*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
}

[data-composition-auth="locked"] [data-composition-section="codex"],
[data-composition-auth="locked"] [data-composition-section="codex_strip"],
[data-composition-auth="locked"] [data-composition-section="column_substacks"],
[data-composition-auth="locked"] [data-composition-section="row_substacks"],
[data-composition-auth="locked"] [data-composition-section="flatlay"] {
  filter: brightness(0.35) saturate(0.5);
  pointer-events: none;
  transition: filter 0.4s ease;
}

#stage-wrapper {
  width: 100%;
  height: 100vh;
  height: 100dvh;
  min-height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.bb-display-calibration-wrap,
.bb-composition-fit-wrap,
.bb-user-zoom-wrap {
  position: relative;
  width: max-content;
  height: max-content;
  transform-origin: top center;
}

#scenic-stage {
  --riddlebord-gold-color: var(--surface-accent);
  --riddlebord-handle-color: var(--surface-accent);
  --riddlebord-handle-dot-mm: 4;
  --riddlebord-handle-selected-scale: 1.03;
  --riddlebord-handle-target-scale: 1.08;
  --riddlebord-gridpoint-color: color-mix(in srgb, var(--surface-accent) 52%, var(--surface-shadow));
  --riddlebord-gridpoint-dot-mm: 1;
  --riddlebord-piece-press-scale: 1;
  --riddlebord-codex-indicator-color: var(--surface-accent-cool);
  --riddlebord-codex-indicator-target-color: color-mix(in srgb, white 8%, var(--surface-accent-cool));
  --riddlebord-codex-indicator-dot-mm: 2;
  --riddlebord-codex-indicator-selected-opacity: 0.72;
  --riddlebord-codex-indicator-selected-group-opacity: 0.52;
  --riddlebord-codex-indicator-preview-opacity: 0.88;
  --riddlebord-codex-indicator-preview-scale: 1.08;
  --riddlebord-codex-indicator-fade-ms: 500ms;
  --riddlebord-drag-lift-easing: cubic-bezier(0.24, 0.88, 0.28, 1);
  --riddlebord-drag-snap-easing: cubic-bezier(0.34, 0.08, 0.18, 1);
  --riddlebord-drag-settle-easing: cubic-bezier(0.42, 0.02, 0.18, 1);
  --riddlebord-drag-settle-scale: 1.024;
  position: relative;
  width: calc(var(--bb-shell-mm-scale) * var(--riddlebord-stage-width-mm, 300)) !important;
  height: calc(var(--bb-shell-mm-scale) * var(--riddlebord-stage-height-mm, 500));
  max-width: 100% !important;
  min-height: calc(var(--bb-shell-mm-scale) * var(--riddlebord-stage-height-mm, 500));
  border: calc(var(--bb-shell-mm-scale) * 0.25) solid var(--surface-line);
  background: var(--surface-stage-background);
  box-shadow:
    0
    calc(var(--bb-shell-mm-scale) * 6.4)
    calc(var(--bb-shell-mm-scale) * 21.2)
    var(--surface-shadow);
}

.riddlebord-region {
  position: absolute;
  left: calc(var(--bb-slot-x-mm, 0) * var(--bb-shell-mm-scale));
  top: calc(var(--bb-slot-y-mm, 0) * var(--bb-shell-mm-scale));
  width: calc(var(--bb-slot-w-mm, 50) * var(--bb-shell-mm-scale));
  height: calc(var(--bb-slot-h-mm, 50) * var(--bb-shell-mm-scale));
  z-index: var(--bb-slot-z, 1);
  pointer-events: none;
}

.riddlebord-region > .bord {
  pointer-events: auto;
}

.bb-composition-transitioning [data-composition-slot-id],
.bb-composition-transitioning .riddlebord-region,
.bb-composition-transitioning .bord--visible {
  transition:
    transform var(--bb-composition-transition-ms, 300ms) ease-out,
    left var(--bb-composition-transition-ms, 300ms) ease-out,
    top var(--bb-composition-transition-ms, 300ms) ease-out;
}

.riddlebord-coordinator-region {
  position: absolute;
  pointer-events: none;
  z-index: 14;
}

.riddlebord-coordinator-region > .bord {
  pointer-events: auto;
}

.riddlebord-coordinator-strip {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: calc(var(--bb-shell-mm-scale) * 1.2);
  padding: calc(var(--bb-shell-mm-scale) * 1.6);
  border: calc(var(--bb-shell-mm-scale) * 0.2) solid color-mix(in srgb, var(--surface-line) 88%, transparent);
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--surface-panel) 96%, transparent),
      color-mix(in srgb, var(--surface-bg) 90%, transparent)
    );
  box-shadow: 0 calc(var(--bb-shell-mm-scale) * 1.6) calc(var(--bb-shell-mm-scale) * 4.2) var(--surface-shadow);
}

.riddlebord-coordinator-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: calc(var(--bb-shell-mm-scale) * 1.2);
  color: var(--surface-text);
  font-family: var(--surface-font-body);
}

.riddlebord-coordinator-title {
  font-size: var(--surface-type-body);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.riddlebord-coordinator-meta {
  font-size: calc(var(--bb-shell-mm-scale) * 1.6);
  color: var(--surface-muted);
}

.riddlebord-coordinator-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: calc(var(--bb-shell-mm-scale) * 1);
}

.riddlebord-coordinator-btn {
  appearance: none;
  min-width: 0;
  border: calc(var(--bb-shell-mm-scale) * 0.18) solid color-mix(in srgb, var(--surface-line) 88%, transparent);
  border-radius: calc(var(--bb-shell-mm-scale) * 0.8);
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--surface-panel) 94%, transparent),
      color-mix(in srgb, var(--surface-bg) 88%, transparent)
    );
  color: var(--surface-text);
  cursor: pointer;
  padding: calc(var(--bb-shell-mm-scale) * 0.9) calc(var(--bb-shell-mm-scale) * 0.8);
  font-family: var(--surface-font-body);
  font-size: calc(var(--bb-shell-mm-scale) * 1.7);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.riddlebord-coordinator-btn:hover {
  border-color: var(--surface-accent);
  box-shadow: 0 0 calc(var(--bb-shell-mm-scale) * 1.4) color-mix(in srgb, var(--surface-accent) 22%, transparent);
}

.riddlebord-coordinator-btn[data-state="active"] {
  border-color: var(--surface-accent-cool);
  box-shadow:
    inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.12) color-mix(in srgb, var(--surface-accent-cool) 26%, transparent),
    0 0 calc(var(--bb-shell-mm-scale) * 1.2) color-mix(in srgb, var(--surface-accent-cool) 20%, transparent);
}

