:root {
  color-scheme: light;
  --wb-bg: #f6f2e8;
  --wb-panel: rgba(255, 253, 248, 0.96);
  --wb-plot-fill: rgba(255, 253, 248, 0.92);
  --wb-plot-grid-color: rgba(82, 102, 138, 0.12);
  --wb-plot-axis-color: rgb(82, 102, 138);
  --wb-ink: #2a241d;
  --wb-muted: #7a6d5e;
  --wb-border: rgba(70, 52, 35, 0.14);
  --wb-shadow: 0 10px 22px rgba(56, 36, 21, 0.08);
  --wb-accent: rgba(200, 154, 74, 0.65);
  --wb-transition-ms: 3400ms;
  --wb-fade-ms: 1300ms;
  --wb-exit-ms: 1200ms;
  --wb-media-max-height: 50dvh;
  --wb-page-block-padding: 30px;
  --wb-ants-orbit-gap: 6px;
  --wb-ants-orbit-width: 3px;
  --wb-ants-orbit-speed: 1500ms;
  --wb-ui-font: "Coming Soon", Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@property --wb-ants-orbit-angle {
  syntax: '<angle>';
  inherits: false;
  initial-value: 0deg;
}

@property --wb-attention-opacity {
  syntax: '<number>';
  inherits: true;
  initial-value: 0;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: var(--wb-ui-font);
  color: var(--wb-ink);
  background: radial-gradient(circle at top, #fffefb 0%, var(--wb-bg) 72%);
}

body {
  min-height: 100dvh;
  padding:
    max(20px, env(safe-area-inset-top))
    max(24px, env(safe-area-inset-right))
    max(10px, env(safe-area-inset-bottom))
    max(24px, env(safe-area-inset-left));
}

html,
body {
  height: 100%;
  overflow-x: hidden;
}

button,
input,
output {
  font: inherit;
}

[hidden] {
  display: none !important;
}

.wb-page {
  max-width: 1240px;
  height: calc(100dvh - var(--wb-page-block-padding));
  min-height: 0;
  margin: 0 auto;
  padding-inline: clamp(16px, 4vw, 80px);
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto auto;
  gap: 14px;
}

@supports not (height: 100dvh) {
  .wb-page {
    height: calc(100vh - var(--wb-page-block-padding));
  }
}

#wb-root {
  position: relative;
  min-height: 0;
  height: 100%;
  overflow: visible;
}

#wb-live,
#wb-ghost-layer,
#wb-arrow-overlay {
  position: absolute;
  inset: 0;
}

#wb-live {
  z-index: 2;
  padding: 4px 2px 8px;
}

#wb-ghost-layer {
  z-index: 3;
  pointer-events: none;
}

#wb-arrow-overlay {
  z-index: 4;
  pointer-events: none;
  overflow: visible;
}

.wb-board {
  width: 100%;
  height: 100%;
  display: grid;
  gap: 16px;
  align-content: start;
  min-height: 0;
}

.wb-row {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
  justify-content: center;
}

.wb-column {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  min-width: 0;
}

.wb-anim-child {
  transform-origin: top left;
  will-change: transform, opacity;
}

.wb-item {
  transition:
    box-shadow var(--wb-fade-ms) ease,
    border-color var(--wb-fade-ms) ease;
}

.wb-card {
  background: var(--wb-panel);
  border: 0;
  border-radius: 18px;
  padding: 14px 16px 16px;
  box-shadow: var(--wb-shadow);
  min-width: 0;
  overflow: clip;
  position: relative;
  transition:
    height var(--wb-transition-ms) cubic-bezier(0.18, 0.82, 0.22, 1),
    box-shadow var(--wb-fade-ms) ease,
    border-color var(--wb-fade-ms) ease;
}

.wb-card[data-has-color="true"] {
  border-style: solid;
  border-width: 2px;
  border-color: var(--wb-card-accent, var(--wb-accent));
}

