:root {
  --font-ui: Arial, Helvetica, sans-serif;
  --font-mono: Arial, Helvetica, sans-serif;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-alt: #f1f5f9;
  --color-text: #172033;
  --color-muted: #526075;
  --color-border: #dfe4eb;
  --color-rail: #102646;
  --color-rail-text: #e9f0fa;
  --color-focus: #1a73e8;
  --color-success: #23643a;
  --color-warning: #774b12;
  --color-danger: #9b1c1c;
  --spacing-unit: 8px;
  --target-min: 48px;
  --content-max: 95vw;
  --measure: 70ch;
  --radius: 8px;
  --focus-width: 2px;
  --rail-collapsed-width: calc(var(--target-min) + (var(--spacing-unit) * 2));
  --rail-expanded-width: 15rem;
  --rail-active: #ffd54a;
  --rail-active-hover: #7a5c00;
  --rail-hover: #e5e7eb;
  font-family: var(--font-ui);
  color: var(--color-text);
  background: var(--color-bg);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--target-min) * 2); }
body {
  margin: 0;
  display: grid;
  grid-template-columns: var(--rail-collapsed-width) minmax(0, 1fr);
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
}
body.rail-expanded { grid-template-columns: var(--rail-expanded-width) minmax(0, 1fr); }

.skip-link {
  position: fixed;
  z-index: 100;
  left: var(--spacing-unit);
  top: var(--spacing-unit);
  transform: translateY(-180%);
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  color: var(--color-text);
  border: var(--focus-width) solid var(--color-focus);
  border-radius: var(--radius);
}
.skip-link:focus { transform: translateY(0); }

:where(a, button, summary, input, select, textarea):focus-visible {
  outline: var(--focus-width) solid var(--color-focus);
  outline-offset: 3px;
}

:where(button, summary, input, select, textarea) {
  min-height: max(48px, var(--target-min));
  font: inherit;
}
a {
  display: inline-flex;
  min-height: max(48px, var(--target-min));
  align-items: center;
}

.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-unit);
  background: var(--color-rail);
  color: var(--color-rail-text);
  padding: var(--spacing-unit);
  overflow-y: auto;
}
.rail-toolbar { display: flex; }
.rail-toggle {
  width: 100%;
  min-height: max(48px, var(--target-min));
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-unit);
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--color-rail-text);
  background: transparent;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}
.context-picker {
  width: 100%;
  min-width: 0;
  color: var(--color-rail-text);
}
.workspace-rail-trigger {
  width: 100%;
  min-height: max(48px, var(--target-min));
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-unit);
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--color-rail-text);
  background: transparent;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
}
.workspace-rail-trigger:hover,
.workspace-rail-trigger:focus-visible {
  color: var(--color-rail);
  background: var(--rail-hover);
}
.workspace-fields {
  display: none;
  gap: var(--spacing-unit);
  padding: calc(var(--spacing-unit) / 2) 0 var(--spacing-unit);
}
.workspace-field {
  display: grid;
  gap: calc(var(--spacing-unit) / 2);
}
.workspace-field label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--color-rail-text);
}
.workspace-field select {
  width: 100%;
  min-width: 0;
  min-height: max(48px, var(--target-min));
  padding: 0 2.25rem 0 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  background: var(--color-surface);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.workspace-field select:disabled {
  cursor: not-allowed;
  color: var(--color-muted);
  background: var(--color-surface-alt);
}
.workspace-retry {
  min-height: max(48px, var(--target-min));
  border: 1px solid var(--color-rail-text);
  border-radius: var(--radius);
  color: var(--color-rail-text);
  background: transparent;
  font: inherit;
  cursor: pointer;
}
.workspace-retry[hidden] { display: none; }
body.rail-expanded .workspace-fields { display: grid; }
body.rail-expanded .workspace-rail-trigger { display: none; }