.riddlebord-coordinator-freeze {
  display: grid;
  gap: calc(var(--bb-shell-mm-scale) * 0.45);
  color: var(--surface-muted);
  font-family: var(--surface-font-body);
  font-size: calc(var(--bb-shell-mm-scale) * 1.45);
  line-height: 1.35;
}

.riddlebord-coordinator-freeze strong {
  color: var(--surface-text);
  font-size: calc(var(--bb-shell-mm-scale) * 1.55);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.riddlebord-coordinator-link {
  color: var(--surface-accent-cool);
  text-decoration: none;
  word-break: break-word;
}

.riddlebord-coordinator-link:hover {
  color: var(--surface-accent);
  text-decoration: underline;
}

.riddlebord-gate-placeholder {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  border: calc(var(--bb-shell-mm-scale) * 0.18) dashed color-mix(in srgb, var(--surface-line) 72%, transparent);
  background: color-mix(in srgb, var(--surface-panel) 52%, transparent);
  color: var(--surface-muted);
  font-family: var(--surface-font-display);
  font-size: calc(var(--bb-shell-mm-scale) * 3.1);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  box-shadow: inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.1) color-mix(in srgb, var(--surface-accent) 8%, transparent);
}

.riddlebord-region--viewer {
  pointer-events: none;
}

.riddlebord-region--perimeter .riddlebord-rail,
.riddlebord-region--perimeter .riddlebord-rail * {
  pointer-events: auto;
}

.riddlebord-rail {
  width: 100%;
  height: 100%;
  display: grid;
  gap: 0;
}

.riddlebord-rail--row {
  grid-template-rows: repeat(var(--riddlebord-line-count, 6), minmax(0, 1fr));
}

.riddlebord-rail--col {
  grid-template-columns: repeat(var(--riddlebord-line-count, 6), minmax(0, 1fr));
}

.riddlebord-rail--transform {
  grid-template-rows: repeat(6, minmax(0, 1fr));
}

.riddlebord-transform-btn {
  appearance: none;
  border: calc(var(--bb-shell-mm-scale) * 0.18) solid color-mix(in srgb, var(--surface-line) 82%, transparent);
  border-radius: calc(var(--bb-shell-mm-scale) * 0.75);
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--surface-panel) 94%, transparent),
      color-mix(in srgb, var(--surface-bg) 88%, transparent)
    );
  color: var(--surface-text);
  font-family: var(--surface-font-body);
  font-size: calc(var(--bb-shell-mm-scale) * 1.6);
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
  display: grid;
  place-items: center;
  padding: 0;
  cursor: pointer;
}

.riddlebord-handle {
  appearance: none;
  position: relative;
  border: 0;
  background: transparent;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  padding: 0;
  cursor: pointer;
}

.riddlebord-handle--lift-hidden {
  opacity: 0;
  pointer-events: none;
}

.riddlebord-handle-proxy {
  position: absolute;
  pointer-events: none;
}

.riddlebord-handle::before {
  content: "";
  width: calc(var(--bb-shell-mm-scale) * var(--riddlebord-handle-dot-mm, 8));
  height: calc(var(--bb-shell-mm-scale) * var(--riddlebord-handle-dot-mm, 8));
  border-radius: 999px;
  background:
    radial-gradient(
      circle at 50% 50%,
      color-mix(in srgb, white 18%, var(--riddlebord-handle-color, var(--riddlebord-gold-color))) 0%,
      var(--riddlebord-handle-color, var(--riddlebord-gold-color)) 38%,
      color-mix(in srgb, var(--riddlebord-handle-color, var(--riddlebord-gold-color)) 58%, transparent) 72%,
      transparent 100%
    );
  box-shadow:
    0 0 calc(var(--bb-shell-mm-scale) * 0.72) color-mix(in srgb, var(--riddlebord-handle-color, var(--riddlebord-gold-color)) 14%, transparent),
    0 0 calc(var(--bb-shell-mm-scale) * 0.12) color-mix(in srgb, var(--riddlebord-handle-color, var(--riddlebord-gold-color)) 20%, transparent);
  transition:
    transform 180ms var(--riddlebord-drag-snap-easing, cubic-bezier(0.34, 0.08, 0.18, 1)),
    box-shadow 180ms ease,
    filter 180ms ease;
}

.riddlebord-handle.riddlebord-handle-selected {
  filter: saturate(1.04);
}

.riddlebord-handle.riddlebord-handle-selected::before {
  transform: scale(var(--riddlebord-handle-selected-scale, 1.06));
  box-shadow:
    0 0 calc(var(--bb-shell-mm-scale) * 0.92) color-mix(in srgb, var(--riddlebord-handle-color, var(--riddlebord-gold-color)) 20%, transparent),
    0 0 calc(var(--bb-shell-mm-scale) * 0.14) color-mix(in srgb, var(--riddlebord-handle-color, var(--riddlebord-gold-color)) 24%, transparent);
}

.riddlebord-handle.riddlebord-handle-drop-target,
.riddlebord-handle:hover:not([hidden]) {
  filter: saturate(1.08) brightness(1.02);
}

.riddlebord-handle.riddlebord-handle-drop-target::before,
.riddlebord-handle:hover:not([hidden])::before {
  transform: scale(var(--riddlebord-handle-target-scale, 1.14));
  box-shadow:
    0 0 calc(var(--bb-shell-mm-scale) * 1.08) color-mix(in srgb, var(--riddlebord-handle-color, var(--riddlebord-gold-color)) 24%, transparent),
    0 0 calc(var(--bb-shell-mm-scale) * 0.18) color-mix(in srgb, var(--riddlebord-handle-color, var(--riddlebord-gold-color)) 28%, transparent);
}

.riddlebord-transform-btn:hover:not(:disabled) {
  border-color: var(--surface-accent);
  box-shadow:
    inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.12) color-mix(in srgb, var(--surface-accent) 26%, transparent),
    0 0 calc(var(--bb-shell-mm-scale) * 1.4) color-mix(in srgb, var(--surface-accent) 24%, transparent);
}

.riddlebord-region--transforms {
  opacity: 0;
  visibility: hidden;
  transition: opacity 180ms ease, visibility 0ms linear 180ms;
}

.riddlebord-region--transforms.riddlebord-region--visible {
  opacity: 1;
  visibility: visible;
  transition: opacity 180ms ease;
}

.riddlebord-region--transforms:not(.riddlebord-region--visible) .riddlebord-transform-btn {
  pointer-events: none;
}

