body, html {
  margin: 0;
  padding: 0;
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(to bottom right, rgba(0, 0, 0, 0.7), rgba(20, 20, 20, 0.85)),
              url("https://images.unsplash.com/photo-1588776814546-b426b67f43c0") no-repeat center center fixed;
  background-size: cover;
  color: #fff;
}

nav {
  background: rgba(0, 0, 0, 0.6);
  text-align: center;
  padding: 1rem;
  border-bottom: 1px solid #fff;
}

nav h1 {
  font-size: 2rem;
  color: #00f5d4;
}

.container {
  max-width: 850px;
  margin: 2rem auto;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 2rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

h2 {
  color: #00f5d4;
}

input[type="file"], input[type="email"], input[type="text"], textarea {
  width: 100%;
  padding: 0.75rem;
  margin: 0.5rem 0;
  border-radius: 8px;
  border: none;
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff;
}

input:focus, textarea:focus {
  outline: none;
  border: 1px solid #00f5d4;
  box-shadow: 0 0 5px #00f5d4;
}

button {
  background-color: #00f5d4;
  border: none;
  color: #000;
  font-weight: bold;
  padding: 0.7rem 2rem;
  border-radius: 25px;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  background-color: #0ccfa3;
  transform: scale(1.05);
}

.tables {
  margin-top: 2rem;
}

.footer-basic {
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
  color: #ccc;
  background: rgba(0, 0, 0, 0.4);
}