body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #0f172a;
  color: white;
}

.container {
  position: relative;
  z-index: 2;
  max-width: 500px;
  margin: 5% auto;
  background-color: rgba(15, 23, 42, 0.85);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 0 25px rgba(0, 255, 255, 0.2);
}

h1 {
  text-align: center;
  color: #38bdf8;
}

.subtitle {
  text-align: center;
  margin-bottom: 20px;
  color: #a1a1aa;
}

label {
  display: block;
  margin-top: 15px;
}

input[type="text"], input[type="file"] {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  border-radius: 6px;
  border: none;
  outline: none;
}

input[type="submit"] {
  margin-top: 20px;
  width: 100%;
  padding: 12px;
  background-color: #38bdf8;
  border: none;
  border-radius: 6px;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

input[type="submit"]:hover {
  background-color: #0ea5e9;
}

.bg-image {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 100vw;
  background-image: url('https://images.unsplash.com/photo-1620641788421-b497bf62195d?auto=format&fit=crop&w=1920&q=80');
  background-size: cover;
  background-position: center;
  opacity: 0.25;
  z-index: 1;
}