.riddlebord-transform-btn:disabled {
  opacity: 0.45;
  cursor: default;
}

.riddlebord-transform-btn[data-transform="mirror_x"] {
  border-color: var(--surface-accent);
}

.riddlebord-transform-btn[data-transform="mirror_y"] {
  border-color: var(--surface-accent-cool);
}

.riddlebord-transform-btn[data-transform="rotate_cw"],
.riddlebord-transform-btn[data-transform="rotate_ccw"] {
  border-color: var(--surface-accent-rose);
}

.riddlebord-transform-btn[data-transform="rotate_180"],
.riddlebord-transform-btn[data-transform="reset"] {
  border-color: color-mix(in srgb, var(--theme-surface-success) 70%, var(--surface-line));
}

.riddlebord-marquee {
  position: absolute;
  z-index: 34;
  border: calc(var(--bb-shell-mm-scale) * 0.24) solid color-mix(in srgb, var(--riddlebord-gold-color) 80%, transparent);
  background: color-mix(in srgb, var(--riddlebord-gold-color) 12%, transparent);
  box-shadow:
    inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.1) color-mix(in srgb, var(--riddlebord-gold-color) 28%, transparent),
    0 0 calc(var(--bb-shell-mm-scale) * 1.6) color-mix(in srgb, var(--riddlebord-gold-color) 18%, transparent);
  pointer-events: none;
}

.riddlebord-drag-lift-layer {
  position: absolute;
  inset: 0;
  z-index: calc(var(--riddlebord-drag-z-boost, 30) + 8);
  pointer-events: none;
  overflow: visible;
}

.riddlebord-drag-lift-cluster {
  position: absolute;
  inset: 0;
  pointer-events: none;
  transform-origin: 0 0;
  transition:
    transform var(--riddlebord-drag-motion-ms, var(--riddlebord-drag-pickup-ms, 110ms)) var(--riddlebord-drag-motion-easing, var(--riddlebord-drag-lift-easing, cubic-bezier(0.24, 0.88, 0.28, 1))),
    opacity 140ms ease;
  will-change: transform;
}

.riddlebord-gridpoint-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: visible;
  pointer-events: none;
}

.riddlebord-gridpoint-dot {
  position: absolute;
  width: calc(var(--bb-shell-mm-scale) * var(--riddlebord-gridpoint-dot-mm, 2));
  height: calc(var(--bb-shell-mm-scale) * var(--riddlebord-gridpoint-dot-mm, 2));
  transform: translate(-50%, -50%);
  border-radius: 999px;
  background:
    radial-gradient(
      circle at 50% 50%,
      color-mix(in srgb, white 10%, var(--riddlebord-gridpoint-color)) 0%,
      var(--riddlebord-gridpoint-color) 38%,
      color-mix(in srgb, var(--riddlebord-gridpoint-color) 50%, transparent) 72%,
      transparent 100%
    );
  box-shadow:
    0 0 calc(var(--bb-shell-mm-scale) * 0.2) color-mix(in srgb, var(--riddlebord-gridpoint-color) 12%, transparent);
}

.riddlebord-region--codex {
  display: flex;
  align-items: stretch;
  overflow: visible;
}

.riddlebord-runtime-codex,
.riddlebord-runtime-substack {
  position: relative;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
}

.riddlebord-codex {
  position: relative;
  display: block;
  flex: 1 1 auto;
  width: 100%;
  height: 100%;
  pointer-events: auto;
  z-index: 1;
  overflow: hidden;
}

.riddlebord-codex-indicators {
  position: absolute;
  inset: 0;
  overflow: visible;
  pointer-events: none;
  z-index: 3;
}

.riddlebord-codex-indicator {
  position: absolute;
  top: calc(var(--bb-shell-mm-scale) * var(--riddlebord-codex-indicator-center-y-mm, 0));
  left: var(--riddlebord-codex-indicator-offset-pct, 50%);
  width: calc(var(--bb-shell-mm-scale) * var(--riddlebord-codex-indicator-dot-mm, 2));
  height: calc(var(--bb-shell-mm-scale) * var(--riddlebord-codex-indicator-dot-mm, 2));
  border-radius: 999px;
  transform: translate(-50%, -50%) scale(0.76);
  background:
    radial-gradient(
      circle at 50% 50%,
      color-mix(in srgb, white 18%, var(--riddlebord-codex-indicator-color, var(--riddlebord-gold-color))) 0%,
      var(--riddlebord-codex-indicator-color, var(--riddlebord-gold-color)) 38%,
      color-mix(in srgb, var(--riddlebord-codex-indicator-color, var(--riddlebord-gold-color)) 58%, transparent) 72%,
      transparent 100%
    );
  box-shadow:
    0 0 calc(var(--bb-shell-mm-scale) * 0.48) color-mix(in srgb, var(--riddlebord-codex-indicator-color, var(--riddlebord-gold-color)) 18%, transparent);
  opacity: 0;
  pointer-events: none;
  transition:
    left var(--riddlebord-drag-snap-ms, 310ms) var(--riddlebord-drag-snap-easing, cubic-bezier(0.34, 0.08, 0.18, 1)),
    opacity var(--riddlebord-codex-indicator-fade-ms, 580ms) var(--riddlebord-drag-settle-easing, cubic-bezier(0.42, 0.02, 0.18, 1)),
    transform var(--riddlebord-drag-snap-ms, 310ms) var(--riddlebord-drag-snap-easing, cubic-bezier(0.34, 0.08, 0.18, 1)),
    box-shadow var(--riddlebord-drag-snap-ms, 310ms) ease,
    background-image var(--riddlebord-drag-snap-ms, 310ms) ease;
}

.riddlebord-codex-indicator[hidden] {
  display: none;
}

.riddlebord-strip {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--riddlebord-codex-strip-left-pct, 0%);
  width: var(--riddlebord-codex-strip-width-pct, 0%);
  border: 0;
  border-radius: calc(var(--bb-shell-mm-scale) * 0.5);
  background-color: var(--surface-panel);
  box-shadow: inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.12) var(--surface-line);
  transition:
    left var(--riddlebord-drag-snap-ms, 310ms) var(--riddlebord-drag-snap-easing, cubic-bezier(0.34, 0.08, 0.18, 1)),
    box-shadow 120ms ease,
    filter 120ms ease;
  overflow: hidden;
  pointer-events: auto;
  cursor: pointer;
  will-change: left;
}