.lp-card-preview-clone {
  position: fixed !important;
  z-index: 1000;
  margin: 0 !important;
  overflow: auto;
  pointer-events: none;
  transform-origin: center center;
  transition:
    left 220ms cubic-bezier(0.18, 0.82, 0.22, 1),
    top 220ms cubic-bezier(0.18, 0.82, 0.22, 1),
    width 220ms cubic-bezier(0.18, 0.82, 0.22, 1),
    height 220ms cubic-bezier(0.18, 0.82, 0.22, 1),
    box-shadow 220ms ease;
  will-change: left, top, width, height;
}

.lp-card-preview-clone.is-expanded {
  box-shadow: 0 22px 70px rgba(56, 36, 21, 0.24);
}

.lp-card-preview-measure {
  left: -10000px !important;
  top: 0 !important;
  height: auto !important;
  visibility: hidden;
  transition: none !important;
}

.wb-language-switcher {
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  justify-self: center;
  align-self: end;
  max-width: 100%;
  gap: 8px;
}

.wb-language-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 7px 12px;
  border: 1px solid rgba(70, 52, 35, 0.16);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.76);
  box-shadow: 0 8px 22px rgba(56, 36, 21, 0.08);
  color: var(--wb-muted);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.01em;
  backdrop-filter: blur(10px);
  outline: 2px solid transparent;
  outline-offset: 3px;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease,
    color 160ms ease,
    transform 160ms ease,
    outline-color 160ms ease;
}

.wb-language-switch:visited {
  color: var(--wb-muted);
}

.wb-language-switch:hover {
  border-color: rgba(42, 36, 29, 0.34);
  background: rgba(255, 253, 248, 0.94);
  box-shadow: 0 12px 26px rgba(56, 36, 21, 0.12);
  color: var(--wb-ink);
  transform: translateY(-1px);
}

.wb-language-switch:focus-visible {
  outline-color: rgba(0, 0, 0, 0.42);
}

@media (orientation: landscape) {
  .wb-language-switcher {
    position: fixed;
    top: max(12px, env(safe-area-inset-top));
    right: max(14px, env(safe-area-inset-right));
    z-index: 40;
    justify-content: flex-end;
    justify-self: auto;
    align-self: auto;
  }
}

.wb-link-button {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 78px;
  padding: 16px 18px;
  border: 1px solid rgba(122, 109, 94, 0.18);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(249, 243, 230, 0.98) 100%),
    var(--wb-panel);
  box-shadow: var(--wb-shadow);
  color: var(--wb-ink);
  text-decoration: none;
  cursor: pointer;
  position: relative;
  overflow: clip;
  outline: 2px solid transparent;
  outline-offset: 2px;
  transition:
    box-shadow var(--wb-fade-ms) ease,
    border-color var(--wb-fade-ms) ease,
    outline-color 180ms ease,
    background-color var(--wb-fade-ms) ease;
}

.wb-link-button:visited {
  color: var(--wb-ink);
}

.wb-link-button:hover {
  border-color: rgba(42, 36, 29, 0.55);
  outline-color: rgba(0, 0, 0, 0.35);
  box-shadow: 0 14px 28px rgba(67, 46, 22, 0.1);
}

.wb-link-button:focus-visible {
  outline-width: 3px;
  outline-color: rgba(0, 0, 0, 0.45);
  outline-offset: 3px;
}

.wb-link-button-body {
  min-width: 0;
  text-align: center;
}

.wb-link-button-caption {
  display: block;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  text-align: center;
}

.wb-narrator-video {
  aspect-ratio: 4 / 3;
  max-height: var(--wb-media-max-height);
  background: var(--wb-panel);
  border: 0;
  border-radius: 18px;
  box-shadow: var(--wb-shadow);
  min-width: 0;
  overflow: clip;
  padding: 0;
  position: relative;
}

.wb-narrator-video-slot {
  width: 100%;
  height: 100%;
  background: rgba(255, 252, 245, 0.72);
}

.wb-narrator-video-slot > video {
  width: 100%;
  height: 100%;
  display: block;
  background: #000;
  object-fit: contain;
  transition: filter 160ms ease, opacity 160ms ease;
}

