* {
  box-sizing: border-box;
}

:root {
  color-scheme: dark;
  --bg: #101113;
  --panel: #1b1d22;
  --panel2: #242730;
  --border: #353946;
  --text: #f2f4f8;
  --muted: #a7afc0;
  --accent: #6aa3ff;
  --danger: #ff6363;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

button,
input {
  font: inherit;
}

button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel2);
  color: var(--text);
  cursor: pointer;
  user-select: none;
}

button:hover,
.button:hover {
  border-color: var(--accent);
}

button.primary,
.button.primary {
  background: #24436f;
  border-color: #3769aa;
}

button.danger {
  color: #fff;
  background: #5d2525;
  border-color: #7d3535;
}

button.selected {
  background: #2b4f84;
  border-color: var(--accent);
}

button:disabled {
  opacity: .45;
  cursor: not-allowed;
}

input[type="number"],
input[type="text"] {
  width: 100%;
  min-height: 32px;
  margin-top: 4px;
  padding: 5px 7px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: #111319;
  color: var(--text);
}

input[type="range"] {
  width: 100%;
}

#app {
  display: grid;
  grid-template-columns: 310px 1fr 285px;
  width: 100vw;
  height: 100vh;
}

.sidebar {
  overflow: auto;
  padding: 14px;
  border-color: var(--border);
  background: #15171c;
}

.sidebar.left {
  border-right: 1px solid var(--border);
}

.sidebar.right {
  border-left: 1px solid var(--border);
}

header h1 {
  margin: 0 0 6px;
  font-size: 19px;
}

header p,
.help,
#dropHint {
  color: var(--muted);
  margin: 0;
}

.panel {
  margin-top: 14px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
}

.panel h2 {
  margin: 0 0 10px;
  font-size: 14px;
  letter-spacing: .02em;
  text-transform: uppercase;
  color: #d8deea;
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0;
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
}

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}

label {
  display: block;
  margin: 8px 0;
  color: #dce3ef;
}

label.checkbox {
  display: flex;
  gap: 8px;
  align-items: center;
}

.stageWrap {
  position: relative;
  min-width: 0;
  min-height: 0;
  background:
    radial-gradient(circle at top left, rgba(255,255,255,.06), transparent 28%),
    #0b0d10;
}

.topbar {
  position: absolute;
  z-index: 5;
  top: 10px;
  left: 10px;
  right: 10px;
  display: flex;
  gap: 16px;
  align-items: center;
  min-height: 34px;
  padding: 7px 10px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px;
  background: rgba(17, 19, 24, .78);
  backdrop-filter: blur(8px);
  color: #eaf0fb;
  pointer-events: none;
}

#stage {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
}

.layers {
  list-style: none;
  padding: 0;
  margin: 0;
}

.layerItem {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 8px;
  margin-bottom: 7px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: #151820;
}

.layerItem.active {
  border-color: var(--accent);
  background: #1c2940;
}

.layerName {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layerMeta {
  color: var(--muted);
  font-size: 12px;
}

.layerThumb {
  width: 32px;
  height: 32px;
  object-fit: contain;
  background:
    linear-gradient(45deg, #333 25%, transparent 25%),
    linear-gradient(-45deg, #333 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #333 75%),
    linear-gradient(-45deg, transparent 75%, #333 75%);
  background-size: 10px 10px;
  background-position: 0 0, 0 5px, 5px -5px, -5px 0;
  border-radius: 5px;
}

.eye {
  width: 32px;
  min-height: 28px;
  padding: 0;
}

#contextMenu {
  position: absolute;
  z-index: 20;
  min-width: 190px;
  padding: 6px;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #151820;
  box-shadow: 0 16px 40px rgba(0,0,0,.35);
}

#contextMenu[hidden] {
  display: none;
}

#contextMenu button {
  justify-content: flex-start;
  width: 100%;
  margin: 3px 0;
}

#selectionInfo {
  color: var(--muted);
}