.riddlebord-strip-face {
  position: absolute;
  /* Pre-rotation: swap strip axes so background maps correctly.
     Strip is W wide × H tall (H ≈ 6W for 36 bords in 300mm×50mm codex).
     Face is H wide × W tall before rotation, then rotated to fill strip.
     600% of parent width = strip height; 16.67% of parent height = strip width. */
  top: 50%;
  left: 50%;
  width: 600%;
  height: 16.67%;
  transform: translate(-50%, -50%) rotate(-90deg);
  transform-origin: center;
  background: var(--riddlebord-codex-face-background, var(--surface-panel));
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.riddlebord-strip.riddlebord-selected {
  box-shadow: inset 0 0 0 0 transparent;
  filter: saturate(1.03) brightness(1.01);
}

.riddlebord-codex-indicator.riddlebord-selected {
  opacity: var(--riddlebord-codex-indicator-selected-opacity, 0.72);
  transform: translate(-50%, -50%) scale(1);
}

.riddlebord-strip.riddlebord-selected-group {
  box-shadow: inset 0 0 0 0 transparent;
  filter: saturate(0.96) brightness(0.97);
}

.riddlebord-codex-indicator.riddlebord-selected-group {
  opacity: var(--riddlebord-codex-indicator-selected-group-opacity, 0.52);
  transform: translate(-50%, -50%) scale(0.94);
}

.riddlebord-codex-indicator.riddlebord-drop-preview {
  opacity: var(--riddlebord-codex-indicator-preview-opacity, 0.88);
  transform: translate(-50%, -50%) scale(var(--riddlebord-codex-indicator-preview-scale, 1.08));
  background:
    radial-gradient(
      circle at 50% 50%,
      color-mix(in srgb, white 18%, var(--riddlebord-codex-indicator-target-color, var(--riddlebord-codex-indicator-color))) 0%,
      var(--riddlebord-codex-indicator-target-color, var(--riddlebord-codex-indicator-color)) 38%,
      color-mix(in srgb, var(--riddlebord-codex-indicator-target-color, var(--riddlebord-codex-indicator-color)) 58%, transparent) 72%,
      transparent 100%
    );
  box-shadow:
    0 0 calc(var(--bb-shell-mm-scale) * 0.64) color-mix(in srgb, var(--riddlebord-codex-indicator-target-color, var(--riddlebord-codex-indicator-color)) 24%, transparent);
}

.riddlebord-codex-indicator.riddlebord-fading-out {
  opacity: 0;
}

.riddlebord-strip.riddlebord-line-highlighted {
  box-shadow:
    inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.18) color-mix(in srgb, var(--riddlebord-gold-color) 74%, transparent),
    0 0 calc(var(--bb-shell-mm-scale) * 1.4) color-mix(in srgb, var(--riddlebord-gold-color) 24%, transparent);
}

.riddlebord-strip.riddlebord-drop-preview {
  box-shadow:
    inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.22) color-mix(in srgb, white 16%, var(--riddlebord-gold-color)),
    0 0 calc(var(--bb-shell-mm-scale) * 1.8) color-mix(in srgb, var(--riddlebord-gold-color) 30%, transparent);
  filter: saturate(1.08) brightness(1.04);
}

.riddlebord-strip.riddlebord-lift-source {
  opacity: var(--riddlebord-drag-source-opacity, 0.16);
  filter: saturate(0.78);
}

.riddlebord-strip.riddlebord-drag-over {
  box-shadow:
    inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.22) color-mix(in srgb, white 16%, var(--riddlebord-gold-color)),
    0 0 calc(var(--bb-shell-mm-scale) * 1.8) color-mix(in srgb, var(--riddlebord-gold-color) 30%, transparent);
  filter: saturate(1.08) brightness(1.04);
}

.riddlebord-region--substack,
.riddlebord-runtime-substack,
.riddlebord-region--corner {
  overflow: visible;
}

.riddlebord-runtime-substack .riddlebord-substack-band,
.riddlebord-runtime-substack .riddlebord-substack-band * ,
.riddlebord-region--corner .riddlebord-corner-bord,
.riddlebord-region--corner .riddlebord-corner-bord * {
  pointer-events: auto;
}

.riddlebord-substack-band {
  position: relative;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.riddlebord-substack-tile {
  position: absolute;
  left: var(--riddlebord-substack-left-pct, 0%);
  top: var(--riddlebord-substack-top-pct, 0%);
  width: var(--riddlebord-substack-width-pct, 0%);
  height: var(--riddlebord-substack-height-pct, 0%);
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: calc(var(--bb-shell-mm-scale) * 0.5);
  overflow: visible;
  cursor: pointer;
  transition:
    left var(--riddlebord-drag-snap-ms, 310ms) var(--riddlebord-drag-snap-easing, cubic-bezier(0.34, 0.08, 0.18, 1)),
    top var(--riddlebord-drag-snap-ms, 310ms) var(--riddlebord-drag-snap-easing, cubic-bezier(0.34, 0.08, 0.18, 1)),
    box-shadow 120ms ease,
    filter 120ms ease,
    opacity 120ms ease;
  will-change: left, top;
}

.riddlebord-substack-tile .bord_surface,
.riddlebord-substack-tile .bord_title,
.riddlebord-substack-tile .bord_kicker,
.riddlebord-substack-tile .bord_body,
.riddlebord-substack-tile .bord_meta,
.riddlebord-substack-tile .bord_tags,
.riddlebord-substack-tile .bord_notes {
  display: none;
}

.riddlebord-substack-face {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  overflow: hidden;
  box-shadow:
    inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.08) color-mix(in srgb, var(--surface-line) 82%, transparent),
    0 0 calc(var(--bb-shell-mm-scale) * 0.5) color-mix(in srgb, var(--surface-shadow) 18%, transparent);
  transition: transform 160ms ease, filter 120ms ease, box-shadow 120ms ease;
}

.riddlebord-substack-face-fill {
  position: absolute;
  left: 50%;
  top: 50%;
  width: var(--riddlebord-substack-fill-width-pct, 100%);
  height: var(--riddlebord-substack-fill-height-pct, 100%);
  background: var(--riddlebord-substack-face-background, var(--surface-panel));
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  transform: var(--riddlebord-substack-fill-transform, translate(-50%, -50%));
  transform-origin: center;
  transition: transform 160ms ease, filter 120ms ease;
  pointer-events: none;
}

.riddlebord-substack-dot {
  position: absolute;
  width: calc(var(--bb-shell-mm-scale) * 1.4);
  height: calc(var(--bb-shell-mm-scale) * 1.4);
  border-radius: 999px;
  background:
    radial-gradient(
      circle at 50% 50%,
      color-mix(in srgb, white 18%, var(--surface-accent-cool)) 0%,
      var(--surface-accent-cool) 42%,
      color-mix(in srgb, var(--surface-accent-cool) 62%, transparent) 76%,
      transparent 100%
    );
  box-shadow:
    0 0 calc(var(--bb-shell-mm-scale) * 0.52) color-mix(in srgb, var(--surface-accent-cool) 22%, transparent);
  pointer-events: none;
}

