* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #dddddd;
    color: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.container {
    max-width: 700px;
    width: 100%;
    padding: 24px;
    text-align: center;
}

.card {
    background: rgb(24 24 25 / 90%);
    border-radius: 16px;
    padding: 32px 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(148, 163, 184, 0.3);
}

.img-wrapper {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
    border: 3px solid rgb(255 255 255 / 80%);
    padding: 20px 20px;
    background-color: #ffffff;
}

    .img-wrapper img {
        width: 100%;
        height: 100%;
        object-fit: contain;
        display: block;
    }

h1 {
    font-size: 2rem;
    margin: 0 0 10px;
}

.code {
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #60a5fa;
    margin-bottom: 8px;
}

p {
    margin: 0 0 16px;
    color: #cbd5f5;
}

.hint {
    font-size: 0.9rem;
    color: #9ca3af;
    margin-bottom: 24px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 500;
    border: none;
    cursor: pointer;
    margin: 5px 6px;
    transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.2s ease;
}

.btn-primary {
    background: #3b82f6;
    color: white;
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.5);
}

    .btn-primary:hover {
        background: #2563eb;
        transform: translateY(-1px);
        box-shadow: 0 14px 30px rgba(59, 130, 246, 0.6);
    }

.btn-outline {
    background: transparent;
    color: #e5e7eb;
    border: 1px solid #4b5563;
}

    .btn-outline:hover {
        background: rgba(148, 163, 184, 0.15);
        transform: translateY(-1px);
    }

.small {
    margin-top: 20px;
    font-size: 0.8rem;
    color: #6b7280;
}

@media (max-width: 480px) {
    .card {
        padding: 24px 16px;
    }

    h1 {
        font-size: 1.6rem;
    }

    .img-wrapper {
        width: 180px;
        height: 180px;
    }
}