/* Pythia visual system
   Load after styles.css and ux-simplify.css.
   This file is deliberately presentation-only: no application hooks live here. */

:root {
  color-scheme: dark;
  --pythia-font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Segoe UI", sans-serif;
  --pythia-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --pythia-bg: #07080a;
  --pythia-bg-elevated: #0b0d10;
  --pythia-surface: #111419;
  --pythia-surface-raised: #171b21;
  --pythia-surface-soft: #1d222a;
  --pythia-surface-hover: #232932;
  --pythia-canvas: #090b0e;
  --pythia-border: rgba(255, 255, 255, 0.09);
  --pythia-border-strong: rgba(255, 255, 255, 0.16);
  --pythia-text: #f5f7fa;
  --pythia-text-secondary: #b2bac5;
  --pythia-text-tertiary: #7f8996;
  --pythia-yellow: #ffe600;
  --pythia-yellow-hover: #fff04a;
  --pythia-yellow-soft: rgba(255, 230, 0, 0.1);
  --pythia-red: #ff6b72;
  --pythia-red-soft: rgba(255, 107, 114, 0.1);
  --pythia-green: #69d69a;
  --pythia-green-soft: rgba(105, 214, 154, 0.1);
  --pythia-blue: #73aef6;
  --pythia-blue-soft: rgba(115, 174, 246, 0.1);
  --pythia-amber: #f4bd67;
  --pythia-focus: 0 0 0 3px rgba(255, 230, 0, 0.22);
  --pythia-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.28);
  --pythia-shadow-md: 0 12px 36px rgba(0, 0, 0, 0.24);
  --pythia-shadow-overlay: 0 24px 80px rgba(0, 0, 0, 0.5);
  --pythia-radius-sm: 8px;
  --pythia-radius-md: 12px;
  --pythia-radius-lg: 18px;
  --pythia-page-gutter: clamp(1rem, 2vw, 1.75rem);
  --pythia-card-pad: clamp(1rem, 1.6vw, 1.35rem);
  --pythia-control-height: 44px;
  --pythia-section-gap: 1rem;
  --pythia-row-gap: 0.75rem;
  --pythia-ui-zoom: 1;

  /* Legacy aliases keep every current screen on one palette. */
  --bg: var(--pythia-bg);
  --surface: var(--pythia-surface);
  --surface-raised: var(--pythia-surface-raised);
  --surface-soft: var(--pythia-surface-soft);
  --line: var(--pythia-border);
  --line-strong: var(--pythia-border-strong);
  --text: var(--pythia-text);
  --muted: var(--pythia-text-secondary);
  --muted-2: var(--pythia-text-tertiary);
  --ey-yellow: var(--pythia-yellow);
  --ey-yellow-hover: var(--pythia-yellow-hover);
  --yellow-soft: var(--pythia-yellow-soft);
  --danger: var(--pythia-red);
  --success: var(--pythia-green);
  --info: var(--pythia-blue);
  --warning: var(--pythia-amber);
  --shadow-heavy: var(--pythia-shadow-overlay);
}

:root[data-density="compact"],
body[data-density="compact"],
body.density-compact {
  --pythia-page-gutter: clamp(0.75rem, 1.35vw, 1.15rem);
  --pythia-card-pad: clamp(0.75rem, 1.1vw, 1rem);
  --pythia-control-height: 44px;
  --pythia-section-gap: 0.7rem;
  --pythia-row-gap: 0.5rem;
}

:root[data-density="comfortable"],
body[data-density="comfortable"],
body.density-comfortable {
  --pythia-page-gutter: clamp(1rem, 2vw, 1.75rem);
  --pythia-card-pad: clamp(1rem, 1.6vw, 1.35rem);
  --pythia-control-height: 44px;
  --pythia-section-gap: 1rem;
  --pythia-row-gap: 0.75rem;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  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;
}

:is(input, select, textarea)[aria-invalid="true"] {
  border-color: var(--pythia-red) !important;
  box-shadow: 0 0 0 2px var(--pythia-red-soft), var(--pythia-focus) !important;
}

.skip-link {
  background: var(--pythia-yellow);
  border: 2px solid #111317;
  border-radius: var(--pythia-radius-sm);
  color: #111317;
  font-weight: 800;
  left: 0.75rem;
  min-height: var(--pythia-control-height);
  padding: 0.7rem 1rem;
  position: fixed;
  top: 0.75rem;
  transform: translateY(calc(-100% - 1.5rem));
  transition: transform 160ms ease;
  z-index: 10000;
}

.skip-link:focus,
.skip-link:focus-visible {
  box-shadow: var(--pythia-focus);
  outline: 2px solid #111317;
  outline-offset: 2px;
  transform: translateY(0);
}

html {
  background: var(--pythia-bg);
}

body {
  background: var(--pythia-bg);
  color: var(--pythia-text);
  font-family: var(--pythia-font);
  font-feature-settings: "kern" 1, "liga" 1;
  letter-spacing: -0.006em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  zoom: var(--pythia-ui-zoom);
}

::selection {
  background: rgba(255, 230, 0, 0.25);
  color: var(--pythia-text);
}

* {
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
  scrollbar-width: thin;
}

*::-webkit-scrollbar {
  height: 9px;
  width: 9px;
}

*::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.18);
  border: 2px solid transparent;
  border-radius: 999px;
  background-clip: padding-box;
}

h1,
h2,
h3,
h4,
strong {
  letter-spacing: -0.018em;
}

h1,
h2,
h3,
h4,
p {
  text-wrap: pretty;
}

code,
pre,
kbd,
.architecture-code,
.attack-mermaid-source {
  font-family: var(--pythia-mono);
}

[hidden] {
  display: none !important;
}

/* Calm 72px application rail. */
.app-shell {
  align-items: center;
  background: var(--pythia-surface-raised);
  /* A backdrop filter creates a containing block for fixed descendants and
     would pin the global header controls inside this 72px rail. */
  backdrop-filter: none;
  border: 0;
  border-right: 1px solid var(--pythia-border);
  display: flex;
  height: 72px;
  justify-content: center;
  left: 0;
  padding: 10px;
  position: fixed;
  top: 0;
  width: 72px;
  z-index: 40;
}

.brand-block,
.brand-lockup {
  display: block;
}

.brand-ey-logo {
  display: block;
  height: 46px;
  object-fit: contain;
  width: 46px;
}

.brand-lockup > div,
.brand-block > p {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.header-controls {
  /* The 50px shell leaves room for a 44px interactive target plus the
     segmented-control border and padding. This keeps every global action at
     the platform's touch target without making the controls look oversized. */
  --pythia-header-control-height: 50px;
  align-items: center;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: 0.5rem;
  position: fixed;
  right: 1rem;
  top: 5px;
  z-index: 42;
}

.header-controls > :not([hidden]) {
  box-sizing: border-box;
  flex: 0 0 auto;
}

.language-control {
  align-items: center;
  background: var(--pythia-surface-raised);
  border: 1px solid var(--pythia-border-strong);
  border-radius: 999px;
  color: var(--pythia-text-secondary);
  display: inline-flex;
  font-size: 0.72rem;
  font-weight: 700;
  gap: 0.45rem;
  height: var(--pythia-header-control-height);
  line-height: 1;
  min-height: var(--pythia-header-control-height);
  padding: 0.2rem 0.3rem 0.2rem 0.65rem;
  position: relative;
  white-space: nowrap;
  word-break: keep-all;
}

.language-control > span {
  align-items: center;
  display: inline-flex;
  line-height: 1;
  min-height: 30px;
  white-space: nowrap;
}

.language-control select {
  appearance: none;
  background: var(--pythia-surface-raised);
  border: 1px solid var(--pythia-border);
  border-radius: 999px;
  color: var(--pythia-text);
  cursor: pointer;
  font: inherit;
  height: 44px;
  line-height: 1.2;
  min-height: 44px;
  padding: 0.25rem 1.7rem 0.25rem 0.65rem;
  white-space: nowrap;
  width: auto;
  word-break: keep-all;
}

.language-control::after {
  color: var(--pythia-text-tertiary);
  content: "⌄";
  font-size: 0.72rem;
  inset-inline-end: 0.72rem;
  line-height: 1;
  pointer-events: none;
  position: absolute;
  top: 50%;
  transform: translateY(-55%);
}

.language-control select:focus-visible {
  border-color: var(--pythia-yellow);
  box-shadow: var(--pythia-focus);
  outline: none;
}

/* Simplified Chinese needs a larger optical size than Latin UI text at the
   same nominal rem value. Keep English at the 16px application baseline and
   enlarge only the Chinese edition, including the shared diagram viewer. */
html[data-locale="zh-CN"] {
  /* Scale Chinese text up on roomy screens while preserving fit on tablets
     and smaller windows. The 20px floor keeps dense UI legible; 22px is the
     comfortable reading size for long-form findings. */
  font-size: clamp(20px, calc(19px + 0.22vw), 22px);
  line-break: strict;
  word-break: normal;
}

html[data-locale="zh-CN"] body {
  font-family: "Microsoft YaHei UI", "PingFang SC", "Noto Sans CJK SC", var(--pythia-font);
  letter-spacing: 0;
  line-height: 1.55;
}

html[data-locale="zh-CN"] :is(h1, h2, h3, h4) {
  line-height: 1.3;
}

html[data-locale="zh-CN"] :where(p, li, dd, blockquote) {
  line-height: 1.7;
}

html[data-locale="zh-CN"] :is(button, input, select, textarea) {
  font-family: inherit;
  line-height: 1.45;
}

html[data-locale="zh-CN"] :where(label, summary, dt, th, td) {
  line-height: 1.45;
}

html[data-locale="zh-CN"] :where(
  .case-ribbon span,
  .pythia-threat-context-highlight span,
  .threat-context-group-card span,
  small,
  dt,
  em
) {
  font-size: max(0.65rem, 14px);
}

html[data-locale="zh-CN"] .optional-context-card summary::after,
html[data-locale="zh-CN"] .advanced-evidence-options summary::after,
html[data-locale="zh-CN"] .assurance-utilities summary::after {
  content: "展开";
}

html[data-locale="zh-CN"] .optional-context-card[open] summary::after,
html[data-locale="zh-CN"] .advanced-evidence-options[open] summary::after,
html[data-locale="zh-CN"] .assurance-utilities[open] summary::after {
  content: "收起";
}

