/* Xvision docs — editorial monochrome + motion (respects prefers-reduced-motion) */

:root {
  --trap-radius: 0.75rem;
  --trap-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --trap-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --trap-ease-bounce: cubic-bezier(0.68, -0.15, 0.32, 1.25);
  --trap-shadow-elevated: 0 32px 80px rgba(0, 0, 0, 0.35);
  --trap-parallax-x: 0px;
  --trap-parallax-y: 0px;
}

[data-md-color-scheme="slate"] {
  --trap-body-a: #09090b;
  --trap-body-b: #0c0e12;
  --trap-body-c: #08080a;
  --trap-glass-main: rgba(12, 12, 14, 0.78);
  --trap-glass-side: rgba(10, 10, 12, 0.76);
  --trap-glass-head: rgba(9, 9, 11, 0.9);
  --trap-edge: rgba(255, 255, 255, 0.07);
  --trap-edge-strong: rgba(255, 255, 255, 0.12);
  --trap-fill-veil: rgba(255, 255, 255, 0.035);
  --trap-mesh-1: rgba(255, 255, 255, 0.045);
  --trap-mesh-2: rgba(255, 255, 255, 0.025);
  --trap-aurora-1: rgba(255, 255, 255, 0.035);
  --trap-aurora-2: rgba(255, 255, 255, 0.02);
  --trap-title-from: #fafafa;
  --trap-title-to: #a1a1aa;
}

[data-md-color-scheme="default"] {
  --trap-body-a: #fafafa;
  --trap-body-b: #f4f4f5;
  --trap-body-c: #e4e4e7;
  --trap-glass-main: rgba(255, 255, 255, 0.82);
  --trap-glass-side: rgba(252, 252, 253, 0.86);
  --trap-glass-head: rgba(255, 255, 255, 0.92);
  --trap-edge: rgba(24, 24, 27, 0.09);
  --trap-edge-strong: rgba(24, 24, 27, 0.14);
  --trap-fill-veil: rgba(24, 24, 27, 0.04);
  --trap-mesh-1: rgba(24, 24, 27, 0.04);
  --trap-mesh-2: rgba(24, 24, 27, 0.022);
  --trap-aurora-1: rgba(24, 24, 27, 0.03);
  --trap-aurora-2: rgba(24, 24, 27, 0.018);
  --trap-title-from: #18181b;
  --trap-title-to: #71717a;
}

/* Page backdrop — neutral only; particles add texture */
[data-md-color-scheme="default"] body {
  background: linear-gradient(165deg, var(--trap-body-a) 0%, var(--trap-body-b) 50%, var(--trap-body-c) 100%);
}

[data-md-color-scheme="slate"] body {
  background: linear-gradient(165deg, var(--trap-body-a) 0%, var(--trap-body-b) 52%, var(--trap-body-c) 100%);
}

/* Soft light drift — no hue tricks */
@media (prefers-reduced-motion: no-preference) {
  body::before {
    content: "";
    position: fixed;
    inset: -20%;
    z-index: 0;
    pointer-events: none;
    background:
      radial-gradient(ellipse 90% 70% at calc(18% + var(--trap-parallax-x)) calc(14% + var(--trap-parallax-y)), var(--trap-aurora-1), transparent 52%),
      radial-gradient(ellipse 72% 56% at calc(88% + var(--trap-parallax-x)) calc(22% - var(--trap-parallax-y)), var(--trap-aurora-2), transparent 50%),
      radial-gradient(ellipse 58% 48% at 50% calc(102% + var(--trap-parallax-y)), var(--trap-aurora-1), transparent 56%);
    animation: trap-aurora-shift 32s ease-in-out infinite alternate;
    opacity: 1;
  }
}

@keyframes trap-aurora-shift {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 0.92;
  }
  100% {
    transform: translate(1.2%, 0.9%) scale(1.03);
    opacity: 1;
  }
}

