/* ==========================================================================
   fleetmux.dev — components
   Nav, footer, buttons, glass cards, terminal-style code blocks, numbered
   steps, matrix table, SVG flow diagram, docs layout, small bits.
   Loaded after base.css.
   ========================================================================== */

/* ==========================================================================
   1. Top navigation
   ========================================================================== */

.site-nav {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: var(--z-nav);
  height: var(--nav-h);
  border-bottom: 1px solid transparent;
  background: rgba(5, 7, 13, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  transition: border-color var(--dur-3) var(--ease-out), background var(--dur-3) var(--ease-out);
}

.site-nav.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(5, 7, 13, 0.9);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  flex: 0 0 auto;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: var(--fs-lg);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.01em;
}

.brand:hover {
  color: var(--text);
  text-decoration: none;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line-glow);
  border-radius: var(--r-sm);
  background:
    radial-gradient(circle at 30% 20%, rgba(61, 245, 200, 0.22), transparent 60%),
    var(--panel);
  box-shadow: inset 0 0 12px rgba(61, 245, 200, 0.14);
  color: var(--accent);
}

.brand__mark svg {
  width: 16px;
  height: 16px;
}

.brand__name {
  text-shadow: 0 0 18px rgba(61, 245, 200, 0.22);
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  margin-left: auto;
}

.site-nav__link {
  position: relative;
  padding-block: var(--sp-2);
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: -2px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--dur-3) var(--ease-out);
}

.site-nav__link:hover {
  color: var(--text);
  text-decoration: none;
}

.site-nav__link:hover::after,
.site-nav__link.is-active::after,
.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-nav__link.is-active,
.site-nav__link[aria-current="page"] {
  color: var(--accent);
}

.site-nav__link--ext::before {
  content: "↗";
  margin-right: 0.35em;
  color: var(--dim);
  font-size: 0.85em;
}

/* language switch: EN · FR · ES · 中文 (four items, fixed order, never wraps) */
.lang-switch {
  display: inline-flex;
  flex: 0 0 auto;
  flex-wrap: nowrap;
  align-items: center;
  gap: 1px;
  max-width: 100%;
  padding: 2px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--surface-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wide);
  white-space: nowrap;
}

.lang-switch__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5em;
  padding: 0.25rem 0.5rem;
  border-radius: var(--r-pill);
  color: var(--muted);
  line-height: 1.5;
  white-space: nowrap;
  transition: color var(--dur-2) var(--ease-out), background var(--dur-2) var(--ease-out);
}

.lang-switch__item:hover {
  color: var(--text);
  background: var(--panel-hover);
  text-decoration: none;
}

/* the CJK label is two wide glyphs: drop the mono tracking so it lines up */
.lang-switch__item[lang^="zh"] {
  letter-spacing: 0;
  padding-inline: 0.55rem;
}

/* current language: still a real link to itself, just highlighted */
.lang-switch__item[aria-current="true"],
.lang-switch__item[aria-current="page"],
.lang-switch__item.is-active {
  background: var(--accent-soft);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--line-glow);
}

.lang-switch__item:focus-visible {
  outline-offset: 1px;
}

/* 360px phones: keep all four on one line inside the menu */
@media (max-width: 420px) {
  .lang-switch {
    font-size: var(--fs-2xs);
    letter-spacing: 0.02em;
  }

  .lang-switch__item {
    min-width: 2.2em;
    padding-inline: 0.4rem;
  }
}

/* mobile toggle */
.nav-toggle {
  display: none;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface-2);
  color: var(--text-soft);
}

.nav-toggle:hover {
  border-color: var(--line-strong);
  color: var(--text);
}

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 10px;
}

.nav-toggle__bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--dur-2) var(--ease-out), opacity var(--dur-1) var(--ease-out);
}

.nav-toggle__bars span:nth-child(1) { top: 0; }
.nav-toggle__bars span:nth-child(2) { top: 4px; }
.nav-toggle__bars span:nth-child(3) { top: 8px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

@media (max-width: 860px) {
  .nav-toggle {
    display: grid;
  }

  .site-nav__links {
    position: fixed;
    inset: var(--nav-h) 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: var(--sp-1);
    margin: 0;
    padding: var(--sp-4) var(--gutter) var(--sp-6);
    border-bottom: 1px solid var(--line);
    background: rgba(5, 7, 13, 0.98);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: var(--shadow-lg);
    max-height: calc(100dvh - var(--nav-h));
    overflow-y: auto;
  }

  .site-nav__links.is-open {
    display: flex;
  }

  .site-nav__link {
    padding-block: var(--sp-3);
    border-bottom: 1px solid var(--line);
    font-size: var(--fs-base);
  }

  .site-nav__link::after {
    display: none;
  }

  .site-nav__links .lang-switch {
    align-self: flex-start;
    max-width: 100%;
    flex-wrap: nowrap;
    margin-top: var(--sp-4);
  }
}