.rail nav {
  display: grid;
  gap: calc(var(--spacing-unit) / 2);
}
.rail-desktop-nav {
  display: grid;
  gap: calc(var(--spacing-unit) / 2);
}
.rail-mobile-nav { display: none; }
.nav-group { min-width: 0; }
.nav-group summary {
  width: 100%;
  min-height: max(48px, var(--target-min));
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-unit);
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--color-rail-text);
  font-size: 14px;
  cursor: pointer;
  list-style: none;
}
.nav-group summary::-webkit-details-marker { display: none; }
.nav-group summary::after {
  content: "";
  width: 6px;
  height: 6px;
  margin-left: auto;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
}
.nav-group[open] summary::after { transform: rotate(225deg); }
.nav-group-items {
  display: grid;
  gap: calc(var(--spacing-unit) / 2);
  padding-left: var(--spacing-unit);
}
.nav-group summary:hover,
.nav-group summary:focus-visible {
  background: var(--rail-hover);
  color: var(--color-rail);
}
.nav-group.has-active-link summary {
  color: var(--rail-active);
  background: color-mix(in srgb, var(--rail-active) 10%, transparent);
}
.rail nav a,
.rail-settings {
  width: 100%;
  display: flex;
  min-height: max(48px, var(--target-min));
  align-items: center;
  justify-content: center;
  gap: var(--spacing-unit);
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-rail-text);
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 400;
  text-decoration: none;
}
.nav-icon {
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}
.rail nav a.is-active,
.rail-settings.is-active {
  color: var(--rail-active);
  background: color-mix(in srgb, var(--rail-active) 10%, transparent);
}
.rail-toggle:hover,
.rail-toggle:focus-visible,
.rail nav a:hover,
.rail nav a:focus-visible,
.rail-settings:hover,
.rail-settings:focus-visible {
  background: var(--rail-hover);
  color: var(--color-rail);
}
.rail nav a.is-active:hover,
.rail nav a.is-active:focus-visible,
.rail-settings.is-active:hover,
.rail-settings.is-active:focus-visible {
  color: var(--rail-active-hover);
}

.rail-footer {
  position: relative;
  display: grid;
  gap: calc(var(--spacing-unit) / 2);
  margin-top: auto;
}
.account-menu {
  position: relative;
  margin: 0;
}
.account-menu summary {
  list-style: none;
}
.account-menu summary::-webkit-details-marker {
  display: none;
}
.account-trigger {
  width: 100%;
  min-height: max(48px, var(--target-min));
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-unit);
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--color-rail-text);
  background: transparent;
  cursor: pointer;
}
.account-initial {
  width: 2rem;
  height: 2rem;
  display: grid;
  flex: 0 0 2rem;
  place-items: center;
  border-radius: 999px;
  color: var(--color-rail);
  background: var(--rail-active);
  font-size: 12px;
  font-weight: 800;
}
.account-copy {
  display: none;
  min-width: 0;
  font-size: 12px;
  text-align: left;
}
.account-copy strong,
.account-copy span {
  display: block;
}
.account-copy span {
  color: color-mix(in srgb, var(--color-rail-text) 80%, transparent);
}
.account-menu[open] .account-trigger,
.account-trigger:hover,
.account-trigger:focus-visible {
  color: var(--color-rail);
  background: var(--rail-hover);
}
.account-menu-popover {
  position: fixed;
  z-index: 30;
  bottom: var(--spacing-unit);
  left: calc(var(--rail-collapsed-width) + var(--spacing-unit));
  width: 14rem;
  padding: var(--spacing-unit);
  border: 1px solid color-mix(in srgb, var(--color-rail-text) 38%, transparent);
  border-radius: var(--radius);
  color: var(--color-rail-text);
  background: #172033;
  box-shadow: 0 12px 28px rgb(15 23 42 / 0.28);
}
.account-menu-popover p {
  display: grid;
  gap: 0.15rem;
  margin: 0 0 calc(var(--spacing-unit) / 2);
  padding: 0 0.65rem;
  font-size: 12px;
}
.account-menu-popover p strong { font-weight: 800; }
.account-menu-popover p span {
  color: color-mix(in srgb, var(--color-rail-text) 80%, transparent);
}
.account-menu-popover form { margin: 0; }
.account-menu-item {
  width: 100%;
  min-height: max(48px, var(--target-min));
  display: flex;
  align-items: center;
  gap: var(--spacing-unit);
  padding: 0 0.65rem;
  border: 0;
  border-radius: calc(var(--radius) - 2px);
  color: var(--color-rail-text);
  background: transparent;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}
.account-menu-item:hover,
.account-menu-item:focus-visible {
  color: var(--color-rail);
  background: var(--rail-hover);
}