/* ---- Main column: transparent shell so particles are visible behind glass ---- */
[data-md-color-scheme="default"] .md-main {
  position: relative;
  background: transparent !important;
  isolation: isolate;
}

[data-md-color-scheme="slate"] .md-main {
  position: relative;
  background: transparent !important;
  isolation: isolate;
}

[data-md-color-scheme="default"] .md-main__inner {
  background: var(--trap-glass-main);
  backdrop-filter: blur(20px) saturate(1.1);
  -webkit-backdrop-filter: blur(20px) saturate(1.1);
  border-radius: 0 var(--trap-radius) 0 0;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 1px 0 var(--trap-edge);
}

[data-md-color-scheme="slate"] .md-main__inner {
  background: var(--trap-glass-main);
  backdrop-filter: blur(22px) saturate(1.05);
  -webkit-backdrop-filter: blur(22px) saturate(1.05);
  border-radius: 0 var(--trap-radius) 0 0;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 1px 0 var(--trap-edge);
}

/* Glass sidebar — same family as main */
[data-md-color-scheme="default"] .md-sidebar--primary {
  background: var(--trap-glass-side) !important;
  backdrop-filter: blur(16px) saturate(1.1);
  -webkit-backdrop-filter: blur(16px) saturate(1.1);
}

[data-md-color-scheme="slate"] .md-sidebar--primary {
  background: var(--trap-glass-side) !important;
  backdrop-filter: blur(18px) saturate(1.05);
  -webkit-backdrop-filter: blur(18px) saturate(1.05);
}

[data-md-color-scheme="default"] .md-header {
  background: var(--trap-glass-head) !important;
  backdrop-filter: blur(14px) saturate(1.1);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
}

[data-md-color-scheme="slate"] .md-header {
  background: var(--trap-glass-head) !important;
  backdrop-filter: blur(16px) saturate(1.05);
  -webkit-backdrop-filter: blur(16px) saturate(1.05);
}

.md-main::before,
.md-main::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
}

@media (prefers-reduced-motion: no-preference) {
  .md-main::before {
    background:
      radial-gradient(ellipse 80% 50% at 10% -10%, var(--trap-mesh-1), transparent 55%),
      radial-gradient(ellipse 60% 40% at 90% 10%, var(--trap-mesh-2), transparent 50%);
    animation: trap-mesh-drift 20s ease-in-out infinite alternate;
  }

  .md-main::after {
    background: radial-gradient(circle at 50% 100%, var(--trap-mesh-2), transparent 55%);
    animation: trap-mesh-drift2 24s ease-in-out infinite alternate;
  }
}

@keyframes trap-mesh-drift {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 0.5;
  }
  100% {
    transform: translate(2%, 1%) scale(1.03);
    opacity: 0.65;
  }
}

@keyframes trap-mesh-drift2 {
  0% {
    transform: translate(0, 0);
    opacity: 0.35;
  }
  100% {
    transform: translate(-1.5%, -0.5%);
    opacity: 0.5;
  }
}

.md-main__inner {
  position: relative;
  z-index: 1;
}

.md-content {
  max-width: 52rem;
}

/* ---- Page / heading enter ---- */
@media (prefers-reduced-motion: no-preference) {
  .md-main__inner {
    animation: trap-page-in 0.85s var(--trap-ease-out) both;
  }

  .md-typeset > h1 {
    animation: trap-heading-in 0.72s var(--trap-ease-bounce) both;
  }
}

@keyframes trap-page-in {
  from {
    opacity: 0;
    transform: translateY(22px) scale(0.992);
    filter: blur(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes trap-heading-in {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.94);
    filter: blur(8px);
  }
  72% {
    opacity: 1;
    transform: translateY(-3px) scale(1.02);
    filter: blur(0);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes trap-fade-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---- Typography ---- */
.md-typeset h1 {
  font-weight: 800;
  letter-spacing: -0.035em;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
}

