* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: radial-gradient(circle at 50% 20%, #2b1d0e 0%, #0d0a06 70%);
  color: #e8d9b5;
}

.card {
  width: 360px;
  padding: 32px;
  background: rgba(20, 15, 8, 0.9);
  border: 2px solid #8a6d3b;
  border-radius: 10px;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.6);
}

.card h1 {
  margin: 0 0 4px;
  text-align: center;
  font-size: 26px;
  color: #d4af37;
  text-shadow: 0 0 8px rgba(212, 175, 55, 0.5);
}

.card .subtitle {
  text-align: center;
  margin-bottom: 24px;
  font-size: 13px;
  color: #a08a5f;
}

label {
  display: block;
  margin: 14px 0 6px;
  font-size: 13px;
  color: #cbb98a;
}

input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #5c4a28;
  border-radius: 6px;
  background: #1a140a;
  color: #e8d9b5;
  font-size: 14px;
}

input:focus {
  outline: none;
  border-color: #d4af37;
}

button {
  width: 100%;
  margin-top: 22px;
  padding: 12px;
  border: none;
  border-radius: 6px;
  background: linear-gradient(180deg, #d4af37, #a3781f);
  color: #1a140a;
  font-weight: bold;
  font-size: 15px;
  cursor: pointer;
}

button:hover {
  background: linear-gradient(180deg, #e6c34f, #b8872a);
}

.switch {
  margin-top: 18px;
  text-align: center;
  font-size: 13px;
  color: #a08a5f;
}

.switch a {
  color: #d4af37;
  text-decoration: none;
}

.error {
  margin-top: 14px;
  padding: 10px;
  border-radius: 6px;
  background: rgba(150, 30, 30, 0.25);
  border: 1px solid #7a2a2a;
  color: #f0b0b0;
  font-size: 13px;
  display: none;
}

.success {
  margin-top: 14px;
  padding: 10px;
  border-radius: 6px;
  background: rgba(40, 120, 40, 0.25);
  border: 1px solid #2a7a2a;
  color: #b0f0b0;
  font-size: 13px;
  display: none;
}