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

body {
  background: #eef1e8;
  color: #111111;
  font-family: Arial, Helvetica, sans-serif;
  --shadow-xs: 5px;
  --shadow-sm: 6px;
  --shadow-md: 8px;
  --shadow-lg: 12px;
}

a {
  color: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.shell {
  box-sizing: border-box;
  margin: 0 auto;
  max-width: 820px;
  min-height: 100vh;
  padding: 40px 20px 64px;
}

.shell h1,
.shell h2,
.shell p,
.shell pre,
.shell ul {
  margin-top: 0;
}

.shell h1 {
  display: inline-block;
  margin-bottom: calc(10px + var(--shadow-md));
  margin-right: var(--shadow-md);
  padding: 12px 16px;
  border: 4px solid #000000;
  border-radius: 6px;
  background: #ffd84d;
  box-shadow: var(--shadow-md) var(--shadow-md) 0 #000000;
  font-size: clamp(2.4rem, 6vw, 4.1rem);
  font-weight: 900;
  line-height: 0.95;
}

.shell h2 {
  display: inline-block;
  margin-bottom: calc(14px + var(--shadow-xs));
  margin-right: var(--shadow-xs);
  padding: 7px 12px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: #ff7b72;
  box-shadow: var(--shadow-xs) var(--shadow-xs) 0 #000000;
  font-size: 1rem;
  font-weight: 800;
}

.game-list,
.stack {
  margin-top: 24px;
}

.page-nav {
  margin-bottom: 18px;
}

.game-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.back-link {
  display: inline-block;
  padding: 10px 14px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: #8dc7ff;
  box-shadow: var(--shadow-sm) var(--shadow-sm) 0 #000000;
  margin-right: var(--shadow-sm);
  margin-bottom: var(--shadow-sm);
  font-weight: 800;
  text-decoration: none;
}

.game-link {
  display: block;
  min-width: 180px;
  padding: 20px 18px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: #ffffff;
  box-shadow: var(--shadow-md) var(--shadow-md) 0 #000000;
  margin-right: var(--shadow-md);
  margin-bottom: var(--shadow-md);
  text-decoration: none;
}

.game-link--flyover {
  grid-column: 1;
}

.game-link__title {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
}

.level-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 0;
  list-style: none;
}

.level-list a,
.stack p a {
  display: inline-block;
  padding: 12px 14px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: #7ee0a1;
  box-shadow: var(--shadow-sm) var(--shadow-sm) 0 #000000;
  margin-right: var(--shadow-sm);
  margin-bottom: var(--shadow-sm);
  font-weight: 800;
  text-decoration: none;
}

pre {
  overflow-x: auto;
  padding: 18px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: #ffffff;
  box-shadow: var(--shadow-md) var(--shadow-md) 0 #ff7b72;
  margin-right: var(--shadow-md);
  margin-bottom: var(--shadow-md);
  line-height: 1.45;
}

.play-body {
  background: #eef1e8;
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: none;
}

.play-shell {
  min-height: 100dvh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  padding: 24px calc(20px + var(--shadow-lg)) calc(24px + var(--shadow-lg)) 20px;
  box-sizing: border-box;
  overflow: hidden;
}

.play-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  flex: 0 0 auto;
  width: 100%;
  max-width: calc(100vw - 40px - var(--shadow-lg));
}

.play-header h1,
.play-header p {
  margin: 0;
}

.play-header h1 {
  display: inline-block;
  padding: 10px 16px;
  border: 4px solid #000000;
  border-radius: 6px;
  background: #ffd84d;
  box-shadow: var(--shadow-md) var(--shadow-md) 0 #000000;
  font-size: clamp(1.95rem, 5.4vw, 3.35rem);
  font-weight: 900;
  line-height: 0.95;
}

.play-header-meta {
  width: auto;
  max-width: min(100%, calc(100vw - 24px));
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: 4px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0 0 var(--shadow-xs);
  scrollbar-width: thin;
}

.play-header p {
  display: block;
  padding: 5px 7px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: #ffffff;
  box-shadow: var(--shadow-xs) var(--shadow-xs) 0 #000000;
  font-size: 0.76rem;
  font-weight: 800;
  white-space: nowrap;
}