.wb-narrator-video-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 160ms ease, background 160ms ease;
}

.wb-narrator-video-overlay::before,
.lp-start-overlay-icon {
  content: "";
  display: block;
  width: var(--lp-play-icon-size, min(25%, 92px));
  aspect-ratio: 1;
  clip-path: polygon(22% 12%, 22% 88%, 84% 50%);
  background: rgba(255, 255, 255, 0.96);
  filter: drop-shadow(0 8px 26px rgba(0, 0, 0, 0.34));
  transform: translateX(6%);
}

.wb-narrator-video.is-video-paused.has-media {
  cursor: pointer;
}

.wb-narrator-video.is-video-paused.has-media .wb-narrator-video-slot > video {
  filter: brightness(0.62) saturate(0.82);
}

.wb-narrator-video.is-video-paused.has-media .wb-narrator-video-overlay {
  opacity: 1;
  background: linear-gradient(180deg, rgba(6, 10, 20, 0.12), rgba(6, 10, 20, 0.28));
}

.lp-start-overlay {
  --lp-play-icon-size: 42%;
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 6;
  width: clamp(82px, 10vw, 124px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: 999px;
  padding: 0;
  cursor: pointer;
  background: rgba(47, 33, 20, 0.58);
  box-shadow:
    0 18px 46px rgba(56, 36, 21, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.34);
  transform: translate(-50%, -50%);
  transition: background 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.lp-start-overlay:hover,
.lp-start-overlay:focus-visible {
  background: rgba(47, 33, 20, 0.68);
  box-shadow:
    0 20px 54px rgba(56, 36, 21, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
  transform: translate(-50%, -50%) scale(1.03);
}

.lp-start-overlay:focus-visible {
  outline: 3px solid rgba(200, 154, 74, 0.72);
  outline-offset: 5px;
}

.wb-card-title {
  color: var(--wb-card-title-color, rgba(0, 0, 0, 0.5));
  font-size: 0.64rem;
  line-height: 1;
  position: absolute;
  top: 7px;
  left: 8px;
  right: 8px;
  z-index: 1;
  pointer-events: none;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.wb-card-contents {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.wb-card-content {
  min-width: 0;
  position: relative;
}

.wb-card-content-body {
  min-width: 0;
  text-align: center;
}

.wb-card .katex-display,
.wb-card-content .katex-display {
  margin: 0;
}

.wb-card .katex,
.wb-card-content .katex {
  white-space: normal;
}

.wb-card .katex-display > .katex,
.wb-card-content .katex-display > .katex {
  display: block;
  overflow-x: auto;
  overflow-y: visible;
  padding-top: calc(var(--wb-ants-orbit-gap) + var(--wb-ants-orbit-width));
  padding-bottom: calc(2px + var(--wb-ants-orbit-gap) + var(--wb-ants-orbit-width));
}

.wb-card .katex .mfrac .frac-line,
.wb-card-content .katex .mfrac .frac-line {
  border-bottom-width: max(1px, 0.04em) !important;
}

.wb-prose {
  white-space: pre-wrap;
  line-height: 1.5;
}

.wb-inline-math .katex {
  font-size: 1.04em;
}

[data-piece-key] > .enclosing,
.wb-parameter-knob-attention,
.wb-plot-coordinate-attention,
.is-highlighted {
  position: relative;
  isolation: isolate;
}

[data-piece-key] > .enclosing,
.wb-parameter-knob-attention,
.wb-plot-coordinate-attention {
  overflow: visible;
}

