:root {
  color-scheme: light dark;
  --bg: #f1ead6;
  --panel: rgba(255, 248, 232, 0.92);
  --card: rgba(255, 255, 255, 0.58);
  --panel-border: rgba(94, 73, 37, 0.25);
  --ink: #2d2212;
  --muted: #6e5a37;
  --accent: #0d6c7d;
  --accent-strong: #114f59;
  --overlay-editor: #18849a;
  --overlay-egg: #c67129;
  --overlay-roof: #627894;
  --overlay-helper-fill: rgba(77, 169, 196, 0.16);
  --overlay-helper-stroke: rgba(108, 201, 228, 0.72);
  --viewport: #0e1218;
  --tile-border: rgba(255, 255, 255, 0.04);
  --shadow: 0 18px 45px rgba(59, 40, 8, 0.16);
  --font-ui: "Segoe UI Variable Text", "Aptos", "Trebuchet MS", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161d;
    --panel: rgba(22, 28, 38, 0.92);
    --card: rgba(28, 35, 46, 0.96);
    --panel-border: rgba(166, 187, 211, 0.16);
    --ink: #edf2fa;
    --muted: #aab8cc;
    --accent: #46a7bc;
    --accent-strong: #2a7b8d;
    --viewport: #06080d;
    --tile-border: rgba(255, 255, 255, 0.03);
    --shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-ui);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.14), transparent 32%),
    linear-gradient(135deg, var(--bg) 0%, color-mix(in srgb, var(--bg) 75%, #6e8aa3 25%) 100%);
}

.shell {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  min-height: 100vh;
}

.panel {
  padding: 24px;
  background: var(--panel);
  backdrop-filter: blur(16px);
  border-right: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
}

.panel h1 {
  margin: 0;
  font-size: 1.6rem;
  line-height: 1.1;
}

.lede,
.muted {
  color: var(--muted);
}

.stack {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

label {
  font-weight: 700;
  font-size: 0.95rem;
}

select,
.action-link {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(65, 48, 21, 0.18);
  padding: 12px 14px;
  font: inherit;
}

.action-link {
  cursor: pointer;
  color: white;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-strong) 100%);
  text-decoration: none;
  text-align: center;
}

select:disabled,
.action-link.is-disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.button-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.toggle-grid,
.status,
.meta-panel {
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--card);
  border: 1px solid rgba(65, 48, 21, 0.08);
  overflow-wrap: anywhere;
}

.toggle-grid {
  display: grid;
  gap: 10px;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.92rem;
}

.toggle input {
  width: 18px;
  height: 18px;
  margin: 0;
}

.action-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.status {
  min-height: 92px;
}

.status-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-text {
  min-height: 24px;
}

.spinner {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
  flex: 0 0 auto;
}

.progress-wrap {
  margin-top: 12px;
}

.progress-track {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.08);
}

.progress-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-strong) 100%);
  transition: width 180ms ease;
}

.meta-panel {
  min-height: 240px;
}

.meta-empty {
  margin: 0;
  color: var(--muted);
}

.meta-section + .meta-section {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid color-mix(in srgb, var(--panel-border) 70%, transparent 30%);
}

.meta-title {
  margin: 0 0 8px;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.meta-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 12px;
  font-size: 0.92rem;
}

.meta-grid dt {
  color: var(--muted);
}

.meta-grid dd {
  margin: 0;
  text-align: right;
  font-weight: 600;
}

.workspace {
  min-width: 0;
  padding: 18px;
}

.viewport {
  position: relative;
  width: 100%;
  height: calc(100vh - 36px);
  overflow: hidden;
  border-radius: 24px;
  background: radial-gradient(circle at top left, rgba(255,255,255,0.04), transparent 26%), var(--viewport);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05), var(--shadow);
  touch-action: none;
  cursor: grab;
  user-select: none;
}

.scene {
  position: absolute;
  left: 0;
  top: 0;
  transform-origin: top left;
  will-change: transform;
}

.layer {
  position: absolute;
  inset: 0 auto auto 0;
}

.tile {
  position: absolute;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  pointer-events: none;
}

.overlay-root {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.overlay-item {
  position: absolute;
  pointer-events: auto;
  border: 0;
  padding: 0;
  color: inherit;
  font: inherit;
  background: none;
  cursor: pointer;
  transition: transform 140ms ease, filter 140ms ease;
}

.overlay-item:hover,
.overlay-item:focus-visible {
  transform: scale(1.05);
  filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.34));
}

.overlay-item--helper {
  outline: 1px solid var(--overlay-helper-stroke);
  outline-offset: 1px;
  background: var(--overlay-helper-fill);
}

.overlay-sprite {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  user-select: none;
  pointer-events: none;
}

.overlay-tooltip {
  position: absolute;
  z-index: 6;
  max-width: 290px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(8, 12, 18, 0.9);
  color: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(124, 182, 214, 0.28);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.34);
  pointer-events: none;
  backdrop-filter: blur(14px);
}

.tooltip-eyebrow {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(138, 202, 221, 0.88);
}

.tooltip-title {
  margin-top: 4px;
  font-size: 0.98rem;
  font-weight: 700;
}

.tooltip-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 10px;
  margin: 10px 0 0;
  font-size: 0.84rem;
}

.tooltip-grid dt {
  color: rgba(176, 197, 212, 0.76);
}

.tooltip-grid dd {
  margin: 0;
  text-align: right;
}

.tooltip-notes {
  margin: 10px 0 0;
  padding-left: 18px;
  color: rgba(214, 227, 237, 0.82);
  font-size: 0.8rem;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.viewport.is-dragging {
  cursor: grabbing;
}

.viewport-hint {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(6, 8, 12, 0.66);
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.86rem;
  backdrop-filter: blur(10px);
}

.empty-state {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  color: rgba(255,255,255,0.72);
  text-align: center;
}

.empty-state.is-hidden {
  display: none;
}

@media (max-width: 900px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .panel {
    border-right: 0;
    border-bottom: 1px solid var(--panel-border);
  }

  .viewport {
    height: 70vh;
  }
}