/* hovel — synthwave operator console */

:root {
  --bg:        #0a0818;
  --bg-deep:   #050310;
  --surface:   #120d24;
  --surface-2: #1a1334;
  --border:    #2a1f52;
  --border-2:  #4a2f8f;
  --text:      #ece6ff;
  --muted:     #8a83bf;
  --dim:       #4d4574;

  /* synthwave neons */
  --magenta:   #ff3ee0;
  --magenta-2: #ff62c4;
  --cyan:      #52f0ff;
  --cyan-2:    #7df0ff;
  --violet:    #9b6bff;
  --amber:     #ffb454;

  /* semantic */
  --accent:    var(--magenta);
  --accent-2:  var(--cyan);
  --accent-3:  var(--amber);
  --success:   #50fa9b;
  --danger:    #ff5577;

  --code-bg:   #07041a;
  --code-fg:   #b8e7ff;

  --glow-magenta: 0 0 12px rgba(255, 62, 224, 0.45);
  --glow-cyan:    0 0 12px rgba(82, 240, 255, 0.45);

  --mono: ui-monospace, "JetBrains Mono", "SF Mono", "Cascadia Mono",
          "DejaVu Sans Mono", "Menlo", "Consolas", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background:
    radial-gradient(1100px 500px at 90% -10%, rgba(255, 62, 224, 0.07), transparent 60%),
    radial-gradient(900px 400px at -10% 110%, rgba(82, 240, 255, 0.06), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dotted color-mix(in srgb, var(--cyan) 40%, transparent);
  transition: color 120ms, border-color 120ms, text-shadow 120ms;
}
a:hover {
  color: var(--magenta);
  border-bottom-color: var(--magenta);
  text-shadow: var(--glow-magenta);
}

/* ---------- top bar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 0;
  background: linear-gradient(180deg, rgba(18, 13, 36, 0.95) 0%, rgba(10, 8, 24, 0.92) 100%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(255, 62, 224, 0.12), 0 6px 24px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(6px);
}
.topbar-inner {
  display: flex;
  width: 100%;
  max-width: 1280px;
  min-height: 3.4rem;
  align-items: center;
  gap: 1rem;
  margin: 0 auto;
  padding: 0.55rem 1.5rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  border-bottom: none;
}
.brand:hover { color: var(--magenta); text-shadow: var(--glow-magenta); }
.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  image-rendering: pixelated;
  box-shadow: 0 0 0 1px var(--border-2), 0 0 10px rgba(155, 107, 255, 0.35);
}
.brand-name {
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: 0.14em;
  font-size: 0.95rem;
  text-shadow: 0 0 8px rgba(255, 62, 224, 0.35);
}
.brand-tag {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 0.1em;
  opacity: 0.7;
}
.top-nav {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.78rem;
}
.top-nav > a {
  display: inline-flex;
  min-height: 2rem;
  align-items: center;
  padding: 0.3rem 0.48rem;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.top-nav > a[aria-current="page"] {
  border-color: rgba(255, 62, 224, 0.18);
  color: var(--magenta);
  background: rgba(255, 62, 224, 0.06);
  text-shadow: var(--glow-magenta);
}
.top-nav > a:hover {
  border-color: rgba(82, 240, 255, 0.18);
  color: var(--cyan);
  background: rgba(82, 240, 255, 0.05);
  text-shadow: var(--glow-cyan);
}
.nav-toggle {
  display: none;
}
.docs-search-trigger,
.nav-toggle,
.search-dialog-close {
  border: 0;
  color: var(--muted);
  background: transparent;
  font: inherit;
  cursor: pointer;
}
.docs-search-trigger {
  display: inline-flex;
  min-height: 2rem;
  align-items: center;
  gap: 0.45rem;
  margin-left: 0.35rem;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--muted);
  background: rgba(18, 13, 36, 0.72);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.docs-search-trigger:hover,
.docs-search-trigger:focus-visible {
  border-color: var(--cyan);
  outline: none;
  color: var(--cyan);
  background: rgba(82, 240, 255, 0.06);
  text-shadow: var(--glow-cyan);
}
.docs-search-trigger kbd {
  min-width: 1rem;
  padding: 0 0 0 0.45rem;
  border: 0;
  border-left: 1px solid var(--border);
  border-radius: 0;
  color: var(--cyan);
  background: transparent;
  font-size: 0.65rem;
  text-align: center;
  box-shadow: none;
}

