* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Body with Dynamic Night Sky Background */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: radial-gradient(ellipse at bottom, #0b1d2a 0%, #000814 50%, #000000 100%);
  color: #ffffff;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  padding: 40px 20px;
}

/* Enhanced Moon with Craters and Floating Animation */
.moon {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, #fffbe6 0%, #f5f5dc 100%);
  border-radius: 50%;
  position: fixed;
  top: 10px;
  right: 20px;
  box-shadow:
    0 0 40px rgba(255, 251, 230, 0.8),
    0 0 80px rgba(255, 251, 230, 0.4),
    0 0 120px rgba(255, 251, 230, 0.2);
  animation: moonFloat 8s infinite ease-in-out;
  z-index: 1;
}

.moon::before {
  content: "";
  position: absolute;
  width: 15px;
  height: 15px;
  background: rgba(200, 200, 200, 0.3);
  border-radius: 50%;
  top: 25px;
  left: 30px;
  box-shadow: 
    25px 10px 0 -2px rgba(200, 200, 200, 0.2),
    10px 35px 0 -5px rgba(200, 200, 200, 0.15);
}

@keyframes moonFloat {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
    box-shadow:
      0 0 40px rgba(255, 251, 230, 0.8),
      0 0 80px rgba(255, 251, 230, 0.4),
      0 0 120px rgba(255, 251, 230, 0.2);
  }
  50% {
    transform: translateY(-15px) rotate(2deg);
    box-shadow:
      0 0 60px rgba(255, 251, 230, 1),
      0 0 120px rgba(255, 251, 230, 0.6),
      0 0 180px rgba(255, 251, 230, 0.3);
  }
}

/* Enhanced Moving Stars with Multiple Layers */
.stars {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.stars::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(2px 2px at 20px 30px, #fff, transparent),
    radial-gradient(2px 2px at 40px 70px, #fff, transparent),
    radial-gradient(1px 1px at 90px 40px, #fff, transparent),
    radial-gradient(1px 1px at 130px 80px, #fff, transparent),
    radial-gradient(2px 2px at 160px 30px, #fff, transparent),
    radial-gradient(1px 1px at 200px 90px, #fff, transparent),
    radial-gradient(2px 2px at 240px 50px, #fff, transparent),
    radial-gradient(1px 1px at 280px 120px, #fff, transparent),
    radial-gradient(2px 2px at 320px 80px, #fff, transparent),
    radial-gradient(1px 1px at 360px 40px, #fff, transparent);
  background-repeat: repeat;
  background-size: 400px 200px;
  animation: moveStars 60s linear infinite;
}

.stars::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(1px 1px at 50px 100px, #87ceeb, transparent),
    radial-gradient(2px 2px at 150px 150px, #ffd700, transparent),
    radial-gradient(1px 1px at 250px 200px, #ff69b4, transparent),
    radial-gradient(2px 2px at 350px 50px, #98fb98, transparent),
    radial-gradient(1px 1px at 450px 180px, #dda0dd, transparent),
    radial-gradient(2px 2px at 550px 120px, #f0e68c, transparent),
    radial-gradient(1px 1px at 650px 80px, #ffb6c1, transparent),
    radial-gradient(2px 2px at 750px 220px, #87ceeb, transparent);
  background-repeat: repeat;
  background-size: 800px 400px;
  animation: moveStars 40s linear infinite reverse, twinkleColors 3s infinite ease-in-out;
}

@keyframes moveStars {
  0% { transform: translateX(0); }
  100% { transform: translateX(-400px); }
}

@keyframes twinkleColors {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

/* Floating rocket using CSS-only */
body::before {
  content: "🚀";
  position: fixed;
  top: 30%;
  left: -60px;
  font-size: 3rem;
  z-index: 2;
  animation: astronautFloat 25s infinite linear;
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.5));
}

@keyframes astronautFloat {
  0% {
    transform: translateX(-60px) translateY(0px) rotate(0deg);
  }
  25% {
    transform: translateX(calc(100vw / 4)) translateY(-20px) rotate(5deg);
  }
  50% {
    transform: translateX(calc(100vw / 2)) translateY(10px) rotate(-3deg);
  }
  75% {
    transform: translateX(calc(100vw * 3 / 4)) translateY(-15px) rotate(2deg);
  }
  100% {
    transform: translateX(calc(100vw + 60px)) translateY(0px) rotate(0deg);
  }
}