body.rail-expanded .account-menu-popover {
  position: absolute;
  bottom: calc(100% + var(--spacing-unit));
  left: 0;
  width: 100%;
}
body.rail-expanded .rail-toggle,
body.rail-expanded .rail nav a,
body.rail-expanded .nav-group summary,
body.rail-expanded .rail-settings,
body.rail-expanded .account-trigger {
  justify-content: flex-start;
  padding: 0 calc(var(--spacing-unit) * 1.5);
}
body.rail-expanded .account-copy { display: block; }
body:not(.rail-expanded) .rail-toggle-label,
body:not(.rail-expanded) .nav-label,
body:not(.rail-expanded) .workspace-rail-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
body:not(.rail-expanded) .nav-group summary::after { display: none; }
body:not(.rail-expanded) .nav-group-items { padding-left: 0; }

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

main {
  min-width: 0;
  width: min(var(--content-max), 100%);
  padding: calc(var(--spacing-unit) * 4) calc(var(--spacing-unit) * 5) calc(var(--spacing-unit) * 8);
  background: var(--color-surface);
}
.page-header,
.section-title {
  display: flex;
  justify-content: space-between;
  gap: calc(var(--spacing-unit) * 3);
}
.page-header { align-items: center; }
.section-title { align-items: flex-start; }
.page-header {
  position: sticky;
  top: 0;
  z-index: 10;
  height: var(--target-min);
  padding: 0 var(--spacing-unit);
  background: color-mix(in srgb, var(--color-bg) 96%, transparent);
  border-bottom: 1px solid var(--color-border);
}
.topbar-brand {
  display: inline-flex;
  min-height: var(--target-min);
  align-items: center;
  font-size: 12px;
  line-height: 1;
}
.topbar-brand { color: var(--color-text); font-weight: 800; letter-spacing: 0.08em; }
.page-intro { padding: calc(var(--spacing-unit) * 3) 0 0; }
.page-intro h1 { font-size: clamp(2rem, 4vw, 3rem); margin: 0.25rem 0; }
.page-intro p:last-child { max-width: var(--measure); line-height: 1.6; }
.eyebrow {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--color-muted);
  margin: 0;
}
.login-form button {
  border: 1px solid var(--color-text);
  border-radius: var(--radius);
  padding: 0 0.75rem;
  color: #ffffff;
  background: var(--color-text);
  cursor: pointer;
}

.command-surface { margin-top: calc(var(--spacing-unit) * 4); }
.command-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: calc(var(--spacing-unit) * 2);
}
.command-grid article {
  min-width: 0;
  padding: calc(var(--spacing-unit) * 2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.command-grid h3 { margin: 0.45rem 0 1rem; }
.command-grid ol { margin: 0; padding: 0; list-style: none; }
.command-grid li {
  display: grid;
  grid-template-columns: minmax(5rem, auto) 1fr;
  gap: var(--spacing-unit);
  padding: var(--spacing-unit) 0;
  border-top: 1px solid var(--color-border);
}
.command-grid span { color: var(--color-muted); overflow-wrap: anywhere; }

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: calc(var(--spacing-unit) * 2);
  margin: calc(var(--spacing-unit) * 4) 0;
}
.metrics article,
.card,
.alert,
.timeline,
.table-wrap,
.legacy-list,
.status-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 1px 2px rgb(15 23 42 / 0.04);
}
.metrics article { padding: calc(var(--spacing-unit) * 2); }
.metrics span { display: block; color: var(--color-muted); font-size: 0.88rem; }
.metrics strong { display: block; font-size: 2rem; margin-top: 0.3rem; }
.metrics small { color: var(--color-muted); }

