.tcd-qr-generator {
    max-width: 480px;
    margin: 2rem auto;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    background: #ffffff;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.tcd-qr-generator h2 {
    margin: 0 0 1rem;
    font-size: 1.4rem;
    text-align: center;
}

.tcd-qr-generator label {
    display: block;
    margin-top: 0.75rem;
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.tcd-qr-generator input,
.tcd-qr-generator select {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border-radius: 8px;
    border: 1px solid #cbd5f5;
    font-size: 0.95rem;
}

.tcd-qr-generator button {
    margin-top: 1rem;
    width: 100%;
    padding: 0.75rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    background: #111827;
    color: white;
    transition: transform 0.05s ease, box-shadow 0.1s ease, background 0.1s ease;
}

.tcd-qr-generator button:hover {
    background: #0f172a;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.25);
    transform: translateY(-1px);
}

#tcd-qr-result-wrapper {
    margin-top: 1.5rem;
    text-align: center;
}

#tcd-qr-result canvas {
    margin: 0 auto;
    display: block;
}

#tcd-qr-download {
    display: inline-block;
    margin-top: 0.75rem;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 999px;
    text-decoration: none;
    border: 1px solid #111827;
    color: #111827;
}