* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: #121212;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
    padding: 20px;
}

.container {
    max-width: 400px;
    width: 100%;
    background: #1e1e1e;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(255, 0, 0, 0.5);
}

h1 {
    color: red;
    font-weight: 600;
    margin-bottom: 10px;
}

h3 {
    font-size: 14px;
    font-weight: 400;
    margin-bottom: 20px;
}

.input-group {
    margin-bottom: 15px;
}

input {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    outline: none;
    background: #2a2a2a;
    color: white;
}

.btn {
    width: 100%;
    padding: 12px;
    background-color: red;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    cursor: pointer;
    transition: 0.3s;
}

.btn:hover {
    background-color: darkred;
}

.warning {
    color: red;
    font-size: 14px;
    margin-top: 15px;
}

.info {
    margin-top: 20px;
    font-size: 14px;
}

.info b {
    color: #4da6ff;
}

.error {
    color: red;
    font-size: 14px;
    display: none;
    margin-top: 10px;
}

@media (max-width: 600px) {
    .container {
        max-width: 90%;
    }
}