/* ==========================================================================
   2. Buttons
   ========================================================================== */

.btn {
  --btn-bg: var(--panel-2);
  --btn-fg: var(--text);
  --btn-border: var(--line-strong);
  position: relative;
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  min-height: 44px;
  padding: 0 var(--sp-5);
  border: 1px solid var(--btn-border);
  border-radius: var(--r-md);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: var(--weight-medium);
  letter-spacing: 0.01em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition:
    background var(--dur-2) var(--ease-out),
    border-color var(--dur-2) var(--ease-out),
    color var(--dur-2) var(--ease-out),
    box-shadow var(--dur-3) var(--ease-out),
    transform var(--dur-2) var(--ease-out);
}

.btn:hover {
  color: var(--btn-fg);
  text-decoration: none;
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  --btn-bg: linear-gradient(180deg, #5cffd8, var(--accent));
  --btn-fg: #04231c;
  --btn-border: rgba(61, 245, 200, 0.6);
  box-shadow: 0 8px 30px -12px rgba(61, 245, 200, 0.65), var(--shadow-inset);
  font-weight: var(--weight-semibold);
}

.btn--primary:hover {
  box-shadow: 0 12px 40px -12px rgba(61, 245, 200, 0.85), var(--shadow-inset);
}

.btn--ghost {
  --btn-bg: rgba(11, 16, 32, 0.7);
  --btn-fg: var(--text);
  --btn-border: var(--line-strong);
}

.btn--ghost:hover {
  --btn-border: var(--line-glow);
  --btn-fg: var(--accent);
  box-shadow: 0 0 0 1px var(--line-glow), 0 0 28px -14px rgba(61, 245, 200, 0.6);
}

.btn--quiet {
  --btn-bg: transparent;
  --btn-fg: var(--text-soft);
  --btn-border: transparent;
  min-height: 40px;
  padding-inline: var(--sp-3);
}

.btn--quiet:hover {
  --btn-fg: var(--accent);
  background: var(--accent-softer);
}

.btn--sm {
  min-height: 34px;
  padding-inline: var(--sp-3);
  font-size: var(--fs-xs);
  border-radius: var(--r-sm);
}

.btn--block {
  width: 100%;
}

.btn__icon {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
}

.btn__icon--arrow {
  transition: transform var(--dur-2) var(--ease-out);
}

.btn:hover .btn__icon--arrow {
  transform: translateX(3px);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

/* ==========================================================================
   3. Glass cards
   ========================================================================== */

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-6);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(160deg, rgba(20, 30, 50, 0.55), rgba(8, 12, 21, 0.72) 62%);
  box-shadow: var(--shadow-md), var(--shadow-inset);
  backdrop-filter: blur(10px) saturate(120%);
  -webkit-backdrop-filter: blur(10px) saturate(120%);
  transition:
    border-color var(--dur-3) var(--ease-out),
    box-shadow var(--dur-3) var(--ease-out),
    transform var(--dur-3) var(--ease-out),
    background var(--dur-3) var(--ease-out);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(120% 90% at 15% 0%, rgba(61, 245, 200, 0.09), transparent 55%);
  opacity: 0;
  transition: opacity var(--dur-3) var(--ease-out);
  pointer-events: none;
}

.card:hover {
  border-color: var(--line-glow);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--line-glow), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

.card:hover::before {
  opacity: 1;
}

.card:focus-within {
  border-color: var(--line-glow);
}

.card--flat {
  background: var(--surface-2);
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.card--violet::before {
  background: radial-gradient(120% 90% at 15% 0%, rgba(139, 92, 246, 0.12), transparent 55%);
}

.card--link {
  color: inherit;
}

.card--link:hover {
  text-decoration: none;
  color: inherit;
}

.card__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 1.5rem;
  padding-inline: var(--sp-2);
  border: 1px solid var(--line-glow);
  border-radius: var(--r-sm);
  background: var(--accent-softer);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
}

.card__icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--panel-2);
  color: var(--accent);
}

.card__icon svg {
  width: 18px;
  height: 18px;
}

.card__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  font-weight: var(--weight-semibold);
  line-height: var(--lh-snug);
  color: var(--text);
  overflow-wrap: break-word;
}

.card__text {
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  overflow-wrap: break-word;
}

.card__meta {
  margin-top: auto;
  padding-top: var(--sp-3);
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
}

.card__more {
  margin-top: auto;
  padding-top: var(--sp-2);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
}

/* ==========================================================================
   4. Terminal-style code block
   ========================================================================== */

.code {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--term-bg);
  box-shadow: var(--shadow-md), var(--shadow-inset);
  overflow: hidden;
}

.code__bar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  border-bottom: 1px solid var(--term-line);
  background: linear-gradient(180deg, #0d1524, var(--term-bar));
}

