/* Swiss International Style — Edge Host */

:root {
  color-scheme: light;

  --font-sans: "IBM Plex Sans", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono",
    monospace;

  /* Stone palette — light */
  --color-bg: #fafaf9;
  --color-surface: #f5f5f4;
  --color-surface-2: #e7e5e4;
  --color-border: #e7e5e4;
  --color-border-light: #f5f5f4;
  --color-text: #1c1917;
  --color-text-2: rgba(28, 25, 23, 0.7);
  --color-text-3: rgba(28, 25, 23, 0.4);
  --color-text-4: rgba(28, 25, 23, 0.2);

  /* Swiss Red accent */
  --color-accent: #c8102e;
  --color-accent-60: rgba(200, 16, 46, 0.6);
  --color-accent-20: rgba(200, 16, 46, 0.2);
  --color-accent-10: rgba(200, 16, 46, 0.1);

  --space-unit: 8px;
}

html.dark {
  color-scheme: dark;
  --color-bg: #0c0a09;
  --color-surface: #1c1917;
  --color-surface-2: #292524;
  --color-border: #292524;
  --color-border-light: #1c1917;
  --color-text: #fafaf9;
  --color-text-2: rgba(250, 250, 249, 0.7);
  --color-text-3: rgba(250, 250, 249, 0.4);
  --color-text-4: rgba(250, 250, 249, 0.2);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--color-bg);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.625;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: var(--color-accent);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0.75rem;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h2 {
  margin-bottom: 0.5rem;
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 300;
  line-height: 1.25;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h3 {
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.25;
}

code {
  padding: 0.125rem 0.375rem;
  border-radius: 0;
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.875em;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}

/* —— Top bar —— */

.topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 64px;
  padding: 0.75rem clamp(1rem, 4vw, 2rem);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.topbar-left,
.topbar-right,
.topbar-nav,
.topbar-utilities {
  display: flex;
  align-items: center;
}

.topbar-left {
  gap: clamp(1.25rem, 3vw, 2.5rem);
  min-width: 0;
}

.topbar-right {
  gap: 1rem;
  margin-left: auto;
}

.topbar-nav {
  flex-wrap: wrap;
  gap: 0.25rem;
}

.nav-link {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  padding: 0.375rem 0.75rem;
  border-bottom: 2px solid transparent;
  color: var(--color-text-2);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1;
  text-decoration: none;
  transition:
    color 150ms ease,
    background 150ms ease,
    border-color 150ms ease;
}

.nav-link:hover {
  background: var(--color-surface);
  color: var(--color-text);
}

.nav-link[aria-current="page"] {
  border-bottom-color: var(--color-accent);
  color: var(--color-text);
}

.topbar-utilities {
  gap: 0.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 0;
  background: var(--color-accent);
  color: #fafaf9;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

.brand-on-dark {
  color: #fafaf9;
}

.brand-on-dark .brand-mark {
  background: #fafaf9;
  color: var(--color-accent);
}

.account-area,
.account-chip,
.account-copy,
.title-line,
.release-card-top,
.panel-heading,
.section-heading {
  display: flex;
  align-items: center;
}

.account-area {
  gap: 0.75rem;
  padding-left: 1rem;
  border-left: 1px solid var(--color-border);
}

.account-chip {
  gap: 0.625rem;
  min-height: 36px;
  max-width: min(100%, 18rem);
  padding: 0.25rem 0.5rem 0.25rem 0.25rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.account-chip.is-loading {
  color: var(--color-text-3);
}

.account-chip.is-anonymous {
  border-style: dashed;
  color: var(--color-text-3);
}

.account-avatar {
  display: inline-grid;
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  place-items: center;
  background: var(--color-accent);
  color: #fafaf9;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1;
  text-transform: uppercase;
  user-select: none;
}

.account-chip.is-anonymous .account-avatar {
  background: var(--color-surface-2);
  color: var(--color-text-3);
}

