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

body {
  background-color: #121212;
  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;
}

/* Artist Header */
#artist-header {
  display: flex;
  gap: 20px;
  margin-bottom: 2rem;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid #2a2a2a;
  flex-wrap: wrap;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(0,0,0,0.5), transparent);
}

#artist-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);
}

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

#artist-name {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

#artist-stats {
  font-size: 1rem;
  color: #b3b3b3;
  margin-bottom: 0.5rem;
}

/* Albums Container */
#albums-container {
  margin-top: 2rem;
}

#albums-container h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid #2a2a2a;
  padding-bottom: 0.5rem;
}

/* Album groups layout */
.album-groups {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Album group section */
.album-group {
  margin-bottom: 1.5rem;
}

.album-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.album-group-header h3 {
  font-size: 1.3rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.album-group-header h3::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 40px;
  height: 2px;
  background-color: var(--color-primary);
}

.group-download-btn {
  padding: 0.4rem 0.8rem;
  font-size: 0.9rem;
}

/* Albums grid layout */
.albums-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

/* Album card styling */
.album-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.album-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.album-cover {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  transition: opacity 0.2s ease;
}

.album-info {
  padding: 0.75rem;
}

.album-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.album-artist {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Track Card (for Albums or Songs) */
.track {
  display: flex;
  align-items: center;
  padding: 1rem;
  background: #181818;
  border-radius: 8px;
  transition: background 0.3s ease;
  flex-wrap: wrap;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.track:hover {
  background: #2a2a2a;
}

.track-number {
  width: 30px;
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  margin-right: 1rem;
  flex-shrink: 0;
}

.track-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  align-items: flex-start;
}

.track-name {
  font-size: 1rem;
  font-weight: bold;
  word-wrap: break-word;
}

.track-artist {
  font-size: 0.9rem;
  color: #b3b3b3;
}

.track-album {
  max-width: 200px;
  font-size: 0.9rem;
  color: #b3b3b3;
  margin-left: 1rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: right;
}

.track-duration {
  width: 60px;
  text-align: right;
  font-size: 0.9rem;
  color: #b3b3b3;
  margin-left: 1rem;
  flex-shrink: 0;
}

/* 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: 0.5rem 1rem;
  font-size: 0.95rem;
  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 (e.g. album download buttons) */
.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);
}

/* Watch Artist Button Styling */
.watch-btn {
  background-color: transparent;
  color: #ffffff;
  border: 1px solid #ffffff;
  border-radius: 4px;
  padding: 0.5rem 1rem;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0.5rem;
}

.watch-btn:hover {
  background-color: #ffffff;
  color: #121212;
  border-color: #ffffff;
}

.watch-btn.watching {
  background-color: #1db954; /* Spotify green for "watching" state */
  color: #ffffff;
  border-color: #1db954;
}

.watch-btn.watching:hover {
  background-color: #17a44b; /* Darker green on hover */
  border-color: #17a44b;
  color: #ffffff;
}

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

/* Styling for icons within watch and sync buttons */
.watch-btn img,
.sync-btn img {
  width: 16px; /* Adjust size as needed */
  height: 16px; /* Adjust size as needed */
  margin-right: 8px; /* Space between icon and text */
  filter: brightness(0) invert(1); /* Make icons white */
}

/* Responsive Styles */

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

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

  .track {
    flex-direction: column;
    align-items: center;
  }

  .track-album,
  .track-duration {
    margin-left: 0;
    margin-top: 0.5rem;
    width: 100%;
    text-align: center;
  }

  .albums-list {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
  }

  .album-group-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .group-download-btn {
    margin-top: 0.5rem;
  }
}

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

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

  .track {
    padding: 0.8rem;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .track-number {
    font-size: 0.9rem;
    margin-right: 0;
    margin-bottom: 0.5rem;
  }

  .track-info {
    align-items: center;
  }

  .track-album,
  .track-duration {
    margin-left: 0;
    margin-top: 0.5rem;
    width: 100%;
    text-align: center;
  }

  .albums-list {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 0.75rem;
  }

  .album-info {
    padding: 0.5rem;
  }

  .album-title {
    font-size: 0.9rem;
  }

  .album-artist {
    font-size: 0.8rem;
  }
}

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

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

/* Toggle Known Status Button for Tracks/Albums */
.toggle-known-status-btn {
  background-color: transparent;
  border: 1px solid var(--color-text-secondary);
  color: var(--color-text-secondary);
  padding: 5px;
  border-radius: 50%; /* Make it circular */
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px; /* Fixed size */
  height: 30px; /* Fixed size */
  transition: background-color 0.2s, border-color 0.2s, color 0.2s, opacity 0.2s; /* Added opacity */
  /* opacity: 0; Initially hidden, JS will make it visible if artist is watched via persistent-album-action-btn */
}

