:root {
    --primary-color: #18291bcc;
    --primary-light: #18291bcc;
    --primary-dark: #86af8d8f;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --error-color: #d32f2f;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: #f9f9f9;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh; 
    color: var(--text-color);
}

.container {
    width: 100%;
    max-width: 400px;
    padding: 32px;
    background-color: white;
    border-radius: 18px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 24px;
    font-weight: 300;
}

.form-group {
    margin-bottom: 19.2px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-size: 14.4px;
    color: var(--text-color);
}

input {
    width: 100%;
    padding: 12.8px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: border 0.3s;
    box-sizing: border-box;
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.error {
    color: var(--error-color);
    font-size: 12.8px;
    margin-top: 4.8px;
    display: none;
}

button {
    width: 100%;
    padding: 16px; 
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px; 
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 8px;
}

button:hover {
    background-color: var(--primary-dark);
}

.login-link {
    text-align: center;
    margin-top: 24px; 
    font-size: 14.4px;
}

.login-link a {
    color: var(--primary-color);
    text-decoration: none;
}

.login-link a:hover {
    text-decoration: underline;
}

.hint {
    font-size: 12.8px;
    color: #666;
    margin-top: 4.8px;
}