.account-copy {
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 0.125rem;
  min-width: 0;
  color: var(--color-text-2);
  font-size: 0.875rem;
  line-height: 1.2;
}

.account-name {
  max-width: 12rem;
  overflow: hidden;
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.8125rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-email {
  max-width: 12rem;
  overflow: hidden;
  color: var(--color-text-3);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.01em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-chip .role-badge {
  flex: 0 0 auto;
  margin-left: 0.125rem;
}

/* —— Page shell & 12-column grid —— */

.page-shell {
  width: min(72rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 4rem 0 8rem;
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}

.col-span-12 {
  grid-column: span 12;
}

.page-section {
  padding-top: 4rem;
  padding-bottom: 2rem;
  border-top: 1px solid var(--color-border);
}

.section-numeral {
  display: block;
  font-size: clamp(4rem, 12vw, 8rem);
  font-weight: 300;
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: var(--color-text-4);
  user-select: none;
  pointer-events: none;
}

.section-numeral-on-dark {
  color: rgba(250, 250, 249, 0.08);
  position: absolute;
  top: 0;
  right: 0;
  font-size: clamp(8rem, 22vw, 16rem);
}

.hero {
  align-items: end;
  padding-bottom: 4rem;
  margin-bottom: 0;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.hero-main h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.hero-aside {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
  justify-content: flex-end;
}

.hero-copy {
  max-width: 60ch;
  margin-bottom: 0;
  color: var(--color-text-2);
  font-size: 1rem;
  line-height: 1.75;
  text-wrap: pretty;
}

.section-heading-row {
  align-items: end;
  margin-bottom: 2rem;
}

.section-heading-meta {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  min-height: 2rem;
}

.eyebrow {
  margin-bottom: 0.75rem;
  color: var(--color-text-3);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::after {
  content: "";
  display: block;
  width: 2rem;
  height: 1px;
  margin-top: 0.75rem;
  background: var(--color-accent);
}

.eyebrow-light {
  color: rgba(250, 250, 249, 0.4);
}

.eyebrow-light::after {
  background: #fafaf9;
}

.muted {
  color: var(--color-text-2);
}

.small {
  font-size: 0.875rem;
}

.architecture-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 0;
  background: var(--color-surface);
  color: var(--color-text-2);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.architecture-chip span[aria-hidden="true"] {
  color: var(--color-accent);
}

.section-heading {
  justify-content: space-between;
  margin-bottom: 0;
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 300;
}

/* —— Buttons —— */

.button {
  display: inline-flex;
  min-height: 44px;
  min-width: 44px;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid transparent;
  border-radius: 0;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  line-height: 1;
  text-decoration: none;
  transition:
    background 150ms ease,
    border-color 150ms ease,
    color 150ms ease,
    opacity 150ms ease;
}

.button:hover:not(:disabled) {
  /* no lift — Swiss is flat */
}

.button:active:not(:disabled) {
  transform: scale(0.98);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

.button-primary {
  background: var(--color-accent);
  color: #fafaf9;
}

.button-primary:hover:not(:disabled) {
  background: var(--color-accent-60);
}

.button-secondary {
  border-color: var(--color-border);
  background: transparent;
  color: var(--color-text);
}

.button-secondary:hover:not(:disabled) {
  border-color: var(--color-text);
  background: var(--color-surface);
}

.button-ghost {
  border-color: transparent;
  background: transparent;
  color: var(--color-text-2);
}

.button-ghost:hover:not(:disabled) {
  color: var(--color-text);
  background: var(--color-surface);
}

.button-small {
  min-height: 36px;
  min-width: 36px;
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
}

.theme-toggle {
  min-width: 44px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.6875rem;
}

.extensions-toggle {
  min-width: 44px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.6875rem;
}

.extensions-toggle.is-enabled {
  color: var(--color-text);
}

.extensions-toggle.is-disabled {
  color: var(--color-text-3);
}

.auth-theme-bar {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 2;
}

.button-wide {
  width: 100%;
}

/* —— Badges —— */

.role-badge,
.status-badge,
.version-badge,
.count-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0.25rem 0.5rem;
  border-radius: 0;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.role-editor,
.status-approved,
.status-published {
  background: var(--color-accent-10);
  color: var(--color-accent);
}

