:root {
  color-scheme: dark;
  --bg: #0a0a0f;
  --panel: #121218;
  --panel-head: #17171f;
  --line: #262632;
  --ink: #d8d3cb;
  --dim: #8b8578;
  --hot: #fec874;
  --flame: #f69954;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { background: var(--bg); }
body {
  min-height: 100%;
  background:
    radial-gradient(1100px 500px at 50% -10%, rgba(246, 153, 84, 0.09), transparent 70%),
    var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-tap-highlight-color: transparent;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 18px clamp(12px, 3vw, 28px) 6px;
  max-width: 1500px;
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.logo {
  width: 30px; height: 30px; border-radius: 50%; flex: none;
  background: radial-gradient(circle at 50% 45%, #fffdf4 0%, #fee389 22%, #f69954 52%, #a5442a 78%, rgba(90, 30, 15, 0) 100%);
  box-shadow: 0 0 22px rgba(246, 153, 84, 0.45);
}
.topbar h1 { font-size: 16px; font-weight: 650; letter-spacing: 0.01em; }
.topbar p { font-size: 12.5px; color: var(--dim); }
#detonate {
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #1b1206;
  background: linear-gradient(180deg, #fee389, #f0993f);
  border: 0;
  border-radius: 999px;
  padding: 9px 18px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(240, 153, 63, 0.28);
}
#detonate:hover { filter: brightness(1.08); }
#detonate:active { transform: translateY(1px); }

main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding: 8px clamp(12px, 3vw, 28px) 34px;
  max-width: 1500px;
  margin: 0 auto;
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  min-width: 0;
}
.panel.wide { grid-column: 1 / -1; }
.panel-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  padding: 9px 14px;
  background: var(--panel-head);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
}
.panel-head .name { color: var(--hot); }
.panel-head .meta { color: var(--dim); font-size: 11.5px; margin-left: auto; }
.panel-head .meta a, .imgview figcaption a { color: var(--hot); }
.tag {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 6px;
}
.tag.live { color: #1b1206; background: var(--hot); border-color: transparent; }

.stage {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #06050a;
  cursor: crosshair;
}
.stage canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  image-rendering: pixelated;
}
.stage canvas[hidden] { display: none; }
#error {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  padding: 1.5rem;
  text-align: center;
  color: var(--flame);
  font-size: 13.5px;
}
#error[hidden] { display: none; }

.legend {
  height: 26px;
  line-height: 26px;
  overflow: hidden;
  border-top: 1px solid var(--line);
  padding: 0 14px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--dim);
  white-space: nowrap;
  text-overflow: ellipsis;
}

.ref { aspect-ratio: 16 / 10; background: #080808; }
.ref img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ref canvas { width: 100%; height: 100%; display: block; image-rendering: pixelated; }
.swatches { display: flex; border-top: 1px solid var(--line); }
.swatches span {
  flex: 1 1 0;
  height: 26px;
  position: relative;
}
.swatches span::after {
  content: attr(data-name);
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.04em;
  color: rgba(0, 0, 0, 0.55);
  opacity: 0;
  transition: opacity 0.15s;
}
.swatches:hover span::after { opacity: 1; }

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  background: var(--line);
}
.stats + .stats { border-top: 1px solid var(--line); }
.stat { flex: 1 1 108px; background: var(--panel); padding: 7px 10px 8px; min-width: 0; }
.stat b {
  display: block;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--hot);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.stat.env { flex-basis: 150px; }
.stat.env b { color: var(--ink); font-size: 12.5px; line-height: 1.35; }
.stat.span2 { flex-basis: 300px; }
.stat span {
  display: block;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.055em;
  text-transform: uppercase;
  color: var(--dim);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.modes { display: flex; gap: 1px; background: var(--line); border: 1px solid var(--line); flex: 0 0 auto; }
.modes button {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding: 3px 10px 4px;
  border: 0;
  background: var(--panel);
  color: var(--dim);
  cursor: pointer;
}
.modes button:hover:not(:disabled) { color: var(--ink); }
.modes button[aria-pressed="true"] { background: var(--flame); color: #12060a; }
.modes button:disabled { cursor: not-allowed; opacity: 0.45; }

