@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

body {
  margin: 0;
  padding: 0;
  font-family: 'Press Start 2P', cursive;
  background: radial-gradient(circle at top left, #40d9ff, #1DB954);
  color: #fff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  position: relative;
  transition: background 0.8s ease-in-out;
}

body.theme-red-yellow {
  background: radial-gradient(circle at top left, #b22222, #e6a400);
}

body.theme-pink-purple {
  background: radial-gradient(circle at top left, #ff69b4, #8a2be2);
}

h1 {
  font-size: 2rem;
  color: #ffffff;
  text-shadow: 3px 3px 0 #0077b6, -3px -3px 0 #004d40;
  margin-bottom: 40px;
  animation: glow 2s ease-in-out infinite alternate;
  text-align: center;
  z-index: 1;
}

@keyframes glow {
  from { text-shadow: 0 0 5px #40d9ff, 0 0 10px #1DB954; }
  to   { text-shadow: 0 0 15px #40d9ff, 0 0 25px #1DB954; }
}

button {
  font-family: 'Press Start 2P', cursive;
  font-size: 12px;
  padding: 15px 30px;
  margin: 10px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(to bottom, #ffffff 50%, #40d9ff 50%);
  border: 4px solid #000;
  color: #000;
  text-transform: uppercase;
  box-shadow: 0 6px #004d61;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, filter 0.3s;
  z-index: 1;
}

button:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 10px #00343f;
  filter: brightness(1.1);
}

button:active {
  transform: translateY(3px);
  box-shadow: 0 3px #00252b;
}

#input-container {
  display: flex;
  gap: 10px;
  margin: 20px 0;
  flex-wrap: wrap;
  justify-content: center;
}

#playlist-id {
  font-family: 'Press Start 2P', cursive;
  font-size: 12px;
  padding: 12px 15px;
  border-radius: 12px;
  border: 4px solid #000;
  outline: none;
  background: linear-gradient(to bottom, #ffffff 50%, #40d9ff 50%);
  color: #000;
  box-shadow: 0 6px #004d61;
  text-transform: uppercase;
  transition: transform 0.2s, box-shadow 0.2s, filter 0.3s;
}

#playlist-id::placeholder {
  color: #555;
  text-transform: none;
}

#playlist-id:focus {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 10px #00343f;
  filter: brightness(1.1);
}

#fetch-btn {
  font-family: 'Press Start 2P', cursive;
  font-size: 12px;
  padding: 15px 30px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(to bottom, #ffffff 50%, #40d9ff 50%);
  border: 4px solid #000;
  color: #000;
  text-transform: uppercase;
  box-shadow: 0 6px #004d61;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, filter 0.3s;
}

#fetch-btn:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 10px #00343f;
  filter: brightness(1.1);
}

#fetch-btn:active {
  transform: translateY(3px);
  box-shadow: 0 3px #00252b;
}

#playlist-container {
  width: 80%;
  max-width: 700px;
  margin-top: 20px;
  padding: 20px;
  background: linear-gradient(to bottom right, rgba(0,0,0,0.8), rgba(30,30,30,0.7));
  border: 6px solid #000;
  border-radius: 16px;
  box-shadow: 0 0 20px rgba(0,0,0,0.4), inset 0 0 15px #1DB954;
  text-align: left;
  overflow-y: auto;
  max-height: 350px;
  position: relative;
  z-index: 1;
  color: #fff;
}

.track {
  padding: 10px;
  margin-bottom: 10px;
  border-bottom: 2px solid #1DB954;
  text-shadow: 1px 1px 0 #000;
  animation: track-glow 2s ease-in-out infinite alternate;
  transition: transform 0.2s, filter 0.2s;
}

.track:hover {
  transform: scale(1.02);
  filter: brightness(1.3);
}

@keyframes track-glow {
  from { text-shadow: 0 0 3px #40d9ff, 0 0 6px #1DB954; }
  to   { text-shadow: 0 0 10px #40d9ff, 0 0 15px #1DB954; }
}

#download-btn {
  margin-top: 15px;
}

#theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  font-size: 20px;
  padding: 12px 14px;
  background: #000;
  color: #fff;
  border: 3px solid #fff;
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.3s, background 0.3s;
  z-index: 100;
}

#theme-toggle:hover {
  transform: rotate(20deg) scale(1.1);
  background: #12e112;
  color: #000;
}
@media (max-width: 768px) {
  h1 { font-size: 1.4rem; margin-bottom: 25px; }
  button { font-size: 10px; padding: 12px 20px; }
  #playlist-container { width: 90%; padding: 15px; max-height: 300px; }
}

@media (max-width: 480px) {
  h1 { font-size: 1rem; line-height: 1.4; }
  button {
    display: block;
    width: 80%;
    max-width: 250px;
    margin: 10px auto;
    font-size: 9px;
    padding: 10px 15px;
  }
  #playlist-container { width: 95%; padding: 10px; font-size: 10px; max-height: 250px; }
  #playlist-id, #fetch-btn { width: 80%; max-width: 250px; margin: 5px auto; display: block; }
}