.riddlebord-substack-dot[hidden] {
  display: none;
}

.riddlebord-substack-tile--column .riddlebord-substack-dot {
  left: calc(var(--bb-shell-mm-scale) * -0.9);
  top: 50%;
  transform: translate(-50%, -50%);
}

.riddlebord-substack-tile--row .riddlebord-substack-dot {
  left: 50%;
  top: calc(var(--bb-shell-mm-scale) * -0.9);
  transform: translate(-50%, -50%);
}

.riddlebord-substack-tile.riddlebord-selected .riddlebord-substack-face,
.riddlebord-substack-tile.riddlebord-selected-group .riddlebord-substack-face,
.riddlebord-substack-tile.riddlebord-line-highlighted .riddlebord-substack-face,
.riddlebord-substack-tile.riddlebord-drop-preview .riddlebord-substack-face {
  filter: saturate(1.04) brightness(1.02);
}

.riddlebord-substack-tile.riddlebord-selected .riddlebord-substack-face {
  box-shadow:
    inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.16) color-mix(in srgb, white 14%, var(--riddlebord-gold-color)),
    0 0 calc(var(--bb-shell-mm-scale) * 1.2) color-mix(in srgb, var(--riddlebord-gold-color) 26%, transparent);
}

.riddlebord-substack-tile.riddlebord-selected-group .riddlebord-substack-face {
  box-shadow:
    inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.14) color-mix(in srgb, var(--riddlebord-gold-color) 70%, transparent),
    0 0 calc(var(--bb-shell-mm-scale) * 0.9) color-mix(in srgb, var(--surface-shadow) 18%, transparent);
}

.riddlebord-substack-tile.riddlebord-line-highlighted .riddlebord-substack-face {
  box-shadow:
    inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.16) color-mix(in srgb, var(--riddlebord-gold-color) 76%, transparent),
    0 0 calc(var(--bb-shell-mm-scale) * 1.3) color-mix(in srgb, var(--riddlebord-gold-color) 24%, transparent);
}

.riddlebord-substack-tile.riddlebord-drop-preview .riddlebord-substack-face {
  box-shadow:
    inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.18) color-mix(in srgb, white 16%, var(--riddlebord-gold-color)),
    0 0 calc(var(--bb-shell-mm-scale) * 1.6) color-mix(in srgb, var(--riddlebord-gold-color) 30%, transparent);
}

.riddlebord-corner-bord {
  position: relative;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  overflow: visible;
}

.riddlebord-corner-toggle {
  appearance: none;
  position: absolute;
  inset: 0;
  border: calc(var(--bb-shell-mm-scale) * 0.16) solid color-mix(in srgb, var(--surface-line) 82%, transparent);
  border-radius: calc(var(--bb-shell-mm-scale) * 1);
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--surface-panel) 94%, transparent),
      color-mix(in srgb, var(--surface-bg) 88%, transparent)
    );
  color: var(--surface-text);
  font-family: var(--surface-font-body);
  font-size: calc(var(--bb-shell-mm-scale) * 1.5);
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
  cursor: pointer;
  z-index: 1;
}

.riddlebord-corner-menu {
  position: absolute;
  top: calc(100% + calc(var(--bb-shell-mm-scale) * 0.85));
  left: 0;
  min-width: calc(var(--bb-shell-mm-scale) * 18);
  display: none;
  gap: calc(var(--bb-shell-mm-scale) * 0.55);
  padding: calc(var(--bb-shell-mm-scale) * 0.7);
  border-radius: calc(var(--bb-shell-mm-scale) * 1);
  background: color-mix(in srgb, var(--surface-bg) 94%, transparent);
  box-shadow:
    inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.16) color-mix(in srgb, var(--surface-line) 76%, transparent),
    0 calc(var(--bb-shell-mm-scale) * 1.2) calc(var(--bb-shell-mm-scale) * 2.8) color-mix(in srgb, var(--surface-shadow) 24%, transparent);
  z-index: 5;
}

.riddlebord-corner-menu.riddlebord-corner-menu--open {
  display: grid;
}

.riddlebord-corner-action {
  appearance: none;
  border: calc(var(--bb-shell-mm-scale) * 0.16) solid color-mix(in srgb, var(--surface-line) 78%, transparent);
  border-radius: calc(var(--bb-shell-mm-scale) * 0.82);
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--surface-panel) 94%, transparent),
      color-mix(in srgb, var(--surface-bg) 88%, transparent)
    );
  color: var(--surface-text);
  font-family: var(--surface-font-body);
  font-size: calc(var(--bb-shell-mm-scale) * 1.4);
  line-height: 1.1;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding:
    calc(var(--bb-shell-mm-scale) * 0.6)
    calc(var(--bb-shell-mm-scale) * 0.75);
  cursor: pointer;
  text-align: left;
}

.riddlebord-corner-action--active {
  border-color: var(--surface-accent-cool);
  box-shadow:
    inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.14) color-mix(in srgb, var(--surface-accent-cool) 34%, transparent),
    0 0 calc(var(--bb-shell-mm-scale) * 1.2) color-mix(in srgb, var(--surface-accent-cool) 22%, transparent);
}

.riddlebord-corner-action:disabled,
.riddlebord-corner-action--disabled {
  opacity: 0.48;
  cursor: default;
  box-shadow: none;
}

.riddlebord-corner-freeze {
  display: grid;
  gap: calc(var(--bb-shell-mm-scale) * 0.35);
  margin-top: calc(var(--bb-shell-mm-scale) * 0.2);
  padding-top: calc(var(--bb-shell-mm-scale) * 0.65);
  border-top: calc(var(--bb-shell-mm-scale) * 0.14) solid color-mix(in srgb, var(--surface-line) 68%, transparent);
}

.riddlebord-corner-freeze__label,
.riddlebord-corner-freeze__status,
.riddlebord-corner-freeze__time,
.riddlebord-corner-freeze__link {
  margin: 0;
  font-family: var(--surface-font-body);
}

.riddlebord-corner-freeze__label {
  color: var(--surface-muted);
  font-size: calc(var(--bb-shell-mm-scale) * 1.2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.riddlebord-corner-freeze__status,
.riddlebord-corner-freeze__time,
.riddlebord-corner-freeze__link {
  font-size: calc(var(--bb-shell-mm-scale) * 1.25);
  line-height: 1.35;
}

.riddlebord-corner-freeze__status,
.riddlebord-corner-freeze__time {
  color: var(--surface-text);
}