.app-nav {
  background: var(--pythia-surface-raised);
  border: 0;
  border-right: 1px solid var(--pythia-border);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  height: calc(100vh - 72px);
  left: 0;
  overflow: visible;
  padding: 0.65rem;
  position: fixed;
  top: 72px;
  width: 72px;
  z-index: 39;
}

.nav-primary-group {
  display: grid;
  gap: 0.5rem;
}

.nav-button {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--pythia-radius-md);
  color: var(--pythia-text-tertiary);
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  min-height: 48px;
  padding: 3px;
  width: 48px;
}

.nav-button > span:last-child {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.nav-icon {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: 10px;
  color: currentColor;
  display: inline-flex;
  font-size: 0.67rem;
  font-weight: 760;
  height: 38px;
  justify-content: center;
  letter-spacing: 0.02em;
  width: 38px;
}

.nav-button:hover,
.nav-button.active {
  background: var(--pythia-surface-hover);
  border-color: transparent;
  color: var(--pythia-text);
  transform: none;
}

.nav-button.active {
  box-shadow: inset 3px 0 0 var(--pythia-yellow);
}

.nav-button.active .nav-icon {
  background: var(--pythia-yellow-soft);
  color: var(--pythia-yellow);
}

.nav-advanced-group {
  background: transparent;
  border: 0;
  border-radius: var(--pythia-radius-md);
  margin: 0;
  overflow: visible;
  position: relative;
}

.nav-advanced-group > summary {
  align-items: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--pythia-radius-md);
  color: var(--pythia-text-tertiary);
  display: flex;
  height: 48px;
  justify-content: center;
  padding: 0;
  width: 48px;
}

.nav-advanced-group > summary::before {
  content: "•••";
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.nav-advanced-group > summary::after,
.nav-advanced-group > summary > span,
.nav-advanced-group > summary > small {
  display: none;
}

.nav-advanced-group > summary:hover,
.nav-advanced-group[open] > summary,
.nav-advanced-group:has(.nav-button.active) > summary {
  background: var(--pythia-surface-hover);
  color: var(--pythia-yellow);
}

.nav-advanced-items {
  background: var(--pythia-surface-raised);
  border: 1px solid var(--pythia-border-strong);
  border-radius: var(--pythia-radius-lg);
  box-shadow: var(--pythia-shadow-overlay);
  display: none;
  gap: 0.25rem;
  left: 58px;
  min-width: 224px;
  padding: 0.5rem;
  bottom: 12px;
  max-height: calc(100vh - 96px);
  overflow-y: auto;
  position: fixed;
  top: auto;
}

.nav-advanced-group[open] .nav-advanced-items {
  display: grid;
}

.nav-advanced-items .nav-button {
  gap: 0.7rem;
  grid-template-columns: 34px minmax(0, 1fr);
  justify-items: start;
  min-height: 42px;
  padding: 0.3rem 0.55rem;
  text-align: left;
  width: 100%;
}

.nav-advanced-items .nav-button > span:last-child {
  clip: auto;
  clip-path: none;
  height: auto;
  overflow: visible;
  position: static;
  white-space: normal;
  width: auto;
}

.nav-advanced-items .nav-icon {
  height: 32px;
  width: 32px;
}

.nav-trust-card {
  display: none;
}

/* Quiet command strip and contextual case bar. */
.status-strip {
  align-items: center;
  backdrop-filter: blur(18px) saturate(120%);
  background: var(--pythia-surface-raised);
  border-bottom: 1px solid var(--pythia-border);
  display: flex;
  gap: 1rem;
  height: 56px;
  margin-left: 72px;
  padding: 0.65rem min(42vw, 520px) 0.65rem var(--pythia-page-gutter);
  position: sticky;
  top: 0;
  width: calc(100% - 72px);
  z-index: 35;
}

.status-strip #status {
  color: var(--pythia-text-secondary);
  font-size: 0.82rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-strip #result-meta {
  color: var(--pythia-text-tertiary);
  font-size: 0.75rem;
  margin-left: auto;
}

.status-pill {
  align-items: center;
  background: var(--pythia-surface-raised);
  border: 1px solid var(--pythia-border);
  border-radius: 999px;
  color: var(--pythia-text-secondary);
  display: inline-flex;
  font-size: 0.72rem;
  height: var(--pythia-header-control-height);
  line-height: 1;
  min-height: var(--pythia-header-control-height);
  padding: 0.3rem 0.7rem;
  white-space: nowrap;
}

.status-pill.online {
  border-color: rgba(105, 214, 154, 0.28);
  color: var(--pythia-green);
}

.auth-session-status {
  align-items: center;
  background: var(--pythia-surface-raised);
  border: 1px solid var(--pythia-border);
  border-radius: 999px;
  color: var(--pythia-text-secondary);
  display: inline-flex;
  font-size: 0.72rem;
  gap: 0.45rem;
  height: var(--pythia-header-control-height);
  max-width: 18rem;
  padding: 0.25rem 0.35rem 0.25rem 0.65rem;
  white-space: nowrap;
}

.auth-session-indicator {
  background: var(--pythia-text-tertiary);
  border-radius: 50%;
  flex: 0 0 auto;
  height: 0.48rem;
  width: 0.48rem;
}

.auth-session-status[data-state="active"] {
  border-color: rgba(105, 214, 154, 0.28);
  color: var(--pythia-green);
}

.auth-session-status[data-state="active"] .auth-session-indicator {
  background: var(--pythia-green);
}

.auth-session-status[data-state="required"],
.auth-session-status[data-state="denied"] {
  border-color: rgba(255, 176, 72, 0.4);
  color: var(--pythia-amber);
}

.auth-session-status[data-state="required"] .auth-session-indicator,
.auth-session-status[data-state="denied"] .auth-session-indicator {
  background: var(--pythia-amber);
}

.auth-session-action {
  background: transparent;
  border: 0;
  border-left: 1px solid var(--pythia-border);
  color: inherit;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  min-height: 1.75rem;
  padding: 0 0.4rem 0 0.55rem;
}

.auth-session-action:focus-visible {
  border-radius: 0.35rem;
  outline: 2px solid var(--pythia-cyan);
  outline-offset: 1px;
}

.density-control {
  align-items: center;
  background: var(--pythia-surface-raised);
  border: 1px solid var(--pythia-border);
  border-radius: 999px;
  display: flex;
  gap: 2px;
  height: var(--pythia-header-control-height);
  min-height: var(--pythia-header-control-height);
  padding: 2px;
}

.density-option {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: 999px;
  color: var(--pythia-text-tertiary);
  display: inline-flex;
  font-size: 0.7rem;
  height: 44px;
  justify-content: center;
  line-height: 1;
  min-height: 44px;
  padding: 0.25rem 0.58rem;
  white-space: nowrap;
  word-break: keep-all;
}

.density-option[aria-pressed="true"] {
  background: var(--pythia-surface-hover);
  color: var(--pythia-text);
  box-shadow: var(--pythia-shadow-sm);
}

.zoom-control {
  align-items: center;
  background: var(--pythia-surface-raised);
  border: 1px solid var(--pythia-border);
  border-radius: 999px;
  display: inline-flex;
  gap: 2px;
  height: var(--pythia-header-control-height);
  min-height: var(--pythia-header-control-height);
  padding: 2px;
}

.zoom-button,
.zoom-value {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: 999px;
  color: var(--pythia-text-secondary);
  display: inline-flex;
  font-size: max(0.72rem, 14px);
  font-weight: 750;
  height: 44px;
  justify-content: center;
  line-height: 1;
  min-height: 44px;
  padding: 0;
}

.zoom-button {
  min-width: 44px;
  width: 44px;
}

.zoom-value {
  color: var(--pythia-text);
  min-width: 50px;
  padding-inline: 0.35rem;
}

.zoom-button:hover:not(:disabled),
.zoom-value:hover {
  background: var(--pythia-surface-hover);
  color: var(--pythia-yellow);
}

.zoom-button:focus-visible,
.zoom-value:focus-visible {
  box-shadow: var(--pythia-focus);
  outline: none;
}

.zoom-button:disabled {
  cursor: not-allowed;
  opacity: 0.35;
}

.text-spacing-control {
  align-items: center;
  background: var(--pythia-surface-raised);
  border: 1px solid var(--pythia-border);
  border-radius: 999px;
  display: inline-flex;
  height: var(--pythia-header-control-height);
  min-height: var(--pythia-header-control-height);
  padding: 2px;
}

.text-spacing-toggle {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: 999px;
  color: var(--pythia-text-secondary);
  display: inline-flex;
  font-size: max(0.72rem, 14px);
  font-weight: 800;
  height: 44px;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0;
  width: 44px;
}

.text-spacing-toggle:hover,
.text-spacing-toggle[aria-pressed="true"] {
  background: var(--pythia-surface-hover);
  color: var(--pythia-yellow);
}

.text-spacing-toggle:focus-visible {
  box-shadow: var(--pythia-focus);
  outline: none;
}