.role-viewer,
.status-in_review {
  background: var(--color-surface-2);
  color: var(--color-text-2);
}

.status-draft,
.status-unknown {
  background: var(--color-surface);
  color: var(--color-text-3);
  border: 1px solid var(--color-border);
}

.version-badge,
.count-badge {
  background: var(--color-surface);
  color: var(--color-text-3);
}

/* —— States —— */

.state-card {
  display: grid;
  min-height: 192px;
  place-items: center;
  align-content: center;
  gap: 0.75rem;
  padding: 2rem;
  border: 1px solid var(--color-border);
  border-radius: 0;
  background: var(--color-surface);
  color: var(--color-text-2);
  text-align: center;
}

.state-card p,
.state-card h2 {
  margin: 0;
}

.state-card-action {
  border-color: var(--color-border);
  background: var(--color-surface);
}

.state-card-error {
  border-color: var(--color-accent-20);
  background: var(--color-accent-10);
  color: var(--color-accent);
}

.spinner {
  width: 28px;
  height: 28px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 750ms linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* —— Release list —— */

.release-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}

.release-card {
  grid-column: span 12;
  display: flex;
  min-height: 240px;
  flex-direction: column;
  padding: 2rem;
  border: 1px solid var(--color-border);
  border-radius: 0;
  background: var(--color-surface);
}

.release-card-top {
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.release-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.card-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.card-link:hover {
  color: var(--color-accent);
}

.mono-label {
  color: var(--color-text-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
}

/* —— Release detail —— */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
  color: var(--color-text-3);
  font-size: 0.875rem;
}

.breadcrumb a {
  color: var(--color-text-2);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.release-hero {
  align-items: end;
  padding-bottom: 3rem;
  margin-bottom: 0;
  border-bottom: 1px solid var(--color-border);
}

.release-hero h1 {
  margin-top: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 300;
}

.release-updated {
  max-width: 60ch;
}

.release-hero-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
  justify-content: flex-end;
}

.snapshot-grid {
  padding-top: 3rem;
  gap: 1rem 2rem;
}

.snapshot-grid .panel {
  min-height: 280px;
}

.snapshot-grid .draft-copy {
  max-width: 60ch;
}

.title-line {
  gap: 0.75rem;
}

.panel {
  min-height: 255px;
  padding: clamp(1.5rem, 3vw, 2rem);
  border: 1px solid var(--color-border);
  border-radius: 0;
  background: var(--color-surface);
}

.panel-heading {
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.panel-heading h2 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 400;
}

.draft-copy {
  min-height: 72px;
  margin-bottom: 1.5rem;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.75;
  white-space: pre-wrap;
  text-wrap: pretty;
}

.comment-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.comment-item {
  padding: 1rem 0;
  border-top: 1px solid var(--color-border);
}

.comment-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.comment-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
}

.comment-head time {
  color: var(--color-text-3);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
}

.comment-item p {
  margin: 0;
  color: var(--color-text-2);
  line-height: 1.65;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.comment-empty {
  padding: 1rem 0;
  color: var(--color-text-3);
  text-align: center;
}

.host-comment-form {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.host-comment-form textarea {
  width: 100%;
  min-height: 5.5rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 0;
  background: transparent;
  color: var(--color-text);
  font: inherit;
  font-size: 0.9375rem;
  line-height: 1.55;
  resize: vertical;
  transition: border-color 150ms ease;
}

.host-comment-form textarea::placeholder {
  color: var(--color-text-4);
}

.host-comment-form textarea:focus {
  border-color: var(--color-text);
  outline: none;
}

.host-comment-form textarea:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}

.host-comment-form textarea:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.host-comment-form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.host-comment-form-footer p {
  margin: 0;
  min-height: 1.25rem;
  flex: 1;
}