.status-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: calc(var(--spacing-unit) * 2);
}
.status-panel { padding: calc(var(--spacing-unit) * 2); border-top-width: 4px; }
.status-panel h2 { font-size: 1.1rem; margin: 0.45rem 0; }
.status-panel p:last-child { color: var(--color-muted); line-height: 1.5; }
.status-done { border-top-color: var(--color-success); }
.status-active { border-top-color: var(--color-focus); }
.status-blocked { border-top-color: var(--color-danger); }
.status-next { border-top-color: var(--color-warning); }

section { margin-top: calc(var(--spacing-unit) * 6); scroll-margin-top: 1rem; }
.section-title h2 { margin: 0.25rem 0 1rem; }
.section-title small { color: var(--color-muted); }
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: calc(var(--spacing-unit) * 2);
}
.card { padding: calc(var(--spacing-unit) * 2); min-width: 0; }
.card header { display: flex; justify-content: space-between; gap: 1rem; }
.card h3, .card h4 { margin: 1rem 0 0.35rem; overflow-wrap: anywhere; }
.card h5 { margin: 1rem 0 0.35rem; font-size: 0.84rem; }
.card p { line-height: 1.55; color: var(--color-muted); }
.component-disclosure { margin-top: var(--spacing-unit); }
.component-disclosure > summary { color: var(--color-text); }
.component-disclosure > p:first-of-type { margin-top: 0; }
.component-disclosure > pre { margin-bottom: 0; }
.pill, .status {
  font-size: 0.78rem;
  border-radius: 999px;
  padding: 0.3rem 0.6rem;
  background: var(--color-surface-alt);
  color: var(--color-text);
}
.status { color: var(--color-success); }
.policy-cards .card { border-left: 4px solid var(--color-focus); }
.setting-summary {
  display: grid;
  grid-template-columns: minmax(18rem, 1fr) minmax(18rem, 1fr);
  gap: calc(var(--spacing-unit) * 2);
  margin-bottom: calc(var(--spacing-unit) * 3);
}
dl { display: grid; grid-template-columns: minmax(7rem, auto) 1fr; gap: 0.5rem 1rem; }
.memory-search label { display: block; font-weight: 700; margin-bottom: 0.5rem; }
.memory-search div { display: flex; gap: 0.5rem; }
.memory-search input { flex: 1; min-width: 10rem; min-height: max(48px, var(--target-min)); padding: 0.7rem; }
.memory-search button { min-width: 48px; min-height: max(48px, var(--target-min)); padding: 0.7rem 1rem; }
.memory-results { padding-left: 1.25rem; }
.memory-results li { margin: 1rem 0; }
.memory-results code { display: block; margin-top: 0.25rem; }
dt { font-weight: 700; }
dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }

code, pre { font-family: var(--font-mono); font-size: 0.84rem; }
code { overflow-wrap: anywhere; }
.mission-revision-detail { margin-top: 1rem; }
.mission-revision-detail h6 { font-size: 1.1rem; margin: 1rem 0 0.5rem; }
.mission-revision-detail pre { font-size: 1rem; line-height: 1.6; }
pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: var(--color-surface-alt);
  color: var(--color-text);
  padding: 0.9rem;
  border-radius: var(--radius);
  max-height: 34rem;
  overflow: auto;
}
summary {
  min-height: max(48px, var(--target-min));
  display: flex;
  align-items: center;
  cursor: pointer;
  font-weight: 650;
}
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  line-height: 1.45;
}
th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  background: var(--color-surface-alt);
}
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  border-bottom: 1px solid var(--color-border);
}
.timeline li:last-child { border-bottom: 0; }
.timeline time { font-size: 0.84rem; color: var(--color-muted); white-space: nowrap; }
.legacy-list { padding: 1rem; display: flex; flex-wrap: wrap; gap: 0.55rem; }
.legacy-list code { background: #fff4e5; color: var(--color-warning); padding: 0.35rem 0.55rem; border-radius: var(--radius); }
.alert { padding: 1.2rem; border-color: var(--color-danger); background: #fff5f5; }

