@font-face {
  font-family: 'Pixelated MS Sans Serif';
  src: local('MS Sans Serif'), local('Tahoma');
}

:root {
  --win-face: #c0c0c0;
  --win-dark: #808080;
  --win-darker: #404040;
  --win-light: #ffffff;
  --win-accent: #000080;
  --bg: #0b0f1a;
}

html, body, #root { height: 100%; }
body {
  margin: 0;
  background: linear-gradient(180deg, #0b0f1a, #1b1130 60%, #28153e);
  color: #111;
  font-family: 'Pixelated MS Sans Serif', Tahoma, sans-serif;
}

.desktop {
  display: grid;
  place-items: center;
  height: 100%;
  padding: 24px;
}

.window {
  width: min(980px, 96vw);
  background: var(--win-face);
  border: 2px solid var(--win-dark);
  box-shadow: 0 0 0 1px var(--win-light) inset,
              0 0 0 2px var(--win-dark) inset,
              0 0 0 3px var(--win-light) inset,
              4px 4px 0 rgba(0,0,0,0.5);
}

.titlebar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(90deg, #000080, #3a3ab0);
  color: white;
  padding: 3px 5px;
  font-weight: bold;
}

.titlebar .buttons {
  display: flex;
  gap: 4px;
}

.px-btn {
  width: 18px; height: 18px;
  background: var(--win-face);
  border: 2px solid var(--win-dark);
  box-shadow: 0 0 0 1px var(--win-light) inset,
              0 0 0 2px var(--win-dark) inset,
              0 0 0 3px var(--win-light) inset;
  display: grid; place-items: center;
  cursor: pointer;
}
.px-btn:active { box-shadow: 0 0 0 1px var(--win-dark) inset, 0 0 0 2px var(--win-light) inset, 0 0 0 3px var(--win-dark) inset; }
.px-btn svg { width: 10px; height: 10px; fill: black; }

.menubar {
  display: flex;
  gap: 8px;
  padding: 4px 6px;
  border-bottom: 1px solid var(--win-dark);
}
.menu-item { padding: 2px 6px; border: 1px solid transparent; }
.menu-item:active, .menu-item.active {
  border-color: var(--win-dark);
  background: var(--win-light);
}

.window-body {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 8px;
  padding: 8px;
}

.panel {
  background: var(--win-face);
  border: 2px solid var(--win-dark);
  box-shadow: 0 0 0 1px var(--win-light) inset,
              0 0 0 2px var(--win-dark) inset,
              0 0 0 3px var(--win-light) inset;
}
.panel .panel-title {
  background: #000080;
  color: white;
  padding: 3px 6px;
  font-weight: bold;
}
.panel .panel-body { padding: 8px; }

.controls { display: grid; gap: 10px; }
.row { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 8px; }
.row label { font-size: 12px; }
.row input[type="range"] { width: 130px; }

.style-toggle { display: flex; gap: 6px; flex-wrap: wrap; }
.style-toggle button {
  padding: 4px 8px;
  font-size: 12px;
  background: var(--win-face);
  border: 2px solid var(--win-dark);
  box-shadow: 0 0 0 1px var(--win-light) inset,
              0 0 0 2px var(--win-dark) inset,
              0 0 0 3px var(--win-light) inset;
}
.style-toggle button.active { background: #d6d6d6; }

.statusbar {
  margin-top: 4px;
  padding: 4px 6px;
  font-size: 12px;
  border-top: 1px solid var(--win-dark);
  display: flex; justify-content: space-between; gap: 8px;
}

.canvas-wrap {
  position: relative;
  height: 580px;
  background: radial-gradient(1200px 800px at 50% 40%, rgba(255,255,255,0.05), rgba(0,0,0,0.6)), #05060b;
}
canvas { display: block; width: 100%; height: 100%; image-rendering: pixelated; }

.hue-wheel {
  width: 160px; height: 160px; margin: 6px auto; position: relative;
}
.hue-thumb {
  position: absolute; width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid white; box-shadow: 0 0 0 1px black;
  transform: translate(-50%, -50%);
}

.playbar { display: flex; gap: 8px; align-items: center; }
.playbar .big-btn {
  width: 32px; height: 32px; display: grid; place-items: center;
  background: var(--win-face);
  border: 2px solid var(--win-dark);
  box-shadow: 0 0 0 1px var(--win-light) inset,
              0 0 0 2px var(--win-dark) inset,
              0 0 0 3px var(--win-light) inset;
}
.playbar .big-btn:active { box-shadow: 0 0 0 1px var(--win-dark) inset, 0 0 0 2px var(--win-light) inset, 0 0 0 3px var(--win-dark) inset; }
.hint { color: #333; font-size: 11px; }

.credits { font-size: 11px; opacity: 0.7; text-align: center; margin-top: 8px; }