* {
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

body {
  margin: 0;
  height: 100vh;
  background: linear-gradient(135deg, #1f2933, #111827);
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

.login-box {
  background: #ffffff;
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.login-box h1 {
  margin: 0 0 10px;
  text-align: center;
  color: #111827;
}

.subtitle {
  text-align: center;
  color: #6b7280;
  margin-bottom: 25px;
}

label {
  display: block;
  margin-bottom: 6px;
  color: #374151;
  font-size: 14px;
}

input {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 16px;
  border: 1px solid #d1d5db;
  border-radius: 4px;
  font-size: 14px;
}

input:focus {
  outline: none;
  border-color: #2563eb;
}

button {
  width: 100%;
  padding: 10px;
  background: #2563eb;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 15px;
  cursor: pointer;
}

button:hover {
  background: #1d4ed8;
}

.error {
  margin-top: 15px;
  text-align: center;
  color: #b91c1c;
  font-size: 13px;
}

.footer {
  margin-top: 25px;
  text-align: center;
  font-size: 12px;
  color: #9ca3af;
}