body {
    background-color: #121212;
    color: white;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    text-align: center;
    width: 90%;
    max-width: 400px;
}

.logo {
    color: #ffd700;
    font-size: 40px;
    margin-bottom: 20px;
    letter-spacing: 5px;
}

.card {
    background: #1e1e1e;
    padding: 30px;
    border-radius: 15px;
    border: 1px solid #333;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

h2 { font-size: 18px; margin-bottom: 10px; }
p { font-size: 14px; color: #ccc; }

input {
    width: 100%;
    padding: 12px;
    margin: 20px 0;
    border-radius: 5px;
    border: 1px solid #444;
    background: #2a2a2a;
    color: white;
    box-sizing: border-box;
}

button {
    width: 100%;
    padding: 12px;
    background: #ffd700;
    border: none;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

button:hover { background: #e6c200; }

.hidden { display: none; }
.success { color: #4caf50; margin-top: 15px; font-weight: bold; }
.footer-text { font-size: 12px; color: #666; margin-top: 20px; }