.md-typeset h1 strong {
  font-weight: 800;
  background: linear-gradient(105deg, var(--trap-title-from) 0%, var(--trap-title-to) 55%, var(--trap-title-from) 100%);
  background-size: 180% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@media (prefers-reduced-motion: no-preference) {
  .md-typeset h1 strong {
    animation: trap-gradient-shift 14s ease infinite;
  }
}

@keyframes trap-gradient-shift {
  0%,
  100% {
    background-position: 0% center;
  }
  50% {
    background-position: 100% center;
  }
}

.md-typeset h2 {
  position: relative;
  border-bottom: 1px solid var(--trap-edge);
  padding-bottom: 0.4rem;
  transition:
    border-color 0.35s var(--trap-ease-out),
    transform 0.35s var(--trap-ease-spring);
}

.md-typeset h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 0;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--trap-title-to), var(--trap-title-from));
  opacity: 0.85;
  transition: width 0.45s var(--trap-ease-out);
}

@media (prefers-reduced-motion: no-preference) {
  .md-typeset h2:hover {
    border-bottom-color: var(--trap-edge-strong);
    transform: translateX(3px);
  }

  .md-typeset h2:hover::after {
    width: min(100%, 12rem);
  }
}

/* ---- Welcome card (index) ---- */
.md-typeset .trap-welcome {
  position: relative;
  padding: 1.25rem 1.35rem;
  margin: 1rem 0 1.5rem;
  border-radius: var(--trap-radius);
  border: 1px solid var(--trap-edge);
  background: linear-gradient(145deg, var(--trap-fill-veil) 0%, transparent 100%);
  box-shadow: 0 4px 40px rgba(0, 0, 0, 0.12);
  overflow: hidden;
  transition: transform 0.4s var(--trap-ease-spring), box-shadow 0.4s ease;
}

[data-md-color-scheme="slate"] .md-typeset .trap-welcome {
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

@media (prefers-reduced-motion: no-preference) {
  .md-typeset .trap-welcome {
    animation: trap-welcome-breathe 7s ease-in-out infinite;
  }

  .md-typeset .trap-welcome:hover {
    transform: translateY(-2px);
    box-shadow: var(--trap-shadow-elevated);
    border-color: var(--trap-edge-strong);
  }
}

@keyframes trap-welcome-breathe {
  0%,
  100% {
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.08);
  }
  50% {
    box-shadow: 0 10px 44px rgba(0, 0, 0, 0.12);
    border-color: var(--trap-edge-strong);
  }
}

.md-typeset .trap-welcome::before {
  content: "";
  position: absolute;
  inset: -1px;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.12) 50%, transparent 70%);
  opacity: 0;
  pointer-events: none;
}

@media (prefers-reduced-motion: no-preference) {
  .md-typeset .trap-welcome::before {
    animation: trap-shimmer 6s ease-in-out infinite;
  }
}

@keyframes trap-shimmer {
  0%,
  100% {
    opacity: 0;
    transform: translateX(-30%);
  }
  50% {
    opacity: 0.45;
    transform: translateX(30%);
  }
}

.md-typeset .trap-welcome p {
  margin-bottom: 0.65rem;
}

.md-typeset .trap-welcome p:last-child {
  margin-bottom: 0;
}

.md-typeset .trap-welcome a {
  font-weight: 600;
}

/* ---- Scroll reveals ---- */
@media (prefers-reduced-motion: no-preference) {
  .trap-reveal {
    opacity: 0;
    transform: translateY(28px) scale(0.98);
    transform-origin: 50% 0%;
    filter: blur(5px);
    transition:
      opacity 0.75s var(--trap-ease-out),
      transform 0.78s var(--trap-ease-spring),
      filter 0.65s ease;
    transition-delay: var(--trap-reveal-delay, 0s);
  }

  .trap-reveal.trap-reveal--shown {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

/* ---- Header ---- */
.md-header {
  border-bottom: 1px solid var(--trap-edge);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.2);
  backdrop-filter: saturate(1.1) blur(10px);
  transition: box-shadow 0.35s var(--trap-ease-out);
}