/* WCAG 2.2 SC 1.4.12 reference values, exposed as a persistent user setting. */
:root[data-text-spacing="enhanced"] body,
:root[data-text-spacing="enhanced"] body * {
  letter-spacing: 0.12em !important;
  line-height: 1.5 !important;
  word-spacing: 0.16em !important;
}

:root[data-text-spacing="enhanced"] p {
  margin-bottom: 2em !important;
}

:root[data-text-spacing="enhanced"] .pythia-shared-path-control > strong {
  overflow: visible;
  overflow-wrap: anywhere;
  text-overflow: clip;
  white-space: normal;
}

/* Keep every global action reachable when 150% interface zoom magnifies the fixed header row. */
:root[data-interface-zoom="150"] :is(.status-pill, .density-control) {
  display: none;
}

/*
 * At 200% and 400%, CSS zoom produces effective layout widths of 640px and
 * 320px in the 1280px validation viewport without changing media-query
 * evaluation. These rules mirror the application's narrow reflow contract.
 */
:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) :is(
  .status-pill,
  .density-control,
  .brand-block > p,
  .nav-trust-card
) {
  display: none;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) :is(
  .app-shell,
  .app-nav,
  .status-strip,
  .case-ribbon,
  .workbench,
  footer
) {
  box-sizing: border-box;
  margin-left: 0;
  max-width: 100%;
  min-width: 0;
  width: 100%;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .app-shell {
  height: auto;
  padding: 0.65rem;
  position: static;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .brand-block {
  width: 100%;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .brand-lockup {
  min-width: 0;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .header-controls {
  align-items: stretch;
  display: grid;
  gap: 0.4rem;
  grid-template-columns: 1fr;
  position: static;
  width: 100%;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .header-controls > :not([hidden]) {
  justify-content: center;
  max-width: 100%;
  min-width: 0;
  width: 100%;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) :is(
  .command-palette-trigger,
  .zoom-control,
  .text-spacing-control,
  .language-control,
  .auth-session-status
) {
  border-radius: 12px;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .language-control select {
  flex: 1 1 auto;
  min-width: 0;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .app-nav {
  align-items: stretch;
  border-bottom: 1px solid var(--pythia-border);
  border-right: 0;
  flex-direction: column;
  height: auto;
  overflow: visible;
  padding: 0.45rem;
  position: static;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .nav-primary-group {
  display: grid;
  flex: none;
  grid-template-columns: minmax(0, 1fr);
  min-width: 0;
  width: 100%;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .nav-button {
  gap: 0.6rem;
  grid-template-columns: 34px minmax(0, 1fr);
  justify-items: start;
  min-width: 0;
  padding: 0.3rem 0.55rem;
  text-align: left;
  width: 100%;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .nav-button > span:last-child {
  clip: auto;
  clip-path: none;
  height: auto;
  overflow: visible;
  position: static;
  white-space: normal;
  width: auto;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .nav-advanced-group {
  flex: none;
  min-width: 0;
  width: 100%;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .nav-advanced-group > summary {
  gap: 0.5rem;
  height: auto;
  justify-content: flex-start;
  min-height: 44px;
  padding: 0.35rem 0.55rem;
  width: 100%;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .nav-advanced-group > summary::before {
  display: none;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .nav-advanced-group > summary > :is(span, small) {
  display: block;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .nav-advanced-items {
  bottom: auto;
  box-shadow: none;
  left: auto;
  max-height: none;
  min-width: 0;
  overflow: visible;
  position: static;
  top: auto;
  width: 100%;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) :is(
  .status-strip,
  .case-ribbon
) {
  position: static;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .status-strip {
  align-items: stretch;
  flex-direction: column;
  padding: 0.65rem;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .status-strip span {
  white-space: normal;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .case-ribbon {
  grid-template-columns: 1fr;
  padding: 0.65rem;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) :is(
  .case-ribbon-metrics,
  .case-ribbon-actions
) {
  align-items: stretch;
  flex-direction: column;
  grid-template-columns: minmax(0, 1fr);
  max-width: 100%;
  min-width: 0;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .case-ribbon-metrics > div {
  max-width: 100%;
  min-width: 0;
  width: 100%;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .case-ribbon-actions button {
  max-width: 100%;
  min-width: 0;
  white-space: normal;
  width: 100%;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .workbench {
  padding: 0.65rem;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .assessor-hero {
  align-items: stretch;
  flex-direction: column;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) .assessment-gate-badge {
  max-width: 100%;
  min-width: 0;
  width: 100%;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) main :is(
  [class*="-grid"],
  [class*="-card"],
  [class*="-form"],
  [class*="-hero"],
  [class*="-panel"],
  [class*="-toolbar"],
  [class*="-summary"],
  [class*="-layout"],
  [class*="-row"],
  [class*="-metrics"],
  [class*="-fields"],
  [class*="-controls"],
  [class*="-flow"],
  [class*="-list"],
  [class*="-stages"],
  [class*="-status"],
  [class*="-review"],
  [class*="-filters"],
  [class*="-pagination"],
  .checklist-item-body,
  .audit-event,
  .report-export-actions,
  .coverage-layer-filters > div
) {
  grid-template-columns: minmax(0, 1fr) !important;
  max-width: 100%;
  min-width: 0;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) main :is(
  [class*="-grid"],
  [class*="-card"],
  [class*="-form"],
  [class*="-hero"],
  [class*="-panel"],
  [class*="-toolbar"],
  [class*="-summary"],
  [class*="-layout"],
  [class*="-row"],
  [class*="-metrics"],
  [class*="-fields"],
  [class*="-controls"],
  [class*="-flow"],
  [class*="-list"],
  [class*="-stages"],
  [class*="-status"],
  [class*="-review"],
  [class*="-filters"],
  [class*="-pagination"],
  .checklist-item-body,
  .audit-event,
  .report-export-actions,
  .coverage-layer-filters > div
) > * {
  grid-column: auto !important;
  max-width: 100%;
  min-width: 0;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) main :is(
  .section-title,
  [class*="-header"],
  [class*="-heading"],
  [class*="-actions"],
  [class*="-controls"],
  [class*="-pagination"]
) {
  align-items: stretch;
  flex-direction: column;
  flex-wrap: wrap;
  max-width: 100%;
  min-width: 0;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) main :is(
  [class*="-actions"],
  [class*="-controls"],
  [class*="-pagination"]
) > :is(button, select, label) {
  width: 100%;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) main :is(
  p,
  h1,
  h2,
  h3,
  h4,
  h5,
  h6,
  em,
  small,
  strong,
  span,
  li,
  dd,
  dt,
  code,
  pre,
  a,
  label,
  summary
) {
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) main summary {
  align-items: stretch;
  flex-direction: column;
  flex-wrap: nowrap;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) main summary > * {
  max-width: 100%;
  min-width: 0;
  overflow-wrap: anywhere;
  white-space: normal;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) main :is(
  input:not([type="checkbox"]):not([type="radio"]),
  select,
  textarea,
  button
) {
  max-width: 100%;
  min-width: 0;
  white-space: normal;
}

:where(:root[data-interface-zoom="200"], :root[data-interface-zoom="400"]) main :is(
  .view-panel,
  .section-card,
  section,
  article,
  form,
  fieldset,
  details
) {
  max-width: 100%;
  min-width: 0;
}

.command-palette-trigger {
  align-items: center;
  background: var(--pythia-surface-raised);
  border-color: var(--pythia-border);
  color: var(--pythia-text-secondary);
  display: inline-flex;
  font-size: 0.72rem;
  gap: 0.65rem;
  height: var(--pythia-header-control-height);
  line-height: 1;
  min-height: var(--pythia-header-control-height);
  min-width: 44px;
  padding: 0.35rem 0.5rem 0.35rem 0.7rem;
  white-space: nowrap;
  word-break: keep-all;
}

.command-palette-trigger > span,
.command-palette-trigger kbd {
  line-height: 1.2;
  white-space: nowrap;
}

kbd {
  background: var(--pythia-bg-elevated);
  border: 1px solid var(--pythia-border);
  border-radius: 6px;
  color: var(--pythia-text-tertiary);
  font-size: 0.68rem;
  padding: 0.18rem 0.38rem;
}

.case-ribbon {
  align-items: center;
  background: var(--pythia-bg-elevated);
  border-bottom: 1px solid var(--pythia-border);
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  margin-left: 72px;
  padding: 0.72rem var(--pythia-page-gutter);
  position: sticky;
  top: 56px;
  width: calc(100% - 72px);
  z-index: 30;
}

.case-ribbon-main {
  border: 0;
  padding: 0;
}

.case-ribbon-main span,
.case-ribbon-metrics span {
  color: var(--pythia-text-tertiary);
  font-size: 0.64rem;
  letter-spacing: 0.075em;
}

.case-ribbon-main strong {
  color: var(--pythia-text);
  font-size: 0.92rem;
  margin-top: 0.16rem;
}

.case-ribbon-metrics {
  display: flex;
  gap: 0.4rem;
}

.case-ribbon-metrics > div {
  background: transparent;
  border: 0;
  border-left: 1px solid var(--pythia-border);
  border-radius: 0;
  min-width: 88px;
  padding: 0 0.7rem;
}

.case-ribbon-metrics strong {
  color: var(--pythia-text-secondary);
  font-size: 0.78rem;
}

.case-ribbon-actions .ghost-button {
  display: none;
}

.case-ribbon-actions #quick-run-analysis {
  display: inline-flex;
}

.workbench {
  margin-left: 72px;
  max-width: none;
  min-height: calc(100vh - 112px);
  padding: var(--pythia-page-gutter);
  width: calc(100% - 72px);
}