.code__dots {
  display: inline-flex;
  gap: 5px;
  flex: 0 0 auto;
}

.code__dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2a3a52;
}

.code__dots i:nth-child(1) { background: #ff5f57; }
.code__dots i:nth-child(2) { background: #febc2e; }
.code__dots i:nth-child(3) { background: #28c840; }

.code__title {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  color: var(--term-dim);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.02em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.code__copy {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: var(--r-xs);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  transition: color var(--dur-2) var(--ease-out), border-color var(--dur-2) var(--ease-out), background var(--dur-2) var(--ease-out);
}

.code__copy:hover {
  border-color: var(--line-glow);
  background: var(--accent-softer);
  color: var(--accent);
}

.code__copy.is-copied {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.code__copy.is-fallback {
  border-color: rgba(245, 184, 61, 0.45);
  background: var(--amber-soft);
  color: var(--amber);
}

.code__copy svg {
  width: 12px;
  height: 12px;
}

.code__copy svg[hidden] {
  display: none;
}

.code__pre {
  margin: 0;
  padding: var(--sp-4) var(--sp-5);
  overflow-x: auto;
  color: var(--term-text);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  line-height: 1.7;
  tab-size: 2;
  scrollbar-width: thin;
}

.code__pre code {
  font-size: inherit;
  white-space: pre;
}

.code__pre .c-comment { color: var(--term-dim); }
.code__pre .c-prompt { color: var(--accent); user-select: none; }
.code__pre .c-cmd { color: var(--text); }
.code__pre .c-flag { color: var(--term-cyan); }
.code__pre .c-str { color: var(--term-violet); }

.code--plain .code__pre {
  border-top: 0;
}

.code--wrap .code__pre code {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.code__pre::-webkit-scrollbar {
  height: 8px;
}

.code__pre::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: var(--r-pill);
}

/* inline code inside prose */
/* Safety net: a bare <pre> in prose scrolls instead of widening the page. */
.prose pre {
  max-width: 100%;
  overflow-x: auto;
}

.prose code {
  padding: 0.12em 0.36em;
  border: 1px solid var(--line);
  border-radius: var(--r-xs);
  background: var(--panel-2);
  color: var(--accent-2);
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

/* ==========================================================================
   5. Numbered steps
   ========================================================================== */

.steps {
  display: grid;
  gap: var(--sp-6);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps--inline {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
}

.step {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--sp-4);
  padding-left: 0;
  counter-increment: step;
}

.step__num {
  position: relative;
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--line-glow);
  border-radius: var(--r-md);
  background: radial-gradient(circle at 30% 20%, rgba(61, 245, 200, 0.18), transparent 70%), var(--panel);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: var(--weight-semibold);
  box-shadow: 0 0 22px -10px rgba(61, 245, 200, 0.6);
}

.step__num::after {
  content: counter(step, decimal-leading-zero);
}

/* vertical connector between steps */
.step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: calc(1.125rem - 0.5px);
  top: 2.6rem;
  bottom: calc(-1 * var(--sp-6));
  width: 1px;
  background: linear-gradient(180deg, var(--line-glow), rgba(61, 245, 200, 0.06));
}

.steps--inline .step:not(:last-child)::after {
  display: none;
}

.step__body {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  padding-bottom: var(--sp-2);
  min-width: 0;
}

.step__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-base);
  font-weight: var(--weight-semibold);
  color: var(--text);
  overflow-wrap: break-word;
}

.step__text {
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-base);
}

.step__text code {
  color: var(--accent-2);
}

/* ==========================================================================
   6. Matrix table
   ========================================================================== */

.matrix-wrap {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(14, 21, 38, 0.7), rgba(8, 12, 21, 0.8));
  box-shadow: var(--shadow-md);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.matrix-wrap::-webkit-scrollbar {
  height: 8px;
}

.matrix-wrap::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: var(--r-pill);
}

.matrix {
  width: 100%;
  min-width: 34rem;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
}

.matrix caption {
  padding: var(--sp-4) var(--sp-5) var(--sp-2);
  color: var(--dim);
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  text-align: left;
}

.matrix th,
.matrix td {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--line);
  text-align: center;
  vertical-align: top;
  white-space: normal;
  overflow-wrap: break-word;
}

.matrix thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--panel-2);
  color: var(--text-soft);
  font-size: var(--fs-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border-bottom-color: var(--line-strong);
}

.matrix thead th:first-child,
.matrix tbody th {
  text-align: left;
}

.matrix tbody th {
  color: var(--text);
  font-weight: var(--weight-medium);
}

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

.matrix tbody tr:hover td,
.matrix tbody tr:hover th {
  background: rgba(61, 245, 200, 0.035);
}

.matrix__ok,
.matrix__no,
.matrix__part {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: var(--r-pill);
  font-size: var(--fs-xs);
  line-height: 1;
}