[data-md-color-scheme="default"] .md-header {
  box-shadow: 0 8px 32px rgba(15, 23, 42, 0.06);
}

@media (prefers-reduced-motion: no-preference) {
  .md-header {
    animation: trap-header-in 0.55s var(--trap-ease-out) both;
  }
}

@keyframes trap-header-in {
  from {
    opacity: 0;
    transform: translateY(-16px);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .md-header__button.md-logo img,
  .md-header__button.md-logo svg {
    transition: transform 0.45s var(--trap-ease-spring);
  }

  .md-header__button.md-logo:hover img,
  .md-header__button.md-logo:hover svg {
    transform: rotate(-4deg) scale(1.04);
    filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.35));
  }

  .md-sidebar {
    animation: trap-sidebar-in 0.7s var(--trap-ease-out) both;
  }

  .md-nav--secondary {
    animation: trap-toc-in 0.65s var(--trap-ease-out) 0.12s both;
  }
}

@keyframes trap-sidebar-in {
  from {
    opacity: 0;
    transform: translateX(-18px);
    filter: blur(3px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
    filter: blur(0);
  }
}

@keyframes trap-toc-in {
  from {
    opacity: 0;
    transform: translateX(14px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Header social icons */
.md-social__link {
  transition:
    transform 0.25s var(--trap-ease-spring),
    color 0.2s ease,
    filter 0.25s ease !important;
}

@media (prefers-reduced-motion: no-preference) {
  .md-social__link:hover {
    transform: translateY(-2px) scale(1.06);
    filter: drop-shadow(0 4px 14px rgba(0, 0, 0, 0.25));
    opacity: 0.95;
  }
}

/* ---- Sidebar ---- */
.md-sidebar--primary {
  border-right: 1px solid var(--trap-edge);
  backdrop-filter: blur(8px);
}

.md-nav--primary > .md-nav__list > .md-nav__item > .md-nav__link {
  font-weight: 700;
  letter-spacing: 0.01em;
  border-radius: var(--trap-radius);
  transition:
    background 0.28s var(--trap-ease-out),
    color 0.28s ease,
    transform 0.32s var(--trap-ease-spring),
    box-shadow 0.28s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .md-nav--primary > .md-nav__list > .md-nav__item {
    animation: trap-nav-row-in 0.55s var(--trap-ease-out) both;
  }

  .md-nav--primary > .md-nav__list > .md-nav__item:nth-child(1) {
    animation-delay: 0.04s;
  }
  .md-nav--primary > .md-nav__list > .md-nav__item:nth-child(2) {
    animation-delay: 0.08s;
  }
  .md-nav--primary > .md-nav__list > .md-nav__item:nth-child(3) {
    animation-delay: 0.12s;
  }
  .md-nav--primary > .md-nav__list > .md-nav__item:nth-child(4) {
    animation-delay: 0.16s;
  }
  .md-nav--primary > .md-nav__list > .md-nav__item:nth-child(5) {
    animation-delay: 0.2s;
  }
  .md-nav--primary > .md-nav__list > .md-nav__item:nth-child(6) {
    animation-delay: 0.24s;
  }
  .md-nav--primary > .md-nav__list > .md-nav__item:nth-child(7) {
    animation-delay: 0.28s;
  }
  .md-nav--primary > .md-nav__list > .md-nav__item:nth-child(8) {
    animation-delay: 0.32s;
  }
  .md-nav--primary > .md-nav__list > .md-nav__item:nth-child(9) {
    animation-delay: 0.36s;
  }
  .md-nav--primary > .md-nav__list > .md-nav__item:nth-child(10) {
    animation-delay: 0.4s;
  }
  .md-nav--primary > .md-nav__list > .md-nav__item:nth-child(11) {
    animation-delay: 0.44s;
  }
  .md-nav--primary > .md-nav__list > .md-nav__item:nth-child(12) {
    animation-delay: 0.48s;
  }

