/* Generator QR — layout only (colors from portal theme CSS vars) */

.pbn-tool-generator-qr .pbn-tool-ui {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
    gap: 2rem;
    align-items: start;
}

.pbn-qr-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.pbn-qr-form label {
    display: block;
}

.pbn-qr-label {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 600;
    font-size: 0.9em;
}

.pbn-qr-form input,
.pbn-qr-form select,
.pbn-qr-form textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color, #ccc);
    border-radius: var(--radius-sm, 4px);
    background: transparent;
    color: inherit;
    font: inherit;
    box-sizing: border-box;
}

.pbn-qr-form textarea {
    resize: vertical;
}

.pbn-qr-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.pbn-qr-group {
    border: 0;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pbn-qr-group[hidden] {
    display: none;
}

.pbn-qr-actions {
    margin-top: 0.5rem;
}

.pbn-qr-submit {
    width: 100%;
    padding: 0.7rem 1.25rem;
    border: 0;
    border-radius: var(--radius-sm, 4px);
    background: var(--primary-color, #333);
    color: #fff;
    cursor: pointer;
    font: inherit;
    font-weight: 600;
    transition: opacity 0.15s;
}

.pbn-qr-submit:hover {
    opacity: 0.85;
}

.pbn-qr-error {
    margin: 0;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm, 4px);
    background: rgba(220, 38, 38, 0.08);
    color: #b91c1c;
    font-size: 0.9em;
}

.pbn-qr-error[hidden] {
    display: none;
}

.pbn-qr-preview-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    position: sticky;
    top: 1rem;
}

.pbn-qr-preview {
    width: 100%;
    min-height: 260px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    border: 2px dashed var(--border-color, #ddd);
    border-radius: var(--radius-md, 8px);
    background: #fff;
}

.pbn-qr-preview img {
    display: block;
    max-width: 100%;
    height: auto;
    image-rendering: pixelated;
}

.pbn-qr-placeholder {
    margin: 0;
    opacity: 0.5;
    text-align: center;
    font-size: 0.9em;
}

.pbn-qr-download-row {
    text-align: center;
}

.pbn-qr-download {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-sm, 4px);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9em;
    border: 1px solid var(--border-color, #ccc);
    color: inherit;
    transition: background 0.15s;
}

.pbn-qr-download:hover {
    background: rgba(0, 0, 0, 0.04);
}

.pbn-qr-download[hidden] {
    display: none;
}

@media (max-width: 820px) {
    .pbn-tool-generator-qr .pbn-tool-ui {
        grid-template-columns: 1fr;
    }

    .pbn-qr-preview-wrap {
        position: static;
        order: -1;
    }

    .pbn-qr-preview {
        min-height: 200px;
    }
}