.matrix__ok {
  border: 1px solid var(--line-glow);
  background: var(--accent-soft);
  color: var(--accent);
}

.matrix__no {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--dim);
}

.matrix__part {
  border: 1px solid rgba(245, 184, 61, 0.4);
  background: var(--amber-soft);
  color: var(--amber);
}

.matrix__legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin-top: var(--sp-4);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
}

.matrix__legend span {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}

/* ==========================================================================
   7. SVG flow diagram
   ========================================================================== */

.flow {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.flow__node {
  fill: rgba(11, 16, 32, 0.92);
  stroke: var(--line-strong);
  stroke-width: 1;
  transition: stroke var(--dur-3) var(--ease-out);
}

.flow__node--accent {
  stroke: var(--line-glow);
}

.flow__node--violet {
  stroke: var(--line-violet);
}

.flow__node--daemon {
  fill: rgba(61, 245, 200, 0.06);
  stroke: var(--line-glow);
}

.flow__label {
  fill: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.flow__sub {
  fill: var(--dim);
  font-family: var(--font-sans);
  font-size: 11px;
}

.flow__edge {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1.25;
}

.flow__edge--flow {
  stroke: var(--accent-2);
  stroke-dasharray: 6 10;
  opacity: 0.85;
  animation: flow-dash 2.4s linear infinite;
}

.flow__edge--violet {
  stroke: var(--violet);
  opacity: 0.8;
}

.flow__edge--reject {
  stroke: var(--amber);
  stroke-dasharray: 4 8;
  opacity: 0.9;
  animation: flow-dash 3s linear infinite reverse;
}

.flow__marker {
  fill: var(--accent-2);
}

@keyframes flow-dash {
  to {
    stroke-dashoffset: -32;
  }
}

.flow__caption {
  margin-top: var(--sp-3);
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
}

/* ==========================================================================
   8. Docs layout (sidebar table of contents)
   ========================================================================== */

.docs {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-8);
  padding-block: var(--sp-8) var(--sp-12);
}

@media (min-width: 960px) {
  .docs {
    grid-template-columns: 15rem minmax(0, 1fr);
    gap: var(--sp-10);
    align-items: start;
  }
}

.docs__toc {
  position: relative;
  min-width: 0;
}

@media (min-width: 960px) {
  .docs__toc {
    position: sticky;
    top: calc(var(--nav-h) + var(--sp-6));
    max-height: calc(100dvh - var(--nav-h) - var(--sp-9));
    overflow-y: auto;
    padding-right: var(--sp-2);
  }
}

.toc {
  padding: var(--sp-4);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(11, 16, 32, 0.6);
}

.toc__title {
  margin: 0 0 var(--sp-3);
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.toc__list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc__list li + li {
  margin-top: 0;
}

.toc__link {
  display: block;
  padding: 0.4rem var(--sp-3);
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: var(--fs-sm);
  line-height: 1.45;
  transition: color var(--dur-2) var(--ease-out), border-color var(--dur-2) var(--ease-out), background var(--dur-2) var(--ease-out);
}

.toc__link:hover {
  border-left-color: var(--line-glow);
  background: var(--accent-softer);
  color: var(--text);
  text-decoration: none;
}

.toc__link.is-active,
.toc__link[aria-current="true"] {
  border-left-color: var(--accent);
  color: var(--accent);
}

.toc__link--sub {
  padding-left: var(--sp-5);
  font-size: var(--fs-xs);
}

.docs__content {
  min-width: 0;
}

.docs__content > .h1 {
  margin-bottom: var(--sp-4);
}

.docs__content section + section {
  margin-top: var(--sp-10);
  padding-top: var(--sp-8);
  border-top: 1px solid var(--line);
}

.prose {
  max-width: 72ch;
  color: var(--text-soft);
  overflow-wrap: break-word;
}

.prose h2 {
  margin-top: var(--sp-9);
  margin-bottom: var(--sp-3);
  font-size: var(--fs-xl);
}

.prose h3 {
  margin-top: var(--sp-6);
  margin-bottom: var(--sp-2);
  font-size: var(--fs-md);
  color: var(--text);
}

.prose p {
  margin-block: var(--sp-3);
}

.prose ul,
.prose ol {
  margin-block: var(--sp-3);
  color: var(--text-soft);
}

.prose > :first-child {
  margin-top: 0;
}

.prose .code,
.prose .matrix-wrap,
.prose .callout {
  margin-block: var(--sp-4);
}

/* docs page header strip */
.page-head {
  padding-block: var(--sp-9) var(--sp-6);
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--sp-8);
}

.page-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
}

/* ==========================================================================
   9. Small pieces: pill, tag, callout, figure, divider
   ========================================================================== */

.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: rgba(11, 16, 32, 0.7);
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  line-height: 1.4;
  white-space: nowrap;
}

