/* CodeMirror "shimmer" theme */
.cm-s-shimmer.CodeMirror {
  background: #fff6dd;
  color: #faa642;
}

.cm-s-shimmer .CodeMirror-gutters {
  background: #fff6dd;
  border-right: 1px solid rgba(250,166,66,0.18);
}

.cm-s-shimmer .CodeMirror-linenumber {
  color: #faa642;
}

.cm-s-shimmer .CodeMirror-cursor {
  border-left: 2px solid #fec40e;
}

.cm-s-shimmer .CodeMirror-selected {
  background: rgba(254,196,14,0.18);
}

.cm-s-shimmer.CodeMirror-focused .CodeMirror-selected {
  background: rgba(254,196,14,0.24);
}

.cm-s-shimmer .CodeMirror-activeline-background {
  background: rgba(255,220,121,0.16);
}

.cm-s-shimmer .CodeMirror-matchingbracket {
  color: #fec40e !important;
  font-weight: bold;
}

.cm-s-shimmer .cm-keyword {
  color: #fcb017;
}

.cm-s-shimmer .cm-operator {
  color: #fcb017;
}

.cm-s-shimmer .cm-def {
  color: #fec40e;
}

.cm-s-shimmer .cm-string,
.cm-s-shimmer .cm-string-2 {
  color: #faa642;
}

.cm-s-shimmer .cm-number {
  color: #fcb017;
}

.cm-s-shimmer .cm-comment {
  color: #ffdc79;
  font-style: italic;
}

.cm-s-shimmer .cm-variable {
  color: #faa642;
}

.cm-s-shimmer .cm-variable-2 {
  color: #faa642;
}

.cm-s-shimmer .cm-property {
  color: #fcb017;
}

.cm-s-shimmer .cm-atom {
  color: #fec40e;
}

.cm-s-shimmer .cm-builtin {
  color: #faa642;
}

.cm-s-shimmer .cm-punctuation {
  color: #faa642;
}

.cm-s-shimmer .cm-tag {
  color: #fcb017;
}

.cm-s-shimmer .cm-attribute {
  color: #fec40e;
}

.cm-s-shimmer .cm-error {
  color: #cc3a2a;
  background: rgba(204,58,42,0.08);
}

/* Simulator layout */
html {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  height: 100vh;
  min-height: unset;
  overflow: hidden;
}

.sim-header {
  position: relative;
  z-index: 20;
  display: flex;
  flex-shrink: 0;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: linear-gradient(180deg, rgba(255,246,221,0.98), rgba(255,246,221,0.94));
  border-bottom: 2px solid rgba(250,166,66,0.4);
  backdrop-filter: blur(4px);
}

.sim-title-block {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.sim-title-block h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  color: var(--accent-olive);
}

.sim-subtitle {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  opacity: 0.7;
}

.sim-header-right {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.home-link {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 12px;
  color: var(--ink-soft);
  font-size: 12px;
  text-decoration: none;
  border: 2px solid rgba(250,166,66,0.32);
  border-radius: var(--pill);
  background: var(--surface-2);
}

.home-link:hover {
  color: var(--accent-yellow);
  border-color: var(--accent-yellow);
  background: var(--surface-3);
}

.sim-header select {
  height: 36px;
  padding: 0 10px;
  font: inherit;
  font-size: 13px;
  color: var(--ink);
  background: var(--surface-2);
  border: 2px solid var(--line);
  border-radius: var(--pill);
}

.sim-main {
  display: grid;
  flex: 1;
  min-height: 0;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
}

.grid-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 14%, rgba(255,220,121,0.24), transparent 26%),
    radial-gradient(circle at 85% 8%, rgba(252,176,23,0.12), transparent 28%),
    linear-gradient(180deg, #fff6dd 0%, #fff6dd 100%);
  border-right: 2px solid rgba(250,166,66,0.16);
}

.grid-stage {
  position: relative;
  width: min(100%, calc(100vh - 220px));
  aspect-ratio: 1 / 1;
}

