:root {
  --glow-color: #ff7518;
  --glow-color-rgb: 255,117,24;
  --box-bg: #000;
  --glow-alpha-idle: 0.3;
  --glow-alpha-active: 1.0;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

body {
  background: #000;
  color: var(--glow-color);
  font-family: 'Press Start 2P', monospace;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color 0.6s ease, background 0.6s ease;
}

#layout {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

#center-section {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 0;
}

#top-section {
  margin-bottom: 1.5rem;
}
#top-section h1 {
  margin: 0;
  font-size: 1.8rem;
  color: var(--glow-color);
  font-family: 'Press Start 2P', monospace;
  text-shadow: 0 0 8px rgba(var(--glow-color-rgb), 0.4);
  transition: color 0.6s ease, text-shadow 0.6s ease;
}

#track-info {
  width: 720px;
  min-height: 160px;
  padding: 15px;
  border: 4px solid rgba(var(--glow-color-rgb), 0.5);
  border-radius: 6px;
  background-color: var(--box-bg);
  box-shadow: 0 0 15px rgba(var(--glow-color-rgb), var(--glow-alpha-idle));
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  font-family: 'Handjet', cursive;
  cursor: pointer;
  z-index: 1;
  transition: background 0.6s ease, border-color 0.6s ease,
              box-shadow 0.6s ease, opacity 0.6s ease, color 0.6s ease;
}
#track-info.active {
  border-color: var(--glow-color);
  box-shadow: 0 0 25px rgba(var(--glow-color-rgb), var(--glow-alpha-active));
}
#track-info.no-conductor h2,
#track-info.no-conductor p.performer {
  margin: 0.3rem 0;
}
#track-info.no-conductor p.conductor {
  display: none;
}

#center-section::before,
#center-section::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 2px solid rgba(var(--glow-color-rgb), 0.5);
  opacity: 0;
  z-index: -1;
  pointer-events: none;
}
#center-section.active::before {
  animation: ripple 30s ease-out infinite;
}
#center-section.active::after {
  animation: ripple 30s ease-out infinite;
  animation-delay: 15s;
}

@keyframes ripple {
  0% { transform: translate(-50%, -50%) scale(1); opacity: 0.7; }
  20% { opacity: 0; }
  100% { transform: translate(-50%, -50%) scale(20); opacity: 0; }
}

/* Startup message hidden by default */
#startup-msg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 2.5rem;
  font-family: 'Handjet', cursive;
  transition: opacity 0.6s ease, color 0.6s ease;
  opacity: 0;              /* hidden until fade-in */
  visibility: hidden;      /* hidden until fade-in */
}
#startup-msg.dimmed { color: rgba(var(--glow-color-rgb), 0.5); }
#track-info:hover #startup-msg.dimmed { color: var(--glow-color); }

/* Bigger text on desktop */
#track-info h2 {
  margin: 0 0 0.2rem 0;
  font-size: 3.6rem;
  color: var(--glow-color);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s ease, color 0.6s ease;
}
#track-info p.performer,
#track-info p.conductor {
  font-size: 1.4rem;
  color: var(--glow-color);
  opacity: 0;
  visibility: hidden;
  min-height: 1.2em;
  transition: opacity 0.6s ease, color 0.6s ease;
  margin: 0.1rem 0;
}

/* Fade classes */
.fade-in { opacity: 1 !important; visibility: visible !important; }
.fade-out { opacity: 0 !important; visibility: hidden !important; }

/* remove stagger delays */
#track-info p.performer.fade-in,
#track-info p.performer.fade-out,
#track-info p.conductor.fade-in,
#track-info p.conductor.fade-out {
  transition-delay: 0s !important;
}

#mute-msg {
  margin-top: 1rem;
  opacity: 0;
  font-family: 'Press Start 2P', monospace;
  font-size: 0.9rem;
  text-transform: uppercase;
  transition: opacity 0.6s ease, color 0.6s ease;
}
#mute-msg.dimmed { color: rgba(var(--glow-color-rgb), 0.5); }
#mute-msg.visible { opacity: 1; }

#track-info.muted {
  border-color: rgba(var(--glow-color-rgb), 0.5) !important;
  box-shadow: none !important;
}
#track-info.muted h2,
#track-info.muted p {
  color: rgba(var(--glow-color-rgb), 0.5) !important;
  transition: opacity 0.6s ease, color 0.6s ease;
}

/* Mobile */
@media (max-width: 600px) {
  #center-section {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100dvh;
    padding: 0 10px;
    box-sizing: border-box;
    position: relative;
    top: 0;
    left: 0;
    transform: none;
  }

  #track-info {
    width: calc(100% - 65px);
    margin: 0 auto;
    min-height: 220px;
    max-height: 60dvh;
    padding: 20px;
    border-width: 3px;
    box-shadow: 0 0 10px rgba(var(--glow-color-rgb), 0.4);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  #startup-msg {
    font-size: 1.8rem;
    white-space: normal;
    text-align: center;
  }

  #track-info h2 {
    font-size: 2.8rem;
    line-height: 1.1;
    white-space: normal;
    text-align: center;
    text-shadow: none;
    overflow-wrap: anywhere;
    word-break: normal;
    transition: opacity 0.6s ease, color 0.6s ease;
  }

  #track-info p.performer,
  #track-info p.conductor {
    font-size: 1.4rem;
    line-height: 1.25;
    white-space: normal;
    text-align: center;
    text-shadow: none;
    transition: opacity 0.6s ease, color 0.6s ease;
  }

  #mute-msg {
    font-size: 1rem;
  }

  #top-section h1 {
    font-size: 1.2rem;
    text-shadow: none;
  }

  /* darker dim on mobile */
  #track-info.muted h2 {
    color: rgba(var(--glow-color-rgb), 0.3) !important;
  }
  #track-info.muted p.performer,
  #track-info.muted p.conductor {
    color: rgba(var(--glow-color-rgb), 0.5) !important;
  }
}