/* Page titles, actions, and content rhythm. */
.view-panel.active {
  animation: pythia-view-in 180ms ease-out both;
}

:where(
  .dashboard-hero,
  .analysis-hero,
  .architecture-hero,
  .pipeline-hero,
  .review-hero,
  .decision-hero,
  .insight-hero
) {
  align-items: end;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--pythia-border);
  border-radius: 0;
  box-shadow: none;
  display: flex;
  gap: 1.5rem;
  justify-content: space-between;
  margin: 0 0 var(--pythia-section-gap);
  min-height: 0;
  padding: 0.25rem 0 1.1rem;
}

:where(
  .dashboard-hero,
  .analysis-hero,
  .architecture-hero,
  .pipeline-hero,
  .review-hero,
  .decision-hero,
  .insight-hero
) h2 {
  font-size: clamp(1.45rem, 2.6vw, 2.15rem);
  font-weight: 680;
  line-height: 1.12;
}

:where(
  .dashboard-hero,
  .analysis-hero,
  .architecture-hero,
  .pipeline-hero,
  .review-hero,
  .decision-hero,
  .insight-hero
) p {
  color: var(--pythia-text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  max-width: 760px;
}

.ey-kicker {
  color: var(--pythia-yellow);
  font-size: 0.67rem;
  font-weight: 760;
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.section-title,
.controls-panel-header,
.review-card-header,
.pipeline-stage-header,
.architecture-component-header,
.ip-map-header {
  align-items: flex-start;
  border-color: var(--pythia-border);
  gap: 1rem;
}

.section-title h2,
.controls-panel-header h2,
.ip-map-header h2 {
  font-weight: 650;
}

.section-title p,
.ip-map-header p {
  color: var(--pythia-text-secondary);
  line-height: 1.48;
}

.action-bar,
.command-actions,
.case-ribbon-actions,
.diagram-frame-actions,
.html-diagram-toolbar,
.attack-mermaid-actions,
.architecture-canvas-toolbar,
.architecture-zoom-controls,
.review-toolbar,
.risk-toolbar,
.ip-map-toolbar {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

/* Surfaces: one boundary per conceptual group, not per line of data. */
:where(
  .section-card,
  .guided-start-panel,
  .dashboard-disclosure,
  .assurance-utilities,
  .analysis-workspace-card,
  .architecture-workspace-card,
  .pipeline-workspace-card,
  .review-workspace-card,
  .decision-card,
  .triage-card,
  .utility-card,
  .modal-card,
  .command-palette-card
) {
  background: var(--pythia-surface);
  border: 1px solid var(--pythia-border);
  border-radius: var(--pythia-radius-lg);
  box-shadow: var(--pythia-shadow-sm);
}

:where(
  .section-card,
  .guided-start-panel,
  .analysis-workspace-card,
  .architecture-workspace-card,
  .pipeline-workspace-card,
  .review-workspace-card,
  .decision-card,
  .triage-card,
  .utility-card
) {
  padding: var(--pythia-card-pad);
}

:where(
  .section-card,
  .guided-start-panel,
  .analysis-workspace-card,
  .architecture-workspace-card,
  .pipeline-workspace-card,
  .review-workspace-card,
  .decision-card,
  .triage-card
) :where(
  .dashboard-card,
  .surface-lens,
  .pipeline-detail-card,
  .architecture-action-card,
  .review-action-card,
  .decision-option-card,
  .pythia-stage-semantics article
) {
  background: var(--pythia-surface-raised);
  border-color: transparent;
  box-shadow: none;
}

.dashboard-metrics,
.dashboard-grid,
.decision-grid,
.decision-intelligence-grid,
.decision-option-grid,
.pipeline-detail-grid,
.review-grid,
.assurance-utility-grid,
.quality-grid,
.methodology-grid {
  gap: var(--pythia-row-gap);
}

.dashboard-metric,
.exposure-metric,
.metric,
.decision-readiness-grid > *,
.architecture-summary > * {
  background: var(--pythia-surface);
  border: 1px solid var(--pythia-border);
  border-radius: var(--pythia-radius-md);
  box-shadow: none;
}

/* Buttons and form controls. */
button,
input,
select,
textarea {
  font-family: inherit;
}

button {
  border-radius: 10px;
  min-height: var(--pythia-control-height);
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease, box-shadow 140ms ease;
}

input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]),
select {
  min-height: var(--pythia-control-height);
}

.action-bar button,
.tab-button,
.surface-choice-buttons button {
  min-height: var(--pythia-control-height);
}

details > summary {
  min-height: var(--pythia-control-height);
}

.checklist-item-body a.full,
.threat-context-techniques a,
.threat-context-group-card > a,
.mitre-chipset a {
  align-items: center;
  display: inline-flex;
  min-height: var(--pythia-control-height);
}

button:hover {
  transform: none;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  box-shadow: var(--pythia-focus);
  outline: 2px solid var(--pythia-yellow);
  outline-offset: 2px;
}

#select-folder,
#fetch-web-intel,
#submit-btn,
#quick-run-analysis,
#dashboard-run-analysis,
#load-sample-case,
#modal-ok {
  background: var(--pythia-yellow);
  border-color: var(--pythia-yellow);
  color: #111317;
}

#select-folder:hover,
#fetch-web-intel:hover,
#submit-btn:hover,
#quick-run-analysis:hover,
#dashboard-run-analysis:hover,
#load-sample-case:hover,
#modal-ok:hover {
  background: var(--pythia-yellow-hover);
  border-color: var(--pythia-yellow-hover);
}

.ghost-button,
.compact-action,
.mode-toggle {
  background: transparent;
  border-color: var(--pythia-border-strong);
  color: var(--pythia-text-secondary);
}

.ghost-button:hover,
.compact-action:hover,
.mode-toggle:hover {
  background: var(--pythia-surface-hover);
  border-color: var(--pythia-border-strong);
  color: var(--pythia-text);
}

.compact-action {
  border-radius: var(--pythia-radius-sm);
  font-size: 0.76rem;
  min-height: 44px;
  min-width: 44px;
  padding: 0.35rem 0.62rem;
}

.compact-action.active,
.compact-action[aria-pressed="true"],
.architecture-view-button.active,
.tab-button.active {
  background: var(--pythia-yellow-soft);
  border-color: rgba(255, 230, 0, 0.35);
  color: var(--pythia-yellow);
}

input[type="text"],
input[type="search"],
input[type="date"],
textarea,
select {
  background-color: var(--pythia-bg-elevated);
  border-color: var(--pythia-border-strong);
  border-radius: 10px;
  color: var(--pythia-text);
  min-height: var(--pythia-control-height);
}

input[type="text"]:focus,
input[type="search"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
  background-color: var(--pythia-surface-raised);
  border-color: rgba(255, 230, 0, 0.55);
  box-shadow: var(--pythia-focus);
}

label {
  color: var(--pythia-text-secondary);
  font-size: 0.8rem;
  font-weight: 620;
}

/* Unified badges and semantic states. */
:where(
  .status-pill,
  .risk-pill,
  .decision-pill,
  .confidence-chip,
  .validation-badge,
  .pipeline-status-pill,
  .control-status,
  .sensitive-chip
) {
  background: var(--pythia-surface-soft);
  border: 1px solid var(--pythia-border);
  border-radius: 999px;
  color: var(--pythia-text-secondary);
  font-size: 0.7rem;
  font-weight: 680;
  letter-spacing: 0.01em;
  padding: 0.28rem 0.55rem;
  text-transform: none;
  white-space: nowrap;
}

:where(.critical, .high, .failed, .blocked, .hold) :where(.risk-pill, .decision-pill, .validation-badge, .pipeline-status-pill),
:where(.risk-pill, .decision-pill, .validation-badge, .pipeline-status-pill).critical,
:where(.risk-pill, .decision-pill, .validation-badge, .pipeline-status-pill).high {
  background: var(--pythia-red-soft);
  border-color: rgba(255, 107, 114, 0.24);
  color: var(--pythia-red);
}

:where(.complete, .covered, .ready, .proceed) :where(.decision-pill, .validation-badge, .pipeline-status-pill, .control-status),
:where(.decision-pill, .validation-badge, .pipeline-status-pill, .control-status).complete {
  background: var(--pythia-green-soft);
  border-color: rgba(105, 214, 154, 0.24);
  color: var(--pythia-green);
}

/* Progressive disclosure keeps supporting evidence out of the primary scan. */
details {
  scroll-margin-top: 8rem;
}

:where(
  .dashboard-disclosure,
  .assurance-utilities,
  .optional-context-card,
  .advanced-evidence-options,
  .ip-route-relationships
) > summary {
  border-radius: inherit;
  color: var(--pythia-text-secondary);
  cursor: pointer;
  list-style: none;
  min-height: 44px;
}

:where(
  .dashboard-disclosure,
  .assurance-utilities,
  .optional-context-card,
  .advanced-evidence-options,
  .attack-ui-section,
  .pythia-detailed-path,
  .attack-mermaid-source-details,
  .ip-route-relationships
) > summary::-webkit-details-marker {
  display: none;
}

:where(
  .dashboard-disclosure,
  .assurance-utilities,
  .optional-context-card,
  .advanced-evidence-options,
  .attack-ui-section,
  .pythia-detailed-path,
  .attack-mermaid-source-details,
  .ip-route-relationships
)[open] > summary {
  border-bottom-color: var(--pythia-border);
  color: var(--pythia-text);
}

/* Risk evidence and architecture canvases. */
.ip-vulnerability-workspace {
  gap: var(--pythia-section-gap);
}

.pythia-workspace-mode-switch {
  background: var(--pythia-bg-elevated);
  border-color: var(--pythia-border);
  border-radius: var(--pythia-radius-md);
  gap: 3px;
  padding: 3px;
}