.grid-stage-layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: 10px;
  box-shadow:
    0 0 0 2px rgba(250,166,66,0.16),
    0 16px 36px rgba(255,220,121,0.24);
  transition: opacity 0.16s ease;
}

.grid-stage-layer-2d {
  z-index: 1;
  background: #080808;
}

.grid-stage-layer-3d {
  z-index: 2;
  opacity: 0;
  pointer-events: none;
  touch-action: none;
  cursor: grab;
  background:
    radial-gradient(circle at 20% 18%, rgba(255,220,121,0.28), transparent 32%),
    radial-gradient(circle at 80% 22%, rgba(255,246,221,0.72), transparent 26%),
    linear-gradient(180deg, #fff6dd 0%, #ffdc79 100%);
}

.grid-stage-layer-3d canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.grid-stage-layer-3d .sim-3d-main-canvas {
  position: absolute;
  inset: 0;
}

.grid-stage-layer-3d .sim-3d-axis-canvas {
  position: absolute;
  left: 16px;
  bottom: 16px;
  width: clamp(76px, 11%, 96px);
  height: clamp(76px, 11%, 96px);
  pointer-events: none;
}

.grid-stage-layer-3d:focus-visible {
  outline: 3px solid rgba(254,196,14,0.42);
  outline-offset: -3px;
}

.grid-stage.is-3d .grid-stage-layer-2d {
  opacity: 0;
  pointer-events: none;
}

.grid-stage.is-3d .grid-stage-layer-3d {
  opacity: 1;
  pointer-events: auto;
}

.grid-stage.is-dragging .grid-stage-layer-3d {
  cursor: grabbing;
}

#grid-canvas {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 10px;
}

.sim-stage-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}

.sim-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  user-select: none;
  cursor: pointer;
  background: var(--surface-2);
  border: 1px solid rgba(250,166,66,0.18);
  border-radius: 999px;
}

.sim-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.sim-toggle-track {
  position: relative;
  width: 42px;
  height: 24px;
  background: rgba(255,220,121,0.34);
  border: 1px solid rgba(250,166,66,0.14);
  border-radius: 999px;
  transition: background 0.16s ease, border-color 0.16s ease;
}

.sim-toggle-track::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: #fff6dd;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(255,220,121,0.22);
  transition: transform 0.16s ease;
}

.sim-toggle input:checked + .sim-toggle-track {
  background: rgba(254,196,14,0.42);
  border-color: rgba(254,196,14,0.66);
}

.sim-toggle input:checked + .sim-toggle-track::after {
  transform: translateX(18px);
}

.sim-toggle input:focus-visible + .sim-toggle-track {
  outline: 3px solid rgba(254,196,14,0.42);
  outline-offset: 2px;
}

.sim-toggle-text {
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.sim-sensor-readout {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 7px 10px;
  color: #fff6dd;
  font-family: "Anonymous Pro", "Courier New", monospace;
  font-size: 12px;
  letter-spacing: 0.02em;
  background: rgba(252,176,23,0.78);
  border: 1px solid rgba(255,220,121,0.34);
  border-radius: 999px;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.sim-3d-hint {
  position: absolute;
  left: 50%;
  bottom: 14px;
  padding: 8px 12px;
  max-width: calc(100% - 28px);
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.3;
  text-align: center;
  background: rgba(255,246,221,0.92);
  border: 1px solid rgba(250,166,66,0.2);
  border-radius: 999px;
  opacity: 0;
  transform: translate(-50%, 10px);
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.sim-3d-hint .sim-axis-x,
.sim-3d-hint .sim-axis-y,
.sim-3d-hint .sim-axis-z {
  font-weight: 700;
}

.sim-3d-hint .sim-axis-x {
  color: #ff7c7c;
}

.sim-3d-hint .sim-axis-y {
  color: #78ffab;
}

.sim-3d-hint .sim-axis-z {
  color: #78beff;
}

.grid-stage.is-3d .sim-sensor-readout {
  opacity: 1;
  transform: translateY(0);
}