/* ---------- search palette ---------- */

.search-dialog {
  width: min(48rem, calc(100vw - 2rem));
  max-height: min(42rem, calc(100vh - 4rem));
  margin: 10vh auto auto;
  padding: 0;
  border: 1px solid var(--border-2);
  border-radius: 6px;
  color: var(--text);
  background: rgba(10, 8, 24, 0.98);
  font-family: var(--sans);
  font-size: 16px;
  letter-spacing: 0;
  text-align: left;
  text-transform: none;
  box-shadow:
    0 0 0 1px rgba(82, 240, 255, 0.08),
    0 24px 80px rgba(0, 0, 0, 0.72),
    0 0 42px rgba(155, 107, 255, 0.2);
  overflow: hidden;
}
.search-dialog::backdrop {
  background: rgba(5, 3, 16, 0.78);
  backdrop-filter: blur(5px);
}
.search-dialog-frame {
  display: flex;
  max-height: min(42rem, calc(100vh - 4rem));
  flex-direction: column;
}
.search-dialog-header,
.search-dialog-footer {
  display: flex;
  align-items: center;
  font-family: var(--mono);
}
.search-dialog-header {
  justify-content: space-between;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--cyan);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.search-dialog-close {
  width: 2rem;
  height: 2rem;
  color: var(--muted);
  font-size: 1.3rem;
  line-height: 1;
}
.search-dialog-close:hover,
.search-dialog-close:focus-visible {
  color: var(--magenta);
  text-shadow: var(--glow-magenta);
}
.search-input-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.6rem;
  align-items: center;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--border);
  color: var(--magenta);
  font-family: var(--mono);
  font-size: 1.25rem;
}
.search-input-row input {
  width: 100%;
  min-width: 0;
  padding: 0;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
  font-family: var(--mono);
  font-size: 1rem;
  letter-spacing: 0;
}
.search-input-row input::placeholder {
  color: var(--dim);
}
.search-input-row input::-webkit-search-cancel-button {
  filter: invert(1);
}
.search-status {
  margin: 0;
  padding: 0.65rem 1.1rem;
  border-bottom: 1px dashed var(--border);
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.7rem;
}
.search-results {
  min-height: 7rem;
  overflow-y: auto;
  padding: 0.55rem;
}
.search-result {
  display: grid;
  grid-template-areas:
    "meta title"
    "meta excerpt";
  grid-template-columns: 7.5rem minmax(0, 1fr);
  gap: 0.25rem 1.2rem;
  min-height: 5.5rem;
  align-content: center;
  padding: 0.9rem 1rem;
  border: 1px solid transparent;
  border-bottom-color: var(--border);
  border-radius: 4px;
  color: var(--text);
  letter-spacing: 0;
  text-transform: none;
}
.search-result:hover,
.search-result:focus-visible {
  border-color: var(--border-2);
  outline: none;
  color: var(--text);
  background: linear-gradient(90deg, rgba(255, 62, 224, 0.1), rgba(82, 240, 255, 0.04));
  text-shadow: none;
}
.search-result-meta {
  grid-area: meta;
  align-self: start;
  padding-top: 0.2rem;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.search-result strong {
  grid-area: title;
  color: var(--text);
  font-size: 0.98rem;
  line-height: 1.35;
}
.search-result-excerpt {
  display: -webkit-box;
  grid-area: excerpt;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.search-dialog-footer {
  flex-wrap: wrap;
  gap: 1rem;
  padding: 0.65rem 1rem;
  border-top: 1px solid var(--border);
  color: var(--dim);
  font-size: 0.65rem;
}
.search-dialog-footer span {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.search-dialog-footer kbd {
  padding: 0.03rem 0.25rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--muted);
  background: var(--surface);
  font-size: 0.62rem;
}

/* ---------- shell layout ---------- */

.layout {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  flex: 1;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
}

.sidebar {
  position: sticky;
  top: 3.3rem;
  align-self: start;
  max-height: calc(100vh - 3.3rem);
  overflow-y: auto;
  scrollbar-width: none;
  padding: 1.5rem 1rem 3rem 1.5rem;
  border-right: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.85rem;
}
.sidebar::-webkit-scrollbar {
  display: none;
}
.sidebar-toggle {
  display: none;
}
.sidebar-section {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin: 1.25rem 0 0.45rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px dashed var(--border);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  opacity: 0.7;
}
.sidebar-section > span {
  color: var(--magenta);
  font-size: 0.62rem;
  text-shadow: var(--glow-magenta);
}
.sidebar ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.sidebar li { margin: 0; }
.sidebar a {
  display: block;
  padding: 0.28rem 0.5rem;
  color: var(--muted);
  border-bottom: none;
  border-left: 2px solid transparent;
  border-radius: 0 4px 4px 0;
  text-shadow: none;
  transition: color 120ms, background 120ms, border-color 120ms;
}
.sidebar a:hover {
  color: var(--cyan);
  background: var(--surface);
  text-shadow: none;
}
.sidebar a[aria-current="page"] {
  color: var(--magenta);
  background: linear-gradient(90deg, rgba(255, 62, 224, 0.12), transparent 80%);
  border-left-color: var(--magenta);
  text-shadow: var(--glow-magenta);
}
.sidebar-contents {
  display: grid !important;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.35rem;
  align-items: baseline;
  margin: 0 0 1rem;
  padding: 0.55rem 0.6rem !important;
  border: 1px solid var(--border) !important;
  border-left: 2px solid var(--cyan) !important;
  border-radius: 4px !important;
  background: rgba(82, 240, 255, 0.035);
}
.sidebar-contents > span,
.sidebar-chapter-number {
  color: var(--cyan);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
}
.sidebar-contents > strong {
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 600;
}
.sidebar-part + .sidebar-part {
  margin-top: 1.45rem;
}
.sidebar-part .sidebar-section {
  margin-top: 0;
}
.sidebar-part a {
  display: grid;
  grid-template-columns: 1.65rem minmax(0, 1fr);
  gap: 0.35rem;
  align-items: baseline;
}
.sidebar-part a > span:last-child {
  min-width: 0;
}
.sidebar details {
  margin: 0;
}
.sidebar summary {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--muted);
  cursor: pointer;
  list-style-position: inside;
}
.sidebar summary::marker {
  color: var(--cyan);
  font-size: 0.72rem;
}
.sidebar summary a {
  display: inline-block;
  flex: 1;
}
.sidebar-nested {
  margin: 0.15rem 0 0.35rem 0.75rem !important;
  padding-left: 0.45rem !important;
  border-left: 1px dashed var(--border);
}
.sidebar-nested a {
  padding-left: 0.45rem;
  font-size: 0.78rem;
}
.module-switcher {
  display: grid;
  gap: 0.3rem;
}
.module-switcher a {
  display: grid;
  grid-template-columns: 1.6rem minmax(0, 1fr);
  gap: 0.45rem;
  align-items: start;
  padding: 0.55rem 0.6rem;
  border: 1px solid transparent;
  border-left: 2px solid transparent;
}
.module-switcher a > span:first-child {
  padding-top: 0.08rem;
  color: var(--magenta);
  font-size: 0.65rem;
}
.module-switcher a > span:last-child {
  display: grid;
  min-width: 0;
}
.module-switcher strong {
  overflow: hidden;
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 600;
  text-overflow: ellipsis;
}
.module-switcher small {
  color: var(--dim);
  font-size: 0.62rem;
  line-height: 1.4;
}
.module-switcher a.module-is-current {
  border-color: var(--border);
  border-left-color: var(--cyan);
  background: rgba(82, 240, 255, 0.045);
}
.module-sidebar-documents {
  margin-top: 1.4rem;
}
.module-sidebar-documents .sidebar-section {
  margin-top: 0;
}
.module-sidebar-documents a {
  grid-template-columns: 2.65rem minmax(0, 1fr);
}