[data-piece-key] > .enclosing::after,
.wb-parameter-knob-attention::after,
.wb-plot-coordinate-attention::after,
.is-highlighted::after {
  content: "";
  position: absolute;
  pointer-events: none;
  inset: var(--wb-ants-orbit-inset, calc(-1 * (var(--wb-ants-orbit-gap) + var(--wb-ants-orbit-width))));
  padding: var(--wb-ants-orbit-width);
  border-radius: calc(var(--wb-ants-orbit-radius, 0.22em) + var(--wb-ants-orbit-radius-outset, calc(var(--wb-ants-orbit-gap) + var(--wb-ants-orbit-width))));
  opacity: var(--wb-attention-opacity, 0);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  mask-composite: exclude;
  background: conic-gradient(
    from var(--wb-ants-orbit-angle) at 50% 50%,
    #ff5a5f,
    #ffb84d,
    #ffe14d,
    #4ddf7d,
    #4db8ff,
    #8a5cff,
    #ff59c7,
    #ff5a5f
  );
  animation: wbAntsOrbitSpin var(--wb-ants-orbit-speed) linear infinite;
}

@keyframes wbAntsOrbitSpin {
  from {
    --wb-ants-orbit-angle: 0deg;
  }

  to {
    --wb-ants-orbit-angle: 360deg;
  }
}

.wb-parameter-editor {
  --wb-parameter-thumb-size: 22px;
  --wb-parameter-track-height: 8px;
  --wb-parameter-progress: 0.5;
  background: rgba(255, 252, 245, 0.9);
  border: 1px solid rgba(84, 61, 36, 0.14);
  border-radius: 18px;
  padding: 14px 16px;
  box-shadow: 0 8px 18px rgba(67, 46, 22, 0.06);
}

.wb-email-entry {
  background: var(--wb-panel);
  border: 1px solid rgba(84, 61, 36, 0.14);
  border-radius: 18px;
  padding: 14px 16px 16px;
  box-shadow: var(--wb-shadow);
  min-width: 0;
}

.wb-email-entry-form {
  display: grid;
  gap: 10px;
}

.wb-email-entry-label {
  font-size: clamp(0.88rem, 0.56vw + 0.78rem, 1.08rem);
  line-height: 1.55;
  font-weight: 400;
}

.wb-email-entry-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.wb-email-entry-input,
.wb-email-entry-textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid rgba(84, 61, 36, 0.18);
  background: rgba(255, 255, 255, 0.95);
  color: var(--wb-ink);
  border-radius: 12px;
  padding: 12px 14px;
  outline: none;
  font: inherit;
}

.wb-email-entry-textarea {
  min-height: 108px;
  resize: vertical;
  line-height: 1.5;
}

.wb-email-entry-input::placeholder,
.wb-email-entry-textarea::placeholder {
  opacity: 0.5;
}

.wb-email-entry-input:focus,
.wb-email-entry-textarea:focus {
  border-color: rgba(200, 154, 74, 0.88);
  box-shadow: 0 0 0 3px rgba(200, 154, 74, 0.18);
}

.wb-email-entry-submit {
  border: 1px solid rgba(84, 61, 36, 0.18);
  background: rgba(200, 154, 74, 0.16);
  color: var(--wb-ink);
  border-radius: 999px;
  padding: 12px 16px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.wb-email-entry-submit:hover:not(:disabled) {
  background: rgba(200, 154, 74, 0.24);
}

.wb-email-entry-feedback-label {
  margin-top: 2px;
}

.wb-email-entry-submit:disabled,
.wb-email-entry-input:disabled,
.wb-email-entry-textarea:disabled,
.wb-email-entry-input[readonly],
.wb-email-entry-textarea[readonly] {
  opacity: 0.72;
  cursor: wait;
}

.wb-email-entry-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.wb-email-entry-status {
  min-height: 1.3em;
  color: var(--wb-muted);
  font-size: 0.92rem;
}

.wb-email-entry-status[data-state="submitted"] {
  color: rgb(54, 117, 70);
}

.wb-email-entry-status[data-state="error"] {
  color: rgb(160, 63, 48);
}

.wb-parameter-label {
  font-weight: 800;
  margin-bottom: 10px;
}

.wb-parameter-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.wb-parameter-slider-shell {
  position: relative;
  display: flex;
  align-items: center;
  min-width: 0;
  height: calc(var(--wb-parameter-thumb-size) + 2px);
}