  .md-nav--primary > .md-nav__list > .md-nav__item > .md-nav__link:hover {
    transform: translateX(6px) scale(1.01);
    box-shadow: -4px 0 0 0 var(--trap-edge-strong), 0 6px 20px rgba(0, 0, 0, 0.12);
  }
}

@keyframes trap-nav-row-in {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.md-nav__link--active {
  font-weight: 800 !important;
  box-shadow: inset 3px 0 0 0 var(--trap-edge-strong);
  background: linear-gradient(90deg, var(--trap-fill-veil), transparent);
}

@media (prefers-reduced-motion: no-preference) {
  .md-nav__link--active {
    animation: trap-active-pulse 4s ease-in-out infinite;
  }
}

@keyframes trap-active-pulse {
  0%,
  100% {
    box-shadow: inset 3px 0 0 0 var(--trap-edge-strong);
  }
  50% {
    box-shadow: inset 3px 0 0 0 rgba(255, 255, 255, 0.35);
  }
}

/* ---- Admonitions ---- */
@media (prefers-reduced-motion: no-preference) {
  .md-typeset .admonition {
    transition:
      transform 0.3s var(--trap-ease-spring),
      box-shadow 0.3s var(--trap-ease-out);
  }

  .md-typeset .admonition:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
  }
}

[data-md-color-scheme="slate"] .md-typeset .admonition:hover {
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.35);
}

/* ---- Links ---- */
.md-typeset a {
  transition: color 0.2s ease, text-decoration-color 0.2s ease, text-underline-offset 0.2s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .md-typeset a:hover {
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
  }
}

/* ---- Code ---- */
.md-typeset pre {
  border-radius: var(--trap-radius);
  transition: box-shadow 0.3s var(--trap-ease-out), transform 0.25s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .md-typeset pre:hover {
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.14);
    transform: translateY(-1px);
  }
}

.md-search__input {
  transition:
    box-shadow 0.35s var(--trap-ease-out),
    border-color 0.25s ease,
    transform 0.3s var(--trap-ease-spring);
}

@media (prefers-reduced-motion: no-preference) {
  .md-search__form:focus-within .md-search__input {
    transform: translateY(-1px);
    box-shadow: 0 10px 32px rgba(0, 0, 0, 0.18);
  }
}

/* ---- Tabs (pymdownx alternate: labels live in .tabbed-labels) ---- */
@media (prefers-reduced-motion: no-preference) {
  .tabbed-set .tabbed-content {
    animation: trap-fade-up 0.55s var(--trap-ease-out) both;
  }

  .tabbed-set .tabbed-labels label {
    transition:
      transform 0.28s var(--trap-ease-spring),
      color 0.2s ease,
      border-color 0.25s ease;
  }

  .tabbed-set .tabbed-labels label:hover {
    transform: translateY(-2px);
  }

  .tabbed-set:has(> input:nth-of-type(1):checked) > .tabbed-labels > label:nth-child(1),
  .tabbed-set:has(> input:nth-of-type(2):checked) > .tabbed-labels > label:nth-child(2),
  .tabbed-set:has(> input:nth-of-type(3):checked) > .tabbed-labels > label:nth-child(3),
  .tabbed-set:has(> input:nth-of-type(4):checked) > .tabbed-labels > label:nth-child(4),
  .tabbed-set:has(> input:nth-of-type(5):checked) > .tabbed-labels > label:nth-child(5),
  .tabbed-set:has(> input:nth-of-type(6):checked) > .tabbed-labels > label:nth-child(6) {
    animation: trap-tab-pop 0.45s var(--trap-ease-bounce);
  }
}

@keyframes trap-tab-pop {
  0% {
    transform: scale(1);
  }
  45% {
    transform: scale(1.04);
  }
  100% {
    transform: scale(1);
  }
}

/* ---- Video embeds ---- */
.md-typeset .video-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  margin: 1rem 0 0.35rem;
  border-radius: var(--trap-radius);
  box-shadow: var(--md-shadow-z2);
  background: #09090b;
  transition: transform 0.35s var(--trap-ease-spring), box-shadow 0.35s var(--trap-ease-out);
}