.content {
  padding: 2rem 2.5rem 4rem;
  max-width: 900px;
  min-width: 0;
}
.structured-content {
  width: 100%;
  max-width: 1080px;
  padding: 2.5rem 3.5rem 5rem;
}

/* ---------- structured documentation ---------- */

.document-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.2rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.document-id {
  color: var(--magenta);
  text-shadow: var(--glow-magenta);
}
.document-context {
  color: var(--cyan);
}
.numbered-document h1,
.book-contents-page h1,
.module-directory-page h1 {
  margin-top: 0;
  padding-bottom: 0.85rem;
  font-size: 2.4rem;
}
.numbered-document h1::before,
.book-contents-page h1::before,
.module-directory-page h1::before {
  content: "";
}
.numbered-document {
  counter-reset: document-section;
}
.numbered-document h2 {
  counter-increment: document-section;
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.5rem;
  align-items: baseline;
}
.numbered-document h2::before {
  content: counter(document-section, decimal-leading-zero);
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-shadow: none;
}
.book-introduction {
  max-width: 52rem;
}
.book-kicker {
  margin: 0 0 0.5rem;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.book-lede {
  max-width: 48rem;
  color: var(--muted);
  font-size: 1.05rem;
}
.book-toc {
  margin-top: 2.5rem;
}
.book-toc-header {
  display: grid;
  grid-template-columns: minmax(16rem, 1fr) minmax(16rem, 0.8fr);
  gap: 2rem;
  align-items: end;
  padding: 1.35rem 0;
  border-top: 1px solid var(--border-2);
  border-bottom: 1px solid var(--border-2);
}
.book-toc-header h2 {
  margin: 0;
  color: var(--text);
  font-size: 1.55rem;
  text-shadow: none;
}
.book-toc-header h2::before {
  content: "";
}
.book-toc-header > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}
.book-parts {
  margin-top: 0.75rem;
}
.book-part {
  padding: 1.5rem 0 0.4rem;
  border-bottom: 1px solid var(--border);
}
.book-part-header {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr) auto;
  gap: 0.8rem;
  align-items: baseline;
  margin-bottom: 0.65rem;
  padding: 0 0.5rem;
}
.book-part-number,
.book-part-count {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.book-part-number {
  color: var(--magenta);
}
.book-part-header h3 {
  margin: 0;
  color: var(--cyan);
  font-size: 1rem;
  letter-spacing: 0;
  text-shadow: none;
}
.book-chapter-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.book-chapter-list li {
  margin: 0;
}
.book-chapter-list a {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr) 2rem;
  gap: 0.8rem;
  align-items: center;
  min-height: 5rem;
  padding: 0.8rem 0.5rem;
  border-top: 1px solid rgba(42, 31, 82, 0.72);
  color: var(--text);
  text-shadow: none;
}
.book-chapter-list a:hover,
.book-chapter-list a:focus-visible {
  outline: none;
  color: var(--text);
  background: linear-gradient(90deg, rgba(255, 62, 224, 0.065), rgba(82, 240, 255, 0.025), transparent);
  text-shadow: none;
}
.book-chapter-number {
  color: var(--magenta);
  font-family: var(--mono);
  font-size: 1.05rem;
  text-align: center;
  text-shadow: var(--glow-magenta);
}
.book-chapter-copy {
  display: grid;
  gap: 0.18rem;
  min-width: 0;
}
.book-chapter-copy strong {
  color: var(--text);
  font-size: 0.95rem;
}
.book-chapter-copy > span {
  display: -webkit-box;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.4;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.book-chapter-arrow {
  color: var(--cyan);
  font-family: var(--mono);
  text-align: center;
  transition: transform 120ms;
}
.book-chapter-list a:hover .book-chapter-arrow {
  transform: translateX(0.2rem);
}
.module-directory-entry .book-part-header h3 a {
  color: inherit;
  border-bottom: 0;
  text-shadow: none;
}
.module-directory-entry .book-part-header h3 a:hover {
  color: var(--magenta);
}
.module-directory-meta {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  margin: 0 0.5rem 0.75rem 6.3rem;
  color: var(--muted);
  font-size: 0.8rem;
}
.module-directory-meta span {
  flex: 0 0 auto;
  padding: 0.12rem 0.35rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--cyan);
  background: rgba(82, 240, 255, 0.04);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.module-directory-meta span + span {
  color: var(--success);
  background: rgba(92, 255, 160, 0.04);
}
.module-directory .book-chapter-list a {
  min-height: 4.25rem;
}
.module-directory-open {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 2rem;
  gap: 0.8rem;
  align-items: center;
  min-height: 3.5rem;
  padding: 0.7rem 0.5rem 0.7rem 6.3rem;
  border-top: 1px solid rgba(42, 31, 82, 0.72);
  border-bottom: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-shadow: none;
}
.module-directory-open strong {
  color: var(--cyan);
  font-size: 0.65rem;
  font-weight: 500;
}
.module-directory-open > span:last-child {
  color: var(--cyan);
  text-align: center;
  transition: transform 120ms;
}
.module-directory-open:hover {
  color: var(--text);
  background: linear-gradient(90deg, rgba(255, 62, 224, 0.065), rgba(82, 240, 255, 0.025), transparent);
  text-shadow: none;
}
.module-directory-open:hover > span:last-child {
  transform: translateX(0.2rem);
}
.book-resources {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.book-resources a {
  display: grid;
  gap: 0.15rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  border-radius: 5px;
  background: var(--surface);
}
.book-resources span {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.book-resources strong {
  color: var(--text);
  font-size: 0.88rem;
}

