:root {
  --bg: #121212;
  --surface: #1e1e1e;
  --surface-hover: #282828;
  --surface-elevated: #242424;
  --primary: #1DB954;
  --primary-hover: #1ed760;
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --text-tertiary: #727272;
  --divider: #282828;
  --error: #e74c3c;
  --focus-ring: #1DB954;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
}

@media (min-width: 1024px) {
  html, body { font-size: 16px; }
}

a { color: var(--primary); }

::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-hover); border-radius: 6px; }

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 24px;
  background: rgba(18, 18, 18, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--divider);
}

.site-header .brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
}

.status {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.status--connected::before {
  content: "\25CF";
  color: var(--primary);
  margin-right: 6px;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.hero {
  text-align: center;
  padding: 96px 16px;
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: #000;
  font-weight: 600;
  border: none;
  border-radius: 20px;
  padding: 10px 24px;
  text-decoration: none;
  cursor: pointer;
  min-height: 44px;
  transition: background-color 0.15s ease, transform 0.15s ease;
}
.btn:hover { background: var(--primary-hover); transform: scale(1.02); }

.btn--secondary {
  background: var(--surface-hover);
  color: var(--text-primary);
  font-weight: 600;
  min-height: 32px;
  padding: 6px 16px;
}
.btn--secondary:hover { background: #333; transform: none; }

.sync-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--text-secondary);
  font-size: 0.85rem;
}
.sync-bar form { margin: 0; }

.alert {
  background: rgba(231, 76, 60, 0.15);
  color: var(--error);
  font-weight: 600;
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 16px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  background: var(--surface);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}

.pill-input {
  background: var(--surface-hover);
  border: 1px solid transparent;
  border-radius: 20px;
  color: var(--text-primary);
  padding: 10px 16px;
  font-size: inherit;
  font-family: inherit;
  min-height: 44px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.pill-input::placeholder { color: var(--text-tertiary); }
.pill-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(29, 185, 84, 0.3);
  outline: none;
}

.facets {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
}

.facet-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.facet-pill {
  background: var(--surface-hover);
  color: var(--text-secondary);
  border: none;
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-family: inherit;
  cursor: pointer;
  min-height: 32px;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.facet-pill:hover { background: #333; }
.facet-pill--active {
  background: var(--primary);
  color: #000;
  font-weight: 600;
}

.track-count {
  display: inline-block;
  background: var(--surface-hover);
  border-radius: 20px;
  padding: 6px 16px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.playback-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.playback-status {
  color: var(--text-secondary);
  font-size: 0.85rem;
}
.playback-status .btn, .playback-status .icon-btn { margin-left: 4px; }

.icon-btn {
  background: var(--surface-hover);
  color: var(--text-primary);
  border: none;
  border-radius: 20px;
  min-height: 32px;
  min-width: 32px;
  padding: 4px 10px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.icon-btn:hover { background: var(--primary); color: #000; }

.track-actions { white-space: nowrap; }
.track-actions .icon-btn + .icon-btn { margin-left: 6px; }

.track-list-card {
  background: var(--surface);
  border-radius: 12px;
  overflow: hidden;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

th, td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--divider);
  white-space: nowrap;
}

thead th {
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

tbody tr { transition: background-color 0.15s ease; }
tbody tr:hover { background: var(--surface-hover); }
tbody tr:last-child td { border-bottom: none; }

.sort {
  background: none;
  border: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: inherit;
  font-family: inherit;
  cursor: pointer;
  padding: 0;
  transition: color 0.15s ease;
}
.sort:hover { color: var(--primary); }

@media (max-width: 768px) {
  .filter-bar { flex-direction: column; align-items: stretch; }
  .pill-input, .filter-bar .btn { width: 100%; }
}

@media (max-width: 600px) {
  /* Columns: 1 Titel, 2 Artist, 3 Genre, 4 BPM, 5 Jahr, 6 Popularity, 7 Wiedergabe.
     Keep Titel/Artist/BPM/Wiedergabe, hide the rest on narrow screens. */
  th:nth-child(3), td:nth-child(3),
  th:nth-child(5), td:nth-child(5),
  th:nth-child(6), td:nth-child(6) {
    display: none;
  }
}