@media (prefers-reduced-motion: no-preference) {
  .md-typeset .video-wrap:hover:not(.video-wrap--playing) {
    transform: scale(1.015) translateY(-2px);
    box-shadow: 0 20px 56px rgba(15, 23, 42, 0.18);
  }
}

.md-typeset .video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.md-typeset .video-wrap.video-facade .video-facade__btn {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
  border: 0;
  cursor: pointer;
  border-radius: inherit;
  background: #000;
  overflow: hidden;
}

.md-typeset .video-wrap.video-facade .video-facade__thumb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.md-typeset .video-wrap.video-facade .video-facade__play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 4.25rem;
  height: 3rem;
  background: rgba(23, 35, 34, 0.92);
  border-radius: 0.75rem;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
  transition: transform 0.25s var(--trap-ease-spring), background 0.25s ease;
  pointer-events: none;
}

.md-typeset .video-wrap.video-facade .video-facade__play::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-35%, -50%);
  border-style: solid;
  border-width: 0.55rem 0 0.55rem 0.95rem;
  border-color: transparent transparent transparent #fff;
}

@media (prefers-reduced-motion: no-preference) {
  .md-typeset .video-wrap.video-facade .video-facade__play {
    animation: trap-play-idle 2.8s ease-in-out infinite;
  }

  .md-typeset .video-wrap.video-facade .video-facade__btn:hover .video-facade__play {
    transform: translate(-50%, -50%) scale(1.14);
    background: #e53935;
    animation: none;
  }
}

@keyframes trap-play-idle {
  0%,
  100% {
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  }
  50% {
    box-shadow:
      0 6px 32px rgba(0, 0, 0, 0.45),
      0 0 0 6px rgba(255, 255, 255, 0.06);
  }
}

.md-typeset .video-caption {
  text-align: center;
  color: var(--md-default-fg-color--lighter);
  font-size: 0.85rem;
  margin: 0 0 1.25rem;
}

/* ---- Details / inventory dropdowns ---- */
.md-typeset details {
  border: 1px solid var(--trap-edge);
  border-radius: var(--trap-radius);
  margin: 0.75rem 0;
  padding: 0 0.75rem;
  background: var(--trap-fill-veil);
  transition: border-color 0.25s ease, box-shadow 0.3s ease, transform 0.25s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .md-typeset details[open] {
    box-shadow: 0 12px 36px rgba(15, 23, 42, 0.1);
    transform: translateY(-1px);
  }
}

.md-typeset details summary {
  cursor: pointer;
  font-weight: 700;
  padding: 0.65rem 0;
  list-style: none;
  transition: color 0.2s ease;
}

.md-typeset details summary::-webkit-details-marker {
  display: none;
}

.md-typeset details summary::after {
  content: "";
  float: right;
  width: 0.5rem;
  height: 0.5rem;
  margin-top: 0.35rem;
  border-right: 2px solid var(--md-default-fg-color--lighter);
  border-bottom: 2px solid var(--md-default-fg-color--lighter);
  transform: rotate(45deg);
  transition: transform 0.3s var(--trap-ease-out);
}

.md-typeset details[open] summary::after {
  transform: rotate(-135deg);
  margin-top: 0.5rem;
}

.md-typeset details .highlight,
.md-typeset details pre {
  margin-top: 0.5rem;
  margin-bottom: 0.75rem;
}

/* ---- Tables ---- */
@media (prefers-reduced-motion: no-preference) {
  .md-typeset table tbody tr {
    transition: background 0.2s ease, transform 0.2s ease;
  }

  .md-typeset table tbody tr:hover {
    background: var(--trap-fill-veil);
  }
}

/* ---- Full-viewport particle canvas (inserted by extra.js) ---- */
#trap-fx-layer {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

#trap-bg-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* App chrome above animated canvas */
.md-container {
  position: relative;
  z-index: 2;
}