/* ---------- typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--sans);
  color: var(--text);
  line-height: 1.25;
  margin-top: 2rem;
  margin-bottom: 0.6rem;
}
h1 {
  margin-top: 0.5rem;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.6rem;
}
h1::before {
  content: "// ";
  font-family: var(--mono);
  color: var(--magenta);
  font-weight: 400;
  text-shadow: var(--glow-magenta);
}
h2 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--magenta);
  margin-top: 2.4rem;
  text-shadow: 0 0 10px rgba(255, 62, 224, 0.25);
}
h2::before {
  content: "§ ";
  color: var(--dim);
  font-weight: 400;
  text-shadow: none;
}
h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--cyan);
  margin-top: 1.6rem;
  text-shadow: 0 0 10px rgba(82, 240, 255, 0.25);
}
h4 {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--violet);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
p { margin: 0.75rem 0; }

ul, ol {
  margin: 0.6rem 0 0.9rem;
  padding-left: 1.4rem;
}
li { margin: 0.2rem 0; }
ul li::marker { color: var(--magenta); }
ol li::marker { color: var(--cyan); font-family: var(--mono); }

table {
  width: 100%;
  margin: 1rem 0 1.25rem;
  border-collapse: collapse;
  overflow-wrap: anywhere;
}
th,
td {
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  vertical-align: top;
}
th {
  color: var(--cyan);
  background: rgba(82, 240, 255, 0.07);
  font-family: var(--mono);
  font-size: 0.82rem;
  text-align: left;
}
td {
  background: rgba(18, 13, 36, 0.6);
}

blockquote {
  margin: 1rem 0;
  padding: 0.6rem 1rem;
  border-left: 3px solid var(--magenta);
  background: linear-gradient(90deg, rgba(255, 62, 224, 0.05), transparent 80%);
  color: var(--text);
  font-style: italic;
  box-shadow: -1px 0 0 rgba(255, 62, 224, 0.45);
}

.module-kicker {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.module-logo {
  float: right;
  width: min(10rem, 34vw);
  height: auto;
  margin: 0 0 1rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-deep);
  box-shadow: 0 0 24px rgba(82, 240, 255, 0.14);
}

.demo-figure {
  margin: 1.2rem 0 1.4rem;
  padding: 1rem;
  background:
    linear-gradient(180deg, rgba(255, 180, 84, 0.065), rgba(82, 240, 255, 0.035)),
    var(--code-bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: 6px;
  box-shadow: inset 0 0 30px rgba(255, 180, 84, 0.06), 0 0 0 1px rgba(255, 180, 84, 0.08);
}
.demo-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(82, 240, 255, 0.22);
  border-radius: 4px;
  background: var(--bg-deep);
}
.demo-figure figcaption {
  margin: 0.7rem 0 0;
  padding: 0.45rem 0 0;
  border-top: 1px dashed var(--border);
  color: var(--amber);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.demo-series {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin: 1.2rem 0 1.4rem;
}
.demo-series .demo-figure {
  margin: 0;
  width: 100%;
}
.demo-series .demo-figure figcaption strong {
  color: var(--cyan);
  font-weight: 700;
}
.component-gallery {
  grid-template-columns: minmax(0, 1fr);
}
/* ---------- homepage demo carousel ---------- */