.riddlebord-corner-freeze__link {
  color: var(--surface-accent-cool);
  text-decoration: none;
}

.riddlebord-corner-freeze__link:hover,
.riddlebord-corner-freeze__link:focus-visible {
  text-decoration: underline;
}

.riddlebord-piece {
  position: relative;
  --bb-slot-center-offset-x: 0px;
  --bb-slot-center-offset-y: 0px;
  transition-property: transform, filter, opacity;
  transition-timing-function: var(--riddlebord-drag-settle-easing, cubic-bezier(0.42, 0.02, 0.18, 1));
  transition-duration: 220ms;
  cursor: pointer;
}

.riddlebord-piece .bord_surface {
  padding: 0;
  gap: 0;
}

.riddlebord-piece .bord_title,
.riddlebord-piece .bord_kicker,
.riddlebord-piece .bord_body,
.riddlebord-piece .bord_meta,
.riddlebord-piece .bord_tags,
.riddlebord-piece .bord_notes {
  display: none;
}

.riddlebord-face {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  transform-origin: center;
  transition: transform 160ms ease;
}

.riddlebord-piece-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  transform-origin: center center;
  transition: opacity 180ms ease, transform 180ms ease;
}

.riddlebord-piece-overlay[style*="display: none"] {
  opacity: 0;
}

.riddlebord-piece,
.riddlebord-piece:active,
.riddlebord-piece.bord--active,
.riddlebord-piece.bord--shell:active {
  --bb-active-scale-bump: var(--riddlebord-piece-press-scale, 1);
}

.riddlebord-piece::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  border: calc(var(--bb-shell-mm-scale) * 0.18) solid transparent;
  box-shadow: none;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.riddlebord-piece.riddlebord-selected {
  z-index: 20 !important;
}

.riddlebord-piece.riddlebord-selected::after {
  box-shadow:
    inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.16) color-mix(in srgb, white 12%, var(--riddlebord-gold-color)),
    0 0 calc(var(--bb-shell-mm-scale) * 1.45) color-mix(in srgb, var(--riddlebord-gold-color) 24%, transparent);
}

.riddlebord-piece.riddlebord-selected-group {
  filter: saturate(0.94) brightness(0.96);
}

.riddlebord-piece.riddlebord-selected-group::after {
  box-shadow:
    inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.14) color-mix(in srgb, var(--riddlebord-gold-color) 68%, transparent),
    inset 0 0 calc(var(--bb-shell-mm-scale) * 2.2) color-mix(in srgb, var(--surface-shadow) 35%, transparent);
}

.riddlebord-piece.riddlebord-selected-group::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 42%, color-mix(in srgb, var(--surface-shadow) 28%, transparent) 100%);
  pointer-events: none;
  z-index: 2;
}

.riddlebord-piece.riddlebord-line-highlighted::after {
  border-color: color-mix(in srgb, var(--riddlebord-gold-color) 84%, transparent);
  box-shadow:
    0 0 0 calc(var(--bb-shell-mm-scale) * 0.18) color-mix(in srgb, var(--riddlebord-gold-color) 48%, transparent),
    0 0 calc(var(--bb-shell-mm-scale) * 2.4) color-mix(in srgb, var(--riddlebord-gold-color) 24%, transparent);
}

.riddlebord-piece.riddlebord-piece--lifted {
  pointer-events: none;
  filter:
    saturate(1.08)
    brightness(1.03)
    drop-shadow(0 calc(var(--bb-shell-mm-scale) * 1.35) calc(var(--bb-shell-mm-scale) * 4.2) color-mix(in srgb, var(--surface-shadow) 32%, transparent));
}

.riddlebord-piece.riddlebord-piece--settling {
  will-change: transform;
  transition-timing-function: var(--riddlebord-drag-settle-easing, cubic-bezier(0.42, 0.02, 0.18, 1));
}

.riddlebord-piece.riddlebord-drag-over,
.riddlebord-piece.riddlebord-drop-preview {
  --bb-active-scale-bump: 1.018;
}

.riddlebord-piece.riddlebord-drag-over::after {
  border-color: color-mix(in srgb, white 14%, var(--riddlebord-gold-color));
  box-shadow:
    0 0 0 calc(var(--bb-shell-mm-scale) * 0.2) color-mix(in srgb, var(--riddlebord-gold-color) 64%, transparent),
    0 0 calc(var(--bb-shell-mm-scale) * 3.2) color-mix(in srgb, var(--riddlebord-gold-color) 34%, transparent);
}

.riddlebord-piece.riddlebord-drop-preview::after {
  border-color: color-mix(in srgb, white 14%, var(--riddlebord-gold-color));
  box-shadow:
    0 0 0 calc(var(--bb-shell-mm-scale) * 0.22) color-mix(in srgb, var(--riddlebord-gold-color) 68%, transparent),
    0 0 calc(var(--bb-shell-mm-scale) * 3.4) color-mix(in srgb, var(--riddlebord-gold-color) 38%, transparent);
}

.riddlebord-piece.riddlebord-solve-correct::after {
  border-color: color-mix(in srgb, white 12%, var(--surface-accent));
  box-shadow:
    0 0 0 calc(var(--bb-shell-mm-scale) * 0.18) color-mix(in srgb, var(--surface-accent) 58%, transparent),
    0 0 calc(var(--bb-shell-mm-scale) * 2.8) color-mix(in srgb, var(--surface-accent) 34%, transparent);
}

.riddlebord-strip.riddlebord-solve-correct,
.riddlebord-substack-tile.riddlebord-solve-correct .riddlebord-substack-face {
  box-shadow:
    inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.18) color-mix(in srgb, white 12%, var(--surface-accent)),
    0 0 calc(var(--bb-shell-mm-scale) * 1.5) color-mix(in srgb, var(--surface-accent) 28%, transparent);
  filter: saturate(1.05) brightness(1.05);
}

.riddlebord-stage--sealed .riddlebord-piece {
  --bb-slot-center-offset-x: calc(var(--bb-shell-mm-scale) * -0.5);
  --bb-slot-center-offset-y: calc(var(--bb-shell-mm-scale) * -0.5);
  width: calc(var(--bb-shell-mm-scale) * var(--riddlebord-pitch-mm, 50)) !important;
  height: calc(var(--bb-shell-mm-scale) * var(--riddlebord-pitch-mm, 50)) !important;
}

.riddlebord-stage--busy::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 35;
  pointer-events: none;
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--surface-panel) 24%, transparent),
      color-mix(in srgb, var(--surface-bg) 38%, transparent)
    );
}

