* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #111927;
  font-family: "Consolas", "Courier New", monospace;
  color: #9fef00;
  padding: 16px;
}

.terminal {
  width: 100%;
  max-width: 520px;
  background: #141d2b;
  border: 1px solid #9fef00;
  border-radius: 6px;
  box-shadow: 0 0 30px rgba(159, 239, 0, 0.15);
}

.header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid #2a3a50;
  background: #1a2332;
}

.dot { width: 11px; height: 11px; border-radius: 50%; }
.red { background: #ff5f56; }
.yellow { background: #ffbd2e; }
.green { background: #27c93f; }
.title { margin-left: 10px; color: #a4b1cd; font-size: 13px; }

.content { padding: 24px; }

.banner { margin: 0 0 24px; color: #9fef00; font-size: 14px; }

form { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

label { width: 100%; font-size: 14px; }

input {
  flex: 1;
  min-width: 0;
  background: #0d131d;
  border: 1px solid #2a3a50;
  color: #9fef00;
  font: inherit;
  padding: 10px;
  outline: none;
}

input:focus { border-color: #9fef00; }

button {
  background: #9fef00;
  color: #111927;
  border: none;
  font: inherit;
  font-weight: bold;
  padding: 10px 18px;
  cursor: pointer;
}

button:hover { background: #b6ff2e; }

#message { min-height: 1.2em; margin: 18px 0 0; font-size: 14px; }
#message.error { color: #ff3e3e; }
#message.success { color: #9fef00; }