.demo-carousel {
  display: block;
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 1.75rem 2.5rem 0.5rem;
}
.demo-carousel-panel {
  padding: 1rem;
  border: 1px solid var(--border);
  border-left: 3px solid var(--cyan);
  border-radius: 6px;
  background:
    linear-gradient(180deg, rgba(82, 240, 255, 0.05), rgba(255, 62, 224, 0.035)),
    var(--code-bg);
  box-shadow:
    inset 0 0 34px rgba(82, 240, 255, 0.05),
    0 0 34px rgba(82, 240, 255, 0.1),
    0 0 70px rgba(255, 62, 224, 0.08);
}
.demo-carousel-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 0.2rem 0.8rem;
  border-bottom: 1px dashed var(--border);
}
.demo-carousel-header h2 {
  margin: 0.15rem 0 0;
  color: var(--text);
  font-size: 1.08rem;
  text-shadow: none;
}
.demo-carousel-header h2::before {
  content: "";
}
.demo-carousel-kicker,
.demo-carousel-count {
  margin: 0;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.demo-carousel-count {
  color: var(--muted);
  white-space: nowrap;
}
.demo-carousel-count [data-carousel-current] {
  color: var(--magenta);
  font-size: 1rem;
  text-shadow: var(--glow-magenta);
}
.demo-carousel-stage {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr) 3rem;
  gap: 0.75rem;
  align-items: center;
  padding-top: 1rem;
}
.demo-carousel-arrow {
  display: grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  padding: 0;
  border: 1px solid var(--border-2);
  border-radius: 50%;
  color: var(--cyan);
  background: var(--surface);
  font-family: var(--mono);
  font-size: 1.2rem;
  cursor: pointer;
  transition: color 120ms, border-color 120ms, background 120ms, box-shadow 120ms;
}
.demo-carousel-arrow:hover,
.demo-carousel-arrow:focus-visible {
  border-color: var(--magenta);
  outline: none;
  color: var(--magenta);
  background: rgba(255, 62, 224, 0.08);
  box-shadow: var(--glow-magenta);
}
.demo-carousel-figure {
  min-width: 0;
  margin: 0;
}
.demo-carousel-media {
  aspect-ratio: 48 / 31;
  overflow: hidden;
  border: 1px solid rgba(82, 240, 255, 0.25);
  border-radius: 4px;
  background: var(--bg-deep);
}
.demo-carousel-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 1;
  transition: opacity 100ms;
}
.demo-carousel-media img.is-changing {
  opacity: 0.35;
}
.demo-carousel-figure figcaption {
  display: flex;
  gap: 0.65rem;
  align-items: baseline;
  min-height: 2.35rem;
  padding: 0.65rem 0.15rem 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
}
.demo-carousel-figure figcaption strong {
  flex: none;
  color: var(--cyan);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.demo-carousel-rail {
  display: grid;
  grid-template-columns: repeat(7, minmax(2rem, 1fr));
  gap: 0.35rem;
  padding: 0.75rem 3.75rem 0;
}
.demo-carousel-dot {
  position: relative;
  min-width: 0;
  height: 1.5rem;
  padding: 0;
  border: 0;
  border-top: 2px solid var(--border);
  color: var(--dim);
  background: transparent;
  font-family: var(--mono);
  font-size: 0.6rem;
  cursor: pointer;
}
.demo-carousel-dot:hover,
.demo-carousel-dot:focus-visible {
  border-top-color: var(--cyan);
  outline: none;
  color: var(--cyan);
}
.demo-carousel-dot[aria-current="true"] {
  border-top-color: var(--magenta);
  color: var(--magenta);
  text-shadow: var(--glow-magenta);
}
.home-content {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.5rem 2.5rem 3rem;
}
.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;
}

/* ---------- code ---------- */

code, kbd, samp, pre {
  font-family: var(--mono);
  font-size: 0.88rem;
}
:not(pre) > code {
  background: rgba(82, 240, 255, 0.07);
  color: var(--cyan-2);
  border: 1px solid rgba(82, 240, 255, 0.2);
  padding: 0.05rem 0.35rem;
  border-radius: 3px;
  font-size: 0.85em;
}
pre {
  margin: 1rem 0;
  padding: 0.9rem 1rem;
  background: var(--code-bg);
  color: var(--code-fg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--magenta);
  border-radius: 5px;
  overflow-x: auto;
  line-height: 1.5;
  box-shadow: inset 0 0 30px rgba(155, 107, 255, 0.06), 0 0 0 1px rgba(255, 62, 224, 0.08);
}
pre code {
  background: transparent;
  border: 0;
  padding: 0;
  color: inherit;
  font-size: inherit;
}
pre[data-lang]::before {
  content: attr(data-lang);
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  opacity: 0.75;
  margin-bottom: 0.5rem;
  border-bottom: 1px dashed var(--border);
  padding-bottom: 0.35rem;
}

