@font-face { font-family: "Pilowlava"; src: url("assets/Pilowlava-Regular.woff2") format("woff2"); font-display: swap; }
:root {
  --red: #f8280c; --blue: #251ef2; --ink: #080204; --paper: #ffffff;
  --panel: #141414; --panel-2: #1e1e1e; --line: #2e2e2e; --text: #ededed; --muted: #8f8f8f;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; background: #0b0b0b; color: var(--text);
  font: 13px/1.45 ui-monospace, SFMono-Regular, Menlo, monospace; -webkit-font-smoothing: antialiased; }
#app { display: grid; grid-template-columns: 1fr 320px; height: 100%; }

#stage { display: flex; flex-direction: column; min-width: 0; background:
  repeating-conic-gradient(#131313 0% 25%, #171717 0% 50%) 50% / 24px 24px; }
#stage-inner { flex: 1; display: grid; place-items: center; padding: 26px; min-height: 0; }
#canvas-wrap { position: relative; box-shadow: 0 18px 60px rgba(0,0,0,.6); line-height: 0; }
#canvas-wrap canvas { display: block; }
#view { border-radius: 2px; }
#overlay, #overlay-inv { position: absolute; inset: 0; pointer-events: none; }
/* drawn in white and differenced against the art below: every line inverts whatever it crosses */
#overlay-inv { mix-blend-mode: difference; }
#stage-bar { display: flex; align-items: center; gap: 12px; padding: 8px 14px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 11px; background: #101010; }
#stage-bar .sep { flex: 1; }
#dims { color: var(--text); }

#panel { background: var(--panel); border-left: 1px solid var(--line); overflow-y: auto; padding: 0 0 16px; }
#panel header { padding: 18px 16px 14px; border-bottom: 1px solid var(--line); }
#panel h1 { font-family: "Pilowlava", ui-monospace, monospace; font-size: 25px; margin: 0; letter-spacing: .04em;
  color: var(--paper); font-weight: 400; }
#panel header p { margin: 4px 0 0; color: var(--muted); font-size: 11px; }

details { border-bottom: 1px solid var(--line); padding: 10px 16px 14px; }
summary { cursor: pointer; color: var(--paper); font-size: 11px; text-transform: uppercase;
  letter-spacing: .12em; padding: 4px 0 10px; list-style: none; user-select: none; }
summary::-webkit-details-marker { display: none; }
summary::before { content: "▸ "; color: var(--muted); }
details[open] summary::before { content: "▾ "; }

label { display: block; margin: 0 0 10px; color: var(--muted); font-size: 11px; }
label.check { display: flex; align-items: center; gap: 8px; cursor: pointer; }
label.check input { margin: 0; accent-color: var(--blue); }
output { float: right; color: var(--text); font-variant-numeric: tabular-nums; }
input[type=range] { width: 100%; margin: 5px 0 0; accent-color: var(--blue); }
input[type=text], input[type=number], select { width: 100%; margin-top: 5px; background: var(--panel-2);
  color: var(--text); border: 1px solid var(--line); border-radius: 5px; padding: 6px 8px;
  font: inherit; font-size: 12px; }
input[type=text]:focus, input[type=number]:focus, select:focus { outline: none; border-color: var(--blue); }
.row { display: flex; gap: 8px; margin-bottom: 10px; }
.row > * { flex: 1; margin-bottom: 0; }
.row3 { display: flex; gap: 6px; margin-bottom: 10px; }
.row3 > label { flex: 1; margin-bottom: 0; font-size: 10px; }
.muted { color: var(--muted); font-size: 11px; }

button { background: var(--panel-2); color: var(--text); border: 1px solid var(--line); border-radius: 5px;
  padding: 7px 10px; font: inherit; font-size: 11px; cursor: pointer; }
button:hover { border-color: #4a4a4a; background: #262626; }
button:active { transform: translateY(1px); }
button.primary { background: var(--blue); border-color: var(--blue); color: #fff; font-size: 12px; padding: 10px; width: 100%; }
button.primary:hover { background: #4b45ff; }

.swatches { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.sw { width: 34px; height: 34px; border-radius: 6px; border: 2px solid transparent; cursor: pointer; padding: 0; }
.sw[data-active="1"] { border-color: #fff; }

#export-bar { padding: 14px 16px 6px; }
#export-note { margin-top: 6px; text-align: center; }
#panel footer { padding: 10px 16px 0; }
#panel footer p { color: #5c5c5c; font-size: 10px; line-height: 1.5; margin: 0; }

#loading { position: fixed; inset: 0; display: grid; place-items: center; background: #0b0b0b;
  color: var(--muted); font-size: 12px; z-index: 10; transition: opacity .3s; }
#loading.done { opacity: 0; pointer-events: none; }

[hidden] { display: none !important; }

button.mode { flex: 1; }
button.mode.on { background: var(--blue); border-color: var(--blue); color: #fff; }
#rt-status { margin-top: 2px; font-variant-numeric: tabular-nums; }

.sub-head { display: flex; align-items: center; justify-content: space-between; margin: 2px 0 4px; }
.sub-head span { font-size: 11px; color: var(--muted); }
button.mini { padding: 3px 9px; font-size: 10px; border-radius: 4px; }

.progress { height: 3px; background: var(--line); border-radius: 2px; overflow: hidden; margin: 6px 0 6px; }
#anim-bar { height: 100%; width: 0%; background: var(--blue); transition: width .05s linear; }
button.primary.playing { background: var(--red); border-color: var(--red); }