.qrg-container {
    max-width: 900px;
    margin: 20px auto;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
.qrg-tool-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    padding: 24px;
    margin-bottom: 30px;
}
.qrg-tool-card h2 {
    margin-top: 0;
    font-size: 1.8rem;
    color: #0f172a;
}
.qrg-tool-card p {
    color: #334155;
    margin-bottom: 20px;
}
.qrg-form label {
    font-weight: 600;
    display: block;
    margin-bottom: 6px;
    color: #1e293b;
}
.qrg-form textarea, .qrg-form select, .qrg-form input[type="text"], .qrg-form input[type="file"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    background: #f8fafc;
    font-size: 1rem;
    margin-bottom: 16px;
}
.qrg-logo-preview {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 5px;
    margin-bottom: 16px;
}
.qrg-logo-preview img {
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    padding: 4px;
    background: white;
}
.qrg-row {
    display: flex;
    gap: 20px;
    margin-bottom: 16px;
}
.qrg-col {
    flex: 1;
}
.qrg-button {
    background: #3b82f6;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 40px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
    margin-top: 8px;
}
.qrg-button:hover {
    background: #2563eb;
}
.qrg-button.small {
    padding: 6px 16px;
    font-size: 0.85rem;
}
.qrg-output {
    margin-top: 30px;
    text-align: center;
}
.qrg-download {
    margin-top: 16px;
    display: flex;
    gap: 10px;
    justify-content: center;
}
.qrg-ad-slot {
    margin-top: 30px;
    min-height: 90px;
    background: #f1f5f9;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    font-size: 0.8rem;
}
@media (max-width: 640px) {
    .qrg-row {
        flex-direction: column;
        gap: 0;
    }
    .qrg-tool-card {
        padding: 16px;
    }
}