.host-comment-readonly {
  margin: 1.25rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

/* —— Toasts —— */

.toast-region {
  position: fixed;
  z-index: 40;
  right: 1.25rem;
  bottom: 1.25rem;
  width: min(380px, calc(100% - 2.5rem));
}

.toast {
  padding: 1rem 1.25rem;
  border: 1px solid var(--color-border);
  border-left: 2px solid var(--color-text);
  border-radius: 0;
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.875rem;
}

.toast-error {
  border-left-color: var(--color-accent);
  background: var(--color-accent-10);
  color: var(--color-accent);
}

/* —— Auth / Login —— */

.auth-page {
  background: var(--color-bg);
}

.auth-shell {
  display: grid;
  min-height: 100vh;
  grid-template-columns: minmax(320px, 0.9fr) minmax(360px, 1.1fr);
}

.auth-story {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(2rem, 6vw, 4rem);
  background: #1c1917;
  color: #fafaf9;
  position: relative;
  overflow: hidden;
}

.auth-story-copy {
  max-width: 36rem;
  margin: 4rem 0;
  position: relative;
  z-index: 1;
}

.auth-story-copy h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.auth-story-copy > p:last-child {
  max-width: 52ch;
  margin: 0;
  color: rgba(250, 250, 249, 0.6);
  font-size: 1rem;
  line-height: 1.75;
}

.feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  padding: 0.5rem 0.75rem;
  border: 1px solid rgba(250, 250, 249, 0.16);
  border-radius: 0;
  background: transparent;
  color: rgba(250, 250, 249, 0.6);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.auth-panel {
  position: relative;
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 2rem;
  background: var(--color-bg);
}

.auth-form-wrap {
  width: min(100%, 420px);
  padding: clamp(1.5rem, 5vw, 2.5rem);
  border: 1px solid var(--color-border);
  border-radius: 0;
  background: var(--color-surface);
}

.auth-form-wrap > h2 {
  font-size: 1.75rem;
  font-weight: 300;
  letter-spacing: -0.02em;
}

.form-stack {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.field {
  display: grid;
  gap: 0.5rem;
  color: var(--color-text-2);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.field input {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 0;
  background: transparent;
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: normal;
  text-transform: none;
  transition: border-color 150ms ease;
}

.field input::placeholder {
  color: var(--color-text-4);
}

.field input:focus {
  border-color: var(--color-text);
  outline: none;
}

.field input:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}

.alert {
  margin: 1rem 0;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-accent-20);
  border-radius: 0;
  background: var(--color-accent-10);
  color: var(--color-accent);
  font-size: 0.875rem;
}

.alert-error {
  border-color: var(--color-accent-20);
  background: var(--color-accent-10);
  color: var(--color-accent);
}

.demo-credentials {
  display: grid;
  gap: 0.75rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.demo-title {
  margin-bottom: 0.25rem;
  font-weight: 500;
  font-size: 0.875rem;
}

.demo-credentials p {
  margin-bottom: 0;
}

.demo-credentials dl {
  display: grid;
  gap: 0.5rem;
  margin: 0;
}

.demo-credentials dl > div {
  display: grid;
  grid-template-columns: 4rem 1fr;
  align-items: baseline;
  gap: 0.75rem;
}

.demo-credentials dt {
  color: var(--color-text-3);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.demo-credentials dd {
  margin: 0;
}

.text-button {
  min-height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-accent);
  cursor: pointer;
  font-weight: 500;
  font-size: 0.875rem;
  text-align: left;
}

.text-button:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* —— Responsive —— */

@media (min-width: 768px) {
  .md-col-span-4 {
    grid-column: span 4;
  }

  .md-col-span-8 {
    grid-column: span 8;
  }

  .grid-12 {
    gap: 2rem;
  }

  .release-card {
    grid-column: span 6;
  }

  .section-heading-meta {
    justify-content: flex-end;
  }

  .hero-aside,
  .release-hero-actions {
    align-items: flex-end;
    text-align: right;
  }

