/* === INTRO PANEL === */
.intro-panel {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 360px;
  padding: 25px 25px 35px;
  border-radius: 6px;

  background: linear-gradient(145deg, #2e2e3f, #1a1a24);
  border: 2px solid #5c5cff;
  border-top-color: #a0a0ff;
  border-left-color: #a0a0ff;

  box-shadow:
    0 4px 10px #000a,
    inset 0 1px 0 #ffffff33,
    inset -1px -1px 3px #0008;

  font-family: "Orbitron", sans-serif;
  color: #dfe8ff;
  text-align: center;
  z-index: 1;
}

/* === TITLE === */
.intro-panel h1 {
  font-size: 1.9rem;
  color: #66aaff;
  margin-bottom: 1.2rem;
  text-shadow:
    0 0 2px #0033ff,
    0 0 6px #99ccff,
    0 0 10px #0004ff;
}

/* === PARAGRAPH TEXT === */
.intro-panel p {
  font-size: 1rem;
  color: #dfe8ff;
  text-shadow: 0 0 2px #000, 0 0 5px #2244ff55;
  margin-bottom: 20px;
  line-height: 1.4;
}

/* === PLAYER BOX === */
.player {
  background: linear-gradient(180deg, #3a3a4f, #2a2a3c);
  border: 2px solid #6a6aff;
  border-top-color: #c0c0ff;
  border-left-color: #c0c0ff;
  box-shadow:
    inset 0 1px 0 #ffffff33,
    inset -1px -1px 3px #0008;
  padding: 15px;
  border-radius: 4px;
  margin-bottom: 20px;
}

/* === BUTTONS === */
button, #playBtn {
  background: linear-gradient(180deg, #3a3aff, #2a2a9f);
  border: 2px solid #0018ff;
  border-top-color: #88aaff;
  border-left-color: #88aaff;
  color: #fff;
  font-family: "Orbitron", sans-serif;
  font-weight: 600;
  font-size: 1rem;
  text-shadow: 0 0 4px #000, 0 0 6px #ffee00;
  padding: 10px 28px;
  border-radius: 5px;
  margin: 8px;
  cursor: pointer;
  box-shadow:
    0 3px 5px #0006,
    inset 0 1px 0 #ffffff44,
    inset -1px -1px 3px #0008;
  transition: all 0.15s ease;
}

button:hover, #playBtn:hover {
  background: linear-gradient(180deg, #4a4aff, #3a3ac0);
  transform: translateY(-2px);
  box-shadow:
    0 5px 8px #0008,
    inset 0 1px 0 #ffffff66;
}

button:active, #playBtn:active {
  background: linear-gradient(180deg, #2020a0, #181880);
  transform: translateY(1px);
  box-shadow: inset 0 2px 4px #000a;
}

/* === BUTTON LAYOUT === */
.intro-panel .button-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

/* === LITTLE DETAILS === */
.intro-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(255,255,100,0.05), transparent 70%);
  pointer-events: none;
}

/* === FAINT PULSE === */
@keyframes subtleGlow {
  0%, 100% { box-shadow: 0 0 10px #0018ff66; }
  50% { box-shadow: 0 0 15px #ffee00aa; }
}

#playBtn {
  animation: subtleGlow 2.5s infinite alternate;
}