.play-header-meta p {
  background: #ff7b72;
}

.play-header-meta .back-link {
  margin-right: 0;
  margin-bottom: 0;
  padding: 6px 8px;
  font-size: 0.78rem;
  white-space: nowrap;
}

.play-stage {
  width: 100%;
  max-width: 100%;
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.maze-frame {
  display: flex;
  aspect-ratio: 1 / 1;
  padding: 16px;
  border: 4px solid #000000;
  border-radius: 6px;
  background: #ffd84d;
  box-sizing: border-box;
  box-shadow: var(--shadow-lg) var(--shadow-lg) 0 #000000;
  margin-right: var(--shadow-lg);
  margin-bottom: var(--shadow-lg);
}

.maze-canvas {
  display: block;
  width: 100%;
  height: 100%;
  flex: 1 1 auto;
  border: 4px solid #000000;
  box-sizing: border-box;
  background: #d6bd94;
  image-rendering: auto;
}

.play-header-meta button {
  touch-action: auto;
}

.camera-mode-toggle,
.progress-reset-button {
  min-height: 30px;
  padding: 5px 7px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: #ffffff;
  box-shadow: var(--shadow-xs) var(--shadow-xs) 0 #000000;
  color: inherit;
  font: inherit;
  font-size: 0.76rem;
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
}

.camera-mode-toggle[aria-pressed="true"] {
  background: #9bd0ff;
}

.progress-reset-button {
  background: #dcfff1;
}

.progress-reset-button[data-has-progress="false"] {
  background: #ffffff;
}

.tool-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 14px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: #ffffff;
  box-shadow: var(--shadow-sm) var(--shadow-sm) 0 #000000;
  margin-right: var(--shadow-sm);
  margin-bottom: var(--shadow-sm);
  color: inherit;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  line-height: 1;
  text-align: center;
}

.tool-button--primary {
  background: #7ee0a1;
}

.tool-button--danger {
  background: #ffb3ad;
}

.tool-button__icon {
  display: inline-flex;
  width: 1.2em;
  align-items: center;
  justify-content: center;
  font-weight: 900;
}

.tool-button:disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

.tool-button:active,
.tool-button.is-active {
  transform: translate(2px, 2px);
  box-shadow: calc(var(--shadow-sm) - 2px) calc(var(--shadow-sm) - 2px) 0 #000000;
}

.flyover-shell {
  width: 100vw;
  height: 100dvh;
  min-height: 100dvh;
  padding: 0;
  gap: 0;
  background: #050608;
}

.flyover-header {
  gap: 7px;
}

.flyover-header h1 {
  font-size: clamp(1.65rem, 4vw, 2.7rem);
}

.flyover-header-meta .tool-button {
  min-height: 30px;
  padding: 6px 8px;
  margin: 0;
  font-size: 0.78rem;
  white-space: nowrap;
}

.flyover-stage {
  position: relative;
  width: 100vw;
  height: 100dvh;
  max-width: none;
  align-items: stretch;
  justify-content: stretch;
}

.flyover-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.08), rgba(0, 0, 0, 0.12) 68%, rgba(0, 0, 0, 0.32)),
    repeating-linear-gradient(
      0deg,
      rgba(255, 255, 255, 0.035) 0,
      rgba(255, 255, 255, 0.035) 1px,
      rgba(0, 0, 0, 0.035) 2px,
      rgba(0, 0, 0, 0.035) 4px
    );
  mix-blend-mode: soft-light;
  opacity: 0.55;
}

.flyover-hud {
  position: absolute;
  top: 12px;
  right: calc(12px + var(--shadow-lg));
  z-index: 2;
  pointer-events: none;
}

.flyover-minimap {
  --flyover-columns: 26;
  --flyover-rows: 26;
  display: grid;
  grid-template-columns: repeat(var(--flyover-columns), 1fr);
  grid-template-rows: repeat(var(--flyover-rows), 1fr);
  gap: 1px;
  width: clamp(138px, 16vw, 230px);
  aspect-ratio: 1 / 1;
  padding: 5px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: #111111;
  box-shadow: var(--shadow-xs) var(--shadow-xs) 0 #000000;
  box-sizing: border-box;
  pointer-events: auto;
}

.flyover-stats {
  max-width: clamp(138px, 16vw, 230px);
  padding: 6px 7px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-xs) var(--shadow-xs) 0 #000000;
  box-sizing: border-box;
  color: #111111;
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1.25;
  pointer-events: none;
}

