  }

  .track-name, .track-artist {
    max-width: 200px;
  }

  .section-title {
    font-size: 1.25rem;
  }

  /* Ensure the actions container lays out buttons properly */
  #album-actions {
    flex-direction: row;
    justify-content: space-between;
  }

  /* Remove extra margins from the queue toggle */
  .queue-toggle {
    position: static;
    margin: 0;
  }
}

/* Prevent anchor links from appearing all blue */
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover,
a:focus {
  color: #1db954;
  text-decoration: underline;
}

/* (Optional) Override for circular download button pseudo-element */
.download-btn--circle::before {
  content: none;
}

/* Album page specific styles */

/* Add some context styles for the album copyright */
.album-copyright {
  font-size: 0.85rem;
  color: var(--color-text-tertiary);
  margin-top: 0.5rem;
  font-style: italic;
}

/* Section title styling */
.section-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.section-title:after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 50px;
  height: 2px;
  background-color: var(--color-primary);
}