.grid-stage.is-3d .sim-3d-hint {
  opacity: 1;
  transform: translate(-50%, 0);
}

.editor-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #fff6dd;
}

.editor-toolbar {
  display: flex;
  flex-shrink: 0;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: #fff6dd;
  border-bottom: 1px solid rgba(250,166,66,0.15);
}

.sim-byte-counter {
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 700;
  color: #faa642;
  white-space: nowrap;
  background: rgba(255,220,121,0.32);
  border: 1px solid rgba(250,166,66,0.24);
  border-radius: var(--pill);
}

.sim-byte-counter--warn {
  color: #7b5200;
  background: rgba(254, 196, 14, 0.26);
  border-color: rgba(254, 196, 14, 0.42);
}

.sim-byte-counter--danger {
  color: #b43d2e;
  background: rgba(204, 58, 42, 0.10);
  border-color: rgba(204, 58, 42, 0.24);
}

.sim-safety {
  min-height: 22px;
  padding: 6px 10px 7px;
  font-size: 12px;
  color: #faa642;
  background: rgba(255,246,221,0.95);
  border-bottom: 1px solid rgba(250,166,66,0.12);
}

.sim-safety--warn {
  color: #7b5200;
  background: rgba(254,196,14,0.18);
}

.sim-safety--error {
  color: #b43d2e;
  background: rgba(204,58,42,0.10);
}

.editor-toolbar select {
  flex: 1;
  min-width: 0;
  height: 36px;
  padding: 0 10px;
  font: inherit;
  font-size: 13px;
  color: var(--ink);
  background: var(--surface-2);
  border: 2px solid var(--line);
  border-radius: var(--pill);
}

.btn-run {
  height: 36px;
  padding: 0 14px;
  font: inherit;
  font-weight: 700;
  color: #0d0d0b;
  white-space: nowrap;
  cursor: pointer;
  background: var(--accent-yellow);
  border: none;
  border-radius: var(--pill);
  transition: opacity 0.12s ease;
}

.btn-run:hover {
  opacity: 0.85;
}

.btn-stop {
  height: 36px;
  padding: 0 14px;
  font: inherit;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
  cursor: pointer;
  background: var(--surface-2);
  border: 2px solid var(--line);
  border-radius: var(--pill);
  transition: background 0.12s ease;
}

.btn-stop:hover {
  background: var(--surface-3);
}

#editor-container {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

#editor-container .CodeMirror {
  height: 100%;
  font-family: "Anonymous Pro", "Courier New", monospace;
  font-size: 13px;
  background: #fff6dd;
}

#editor-container .CodeMirror-scroll {
  height: 100%;
}

.sim-controls {
  display: flex;
  flex-shrink: 0;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: 7px 16px;
  background: #fff6dd;
  border-top: 2px solid rgba(250,166,66,0.22);
}

.sim-controls label {
  display: inline-flex !important;
  align-items: center;
  gap: 6px;
  color: var(--ink-soft);
  font-size: 14px;
}

.sim-controls select {
  height: 28px;
  padding: 0 8px;
  font: inherit;
  font-size: 12px;
  color: var(--ink);
  background: var(--surface-2);
  border: 2px solid var(--line);
  border-radius: 8px;
}

.sim-controls input[type="range"] {
  width: 80px;
  height: 8px;
}

.sim-controls output {
  min-width: 26px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
  text-align: right;
}

.sim-controls .sim-toggle {
  color: var(--ink-soft);
}

#sim-status {
  margin-left: auto;
  padding: 3px 10px;
  font-size: 12px;
  background: var(--surface-2);
  border-radius: var(--pill);
}

.sim-status-running {
  color: #faa642;
}

.sim-status-error {
  color: #b43d2e;
}

.sim-status-idle {
  color: var(--ink-soft);
}

.editor-toolbar select:focus,
.editor-toolbar button:focus,
.sim-header select:focus,
.home-link:focus,
.sim-controls select:focus,
.sim-controls input[type="range"]:focus {
  outline: 3px solid rgba(254,196,14,0.42);
  outline-offset: 1px;
}

