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

:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-input: #334155;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3ba;
  --border-color: #475569;
  --accent-primary: #3b82f6;
  --accent-hover: #2563eb;
}

body{
  background: var(--bg-primary) url("image/world-background.jpg") no-repeat center center fixed;
  background-size: cover;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
  font-family: "Poppins", sans-serif;
}

.container {
  width: 100%;
  max-width: 400px;
  background-color: var(--bg-secondary);
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3)
  }

  h1 {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.form-group {
  margin-bottom: 15px;
  }

  label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-secondary)
  }

  input,
  select {
    width: 100%;
    padding: 10px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    color: var(--text-primary)
  }

  input:focus,
  select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
  }

  button {
    width: 100%;
    padding: 12px;
    background-color: var(--accent-primary);
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
  }

  button:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
  }

  #result {
    margin-top: 20px;
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-primary);
  }