.devsec-shell {
  --dev-ink: #102832;
  --dev-muted: #5d7078;
  --dev-paper: #fbfdfc;
  --dev-panel: #f1f6f4;
  --dev-line: #cbd8d4;
  --dev-accent: #087e78;
  --dev-accent-dark: #075d59;
  --dev-on-accent: #fff;
  --dev-signal: #b8e043;
  --dev-warning: #9b5f09;
  --dev-danger: #b83a32;
  --dev-shadow: 0 14px 36px rgba(16, 40, 50, 0.1);
  position: relative;
  display: grid;
  gap: 20px;
  padding: clamp(18px, 3vw, 34px);
  overflow: hidden;
  border: 1px solid var(--dev-line);
  border-block-start: 5px solid var(--dev-accent);
  border-radius: 18px 5px 18px 5px;
  color: var(--dev-ink);
  background-color: var(--dev-paper);
  box-shadow: var(--dev-shadow);
  isolation: isolate;
}

.devsec-shell::after {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline-end: 0;
  width: 80px;
  height: 80px;
  border-inline-start: 1px solid rgba(8, 126, 120, 0.22);
  border-block-end: 1px solid rgba(8, 126, 120, 0.22);
  background-color: rgba(8, 126, 120, 0.04);
  pointer-events: none;
  z-index: -1;
}

[data-theme="dark"] .devsec-shell {
  --dev-ink: #e9f5f1;
  --dev-muted: #a9bdb7;
  --dev-paper: #102025;
  --dev-panel: #162c32;
  --dev-line: #355057;
  --dev-accent: #4ad7c8;
  --dev-accent-dark: #a6f1e6;
  --dev-on-accent: #102025;
  --dev-signal: #c6ed55;
  --dev-warning: #f1bf69;
  --dev-danger: #ff8d82;
  --dev-shadow: 0 18px 42px rgba(0, 0, 0, 0.26);
}

.devsec-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, 0.8fr);
  gap: 18px;
  align-items: end;
  padding-block-end: 18px;
  border-block-end: 1px solid var(--dev-line);
}

.devsec-heading > div {
  padding-inline-start: 14px;
  border-inline-start: 4px solid var(--dev-signal);
}

.devsec-heading span {
  display: block;
  margin-block-end: 5px;
  color: var(--dev-accent-dark);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.devsec-heading h2 {
  margin: 0;
  color: var(--dev-ink);
  font-size: clamp(23px, 3vw, 34px);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.devsec-heading p {
  margin: 0;
  color: var(--dev-muted);
  font-size: 14px;
  line-height: 1.7;
}

.devsec-shell :where(input, select, textarea) {
  border-color: var(--dev-line);
  border-radius: 7px;
  color: var(--dev-ink);
  background: var(--dev-paper);
}

.devsec-shell :where(input, select, textarea):focus {
  border-color: var(--dev-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--dev-accent) 19%, transparent);
}

.devsec-shell
  :where(button, a, input, select, textarea, summary):focus-visible {
  outline: 3px solid color-mix(in srgb, var(--dev-accent) 48%, transparent);
  outline-offset: 3px;
}

.devsec-shell textarea {
  min-height: 210px;
  tab-size: 2;
}

.devsec-shell textarea[readonly],
.devsec-shell input[readonly] {
  background: var(--dev-panel);
}

.devsec-control-row,
.devsec-regex-controls,
.devsec-result-grid,
.devsec-option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  align-items: end;
}

.devsec-regex-controls fieldset {
  display: flex;
  min-width: 0;
  gap: 10px;
  align-items: center;
  min-height: 44px;
  margin: 0;
  padding: 8px 12px;
  border: 1px solid var(--dev-line);
  border-radius: 7px;
}

.devsec-regex-controls legend {
  padding-inline: 4px;
  color: var(--dev-muted);
  font-size: 12px;
  font-weight: 800;
}

.devsec-regex-controls fieldset code {
  color: var(--dev-accent-dark);
  font-weight: 900;
}

.devsec-check {
  display: flex;
  gap: 9px;
  align-items: center;
  min-height: 44px;
  margin: 0;
  padding: 9px 12px;
  border: 1px solid var(--dev-line);
  border-radius: 7px;
  color: var(--dev-ink);
  background: var(--dev-panel);
  cursor: pointer;
}