.riddlebord-stage--busy .riddlebord-piece,
.riddlebord-stage--busy .riddlebord-strip,
.riddlebord-stage--busy .riddlebord-substack-tile,
.riddlebord-stage--busy .riddlebord-handle,
.riddlebord-stage--busy .riddlebord-transform-btn,
.riddlebord-stage--busy .riddlebord-corner-toggle,
.riddlebord-stage--busy .riddlebord-corner-action,
.riddlebord-stage--reference .riddlebord-piece,
.riddlebord-stage--reference .riddlebord-strip,
.riddlebord-stage--reference .riddlebord-substack-tile,
.riddlebord-stage--reference .riddlebord-handle,
.riddlebord-stage--reference .riddlebord-transform-btn,
.riddlebord-stage--reference .riddlebord-corner-toggle,
.riddlebord-stage--reference .riddlebord-corner-action {
  pointer-events: none;
}

.riddlebord-stage--busy .riddlebord-piece,
.riddlebord-stage--busy .riddlebord-strip,
.riddlebord-stage--busy .riddlebord-substack-tile {
  filter: saturate(0.74);
}

.riddlebord-stage--reference .riddlebord-strip,
.riddlebord-stage--reference .riddlebord-substack-tile {
  opacity: 0.64;
}

.riddlebord-stage--solved .riddlebord-piece::after {
  animation: riddlebord-solved-pulse 900ms ease-out;
}

@keyframes riddlebord-solved-pulse {
  0% {
    border-color: color-mix(in srgb, white 10%, var(--riddlebord-gold-color));
    box-shadow:
      0 0 0 calc(var(--bb-shell-mm-scale) * 0.2) color-mix(in srgb, var(--riddlebord-gold-color) 72%, transparent),
      0 0 calc(var(--bb-shell-mm-scale) * 2.8) color-mix(in srgb, var(--riddlebord-gold-color) 42%, transparent);
  }
  100% {
    border-color: color-mix(in srgb, var(--riddlebord-gold-color) 44%, transparent);
    box-shadow:
      0 0 0 calc(var(--bb-shell-mm-scale) * 0.08) color-mix(in srgb, var(--riddlebord-gold-color) 20%, transparent),
      0 0 calc(var(--bb-shell-mm-scale) * 0.8) color-mix(in srgb, var(--riddlebord-gold-color) 12%, transparent);
  }
}

.riddlebord-tab .bord_surface,
.riddlebord-summary-bord .bord_surface {
  justify-content: flex-start;
}

.riddlebord-tab .bord_surface {
  padding:
    calc(var(--bb-shell-mm-scale) * 2.4)
    calc(var(--bb-shell-mm-scale) * 2.6)
    calc(var(--bb-shell-mm-scale) * 2);
  gap: calc(var(--bb-shell-mm-scale) * 0.9);
}

.riddlebord-tab--active::after,
.riddlebord-deck--active::after,
.riddlebord-protocol-bord::after,
.riddlebord-control-bord::after,
.riddlebord-switchbord::after {
  border-color: color-mix(in srgb, var(--surface-accent) 40%, var(--surface-line));
}

.riddlebord-summary-bord .bord_surface {
  padding:
    calc(var(--bb-shell-mm-scale) * 2)
    calc(var(--bb-shell-mm-scale) * 2.2)
    calc(var(--bb-shell-mm-scale) * 1.8);
  gap: calc(var(--bb-shell-mm-scale) * 0.8);
}

.riddlebord-summary-bord .bord_title {
  font-size: calc(var(--bb-shell-mm-scale) * 2.8);
}

.riddlebord-summary-bord .bord_body {
  display: block;
  font-size: calc(var(--bb-shell-mm-scale) * 2.1);
  line-height: 1.2;
}

.riddlebord-summary-bord .bord_meta {
  display: block;
  font-size: calc(var(--bb-shell-mm-scale) * 1.8);
  line-height: 1.15;
}

.riddlebord-control-bord .bord_surface,
.riddlebord-protocol-bord .bord_surface,
.riddlebord-switchbord .bord_surface {
  padding: calc(var(--bb-shell-mm-scale) * 1.6);
}

.riddlebord-control-bord .bord_cell_control,
.riddlebord-protocol-bord .bord_cell_control,
.riddlebord-switchbord .bord_cell_control {
  display: grid;
  place-items: center;
  border: calc(var(--bb-shell-mm-scale) * 0.25) solid color-mix(in srgb, var(--surface-line) 85%, transparent);
  border-radius: calc(var(--bb-shell-mm-scale) * 1.1);
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--surface-panel) 88%, transparent),
      color-mix(in srgb, var(--surface-bg) 82%, transparent)
    );
  color: var(--surface-text);
  font-family: var(--surface-font-body);
  font-size: var(--surface-type-meta);
  line-height: 1;
  text-transform: uppercase;
  box-shadow: inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.08) color-mix(in srgb, var(--surface-text) 10%, transparent);
}

.riddlebord-control-bord .bord_cell_control[data-action-target],
.riddlebord-protocol-bord .bord_cell_control[data-action-target],
.riddlebord-switchbord .bord_cell_control[data-action-target] {
  cursor: pointer;
}

.riddlebord-control-bord .bord_cell_control.riddlebord-control-active,
.riddlebord-protocol-bord .bord_cell_control.riddlebord-control-active,
.riddlebord-switchbord .bord_cell_control.riddlebord-control-active {
  border-color: var(--surface-accent-cool);
  box-shadow:
    inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.16) color-mix(in srgb, var(--surface-accent-cool) 35%, transparent),
    0 0 calc(var(--bb-shell-mm-scale) * 1.6) color-mix(in srgb, var(--surface-accent-cool) 28%, transparent);
}

.riddlebord-control-bord .bord_cell_control.riddlebord-control-disabled,
.riddlebord-protocol-bord .bord_cell_control.riddlebord-control-disabled,
.riddlebord-switchbord .bord_cell_control.riddlebord-control-disabled {
  opacity: 0.45;
  filter: saturate(0.75);
  pointer-events: none;
}

.riddlebord-control-bord .bord_cell_text,
.riddlebord-protocol-bord .bord_cell_text,
.riddlebord-switchbord .bord_cell_text {
  font-size: calc(var(--bb-shell-mm-scale) * 1.9);
  letter-spacing: 0.04em;
}

.riddlebord-switchbord {
  transition-duration: 180ms;
}

.riddlebord-headrack-expander,
.riddlebord-headrack-expander .bb_viewport,
.riddlebord-headrack-expander .bb_stage,
.riddlebord-headrack-expander .bbt {
  overflow: visible;
}