/* Glassmorphic Form Container */
.container {
  max-width: 700px;
  margin: auto;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 25px;
  padding: 40px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 
    0 0 30px rgba(255, 255, 255, 0.1),
    inset 0 0 30px rgba(255, 255, 255, 0.02);
  animation: fadeIn 2s ease-out, containerGlow 4s infinite ease-in-out;
  position: relative;
  z-index: 3;
}

@keyframes containerGlow {
  0%, 100% {
    box-shadow: 
      0 0 30px rgba(255, 255, 255, 0.1),
      inset 0 0 30px rgba(255, 255, 255, 0.02);
  }
  50% {
    box-shadow: 
      0 0 50px rgba(135, 206, 235, 0.3),
      inset 0 0 50px rgba(135, 206, 235, 0.05);
  }
}

/* Enhanced Title with Glow */
h1 {
  text-align: center;
  font-size: 3em;
  background: linear-gradient(45deg, #e0f7fa, #87ceeb, #ffd700);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 30px;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
  animation: titleGlow 3s infinite ease-in-out;
}

@keyframes titleGlow {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.3); }
}

/* Enhanced Labels & Inputs */
form label {
  display: block;
  margin-bottom: 20px;
  color: #c0d9ff;
  font-size: 1.1em;
  font-weight: 500;
}

input {
  width: 100%;
  padding: 15px 20px;
  border-radius: 15px;
  border: 2px solid rgba(135, 206, 235, 0.3);
  background: rgba(255, 255, 255, 0.1);
  color: white;
  margin-top: 8px;
  transition: all 0.4s ease;
  font-size: 1rem;
}

input::placeholder {
  color: #b0c4de;
}

input:focus {
  outline: none;
  border-color: #87ceeb;
  background: rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 20px rgba(135, 206, 235, 0.4);
  transform: translateY(-2px);
}

/* Enhanced Button with Cosmic Animation */
button {
  width: 100%;
  padding: 18px;
  margin-top: 30px;
  font-size: 1.3em;
  font-weight: bold;
  border-radius: 20px;
  background: linear-gradient(135deg, #2980b9, #6dd5fa, #ffffff);
  color: #000;
  border: none;
  cursor: pointer;
  box-shadow: 0 0 20px rgba(109, 213, 250, 0.6);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.5s ease;
}

button:hover {
  transform: scale(1.05) translateY(-3px);
  box-shadow: 0 0 40px rgba(109, 213, 250, 0.8);
}

button:hover::before {
  left: 100%;
}

/* Output Container */
.output-container {
  margin-top: 40px;
}

.output-container h3 {
  text-align: center;
  font-size: 1.8em;
  color: #b2ebf2;
  margin-bottom: 25px;
  text-shadow: 0 0 15px rgba(178, 235, 242, 0.5);
}

/* Enhanced Customer Card */
.customer-card {
  background: rgba(255, 255, 255, 0.1);
  border-left: 5px solid #6dd5fa;
  border-radius: 15px;
  padding: 25px;
  margin-bottom: 25px;
  color: #e3f2fd;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.customer-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, transparent, rgba(109, 213, 250, 0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.customer-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(109, 213, 250, 0.3);
  border-left-color: #87ceeb;
}

.customer-card:hover::before {
  transform: translateX(100%);
}

/* Fade-in animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .moon {
    top: 30px;
    right: 20px;
    width: 80px;
    height: 80px;
  }

  h1 {
    font-size: 2.2em;
  }

  .container {
    padding: 25px;
    margin: 20px 10px;
  }

  body::before {
    font-size: 2rem;
  }

  body::after {
    font-size: 1rem;
    word-spacing: 3rem;
    line-height: 6rem;
  }
}

@media (max-width: 480px) {
  .moon {
    width: 60px;
    height: 60px;
  }

  h1 {
    font-size: 1.8em;
  }

  .container {
    padding: 20px;
  }

  input {
    padding: 12px 16px;
  }

  button {
    padding: 15px;
    font-size: 1.1em;
  }
}