body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #000000;
}

.auth-box {
  max-width: 420px;
  background: #fff;
  margin: 50px auto;
  padding: 28px 28px 30px;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.06);
}

.auth-box h1 {
  margin-bottom: 6px;
  font-size: 1.8rem;
}

hr {
  border: 0;
  border-top: 1px solid #000000;
  margin: 10px 0 20px;
}

label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 16px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

input:focus {
  outline: none;
  border-color: #83401d;
}

.btn-main {
  width: 100%;
  border: none;
  background: #83401d;
  color: #fff;
  padding: 11px;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
}
.btn-main:hover {
  background: #6d3313;
}

.alt {
  text-align: center;
  margin-top: 16px;
}
.alt a {
  color: #83401d;
}