.batch20-files {
  --primary-color: var(--primary);
  --card-bg: var(--surface);
  --muted-color: var(--muted);
  --text-color: var(--text);
  --border-color: var(--border);
  --b20f-border: color-mix(in srgb, var(--border) 82%, transparent);
  --b20f-panel: var(--surface-2);
  display: grid;
  gap: 18px;
}

.batch20-files,
.batch20-files * {
  box-sizing: border-box;
}

.b20f-heading {
  align-items: start;
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary-color, #2563eb) 11%, transparent), transparent 70%);
  border: 1px solid var(--b20f-border);
  border-radius: 18px;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding: 20px;
}

.b20f-heading span {
  color: var(--primary-color, #2563eb);
  display: block;
  font-size: .76rem;
  font-weight: 750;
  letter-spacing: .08em;
  margin-bottom: 5px;
}

.b20f-heading h2,
.b20f-heading p {
  margin: 0;
}

.b20f-heading h2 {
  font-size: clamp(1.2rem, 2.4vw, 1.65rem);
}

.b20f-heading p {
  color: var(--muted-color, #64748b);
  line-height: 1.65;
  max-width: 58ch;
}

.b20f-controls {
  align-items: start;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.b20f-controls-wide {
  grid-template-columns: minmax(260px, 2fr) minmax(240px, 2fr) minmax(130px, 1fr) minmax(130px, 1fr);
}

.batch20-files label {
  color: var(--text-color, #0f172a);
  display: grid;
  font-size: .92rem;
  font-weight: 650;
  gap: 7px;
  margin: 0;
}

.batch20-files input,
.batch20-files select {
  background: var(--card-bg, #fff);
  border: 1px solid var(--b20f-border);
  border-radius: 10px;
  color: inherit;
  font: inherit;
  min-height: 42px;
  padding: 8px 10px;
  width: 100%;
}

.batch20-files input[type="file"] {
  font-weight: 500;
  padding: 7px;
}

.b20f-file-summary {
  color: var(--muted-color, #64748b);
  font-size: .82rem;
  font-weight: 400;
  overflow-wrap: anywhere;
}

.batch20-files input:focus-visible,
.batch20-files button:focus-visible,
.b20f-code:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--primary-color, #2563eb) 38%, transparent);
  outline-offset: 2px;
}

.b20f-help {
  color: var(--muted-color, #64748b);
  font-size: .88rem;
  margin: -8px 0 0;
}

.b20f-actions,
.b20f-jobbar {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.b20f-actions button,
.b20f-jobbar button,
.b20f-output-list button {
  min-height: 44px;
}

.b20f-actions button:disabled,
.b20f-jobbar button:disabled,
.b20f-output-list button:disabled {
  cursor: not-allowed;
  opacity: .55;
}

.b20f-actions .secondary-btn:disabled:not([data-b20-active-trigger]) {
  display: none;
}

.b20f-jobbar {
  background: var(--b20f-panel);
  border: 1px solid var(--b20f-border);
  border-radius: 12px;
  padding: 10px 12px;
}

.b20f-jobbar progress {
  accent-color: var(--primary-color, #2563eb);
  flex: 1 1 260px;
  height: 12px;
}

.b20f-status {
  border-inline-start: 4px solid var(--primary-color, #2563eb);
  color: var(--muted-color, #475569);
  line-height: 1.55;
  margin: 0;
  min-height: 24px;
  padding: 3px 10px;
}

.b20f-status[data-tone="success"] {
  border-color: var(--success);
  color: var(--success);
}

.b20f-status[data-tone="warning"] {
  border-color: var(--warning);
  color: var(--warning);
}

.b20f-status[data-tone="error"] {
  border-color: var(--danger);
  color: var(--danger);
}

.b20f-two-panel {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.b20f-two-panel fieldset {
  background: var(--b20f-panel);
  border: 1px solid var(--b20f-border);
  border-radius: 16px;
  display: grid;
  gap: 14px;
  margin: 0;
  min-width: 0;
  padding: 16px;
}

