body {
  margin: 0;
  font-family: 'Orbitron', sans-serif;
  background: #f0f0f5;
  color: #000;
  transition: background-color 1.6s ease, color 0.8s ease;
}

body.dark-mode {
  background: #000;
  color: #fff;
}

/* Global Header */
.global-header {
  position: fixed;
  top: 20px;
  right: 20px;
  display: flex;
  gap: 15px;
  align-items: center;
  z-index: 9999;
}

/* Mute Button */
.header-btn {
  background: #222;
  border: none;
  color: #fff;
  font-size: 20px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
}
.header-btn:hover {
  transform: scale(1.1);
  background: #444;
}

/* Dark/Light Toggle */
.toggle-container input { display: none; }
.toggle-slider {
  width: 270px;
  height: 70px;
  border-radius: 100px;
  background: #ffeb80;
  color: #5a4500;
  font-weight: bold;
  font-size: 16px;
  position: relative;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  box-sizing: border-box;
  transition: background 0.6s ease, color 0.6s ease;
}
.label-text {
  flex: 1;
  text-align: center;
  white-space: nowrap;
  transition: opacity 0.5s ease;
}
.knob {
  position: absolute;
  top: 8px;
  left: 8px;
  width: 54px;
  height: 54px;
  background: #facc15;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  transition: transform 0.6s ease, background 0.6s ease;
}
body.dark-mode .toggle-slider {
  background: #1e3a8a;
  color: #fff;
}
body.dark-mode .knob {
  transform: translateX(195px);
  background: #0f172a;
}

/* Page2 Modebox */
.modebox {
  background: linear-gradient(90deg, var(--neon1, #00ffff), var(--neon2, #ff00ff));
  color: #000;
  box-shadow: 0 0 12px var(--neon1, #00ffff), 0 0 25px var(--neon2, #ff00ff);
  transition: all 0.4s ease;
}
body.dark-mode .modebox {
  background: linear-gradient(90deg, var(--neon2, #ff00ff), var(--neon1, #00ffff));
  color: #fff;
  box-shadow: 0 0 18px var(--neon2, #ff00ff), 0 0 35px var(--neon1, #00ffff);
}

/* Animations */
.page1-animate.fade-out {
  opacity: 0;
  transform: scale(0.97);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.page2-animate {
  opacity: 0;
  transform: translateY(40px);
}
.page2-animate.show {
  animation: slideUpFade 0.8s ease forwards;
}
@keyframes slideUpFade {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Pulse Glow */
@keyframes pulseGlow {
  0% { box-shadow: 0 0 10px var(--neon1, #00ffff), 0 0 20px var(--neon2, #ff00ff); }
  50% { box-shadow: 0 0 25px var(--neon1, #00ffff), 0 0 50px var(--neon2, #ff00ff); }
  100% { box-shadow: 0 0 10px var(--neon1, #00ffff), 0 0 20px var(--neon2, #ff00ff); }
}
.neon-button,
.modebox {
  animation: pulseGlow 3s infinite ease-in-out;
}

/* ==== PRELOAD FIX CROSS-BROWSER ==== */
body.preload {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}