.flyover-selection-panel {
  position: absolute;
  left: 18px;
  bottom: calc(18px + var(--shadow-md));
  z-index: 3;
  width: min(300px, calc(100vw - 36px - var(--shadow-md)));
  padding: 14px;
  border: 4px solid #000000;
  border-radius: 6px;
  background: #fff8df;
  box-shadow: var(--shadow-md) var(--shadow-md) 0 #000000;
  box-sizing: border-box;
  pointer-events: auto;
}

.flyover-selection-panel__title {
  margin: 0 0 12px;
  color: #111111;
  font-size: clamp(1.2rem, 5vw, 1.85rem);
  font-weight: 950;
  line-height: 1;
}

.flyover-selection-panel__actions {
  display: flex;
  gap: 8px;
}

.flyover-selection-panel__button {
  min-height: 38px;
  padding: 8px 12px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: #ffffff;
  box-shadow: var(--shadow-xs) var(--shadow-xs) 0 #000000;
  color: #111111;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 950;
  line-height: 1;
  cursor: pointer;
}

.flyover-selection-panel__button--play {
  background: #7ee0a1;
}

.flyover-minimap__cell {
  min-width: 0;
  min-height: 0;
  border-radius: 1px;
  background: #41454d;
  opacity: 0.72;
}

.flyover-minimap__cell[data-visible="true"] {
  background: #8dc7ff;
  opacity: 0.92;
}

.flyover-minimap__cell[data-active="true"] {
  background: #ffd84d;
  outline: 2px solid #ffffff;
  opacity: 1;
}

.flyover-frame {
  width: 100vw !important;
  height: 100dvh !important;
  aspect-ratio: auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  margin: 0;
  background: #111111;
  cursor: pointer;
}

.flyover-frame .maze-canvas {
  width: 100%;
  height: 100%;
  border: 0;
  background: #050608;
}

.flyover-direct-canvas {
  display: block;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  font-size: 0.9rem;
  font-weight: 800;
}

.field--compact {
  flex: 0 0 84px;
}

.field span {
  line-height: 1;
}

.field input,
.field select,
.raw-output {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: #ffffff;
  box-shadow: var(--shadow-xs) var(--shadow-xs) 0 #000000;
  color: inherit;
  font: inherit;
}

.field input,
.field select {
  min-height: 46px;
}

.author-body {
  background:
    linear-gradient(180deg, rgba(255, 216, 77, 0.14), rgba(255, 255, 255, 0) 280px),
    #eef1e8;
}

.author-shell {
  max-width: 1560px;
  padding-top: 24px;
}

.author-header {
  margin-bottom: 16px;
}

.author-topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding: 16px;
  border: 4px solid #000000;
  border-radius: 6px;
  background: #ffd84d;
  box-shadow: var(--shadow-lg) var(--shadow-lg) 0 #000000;
  margin-right: var(--shadow-lg);
  margin-bottom: var(--shadow-lg);
  box-sizing: border-box;
}

.author-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 0;
}

.author-nav .back-link {
  margin: 0;
}

.author-header h1 {
  flex: 0 0 auto;
  margin: 0;
  margin-right: 0;
  margin-bottom: 0;
  padding: 10px 13px;
  box-shadow: var(--shadow-sm) var(--shadow-sm) 0 #000000;
  font-size: 1.45rem;
  line-height: 1;
}

.author-undo-button,
.author-save-button {
  flex: 0 0 auto;
  margin: 0;
}

.author-subtitle {
  display: inline-block;
  max-width: 760px;
  padding: 10px 14px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: #ffffff;
  box-shadow: var(--shadow-xs) var(--shadow-xs) 0 #000000;
  margin-right: var(--shadow-xs);
  margin-bottom: var(--shadow-xs);
  font-weight: 700;
  line-height: 1.4;
}

.author-subtitle code {
  font-size: 0.95em;
}

.author-command-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 270px), 1fr));
  gap: 16px;
  align-items: stretch;
  margin-bottom: 22px;
}

.author-control-group {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: #ffffff;
  box-shadow: var(--shadow-sm) var(--shadow-sm) 0 #000000;
  box-sizing: border-box;
}

