:root {
  --bg: #121212;
  --accent: #0af;
  --text: #fff;
  --card: #1e1e1e;
  --success: #16c784;
  --error: #ef4444;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  animation: fadeIn 1.5s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1); }
}

.card {
  background: var(--card);
  padding: 2rem 3rem;
  border-radius: 16px;
  max-width: 600px;
  box-shadow: 0 0 40px rgba(0, 170, 255, 0.15);
  animation: slideUp 1.4s ease;
}

@keyframes slideUp {
  from { transform: translateY(40px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

h1 {
  color: var(--accent);
  font-size: 2rem;
  margin-bottom: 1rem;
}

p {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  opacity: 0.9;
}

code {
  background: #0af2;
  padding: 0.3em 0.6em;
  border-radius: 6px;
  color: var(--accent);
  font-size: 0.95rem;
}

input {
  padding: 0.5rem 1rem;
  width: 100%;
  margin-top: 1rem;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
}

button {
  margin-top: 1rem;
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  border: none;
  background: var(--accent);
  color: var(--bg);
  font-weight: bold;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s ease;
}

button:hover {
  background: #08c;
}

.status {
  margin-top: 1rem;
  font-weight: bold;
}