  .page-shell {
    padding: 6rem 0 10rem;
  }

  .page-section {
    padding-top: 6rem;
  }
}

@media (min-width: 1024px) {
  .page-shell {
    width: min(72rem, calc(100% - 4rem));
  }
}

@media (max-width: 840px) {
  .auth-shell {
    grid-template-columns: 1fr;
  }

  .auth-story {
    min-height: auto;
  }

  .auth-panel {
    min-height: auto;
    padding: 3rem 1rem;
  }

  .architecture-chip {
    flex-wrap: wrap;
  }
}

@media (max-width: 680px) {
  .topbar {
    flex-wrap: wrap;
    gap: 0.75rem;
    row-gap: 0.75rem;
  }

  .topbar-right {
    width: 100%;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .account-area {
    padding-left: 0;
    border-left: none;
  }

  .account-chip {
    max-width: 100%;
    flex: 1 1 auto;
  }

  .account-name,
  .account-email {
    max-width: 9rem;
  }

  .page-shell {
    width: min(100% - 1.25rem, 72rem);
    padding: 2.5rem 0 5rem;
  }

  .hero {
    padding-bottom: 2.5rem;
  }

  .page-section {
    padding-top: 2.5rem;
  }

  .section-numeral {
    font-size: 3.5rem;
  }

  .auth-story {
    padding: 1.5rem;
  }

  .auth-story-copy {
    margin: 2.5rem 0;
    position: relative;
  }

  .auth-story-copy h1 {
    font-size: 2rem;
  }
}

.role-reviewer,
.status-changes_requested {
  background: color-mix(in srgb, var(--color-accent) 14%, var(--color-surface));
  color: var(--color-accent);
}

.role-policy {
  background: var(--color-surface-2);
  color: var(--color-text-2);
}

.policy-set-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.policy-set-button {
  display: grid;
  gap: 0.25rem;
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: inherit;
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.policy-set-item.is-selected .policy-set-button {
  border-color: var(--color-text);
  background: var(--color-surface-2);
}

.policy-rules-json,
#policy-description,
#policy-title {
  width: 100%;
  max-width: none;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.85rem;
}

.queue-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1rem;
}

.queue-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 2.25rem;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-2);
  font: inherit;
  font-size: 0.875rem;
  cursor: pointer;
}

.queue-tab:hover {
  border-color: var(--color-text-3);
  color: var(--color-text);
}

.queue-tab.is-active {
  border-color: var(--color-text);
  background: var(--color-surface-2);
  color: var(--color-text);
  font-weight: 500;
}

.queue-tab-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.35rem;
  min-height: 1.35rem;
  padding: 0 0.3rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
}

.queue-tab.is-active .queue-tab-count {
  border-color: var(--color-text-3);
}

.task-queue {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
}

.task-card {
  display: grid;
  gap: 0.75rem;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.task-card h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 500;
}

.review-panel {
  display: grid;
  gap: 1.25rem;
}

.review-block {
  display: grid;
  gap: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--color-border);
}

.review-block-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
}

.review-form-row {
  display: grid;
  gap: 0.4rem;
}

.review-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.select-input,
#return-reason {
  width: 100%;
  max-width: 36rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 0;
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
}

.review-meta-list {
  display: grid;
  gap: 0.5rem 1.5rem;
  margin: 0;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
}

.review-meta-list div {
  display: grid;
  gap: 0.15rem;
}

.review-meta-list dt {
  margin: 0;
  color: var(--color-text-3);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.review-meta-list dd {
  margin: 0;
}

.review-submitted-text {
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  white-space: pre-wrap;
  line-height: 1.55;
}

.review-decision-banner {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.review-decision-banner p {
  margin: 0;
}

.review-checklist-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.review-checklist-header h4 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 500;
}

.review-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.review-checklist-item {
  display: grid;
  gap: 0.45rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.review-checklist-title {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  align-items: baseline;
}

.review-checklist-title code {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  color: var(--color-text-3);
}