/* ---------- rich diagrams ---------- */

.diagram {
  margin: 1.2rem 0 1.4rem;
  padding: 1rem;
  background:
    linear-gradient(180deg, rgba(82, 240, 255, 0.055), rgba(255, 62, 224, 0.035)),
    var(--code-bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--cyan);
  border-radius: 6px;
  box-shadow: inset 0 0 34px rgba(155, 107, 255, 0.08), 0 0 0 1px rgba(82, 240, 255, 0.08);
  overflow-x: auto;
}
.diagram figcaption,
.diagram-title {
  display: block;
  margin: 0 0 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px dashed var(--border);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  line-height: 1.3;
  text-transform: uppercase;
}
.diagram-node,
.flow-step,
.state-pill,
.sequence-actor,
.sequence-event {
  background: linear-gradient(180deg, rgba(26, 19, 52, 0.94), rgba(18, 13, 36, 0.94));
  border: 1px solid rgba(82, 240, 255, 0.28);
  border-radius: 5px;
  box-shadow: inset 0 0 18px rgba(82, 240, 255, 0.04);
}
.diagram-node {
  display: flex;
  min-height: 4.4rem;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.16rem;
  padding: 0.7rem 0.8rem;
  color: var(--text);
  text-align: center;
}
.diagram-node strong {
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.25;
}
.diagram-node span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.35;
}
.diagram-node.primary {
  border-color: rgba(255, 62, 224, 0.5);
  box-shadow: inset 0 0 22px rgba(255, 62, 224, 0.08), 0 0 18px rgba(255, 62, 224, 0.12);
}
.diagram-node.core {
  border-color: rgba(255, 180, 84, 0.48);
}
.diagram-node.storage {
  border-color: rgba(80, 250, 155, 0.42);
}
.diagram-bus {
  margin: 0.6rem 0;
  padding: 0.35rem 0.55rem;
  border-top: 1px dashed rgba(82, 240, 255, 0.38);
  border-bottom: 1px dashed rgba(255, 62, 224, 0.28);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}
.diagram-arrow {
  color: var(--cyan);
  font-family: var(--mono);
  text-align: center;
  text-shadow: var(--glow-cyan);
}

.layer-diagram {
  display: grid;
  gap: 0.7rem;
}
.layer-path {
  display: grid;
  grid-template-columns: minmax(8rem, 1fr) 2rem minmax(8rem, 1fr) 2rem minmax(8rem, 1fr);
  align-items: center;
  min-width: 34rem;
}

.product-diagram {
  min-width: 42rem;
}
.product-tier {
  display: grid;
  gap: 0.7rem;
}
.product-frontends {
  grid-template-columns: repeat(5, minmax(7rem, 1fr));
}
.product-center {
  display: grid;
  grid-template-columns: minmax(14rem, 18rem);
  justify-content: center;
}
.product-platform,
.product-runtime {
  grid-template-columns: repeat(3, minmax(10rem, 1fr));
}

.topology-row {
  display: grid;
  grid-template-columns: minmax(10rem, 1fr) minmax(12rem, 1.2fr) minmax(14rem, 1.2fr);
  gap: 0.9rem;
  align-items: center;
  min-width: 40rem;
}
.topology-link {
  display: grid;
  gap: 0.55rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.75rem;
  text-align: center;
}
.topology-link span {
  display: block;
  padding: 0.35rem 0.5rem;
  border-top: 1px solid rgba(82, 240, 255, 0.35);
  border-bottom: 1px solid rgba(255, 62, 224, 0.25);
}

.flow-diagram {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.15rem;
  align-items: stretch;
  margin: 0;
  padding: 0;
  list-style: none;
}
.flow-step {
  position: relative;
  display: flex;
  min-height: 2.4rem;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.7rem;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.35;
  text-align: center;
}
.flow-step:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -0.86rem;
  color: var(--cyan);
  transform: translateY(-50%);
  text-shadow: var(--glow-cyan);
}
.flow-step.strong {
  border-color: rgba(255, 62, 224, 0.5);
}
.flow-step.ready {
  border-color: rgba(80, 250, 155, 0.48);
}
.flow-step.warn,
.flow-step.warning {
  border-color: rgba(255, 180, 84, 0.52);
}
.flow-step.stop {
  border-color: rgba(255, 85, 119, 0.5);
}
.flow-diagram.vertical {
  display: grid;
  max-width: 44rem;
  gap: 1rem;
}
.flow-diagram.vertical .flow-step {
  justify-content: flex-start;
  min-height: 0;
  text-align: left;
}
.flow-diagram.vertical .flow-step:not(:last-child)::after {
  top: auto;
  right: 50%;
  bottom: -0.86rem;
  transform: translate(50%, 0);
  content: "↓";
}

.state-set {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.state-pill {
  padding: 0.45rem 0.65rem;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.25;
  white-space: nowrap;
}
.state-pill.ready {
  border-color: rgba(80, 250, 155, 0.48);
}
.state-pill.strong {
  border-color: rgba(255, 62, 224, 0.5);
}
.state-pill.warn {
  border-color: rgba(255, 180, 84, 0.52);
}
.state-pill.stop {
  border-color: rgba(255, 85, 119, 0.5);
}

.sequence-diagram {
  min-width: 38rem;
}
.sequence-actors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 0.7rem;
}
.sequence-actor {
  padding: 0.45rem 0.7rem;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-align: center;
  text-transform: uppercase;
}
.sequence-events {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.sequence-event {
  display: grid;
  grid-template-columns: 1fr 3rem 1fr minmax(10rem, 1.35fr);
  gap: 0.55rem;
  align-items: center;
  padding: 0.45rem 0.55rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.76rem;
}
.sequence-event .from,
.sequence-event .to {
  color: var(--text);
}
.sequence-event .direction {
  color: var(--magenta);
  font-size: 1rem;
  text-align: center;
  text-shadow: var(--glow-magenta);
}
.sequence-event .message {
  color: var(--code-fg);
}
.sequence-event .note {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.78rem;
  margin-left: 0.45rem;
}

