.link-tool-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 330px), 1fr));
  gap: 22px;
  align-items: start;
  margin-top: 30px;
}

.link-tool-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  box-shadow: var(--shadow);
  padding: clamp(20px, 3vw, 32px);
}

.link-tool-panel h2 { font-size: 1.5rem; }
.link-tool-panel h3 { margin-top: 24px; }
.link-tool-panel label {
  display: block;
  font-size: .93rem;
  font-weight: 650;
  margin: 18px 0 7px;
}
.link-tool-panel input,
.link-tool-panel textarea {
  display: block;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
}
.link-tool-panel input:focus,
.link-tool-panel textarea:focus { outline: 3px solid color-mix(in srgb, var(--brand) 25%, transparent); border-color: var(--brand); }
.link-tool-panel input[aria-invalid="true"] { border-color: #b91c1c; }
.link-tool-panel .small { margin: 7px 0 0; }
.link-tool-panel form > button { margin-top: 22px; }
.link-tool-status { margin: 12px 0 0; font-size: .92rem; color: var(--ink-2); min-height: 1.5em; }
.link-tool-status.is-error { color: #b91c1c; }
.link-tool-url { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace !important; font-size: .86rem !important; }
.link-tool-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.link-tool-qr {
  display: grid;
  place-items: center;
  max-width: 350px;
  margin: 14px 0 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
}
.link-tool-qr svg { display: block; width: 100%; height: auto; }
.link-tool-result[hidden] { display: none; }