.pill--accent {
  border-color: var(--line-glow);
  background: var(--accent-soft);
  color: var(--accent);
}

.pill--violet {
  border-color: var(--line-violet);
  background: var(--violet-soft);
  color: #c4b5fd;
}

.pill--amber {
  border-color: rgba(245, 184, 61, 0.38);
  background: var(--amber-soft);
  color: var(--amber);
}

.pill__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag-list li + li {
  margin-top: 0;
}

.callout {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  border-radius: var(--r-md);
  background: rgba(61, 245, 200, 0.045);
  color: var(--text-soft);
  font-size: var(--fs-base);
}

.callout--amber {
  border-left-color: var(--amber);
  background: var(--amber-soft);
}

.callout--violet {
  border-left-color: var(--violet);
  background: var(--violet-soft);
}

.callout__icon {
  color: var(--accent);
  font-family: var(--font-mono);
  line-height: 1.6;
}

.callout--amber .callout__icon { color: var(--amber); }
.callout--violet .callout__icon { color: #c4b5fd; }

.callout p {
  margin: 0;
}

.callout p + p {
  margin-top: var(--sp-2);
}

.figure {
  margin: 0;
  padding: var(--sp-4);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(8, 12, 21, 0.6);
}

.figure__caption {
  margin-top: var(--sp-3);
  color: var(--dim);
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
}

.divider {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.kv {
  display: grid;
  grid-template-columns: minmax(0, 9rem) minmax(0, 1fr);
  gap: var(--sp-2) var(--sp-4);
  margin: 0;
  font-size: var(--fs-sm);
}

.kv dt {
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.kv dd {
  margin: 0;
  color: var(--text-soft);
}

/* ==========================================================================
   10. Footer
   ========================================================================== */

.site-footer {
  position: relative;
  z-index: var(--z-content);
  margin-top: var(--sp-10);
  padding-top: var(--sp-10);
  border-top: 1px solid var(--line);
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(61, 245, 200, 0.05), transparent 60%),
    var(--bg-deep);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr));
  gap: var(--sp-8) var(--sp-6);
}

.site-footer__brand {
  grid-column: 1 / -1;
  max-width: 30ch;
}

@media (min-width: 760px) {
  .site-footer__brand {
    grid-column: span 2;
  }
}

.site-footer__tagline {
  margin-top: var(--sp-3);
  color: var(--muted);
  font-size: var(--fs-sm);
  line-height: var(--lh-normal);
}

.site-footer__title {
  margin: 0 0 var(--sp-3);
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.site-footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__list li + li {
  margin-top: 0;
}

.site-footer__link {
  color: var(--text-soft);
  font-size: var(--fs-sm);
}

.site-footer__link:hover {
  color: var(--accent);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-top: var(--sp-9);
  padding-block: var(--sp-5) var(--sp-7);
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
}

.site-footer__bottom p {
  margin: 0;
}

.site-footer__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

/* ==========================================================================
   11. Responsive guards
   ========================================================================== */

@media (max-width: 520px) {
  .card {
    padding: var(--sp-5);
  }

  /* Long button labels wrap instead of pushing the page wider than 360px. */
  .btn {
    padding-block: 0.6rem;
    line-height: 1.25;
    white-space: normal;
    text-align: center;
  }

  .code__pre {
    padding: var(--sp-4);
    font-size: var(--fs-xs);
  }

  .btn {
    padding-inline: var(--sp-4);
  }

  .btn-group .btn {
    flex: 1 1 auto;
  }

  .kv {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .kv dd {
    margin-bottom: var(--sp-2);
  }
}

/* ==========================================================================
   9. Round-3 effects (brief-r3 §5)
   Every layer below is decorative: absolutely positioned, pointer-events
   none, aria-hidden by construction, and it never changes the layout box of
   real content. Behaviour lives in assets/js/main.js and background.js.
   ========================================================================== */

@property --fx-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}

/* ---- 1. hero depth: perspective floor, horizon glow, aurora ------------- */

.fx-hero {
  isolation: isolate;
  overflow-x: clip;
}

.fx-hero > .container {
  position: relative;
  z-index: 1;
}

.fx-floor {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.fx-floor__canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  /* Quiet backdrop: faint, and only towards the bottom edge, clear of the copy. */
  opacity: 0.3;
  -webkit-mask-image: linear-gradient(to bottom, transparent 58%, #000 100%);
  mask-image: linear-gradient(to bottom, transparent 58%, #000 100%);
}

.fx-floor__horizon {
  position: absolute;
  inset-inline: 0;
  top: 41%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(61, 245, 200, 0.55) 26%,
    rgba(34, 211, 238, 0.8) 46%,
    rgba(139, 92, 246, 0.75) 62%,
    transparent
  );
  box-shadow:
    0 0 22px 4px rgba(61, 245, 200, 0.18),
    0 0 70px 22px rgba(139, 92, 246, 0.16);
  opacity: 0.9;
}