.devsec-check input {
  width: 18px;
  min-height: 18px;
  margin: 0;
  accent-color: var(--dev-accent);
}

.devsec-editor-grid,
.devsec-audit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.devsec-pane,
.devsec-audit-grid > section,
.devsec-highlight,
.devsec-sensitive,
.devsec-records {
  min-width: 0;
  margin: 0;
  padding: 14px;
  border: 1px solid var(--dev-line);
  border-radius: 10px;
  background: var(--dev-panel);
}

.devsec-pane-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-block-end: 8px;
}

.devsec-pane-head label {
  margin: 0;
}

.devsec-pane-head span {
  color: var(--dev-muted);
  font: 11px var(--mono);
}

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

.devsec-advanced-options,
.devsec-replace-diff {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--dev-line);
  border-radius: 10px;
  background: var(--dev-panel);
}

.devsec-advanced-options summary {
  color: var(--dev-accent-dark);
  font-weight: 800;
  cursor: pointer;
}

.devsec-advanced-options > p {
  margin: 10px 0;
  color: var(--dev-muted);
  font-size: 13px;
}

.devsec-replace-diff-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 16px;
  align-items: baseline;
  margin-block-end: 10px;
}

.devsec-replace-diff :where(h3, h4, p) {
  margin: 0;
}

.devsec-replace-diff-head p {
  color: var(--dev-muted);
  font: 12px var(--mono);
}

.devsec-replace-diff article {
  min-width: 0;
}

.devsec-replace-diff pre {
  max-height: 260px;
  margin: 7px 0 0;
  padding: 12px;
  overflow: auto;
  border: 1px solid var(--dev-line);
  border-radius: 7px;
  background: var(--dev-paper);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.devsec-replace-diff del,
.devsec-replace-diff ins {
  border-radius: 3px;
  text-decoration: none;
}

.devsec-replace-diff del {
  color: var(--dev-danger);
  background: color-mix(in srgb, var(--dev-danger) 14%, transparent);
}

.devsec-replace-diff ins {
  color: var(--dev-accent-dark);
  background: color-mix(in srgb, var(--dev-signal) 24%, transparent);
}

.devsec-applied-steps {
  min-height: 42px;
  padding: 10px 13px;
  border: 1px dashed var(--dev-line);
  border-radius: 7px;
  color: var(--dev-accent-dark);
  background: color-mix(in srgb, var(--dev-accent) 6%, var(--dev-panel));
  font-size: 13px;
}

.devsec-shell button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.devsec-shell :where(.primary-btn, .secondary-btn) {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 43px;
  padding: 8px 17px;
  border: 1px solid var(--dev-accent);
  border-radius: 5px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.16s ease,
    box-shadow 0.16s ease,
    background-color 0.16s ease;
}

.devsec-shell .primary-btn {
  color: var(--dev-on-accent);
  background: var(--dev-accent);
  box-shadow: 4px 4px 0
    color-mix(in srgb, var(--dev-signal) 70%, var(--dev-accent));
}

.devsec-shell .secondary-btn {
  color: var(--dev-accent-dark);
  background: transparent;
}

.devsec-shell :where(.primary-btn, .secondary-btn):hover {
  transform: translateY(-1px);
}

.devsec-shell .secondary-btn:hover {
  background: color-mix(in srgb, var(--dev-accent) 9%, transparent);
}

.devsec-shell :where(.primary-btn, .secondary-btn):active {
  transform: translate(1px, 1px);
  box-shadow: none;
}

.devsec-status,
.devsec-warning,
.devsec-metrics {
  padding: 11px 13px;
  border-inline-start: 4px solid var(--dev-accent);
  color: var(--dev-muted);
  background: var(--dev-panel);
  font-size: 13px;
}

.devsec-warning {
  border-inline-start-color: var(--dev-warning);
  color: var(--dev-warning);
}

.devsec-status[data-tone="success"] {
  border-inline-start-color: var(--dev-signal);
  color: var(--dev-accent-dark);
}
.devsec-status[data-tone="warning"] {
  border-inline-start-color: var(--dev-warning);
  color: var(--dev-warning);
}
.devsec-status[data-tone="error"] {
  border-inline-start-color: var(--dev-danger);
  color: var(--dev-danger);
}

.devsec-audit-grid h3,
.devsec-highlight h3,
.devsec-records h3 {
  margin-block: 0 10px;
  color: var(--dev-ink);
  font-size: 14px;
}

