.paper-search-dialog {
  width: min(840px, calc(100vw - 32px)); height: min(760px, calc(100dvh - 32px)); max-height: calc(100dvh - 32px);
  padding: 0; box-sizing: border-box; overflow: hidden; border: 1px solid var(--ui-border); border-radius: 12px;
  color: var(--ui-text); background: var(--ui-surface); font: inherit;
}
.paper-search-dialog::backdrop { background: rgb(0 0 0 / .24); }
.paper-search-content { display: flex; flex-direction: column; height: 100%; min-height: 0; }
.paper-search-header { display: flex; flex: 0 0 auto; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 20px; border-bottom: 1px solid var(--ui-border); }
.paper-search-header h2 { margin: 0; font-size: 18px; font-weight: 600; }
.paper-search-header p { margin: 4px 0 0; font-size: 12px; color: var(--ui-text-muted); }
.paper-search-dialog button, .paper-search-dialog input, .paper-search-dialog select { min-height: 44px; box-sizing: border-box; font: inherit; }
.paper-search-dialog button { padding: 8px 12px; cursor: pointer; }
.paper-search-dialog button:disabled { cursor: default; opacity: .6; }
.paper-search-dialog :is(button, input, select, a):focus-visible { outline: 2px solid var(--ui-focus); outline-offset: 2px; }
.paper-search-source-row { display: flex; flex: 0 0 auto; align-items: center; gap: 8px; padding: 8px 20px 0; }
.paper-search-source-row label { font-size: 13px; }
.paper-search-source-row select { flex: 1; min-width: 0; max-width: 320px; padding: 8px; border: 1px solid var(--ui-border); border-radius: 8px; color: var(--ui-text); background: var(--ui-surface); }
.paper-search-connection-actions { display: flex; align-items: center; gap: 8px; }
.paper-search-connection h3 { margin: 12px 0; font-size: 18px; }
.paper-search-connection form { display: flex; flex-wrap: wrap; gap: 12px; max-width: 520px; }
.paper-search-connection label { flex-basis: 100%; font-size: 13px; }
.paper-search-connection input { flex: 1; min-width: 120px; width: 0; padding: 8px 12px; border: 1px solid var(--ui-border); border-radius: 8px; color: var(--ui-text); background: var(--ui-surface); font-size: 16px; }
.paper-search-notice { padding: 8px 12px; border-inline-start: 2px solid var(--ui-border); background: var(--ui-surface-muted); font-size: 14px; }
.paper-search-source-links { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.paper-search-form { flex: 0 0 auto; padding: 12px 20px; }
.paper-search-form label { display: block; margin-bottom: 8px; font-size: 13px; }
.paper-search-query-row { display: flex; gap: 8px; }
.paper-search-query-row input { flex: 1; width: 0; min-width: 0; padding: 8px 12px; border: 1px solid var(--ui-border); border-radius: 8px; color: var(--ui-text); background: var(--ui-surface); font-size: 16px; }
.paper-search-body { flex: 1 1 auto; min-height: 0; overflow: auto; overscroll-behavior: contain; padding: 0 20px 16px; overflow-wrap: anywhere; }
.paper-search-status { color: var(--ui-text-muted); font-size: 13px; margin: 8px 0; }
.paper-search-status:empty { display: none; }
.paper-search-hint { color: var(--ui-text-muted); font-size: 14px; line-height: 1.6; }
.paper-search-error { padding: 12px; border: 1px solid var(--ui-border); border-radius: 8px; color: var(--ui-text); background: var(--ui-surface-muted); font-size: 14px; line-height: 1.6; }
.paper-search-results { list-style: none; margin: 0; padding: 0; }
.paper-search-results li + li { border-top: 1px solid var(--ui-border); }
.paper-search-results button { display: flex; flex-direction: column; gap: 8px; width: 100%; padding: 16px 8px; border: 0; border-radius: 4px; color: inherit; background: transparent; text-align: start; overflow-wrap: anywhere; }
.paper-search-results button:hover { background: var(--ui-surface-muted); }
.paper-search-result-title { font-size: 16px; font-weight: 600; line-height: 1.5; }
.paper-search-authors, .paper-search-result-meta { color: var(--ui-text-muted); font-size: 13px; line-height: 1.6; }
.paper-search-detail h3 { margin: 12px 0; font-size: 20px; line-height: 1.5; }
.paper-search-detail h4 { margin: 20px 0 8px; font-size: 15px; }
.paper-search-metadata { display: flex; flex-wrap: wrap; gap: 12px 24px; font-size: 13px; }
.paper-search-metadata dt { color: var(--ui-text-muted); }
.paper-search-metadata dd { margin: 4px 0 0; }
.paper-search-detail a { display: inline-flex; align-items: center; min-height: 44px; color: var(--ui-text); }
.paper-search-abstract { margin: 0; white-space: pre-wrap; font-size: 15px; line-height: 1.8; }
.paper-search-back { margin-top: 8px; }
.paper-search-footer { display: flex; flex: 0 0 auto; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 16px; padding: 12px 20px; border-top: 1px solid var(--ui-border); }
.paper-search-target { color: var(--ui-text-muted); font-size: 12px; }
.paper-search-footer-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 16px; min-width: 0; }
.paper-search-footer-meta a { display: inline-flex; align-items: center; min-height: 44px; color: var(--ui-text-muted); font-size: 12px; }
.paper-search-actions { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 8px; }
.paper-search-receipt { font-size: 13px; font-weight: 500; }
@media (max-width: 480px) {
  .paper-search-dialog { width: calc(100vw - 16px); height: calc(100dvh - 16px); max-height: calc(100dvh - 16px); }
  .paper-search-header, .paper-search-form, .paper-search-footer { padding: 12px; }
  .paper-search-body { padding: 0 12px 12px; }
  .paper-search-source-row { padding: 8px 12px 0; flex-wrap: wrap; }
  .paper-search-connection-actions { flex-basis: 100%; justify-content: flex-end; }
  .paper-search-footer { align-items: stretch; flex-direction: column; }
  .paper-search-actions { justify-content: flex-start; }
  .paper-search-receipt { flex-basis: 100%; }
}
@media (max-height: 480px) {
  .paper-search-header { padding-top: 4px; padding-bottom: 4px; }
  .paper-search-header p { display: none; }
  .paper-search-form { padding-top: 8px; padding-bottom: 8px; }
  .paper-search-source-row { padding-top: 4px; }
  .paper-search-form label { margin-bottom: 4px; }
  .paper-search-footer { padding-top: 8px; padding-bottom: 8px; }
}