.fx-aurora {
  position: absolute;
  inset-inline: -10%;
  top: -12%;
  height: 72%;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  filter: blur(58px);
  opacity: 0.6;
  contain: paint;
}

.fx-aurora i {
  position: absolute;
  display: block;
  width: 52vmax;
  height: 34vmax;
  border-radius: 50%;
  mix-blend-mode: screen;
  will-change: transform;
  animation: fx-aurora-drift 26s var(--ease-in-out) infinite alternate;
}

.fx-aurora i:nth-child(1) {
  left: -12%;
  top: 2%;
  background: radial-gradient(closest-side, rgba(61, 245, 200, 0.34), transparent 72%);
}

.fx-aurora i:nth-child(2) {
  left: 32%;
  top: -14%;
  background: radial-gradient(closest-side, rgba(139, 92, 246, 0.36), transparent 72%);
  animation-duration: 34s;
  animation-delay: -9s;
}

.fx-aurora i:nth-child(3) {
  left: 62%;
  top: 8%;
  background: radial-gradient(closest-side, rgba(34, 211, 238, 0.3), transparent 72%);
  animation-duration: 30s;
  animation-delay: -17s;
}

@keyframes fx-aurora-drift {
  from {
    transform: translate3d(-4%, 0, 0) scale(1);
  }
  to {
    transform: translate3d(7%, 5%, 0) scale(1.16);
  }
}

/* ---- 8. reading progress + nav glass + section scan --------------------- */

.fx-progress {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: calc(var(--z-nav) + 1);
  height: 3px;
  background: rgba(5, 7, 13, 0.45);
  pointer-events: none;
}

.fx-progress i {
  display: block;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2) 52%, var(--violet));
  box-shadow: 0 0 14px rgba(61, 245, 200, 0.55);
}

.site-nav::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--accent) 18%,
    var(--accent-2) 48%,
    var(--violet) 78%,
    transparent
  );
  transform: scaleX(0);
  opacity: 0;
  transition: transform var(--dur-4) var(--ease-out), opacity var(--dur-4) var(--ease-out);
  pointer-events: none;
}

.site-nav.is-scrolled {
  background: rgba(5, 7, 13, 0.82);
  backdrop-filter: blur(22px) saturate(165%);
  -webkit-backdrop-filter: blur(22px) saturate(165%);
}

.site-nav.is-scrolled::after {
  transform: scaleX(1);
  opacity: 0.8;
}

.section.fx-has-scan {
  overflow-x: clip;
}

.section.fx-has-scan::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 24%, var(--line-strong) 76%, transparent);
  pointer-events: none;
}

.section.fx-has-scan::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 30%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(61, 245, 200, 0.9), rgba(139, 92, 246, 0.7), transparent);
  transform: translateX(-110%);
  opacity: 0;
  pointer-events: none;
}

.section.fx-has-scan.is-scan-lit::after {
  animation: fx-scan-sweep 1.9s var(--ease-in-out) 1 forwards;
}

@keyframes fx-scan-sweep {
  0% {
    transform: translateX(-110%);
    opacity: 0;
  }
  12% {
    opacity: 1;
  }
  100% {
    transform: translateX(370%);
    opacity: 0;
  }
}

/* ---- 8. buttons: light sweep on hover ---------------------------------- */

.btn {
  overflow: hidden;
}

.btn::after {
  content: "";
  position: absolute;
  inset: -60% -40%;
  background: linear-gradient(105deg, transparent 38%, rgba(255, 255, 255, 0.22) 50%, transparent 62%);
  transform: translateX(-130%) skewX(-14deg);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.75s var(--ease-out), opacity 0.25s var(--ease-out);
}

.btn:hover::after,
.btn:focus-visible::after {
  transform: translateX(130%) skewX(-14deg);
  opacity: 1;
}

/* ---- 8. logo glitch ---------------------------------------------------- */

.brand__name {
  position: relative;
  display: inline-block;
}

.brand__name::before,
.brand__name::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  clip-path: inset(0 0 0 0);
}

.brand__name::before {
  color: var(--accent);
}

.brand__name::after {
  color: var(--violet);
}

.brand:hover .brand__name::before {
  animation: fx-glitch-a 0.44s steps(2, end) 1;
}

.brand:hover .brand__name::after {
  animation: fx-glitch-b 0.44s steps(2, end) 1;
}

@keyframes fx-glitch-a {
  0%,
  100% {
    opacity: 0;
    transform: none;
  }
  18% {
    opacity: 0.85;
    transform: translate(-2px, -1px);
    clip-path: inset(12% 0 58% 0);
  }
  46% {
    opacity: 0.7;
    transform: translate(2px, 1px);
    clip-path: inset(56% 0 16% 0);
  }
  72% {
    opacity: 0.8;
    transform: translate(-1px, 0);
    clip-path: inset(34% 0 40% 0);
  }
}