/* ---------- hero (landing page) ---------- */

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: center;
  padding: 3rem 2.5rem 2.5rem;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(900px 240px at 85% 0%, rgba(255, 62, 224, 0.18), transparent 65%),
    radial-gradient(700px 220px at 5% 100%, rgba(82, 240, 255, 0.16), transparent 65%),
    radial-gradient(500px 200px at 50% 110%, rgba(155, 107, 255, 0.18), transparent 65%),
    linear-gradient(180deg, rgba(18, 13, 36, 0.4), rgba(10, 8, 24, 0));
  overflow: hidden;
}
.hero::after {
  /* subtle horizon line */
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--magenta), var(--cyan), transparent);
  opacity: 0.5;
}
.hero-text h1 {
  margin: 0 0 0.5rem;
  font-size: 2.75rem;
  letter-spacing: -0.015em;
  border-bottom: none;
  padding-bottom: 0;
  background: linear-gradient(90deg, var(--magenta), var(--violet) 55%, var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-text h1::before { content: ""; }
.hero-tag {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
  margin: 0 0 1rem;
}
.hero-lede {
  font-size: 1.05rem;
  color: var(--text);
  max-width: 60ch;
  margin: 0 0 1.5rem;
}
.hero-img {
  width: 200px;
  height: 200px;
  border-radius: 12px;
  border: 1px solid var(--border-2);
  box-shadow:
    0 0 0 1px var(--bg),
    0 0 0 2px rgba(255, 62, 224, 0.3),
    0 0 50px rgba(255, 62, 224, 0.25),
    0 0 90px rgba(82, 240, 255, 0.15);
  image-rendering: auto;
}
.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.55rem 1rem;
  border: 1px solid var(--magenta);
  color: var(--magenta);
  border-bottom-width: 1px;
  border-radius: 4px;
  margin-right: 0.6rem;
  background: rgba(255, 62, 224, 0.06);
  box-shadow: 0 0 12px rgba(255, 62, 224, 0.2), inset 0 0 12px rgba(255, 62, 224, 0.05);
  text-shadow: var(--glow-magenta);
  transition: all 140ms;
}
.cta:hover {
  background: var(--magenta);
  color: var(--bg-deep);
  border-color: var(--magenta);
  text-shadow: none;
  box-shadow: 0 0 24px rgba(255, 62, 224, 0.55);
}
.cta.ghost {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(82, 240, 255, 0.05);
  box-shadow: 0 0 12px rgba(82, 240, 255, 0.18), inset 0 0 12px rgba(82, 240, 255, 0.04);
  text-shadow: var(--glow-cyan);
}
.cta.ghost:hover {
  background: var(--cyan);
  color: var(--bg-deep);
  text-shadow: none;
  box-shadow: 0 0 24px rgba(82, 240, 255, 0.5);
}

.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.tile {
  display: block;
  padding: 1rem 1.1rem;
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: all 160ms;
  position: relative;
}
.tile::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 6px;
  padding: 1px;
  background: linear-gradient(135deg, transparent 45%, rgba(255, 62, 224, 0.4), rgba(82, 240, 255, 0.4) 75%, transparent);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity 160ms;
  pointer-events: none;
}
.tile:hover {
  border-color: var(--border-2);
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(155, 107, 255, 0.18), 0 0 0 1px rgba(82, 240, 255, 0.1);
}
.tile:hover::before { opacity: 1; }
.tile-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.3rem;
  text-shadow: 0 0 8px rgba(82, 240, 255, 0.4);
}
.tile-title {
  display: block;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 0.2rem;
}
.tile:hover .tile-title { color: var(--magenta); }
.tile-desc {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
}
.api-item,
.api-member {
  margin: 1.2rem 0;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid rgba(74, 47, 143, 0.45);
}
.api-member {
  margin-left: 1rem;
  padding-left: 1rem;
  border-left: 2px solid rgba(82, 240, 255, 0.25);
}
.api-source {
  color: var(--muted);
  font-size: 0.82rem;
}
.api-landing {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
}
.api-reference-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.api-reference-name {
  display: block;
  margin: 0.1rem 0 0.45rem;
  padding: 0;
  border: 0;
  color: var(--cyan-2);
  background: transparent;
  font-size: 0.72rem;
  overflow-wrap: anywhere;
}
.api-native-note {
  color: var(--muted);
  font-size: 0.82rem;
}

/* ---------- bottom page nav ---------- */

.page-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.85rem;
}
.page-nav a {
  display: grid;
  width: min(22rem, 46%);
  gap: 0.25rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--muted);
  background: var(--surface);
}
.page-nav a.next {
  text-align: right;
}
.page-nav-direction {
  color: var(--dim);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.page-nav strong {
  display: flex;
  gap: 0.55rem;
  align-items: baseline;
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 500;
}
.page-nav .next strong {
  justify-content: flex-end;
}
.page-nav strong > span {
  color: var(--magenta);
  font-size: 0.68rem;
}
.page-nav strong > span:empty {
  display: none;
}
.page-nav a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(82, 240, 255, 0.06);
  text-shadow: var(--glow-cyan);
  box-shadow: 0 0 14px rgba(82, 240, 255, 0.18);
}
.page-nav .spacer { flex: 1; }

/* ---------- footer ---------- */

.sitefoot {
  margin-top: auto;
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--dim);
  letter-spacing: 0.08em;
  text-align: center;
  background: linear-gradient(0deg, rgba(10, 8, 24, 0.6), transparent);
}
.sitefoot a {
  color: var(--muted);
  border-bottom: none;
}
.sitefoot a:hover { color: var(--magenta); text-shadow: var(--glow-magenta); }