.controls summary { list-style: none; cursor: pointer; user-select: none; }
.controls summary::-webkit-details-marker { display: none; }
.controls summary:hover { background: #1c1c25; }
.chev { color: var(--dim); font-size: 10px; transition: transform 0.15s; display: inline-block; }
.controls[open] .chev { transform: rotate(90deg); }
.control-body { padding: 12px 14px 14px; border-top: 1px solid var(--line); }
.control-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(258px, 1fr));
  gap: 4px 22px;
}
.cgroup h4 {
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--hot);
  margin: 6px 0 6px;
}
.krow {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) 66px;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
  font-family: var(--mono);
  font-size: 11.5px;
}
.krow label { color: var(--dim); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.krow output { text-align: right; color: var(--ink); overflow: hidden; text-overflow: ellipsis; }
.krow input[type="range"] { width: 100%; min-width: 0; accent-color: var(--flame); }
.krow input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--flame); justify-self: start; }
.control-foot {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 12px;
  padding-top: 11px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
}
#reset-params {
  font: inherit;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink);
  background: #1e1e28;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 6px 12px;
  cursor: pointer;
}
#reset-params:hover { background: #262632; }

.explorer { display: grid; grid-template-columns: 232px minmax(0, 1fr); }
.filelist {
  border-right: 1px solid var(--line);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 62vh;
  overflow-y: auto;
}
.filelist button {
  font: inherit;
  font-family: var(--mono);
  font-size: 12px;
  text-align: left;
  color: var(--ink);
  background: none;
  border: 0;
  border-radius: 7px;
  padding: 8px 10px;
  cursor: pointer;
  display: block;
  width: 100%;
}
.filelist button:hover { background: #1b1b24; }
.filelist button[aria-selected="true"] { background: #23202a; color: var(--hot); }
.filelist .sub { display: block; color: var(--dim); font-size: 10.5px; margin-top: 2px; }
.filelist button[aria-selected="true"] .sub { color: #a08e74; }
.filelist .dir {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
  padding: 10px 10px 3px;
}
.filelist .dir:first-child { padding-top: 2px; }

.viewer { min-width: 0; max-height: 62vh; overflow: auto; }
.code {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.55;
  padding: 10px 0 16px;
  tab-size: 2;
}
.code .row { display: flex; min-width: max-content; }
.code .row:hover { background: #17171f; }
.code .num {
  position: sticky;
  left: 0;
  flex: none;
  width: 52px;
  padding-right: 14px;
  text-align: right;
  color: #4c4a56;
  background: var(--panel);
  user-select: none;
}
.code .row:hover .num { background: #17171f; }
.code .src { white-space: pre; padding-right: 24px; }
.code .loading { color: var(--dim); padding: 14px 18px; display: block; }
.k { color: #f6a15e; }
.s { color: #9ecf8a; }
.n { color: #d8b4f8; }
.c { color: #64604f; font-style: italic; }
.t { color: #7fb2d8; }

.md { padding: 18px 22px 26px; max-width: 70ch; }
.md h2 { font-size: 17px; margin: 4px 0 10px; }
.md h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--hot); margin: 22px 0 8px; }
.md p { margin: 0 0 12px; color: #c3bdb3; }
.md ul { margin: 0 0 12px; padding-left: 20px; color: #c3bdb3; }
.md li { margin-bottom: 4px; }
.md a { color: var(--hot); }
.md code {
  font-family: var(--mono);
  font-size: 12px;
  background: #1e1e28;
  border-radius: 4px;
  padding: 1px 5px;
}
.md pre {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.55;
  background: #1a1a22;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  margin: 0 0 12px;
  overflow-x: auto;
  color: #c3bdb3;
}
.md pre code { background: none; padding: 0; }
.imgview { padding: 16px; }
.imgview img {
  width: auto;
  max-width: 100%;
  max-height: 62vh;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
}
.imgview img.pixels { image-rendering: pixelated; }
.imgview figcaption { color: var(--dim); font-size: 12px; margin-top: 10px; }

.sheet { padding: 14px; }
.sheet-grid {
  background: #080808;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sheet-grid img {
  width: auto;
  max-width: 100%;
  display: block;
  image-rendering: pixelated;
}

@media (max-width: 900px) {
  main { grid-template-columns: 1fr; }
  .stat { flex-basis: 104px; }
  .stat.env, .stat.span2 { flex-basis: 132px; }
  .krow { grid-template-columns: 88px minmax(0, 1fr) 58px; }
  .explorer { grid-template-columns: 1fr; }
  .filelist {
    flex-direction: row;
    align-items: center;
    overflow-x: auto;
    max-height: none;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .filelist button { width: auto; white-space: nowrap; }
  .filelist .dir { padding: 0 4px 0 8px; white-space: nowrap; }
  .viewer { max-height: 55vh; }
}