@keyframes fx-glitch-b {
  0%,
  100% {
    opacity: 0;
    transform: none;
  }
  22% {
    opacity: 0.7;
    transform: translate(2px, 1px);
    clip-path: inset(48% 0 26% 0);
  }
  54% {
    opacity: 0.6;
    transform: translate(-2px, -1px);
    clip-path: inset(8% 0 66% 0);
  }
  78% {
    opacity: 0.75;
    transform: translate(1px, 0);
    clip-path: inset(62% 0 12% 0);
  }
}

/* ---- 4. headline decode + one-shot sheen -------------------------------- */

.display {
  position: relative;
}

.display::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.18) 50%, transparent 60%);
  transform: translateX(-120%);
  opacity: 0;
  pointer-events: none;
}

.display.is-sweep::after {
  animation: fx-title-sweep 1.15s var(--ease-out) 1 forwards;
}

@keyframes fx-title-sweep {
  0% {
    transform: translateX(-120%);
    opacity: 0;
  }
  20% {
    opacity: 1;
  }
  100% {
    transform: translateX(120%);
    opacity: 0;
  }
}

.fx-decode {
  color: var(--text);
}

.fx-decode .fx-glyph {
  color: var(--accent);
  opacity: 0.85;
}

/* ---- 5. cards: spotlight + flowing ring -------------------------------- */

.card.is-fx-spot {
  overflow: hidden;
}

.card.is-fx-spot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    240px circle at var(--fx-mx, 50%) var(--fx-my, 0%),
    rgba(61, 245, 200, 0.16),
    rgba(139, 92, 246, 0.1) 42%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity var(--dur-3) var(--ease-out);
  pointer-events: none;
}

.card.is-fx-spot:hover::after,
.card.is-fx-spot:focus-within::after {
  opacity: 1;
}

.card.is-fx-spot:hover::before {
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: conic-gradient(
    from var(--fx-angle),
    transparent 0 42%,
    rgba(61, 245, 200, 0.9) 56%,
    rgba(139, 92, 246, 0.85) 72%,
    transparent 86%
  );
  -webkit-mask:
    linear-gradient(#000, #000) content-box,
    linear-gradient(#000, #000);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#000, #000) content-box,
    linear-gradient(#000, #000);
  mask-composite: exclude;
  opacity: 1;
  animation: fx-card-ring 4s linear infinite;
}

.card.is-fx-spot:hover {
  transform: translateY(-3px);
}

@keyframes fx-card-ring {
  to {
    --fx-angle: 360deg;
  }
}

/* ---- 6. flow diagram: packets + pulsing nodes -------------------------- */

.flow__packet {
  fill: var(--accent-2);
  filter: drop-shadow(0 0 4px rgba(34, 211, 238, 0.9));
}

.flow__packet--reject {
  fill: var(--amber);
  filter: drop-shadow(0 0 4px rgba(245, 184, 61, 0.9));
}

.flow__node {
  transition: stroke var(--dur-3) var(--ease-out), stroke-width var(--dur-3) var(--ease-out);
}

.flow__node.is-current {
  stroke: var(--accent);
  stroke-width: 1.8;
  filter: drop-shadow(0 0 10px rgba(61, 245, 200, 0.4));
}

/* ---- 7. HUD ticker (demo fleet event stream) --------------------------- */

.fx-ticker {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
  padding: 0.45rem 0.75rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(5, 9, 17, 0.74);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  line-height: 1.6;
}

.fx-ticker__badge {
  flex: 0 0 auto;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.fx-ticker__demo {
  flex: 0 0 auto;
  padding: 0 0.35rem;
  border: 1px solid rgba(245, 184, 61, 0.45);
  border-radius: 3px;
  background: var(--amber-soft);
  color: var(--amber);
  letter-spacing: 0.06em;
}

.fx-ticker__viewport {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
}

.fx-ticker__track {
  display: flex;
  width: max-content;
  gap: 2.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  animation: fx-ticker-scroll 42s linear infinite;
  will-change: transform;
}

.fx-ticker:hover .fx-ticker__track,
.fx-ticker:focus-within .fx-ticker__track {
  animation-play-state: paused;
}

.fx-ticker__item {
  white-space: nowrap;
  color: var(--text-soft);
}

.fx-ticker__item[data-kind="dispatch"] {
  color: var(--accent-2);
}

.fx-ticker__item[data-kind="deliver"] {
  color: var(--text-soft);
}

.fx-ticker__item[data-kind="accept"] {
  color: var(--accent);
}

.fx-ticker__item[data-kind="rotate"] {
  color: #b9a4ff;
}

.fx-ticker__item[data-kind="block"] {
  color: var(--amber);
}

.fx-ticker__time {
  margin-right: 0.4rem;
  color: var(--dim);
}

@keyframes fx-ticker-scroll {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-50%, 0, 0);
  }
}

