.qr-tabs {
  display: flex;
  gap: 8px;
  margin: 0 0 18px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.qr-tabs a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 750;
  white-space: nowrap;
}
.qr-tabs a[aria-current="page"] {
  border-color: var(--accent);
  background: #fff4ea;
}
.qr-mode-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 16px 0;
}
.qr-mode {
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
  color: var(--ink);
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}
.qr-mode[aria-pressed="true"] {
  border-color: var(--accent);
  background: #fff4ea;
  box-shadow: 0 0 0 1px var(--accent) inset;
}
.qr-form-grid {
  display: grid;
  gap: 14px;
}
.qr-two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.qr-field {
  display: grid;
  gap: 7px;
}
.qr-field label,
.qr-field legend {
  font-size: 13px;
  font-weight: 750;
  color: var(--ink);
}
.qr-field input,
.qr-field textarea,
.qr-field select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  color: var(--ink);
  padding: 10px 12px;
  font: inherit;
}
.qr-field textarea {
  min-height: 118px;
  resize: vertical;
}
.qr-field input:focus-visible,
.qr-field textarea:focus-visible,
.qr-field select:focus-visible,
.qr-mode:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}
.qr-hint {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}
.qr-checkbox {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
}
.qr-checkbox input {
  width: 18px;
  height: 18px;
}
.qr-advanced {
  margin: 16px 0 0;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}
.qr-advanced summary {
  cursor: pointer;
  font-weight: 750;
  color: var(--ink);
}
.qr-result {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}
.qr-result-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  padding: 16px;
}
.qr-canvas-frame {
  min-height: 260px;
  display: grid;
  place-items: center;
  padding: 16px;
  border-radius: 14px;
  background:
    linear-gradient(45deg, #f4efe8 25%, transparent 25%),
    linear-gradient(-45deg, #f4efe8 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #f4efe8 75%),
    linear-gradient(-45deg, transparent 75%, #f4efe8 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  overflow: hidden;
}
.qr-canvas-frame canvas {
  display: block;
  max-width: 100%;
  height: auto;
  background: #fff;
  border-radius: 4px;
}
.qr-result-meta {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}
.qr-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.qr-actions .button {
  min-height: 44px;
}
.qr-reader-layout {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 18px;
  margin-top: 18px;
}
.qr-image-preview {
  min-height: 220px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #faf6f0;
  overflow: hidden;
}
.qr-image-preview img {
  display: block;
  max-width: 100%;
  max-height: 420px;
  object-fit: contain;
}
.qr-decoded {
  min-width: 0;
}
.qr-decoded pre {
  min-height: 160px;
  max-height: 360px;
  margin: 10px 0 14px;
  padding: 14px;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #faf6f0;
  color: var(--ink);
  font: 13px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.qr-warning {
  margin: 10px 0 0;
  padding: 12px 14px;
  border-radius: 12px;
  background: #fff4d8;
  border: 1px solid #ead6a2;
  color: #71510a;
  font-size: 13px;
}
.qr-safe-link {
  overflow-wrap: anywhere;
  word-break: break-word;
}
.qr-file-meta {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}
@media (max-width: 720px) {
  .qr-mode-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .qr-two,
  .qr-reader-layout {
    grid-template-columns: 1fr;
  }
  .qr-actions {
    display: grid;
    grid-template-columns: 1fr;
  }
  .qr-actions .button {
    width: 100%;
  }
  .qr-canvas-frame {
    min-height: 220px;
  }
}
@media (max-width: 360px) {
  .qr-mode-row {
    grid-template-columns: 1fr 1fr;
  }
  .qr-result-card,
  .tool-panel {
    padding-left: 14px;
    padding-right: 14px;
  }
}