.wb-parameter-input {
  position: relative;
  z-index: 1;
  width: 100%;
  height: var(--wb-parameter-thumb-size);
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  accent-color: transparent;
  appearance: none;
  -webkit-appearance: none;
}

.wb-parameter-input:focus {
  outline: none;
}

.wb-parameter-input::-webkit-slider-runnable-track {
  height: var(--wb-parameter-track-height);
  border-radius: 999px;
  border: 1px solid rgba(84, 61, 36, 0.14);
  background: linear-gradient(180deg, rgba(226, 232, 240, 0.95), rgba(209, 213, 219, 0.95));
}

.wb-parameter-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: var(--wb-parameter-thumb-size);
  height: var(--wb-parameter-thumb-size);
  margin-top: calc((var(--wb-parameter-track-height) - var(--wb-parameter-thumb-size)) / 2);
  border-radius: 999px;
  border: 0;
  background: transparent;
  box-shadow: none;
  cursor: pointer;
}

.wb-parameter-input::-moz-range-track {
  height: var(--wb-parameter-track-height);
  border-radius: 999px;
  border: 1px solid rgba(84, 61, 36, 0.14);
  background: linear-gradient(180deg, rgba(226, 232, 240, 0.95), rgba(209, 213, 219, 0.95));
}

.wb-parameter-input::-moz-range-progress {
  height: var(--wb-parameter-track-height);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(184, 170, 147, 0.72), rgba(166, 148, 121, 0.72));
}

.wb-parameter-input::-moz-range-thumb {
  width: var(--wb-parameter-thumb-size);
  height: var(--wb-parameter-thumb-size);
  border-radius: 999px;
  border: 0;
  background: transparent;
  box-shadow: none;
  cursor: pointer;
}

.wb-parameter-knob-attention {
  --wb-attention-opacity: 0;
  --wb-ants-orbit-radius: 999px;
  position: absolute;
  top: 50%;
  left: calc(var(--wb-parameter-progress) * (100% - var(--wb-parameter-thumb-size)) + (var(--wb-parameter-thumb-size) / 2));
  width: var(--wb-parameter-thumb-size);
  height: var(--wb-parameter-thumb-size);
  transform: translate(-50%, -50%);
  border-radius: 999px;
  border: 1px solid rgba(84, 61, 36, 0.22);
  background: radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 1), rgba(248, 244, 236, 1) 65%, rgba(228, 219, 205, 1));
  box-shadow: 0 2px 6px rgba(67, 46, 22, 0.16);
  pointer-events: none;
  z-index: 2;
}

.wb-parameter-readout {
  display: inline-flex;
  min-width: 3ch;
  justify-content: end;
  color: var(--wb-muted);
  font-weight: 700;
}

.wb-plot-canvas {
  background: var(--wb-plot-fill, rgba(255, 253, 248, 0.92));
  border: 1px solid var(--wb-plot-grid-color, rgba(82, 102, 138, 0.07));
  border-radius: 18px;
  box-shadow: var(--wb-shadow);
  overflow: clip;
  min-width: 0;
}

.wb-plot-coordinate-attention {
  --wb-attention-opacity: 1;
  --wb-ants-orbit-radius: 999px;
  --wb-plot-coordinate-attention-size: 9px;
  position: absolute;
  width: var(--wb-plot-coordinate-attention-size);
  height: var(--wb-plot-coordinate-attention-size);
  transform: translate(-50%, -50%);
  border-radius: 999px;
  pointer-events: none;
}

.wb-plot-stage {
  position: relative;
  width: 100%;
  max-height: var(--wb-media-max-height);
  aspect-ratio: var(--wb-plot-aspect-ratio, 1 / 1);
}

.wb-plot-layer-host,
.wb-plot-layer,
.wb-plot-layer-svg,
.wb-plot-stamp-canvas {
  position: absolute;
  inset: 0;
}

.wb-plot-layer-host {
  z-index: 0;
}

.wb-plot-layer {
  pointer-events: none;
}

.wb-plot-layer[data-enabled="false"],
.wb-plot-layer[data-transparent="true"] {
  opacity: 0;
}

