body {
    margin: 0;
    padding: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: linear-gradient(135deg, #0b0f1a, #151c2f);
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.auth-box {
    width: 100%;
    max-width: 420px;
    background: rgba(20, 30, 60, 0.9);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 0 30px rgba(0,0,0,0.6);
    text-align: center;
}

.auth-box h2 {
    margin: 10px 0;
}

.auth-box p {
    color: #aaa;
    font-size: 14px;
}

.step {
    font-size: 12px;
    color: #00c2ff;
    margin-bottom: 10px;
}

.auth-box input {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border-radius: 6px;
    border: none;
    outline: none;
    background: #0f1629;
    color: #fff;
}

.auth-box button {
    width: 100%;
    padding: 12px;
    margin-top: 15px;
    background: #00c2ff;
    border: none;
    border-radius: 6px;
    color: #000;
    font-weight: bold;
    cursor: pointer;
}

.auth-box button:hover {
    background: #00a6db;
}