* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f6f7fb;
    color: #111;
}

.page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 48px 16px;
}

.card {
    width: 100%;
    max-width: 700px;
    background: #fff;
    border: 1px solid #e6e8ef;
    border-radius: 14px;
    padding: 32px;
    text-align: center;
}

.title {
    margin: 20px 0;
    font-size: 28px;
    font-weight: 700;
}

.subtitle {
    margin-top: 15px;
    font-size: 16px;
    color: #666;
}

.qr-wrapper {
    display: flex;
    justify-content: center;
    margin: 20px 0;
}

.qr-wrapper img {
    max-width: 280px;
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 10px;
    background: #fff;
}

.scanner {
    width: 100%;
    max-width: 900px;
    text-align: center;
}

.scanner__title {
    margin: 0 0 24px;
    font-size: 32px;
    font-weight: 700;
}

.scanner__video,
.scanner__image {
    display: block;
    width: 100%;
    max-width: 400px;
    margin: 0 auto 16px;
    border: 1px solid #d9dbe3;
    border-radius: 12px;
    background: #fff;
}

.scanner__video {
    min-height: 300px;
    object-fit: cover;
}

.scanner__image {
    padding: 8px;
}

.btn {
    border: 0;
    border-radius: 10px;
    padding: 12px 22px;
    font-size: 16px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.btn--primary {
    background: #2563eb;
    color: #fff;
}

.btn--success {
    background: #16a34a;
    color: #fff;
}

.btn--info {
    background: #0ea5e9;
    color: #fff;
}

.is-hidden {
    display: none;
}

.top-link {
    margin-bottom: 20px;
}