* {
  box-sizing: border-box;
}

body {
  background: #0b0b0b;
  color: #fff;
  font-family: system-ui, sans-serif;
  display: grid;
  place-items: center;
  height: 100vh;
  margin: 0;
}

.card {
  background: #141414;
  padding: 32px;
  width: 320px;
  border-radius: 10px;
}

h1 {
  margin-bottom: 20px;
  font-weight: 600;
}

input {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  background: #1e1e1e;
  border: none;
  border-radius: 6px;
  color: white;
}

input:focus {
  outline: 2px solid #3b82f6;
}

button {
  width: 100%;
  margin-top: 16px;
  padding: 12px;
  background: #3b82f6;
  border: none;
  border-radius: 6px;
  color: white;
  font-weight: 500;
  cursor: pointer;
}

button:hover {
  background: #2563eb;
}

#msg {
  margin-top: 12px;
  font-size: 14px;
  min-height: 18px;
}