*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: #0d1117;
  color: #c9d1d9;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1rem;
  gap: 1.5rem;
}

#no-js-banner, #browser-unsupported {
  background: #3d1c1c;
  border: 1px solid #8b1a1a;
  color: #f97583;
  padding: 0.8rem 1.4rem;
  border-radius: 8px;
  max-width: 600px;
  text-align: center;
}

header { text-align: center; position: relative; width: 100%; max-width: 800px; }
header h1 { font-size: 2.4rem; color: #39d353; text-shadow: 0 0 12px #39d35366; }
.logo-icon { vertical-align: middle; margin-left: 0.2rem; border-radius: 8px; }
.subtitle { color: #8b949e; margin-top: 0.3rem; }

#instructions-btn {
  position: absolute;
  top: 0;
  right: 0.5rem;
  width: 2.2rem;
  height: 2.2rem;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1.1rem;
  font-weight: 700;
}

/* Instructions dialog */
#instructions-dialog {
  margin: auto;
  background: #161b22;
  color: #c9d1d9;
  border: 1px solid #30363d;
  border-radius: 12px;
  padding: 1.5rem;
  max-width: min(480px, 90vw);
}
#instructions-dialog::backdrop { background: rgba(0, 0, 0, 0.6); }
#instructions-dialog h2 { color: #39d353; margin-bottom: 0.8rem; }
#instructions-dialog ol { margin: 0 0 1rem 1.2rem; display: flex; flex-direction: column; gap: 0.4rem; }
#instructions-dialog button { margin-top: 0.5rem; }

/* Model loading */
#model-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  color: #39d353;
  text-align: center;
}
#model-progress-bar {
  width: min(320px, 80vw);
  accent-color: #39d353;
  height: 10px;
}

/* Upload */
.upload-label { cursor: pointer; }
.upload-box {
  border: 2px dashed #39d353;
  border-radius: 12px;
  padding: 3rem 4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  background: #161b22;
  transition: background 0.2s, border-color 0.2s;
  font-size: 1rem;
  color: #8b949e;
}
.upload-box:hover, .upload-box.drag-over {
  background: #1c2730;
  border-color: #56e368;
}
.upload-icon { font-size: 3rem; }

/* Spinner */
#spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: #39d353;
}
.spin-ring {
  width: 48px; height: 48px;
  border: 4px solid #1c2730;
  border-top-color: #39d353;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Error */
.error {
  background: #3d1c1c;
  border: 1px solid #8b1a1a;
  color: #f97583;
  padding: 0.8rem 1.4rem;
  border-radius: 8px;
  max-width: 600px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

/* Editor */
#editor-section { display: flex; flex-direction: column; align-items: center; gap: 1rem; width: 100%; }
.hint { color: #8b949e; font-size: 0.9rem; text-align: center; max-width: 600px; }

#canvas-wrapper {
  position: relative;
  border: 1px solid #30363d;
  border-radius: 8px;
  overflow: hidden;
  max-width: min(800px, 100vw - 2rem);
}
#preview-canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Draggable markers: 44px invisible hit area, 22px visible dot */
.marker {
  position: absolute;
  width: 44px; height: 44px;
  transform: translate(-50%, -50%);
  cursor: grab;
  touch-action: none;
  user-select: none;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}
.marker:active { cursor: grabbing; }
.marker-dot {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: #ff3ea5;
  border: 2px solid #fff;
  /* Black ring + white border together stay visible against the recolored
     (always green) cat, the dark page background, and light photo content
     alike, rather than just a shadow that a similar-brightness background
     can wash out. */
  box-shadow: 0 0 0 2px #000, 0 1px 6px #000c;
  pointer-events: none;
}
.marker-label {
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  white-space: nowrap;
  color: #fff;
  text-shadow: 0 1px 3px #000;
  pointer-events: none;
}

/* Controls */
.controls {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  justify-content: center;
}
button {
  background: #21262d;
  color: #c9d1d9;
  border: 1px solid #30363d;
  border-radius: 6px;
  padding: 0.5rem 1.2rem;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
button:hover { background: #30363d; border-color: #8b949e; }
#glorp-btn { background: #1a4731; border-color: #39d353; color: #39d353; font-weight: 600; }
#glorp-btn:hover { background: #1f5c3a; }

/* Result */
#result-section { display: flex; flex-direction: column; align-items: center; gap: 1rem; }
#result-img {
  max-width: min(800px, 100vw - 2rem);
  border-radius: 8px;
  border: 1px solid #30363d;
}
#download-link button { background: #1a4731; border-color: #39d353; color: #39d353; font-weight: 600; }
#download-link button:hover { background: #1f5c3a; }

/* Eye scale control */
.eye-scale-control {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #8b949e;
  font-size: 0.9rem;
}
.eye-scale-control input[type="range"] { accent-color: #39d353; }

/* Fix Green brush */
#fix-green-btn.active { background: #1a4731; border-color: #39d353; color: #39d353; }

#brush-panel {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 0.8rem 1.2rem;
  color: #8b949e;
  font-size: 0.9rem;
}
#brush-panel label { display: flex; align-items: center; gap: 0.4rem; }
#brush-panel input[type="range"] { accent-color: #39d353; }

#canvas-wrapper.brush-mode #preview-canvas { cursor: crosshair; touch-action: none; }
#canvas-wrapper.brush-mode .marker { pointer-events: none; opacity: 0.35; }

/* Footer */
#page-footer {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: #8b949e;
  font-size: 0.85rem;
  text-align: center;
  max-width: 600px;
}
.privacy-note a { color: #39d353; }
#donate-container { min-height: 40px; } /* reserves space so a blocked widget script doesn't shift layout */
#donate-container .bmc-btn-container { transform: scale(0.7); transform-origin: center; } /* the widget's default button renders larger than fits this footer */

/* Mobile */
@media (max-width: 480px) {
  body { padding: 1rem 0.6rem; gap: 1rem; }
  header h1 { font-size: 1.8rem; }
  .upload-box { padding: 2rem 1.2rem; }
  .controls { gap: 0.5rem; }
  button { padding: 0.5rem 0.9rem; font-size: 0.9rem; }
}