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

/* Root variables for colors and fonts */
:root {
    --primary-color: #4CAF50;
    --primary-dark: #388E3C;
    --background-light: #f4f7f9;
    --light-gray: #f0f2f5;
    --text-color: #333;
    --text-light: #555;
    --border-color: #e0e0e0;
    --font-poppins: 'Poppins', sans-serif;
}

/* Body styling */
body {
    font-family: var(--font-poppins);
    background-color: var(--light-gray);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

/* Container for the login form */
.login-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

/* Styling for the login card */
.login-card {
    background-color: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.15);
    text-align: center;
}

/* Logo image styling */
.logo img {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}

/* Heading styling */
h2 {
    font-size: 2em;
    font-weight: 600;
    margin-bottom: 25px;
    color: var(--primary-dark);
}

/* Input group styling */
.input-group {
    margin-bottom: 20px;
    text-align: left;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
}

/* Styling for the input fields */
.input-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1em;
    transition: border-color 0.3s;
}

/* Focused input field styling */
.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

/* Password input container styling */
.password-container {
    position: relative;
}

/* Password input field with space for the icon */
.password-container input {
    width: 100%;
    padding-right: 40px; /* Space for the toggle icon */
}

/* Password toggle button styling */
.toggle-password {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    background: none;
    border: none;
    color: var(--text-light);
    transition: color 0.2s ease-in-out;
    z-index: 10;
}

/* Hover effect for password toggle button */
.toggle-password:hover {
    color: var(--primary-dark);
}

/* Forgot password link styling */
.forgot-password {
    text-align: right;
    margin-bottom: 25px;
}

.forgot-password a {
    color: var(--text-light);
    font-size: 0.9em;
    text-decoration: none;
    transition: color 0.3s;
}

/* Hover effect for forgot password link */
.forgot-password a:hover {
    color: var(--primary-color);
}

/* Login button styling */
.login-btn {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    font-size: 1em;
    font-weight: bold;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s, box-shadow 0.3s;
}

/* Hover effect for login button */
.login-btn:hover {
    background-color: var(--primary-dark);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Alert box styling */
.alert {
    padding: 10px;
    margin-bottom: 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid;
}

/* Error alert box styling */
.alert.error {
    background-color: #f8d7da;
    color: #721c24;
    border-color: #f5c6cb;
}