.login-page {
  display: block;
  min-height: 100vh;
  background: var(--color-bg);
}
.login-shell {
  width: min(34rem, 95vw);
  min-height: 100vh;
  margin: 0 auto;
  padding: calc(var(--spacing-unit) * 4);
  display: grid;
  place-items: center;
}
.login-card {
  width: 100%;
  margin: 0;
  padding: calc(var(--spacing-unit) * 4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 12px 30px rgb(15 23 42 / 0.08);
}
.login-card h1 { margin: 0.5rem 0; }
.login-card > p { line-height: 1.6; color: var(--color-muted); }
.login-form { display: grid; gap: var(--spacing-unit); margin-top: calc(var(--spacing-unit) * 3); }
.login-form label { font-weight: 700; }
.login-form input {
  width: 100%;
  min-height: max(48px, var(--target-min));
  padding: 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  background: var(--color-surface);
}
.login-form button { justify-self: start; min-width: 48px; min-height: max(48px, var(--target-min)); }
.form-help { margin: 0 0 var(--spacing-unit); color: var(--color-muted); font-size: 0.9rem; }

@media (max-width: 1050px) {
  .status-grid { grid-template-columns: 1fr 1fr; }
  .command-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  body.dashboard-page { display: block; padding-bottom: 5.25rem; }
  .rail {
    position: fixed;
    inset: auto 0 0;
    z-index: 20;
    width: 100%;
    height: auto;
    flex-direction: row;
    align-items: center;
    padding: 0.5rem;
    overflow-x: auto;
    border-top: 1px solid color-mix(in srgb, var(--color-rail) 70%, white);
  }
  .rail-toolbar { display: none; }
  .context-picker { display: none; }
  .rail nav { display: flex; flex: 1 1 auto; gap: 0.25rem; }
  .rail-desktop-nav { display: none; }
  .rail-mobile-nav { display: flex; gap: 0.25rem; }
  .rail nav a { width: auto; min-width: 7.5rem; justify-content: center; text-align: center; padding: 0 0.75rem; }
  .rail nav a[data-mobile="no"] { display: none; }
  .rail-footer { flex: 0 0 auto; margin: 0; }
  .account-trigger { width: var(--target-min); padding: 0; }
  .account-copy { display: none !important; }
  .account-menu-popover { bottom: calc(var(--target-min) + var(--spacing-unit) * 2); left: var(--spacing-unit); }
  body.dashboard-page .rail .nav-label {
    position: static;
    width: auto;
    height: auto;
    padding: 0;
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
    border: 0;
  }
  main { width: 100%; padding: 1.25rem 1rem 3rem; }
  .setting-summary { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .status-grid, .metrics, .cards { grid-template-columns: 1fr; }
  .section-title, .timeline li { display: block; }
  .timeline time { display: block; margin-top: 0.5rem; }
  dl { grid-template-columns: 1fr; }
}

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

@media (prefers-contrast: more) {
  :root { --color-border: #64748b; --color-muted: #334155; }
  .card, .table-wrap, .status-panel, .metrics article { border-width: 2px; }
}

@media (max-width: 900px) {
  .rail-footer {
    display: flex;
    gap: 0.25rem;
  }
  .rail-settings {
    width: var(--target-min);
    padding: 0;
    justify-content: center;
  }
  .rail-settings .nav-label {
    display: none;
  }
}

/* Routed pages must stay out of layout even when a component uses display:grid. */
main > section[hidden] { display: none !important; }

/* Account security reuses the existing login controls. */
.security-actions { margin-top: 24px; }
.login-form .security-confirm { display: flex; align-items: center; gap: 12px; }
.login-form .security-confirm input { width: 20px; min-width: 20px; height: 20px; min-height: 20px; margin: 0; }