.wb-plot-layer-svg,
.wb-plot-stamp-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.wb-webgl-experiment {
  position: relative;
  min-width: 0;
  overflow: clip;
  border-radius: 22px;
  border: 1px solid rgba(84, 61, 36, 0.12);
  background: linear-gradient(180deg, rgba(255, 253, 248, 0.78), rgba(255, 252, 245, 0.92));
  box-shadow:
    var(--wb-shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  isolation: isolate;
}

.wb-webgl-experiment::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 44%, rgba(255, 255, 255, 0.5), transparent 48%),
    radial-gradient(circle at 78% 24%, rgba(255, 215, 140, 0.16), transparent 24%),
    radial-gradient(circle at 20% 28%, rgba(255, 175, 228, 0.12), transparent 24%);
  pointer-events: none;
  z-index: 0;
}

.wb-webgl-experiment-stage {
  position: relative;
  width: 100%;
  max-height: var(--wb-media-max-height);
  aspect-ratio: var(--wb-webgl-aspect-ratio, 8 / 5);
  overflow: hidden;
}

.wb-webgl-experiment-canvas,
.wb-webgl-experiment-overlay {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.wb-webgl-experiment-canvas {
  z-index: 1;
}

.wb-webgl-experiment-overlay {
  z-index: 2;
}

.is-highlighted {
  --wb-attention-opacity: 1;
  --wb-ants-orbit-inset: 4px;
  --wb-ants-orbit-radius: 14px;
  --wb-ants-orbit-radius-outset: 0px;
}

.is-transparent {
  opacity: 0;
}

.wb-entering:not([data-enter-effect="draw"]):not([data-enter-effect="none"]) {
  opacity: 0;
}

.wb-ghost {
  position: absolute;
  margin: 0;
  pointer-events: none;
  opacity: var(--wb-ghost-start-opacity, 1);
  transform: none;
  filter: blur(0);
  transition:
    opacity var(--wb-exit-ms) ease,
    filter var(--wb-exit-ms) ease;
}

.wb-ghost,
.wb-ghost * {
  animation: none !important;
}

.wb-ghost.is-exiting {
  opacity: 0;
  filter: blur(2px);
}

.lp-footer {
  display: grid;
  gap: 8px;
  justify-items: center;
}

.lp-playback-nav {
  width: min(1040px, 100%);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.lp-step-button {
  --lp-step-button-height: 80px;
  --lp-step-button-radius: 20px;
  width: clamp(112px, 14vw, 152px);
  min-width: 112px;
  height: var(--lp-step-button-height);
  display: inline-grid;
  place-items: center;
  border: 0;
  border-radius: var(--lp-step-button-radius);
  background: transparent;
  color: var(--wb-ink);
  cursor: pointer;
  line-height: 1;
  padding: 0;
  position: relative;
  touch-action: manipulation;
  transition: opacity 160ms ease;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.lp-step-button::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  border: 1px solid rgba(84, 61, 36, 0.18);
  border-radius: var(--lp-step-button-radius);
  background: rgba(255, 252, 245, 0.96);
  box-shadow: 0 8px 18px rgba(67, 46, 22, 0.06);
  transition: background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
  z-index: -1;
}

.lp-step-button-icon {
  width: calc(var(--lp-step-button-height) * 0.46);
  height: calc(var(--lp-step-button-height) * 0.46);
  display: block;
  color: rgba(47, 33, 20, 0.84);
  overflow: visible;
  transform-origin: center;
  transition: color 160ms ease, transform 160ms ease;
}

.lp-step-button-icon path {
  fill: none;
  stroke: currentColor;
  stroke-width: 5.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.lp-step-button--previous .lp-step-button-icon {
  transform: scaleX(-1);
}

.lp-step-button:hover:not(:disabled)::before,
.lp-step-button:focus-visible:not(:disabled)::before {
  border-color: rgba(42, 36, 29, 0.38);
  box-shadow: 0 10px 22px rgba(67, 46, 22, 0.1);
}