@media (max-width: 640px) {
  .fx-ticker {
    gap: var(--sp-2);
    font-size: 0.6875rem;
  }

  .fx-ticker__badge {
    display: none;
  }
}

/* ---- reduced motion / mobile guards ------------------------------------ */

@media (prefers-reduced-motion: reduce) {
  .fx-aurora i,
  .section.fx-has-scan.is-scan-lit::after,
  .card.is-fx-spot:hover::before,
  .display.is-sweep::after,
  .brand:hover .brand__name::before,
  .brand:hover .brand__name::after {
    animation: none !important;
  }

  .section.fx-has-scan.is-scan-lit::after {
    opacity: 0;
  }

  .fx-ticker__track {
    width: auto;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    animation: none;
    transform: none;
  }

  .fx-ticker__viewport {
    overflow: visible;
    -webkit-mask-image: none;
    mask-image: none;
  }

  .fx-ticker__item.is-clone {
    display: none;
  }

  .card.is-fx-spot::after {
    display: none;
  }
}

:root.no-motion .fx-aurora i,
:root.no-motion .section.fx-has-scan.is-scan-lit::after,
:root.no-motion .card.is-fx-spot:hover::before,
:root.no-motion .display.is-sweep::after {
  animation: none !important;
}

:root.no-motion .fx-ticker__track {
  width: auto;
  flex-wrap: wrap;
  animation: none;
  transform: none;
}

:root.no-motion .fx-ticker__viewport {
  overflow: visible;
  -webkit-mask-image: none;
  mask-image: none;
}

:root.no-motion .fx-ticker__item.is-clone {
  display: none;
}

.is-page-hidden .fx-aurora i,
.is-page-hidden .fx-ticker__track,
.is-page-hidden .section.fx-has-scan.is-scan-lit::after {
  animation-play-state: paused !important;
}

@media (max-width: 768px) {
  .card.is-fx-spot::after {
    display: none;
  }

  .fx-aurora {
    opacity: 0.42;
  }
}

/* ---- 7. ticker kinds added for the lid-close demo (brief-r3 §6.3) ------- */

.fx-ticker__item[data-kind="sleep"],
.fx-ticker__item[data-kind="offline"] {
  color: var(--amber);
}

.fx-ticker__item[data-kind="grace"],
.fx-ticker__item[data-kind="retry"] {
  color: #b9a4ff;
}

.fx-ticker__item[data-kind="wake"],
.fx-ticker__item[data-kind="probe"] {
  color: var(--accent-2);
}

.fx-ticker__item[data-kind="online"] {
  color: var(--accent);
}

/* Demo label must stay readable even when it is the only thing left on a
   narrow phone, where the LIVE badge is hidden. */
.fx-ticker__demo {
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
}

/* ---- 6. highlight card: one card louder than the rest (brief-r3 §6.2) -- */

.card.card--feature {
  overflow: hidden;
  border-color: rgba(61, 245, 200, 0.42);
  background:
    radial-gradient(120% 90% at 0% 0%, rgba(139, 92, 246, 0.24), transparent 62%),
    radial-gradient(90% 80% at 100% 0%, rgba(61, 245, 200, 0.16), transparent 58%),
    linear-gradient(160deg, rgba(18, 40, 44, 0.78), rgba(8, 12, 21, 0.88) 64%);
  box-shadow:
    var(--shadow-lg),
    0 0 0 1px rgba(61, 245, 200, 0.16),
    0 0 70px -26px rgba(61, 245, 200, 0.6),
    0 0 120px -50px rgba(139, 92, 246, 0.6);
}

.card.card--feature::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, rgba(61, 245, 200, 0.75), transparent 38%, transparent 62%, rgba(139, 92, 246, 0.7));
  -webkit-mask:
    linear-gradient(#000, #000) content-box,
    linear-gradient(#000, #000);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#000, #000) content-box,
    linear-gradient(#000, #000);
  mask-composite: exclude;
  opacity: 0.9;
  pointer-events: none;
}

.card.card--feature:hover {
  border-color: rgba(61, 245, 200, 0.7);
}

.card--feature .card__title {
  padding-right: 7rem;
}

/* corner badge: <span class="card__badge">Lid closed, keeps running</span> */
.card__badge {
  position: absolute;
  top: var(--sp-3);
  right: var(--sp-3);
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  padding: 0.15rem 0.55rem;
  border: 1px solid rgba(61, 245, 200, 0.5);
  border-radius: var(--r-pill);
  background: var(--accent-softer);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

@media (max-width: 560px) {
  .card--feature .card__title {
    padding-right: 0;
  }

  .card__badge {
    position: static;
    align-self: flex-start;
    margin-bottom: var(--sp-1);
  }
}