.riddlebord-headrack-expander .bb_viewport {
  display: block;
  width: auto;
}

.riddlebord-headrack-expander .bord[data-board="ether"] .bord_surface::before {
  content: none;
}

.riddlebord-stage .bb-stage-solve-underglow[data-slot-id="riddlebord.headrack.left"],
.riddlebord-stage .bb-stage-solve-underglow[data-slot-id="riddlebord.headrack.center"],
.riddlebord-stage .bb-stage-solve-underglow[data-slot-id="riddlebord.headrack.right"],
.riddlebord-stage .bb-stage-solve-underglow[data-slot-id="riddlebord_headrack_root"],
.riddlebord-stage .bb-stage-solve-underglow[data-slot-id^="rb_"] {
  display: none;
}

.riddlebord-headrack-expander .bord_cell--runtime-owner {
  border-color: transparent;
  background: transparent;
  box-shadow: none;
}

.riddlebord-headrack-expander .bord_cell--runtime-owner .bord_cell_runtime_host {
  inset: 0;
}

.riddlebord-switchbord .bord_surface {
  justify-content: flex-start;
  padding:
    calc(var(--bb-shell-mm-scale) * 2.1)
    calc(var(--bb-shell-mm-scale) * 2.1)
    calc(var(--bb-shell-mm-scale) * 1.8);
  gap: calc(var(--bb-shell-mm-scale) * 0.85);
}

.riddlebord-switchbord .bord_title {
  font-size: calc(var(--bb-shell-mm-scale) * 3.4);
}

.riddlebord-switchbord .bord_body,
.riddlebord-switchbord .bord_meta {
  display: block;
}

.riddlebord-switchbord .bord_body {
  font-size: calc(var(--bb-shell-mm-scale) * 1.95);
  line-height: 1.15;
}

.riddlebord-switchbord .bord_meta {
  font-size: calc(var(--bb-shell-mm-scale) * 1.6);
  line-height: 1.1;
  color: var(--surface-muted);
}

.riddlebord-switchbord .bord_cell_control {
  place-items: center start;
  padding-inline: calc(var(--bb-shell-mm-scale) * 0.95);
}

.riddlebord-switchbord .bord_cell_text {
  font-size: calc(var(--bb-shell-mm-scale) * 1.65);
  letter-spacing: 0.05em;
}

.riddlebord-grain-trigger {
  position: absolute;
  right: calc(var(--bb-shell-mm-scale) * 1.2);
  bottom: calc(var(--bb-shell-mm-scale) * 1.2);
  z-index: 8;
  min-width: calc(var(--bb-shell-mm-scale) * 9.2);
  border: calc(var(--bb-shell-mm-scale) * 0.2) solid color-mix(in srgb, var(--surface-line) 84%, transparent);
  border-radius: calc(var(--bb-shell-mm-scale) * 1);
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--surface-panel) 96%, transparent),
      color-mix(in srgb, var(--surface-bg) 88%, transparent)
    );
  color: var(--surface-text);
  font-family: var(--surface-font-body);
  font-size: calc(var(--bb-shell-mm-scale) * 1.45);
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding:
    calc(var(--bb-shell-mm-scale) * 0.55)
    calc(var(--bb-shell-mm-scale) * 0.95);
  cursor: pointer;
}

.riddlebord-grain-trigger:disabled {
  opacity: 0.44;
  cursor: default;
}

.riddlebord-grain-menu {
  position: absolute;
  inset: calc(var(--bb-shell-mm-scale) * 0.9);
  z-index: 9;
  display: none;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: calc(var(--bb-shell-mm-scale) * 0.7);
  align-content: center;
  padding: calc(var(--bb-shell-mm-scale) * 1);
  border-radius: calc(var(--bb-shell-mm-scale) * 1.3);
  background: color-mix(in srgb, var(--surface-bg) 92%, transparent);
  box-shadow:
    inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.16) color-mix(in srgb, var(--surface-line) 72%, transparent),
    0 0 calc(var(--bb-shell-mm-scale) * 2) color-mix(in srgb, var(--surface-shadow) 20%, transparent);
}

.riddlebord-grain-menu.riddlebord-grain-menu--open {
  display: grid;
}

.riddlebord-grain-option {
  border: calc(var(--bb-shell-mm-scale) * 0.18) solid color-mix(in srgb, var(--surface-line) 78%, transparent);
  border-radius: calc(var(--bb-shell-mm-scale) * 0.9);
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--surface-panel) 94%, transparent),
      color-mix(in srgb, var(--surface-bg) 88%, transparent)
    );
  color: var(--surface-text);
  font-family: var(--surface-font-body);
  font-size: calc(var(--bb-shell-mm-scale) * 1.6);
  line-height: 1.1;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding:
    calc(var(--bb-shell-mm-scale) * 0.85)
    calc(var(--bb-shell-mm-scale) * 0.65);
  cursor: pointer;
}

.riddlebord-grain-option--active {
  border-color: var(--surface-accent-cool);
  box-shadow:
    inset 0 0 0 calc(var(--bb-shell-mm-scale) * 0.14) color-mix(in srgb, var(--surface-accent-cool) 35%, transparent),
    0 0 calc(var(--bb-shell-mm-scale) * 1.5) color-mix(in srgb, var(--surface-accent-cool) 20%, transparent);
}

.riddlebord-deck {
  transition-duration: 160ms;
}

.riddlebord-deck .bord_surface {
  justify-content: flex-start;
  padding:
    calc(var(--bb-shell-mm-scale) * 2)
    calc(var(--bb-shell-mm-scale) * 2)
    calc(var(--bb-shell-mm-scale) * 1.6);
  gap: calc(var(--bb-shell-mm-scale) * 0.8);
}

.riddlebord-deck .bord_title {
  font-size: calc(var(--bb-shell-mm-scale) * 2.9);
}

.riddlebord-deck .bord_body {
  display: block;
  font-size: var(--surface-type-meta);
  line-height: 1.1;
}

.riddlebord-stage--mobile .riddlebord-region--perimeter {
  opacity: 0.2;
}

.riddlebord-stage--mobile .riddlebord-region--transforms.riddlebord-region--visible {
  opacity: 0.78;
}

.riddlebord-stage--mobile .riddlebord-handle {
  font-size: calc(var(--bb-shell-mm-scale) * 1.35);
}

@media (max-width: 700px) {
  #stage-wrapper {
    align-items: flex-start;
  }

  .riddlebord-switchbord .bord_title {
    font-size: var(--surface-type-sub);
  }

  .riddlebord-switchbord .bord_cell_text {
    font-size: calc(var(--bb-shell-mm-scale) * 1.5);
  }
}