.devsec-audit-grid iframe {
  width: 100%;
  min-height: 220px;
  border: 1px solid var(--dev-line);
  border-radius: 6px;
  background: #fff;
}

.devsec-highlight pre {
  max-height: 300px;
  margin: 0;
  overflow: auto;
  color: var(--dev-ink);
  background: var(--dev-paper);
}

.devsec-highlight mark {
  padding: 1px 2px;
  color: #17220a;
  background: var(--dev-signal);
  box-shadow: 0 0 0 1px rgba(16, 40, 50, 0.15);
}

.devsec-table-wrap,
.devsec-shell .table-wrap {
  overflow: auto;
  border: 1px solid var(--dev-line);
  border-radius: 8px;
}

.devsec-shell table {
  width: 100%;
  border-collapse: collapse;
  color: var(--dev-ink);
  font-size: 13px;
}

.devsec-shell th,
.devsec-shell td {
  padding: 9px 11px;
  border-block-end: 1px solid var(--dev-line);
  text-align: start;
  vertical-align: top;
}

.devsec-shell th {
  position: sticky;
  inset-block-start: 0;
  color: var(--dev-accent-dark);
  background: var(--dev-panel);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.devsec-shell td code {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.devsec-state-grid,
.devsec-inspector {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}

.devsec-state-grid article,
.devsec-metric-card {
  display: grid;
  gap: 3px;
  min-width: 0;
  padding: 13px;
  border: 1px solid var(--dev-line);
  border-block-start: 3px solid var(--dev-accent);
  border-radius: 8px;
  background: var(--dev-panel);
}

.devsec-state-grid article[data-state="ok"] {
  border-block-start-color: var(--dev-signal);
}
.devsec-state-grid article[data-state="bad"] {
  border-block-start-color: var(--dev-danger);
}
.devsec-state-grid article[data-state="neutral"] {
  border-block-start-color: var(--dev-warning);
}
.devsec-state-grid :where(span, small),
.devsec-metric-card span {
  color: var(--dev-muted);
  font-size: 11px;
}
.devsec-state-grid strong,
.devsec-metric-card b {
  overflow-wrap: anywhere;
  color: var(--dev-ink);
  font-family: var(--mono);
}

.devsec-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 5px;
  border: 1px solid var(--dev-line);
  border-radius: 9px;
  background: var(--dev-panel);
}

.devsec-tabs button {
  min-height: 42px;
  border: 0;
  border-radius: 5px;
  color: var(--dev-muted);
  background: transparent;
  font-weight: 800;
  cursor: pointer;
}

.devsec-tabs button[aria-selected="true"] {
  color: var(--dev-on-accent);
  background: var(--dev-accent);
  box-shadow: 0 4px 12px rgba(8, 126, 120, 0.2);
}

.devsec-tab-controls {
  display: grid;
  grid-template-columns: minmax(180px, 360px);
  gap: 12px;
}

.devsec-diff-summary,
.devsec-dns-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.devsec-diff-summary span,
.devsec-dns-meta span {
  padding: 5px 9px;
  border: 1px solid var(--dev-line);
  border-radius: 999px;
  color: var(--dev-muted);
  background: var(--dev-panel);
  font: 12px var(--mono);
}

.devsec-diff-summary .added {
  color: var(--dev-accent-dark);
  border-color: var(--dev-accent);
}
.devsec-diff-summary .removed {
  color: var(--dev-danger);
  border-color: var(--dev-danger);
}

.devsec-diff-view {
  max-height: 560px;
  overflow: auto;
  border: 1px solid var(--dev-line);
  border-radius: 8px;
  background: var(--dev-paper);
  font: 12px/1.6 var(--mono);
  direction: ltr;
  text-align: start;
}

.devsec-diff-line {
  display: grid;
  grid-template-columns: 50px 50px 22px minmax(0, 1fr);
  min-height: 24px;
  border-block-end: 1px solid
    color-mix(in srgb, var(--dev-line) 65%, transparent);
}

.devsec-diff-line > :where(span, b) {
  padding: 2px 6px;
  color: var(--dev-muted);
  background: var(--dev-panel);
  text-align: end;
  user-select: none;
}

