:root {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --input-bg: #1e1e1e;
    --input-border: #333;
                        --button-bg: #57535f;
    --button-text: #ffffff;
    --error-color: #b8465c;
}

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

.container {
    max-width: 400px;
    width: 100%;
    padding: 20px;
    background-color: #1c1c1c;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.5);
}

h1 {
    text-align: center;
    margin-bottom: 20px;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    margin-bottom: 8px;
    font-weight: bold;
}

input {
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid var(--input-border);
    border-radius: 5px;
    background-color: var(--input-bg);
    color: var(--text-color);
}

button {
    padding: 10px;
    background-color: var(--button-bg);
    border: none;
    border-radius: 5px;
    color: var(--button-text);
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #615b70;
}

.error {
    color: var(--error-color);
    text-align: center;
    margin-bottom: 15px;
}