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

:root {
  --bg1: #0a0a14;
  --bg2: #14142a;
  --panel: rgba(10, 14, 28, 0.78);
  --panel-2: rgba(18, 24, 44, 0.92);
  --line: rgba(0, 255, 255, 0.16);
  --text: #f4f7ff;
  --muted: #aab3cc;
  --accent: #00e5ff;
  --accent-2: #ff4fd8;
  --warn: #ffd93d;
  --good: #4ecdc4;
  --danger: #ff6b6b;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

html, body {
  min-height: 100%;
}

body {
  font-family: 'Roboto', Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(255, 79, 216, 0.16), transparent 30%),
    radial-gradient(circle at bottom right, rgba(0, 229, 255, 0.12), transparent 26%),
    linear-gradient(135deg, var(--bg1), #11081f 40%, #17153a 70%, #0a0a14);
  background-size: cover;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 26px 26px, 44px 44px;
  background-position: 0 0, 12px 18px;
  opacity: 0.35;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  top: 50%;
  left: 50%;
  width: 520px;
  height: 520px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(0, 229, 255, 0.08) 0%, rgba(0, 229, 255, 0.03) 26%, transparent 70%);
  filter: blur(2px);
  pointer-events: none;
  z-index: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, audio {
  font: inherit;
}

.main-header,
.player-container {
  position: relative;
  z-index: 1;
}

.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 20px;
  background: rgba(10, 14, 28, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.main-header .top-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}

.main-header a:first-child {
  flex-shrink: 0;
}

.main-header a:last-child {
  margin: 0 auto;
}

.header-title {
  font-family: 'Orbitron', monospace;
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  background: linear-gradient(45deg, #ff00ff, #00ffff, #ffff00, #ff00ff);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: rainbow 3s ease infinite;
  text-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
}

@keyframes rainbow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.paypal {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 12px 24px;
  margin: 10px auto 20px;
  background: var(--panel);
  backdrop-filter: blur(18px);
  border-radius: 60px;
  border: 1px solid var(--line);
  width: fit-content;
  max-width: 90%;
}

.paypal a {
  flex-shrink: 0;
}

.paypal a img {
  height: 50px;
  width: auto;
  border-radius: 12px;
}

.paypal span {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.4;
  white-space: nowrap;
}

.player-container {
  width: min(980px, calc(100% - 24px));
  margin: 10px auto 36px;
  padding: 22px;
}

.player,
.playlist,
.current-track,
.controls,
.mode-indicator,
.progress {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(18px);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.player {
  padding: 22px;
}

.current-track {
  padding: 18px 18px 14px;
  text-align: center;
  margin-bottom: 14px;
}

.track-artist,
.track-title,
.track-composer,
.track-album {
  padding: 4px 0;
  line-height: 1.35;
}

.track-artist {
  color: var(--accent);
  font-weight: 700;
  font-size: 1.05rem;
}

.track-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 4px;
}

.track-composer,
.track-album {
  color: var(--muted);
  font-size: 0.96rem;
}

audio {
  width: 100%;
  margin-top: 10px;
  border-radius: 16px;
}

.controls {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  padding: 14px;
  margin: 14px 0;
}

.controls button,
.back-button {
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.08);
  color: var(--text);
  border-radius: 16px;
  padding: 14px 12px;
  cursor: pointer;
  min-height: 52px;
  font-weight: 700;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.controls button:hover,
.back-button:hover,
.folder-item:hover,
.track-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(0, 229, 255, 0.14);
}

#playpause {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.22), rgba(255, 79, 216, 0.18));
  border-color: rgba(0, 229, 255, 0.35);
}

.mode-indicator {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 14px;
  margin-bottom: 14px;
  color: var(--muted);
}

.mode-status {
  color: var(--accent);
  font-weight: 700;
}

.progress {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  margin-bottom: 14px;
}

#progress {
  width: 100%;
  accent-color: var(--accent);
}

.playlist {
  padding: 18px;
}

#playlist-title {
  font-family: 'Orbitron', 'Roboto', sans-serif;
  font-size: 1.25rem;
  margin-bottom: 14px;
  color: var(--accent);
}

.back-button {
  margin-bottom: 14px;
  background: linear-gradient(135deg, rgba(255, 79, 216, 0.18), rgba(0, 229, 255, 0.16));
  border-color: rgba(255, 79, 216, 0.28);
}

.folder-item,
.track-item {
  list-style: none;
  padding: 14px 16px;
  margin: 10px 0;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.08);
  background: var(--panel-2);
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.folder-item {
  font-weight: 700;
  color: #fff;
}

.track-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.track-info {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--text);
}

.play-count {
  white-space: nowrap;
  color: var(--warn);
  font-weight: 700;
}

.track-item.active {
  border-color: rgba(0, 229, 255, 0.5);
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.12), rgba(255, 79, 216, 0.08));
  box-shadow: 0 0 0 1px rgba(0, 229, 255, 0.16), 0 18px 34px rgba(0, 0, 0, 0.35);
}

#playlist-content {
  min-height: 120px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .main-header {
    justify-content: center;
    flex-direction: column;
  }
  
  .main-header a:last-child {
    margin: 0;
  }
  
  .paypal {
    flex-direction: column;
    text-align: center;
    border-radius: 22px;
    gap: 10px;
  }
  
  .paypal span {
    white-space: normal;
    font-size: 0.85rem;
  }
  
  .paypal a img {
    height: 40px;
  }
  
  .controls {
    gap: 6px;
    padding: 10px;
  }
  
  .controls button {
    padding: 8px 4px;
    font-size: 0.7rem;
    min-height: 40px;
  }
}


  
  .controls {
    grid-template-columns: repeat(5, 1fr);
    gap: 4px;
  }
  
  .controls button {
    padding: 5px 2px;
    font-size: 0.6rem;
    min-height: 35px;
  }
  
  .track-title {
    font-size: 1rem;
  }
  
  .track-artist,
  .track-composer,
  .track-album {
    font-size: 0.85rem;
  }
  
  .player {
    padding: 15px;
  }
  
  .playlist {
    padding: 12px;
  }
}