.shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.card {
  width: min(100%, 560px);
  background: var(--pico-background-color);
  border-radius: var(--pico-border-radius, 18px);
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
}
.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.brand-mark {
  display: block;
  width: 128px;
  max-width: 100%;
  height: auto;
}
.brand-mark--stacked {
  margin-bottom: 16px;
}
.card-header h1 {
  margin-bottom: 0;
}
.muted { color: var(--pico-muted-color, #6b7280); }
.dropzone {
  display: block;
  border: 2px dashed #cbd5e1;
  border-radius: var(--pico-border-radius, 16px);
  padding: 28px;
  text-align: center;
  margin: 16px 0;
  cursor: pointer;
}
.dropzone input { display: none; }
.dropzone.active {
  border-style: solid;
  background: rgba(59, 130, 246, 0.05);
}
.row { display: flex; gap: 16px; align-items: center; margin-bottom: 16px; }
button.secondary {
  background: #e5e7eb;
  color: #111827;
}
button:disabled,
button[aria-busy='true'] {
  opacity: 0.7;
  cursor: progress;
  filter: saturate(0.85);
}
.progress-wrap { margin-top: 16px; }
progress { width: 100%; height: 8px; border-radius: var(--pico-border-radius, 12px); }
.status, .meta { margin-top: 8px; color: var(--pico-muted-color, #374151); word-break: break-word; }
.result { margin-top: 16px; }
.copy-row { display: flex; gap: 8px; }
.copy-row input { flex: 1; padding: 12px; border-radius: var(--pico-border-radius, 12px); border: 1px solid #cbd5e1; }
#share-link {
  word-break: break-all;
  white-space: normal;
}
.share-qr {
  margin-top: 16px;
  padding: 16px;
  border: 1px solid #cbd5e1;
  border-radius: var(--pico-border-radius, 16px);
  background: var(--pico-card-background-color, #f8fafc);
}
.qr-title { margin-bottom: 12px; }
.qr-box {
  display: flex;
  justify-content: center;
  min-height: 192px;
}
.qr-box svg {
  width: 192px;
  height: 192px;
  max-width: 100%;
  border-radius: var(--pico-border-radius, 12px);
  background: #fff;
}
.qr-status { margin-top: 12px; text-align: center; }
.error {
  color: #b91c1c;
  border-left: 3px solid #b91c1c;
  padding-left: 8px;
}
[data-theme="dark"] .error,
.pico.dark .error {
  color: #fca5a5;
  border-left-color: #fca5a5;
}
[data-theme="dark"] .dropzone,
.pico.dark .dropzone {
  border-color: #475569;
}
[data-theme="dark"] button.secondary,
.pico.dark button.secondary {
  background: #334155;
  color: #e5e7eb;
}
[data-theme="dark"] .copy-row input,
.pico.dark .copy-row input {
  background: var(--pico-background-color);
  color: var(--pico-color);
  border-color: #475569;
}
[data-theme="dark"] .share-qr,
.pico.dark .share-qr {
  background: var(--pico-background-color);
  border-color: #334155;
}
[data-theme="dark"] dl.meta,
.pico.dark dl.meta {
  background: var(--pico-background-color);
  border-color: #334155;
}
dl.meta {
  margin: 0 0 24px 0;
  padding: 16px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 16px;
  background: var(--pico-card-background-color, #f8fafc);
  border: 1px solid #e5e7eb;
  border-radius: var(--pico-border-radius, 12px);
}
dl.meta dt {
  font-weight: 600;
  margin: 0;
  color: var(--pico-muted-color, #6b7280);
  font-size: 0.875rem;
}
dl.meta dd {
  margin: 0;
  font-weight: 500;
}
.card-subtitle {
  margin-bottom: 16px;
}
.card-actions {
  margin-bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.logout-link {
  color: var(--pico-muted-color, #6b7280);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  padding-top: 4px;
}
.logout-link:hover,
.logout-link:focus-visible {
  color: var(--pico-color);
  text-decoration: underline;
}
@media (max-width: 480px) {
  .card { padding: 16px; }
  .card-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .brand-mark {
    width: 112px;
  }
  .copy-row {
    flex-direction: column;
  }
  .copy-row input,
  .copy-row button {
    width: 100%;
  }
  select {
    width: 100%;
  }
  .dropzone { padding: 20px; }
  .qr-box svg {
    width: 160px;
    height: 160px;
  }
}