.lp-step-button:hover:not(:disabled) .lp-step-button-icon,
.lp-step-button:focus-visible:not(:disabled) .lp-step-button-icon {
  color: rgba(32, 23, 14, 0.96);
}

.lp-step-button--next:hover:not(:disabled) .lp-step-button-icon,
.lp-step-button--next:focus-visible:not(:disabled) .lp-step-button-icon {
  transform: translateX(2px);
}

.lp-step-button--previous:hover:not(:disabled) .lp-step-button-icon,
.lp-step-button--previous:focus-visible:not(:disabled) .lp-step-button-icon {
  transform: scaleX(-1) translateX(2px);
}

.lp-step-button:focus {
  outline: none;
}

.lp-step-button:focus-visible {
  outline: none;
}

.lp-step-button:disabled {
  cursor: default;
  opacity: 0.36;
}

.lp-step-button {
  isolation: isolate;
}

.lp-progress {
  width: 100%;
  min-width: 0;
  display: grid;
  align-content: center;
  gap: 5px;
  padding-inline: 2px;
}

.lp-progress-track {
  position: relative;
  display: block;
  height: 4px;
  border-radius: 999px;
  overflow: clip;
  background: rgba(91, 68, 45, 0.16);
}

.lp-progress-fill {
  --lp-progress: 0;
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  border-radius: inherit;
  transform: scaleX(var(--lp-progress));
  transform-origin: left center;
  transition: transform 110ms linear;
}

.lp-progress-fill.is-jumping {
  transition: none;
}

.lp-progress-track--lesson .lp-progress-fill {
  background: rgba(91, 68, 45, 0.48);
}

.lp-progress-track--section .lp-progress-fill {
  background: rgba(200, 154, 74, 0.9);
}

.lp-subtitles {
  width: min(860px, 100%);
  min-height: 3.2rem;
  position: relative;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: rgba(255, 252, 245, 0.9);
  border: 1px solid rgba(84, 61, 36, 0.14);
  border-radius: 18px;
  padding: 8px 12px;
  box-shadow: 0 10px 22px rgba(56, 36, 21, 0.06);
}

.lp-subtitle-line {
  width: 100%;
  overflow: hidden;
  text-align: center;
  line-height: 1.55;
  font-size: clamp(0.88rem, 0.56vw + 0.78rem, 1.08rem);
  white-space: nowrap;
}

.lp-subtitle-line--measure {
  position: absolute;
  top: 0;
  left: 12px;
  width: max-content;
  max-width: none;
  visibility: hidden;
  pointer-events: none;
}

.lp-token {
  display: inline;
  opacity: 1;
  color: rgba(91, 68, 45, 0.68);
  transition: color 140ms ease;
}

.lp-token.is-current,
.lp-token.is-spoken {
  color: rgba(47, 33, 20, 1);
}

.lp-token-body .katex {
  font-size: 1.02em;
}

.lp-footer,
.wb-navigation {
  align-self: end;
}

.lp-footer {
  display: grid;
  gap: 10px;
}

.wb-navigation {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
}

.wb-navigation-center {
  display: grid;
  gap: 8px;
  justify-items: center;
  min-width: 0;
}

.wb-nav-button {
  border: 1px solid rgba(84, 61, 36, 0.18);
  background: rgba(255, 252, 245, 0.96);
  color: var(--wb-ink);
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
}

.wb-nav-button:hover {
  background: white;
}

.wb-dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  max-width: 760px;
}

.wb-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  border: 0;
  background: rgba(91, 68, 45, 0.22);
  cursor: pointer;
}

.wb-dot.is-active {
  background: rgba(200, 154, 74, 0.9);
  transform: scale(1.16);
}

.wb-status {
  min-height: 1.2em;
  color: var(--wb-muted);
  font-size: 0.95rem;
  font-weight: 700;
  text-align: center;
}

.wb-arrow-path {
  fill: none;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 1;
  transition: opacity var(--wb-fade-ms) ease;
}