.author-control-group h2,
.author-panel h2 {
  display: block;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  font-size: 0.82rem;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

.author-control-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-end;
  min-width: 0;
}

.author-command-bar .tool-button,
.author-command-bar .author-meta {
  margin: 0;
}

.author-control-group--actions .tool-button {
  flex: 1 1 112px;
}

.author-control-group--world {
  align-items: center;
}

.author-control-group--world .author-control-row {
  justify-content: center;
  width: 100%;
}

.author-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  align-items: flex-end;
  margin-bottom: 10px;
}

.author-toolbar__group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
}

.author-neighbors {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 44px));
  grid-template-areas:
    ". up ."
    "left . right"
    ". down .";
  gap: 8px;
  align-items: center;
}

.author-neighbors__button {
  width: 44px;
  min-height: 40px;
  margin-right: 0;
  margin-bottom: 0;
  padding: 8px;
  font-size: 1.1rem;
}

.author-neighbors__button--up {
  grid-area: up;
}

.author-neighbors__button--left {
  grid-area: left;
}

.author-neighbors__button--right {
  grid-area: right;
}

.author-neighbors__button--down {
  grid-area: down;
}

.author-meta {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  min-height: 46px;
  padding: 10px 14px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: #ffd84d;
  box-shadow: var(--shadow-xs) var(--shadow-xs) 0 #000000;
  margin-right: var(--shadow-xs);
  margin-bottom: var(--shadow-xs);
  min-width: 0;
}

.author-meta__label {
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.author-meta__value {
  font-weight: 800;
  overflow-wrap: anywhere;
}

.author-status {
  display: flex;
  align-items: center;
  flex: 1 1 360px;
  max-width: 100%;
  min-height: 52px;
  margin: 0;
  padding: 12px 14px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: #8dc7ff;
  box-shadow: var(--shadow-sm) var(--shadow-sm) 0 #000000;
  font-weight: 800;
  line-height: 1.4;
  overflow-wrap: anywhere;
  box-sizing: border-box;
}

.author-topbar .author-status {
  flex: 1 1 240px;
  min-height: 46px;
  padding: 9px 12px;
  box-shadow: var(--shadow-xs) var(--shadow-xs) 0 #000000;
}

.author-status.is-success {
  background: #7ee0a1;
}

.author-status.is-warning {
  background: #ffd84d;
}

.author-status.is-error {
  background: #ff7b72;
}

.solver-progress {
  display: flex;
  flex: 1 1 320px;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 9px 12px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: #ffffff;
  box-shadow: var(--shadow-xs) var(--shadow-xs) 0 #000000;
  box-sizing: border-box;
}

.solver-progress[hidden] {
  display: none;
}

.solver-progress__track {
  position: relative;
  flex: 1 1 140px;
  height: 16px;
  overflow: hidden;
  border: 3px solid #000000;
  border-radius: 4px;
  background: #f5f0df;
}

.solver-progress__bar {
  width: 0%;
  height: 100%;
  background: #37c871;
  transition: width 120ms linear;
}

.solver-progress__text {
  flex: 0 0 auto;
  min-width: 150px;
  font-size: 0.78rem;
  font-weight: 900;
  line-height: 1.2;
  text-align: right;
}

.author-layout {
  display: grid;
  grid-template-columns: minmax(300px, 380px) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.author-sidebar,
.author-workspace {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.author-stage {
  display: flex;
  width: 100%;
  min-width: 0;
  justify-content: center;
}

.author-sidebar {
  position: sticky;
  top: 18px;
  height: var(--author-level-tray-height, calc(100dvh - 36px));
  max-height: var(--author-level-tray-height, calc(100dvh - 36px));
  padding: 16px calc(var(--shadow-md) + 16px) calc(var(--shadow-md) + 16px) 16px;
  border: 4px solid #000000;
  border-radius: 6px;
  background: #ffd84d;
  box-shadow: var(--shadow-lg) var(--shadow-lg) 0 #000000;
  margin-right: var(--shadow-lg);
  margin-bottom: var(--shadow-lg);
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  gap: 10px;
  box-sizing: border-box;
}

.author-panel {
  padding: 14px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: #ffffff;
  box-shadow: var(--shadow-md) var(--shadow-md) 0 #000000;
  margin-right: var(--shadow-md);
  margin-bottom: var(--shadow-md);
}

