:root {
    --bg-dark: #121212;
    --bg-darker: #0a0a0a;
    --accent-neon: #00ff9d;
    --accent-purple: #9d00ff;
    --text-light: #e0e0e0;
    --text-lighter: #ffffff;
    --border-highlight: #444;
    --input-bg: #1e1e1e;
    --input-border: #333;
}

body {
    font-family: 'Courier New', monospace;
    background-color: var(--bg-dark);
    color: var(--text-light);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-image: radial-gradient(circle at 10% 20%, rgba(0, 255, 157, 0.1) 0%, transparent 30%),
                      radial-gradient(circle at 90% 80%, rgba(157, 0, 255, 0.1) 0%, transparent 30%);
}

.auth-container {
    width: 350px;
    background-color: var(--bg-darker);
    border: 1px solid var(--border-highlight);
    border-radius: 4px;
    padding: 2rem;
    box-shadow: 0 0 20px rgba(0, 255, 157, 0.2),
                inset 0 0 10px rgba(157, 0, 255, 0.1);
}

.auth-title {
    text-align: center;
    color: var(--accent-neon);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 5px var(--accent-neon);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.auth-input {
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-light);
    padding: 0.75rem;
    font-family: inherit;
    border-radius: 2px;
    transition: border-color 0.3s;
}

.auth-input:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 5px var(--accent-purple);
}

.auth-button {
    background-color: var(--accent-neon);
    color: var(--bg-dark);
    border: none;
    padding: 0.75rem;
    font-family: inherit;
    font-weight: bold;
    cursor: pointer;
    border-radius: 2px;
    transition: background-color 0.3s, transform 0.2s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.auth-button:hover {
    background-color: var(--accent-purple);
    transform: translateY(-2px);
}

.auth-button:active {
    transform: translateY(0);
}

.auth-link {
    text-align: center;
    margin-top: 1rem;
    color: var(--text-light);
}

.auth-link a {
    color: var(--accent-neon);
    text-decoration: none;
    font-weight: bold;
}

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

.error-message {
    color: #ff3333;
    font-size: 0.8rem;
    text-align: center;
    margin-top: -0.5rem;
    margin-bottom: 0.5rem;
    display: none;
}