/* =========================
   HEADER
========================= */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 90px;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 4px solid var(--border);
  box-shadow: 0 0 40px var(--glow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 30px;
  z-index: 1000;
}

.logo .digital {
  font-family: 'Orbitron', sans-serif;
  font-size: 42px;
  color: #00ffff;
  text-shadow: 0 0 30px #00ffff;
}
.logo .beats {
  font-family: 'Orbitron', sans-serif;
  font-size: 42px;
  color: var(--glow);
  text-shadow: 0 0 40px var(--glow);
  margin-left: 8px;
}

.theme-picker {
  background: #000;
  border: 2px solid var(--border);
}

/* =========================
   LAYOUT
========================= */
.layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1.3fr;
  height: calc(100vh - 90px);
  margin-top: 90px;
}

/* =========================
   PANELS
========================= */
.panel {
  background: var(--card);
  border-right: 2px solid var(--border);
  padding: 20px;
  overflow-y: auto;
}
.panel:last-child {
  border-right: none;
}

/* =========================
   ALBUMS
========================= */
.album-list {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.album {
  border: 1px solid var(--border);
  padding: 14px;
  border-radius: 14px;
  cursor: pointer;
  box-shadow: 0 0 20px var(--glow);
  transition: 0.3s;
}
.album:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 40px var(--glow);
}

/* =========================
   PLAYER
========================= */
.player audio {
  width: 100%;
  margin-top: 20px;
  filter: drop-shadow(0 0 15px var(--glow));
}

.now-playing {
  margin: 20px 0;
  font-size: 20px;
  text-shadow: 0 0 20px var(--glow);
}

#visualizer {
  width: 100%;
  height: 120px;
  margin-top: 20px;
}

/* =========================
   PLAYLISTS
========================= */
.playlist-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.playlist-names,
.queue {
  margin-top: 15px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.playlist-name,
.queue-item {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 0 20px var(--glow);
  transition: 0.3s;
}

.queue-item.active {
  background: rgba(0,255,255,0.15);
  font-weight: bold;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 1000px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .panel {
    border-right: none;
    border-bottom: 2px solid var(--border);
  }
}
#visualizer {
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 0 25px var(--glow);
}