:root {
    --panel: #180a30;
    --panel-raised: #5b2a8c;
    --line: #35302a;
    --amber: #ffd21f;
    --amber-dim: #7a5a20;
    --text: #ffffff;
    --text-dim: #eeeeee;
    --danger: #c0503f;
  }

  .deck {
    width: 100%;
    max-width: 420px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 22px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.03);
  }

  .deck-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--line);
  }

  .deck-header h1 {
    font-size: 13px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin: 0;
    font-weight: 600;
  }

  .deck-header .badge {
    font-size: 11px;
    color: var(--amber);
    border: 1px solid var(--amber-dim);
    padding: 2px 8px;
    border-radius: 20px;
    letter-spacing: 1px;
  }

  /* Anzeige */
  .display {
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 16px;
    margin-bottom: 16px;
  }

  .track-title {
    font-size: 15px;
    color: var(--amber);
    letter-spacing: 0.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
  }

  .track-index {
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 2px;
    margin-bottom: 14px;
  }

  /* Fortschritt / Vorspulen */
  .progress-row {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .time {
    font-size: 11px;
    color: var(--text-dim);
    min-width: 38px;
    text-align: center;
  }

  input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    flex: 1;
    height: 4px;
    background: var(--line);
    border-radius: 2px;
    outline: none;
  }

  input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--amber);
    cursor: pointer;
    border: 2px solid #0c0a08;
  }

  input[type="range"]::-moz-range-thumb {
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--amber);
    cursor: pointer;
    border: 2px solid #0c0a08;
  }

  #seek {
    accent-color: var(--amber);
  }

  /* Steuerungsknöpfe */
  .controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin: 18px 0 14px;
  }

  .mp3btn {
    background: var(--panel-raised);
    border: 1px solid var(--line);
    color: var(--text);
    width: 42px;
    height: 42px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: transform 0.05s ease, border-color 0.15s ease;
  }

  .mp3btn:hover {
    border-color: var(--amber-dim);
  }

  .mp3btn:active {
    transform: translateY(1px) scale(0.96);
  }

  .mp3btn.main {
    width: 54px;
    height: 54px;
    font-size: 20px;
    background: var(--amber);
    color: #1a1610;
    border-color: var(--amber);
  }

  .mp3btn.main:hover {
    filter: brightness(1.08);
  }

  .mp3btn.danger:hover {
    border-color: var(--danger);
    color: var(--danger);
  }

  /* Lautstärke */
  .volume-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 14px;
    border-top: 1px dashed var(--line);
  }

  .vol-label {
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 1px;
    min-width: 60px;
  }

  #volume {
    flex: 1;
    accent-color: var(--amber);
  }

  #volumeValue {
    font-size: 11px;
    color: var(--text-dim);
    min-width: 32px;
    text-align: right;
  }

  /* Playlist */
  .playlist {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px dashed var(--line);
  }

  .playlist-label {
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 2px;
    margin-bottom: 8px;
    text-transform: uppercase;
  }

  .playlist-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-dim);
    border: 1px solid transparent;
  }

  .playlist-item:hover {
    background: var(--panel-raised);
  }

  .playlist-item.active {
    color: var(--amber);
    border-color: var(--amber-dim);
    background: rgba(224,163,54,0.06);
  }

  .playlist-item .num {
    font-size: 11px;
    opacity: 0.6;
    width: 16px;
  }

  .hint {
    margin-top: 14px;
    font-size: 10.5px;
    color: var(--text-dim);
    line-height: 1.5;
    opacity: 0.7;
  }

  .hint code {
    color: var(--amber);
  }