* {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: 'Segoe UI', sans-serif;
      background-color: #f0f4f8;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
    }

    .login-container {
      background: #ffffff;
      padding: 40px;
      border-radius: 16px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
      text-align: center;
      width: 300px;
    }

    .login-container h2 {
      margin-bottom: 24px;
      font-size: 24px;
      color: #333;
    }

    .btn {
      display: inline-block;
      background-color: #3498db;
      color: white;
      padding: 14px 28px;
      border: none;
      border-radius: 10px;
      font-size: 16px;
      font-weight: bold;
      text-decoration: none;
      transition: background 0.3s;
    }

    .btn:hover {
      background-color: #2980b9;
    }

.login-box {
  background: #fff;
  padding: 40px 30px;
  border-radius: 15px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  width: 320px;
  text-align: center;
}

.login-icon i {
  font-size: 80px;
  color: #3498db;
  margin-bottom: 20px;
}

.login-box h2 {
  font-weight: 700;
  margin-bottom: 25px;
  color: #2c3e50;
}

.input-group {
  display: flex;
  align-items: center;
  border: 1px solid #ccc;
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 15px;
  background-color: #f9f9f9;
}

.input-group i {
  margin-right: 10px;
  font-size: 18px;
  color: #3498db;
}

.input-group input {
  border: none;
  outline: none;
  background: none;
  flex: 1;
  font-size: 16px;
}

.login-btn {
  width: 100%;
  padding: 12px;
  background-color: #3498db;
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s ease;
}

.login-btn:hover {
  background-color: #2980b9;
}