.author-disclosure {
  padding: 0;
  overflow: visible;
}

.author-disclosure__summary {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 900;
  line-height: 1;
  list-style: none;
  text-transform: uppercase;
}

.author-disclosure__summary::-webkit-details-marker {
  display: none;
}

.author-disclosure__summary::before {
  content: "+";
  display: inline-flex;
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border: 2px solid #000000;
  border-radius: 4px;
  background: #8dc7ff;
  font-size: 1rem;
  font-weight: 900;
  line-height: 1;
}

.author-disclosure[open] .author-disclosure__summary {
  border-bottom: 3px solid #000000;
  background: #ffd84d;
}

.author-disclosure[open] .author-disclosure__summary::before {
  content: "-";
  background: #ffffff;
}

.author-disclosure__summary span:first-of-type {
  flex: 1 1 auto;
}

.author-disclosure__body {
  display: grid;
  gap: 12px;
  padding: 14px;
  transition: height 190ms ease, opacity 150ms ease;
  will-change: height, opacity;
}

.author-disclosure.is-animating .author-disclosure__body {
  overflow: hidden;
}

.author-sidebar .author-control-row {
  gap: 10px;
}

.author-sidebar .author-control-row .tool-button,
.author-sidebar .author-control-row .field {
  flex: 1 1 120px;
  margin: 0;
}

.author-disclosure--world .author-disclosure__body {
  justify-items: center;
}

.author-panel h2,
.author-panel p {
  margin-top: 0;
}

.author-panel h2 {
  margin-bottom: 12px;
}

.author-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.author-panel__header h2 {
  margin-bottom: 0;
}

.author-panel__badge {
  min-width: 0;
  max-width: 86px;
  overflow: hidden;
  padding: 5px 8px;
  border: 2px solid #000000;
  border-radius: 4px;
  background: #ffd84d;
  font-size: 0.76rem;
  font-weight: 900;
  line-height: 1.1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.author-panel__copy {
  margin-bottom: 12px;
  font-weight: 700;
  line-height: 1.4;
}

.palette {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(82px, 1fr));
  gap: 8px;
}

.palette__button {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 58px;
  padding: 8px;
  margin: 0;
  text-align: left;
  justify-content: stretch;
}

.palette__button.is-active {
  background: #ffd84d;
}

.palette__swatch {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 2px solid #000000;
  border-radius: 4px;
  background: #ffffff;
  overflow: hidden;
  flex: 0 0 auto;
  font-size: 0.85rem;
  font-weight: 900;
}

.palette__swatch img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.palette__token {
  min-width: 0;
  font-size: 0.95rem;
  font-weight: 900;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.palette__swatch-placeholder {
  width: 100%;
  height: 100%;
  background:
    linear-gradient(135deg, transparent 0 44%, rgba(0, 0, 0, 0.18) 44% 56%, transparent 56%),
    #eef1e8;
}

.palette__swatch-glyph {
  font-size: 1.4rem;
  font-weight: 900;
  line-height: 1;
}

.author-level-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.author-panel--levels .author-level-pills {
  max-height: 220px;
  overflow: auto;
  padding-right: 2px;
}

.author-level-pill {
  display: inline-block;
  padding: 8px 10px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: #eef1e8;
  box-shadow: var(--shadow-xs) var(--shadow-xs) 0 #000000;
  margin-right: var(--shadow-xs);
  margin-bottom: var(--shadow-xs);
  color: inherit;
  font-weight: 800;
  text-decoration: none;
}

.author-level-pill.is-active {
  background: #ff7b72;
}

.author-level-pill.is-disabled {
  opacity: 0.45;
  pointer-events: none;
}

.author-grid-shell {
  display: flex;
  width: 100%;
  justify-content: center;
  overflow: hidden;
  max-width: 100%;
  box-sizing: border-box;
  padding: 16px;
  border: 4px solid #000000;
  border-radius: 6px;
  background: #ffd84d;
  box-shadow: var(--shadow-lg) var(--shadow-lg) 0 #000000;
  margin-right: var(--shadow-lg);
  margin-bottom: var(--shadow-lg);
}

.author-grid {
  position: relative;
  display: block;
  background: #d6bd94;
  outline: 4px solid #000000;
  isolation: isolate;
}