.pythia-workspace-mode-switch button {
  border: 0;
  border-radius: 9px;
  min-height: 50px;
}

.pythia-workspace-mode-switch button:hover,
.pythia-workspace-mode-switch button:focus-visible {
  background: var(--pythia-surface-raised);
  border-color: transparent;
}

.pythia-workspace-mode-switch button.active,
.pythia-workspace-mode-switch button[aria-selected="true"] {
  background: var(--pythia-surface-hover);
  border-color: transparent;
  box-shadow: inset 0 -2px 0 var(--pythia-yellow);
}

.ip-map-visual,
.architecture-canvas-panel {
  background: var(--pythia-canvas);
  border: 1px solid var(--pythia-border);
  border-radius: var(--pythia-radius-lg);
  box-shadow: none;
  overflow: hidden;
}

.ip-map-toolbar,
.html-diagram-toolbar,
.architecture-canvas-toolbar,
.pythia-canvas-toolbar {
  backdrop-filter: blur(16px);
  background: var(--pythia-surface-raised);
  border-color: var(--pythia-border);
}

.ip-map-toolbar,
.html-diagram-toolbar,
.pythia-canvas-toolbar,
.architecture-canvas-toolbar {
  min-height: 48px;
  padding: 0.48rem 0.62rem;
}

.ip-map-scroll,
.architecture-canvas {
  background-color: var(--pythia-canvas);
  overscroll-behavior: contain;
}

.ip-vulnerability-canvas,
.ip-layered-map {
  background-color: var(--pythia-canvas);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.026) 1px, transparent 1px);
  background-size: 40px 40px;
}

.ip-evidence-node {
  background: var(--pythia-surface-raised);
  border: 1px solid var(--pythia-border-strong);
  border-radius: 14px;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.2);
  color: var(--pythia-text);
}

.ip-evidence-node:hover,
.ip-evidence-node:focus-visible,
.ip-evidence-node.active,
.ip-evidence-node.is-active-route {
  background: var(--pythia-surface-hover);
  border-color: rgba(255, 230, 0, 0.46);
  box-shadow: 0 0 0 3px rgba(255, 230, 0, 0.08), 0 10px 28px rgba(0, 0, 0, 0.28);
}

.ip-node-secondary,
.ip-node-detail {
  color: var(--pythia-text-tertiary);
}

.ip-node-heading b,
.ip-evidence-node > strong {
  color: var(--pythia-text);
  font-weight: 650;
}

.pythia-threat-context-icon {
  background: var(--pythia-surface-soft);
  border-color: var(--pythia-border);
  color: var(--pythia-yellow);
}

.ip-map-edge {
  opacity: 0.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ip-map-edge.is-active-route {
  opacity: 1;
  stroke: var(--pythia-yellow);
}

.ip-map-edge-label {
  color: var(--pythia-text-tertiary);
  fill: var(--pythia-text-tertiary);
  font-size: 0.75rem;
  font-weight: 620;
}

.ip-map-edge-label {
  opacity: 0;
  pointer-events: none;
}

.ip-map-edge:hover + .ip-map-edge-label,
.ip-map-edge.is-traveling + .ip-map-edge-label {
  opacity: 1;
}

.ip-map-lane {
  background: rgba(255, 255, 255, 0.018);
  border-color: rgba(255, 255, 255, 0.06);
}

.ip-map-lane > span,
.ip-map-lane > small,
.ip-map-legend {
  color: var(--pythia-text-tertiary);
}

.ip-evidence-detail {
  background: var(--pythia-surface-raised);
  border: 1px solid var(--pythia-border-strong);
  border-radius: var(--pythia-radius-lg);
  box-shadow: var(--pythia-shadow-overlay);
}

.ip-evidence-detail section,
.ip-evidence-detail dl div {
  background: var(--pythia-surface-raised);
  border-color: transparent;
  border-radius: var(--pythia-radius-md);
}

.ip-route-relationships {
  background: var(--pythia-bg-elevated);
  border-color: var(--pythia-border);
  border-radius: var(--pythia-radius-md);
}

.ip-route-relationships li {
  background: transparent;
  border-color: var(--pythia-border);
}

.diagram-render-unavailable,
.empty-state,
.architecture-empty-state,
.review-empty {
  background: var(--pythia-bg-elevated);
  border: 1px dashed var(--pythia-border-strong);
  border-radius: var(--pythia-radius-md);
  color: var(--pythia-text-secondary);
}

/* Four-stage model progress. */
.model-progress {
  backdrop-filter: blur(22px) saturate(130%);
  background: var(--pythia-surface-raised);
  border: 1px solid var(--pythia-border-strong);
  border-radius: var(--pythia-radius-lg);
  bottom: 1.25rem;
  box-shadow: var(--pythia-shadow-overlay);
  left: calc(50% + 36px);
  max-width: calc(100vw - 112px);
  padding: 0.9rem;
  position: fixed;
  transform: translateX(-50%);
  width: min(720px, calc(100vw - 112px));
  z-index: 1000;
}

.model-progress-heading {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.model-progress-heading > div {
  display: grid;
  gap: 0.12rem;
}

.model-progress-heading strong {
  color: var(--pythia-text);
  font-size: 0.9rem;
}

#model-progress-count {
  color: var(--pythia-text-tertiary);
  font-size: 0.75rem;
}

.model-progress-stages {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}

.model-progress-stages li {
  display: grid;
  gap: 0.12rem;
  min-width: 0;
  padding: 0.62rem 0.7rem 0.52rem 1.15rem;
  position: relative;
}

.model-progress-stages li::before {
  background: var(--pythia-surface-soft);
  border: 2px solid var(--pythia-border-strong);
  border-radius: 50%;
  content: "";
  height: 9px;
  left: 0;
  position: absolute;
  top: 0.82rem;
  width: 9px;
  z-index: 1;
}

.model-progress-stages li:not(:last-child)::after {
  background: var(--pythia-border-strong);
  content: "";
  height: 1px;
  left: 9px;
  position: absolute;
  right: -1px;
  top: 1.11rem;
}

.model-progress-stages li > span {
  color: var(--pythia-text-tertiary);
  font-size: 0.62rem;
  font-weight: 720;
  letter-spacing: 0.06em;
}

.model-progress-stages li > strong {
  color: var(--pythia-text-secondary);
  font-size: 0.78rem;
}

.model-progress-stages li > small {
  color: var(--pythia-text-tertiary);
  font-size: 0.66rem;
}

.model-progress-stages li:is(.complete, [data-state="complete"])::before {
  background: var(--pythia-green);
  border-color: var(--pythia-green);
}

.model-progress-stages li:is(.active, .current, [aria-current="step"], [data-state="active"])::before {
  animation: pythia-progress-pulse 1.4s ease-out infinite;
  background: var(--pythia-yellow);
  border-color: var(--pythia-yellow);
}

.model-progress-stages li:is(.active, .current, [aria-current="step"], [data-state="active"]) > strong {
  color: var(--pythia-text);
}

.model-progress[data-state="complete"] {
  border-color: rgba(105, 214, 154, 0.32);
}

.model-progress[data-state="error"] {
  border-color: rgba(255, 107, 114, 0.38);
}

.model-progress-stages li.error::before {
  background: var(--pythia-red);
  border-color: var(--pythia-red);
}

/* Command palette and feedback. */
.command-palette,
.modal-backdrop {
  align-items: flex-start;
  background: var(--pythia-surface-raised);
  backdrop-filter: blur(10px);
  display: flex;
  inset: 0;
  justify-content: center;
  padding: min(14vh, 8rem) 1rem 1rem;
  position: fixed;
  z-index: 1200;
}

.command-palette-card {
  box-shadow: var(--pythia-shadow-overlay);
  max-height: min(68vh, 620px);
  overflow: hidden;
  padding: 0.55rem;
  width: min(640px, 100%);
}

.command-palette-search {
  align-items: center;
  display: grid;
  gap: 0.65rem;
  grid-template-columns: auto minmax(0, 1fr) auto;
  padding: 0.35rem;
}

.command-palette-search > span {
  color: var(--pythia-text-tertiary);
  font-size: 1.25rem;
  padding-left: 0.35rem;
}

.command-palette-search input {
  background: transparent;
  border: 0;
  box-shadow: none;
  font-size: 1rem;
}

.command-palette-results {
  border-top: 1px solid var(--pythia-border);
  max-height: 420px;
  overflow: auto;
  padding: 0.45rem 0;
}

.command-palette-results :where(button, [role="option"]) {
  background: transparent;
  border: 0;
  border-radius: 9px;
  color: var(--pythia-text-secondary);
  justify-content: flex-start;
  text-align: left;
  width: 100%;
}

.command-palette-results :where(button, [role="option"]):is(:hover, .active, [aria-selected="true"]) {
  background: var(--pythia-surface-hover);
  color: var(--pythia-text);
}

.command-result {
  align-items: center;
  display: grid;
  gap: 0.65rem;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  padding: 0.58rem 0.65rem;
}

.command-result-icon {
  align-items: center;
  background: var(--pythia-surface-soft);
  border-radius: 8px;
  color: var(--pythia-yellow);
  display: inline-flex;
  font-size: 0.68rem;
  height: 30px;
  justify-content: center;
  width: 30px;
}

.command-result > span:nth-child(2) {
  display: grid;
  gap: 0.12rem;
  min-width: 0;
}

.command-result strong,
.command-result small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.command-result strong {
  color: var(--pythia-text);
  font-size: 0.8rem;
}

.command-result small,
.command-result em {
  color: var(--pythia-text-tertiary);
  font-size: 0.68rem;
  font-style: normal;
}

