@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&display=swap');

:root {
  --background-color: #f0f4f8;
  --text-color: #333;
  --primary-color: #ff6f61;
  --container-background-color: #ffffff;
  --button-background-color: #ff6f61;
  --button-text-color: #ffffff;
  --button-hover-background-color: #e65a50;
}

body {
  background-color: var(--background-color);
  color: var(--text-color);
  font-family: 'Montserrat', sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  padding: 2rem;
  text-align: center;
}

.container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  border-radius: 12px;
  background-color: var(--container-background-color);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  max-width: 600px;
  width: 100%;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

#recommendation-button {
  background-color: var(--button-background-color);
  color: var(--button-text-color);
  border: none;
  padding: 1rem 2rem;
  font-size: 1.2rem;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.3s;
  border-radius: 8px;
  margin-bottom: 2rem;
}

#recommendation-button:hover {
  background-color: var(--button-hover-background-color);
  transform: scale(1.05);
}

#song-recommendation {
  width: 100%;
}

#song-recommendation h2 {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

#song-recommendation h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.youtube-embed {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  max-width: 100%;
  background: #000;
  margin-top: 1rem;
}

.youtube-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }

  h1 {
    font-size: 2rem;
  }

  p {
    font-size: 1rem;
  }

  #recommendation-button {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
  }

  #song-recommendation h2 {
    font-size: 1.5rem;
  }

  #song-recommendation h3 {
    font-size: 1rem;
  }
}