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  .topbar-inner {
    flex-wrap: wrap;
    gap: 0.6rem;
    padding: 0.65rem 1rem;
  }
  .brand-tag {
    display: none;
  }
  .nav-toggle {
    display: grid;
    width: 2.25rem;
    height: 2.25rem;
    place-items: center;
    margin-left: auto;
    color: var(--cyan);
    font-size: 1.2rem;
  }
  .top-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    margin: 0;
    padding: 0.4rem 0 0.2rem;
    border-top: 1px solid var(--border);
  }
  .nav-is-open .top-nav {
    display: flex;
  }
  .top-nav > a,
  .top-nav docs-search {
    width: 100%;
  }
  .top-nav > a,
  .docs-search-trigger {
    display: flex;
    min-height: 2.5rem;
    align-items: center;
    justify-content: space-between;
    padding: 0.45rem 0.6rem;
    margin-left: 0;
  }
  .layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
    max-height: none;
    overflow: visible;
    border-right: 0;
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.25rem;
  }
  .sidebar-toggle {
    display: flex;
    width: 100%;
    min-height: 2.6rem;
    align-items: center;
    justify-content: space-between;
    padding: 0.45rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--cyan);
    background: var(--surface);
    font-family: var(--mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
  }
  .sidebar-toggle:hover,
  .sidebar-toggle:focus-visible {
    border-color: var(--cyan);
    outline: none;
    box-shadow: 0 0 14px rgba(82, 240, 255, 0.14);
  }
  .sidebar > nav {
    display: none;
    padding-top: 0.5rem;
  }
  .sidebar.sidebar-is-open > nav {
    display: block;
  }
  .content {
    padding: 1.5rem 1.25rem 3rem;
  }
  .structured-content {
    max-width: none;
  }
  .book-toc-header {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.6rem;
  }
  .hero {
    grid-template-columns: 1fr;
    padding: 2rem 1.25rem;
  }
  .hero-img { width: 140px; height: 140px; justify-self: start; }
  .hero-text h1 { font-size: 2rem; }
  .demo-carousel {
    padding: 1.25rem 1.25rem 0.25rem;
  }
  .demo-carousel-stage {
    grid-template-columns: 2.4rem minmax(0, 1fr) 2.4rem;
    gap: 0.4rem;
  }
  .demo-carousel-arrow {
    width: 2.4rem;
    height: 2.4rem;
  }
  .demo-carousel-rail {
    padding-right: 2.8rem;
    padding-left: 2.8rem;
  }
  .home-content {
    padding: 1.25rem 1.25rem 3rem;
  }
  .diagram {
    padding: 0.8rem;
  }
  .flow-step,
  .state-pill {
    white-space: normal;
  }
  .api-reference-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .sequence-event {
    grid-template-columns: 5rem 2rem 5rem minmax(12rem, 1fr);
  }
}

@media (max-width: 560px) {
  .search-result {
    grid-template-areas:
      "meta"
      "title"
      "excerpt";
    grid-template-columns: minmax(0, 1fr);
    gap: 0.2rem;
    min-height: 0;
    padding: 0.8rem;
  }
  .search-result-meta {
    padding-top: 0;
  }
  .document-header {
    display: grid;
    gap: 0.2rem;
  }
  .numbered-document h1,
  .book-contents-page h1,
  .module-directory-page h1 {
    font-size: 2rem;
  }
  .book-part-header {
    grid-template-columns: 4.25rem minmax(0, 1fr);
    gap: 0.5rem;
  }
  .book-part-count {
    grid-column: 2;
  }
  .module-directory-meta {
    flex-wrap: wrap;
    margin-left: 4.75rem;
  }
  .module-directory-open {
    grid-template-columns: minmax(0, 1fr) auto;
    padding-left: 4.75rem;
  }
  .module-directory-open > span:last-child {
    display: none;
  }
  .book-chapter-list a {
    grid-template-columns: 2.5rem minmax(0, 1fr);
    gap: 0.55rem;
    min-height: 4.5rem;
    padding-right: 0;
    padding-left: 0;
  }
  .book-chapter-arrow {
    display: none;
  }
  .book-resources {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-nav {
    display: grid;
  }
  .page-nav a {
    width: 100%;
  }
  .page-nav .spacer {
    display: none;
  }
  .demo-carousel-panel {
    padding: 0.75rem;
  }
  .demo-carousel-header {
    align-items: start;
  }
  .demo-carousel-header h2 {
    font-size: 0.95rem;
  }
  .demo-carousel-stage {
    grid-template-columns: 1fr 1fr;
  }
  .demo-carousel-figure {
    grid-column: 1 / -1;
    grid-row: 1;
  }
  .demo-carousel-arrow {
    grid-row: 2;
    justify-self: start;
  }
  .demo-carousel-arrow.next {
    justify-self: end;
  }
  .demo-carousel-rail {
    padding: 0.75rem 0 0;
  }
  .demo-carousel-dot span {
    display: none;
  }
  .demo-carousel-figure figcaption {
    display: grid;
    gap: 0.15rem;
  }
  .search-dialog {
    width: calc(100vw - 1rem);
    max-height: calc(100vh - 1rem);
    margin-top: 0.5rem;
  }
  .search-dialog-frame {
    max-height: calc(100vh - 1rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .demo-carousel-media img {
    transition: none;
  }
}