.command-empty {
  color: var(--pythia-text-secondary);
  display: grid;
  gap: 0.25rem;
  padding: 1.25rem;
  text-align: center;
}

.command-empty span {
  color: var(--pythia-text-tertiary);
  font-size: 0.75rem;
}

.command-palette-help {
  border-top: 1px solid var(--pythia-border);
  color: var(--pythia-text-tertiary);
  font-size: 0.7rem;
  margin: 0;
  padding: 0.55rem 0.7rem 0.25rem;
}

.feedback-region:not(:empty) {
  background: var(--pythia-surface-raised);
  border: 1px solid var(--pythia-border-strong);
  border-radius: var(--pythia-radius-md);
  box-shadow: var(--pythia-shadow-md);
  color: var(--pythia-text);
  font-size: 0.8rem;
  max-width: min(420px, calc(100vw - 2rem));
  padding: 0.7rem 0.85rem;
  position: fixed;
  right: 1rem;
  top: 68px;
  z-index: 1100;
}

/* Full-page diagram viewer: the same calm hierarchy as the workbench. */
.viewer-topbar {
  align-items: center;
  backdrop-filter: blur(20px) saturate(120%);
  background: var(--pythia-surface-raised);
  border-bottom: 1px solid var(--pythia-border);
  gap: 1rem;
  padding: 0.72rem var(--pythia-page-gutter);
}

.viewer-title-block {
  border: 0;
  gap: 0.75rem;
  padding: 0;
}

.viewer-ey-logo {
  height: 38px;
  width: 38px;
}

.viewer-title-block h1 {
  color: var(--pythia-text);
  font-size: 1rem;
  font-weight: 680;
}

.viewer-title-block p,
.viewer-diagram-heading p {
  color: var(--pythia-text-secondary);
}

.viewer-tabs {
  background: var(--pythia-bg-elevated);
  border: 1px solid var(--pythia-border);
  border-radius: 11px;
  flex-wrap: nowrap;
  gap: 2px;
  max-width: min(54vw, 720px);
  overflow-x: auto;
  padding: 2px;
  scroll-snap-type: x proximity;
}

.viewer-button,
.viewer-tabs a,
.viewer-copy-button {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 9px;
  color: var(--pythia-text-secondary);
  min-height: 34px;
  scroll-snap-align: start;
}

.viewer-tabs a:hover,
.viewer-button:hover,
.viewer-copy-button:hover {
  background: var(--pythia-surface-hover);
  border-color: transparent;
  color: var(--pythia-text);
}

.viewer-tabs a[aria-current="location"],
.viewer-copy-button.active,
.viewer-copy-button[aria-pressed="true"] {
  background: var(--pythia-yellow-soft);
  border-color: rgba(255, 230, 0, 0.3);
  color: var(--pythia-yellow);
}

.viewer-root {
  gap: var(--pythia-section-gap);
  padding: var(--pythia-page-gutter);
}

.viewer-side,
.viewer-main {
  gap: var(--pythia-section-gap);
}

.viewer-main {
  grid-template-columns: minmax(0, 1fr);
  max-width: 100%;
  width: 100%;
}

.viewer-panel,
.viewer-diagram-card,
.viewer-empty,
.viewer-scenario-panel,
.viewer-route-panel {
  background: var(--pythia-surface);
  border: 1px solid var(--pythia-border);
  border-radius: var(--pythia-radius-lg);
  box-shadow: var(--pythia-shadow-sm);
}

.viewer-scenario-panel,
.viewer-route-panel {
  background-image: none;
}

.viewer-context-card,
.viewer-score-grid div,
.viewer-chain-card,
.viewer-scenario-steps article,
.viewer-scenario-panel > footer > div,
.viewer-route-node,
.viewer-route-control {
  background: var(--pythia-surface-raised);
  border-color: transparent;
  border-radius: var(--pythia-radius-md);
  box-shadow: none;
}

.viewer-diagram-card {
  max-width: 100%;
  min-width: 0;
  overflow: clip;
  transition: border-color 160ms ease, box-shadow 160ms ease;
  width: 100%;
}

.viewer-diagram-card[data-selected="true"] {
  border-color: rgba(255, 230, 0, 0.38);
  box-shadow: 0 0 0 3px rgba(255, 230, 0, 0.06), var(--pythia-shadow-md);
}

.viewer-diagram-card > header {
  align-items: flex-start;
  background: var(--pythia-surface);
  border-bottom: 1px solid var(--pythia-border);
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(280px, 1fr) auto;
  max-width: 100%;
  min-width: 0;
  padding: 0.9rem 1rem;
}

.viewer-diagram-heading {
  min-width: 0;
}

.viewer-diagram-heading i {
  background: var(--pythia-surface-soft);
  border: 1px solid var(--pythia-border);
  border-radius: 10px;
  color: var(--pythia-yellow);
}

.viewer-diagram-heading h2 {
  color: var(--pythia-text);
  font-size: 1rem;
  font-weight: 660;
}

.viewer-diagram-heading > div > span,
.viewer-kicker,
.viewer-context-card > span,
.viewer-chain-card > span,
.viewer-score-grid span {
  color: var(--pythia-text-tertiary);
  font-size: 0.66rem;
  letter-spacing: 0.065em;
}

.viewer-diagram-actions,
.diagram-card-toolbar {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: flex-end;
  max-width: 100%;
}

.diagram-card-state,
.viewer-zoom-value,
.viewer-render-status {
  align-items: center;
  background: var(--pythia-surface-soft);
  border: 1px solid var(--pythia-border);
  border-radius: 999px;
  color: var(--pythia-text-tertiary);
  display: inline-flex;
  font-size: 0.68rem;
  min-height: 26px;
  padding: 0.22rem 0.5rem;
  white-space: nowrap;
}

.viewer-diagram-card[data-semantic-zoom="overview"] .diagram-card-state {
  background: var(--pythia-blue-soft);
  border-color: rgba(115, 174, 246, 0.24);
  color: var(--pythia-blue);
}

.viewer-diagram-card[data-semantic-zoom="standard"] .diagram-card-state {
  background: var(--pythia-yellow-soft);
  border-color: rgba(255, 230, 0, 0.24);
  color: var(--pythia-yellow);
}

.viewer-diagram-card[data-semantic-zoom="detail"] .diagram-card-state {
  background: var(--pythia-green-soft);
  border-color: rgba(105, 214, 154, 0.24);
  color: var(--pythia-green);
}

.viewer-diagram-canvas {
  background-color: var(--pythia-canvas);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.024) 1px, transparent 1px);
  background-size: 40px 40px;
  border: 0;
  border-radius: 0;
  min-height: min(72vh, 760px);
  overscroll-behavior: contain;
  padding: clamp(1rem, 2.2vw, 2rem);
  width: 100%;
}

.viewer-diagram-canvas > svg {
  filter: saturate(0.9);
}

.viewer-source,
.diagram-support-context,
.viewer-diagram-inspector {
  background: var(--pythia-bg-elevated);
  border: 0;
  border-top: 1px solid var(--pythia-border);
  border-radius: 0;
}

.viewer-source > summary,
.diagram-support-summary,
.viewer-diagram-inspector > summary {
  align-items: center;
  color: var(--pythia-text-secondary);
  cursor: pointer;
  display: flex;
  font-size: 0.76rem;
  font-weight: 650;
  gap: 0.5rem;
  justify-content: space-between;
  list-style: none;
  min-height: 44px;
  padding: 0.65rem 1rem;
}

.viewer-source > summary::-webkit-details-marker,
.diagram-support-summary::-webkit-details-marker,
.viewer-diagram-inspector > summary::-webkit-details-marker {
  display: none;
}

.viewer-source > summary::after,
.diagram-support-summary::after,
.viewer-diagram-inspector > summary::after {
  color: var(--pythia-text-tertiary);
  content: "+";
  font-size: 1rem;
}

.viewer-source[open] > summary::after,
.diagram-support-context[open] > .diagram-support-summary::after,
.viewer-diagram-inspector[open] > summary::after {
  content: "−";
}

.viewer-diagram-inspector > .viewer-panel {
  border: 0;
  border-radius: 0;
  box-shadow: none;
  margin: 0;
}

.diagram-support-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 0 1rem 1rem;
}

.diagram-support-item {
  background: var(--pythia-surface-raised);
  border: 0;
  border-radius: 0;
  display: grid;
  gap: 0.25rem;
  min-width: 0;
  padding: 0.72rem 0.8rem;
}

.diagram-support-item:first-child {
  border-radius: 10px 0 0 10px;
}

.diagram-support-item:last-child {
  border-radius: 0 10px 10px 0;
}

.diagram-support-item > span,
.diagram-support-item > small {
  color: var(--pythia-text-tertiary);
  font-size: 0.68rem;
}

.diagram-support-item > strong {
  color: var(--pythia-text);
  font-size: 0.8rem;
  overflow-wrap: anywhere;
}

@keyframes pythia-view-in {
  from { opacity: 0; transform: translateY(3px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pythia-progress-pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 230, 0, 0.38); }
  70%, 100% { box-shadow: 0 0 0 7px rgba(255, 230, 0, 0); }
}

/* Responsive behavior keeps controls reachable without compressing the map. */
@media (max-width: 1180px) {
  .case-ribbon {
    grid-template-columns: minmax(200px, 1fr) auto;
  }

  .case-ribbon-metrics > div:nth-child(-n + 2) {
    display: none;
  }

  .pythia-workspace-destinations {
    grid-auto-columns: minmax(150px, 1fr);
    grid-auto-flow: column;
    grid-template-columns: none;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: x proximity;
  }