/* Floating rain sound toggle (Web Audio — requires click) */
.trap-sound-btn {
  position: fixed;
  bottom: 1.35rem;
  right: 1.35rem;
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--trap-edge-strong);
  background: rgba(9, 9, 11, 0.88);
  color: #e4e4e7;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(14px) saturate(1.05);
  transition:
    transform 0.28s var(--trap-ease-spring),
    box-shadow 0.28s ease,
    border-color 0.28s ease,
    background 0.28s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .trap-sound-btn:not(:hover):not(.trap-sound-btn--on) {
    animation: trap-sound-float 4s ease-in-out infinite;
  }

  .trap-sound-btn--on {
    animation: trap-sound-glow 2.2s ease-in-out infinite;
  }
}

@keyframes trap-sound-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

@keyframes trap-sound-glow {
  0%,
  100% {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45), 0 0 0 0 rgba(255, 255, 255, 0);
  }
  50% {
    box-shadow: 0 16px 52px rgba(0, 0, 0, 0.5), 0 0 0 5px rgba(255, 255, 255, 0.06);
  }
}

.trap-sound-btn:hover {
  transform: translateY(-5px) scale(1.02);
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: 0 18px 56px rgba(0, 0, 0, 0.4);
  animation: none;
}

.trap-sound-btn:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.35);
  outline-offset: 3px;
}

.trap-sound-btn--on {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(24, 24, 27, 0.94);
}

[data-md-color-scheme="default"] .trap-sound-btn {
  background: rgba(255, 255, 255, 0.92);
  color: #3f3f46;
  border-color: var(--trap-edge-strong);
  box-shadow: 0 10px 36px rgba(15, 23, 42, 0.08);
}

[data-md-color-scheme="default"] .trap-sound-btn--on {
  background: rgba(244, 244, 245, 0.98);
  border-color: var(--trap-edge-strong);
}

[data-md-color-scheme="default"] .trap-sound-btn:hover {
  box-shadow: 0 14px 44px rgba(15, 23, 42, 0.12);
}

[data-md-color-scheme="default"] .trap-sound-btn:focus-visible {
  outline-color: rgba(63, 63, 70, 0.45);
}

.trap-sound-glyph {
  font-size: 1.15rem;
  line-height: 1;
}

.trap-sound-label {
  max-width: 8rem;
}

@media (max-width: 600px) {
  .trap-sound-label {
    display: none;
  }
  .trap-sound-btn {
    padding: 0.6rem 0.75rem;
  }
}

/* ---- Reduced motion: strip animations ---- */
@media (prefers-reduced-motion: reduce) {
  #trap-fx-layer {
    display: none !important;
  }

  body::before {
    display: none !important;
  }

  .md-main::before,
  .md-main::after,
  .md-typeset h1 strong,
  .md-nav__link--active {
    animation: none !important;
  }

  .md-typeset .trap-welcome::before,
  .md-typeset .trap-welcome {
    animation: none !important;
  }

  .md-typeset .trap-welcome:hover {
    transform: none !important;
  }

  .md-typeset .video-wrap.video-facade .video-facade__play {
    animation: none !important;
  }

  .trap-sound-btn,
  .trap-sound-btn--on {
    animation: none !important;
  }

  .md-main__inner,
  .md-typeset > h1,
  .md-header,
  .tabbed-set .tabbed-content,
  .md-sidebar,
  .md-nav--secondary {
    animation: none !important;
  }

  .md-nav--primary > .md-nav__list > .md-nav__item {
    animation: none !important;
  }

  .md-nav--primary > .md-nav__list > .md-nav__item > .md-nav__link:hover {
    transform: none;
  }

  .md-typeset .video-wrap:hover:not(.video-wrap--playing) {
    transform: none;
  }

  .md-header__button.md-logo:hover img,
  .md-header__button.md-logo:hover svg {
    transform: none !important;
  }

  .trap-reveal {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
}