.devsec-diff-line code {
  padding: 2px 9px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.devsec-diff-line.insert code {
  background: color-mix(in srgb, var(--dev-signal) 21%, transparent);
}
.devsec-diff-line.delete code {
  background: color-mix(in srgb, var(--dev-danger) 12%, transparent);
}
.devsec-diff-line.insert b {
  color: var(--dev-accent-dark);
}
.devsec-diff-line.delete b {
  color: var(--dev-danger);
}

.devsec-sensitive summary {
  color: var(--dev-warning);
  font-weight: 800;
  cursor: pointer;
}

.devsec-sensitive[open] summary {
  margin-block-end: 12px;
}
.devsec-sensitive .devsec-pane {
  padding: 0;
  border: 0;
  background: transparent;
}

.devsec-empty,
.devsec-truncated {
  margin: 0;
  padding: 14px;
  color: var(--dev-muted);
  background: var(--dev-panel);
}

.devsec-records {
  padding: 0;
  overflow: hidden;
}
.devsec-records h3 {
  padding: 12px 14px 0;
}
.devsec-records + .devsec-records {
  margin-block-start: 12px;
}
.devsec-records .devsec-table-wrap {
  border: 0;
  border-radius: 0;
}

.devsec-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  min-height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

html[dir="rtl"]
  .devsec-shell
  :where(
    code,
    pre,
    [data-technical-content],
    [data-code-editor],
    [data-code-language]
  ) {
  direction: ltr;
  text-align: start;
  unicode-bidi: isolate;
}

html[dir="rtl"] .devsec-shell textarea[data-natural-language] {
  direction: rtl;
  text-align: start;
  unicode-bidi: plaintext;
}

/* Batch 17 security tools. Keep these selectors scoped to the existing
   developer/security shell so the new tools cannot alter unrelated pages. */
.devsec-b17-code {
  display: grid;
  place-items: center;
  min-height: 116px;
  padding: 20px;
  border: 1px solid var(--dev-line);
  border-radius: 12px;
  color: var(--dev-accent-dark);
  background: var(--dev-panel);
  font: 800 clamp(42px, 9vw, 76px) / 1 var(--mono);
  letter-spacing: 0.08em;
  text-align: center;
}

.devsec-b17-output {
  min-height: 150px;
  max-height: 460px;
  margin: 0;
  padding: 14px;
  overflow: auto;
  border: 1px solid var(--dev-line);
  border-radius: 10px;
  color: var(--dev-ink);
  background: var(--dev-panel);
  font: 13px / 1.65 var(--mono);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

pre.devsec-b17-output {
  min-height: 120px;
}

.devsec-b17-summary {
  min-height: 44px;
  padding: 12px 14px;
  border-inline-start: 4px solid var(--dev-accent);
  color: var(--dev-muted);
  background: var(--dev-panel);
  font: 12px / 1.7 var(--mono);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.devsec-batch17-curl .devsec-pane textarea,
.devsec-batch17-jwk .devsec-pane textarea,
.devsec-batch17-sri .devsec-pane textarea {
  min-height: 190px;
}

.devsec-batch17-file input[type="file"] {
  min-width: min(100%, 320px);
}

@media (max-width: 760px) {
  .devsec-shell {
    padding: 16px;
    border-radius: 12px 4px 12px 4px;
  }
  .devsec-heading,
  .devsec-editor-grid,
  .devsec-audit-grid {
    grid-template-columns: 1fr;
  }
  .devsec-heading {
    align-items: start;
  }
  .devsec-control-row,
  .devsec-regex-controls,
  .devsec-result-grid,
  .devsec-option-grid {
    grid-template-columns: 1fr;
  }
  .devsec-regex-controls fieldset {
    flex-wrap: wrap;
    align-content: flex-start;
  }
  .devsec-actions :where(button, a) {
    flex: 1 1 160px;
  }
  .devsec-tabs {
    grid-template-columns: 1fr;
  }
  .devsec-diff-line {
    grid-template-columns: 38px 38px 18px minmax(0, 1fr);
  }
  .devsec-diff-line > :where(span, b) {
    padding-inline: 3px;
  }

  .devsec-shell :where(button, select, input[type="file"]::file-selector-button) {
    min-height: 44px;
  }

  .devsec-shell .devsec-actions > :where(button, a) {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .devsec-shell *,
  .devsec-shell *::before,
  .devsec-shell *::after {
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}