.toggle-known-status-btn img {
  width: 16px; /* Adjust icon size */
  height: 16px;
  filter: brightness(0) invert(1); /* Make icon white consistently */
  margin: 0; /* Ensure no accidental margin for centering */
}

.toggle-known-status-btn:hover {
  border-color: var(--color-primary);
  background-color: rgba(var(--color-primary-rgb), 0.1);
}

.toggle-known-status-btn[data-status="known"] {
  /* Optional: specific styles if it's already known, e.g., a slightly different border */
  border-color: var(--color-success); /* Green border for known items */
}

.toggle-known-status-btn[data-status="missing"] {
  /* Optional: specific styles if it's missing, e.g., a warning color */
  border-color: var(--color-warning); /* Orange border for missing items */
}

.toggle-known-status-btn:active {
  transform: scale(0.95);
}

/* Ensure album download button also fits well within actions container */
.album-actions-container .album-download-btn {
    width: 30px;
    height: 30px;
    padding: 5px; /* Ensure padding doesn't make it too big */
}

.album-actions-container .album-download-btn img {
    width: 16px;
    height: 16px;
}

/* Album actions container */
.album-actions-container {
  /* position: absolute; */ /* No longer needed if buttons are positioned individually */
  /* bottom: 8px; */
  /* right: 8px; */
  /* display: flex; */
  /* gap: 8px; */
  /* background-color: rgba(0, 0, 0, 0.6); */
  /* padding: 5px; */
  /* border-radius: var(--radius-sm); */
  /* opacity: 0; */ /* Ensure it doesn't hide buttons if it still wraps them elsewhere */
  /* transition: opacity 0.2s ease-in-out; */
   display: none; /* Hide this container if it solely relied on hover and now buttons are persistent */
}

/* .album-card:hover .album-actions-container { */
  /* opacity: 1; */ /* Remove this hover effect */
/* } */

/* Album card actions container - for persistent buttons at the bottom */
.album-card-actions {
  display: flex;
  justify-content: space-between; /* Pushes children to ends */
  align-items: center;
  padding: 8px; /* Spacing around the buttons */
  border-top: 1px solid var(--color-surface-darker, #2a2a2a); /* Separator line */
  /* Ensure it takes up full width of the card if not already */
  width: 100%;
}

/* Persistent action button (e.g., toggle known/missing) on album card - BOTTOM-LEFT */
.persistent-album-action-btn {
  /* position: absolute; */ /* No longer absolute */
  /* bottom: 8px; */
  /* left: 8px; */
  /* z-index: 2; */
  opacity: 1; /* Ensure it is visible */
  /* Specific margin if needed, but flexbox space-between should handle it */
  margin: 0; /* Reset any previous margins */
}

/* Persistent download button on album card - BOTTOM-RIGHT */
.persistent-download-btn {
  /* position: absolute; */ /* No longer absolute */
  /* bottom: 8px; */
  /* right: 8px; */
  /* z-index: 2; */
  opacity: 1; /* Ensure it is visible */
  /* Specific margin if needed, but flexbox space-between should handle it */
  margin: 0; /* Reset any previous margins */
}

.album-cover.album-missing-in-db {
  border: 3px dashed var(--color-warning); /* Example: orange dashed border */
  opacity: 0.7;
}

/* NEW STYLES FOR BUTTON STATES */
.persistent-album-action-btn.status-missing {
  background-color: #d9534f; /* Bootstrap's btn-danger red */
  border-color: #d43f3a;
}

.persistent-album-action-btn.status-missing:hover {
  background-color: #c9302c;
  border-color: #ac2925;
}

/* Ensure icon is white on colored background */
.persistent-album-action-btn.status-missing img {
  filter: brightness(0) invert(1);
}

.persistent-album-action-btn.status-known {
  background-color: #5cb85c; /* Bootstrap's btn-success green */
  border-color: #4cae4c;
}

.persistent-album-action-btn.status-known:hover {
  background-color: #449d44;
  border-color: #398439;
}

/* Ensure icon is white on colored background */
.persistent-album-action-btn.status-known img {
  filter: brightness(0) invert(1);
}
/* END OF NEW STYLES */

/* Spinning Icon Animation */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(-360deg); }
}

.icon-spin {
  animation: spin 1s linear infinite;
}