/* Генератор QR-кода /tools/qr/. Подключается только там. */
.qr-layout { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 16px; align-items: start; margin-bottom: 16px; }
.qr-main { display: grid; gap: 16px; min-width: 0; }
.qr-main .card { display: grid; gap: 16px; }
.qr-main .card-h { margin-bottom: 0; }

.qr-types { width: 100%; }
.qr-types button { flex: 1 1 auto; }
.qr-fields { display: grid; gap: 12px; }
.qr-fields[hidden] { display: none; }
.qr-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; align-items: end; }
.qr-note { font-size: 13px; color: var(--ink-3); line-height: 1.5; }
.qr-note a { color: var(--accent-text); }
.app textarea { resize: vertical; min-height: 64px; }

.qr-check { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; color: var(--ink-2); cursor: pointer; min-height: 40px; }
.qr-check input { width: 18px; height: 18px; accent-color: var(--green); flex-shrink: 0; }

.qr-presets { display: flex; flex-wrap: wrap; gap: 8px; }
.qr-presets button { width: 34px; height: 34px; border-radius: 9px; border: 1px solid var(--line-2); cursor: pointer; padding: 0;
  background: linear-gradient(135deg, var(--a) 0 50%, var(--b) 50% 100%); transition: transform .15s; }
.qr-presets button:hover { transform: translateY(-2px); }
.qr-presets button:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }

.qr-colors { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.qr-color { display: flex; align-items: center; gap: 8px; }
.qr-color input[type=color] { width: 44px; height: 40px; padding: 3px; border: 1px solid var(--line-2); border-radius: var(--radius); background: var(--surface); cursor: pointer; flex-shrink: 0; }
.app .qr-color input[type=text] { font-family: var(--font-mono); font-size: 13px; text-transform: lowercase; min-width: 0; }

.qr-opt { display: grid; gap: 8px; }
.qr-opt-k { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.qr-opt .seg { align-self: start; justify-self: start; }

.qr-logo { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.qr-file { cursor: pointer; }
.qr-logo-name { font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%; }
.qr-logo-opts { display: grid; gap: 6px; padding: 14px; border-radius: var(--radius); background: var(--surface-2); border: 1px solid var(--line); }
.qr-logo-opts[hidden] { display: none; }

.qr-range input[type=range] { width: 100%; accent-color: var(--green); }
.qr-range b { font-weight: 600; color: var(--ink); margin-left: 4px; }

.qr-reset { border: 0; background: none; font: 500 13px var(--font-body); color: var(--ink-3); cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.qr-reset:hover { color: var(--ink); }

.qr-more { border-top: 1px solid var(--line); padding-top: 12px; }
.qr-more summary { cursor: pointer; font-size: 14px; font-weight: 600; color: var(--ink-2); list-style: none; display: flex; align-items: center; gap: 8px; }
.qr-more summary::-webkit-details-marker { display: none; }
.qr-more summary::before { content: "+"; display: grid; place-items: center; width: 20px; height: 20px; border-radius: 6px; background: var(--bg-2); font-weight: 600; }
.qr-more[open] summary::before { content: "−"; }
.qr-more[open] > :not(summary) { margin-top: 14px; }
.qr-more .qr-opt + .field { margin-top: 14px; }

/* превью справа */
.qr-side { position: sticky; top: 84px; }
.qr-preview-card { display: grid; gap: 14px; }
.qr-stage { border-radius: 12px; background: var(--bg-2); padding: 18px; display: grid; place-items: center; min-height: 300px; }
.qr-stage.is-transparent { background-color: #fff; background-image: linear-gradient(45deg, #e9ece7 25%, transparent 25%), linear-gradient(-45deg, #e9ece7 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #e9ece7 75%), linear-gradient(-45deg, transparent 75%, #e9ece7 75%);
  background-size: 18px 18px; background-position: 0 0, 0 9px, 9px -9px, -9px 0; }
.qr-preview { width: 100%; max-width: 320px; display: grid; place-items: center; }
.qr-preview svg { display: block; width: 100%; height: auto; border-radius: 6px; box-shadow: 0 8px 24px -14px rgba(20, 24, 23, .35); }
.qr-empty { font-size: 14px; color: var(--ink-3); text-align: center; line-height: 1.5; padding: 40px 10px; max-width: 240px; }
.qr-status { font-size: 12.5px; color: var(--ink-3); font-family: var(--font-mono); text-align: center; min-height: 1.4em; line-height: 1.45; }
.qr-status.is-warn { font-family: var(--font-body); color: var(--warning); }
.qr-preview-card .seg { width: 100%; }
.qr-preview-card .seg button { flex: 1 1 auto; }
.qr-dl { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; }
.qr-dl .btn:disabled, .qr-copy:disabled { opacity: .45; cursor: not-allowed; }
.qr-copy { width: 100%; }
.qr-preview-card .qr-note { text-align: center; }

@media (max-width: 1100px) { .qr-layout { grid-template-columns: minmax(0, 1fr) 330px; } }
@media (max-width: 960px) {
  .qr-layout { grid-template-columns: 1fr; }
  .qr-side { position: static; order: -1; }
  .qr-stage { min-height: 0; }
  .qr-preview { max-width: 260px; }
}
@media (max-width: 480px) {
  .qr-dl { grid-template-columns: 1fr 1fr; }
  .qr-dl .btn-primary { grid-column: 1 / -1; }
}