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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
  color: #e0e0ff;
  min-height: 100vh;
  padding: 20px;
}

.container {
  max-width: 480px;
  margin: 30px auto;
  background: rgba(30, 30, 60, 0.92);
  backdrop-filter: blur(8px);
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  border: 1px solid rgba(100, 100, 255, 0.15);
}

h1 {
  text-align: center;
  font-size: 1.9rem;
  margin-bottom: 24px;
  color: #c4b5fd;
  letter-spacing: -0.5px;
}

.warning {
  background: rgba(220, 38, 38, 0.18);
  border: 1px solid rgba(220, 38, 38, 0.4);
  color: #fecaca;
  padding: 14px 16px;
  border-radius: 10px;
  margin-bottom: 24px;
  font-size: 0.95rem;
  line-height: 1.45;
}

form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

label {
  font-weight: 500;
  color: #c7d2fe;
  margin-bottom: 6px;
  display: block;
}

input {
  padding: 14px 16px;
  border: 1px solid #4b5563;
  border-radius: 10px;
  background: rgba(40, 40, 70, 0.7);
  color: white;
  font-size: 1rem;
}

input:focus {
  outline: none;
  border-color: #8b5cf6;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
}

button {
  padding: 14px;
  background: linear-gradient(90deg, #7c3aed, #a78bfa);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
  transition: all 0.2s;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
}

.result {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid #334155;
  border-radius: 10px;
  padding: 16px;
  margin: 20px 0;
  white-space: pre-wrap;
  font-family: 'Courier New', monospace;
  color: #cbd5e1;
  font-size: 0.95rem;
  line-height: 1.5;
}

.nav {
  text-align: center;
  margin: 30px 0 10px;
}

.nav a {
  color: #a5b4fc;
  text-decoration: none;
  margin: 0 14px;
  font-weight: 500;
}

.nav a:hover {
  color: #c4b5fd;
  text-decoration: underline;
}

footer {
  text-align: center;
  margin-top: 40px;
  color: #64748b;
  font-size: 0.9rem;
}