*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  font-size: 14px;
  background: #f2f2f2;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
  padding: 36px 40px;
  width: 340px;
}

.login-card h1 {
  font-size: 18px;
  font-weight: 600;
  text-align: center;
  color: #1a1a1a;
  margin-bottom: 28px;
}

.login-error {
  background: #fff5f5;
  border: 1px solid #fca5a5;
  color: #b91c1c;
  border-radius: 4px;
  padding: 8px 12px;
  font-size: 13px;
  margin-bottom: 20px;
}

.login-field {
  margin-bottom: 18px;
}

.login-field label {
  display: block;
  font-size: 13px;
  color: #555;
  margin-bottom: 5px;
}

.login-field input {
  display: block;
  width: 100%;
  padding: 8px 10px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.login-field input:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.login-submit {
  display: block;
  width: 100%;
  padding: 9px;
  margin-top: 8px;
  background: #3b82f6;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s;
}

.login-submit:hover {
  background: #2563eb;
}