:root {
    --bg-color: #0f172a;
    --card-bg: rgba(255, 255, 255, 0.03);
    --accent-color: #ec4899;
    --text-color: #f8fafc;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
}

.container {
    perspective: 1000px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.qr-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: fadeIn 1s ease-out;
}

.qr-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 35px 60px -15px rgba(0, 0, 0, 0.6);
    border-color: rgba(236, 72, 153, 0.3);
}

.qr-image {
    max-width: 90vw;
    max-height: 80vh;
    width: auto;
    height: auto;
    display: block;
    border-radius: 12px;
    object-fit: contain;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* For mobile accessibility */
@media (max-width: 640px) {
    .qr-card {
        padding: 16px;
        border-radius: 16px;
    }
}