  .pythia-workspace-destinations button {
    scroll-snap-align: start;
  }
}

@media (max-width: 900px) {
  .status-strip {
    padding-right: min(58vw, 22rem);
  }

  html[data-interface-zoom="125"] .status-strip #status {
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    height: 1px;
    overflow: hidden;
    position: absolute;
    white-space: nowrap;
    width: 1px;
  }

  .status-pill,
  .density-control {
    display: none;
  }

  .command-palette-trigger > span {
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    height: 1px;
    overflow: hidden;
    position: absolute;
    white-space: nowrap;
    width: 1px;
  }

  .case-ribbon {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .case-ribbon-metrics {
    display: none;
  }

  :where(
    .dashboard-hero,
    .analysis-hero,
    .architecture-hero,
    .pipeline-hero,
    .review-hero,
    .decision-hero,
    .insight-hero
  ) {
    align-items: stretch;
    display: grid;
  }

  .top-grid,
  .grid,
  .dashboard-grid,
  .decision-grid,
  .pipeline-detail-grid,
  .review-grid,
  .assurance-utility-grid {
    grid-template-columns: 1fr;
  }

  .viewer-topbar {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .viewer-tabs {
    grid-column: 1 / -1;
    justify-content: flex-start;
    max-width: 100%;
    order: 3;
  }

  .viewer-side {
    grid-template-columns: 1fr;
  }

  .viewer-diagram-card > header {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .viewer-diagram-actions,
  .diagram-card-toolbar {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .app-shell {
    height: 60px;
    width: 60px;
  }

  .brand-ey-logo {
    height: 40px;
    width: 40px;
  }

  .app-nav {
    align-items: center;
    background: var(--pythia-surface-raised);
    border: 0;
    border-top: 1px solid var(--pythia-border);
    bottom: 0;
    display: flex;
    flex-direction: row;
    height: 68px;
    left: 0;
    padding: 0.45rem;
    top: auto;
    width: 100%;
  }

  .nav-primary-group {
    display: grid;
    flex: 1;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    min-width: 0;
    width: 100%;
  }

  .nav-button {
    justify-self: center;
  }

  .nav-advanced-group {
    display: none;
  }

  .header-controls {
    left: auto;
    right: 0.65rem;
    top: 5px;
  }

  .language-control {
    padding-left: 0.3rem;
  }

  .language-control > span {
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    height: 1px;
    overflow: hidden;
    position: absolute;
    white-space: nowrap;
    width: 1px;
  }

  .auth-session-status {
    max-width: 8.5rem;
  }

  #auth-session-label {
    max-width: 5.25rem;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .language-control select {
    max-width: 5.8rem;
  }

  .zoom-button {
    min-width: 44px;
    width: 44px;
  }

  .zoom-value {
    min-width: 44px;
    padding-inline: 0.2rem;
  }

  .status-strip {
    height: 60px;
    margin-left: 60px;
    padding: 0.55rem min(64vw, 16rem) 0.55rem 0.75rem;
    width: calc(100% - 60px);
  }

  .status-strip #result-meta,
  .command-palette-trigger kbd {
    display: none;
  }

  .command-palette-trigger {
    min-width: 44px;
    padding: 0.3rem;
  }

  .command-palette-trigger::before {
    content: "⌕";
    font-size: 1rem;
  }

  .case-ribbon {
    margin-left: 0;
    padding: 0.6rem 0.75rem;
    position: static;
    top: auto;
    width: 100%;
  }

  .case-ribbon-actions #quick-run-analysis {
    min-height: 44px;
    padding: 0.35rem 0.6rem;
  }

  .workbench {
    margin-left: 0;
    padding: 0.75rem 0.75rem calc(68px + env(safe-area-inset-bottom));
    width: 100%;
  }

  .command-bar {
    bottom: calc(68px + env(safe-area-inset-bottom));
  }

  .model-progress {
    bottom: calc(78px + env(safe-area-inset-bottom));
    left: 0.75rem;
    max-width: none;
    transform: none;
    width: calc(100vw - 1.5rem);
  }

  .model-progress-stages li {
    padding-left: 0.9rem;
  }

  .model-progress-stages li > small {
    display: none;
  }

  .ip-map-toolbar,
  .html-diagram-toolbar,
  .pythia-canvas-toolbar,
  .architecture-canvas-toolbar {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
  }

  .ip-map-toolbar button,
  .html-diagram-toolbar button,
  .pythia-canvas-toolbar button,
  .architecture-canvas-toolbar button {
    flex: 0 0 auto;
  }

  .viewer-topbar {
    align-items: stretch;
    grid-template-columns: 1fr;
    padding: 0.65rem 0.75rem;
  }

  .viewer-tabs {
    order: initial;
  }

  .viewer-root {
    padding: 0.75rem;
  }

  .viewer-diagram-actions,
  .diagram-card-toolbar {
    flex-wrap: nowrap;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
  }

  .viewer-diagram-actions > *,
  .diagram-card-toolbar > * {
    flex: 0 0 auto;
  }

  .viewer-diagram-canvas {
    min-height: 520px;
    padding: 0.75rem;
  }

  .diagram-support-grid {
    grid-template-columns: 1fr;
  }

  .diagram-support-item:first-child,
  .diagram-support-item:last-child {
    border-radius: 10px;
  }
}

/*
 * These structural declarations intentionally live after the desktop and
 * responsive layers. CSS `zoom` does not change media-query evaluation, so
 * the high-zoom shell must win the cascade even at a 1280px browser width.
 */
:is(html[data-interface-zoom="200"], html[data-interface-zoom="400"]) body :is(
  .app-shell,
  .app-nav,
  .status-strip,
  .case-ribbon,
  .workbench,
  footer
) {
  box-sizing: border-box;
  margin-left: 0;
  max-width: 100%;
  min-width: 0;
  width: 100%;
}

:is(html[data-interface-zoom="200"], html[data-interface-zoom="400"]) body .case-ribbon {
  grid-template-columns: minmax(0, 1fr);
  position: static;
  top: auto;
}

:is(html[data-interface-zoom="200"], html[data-interface-zoom="400"]) body .case-ribbon-metrics {
  align-items: stretch;
  flex-direction: column;
  max-width: 100%;
  min-width: 0;
}

:is(html[data-interface-zoom="200"], html[data-interface-zoom="400"]) body .case-ribbon-metrics > div {
  max-width: 100%;
  min-width: 0;
  width: 100%;
}

/* At the 400% reading setting, every non-tabular workpaper structure reflows
 * to one track. Tables and diagram canvases retain their own bounded scrollers. */
html[data-interface-zoom="400"] body main :is(
  div,
  section,
  article,
  form,
  fieldset,
  details,
  nav,
  ol,
  ul,
  dl
) {
  box-sizing: border-box;
  grid-template-columns: minmax(0, 1fr) !important;
  max-width: 100%;
  min-width: 0;
}

html[data-interface-zoom="400"] body main :is(
  div,
  section,
  article,
  form,
  fieldset,
  details,
  nav,
  ol,
  ul,
  dl
) > :not(svg):not(canvas) {
  box-sizing: border-box;
  grid-column: auto !important;
  max-width: 100%;
  min-width: 0;
}

html[data-interface-zoom="400"] body main :is(
  p,
  em,
  small,
  strong,
  span,
  label,
  button,
  select,
  input,
  textarea,
  summary
) {
  box-sizing: border-box;
  max-width: 100%;
  min-width: 0;
  overflow-wrap: anywhere;
  white-space: normal;
}

:is(html[data-interface-zoom="200"], html[data-interface-zoom="400"]) body main :is(
  [class*="-actions"],
  [class*="-controls"],
  [class*="-pagination"]
) {
  align-items: stretch;
  flex-direction: column !important;
  flex-wrap: nowrap !important;
}

:is(html[data-interface-zoom="200"], html[data-interface-zoom="400"]) body main :is(
  [class*="-actions"],
  [class*="-controls"],
  [class*="-pagination"]
) > :is(button, select, label) {
  width: 100%;
}

:is(html[data-interface-zoom="200"], html[data-interface-zoom="400"]) body main .pythia-workspace-destinations {
  grid-template-columns: minmax(0, 1fr) !important;
  max-width: 100%;
  min-width: 0;
}

:is(html[data-interface-zoom="200"], html[data-interface-zoom="400"]) body main .pythia-workspace-destinations > * {
  grid-column: auto !important;
  max-width: 100%;
  min-width: 0;
  width: 100%;
}

:is(html[data-interface-zoom="200"], html[data-interface-zoom="400"]) body :is(
  .attack-vector-scroll,
  .attack-discovery-scroll
) {
  height: auto !important;
  overflow-x: auto !important;
}

:is(html[data-interface-zoom="200"], html[data-interface-zoom="400"]) body :is(
  .attack-vector-diagram[data-diagram-natural-canvas],
  .attack-discovery-canvas[data-diagram-natural-canvas]
) {
  max-width: none;
  transform: none !important;
}

:is(html[data-interface-zoom="200"], html[data-interface-zoom="400"]) body .attack-vector-diagram[data-diagram-natural-canvas] {
  min-width: 1320px;
}

:is(html[data-interface-zoom="200"], html[data-interface-zoom="400"]) body .attack-vector-diagram.compact[data-diagram-natural-canvas] {
  min-width: 1040px;
}

:is(html[data-interface-zoom="200"], html[data-interface-zoom="400"]) body .attack-discovery-canvas[data-diagram-natural-canvas] {
  min-width: 1120px;
}

:is(html[data-interface-zoom="200"], html[data-interface-zoom="400"]) body .attack-vector-diagram .attack-vector-node {
  max-width: none;
  min-width: 132px;
}

