:root {
  --gold: #F4C542;
  --wave-blue: #4DADDF;
  --royal-blue: #0329FD;
  --black: #000000;
  --white: #FFFFFF;
}

/* Typography */
body {
  font-family: 'Libre Baskerville', serif;
  color: var(--black);
  background: linear-gradient(to bottom, var(--gold) 0%, var(--wave-blue) 100%);
}

/* Header */
.app-header {
  background: linear-gradient(135deg, var(--gold) 0%, var(--wave-blue) 100%);
  color: var(--black);
  text-align: center;
  padding: 24px 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.app-header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
}

.tagline {
  font-style: italic;
  color: var(--royal-blue);
  margin-top: 6px;
}
/* Curved wave section under header */
.wave-section {
  background: var(--white);
  padding: 40px 20px;
  margin-top: -40px;
  border-top-left-radius: 50% 20%;
  border-top-right-radius: 50% 20%;
  box-shadow: 0 -4px 10px rgba(0,0,0,0.1);
}

/* Buttons */
.primary-button {
  background: var(--royal-blue);
  color: var(--white);
  border: none;
  border-radius: 10px;
  padding: 14px 28px;
  font-size: 18px;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  transition: background 0.2s ease, transform 0.1s ease;
}

.primary-button:hover {
  background: var(--wave-blue);
  transform: translateY(-1px);
}

/* Footer */
.app-footer {
  background: var(--wave-blue);
  color: var(--black);
  padding: 16px 10px;
  font-size: 14px;
  text-align: center;
}

.footer-links a {
  color: var(--royal-blue);
  text-decoration: none;
  font-weight: 600;
}

.footer-links a:hover {
  text-decoration: underline;
}
/* Responsive adjustments for mobile */
@media (max-width: 768px) {
  .app-header {
    padding: 16px 10px;
  }

  .logo {
    width: 110px;
    height: auto;
    margin-bottom: 8px;
  }

  .app-header h1 {
    font-size: 1.4rem;
  }

  .tagline {
    font-size: 0.9rem;
  }

  .primary-button {
    font-size: 16px;
    padding: 12px 22px;
  }
}

@media (max-width: 480px) {
  .logo {
    width: 100px;
  }

@media (max-width: 768px) {
  .now-playing-box {
    padding: 16px;
  }

  .now-playing-box h2 {
    font-size: 1.2rem;
  }

  #track-title {
    font-size: 1rem;
  }
}

  .app-header h1 {
    font-size: 1.2rem;
  }

  .tagline {
    font-size: 0.8rem;
  }
}