.review-result {
  justify-self: start;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.review-result-pass {
  color: #067647;
}

.review-result-fail {
  color: #b42318;
}

.review-result-pending,
.review-result-na {
  color: var(--color-text-3);
}

.review-checklist-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.review-actions {
  display: grid;
  gap: 0.65rem;
}

.revision-compare-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 0.85rem;
  align-items: end;
  margin-bottom: 1rem;
}

.revision-compare-row .field {
  margin: 0;
}

.revision-compare-row .select-input {
  max-width: 8rem;
}

.revision-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.revision-item {
  display: grid;
  gap: 0.4rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.revision-item-head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  align-items: baseline;
  justify-content: space-between;
}

.revision-item-text {
  margin: 0;
  white-space: pre-wrap;
  line-height: 1.5;
  color: var(--color-text-2);
}

.revision-diff {
  margin-bottom: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
}

.revision-diff-body {
  white-space: pre-wrap;
  line-height: 1.6;
  word-break: break-word;
}

.diff-equal {
  color: var(--color-text);
}

.diff-delete {
  color: #b42318;
  text-decoration: line-through;
  background: color-mix(in srgb, #b42318 12%, transparent);
}

.diff-delete::before {
  content: "−";
  font-weight: 600;
  margin-right: 0.05em;
}

.diff-insert {
  color: #067647;
  background: color-mix(in srgb, #067647 12%, transparent);
}

.diff-insert::before {
  content: "+";
  font-weight: 600;
  margin-right: 0.05em;
}

.status-withdrawn {
  background: var(--color-surface-2);
  color: var(--color-text-3);
}

.audit-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.audit-item {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.audit-item-head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  align-items: baseline;
  justify-content: space-between;
}

.audit-item-head code {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  color: var(--color-text-3);
}

.audit-item p {
  margin: 0;
}

/* —— Documentation page —— */

.doc-page {
  padding-bottom: 6rem;
}

.doc-lede {
  max-width: 60ch;
}

.doc-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.doc-hero-figure {
  display: grid;
  gap: 0.75rem;
  justify-items: end;
}

.doc-figure {
  margin: 0;
  width: 100%;
}

.doc-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  object-fit: cover;
}

.doc-figure-hero img {
  aspect-ratio: 16 / 9;
}

.doc-figure figcaption,
.doc-diagram figcaption {
  margin-top: 0.75rem;
  color: var(--color-text-3);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.5;
}

.doc-toc {
  margin: 2rem 0 0;
  padding: 1.5rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.doc-toc ol {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr));
  gap: 0.5rem 1.5rem;
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: toc;
}

.doc-toc li {
  counter-increment: toc;
}

.doc-toc a {
  display: inline-flex;
  gap: 0.5rem;
  min-height: 44px;
  align-items: center;
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.9375rem;
}

.doc-toc a::before {
  content: counter(toc, decimal-leading-zero);
  color: var(--color-text-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.doc-toc a:hover {
  color: var(--color-accent);
}

.doc-article {
  margin-top: 0.5rem;
}

.doc-section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--color-border);
  scroll-margin-top: 5rem;
}

.doc-section-end {
  border-bottom: 0;
}

.doc-prose-row {
  margin-top: 1.5rem;
  align-items: start;
}

.doc-body {
  max-width: 60ch;
  margin: 0 0 1rem;
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.7;
  text-wrap: pretty;
}

.doc-body-secondary {
  color: var(--color-text-2);
}

.doc-body strong {
  font-weight: 500;
}

.doc-list {
  max-width: 60ch;
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-text-2);
  line-height: 1.7;
}

.doc-list li + li {
  margin-top: 0.75rem;
}

.doc-list-numbered {
  padding-left: 1.5rem;
}

.doc-list strong {
  color: var(--color-text);
  font-weight: 500;
}

.doc-callout {
  padding: 1.25rem 1.25rem 1.5rem;
  border: 1px solid var(--color-border);
  border-top: 2px solid var(--color-accent);
  background: var(--color-surface);
}