:is(html[data-interface-zoom="200"], html[data-interface-zoom="400"]) body main header {
  align-items: stretch;
  flex-direction: column !important;
  flex-wrap: nowrap !important;
  grid-template-columns: minmax(0, 1fr) !important;
  max-width: 100%;
  min-width: 0;
}

:is(html[data-interface-zoom="200"], html[data-interface-zoom="400"]) body main header > * {
  grid-column: auto !important;
  max-width: 100%;
  min-width: 0;
}

:is(html[data-interface-zoom="200"], html[data-interface-zoom="400"]) body main em {
  max-width: 100%;
  min-width: 0;
  overflow-wrap: anywhere;
  white-space: normal;
}

/* Final Chinese readability layer. It is intentionally last so legacy
   component rules cannot shrink paragraph leading or compact control text. */
html[data-locale="zh-CN"] body :where(p, li, dd, blockquote):not(:where(.nodeLabel *, .edgeLabel *)) {
  line-height: 1.7;
}

html[data-locale="zh-CN"] body :where(p, blockquote):not(:where(.nodeLabel *, .edgeLabel *)) {
  max-inline-size: 44em;
}

html[data-locale="zh-CN"] body :where(button, input, select, textarea, label, summary, dt, th, td) {
  line-height: 1.45;
}

/* These compact labels have legacy component sizes below the Chinese optical
   minimum. Keep their intended hierarchy without allowing them below 14px. */
html[data-locale="zh-CN"] body .case-ribbon span {
  font-size: max(0.64rem, 14px);
}

html[data-locale="zh-CN"] body .ey-kicker {
  font-size: max(0.67rem, 14px);
}

html[data-locale="zh-CN"] body .dashboard-empty-action span {
  font-size: max(0.68rem, 14px);
}

html[data-locale="zh-CN"] body :is(
  .pythia-stage-semantics article > div,
  .pythia-stage-semantics article > small
) {
  font-size: max(0.68rem, 14px);
}

@media (min-width: 721px) and (max-width: 900px) {
  .pythia-shared-path-control {
    grid-template-columns: 44px minmax(0, 1fr) 44px;
  }

  .pythia-shared-path-control > strong {
    grid-column: 1 / -1;
    overflow: visible;
    white-space: normal;
  }
}

@media (max-width: 520px) {
  .zoom-control {
    display: none;
  }

  .auth-session-status {
    justify-content: center;
    max-width: 38px;
    min-width: 38px;
    padding: 0.25rem;
    width: 38px;
  }

  #auth-session-label {
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    height: 1px;
    overflow: hidden;
    position: absolute;
    white-space: nowrap;
    width: 1px;
  }

  .auth-session-status:has(.auth-session-action:not([hidden])) {
    max-width: 7rem;
    width: auto;
  }

  .auth-session-action {
    border-left: 0;
    padding: 0 0.25rem;
  }

  .command-palette-trigger {
    display: inline-flex;
  }

  .status-strip #status {
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    height: 1px;
    overflow: hidden;
    position: absolute;
    white-space: nowrap;
    width: 1px;
  }

  .case-ribbon {
    grid-template-columns: 1fr;
  }

  .case-ribbon-actions {
    justify-content: stretch;
  }

  .case-ribbon-actions #quick-run-analysis {
    width: 100%;
  }

  .model-progress-stages {
    gap: 0.35rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .model-progress-stages li:nth-child(2)::after {
    display: none;
  }

  .command-palette,
  .modal-backdrop {
    padding: 0.5rem;
  }

  .command-palette-card,
  .modal-card {
    border-radius: 14px;
    margin-top: 3.5rem;
    max-height: calc(100vh - 4.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  .nav-button.active,
  .pythia-workspace-mode-switch button.active,
  .pythia-workspace-mode-switch button[aria-selected="true"] {
    outline: 2px solid Highlight;
  }

  .attack-discovery-node,
  .ip-evidence-node,
  .model-progress,
  .command-palette-card {
    border: 1px solid CanvasText;
  }
}

/* Diagram geometry integrity
   Keep Mermaid HTML labels, node outlines, and connector endpoints together
   across the workbench, architecture canvas, and full-page viewer. */
:where(
  .diagram-frame,
  .attack-mermaid-figure,
  .architecture-canvas-panel,
  .viewer-diagram-card
) {
  box-sizing: border-box;
  max-width: 100%;
  min-width: 0;
}

:where(
  .diagram-canvas,
  .attack-mermaid-canvas,
  .architecture-canvas,
  .architecture-mermaid-surface,
  .architecture-mermaid-inner,
  .viewer-diagram-canvas
) {
  box-sizing: border-box;
  max-width: 100%;
  min-width: 0;
  overscroll-behavior: contain;
}

:where(
  .diagram-canvas,
  .attack-mermaid-canvas,
  .architecture-canvas,
  .viewer-diagram-canvas
) {
  overflow: auto;
  scrollbar-gutter: stable both-edges;
}

:where(
  .diagram-canvas,
  .attack-mermaid-canvas,
  .architecture-mermaid-inner,
  .viewer-diagram-canvas
) > svg {
  display: block;
  flex: 0 0 auto;
  max-width: none;
  overflow: visible !important;
  shape-rendering: geometricPrecision;
}

:where(
  .diagram-canvas,
  .attack-mermaid-canvas,
  .architecture-mermaid-inner,
  .viewer-diagram-canvas
) svg :is(.node, .cluster, .edgePath, .edgePaths, .marker) {
  overflow: visible;
}

:where(
  .diagram-canvas,
  .attack-mermaid-canvas,
  .architecture-mermaid-inner,
  .viewer-diagram-canvas
) svg .node :is(rect, polygon, path, circle, ellipse),
:where(
  .diagram-canvas,
  .attack-mermaid-canvas,
  .architecture-mermaid-inner,
  .viewer-diagram-canvas
) svg .cluster rect {
  paint-order: fill stroke markers;
  shape-rendering: geometricPrecision;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-miterlimit: 2;
  stroke-opacity: 1 !important;
  vector-effect: non-scaling-stroke;
}

:where(
  .diagram-canvas,
  .attack-mermaid-canvas,
  .architecture-mermaid-inner,
  .viewer-diagram-canvas
) svg .node foreignObject {
  overflow: visible !important;
}

:where(
  .diagram-canvas,
  .attack-mermaid-canvas,
  .architecture-mermaid-inner,
  .viewer-diagram-canvas
) svg .node foreignObject > div {
  align-items: center;
  box-sizing: border-box;
  display: flex !important;
  height: 100%;
  justify-content: center;
  min-width: 0;
  overflow: visible !important;
  padding: 1px 4px;
  width: 100%;
}

:where(
  .diagram-canvas,
  .attack-mermaid-canvas,
  .architecture-mermaid-inner,
  .viewer-diagram-canvas
) svg .node foreignObject :is(.nodeLabel, .label) {
  box-sizing: border-box;
  display: block;
  line-height: 1.25 !important;
  max-width: 100%;
  min-width: 0;
  overflow-wrap: anywhere;
  text-align: center;
  white-space: normal !important;
  word-break: normal;
}

:where(
  .diagram-canvas,
  .attack-mermaid-canvas,
  .architecture-mermaid-inner,
  .viewer-diagram-canvas
) svg .node foreignObject :is(.nodeLabel, .label) :is(p, span, div) {
  box-sizing: border-box;
  line-height: inherit;
  margin: 0;
  max-width: 100%;
  overflow-wrap: inherit;
  white-space: inherit !important;
}

:where(
  .diagram-canvas,
  .attack-mermaid-canvas,
  .architecture-mermaid-inner,
  .viewer-diagram-canvas
) svg .edgeLabel foreignObject,
:where(
  .diagram-canvas,
  .attack-mermaid-canvas,
  .architecture-mermaid-inner,
  .viewer-diagram-canvas
) svg .edgeLabel foreignObject > div {
  box-sizing: border-box;
  overflow: visible !important;
}

:where(
  .diagram-canvas,
  .attack-mermaid-canvas,
  .architecture-mermaid-inner,
  .viewer-diagram-canvas
) svg .edgeLabel :is(p, span) {
  box-sizing: content-box;
  line-height: 1.2 !important;
  margin: 0;
  max-width: none;
  overflow-wrap: normal;
  white-space: nowrap !important;
  word-break: normal;
}

:where(
  .diagram-canvas,
  .attack-mermaid-canvas,
  .architecture-mermaid-inner,
  .viewer-diagram-canvas
) svg :is(.flowchart-link, .edgePath path) {
  fill: none;
  shape-rendering: geometricPrecision;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

:where(
  .diagram-canvas,
  .attack-mermaid-canvas,
  .architecture-mermaid-inner,
  .viewer-diagram-canvas
) svg marker,
:where(
  .diagram-canvas,
  .attack-mermaid-canvas,
  .architecture-mermaid-inner,
  .viewer-diagram-canvas
) svg marker path {
  overflow: visible;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ip-map-edge,
.ip-map-links marker path {
  shape-rendering: geometricPrecision;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

:where(
  .ip-evidence-node
) {
  box-sizing: border-box;
  min-width: 0;
  overflow: hidden;
}

:where(
  .ip-evidence-node
) > * {
  box-sizing: border-box;
  max-width: 100%;
  min-width: 0;
  overflow-wrap: anywhere;
}

@media (max-width: 720px) {
  :where(
    .diagram-canvas,
    .attack-mermaid-canvas,
    .architecture-canvas,
    .viewer-diagram-canvas
  ) {
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-gutter: stable;
  }

  :where(
    .diagram-canvas,
    .attack-mermaid-canvas,
    .architecture-mermaid-inner,
    .viewer-diagram-canvas
  ) > svg {
    transform-origin: left top;
  }
}