.b20f-two-panel legend {
  font-size: 1.02rem;
  font-weight: 750;
  padding: 0 7px;
}

.b20f-result {
  min-width: 0;
}

.b20f-summary,
.b20f-empty,
.b20f-warning {
  background: color-mix(in srgb, var(--primary-color, #2563eb) 7%, var(--card-bg, #fff));
  border: 1px solid var(--b20f-border);
  border-radius: 11px;
  line-height: 1.55;
  margin: 0;
  padding: 11px 13px;
}

.b20f-warning {
  background: color-mix(in srgb, #f59e0b 11%, var(--card-bg, #fff));
  border-color: color-mix(in srgb, #f59e0b 38%, var(--b20f-border));
}

.b20f-group {
  border: 1px solid var(--b20f-border);
  border-radius: 12px;
  margin-top: 12px;
  overflow-wrap: anywhere;
  padding: 12px;
}

.b20f-group h3,
.b20f-group ul {
  margin: 0;
}

.b20f-group code {
  display: block;
  font-size: .78rem;
  margin: 7px 0;
  overflow-wrap: anywhere;
}

.b20f-group ul {
  padding-inline-start: 22px;
}

.b20f-table {
  border: 1px solid var(--b20f-border);
  border-radius: 12px;
  max-height: 430px;
  overflow: auto;
}

.b20f-table table {
  border-collapse: collapse;
  min-width: 680px;
  width: 100%;
}

.b20f-table caption {
  font-weight: 700;
  padding: 11px;
  text-align: start;
}

.b20f-table th,
.b20f-table td {
  border-top: 1px solid var(--b20f-border);
  padding: 9px 11px;
  text-align: start;
  vertical-align: top;
}

.b20f-table th {
  background: var(--b20f-panel);
  position: sticky;
  top: 0;
  z-index: 1;
}

.b20f-table code,
.b20f-code,
.b20f-result code {
  overflow-wrap: anywhere;
  word-break: break-all;
}

.b20f-table tr[data-status="mismatch"],
.b20f-table tr[data-status="missing"],
.b20f-table tr[data-status="ambiguous"] {
  background: color-mix(in srgb, #ef4444 8%, transparent);
}

.b20f-code {
  background: #101827;
  border-radius: 11px;
  color: #e2e8f0;
  font: .82rem/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  margin: 0;
  max-height: 300px;
  min-height: 90px;
  overflow: auto;
  padding: 12px;
  white-space: pre-wrap;
}

.b20f-output-list {
  display: grid;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.b20f-output-list li {
  align-items: center;
  border: 1px solid var(--b20f-border);
  border-radius: 10px;
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto auto;
  padding: 9px 10px;
}

.b20f-output-list span,
.b20f-output-list strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.b20f-output-list small {
  color: var(--muted-color, #64748b);
}

@media (max-width: 1180px) {
  .b20f-controls-wide {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 820px) {
  .b20f-heading,
  .b20f-two-panel {
    grid-template-columns: 1fr;
  }

  .b20f-heading {
    display: grid;
  }

  .b20f-output-list li {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .b20f-output-list li > :nth-child(2) {
    display: none;
  }
}

@media (max-width: 520px) {
  .b20f-controls-wide {
    grid-template-columns: 1fr;
  }

  .b20f-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .b20f-actions > button {
    width: 100%;
  }

  .b20f-actions:not(:has(> .secondary-btn:not(:disabled), > .secondary-btn[data-b20-active-trigger])) > .primary-btn:first-child,
  .b20f-actions:has(> .secondary-btn:not(:disabled) ~ .secondary-btn:not(:disabled)) > .primary-btn:first-child {
    grid-column: 1 / -1;
  }

  .b20f-jobbar button {
    flex: 0 0 auto;
    width: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .batch20-files *,
  .batch20-files *::before,
  .batch20-files *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}