@media (max-width: 800px) {
  .sim-main {
    grid-template-columns: 1fr;
    grid-template-rows: 38vh 1fr;
  }

  .grid-panel {
    padding: 10px;
    border-right: none;
    border-bottom: 2px solid rgba(250,166,66,0.15);
  }

  .grid-stage {
    width: min(100%, 38vh);
  }

  .sim-sensor-readout {
    top: 10px;
    right: 10px;
  }

  .sim-toggle-text,
  .sim-sensor-readout,
  .sim-3d-hint {
    font-size: 11px;
  }

  .sim-byte-counter {
    width: 100%;
    text-align: center;
  }
}

html[data-theme="dark"] .cm-s-shimmer.CodeMirror {
  background: #1e1e1e;
  color: #e8e4da;
}

html[data-theme="dark"] .cm-s-shimmer .CodeMirror-gutters {
  background: #181818;
  border-right-color: rgba(255,198,10,0.1);
}

html[data-theme="dark"] .cm-s-shimmer .CodeMirror-linenumber { color: #5a5040; }
html[data-theme="dark"] .cm-s-shimmer .CodeMirror-cursor { border-left-color: #ffc60a; }
html[data-theme="dark"] .cm-s-shimmer .CodeMirror-selected { background: rgba(255,198,10,0.14); }
html[data-theme="dark"] .cm-s-shimmer.CodeMirror-focused .CodeMirror-selected { background: rgba(255,198,10,0.18); }
html[data-theme="dark"] .cm-s-shimmer .CodeMirror-activeline-background { background: rgba(255,255,255,0.03); }
html[data-theme="dark"] .cm-s-shimmer .CodeMirror-matchingbracket { color: #ffc60a !important; }
html[data-theme="dark"] .cm-s-shimmer .cm-keyword,
html[data-theme="dark"] .cm-s-shimmer .cm-operator,
html[data-theme="dark"] .cm-s-shimmer .cm-tag { color: #ffc60a; }
html[data-theme="dark"] .cm-s-shimmer .cm-def,
html[data-theme="dark"] .cm-s-shimmer .cm-attribute { color: #ffe080; }
html[data-theme="dark"] .cm-s-shimmer .cm-string,
html[data-theme="dark"] .cm-s-shimmer .cm-string-2 { color: #98c878; }
html[data-theme="dark"] .cm-s-shimmer .cm-number { color: #f09060; }
html[data-theme="dark"] .cm-s-shimmer .cm-comment { color: #706050; }
html[data-theme="dark"] .cm-s-shimmer .cm-variable { color: #e8e4da; }
html[data-theme="dark"] .cm-s-shimmer .cm-variable-2 { color: #d0c898; }
html[data-theme="dark"] .cm-s-shimmer .cm-property { color: #d4b870; }
html[data-theme="dark"] .cm-s-shimmer .cm-atom { color: #f0a040; }
html[data-theme="dark"] .cm-s-shimmer .cm-builtin { color: #c8a050; }
html[data-theme="dark"] .cm-s-shimmer .cm-punctuation { color: #a09080; }
html[data-theme="dark"] .cm-s-shimmer .cm-error {
  color: #ff5555;
  background: rgba(255,85,85,0.1);
}

html[data-theme="dark"] .sim-header {
  background: linear-gradient(180deg, rgba(35,35,35,0.97), rgba(45,45,45,0.93));
  border-bottom-color: rgba(255,198,10,0.5);
}

html[data-theme="dark"] .home-link {
  background: transparent;
  border-color: rgba(255,198,10,0.4);
}

html[data-theme="dark"] .sim-header select,
html[data-theme="dark"] .editor-toolbar select,
html[data-theme="dark"] .btn-stop,
html[data-theme="dark"] .sim-controls select {
  background: #2a2a2a;
}

html[data-theme="dark"] .grid-panel {
  background: #0c0c0c;
  border-right-color: rgba(255,198,10,0.15);
}