.doc-callout-tight {
  margin-top: 1rem;
}

.doc-callout p {
  margin: 0;
  max-width: 40ch;
  color: var(--color-text-2);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.doc-callout-label {
  margin-bottom: 0.5rem !important;
  color: var(--color-text-3) !important;
  font-size: 0.6875rem !important;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.doc-principle-grid,
.doc-mode-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.doc-card {
  display: grid;
  gap: 0.75rem;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.doc-card-wide {
  min-height: 100%;
}

.doc-card-num {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.doc-card-kicker {
  margin: 0;
  color: var(--color-text-3);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.doc-card h3 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.doc-card p {
  margin: 0;
  max-width: 48ch;
  color: var(--color-text-2);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.doc-table-wrap {
  margin-top: 1.5rem;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  -webkit-overflow-scrolling: touch;
}

.doc-table {
  width: 100%;
  min-width: 36rem;
  border-collapse: collapse;
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
}

.doc-table th,
.doc-table td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.doc-table thead th {
  background: var(--color-surface);
  color: var(--color-text-3);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.doc-table tbody th {
  color: var(--color-text);
  font-weight: 500;
  white-space: nowrap;
}

.doc-table tbody td {
  color: var(--color-text-2);
  max-width: 28rem;
}

.doc-table tbody tr:last-child th,
.doc-table tbody tr:last-child td {
  border-bottom: 0;
}

.doc-diagram {
  margin: 1.5rem 0 0;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.doc-diagram svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 28rem;
}

.doc-svg-box {
  fill: var(--color-bg);
  stroke: var(--color-border);
  stroke-width: 1.5;
}

.doc-svg-box-accent {
  fill: var(--color-accent);
  stroke: var(--color-accent);
}

.doc-svg-box-soft {
  fill: var(--color-surface-2);
  stroke: var(--color-border);
  stroke-width: 1;
}

.doc-svg-line {
  stroke: var(--color-text-3);
  stroke-width: 1.5;
}

.doc-svg-label {
  fill: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
}

.doc-svg-label-on-accent {
  fill: #fafaf9;
}

.doc-svg-meta {
  fill: var(--color-text-2);
  font-family: var(--font-sans);
  font-size: 13px;
}

.doc-svg-meta-on-accent {
  fill: rgba(250, 250, 249, 0.85);
}

.doc-svg-caption {
  fill: var(--color-text-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.doc-subhead {
  margin: 1.5rem 0 0.75rem;
  font-size: 1rem;
  font-weight: 500;
}

.doc-code {
  margin: 0 0 1rem;
  padding: 1rem 1.125rem;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
}

.doc-code-compact {
  margin: 0.5rem 0 0;
  padding: 0.75rem;
  font-size: 0.75rem;
}

.doc-code code {
  padding: 0;
  background: transparent;
  font-size: inherit;
}

.doc-phase-list {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.doc-phase-list > li {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 1rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--color-border);
}

.doc-phase-list > li:last-child {
  border-bottom: 1px solid var(--color-border);
}

.doc-phase-label {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.doc-phase-list h3 {
  margin: 0 0 0.35rem;
  font-size: 1.125rem;
  font-weight: 400;
}

.doc-phase-list p {
  margin: 0;
  max-width: 60ch;
  color: var(--color-text-2);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.doc-footnote {
  margin: 2rem 0 0;
  max-width: 70ch;
  color: var(--color-text-3);
  font-size: 0.8125rem;
  line-height: 1.6;
}

html.dark .doc-svg-label-on-accent {
  fill: #fafaf9;
}

html.dark .doc-svg-meta-on-accent {
  fill: rgba(250, 250, 249, 0.88);
}

@media (max-width: 840px) {
  .doc-hero-figure {
    justify-items: stretch;
  }

  .doc-section {
    padding: 3rem 0;
  }

  .doc-phase-list > li {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

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

  .button:active:not(:disabled) {
    transform: none;
  }
}