:root {
  --primary-color: blue;
  --secondary-color: #f0f0f0;
  --text-color: #302f2f;
  --border-color: #ddd;
  --income-color: green;
  --expense-color: red;
  --black-color: black;
  --pending-color: orange;
}

* {
  font-family: Arial, Helvetica, sans-serif;
}

body {
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: rgb(191, 230, 235);
}

.logo-icon i {
  display: block;
  font-size: 75px;
  color: rgb(0, 70, 150);
}

.login-container {
  background-color: white;
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  width: 350px;
  height: auto;
  text-align: center;
}

h1 {
  font-size: 24px;
  margin-bottom: 5px;
  color: black;
}

p {
  font-size: 18px;
  color: var(--text-color);
  margin-bottom: 30px;
}

.input-group {
  margin-bottom: 20px;
  text-align: left;
}

.input-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
  color: black;
  font-size: 20px;
}

.input-group input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 8px;
  box-sizing: border-box;
  font-size: 18px;
  transition: border-color 0.3s;
  color: var(--text-color);
}

.input-group input:focus {
  border-color: #2196f3;
  outline: none;
}

.login-button {
  width: 100%;
  padding: 15px;
  background-color: black;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1.3rem;
  cursor: pointer;
  margin-bottom: 25px;
  transition: background-color 0.3s;
}

.login-button:hover {
  background-color: var(--primary-color);
  font-weight: bold;
}

#error-message {
  color: red;
  margin-bottom: 15px;
  font-size: 16px;
  height: 20px;
  text-align: left;
}