.user-agent-tool .user-agent-layout { align-items: stretch; row-gap: 16px; }
.user-agent-current-panel .form-control-group-body,
.user-agent-parser-panel .form-control-group-body { gap: 14px; }
.user-agent-current-header,
.user-agent-results-header,
.user-agent-library-header {
  flex: 0 0 auto;
  padding-top: 6px;
  padding-bottom: 6px;
}
.user-agent-current-header > span,
.user-agent-results-header > span,
.user-agent-library-header > span {
  flex: 1;
  min-width: 0;
}
.user-agent-field,
.user-agent-search-field,
.user-agent-result-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
  min-width: 0;
  color: var(--text-2);
  font-size: 13.5px;
  font-weight: 600;
}
.user-agent-field .form-control,
.user-agent-search-field .form-control,
.user-agent-result-item .form-control {
  width: 100%;
  min-width: 0;
}
.user-agent-textarea {
  min-height: 104px;
  resize: vertical;
  font-family: var(--mono-font);
  font-size: 13px;
  line-height: 1.55;
}
.user-agent-current-card {
  display: grid;
  gap: 6px;
  min-height: 92px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(37, 99, 235, .08), transparent 46%),
    var(--bg-soft);
}
.user-agent-current-card strong {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 20px;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user-agent-current-card span {
  color: var(--text-2);
  font-size: 13.5px;
  line-height: 1.45;
}
.user-agent-signal-grid,
.user-agent-library-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-soft);
}
.user-agent-library-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 12px; }
.user-agent-signal-grid > div,
.user-agent-library-stats > div {
  display: grid;
  gap: 3px;
  padding: 12px 14px;
  border-right: 1px solid var(--border);
}
.user-agent-signal-grid > div:last-child,
.user-agent-library-stats > div:last-child { border-right: 0; }
.user-agent-signal-grid strong,
.user-agent-library-stats strong {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 16px;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user-agent-signal-grid span,
.user-agent-library-stats span {
  color: var(--text-2);
  font-size: 12.5px;
  line-height: 1.35;
}
.user-agent-message,
.user-agent-error {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-soft);
  color: var(--text-2);
  font-size: 13.5px;
  line-height: 1.45;
}
.user-agent-error {
  border-color: #fecaca;
  background: var(--danger-soft);
  color: var(--danger);
}
.user-agent-actions,
.user-agent-filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.user-agent-actions .btn,
.user-agent-filter-buttons .btn {
  min-width: 92px;
  justify-content: center;
}
.user-agent-summary {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-soft);
  color: var(--text-2);
  font-size: 13.5px;
  line-height: 1.55;
}
.user-agent-result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.user-agent-result {
  background: var(--bg-soft);
  font-family: var(--mono-font);
  font-size: 13px;
}
.btn-copy-current-ua,
.btn-copy-parse-result,
.btn-copy-library,
.btn-user-agent-use {
  min-width: 92px;
  justify-content: center;
  white-space: nowrap;
}
.user-agent-library-panel,
.user-agent-reference-panel { margin-top: 16px; }
.user-agent-filter-row {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  gap: 12px;
  align-items: end;
}
.user-agent-table-wrap {
  margin-top: 12px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.user-agent-table {
  width: 100%;
  min-width: 940px;
  border-collapse: collapse;
  background: var(--bg);
}
.user-agent-table th,
.user-agent-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: 13.5px;
  line-height: 1.4;
  text-align: left;
  vertical-align: middle;
}
.user-agent-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--bg-soft);
  color: var(--text-2);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}
.user-agent-table tr:last-child td { border-bottom: 0; }
.user-agent-table tbody tr.is-active { background: var(--primary-soft); }
.user-agent-table code {
  display: block;
  max-width: 540px;
  overflow: hidden;
  padding: 2px 0;
  color: var(--text);
  font-family: var(--mono-font);
  font-size: 12.5px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user-agent-client {
  display: grid;
  gap: 2px;
}
.user-agent-client strong {
  color: var(--text);
  font-size: 13.5px;
  line-height: 1.3;
}
.user-agent-client span {
  color: var(--text-3);
  font-size: 12px;
  line-height: 1.35;
}
.user-agent-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 74px;
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-soft);
  color: var(--text-2);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}
.user-agent-reference-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
}
.user-agent-reference-grid > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border-right: 1px solid var(--border);
}
.user-agent-reference-grid > div:last-child { border-right: 0; }
.user-agent-reference-grid strong { color: var(--text); font-size: 13.5px; }
.user-agent-reference-grid span { color: var(--text-2); font-size: 13px; line-height: 1.45; }
:root[data-theme="dark"] .user-agent-result { background: var(--bg-soft); }
:root[data-theme="dark"] .user-agent-error { border-color: #7f1d1d; background: rgba(127, 29, 29, .18); }
@media (max-width: 991px) {
  .user-agent-result-grid,
  .user-agent-reference-grid { grid-template-columns: 1fr; }
  .user-agent-filter-row { grid-template-columns: 1fr; }
  .user-agent-reference-grid > div {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .user-agent-reference-grid > div:last-child { border-bottom: 0; }
}
@media (max-width: 640px) {
  .user-agent-tool .form-control-group-body { padding: 14px; }
  .user-agent-current-panel .form-control-group-footer { flex-direction: column; align-items: stretch; }
  .user-agent-current-panel .form-control-group-footer .btn,
  .user-agent-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .user-agent-current-header,
  .user-agent-results-header,
  .user-agent-library-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 8px;
    min-height: 0;
    padding-top: 6px;
    padding-bottom: 6px;
  }
  .user-agent-current-header > span,
  .user-agent-results-header > span,
  .user-agent-library-header > span {
    display: block;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .btn-copy-current-ua,
  .btn-copy-parse-result,
  .btn-copy-library {
    width: 92px;
    min-width: 92px;
    padding-right: 8px;
    padding-left: 8px;
  }
  .user-agent-current-card strong { font-size: 17px; }
  .user-agent-signal-grid,
  .user-agent-library-stats { grid-template-columns: 1fr; }
  .user-agent-signal-grid > div,
  .user-agent-library-stats > div {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .user-agent-signal-grid > div:last-child,
  .user-agent-library-stats > div:last-child { border-bottom: 0; }
  .user-agent-filter-buttons {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .user-agent-filter-buttons .btn {
    width: 100%;
    min-width: 0;
  }
}