.detail-qr-dialog {
    width: min(560px, calc(100% - 24px));
    max-width: none;
    max-height: calc(100vh - 32px);
    max-height: calc(100dvh - 32px);
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    color: var(--ink);
    overflow: auto;
}
.detail-qr-dialog:not([open]) { display: none; }
.detail-qr-dialog::backdrop { background: rgb(16 28 51 / 55%); }
body.detail-qr-open { overflow: hidden; }
.detail-qr-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 20px;
}
.detail-qr-heading h2 { margin: 0; font-size: 22px; line-height: 1.3; }
/* Initial focus announces the title; keyboard focus stays visible on controls. */
.detail-qr-heading h2:focus { outline: none; }
.detail-qr-close {
    display: grid;
    place-items: center;
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--muted);
}
.detail-qr-close:hover { background: var(--surface); color: var(--ink); }
.detail-qr-close svg { width: 22px; height: 22px; }
.detail-qr-content { display: grid; grid-template-columns: minmax(0, 1fr) 150px; align-items: center; gap: 24px; }
.detail-qr-picture { aspect-ratio: 1; min-width: 0; background: #fff; }
.detail-qr-image { display: block; width: 100%; height: auto; aspect-ratio: 1; }
.detail-qr-buttons { display: flex; flex-direction: column; gap: 12px; }
.detail-qr-buttons button {
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid var(--link);
    color: var(--link);
    background: #fff;
    font-weight: 600;
}
.detail-qr-buttons button:hover { background: var(--surface); }
.detail-qr-buttons [data-detail-qr-copy] { color: #fff; background: var(--green); border-color: var(--green); }
.detail-qr-buttons [data-detail-qr-copy]:hover { background: #1f6245; border-color: #1f6245; }
.detail-qr-buttons button:disabled { opacity: .55; cursor: wait; }
.detail-qr-status { min-height: 20px; margin: 16px 0 0; color: var(--muted); font-size: 14px; line-height: 1.4; }
.detail-qr-status[data-error] { color: var(--red); }
@media (max-width: 480px) {
    .detail-qr-dialog { padding: 16px; }
    .detail-qr-heading { margin-bottom: 12px; }
    .detail-qr-heading h2 { font-size: 20px; }
    .detail-qr-content { grid-template-columns: minmax(0, 1fr) 124px; gap: 12px; }
    .detail-qr-buttons button { padding: 10px 8px; font-size: 14px; }
}
@media (max-width: 360px) {
    .detail-qr-dialog { padding: 12px; }
    .detail-qr-content { grid-template-columns: minmax(0, 1fr) 112px; gap: 8px; }
    .detail-qr-buttons button { padding: 10px 6px; font-size: 13px; }
}
@media print { .detail-qr-dialog { display: none; } }