:root {
  --ink: #1a1400;
  --bg-top: #eaf7e6;
  --bg-bottom: #ffffff;
  --chrome: #c9e8a8;
  --border: #2f5d1f;
  --accent: #d4af37;
  --error: #b3261e;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  color: var(--ink);
  background: linear-gradient(var(--bg-top), var(--bg-bottom) 60%);
  background-attachment: fixed;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 15px;
}

.hidden { display: none !important; }

#topbar {
  background: var(--chrome);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

main {
  max-width: 60em;
  margin: 20px auto;
  padding: 0 16px;
}

.box {
  background: white;
  border: 1px solid var(--border);
  padding: 16px;
  margin-bottom: 16px;
}

.loader-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.loader-row label { font-weight: 700; }
.loader-row input {
  border: 1px solid var(--border);
  padding: 8px;
  width: 8em;
  font-size: 1em;
}

button {
  border: 1px solid var(--ink);
  background: var(--chrome);
  color: var(--border);
  font-weight: 700;
  padding: 8px 14px;
  cursor: pointer;
}
button:hover { opacity: 0.8; }
button:active { transform: translateY(1px); }

.error {
  margin-top: 10px;
  color: white;
  background: var(--error);
  border: 1px solid var(--ink);
  padding: 8px;
}

#maker-box {
  display: grid;
  grid-template-columns: repeat(13, minmax(0, 1fr));
  gap: 16px;
}

#previewCol { grid-column: span 7; }
#attributesCol { grid-column: span 6; }

#previewContent {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #000;
  border: 1px solid var(--border);
  overflow: hidden;
}

#renderCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
}

#loadingOverlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.5);
  color: white;
  font-weight: 700;
  letter-spacing: 0.05em;
}

#downloadRow { margin-top: 10px; text-align: center; }
#downloadRow button { width: 100%; }

/* read-only trait rows: label + value only, no controls */
.trait-row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #d8e8cf;
  padding: 8px 4px;
}
.trait-row:last-child { border-bottom: none; }

.trait-label { font-weight: 700; font-size: 0.9em; }
.trait-name { font-size: 0.9em; opacity: 0.85; }

.control-row {
  align-items: center;
  background: #f2f9ee;
}
.btn-group {
  display: flex;
  gap: 4px;
}
.opt-btn {
  border: 1px solid var(--border);
  background: white;
  color: var(--border);
  font-weight: 700;
  font-size: 0.8em;
  padding: 5px 10px;
  cursor: pointer;
}
.opt-btn.active { background: var(--accent); }

@media (max-width: 770px) {
  #maker-box { display: flex; flex-direction: column; }
}