html[data-theme="dark"] .grid-stage-layer {
  box-shadow:
    0 0 0 2px rgba(255,198,10,0.15),
    0 0 60px rgba(0,0,0,0.6);
}

html[data-theme="dark"] .grid-stage-layer-3d {
  background:
    radial-gradient(circle at 20% 18%, rgba(255,198,10,0.18), transparent 32%),
    radial-gradient(circle at 80% 22%, rgba(255,255,255,0.08), transparent 26%),
    linear-gradient(180deg, #191512 0%, #090909 100%);
}

html[data-theme="dark"] .grid-stage-layer-3d:focus-visible,
html[data-theme="dark"] .sim-toggle input:focus-visible + .sim-toggle-track,
html[data-theme="dark"] .editor-toolbar select:focus,
html[data-theme="dark"] .editor-toolbar button:focus,
html[data-theme="dark"] .sim-header select:focus,
html[data-theme="dark"] .home-link:focus,
html[data-theme="dark"] .sim-controls select:focus,
html[data-theme="dark"] .sim-controls input[type="range"]:focus {
  outline-color: rgba(255,198,10,0.45);
}

html[data-theme="dark"] .sim-toggle {
  background: #242424;
  border-color: rgba(255,198,10,0.18);
}

html[data-theme="dark"] .sim-toggle-track {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.08);
}

html[data-theme="dark"] .sim-toggle-track::after {
  background: #f4ead2;
  box-shadow: 0 2px 8px rgba(0,0,0,0.28);
}

html[data-theme="dark"] .sim-toggle input:checked + .sim-toggle-track {
  background: rgba(255,198,10,0.28);
  border-color: rgba(255,198,10,0.5);
}

html[data-theme="dark"] .sim-sensor-readout {
  color: #f3edd8;
  background: rgba(10,10,10,0.72);
  border-color: rgba(255,198,10,0.16);
}

html[data-theme="dark"] .sim-3d-hint {
  background: rgba(10,10,10,0.72);
  border-color: rgba(255,198,10,0.16);
}

html[data-theme="dark"] .editor-panel { background: #111; }
html[data-theme="dark"] .editor-toolbar {
  background: #181818;
  border-bottom-color: rgba(255,198,10,0.15);
}

html[data-theme="dark"] .sim-byte-counter {
  color: #9dd7ff;
  background: rgba(28, 56, 78, 0.75);
  border-color: rgba(120, 190, 255, 0.24);
}

html[data-theme="dark"] .sim-byte-counter--warn {
  color: #ffe08a;
  background: rgba(94, 67, 16, 0.72);
  border-color: rgba(255, 198, 10, 0.30);
}

html[data-theme="dark"] .sim-byte-counter--danger {
  color: #ffb3b3;
  background: rgba(90, 24, 24, 0.82);
  border-color: rgba(255, 107, 107, 0.34);
}

html[data-theme="dark"] .sim-safety {
  color: #98d7ff;
  background: rgba(18, 32, 43, 0.9);
  border-bottom-color: rgba(255, 198, 10, 0.12);
}

html[data-theme="dark"] .sim-safety--warn {
  color: #ffe08a;
  background: rgba(76, 57, 16, 0.9);
}

html[data-theme="dark"] .sim-safety--error {
  color: #ffb3b3;
  background: rgba(82, 22, 22, 0.92);
}

html[data-theme="dark"] .btn-stop:hover { background: #3a3a3a; }
html[data-theme="dark"] #editor-container .CodeMirror { background: #1e1e1e; }

html[data-theme="dark"] .sim-controls {
  background: #1a1a1a;
  border-top-color: rgba(255,198,10,0.25);
}

html[data-theme="dark"] #sim-status { background: #252525; }
html[data-theme="dark"] .sim-status-running { color: #6bff9e; }
html[data-theme="dark"] .sim-status-error { color: #ff6b6b; }

@media (max-width: 800px) {
  html[data-theme="dark"] .grid-panel {
    border-bottom-color: rgba(255,198,10,0.15);
  }
}