.wb-arrow-path.is-entering,
.wb-arrow-path.is-exiting {
  opacity: 0;
}

#wb-measure-root {
  position: fixed;
  left: -10000px;
  top: 0;
  width: 380px;
  visibility: hidden;
  pointer-events: none;
  contain: layout style paint;
}

.wb-measure-root-card {
  width: 100%;
}

@media (max-width: 900px) {
  :root {
    --wb-page-block-padding: 24px;
    --wb-media-max-height: 42dvh;
  }

  body {
    padding:
      max(16px, env(safe-area-inset-top))
      max(16px, env(safe-area-inset-right))
      max(8px, env(safe-area-inset-bottom))
      max(16px, env(safe-area-inset-left));
  }

  .wb-page {
    padding-inline: 0;
    gap: 10px;
  }

  #wb-live {
    padding: 2px 0 6px;
  }

  .wb-board {
    gap: 12px;
  }

  .wb-row {
    gap: 14px;
  }

  .wb-column {
    gap: 12px;
  }

  .wb-card,
  .wb-parameter-editor,
  .wb-email-entry {
    padding: 12px 14px 14px;
  }

  .wb-card-contents {
    gap: 22px;
  }

  .wb-navigation {
    flex-direction: column;
  }

  .wb-navigation-center {
    width: 100%;
  }

  .wb-email-entry-body {
    grid-template-columns: 1fr;
  }

  .lp-footer {
    gap: 6px;
  }

  .lp-playback-nav {
    gap: 6px;
  }

  .lp-step-button {
    --lp-step-button-height: 72px;
    --lp-step-button-radius: 18px;
    width: 108px;
    min-width: 108px;
    height: var(--lp-step-button-height);
  }

  .lp-subtitles {
    min-height: 2.9rem;
    padding: 7px 10px;
  }
}

@media (max-width: 600px) {
  :root {
    --wb-page-block-padding: 12px;
    --wb-media-max-height: 29dvh;
  }

  body {
    padding:
      max(8px, env(safe-area-inset-top))
      max(8px, env(safe-area-inset-right))
      max(4px, env(safe-area-inset-bottom))
      max(8px, env(safe-area-inset-left));
  }

  .wb-page {
    gap: 6px;
  }

  .wb-language-switcher {
    gap: 6px;
  }

  .wb-language-switch {
    min-height: 32px;
    padding: 6px 10px;
    font-size: 0.76rem;
  }

  #wb-live {
    padding: 0;
  }

  .wb-board {
    gap: 8px;
  }

  .wb-row {
    gap: 10px;
  }

  .wb-column {
    gap: 8px;
  }

  .wb-card,
  .wb-parameter-editor,
  .wb-email-entry {
    border-radius: 14px;
    padding: 9px 10px 10px;
  }

  .wb-card-title {
    top: 5px;
    left: 7px;
    right: 7px;
    font-size: 0.56rem;
  }

  .wb-card-contents {
    gap: 14px;
  }

  .wb-prose,
  .wb-email-entry-label {
    line-height: 1.35;
  }

  .wb-card .katex,
  .wb-card-content .katex {
    font-size: 0.9em;
  }

  .wb-parameter-editor {
    --wb-parameter-thumb-size: 24px;
    --wb-parameter-track-height: 8px;
  }

  .wb-parameter-label {
    margin-bottom: 6px;
  }

  .wb-parameter-body {
    gap: 8px;
  }

  .lp-footer {
    gap: 4px;
  }

  .lp-playback-nav {
    gap: 4px;
  }

  .lp-step-button {
    --lp-step-button-height: 60px;
    --lp-step-button-radius: 16px;
    width: 72px;
    min-width: 72px;
    height: var(--lp-step-button-height);
  }

  .lp-progress {
    gap: 4px;
  }

  .lp-progress-track {
    height: 3px;
  }

  .lp-subtitles {
    min-height: 2.45rem;
    border-radius: 14px;
    padding: 5px 8px;
  }

  .lp-subtitle-line {
    font-size: clamp(0.78rem, 1.7vw + 0.58rem, 0.94rem);
    line-height: 1.35;
  }
}