:root {
  --primary: #4a90e2;
  --light-bg: #f5f7fa;
  --white: #fff;
  --gray: #ccc;
  --text: #333;
}

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

body {
  font-family: 'Segoe UI', sans-serif;
  background-color: var(--light-bg);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.login-container {
  background-color: var(--white);
  padding: 2.5rem;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  width: 100%;
  max-width: 400px;
}

.login-container h2 {
  margin-bottom: 1.5rem;
  color: var(--text);
  text-align: center;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: #555;
}

.form-group input {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid var(--gray);
  border-radius: 5px;
  font-size: 1rem;
  outline: none;
  transition: 0.3s;
}

.form-group input:focus {
  border-color: var(--primary);
}

.show-password {
  display: flex;
  align-items: center;
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: #666;
}

.show-password input {
  margin-right: 0.5rem;
}

.login-btn {
  background-color: var(--primary);
  color: white;
  padding: 0.9rem;
  width: 100%;
  border: none;
  border-radius: 5px;
  font-size: 1rem;
  cursor: pointer;
  transition: 0.3s;
}

.login-btn:hover {
  background-color: #357ac9;
}

.footer {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.9rem;
  color: #666;
}

@media (max-width: 500px) {
  .login-container {
    padding: 2rem 1.5rem;
  }
}