.author-grid__canvas {
  display: block;
  width: 100%;
  height: 100%;
  background: #d6bd94;
  image-rendering: auto;
}

.author-grid__hit-grid {
  position: absolute;
  inset: 0;
  display: grid;
  z-index: 2;
}

.author-grid__cell {
  width: var(--editor-cell-size, 64px);
  height: var(--editor-cell-size, 64px);
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-sizing: border-box;
  font: inherit;
  font-size: 0;
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
  touch-action: none;
  user-select: none;
}

.author-grid__cell.is-selected {
  box-shadow: none;
}

.world-map-shell {
  max-width: 1560px;
  padding-top: 24px;
}

.world-map-layout {
  display: grid;
  grid-template-columns: minmax(300px, 380px) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.world-map-sidebar,
.world-map-workspace {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.world-map-sidebar {
  height: var(--world-map-tray-height, calc(100dvh - 36px));
  max-height: var(--world-map-tray-height, calc(100dvh - 36px));
}

.world-map-topbar .world-map-slot-link {
  margin: 0;
}

.world-map-slot-link.is-active {
  background: #7ee0a1;
}

.world-map-slot-link.is-disabled {
  opacity: 0.48;
  pointer-events: none;
}

.world-map-grid-shell {
  align-items: center;
  overflow: hidden;
}

.world-map-canvas {
  --world-map-cell-size: 56px;
}

.world-map-grid {
  display: grid;
  grid-auto-rows: var(--world-map-cell-size, 56px);
  gap: 2px;
  padding: 2px;
  background: #000000;
  justify-content: start;
}

.world-map-grid__cell {
  position: relative;
  width: var(--world-map-cell-size);
  height: var(--world-map-cell-size);
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: #f3f2ea;
  box-sizing: border-box;
  box-shadow: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
  overflow: hidden;
}

.world-map-grid__cell.is-filled {
  background: #d8e8ff;
}

.world-map-grid__cell.is-selected {
  z-index: 1;
}

.world-map-grid__selection-frame {
  display: block;
  position: absolute;
  inset: 0;
  border: 4px solid #ff3b30;
  box-sizing: border-box;
  pointer-events: none;
  z-index: 6;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.9);
}

.world-map-grid__empty,
.world-map-grid__placeholder {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
}

.world-map-grid__preview-shell {
  position: relative;
  isolation: isolate;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 0;
  overflow: hidden;
  background: #ffffff;
}

.world-map-grid__preview {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  image-rendering: pixelated;
  position: relative;
  z-index: 0;
}

.world-map-grid__empty {
  display: flex;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 900;
}

.world-map-grid__placeholder {
  display: flex;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  padding: 6px 4px;
  box-sizing: border-box;
  font-size: 0.56rem;
  font-weight: 700;
  line-height: 1.15;
  text-align: center;
}

.world-map-list {
  display: grid;
  gap: 10px;
}

.world-map-list__item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  width: 100%;
  margin: 0;
  text-align: left;
}

.world-map-list__preview-shell {
  position: relative;
  isolation: isolate;
  width: 64px;
  height: 64px;
  border: 2px solid #000000;
  border-radius: 4px;
  overflow: hidden;
  background: #ffffff;
}

.world-map-list__preview {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  image-rendering: pixelated;
}

.world-map-list__item.is-active .world-map-list__preview-shell::after {
  content: "";
  display: block;
  position: absolute;
  inset: 0;
  border: 3px solid #ff3b30;
  box-sizing: border-box;
  pointer-events: none;
  z-index: 3;
}

.world-map-list__item.is-active .world-map-list__preview-shell {
  outline: 3px solid #ff3b30;
  outline-offset: -3px;
}

.world-map-list__preview-placeholder {
  display: flex;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  padding: 4px;
  box-sizing: border-box;
  font-size: 0.62rem;
  font-weight: 700;
  line-height: 1.15;
  text-align: center;
}

.world-map-list__body {
  min-width: 0;
}

.world-map-list__title,
.world-map-list__meta {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
}

.world-map-list__title {
  font-size: 0.92rem;
}

.world-map-list__meta {
  margin-top: 4px;
  font-size: 0.78rem;
}

.world-map-empty-copy {
  margin: 0;
  font-weight: 700;
  line-height: 1.4;
}

.raw-output {
  min-height: 180px;
  resize: vertical;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  line-height: 1.4;
}

