body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  color: #fff;
  text-align: center;
  background: linear-gradient(180deg, #4facfe, #1e3c72);
  position: relative;
  overflow-x: hidden;
}

/* звезды */
body::before {
  content: "";
  position: fixed;
  width: 100%;
  height: 100%;
  background: radial-gradient(white 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.3;
  pointer-events: none;
}

/* луна */
body::after {
  content: "";
  position: fixed;
  top: 60px;
  right: 60px;
  width: 80px;
  height: 80px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 0 40px rgba(255,255,255,0.8);
}

/* верх */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

.logo {
  font-size: 24px;
  font-weight: bold;
}

#langSelect {
  padding: 6px;
  border-radius: 6px;
  border: none;
}

/* приветствие */
.welcome {
  padding: 30px 20px;
  max-width: 700px;
  margin: auto;
  line-height: 1.6;
}

/* плеер */
.controls button {
  font-size: 20px;
  margin: 10px;
  padding: 12px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: rgba(255,255,255,0.2);
  color: white;
}

.controls button:hover {
  background: rgba(255,255,255,0.4);
}

.progress-container {
  width: 80%;
  height: 6px;
  background: rgba(255,255,255,0.3);
  margin: 20px auto;
  cursor: pointer;
  border-radius: 5px;
}

.progress {
  height: 100%;
  width: 0%;
  background: #fff;
  border-radius: 5px;
}

/* название трека */
.current-track {
  font-size: 24px;
  font-weight: bold;
  margin-top: 10px;
}

/* список */
ul {
  list-style: none;
  padding: 0;
}

li {
  padding: 10px;
  cursor: pointer;
}

li:hover {
  background: rgba(255,255,255,0.2);
}

/* футер */
.footer {
  margin-top: 40px;
  font-size: 12px;
  opacity: 0.8;
  padding-bottom: 20px;
}

/* адаптив */
@media (max-width: 600px) {
  .logo {
    font-size: 18px;
  }

  .current-track {
    font-size: 20px;
  }
}