:root {
  --tile: 24px;
  --ink: #0b0d12;
  --panel: #12161f;
  --raised: #181d28;
  --line: #2a3142;
  --honey: #e8a838;
  --mist: #9aa3b8;
  --layer-bg: #5b8def;
  --layer-mid: #e8a838;
  --layer-fg: #5ee4a3;
}

html,
body {
  height: 100%;
}

body {
  font-family: Outfit, ui-sans-serif, system-ui, sans-serif;
  background: var(--ink);
  color: #e8ecf4;
}

.mono {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
}

.app-scroll::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.app-scroll::-webkit-scrollbar-thumb {
  background: #2e3548;
  border-radius: 99px;
}

.app-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.workspace.hand {
  cursor: grab;
}

.workspace.hand.panning {
  cursor: grabbing;
}

.stamp-banner {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--honey);
  background: rgba(18, 22, 31, 0.92);
  color: var(--honey);
  font-size: 12px;
  font-weight: 600;
  pointer-events: none;
  white-space: nowrap;
}

.stamp-banner[hidden] {
  display: none;
}

#board-wrap {
  display: inline-block;
  padding: 48px;
  text-align: left;
}

#board {
  position: relative;
  --grid-w: 32;
  --grid-h: 32;
  width: calc(var(--grid-w) * var(--tile));
  height: calc(var(--grid-h) * var(--tile));
  transform-origin: 0 0;
  background-color: #151a24;
  background-image:
    linear-gradient(45deg, #131820 25%, transparent 25%),
    linear-gradient(-45deg, #131820 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #131820 75%),
    linear-gradient(-45deg, transparent 75%, #131820 75%);
  background-size: calc(var(--tile) * 2) calc(var(--tile) * 2);
  background-position: 0 0, 0 var(--tile), var(--tile) calc(var(--tile) * -1), calc(var(--tile) * -1) 0;
  box-shadow:
    0 0 0 1px #2a3142,
    0 24px 60px rgba(0, 0, 0, 0.45);
  touch-action: none;
  user-select: none;
}

#board.stamping {
  box-shadow:
    0 0 0 2px var(--honey),
    0 24px 60px rgba(0, 0, 0, 0.45);
  cursor: copy;
}

#board.show-grid::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(232, 236, 244, 0.09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(232, 236, 244, 0.09) 1px, transparent 1px);
  background-size: var(--tile) var(--tile);
  z-index: 30;
}

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

.layer[data-hidden="true"] {
  display: none;
}

.placed {
  position: absolute;
  box-sizing: border-box;
  overflow: visible;
}

.placed-visual {
  position: absolute;
  left: 50%;
  top: 50%;
  transform-origin: center center;
  pointer-events: none;
}

.placed.selected {
  box-shadow: 0 0 0 2px var(--honey);
}

.placed img,
.placed svg {
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
}

.placed img {
  object-fit: fill;
}

#selection {
  position: absolute;
  box-sizing: border-box;
  border: 2px solid var(--honey);
  pointer-events: none;
  z-index: 40;
  display: none;
}

#selection.active {
  display: block;
}

.handle {
  position: absolute;
  width: 9px;
  height: 9px;
  background: var(--honey);
  border: 1px solid #0b0d12;
  pointer-events: auto;
  z-index: 41;
}

.handle.nw { top: -5px; left: -5px; cursor: nwse-resize; }
.handle.n { top: -5px; left: 50%; margin-left: -4px; cursor: ns-resize; }
.handle.ne { top: -5px; right: -5px; cursor: nesw-resize; }
.handle.e { top: 50%; right: -5px; margin-top: -4px; cursor: ew-resize; }
.handle.se { bottom: -5px; right: -5px; cursor: nwse-resize; }
.handle.s { bottom: -5px; left: 50%; margin-left: -4px; cursor: ns-resize; }
.handle.sw { bottom: -5px; left: -5px; cursor: nesw-resize; }
.handle.w { top: 50%; left: -5px; margin-top: -4px; cursor: ew-resize; }

#ghost {
  position: absolute;
  box-sizing: border-box;
  border: 2px dashed var(--honey);
  background: rgba(232, 168, 56, 0.16);
  pointer-events: none;
  z-index: 35;
  display: none;
}

#ghost.on {
  display: block;
}

#marquee {
  position: absolute;
  box-sizing: border-box;
  border: 1px dashed var(--honey);
  background: rgba(232, 168, 56, 0.14);
  pointer-events: none;
  z-index: 36;
  display: none;
}

#marquee.on {
  display: block;
}

.sprite-card {
  border: 1px solid var(--line);
  background: var(--raised);
  border-radius: 10px;
  cursor: grab;
  touch-action: none;
  user-select: none;
  -webkit-user-drag: none;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.sprite-card img,
.sprite-card svg {
  pointer-events: none;
  -webkit-user-drag: none;
  user-select: none;
}

.sprite-card:hover {
  border-color: #3d4660;
  transform: translateY(-1px);
}

.sprite-card.active {
  border-color: var(--honey);
  box-shadow: 0 0 0 1px var(--honey);
}

.sprite-card:active {
  cursor: grabbing;
}

.layer-row.active {
  border-color: color-mix(in srgb, var(--accent, var(--honey)) 70%, #2a3142);
  background: color-mix(in srgb, var(--accent, var(--honey)) 12%, #181d28);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  color: var(--mist);
  border: 1px solid transparent;
}

.icon-btn:hover {
  background: #222838;
  color: #e8ecf4;
}

.icon-btn.on {
  color: var(--honey);
  background: rgba(232, 168, 56, 0.12);
}

#inspector button.on {
  color: var(--honey);
  border-color: var(--honey);
  background: rgba(232, 168, 56, 0.12);
}

.icon-btn:disabled {
  opacity: 0.35;
  pointer-events: none;
}

.history-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 10px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--raised);
  color: #e8ecf4;
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
}

.history-btn:hover:not(:disabled) {
  border-color: var(--mist);
  color: #fff;
}

.history-btn:disabled {
  opacity: 0.35;
  pointer-events: none;
}

@media (max-width: 639px) {
  .history-btn span {
    display: none;
  }

  .history-btn {
    width: 30px;
    padding: 0;
    justify-content: center;
  }
}

#toast {
  position: fixed;
  bottom: 56px;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  background: #1c2230;
  border: 1px solid var(--line);
  color: #e8ecf4;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  z-index: 80;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.drop-target.dragover {
  border-color: var(--honey) !important;
  background: rgba(232, 168, 56, 0.08);
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}