@media (max-width: 1100px) {
  .author-layout {
    grid-template-columns: 1fr;
  }

  .author-sidebar {
    position: sticky;
    top: 10px;
    z-index: 5;
    height: var(--author-level-tray-height, min(46dvh, 520px));
    max-height: var(--author-level-tray-height, min(46dvh, 520px));
    overflow-x: hidden;
    overflow-y: auto;
    padding: 16px calc(var(--shadow-md) + 16px) calc(var(--shadow-md) + 16px) 16px;
  }

  .author-grid-shell {
    max-height: 70dvh;
  }

  .world-map-layout {
    grid-template-columns: 1fr;
  }

  .world-map-sidebar {
    height: var(--world-map-tray-height, min(46dvh, 520px));
    max-height: var(--world-map-tray-height, min(46dvh, 520px));
  }
}

@media (max-width: 640px) {
  .author-shell {
    padding-top: 18px;
  }

  .author-header h1 {
    font-size: 1.3rem;
  }

  .author-command-bar {
    grid-template-columns: 1fr;
  }

  .author-neighbors {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "up down"
      "left right";
    width: 100%;
  }

  .author-neighbors__button {
    width: auto;
  }

  .author-toolbar__group {
    width: 100%;
  }

  .author-control-row .tool-button {
    flex: 1 1 120px;
  }

  .field--compact {
    flex: 1 1 92px;
  }

  .author-status {
    min-height: 0;
  }

  .solver-progress {
    width: 100%;
    flex-basis: 100%;
  }

  .solver-progress__text {
    min-width: 132px;
  }

  .author-grid-shell {
    padding: 10px;
    max-height: 68dvh;
    margin-right: var(--shadow-md);
    margin-bottom: var(--shadow-md);
  }

  .world-map-grid__cell {
    padding: 0;
  }

  .world-map-list__item {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 10px;
  }

  .world-map-list__preview-shell {
    width: 52px;
    height: 52px;
  }
}

.effect-icon {
  position: relative;
  display: block;
  width: 16px;
  height: 16px;
  border: 2px solid #000000;
  border-radius: 4px;
  box-sizing: border-box;
  overflow: hidden;
}

.effect-toggle {
  width: auto;
  min-width: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 5px;
  padding: 5px 6px;
  border: 3px solid #000000;
  border-radius: 6px;
  background: #eef1e8;
  box-sizing: border-box;
  cursor: pointer;
}

.effect-toggle:focus-visible {
  outline: 3px solid #8dc7ff;
  outline-offset: 2px;
}

.effect-toggle-track {
  position: relative;
  flex: 0 0 auto;
  width: 32px;
  height: 18px;
  border: 2px solid #000000;
  border-radius: 999px;
  background: #8e9488;
  box-sizing: border-box;
}

.effect-toggle-thumb {
  position: absolute;
  top: 1px;
  left: 1px;
  width: 12px;
  height: 12px;
  border: 2px solid #000000;
  border-radius: 999px;
  background: #ffffff;
  box-sizing: border-box;
}

.effect-toggle.is-active .effect-toggle-track {
  background: #7ee0a1;
}

.effect-toggle.is-active .effect-toggle-thumb {
  left: 15px;
}

.effect-icon--fuzzy {
  background:
    radial-gradient(circle at 20% 25%, #111111 0 1.2px, transparent 1.2px) 0 0 / 8px 8px,
    radial-gradient(circle at 70% 60%, #111111 0 1.2px, transparent 1.2px) 0 0 / 10px 10px,
    #ffffff;
}

.effect-icon--edges {
  background:
    linear-gradient(#ffffff, #ffffff) 50% 50% / 10px 10px no-repeat,
    #111111;
}

@media (max-width: 640px) {
  .play-header-meta {
    justify-content: flex-start;
  }

  .play-shell {
    padding: 18px calc(16px + var(--shadow-md)) calc(18px + var(--shadow-md)) 16px;
    gap: 10px;
  }

  .play-stage {
    width: 100%;
  }

  .maze-frame {
    padding: 10px;
    margin-right: var(--shadow-md);
    margin-bottom: var(--shadow-md);
  }
}