/* seg-editor.css
   ==============================================================
   Styles for the new "Seg Editor" tab only. Fully namespaced with
   the `seg-` prefix so nothing here can collide with or override
   existing app.css rules. Loaded as an additional <link>, app.css
   is untouched.
   ============================================================== */

.seg-editor-wrap {
  display: flex;
  gap: 16px;
  width: 100%;
  height: 100%;
  padding: 12px;
  box-sizing: border-box;
  overflow: auto;
}

.seg-editor-sidebar {
  width: 260px;
  flex: 0 0 260px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.seg-editor-canvas-area {
  flex: 1 1 auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  min-width: 0;
}

.seg-panel {
  border: 1px solid rgba(148,163,184,0.25);
  border-radius: 8px;
  padding: 10px;
}

.seg-panel-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 8px;
}

.seg-face-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.seg-face-btn {
  font-size: 11px;
  padding: 6px 4px;
  border-radius: 6px;
  border: 1px solid rgba(148,163,184,0.3);
  background: transparent;
  cursor: pointer;
  color: inherit;
}

.seg-face-btn.seg-active {
  border-color: #f59e0b;
  background: rgba(245,158,11,0.15);
}

.seg-tool-row {
  display: flex;
  gap: 6px;
}

.seg-tool-btn {
  flex: 1;
  font-size: 11px;
  padding: 6px 4px;
  border-radius: 6px;
  border: 1px solid rgba(148,163,184,0.3);
  background: transparent;
  cursor: pointer;
  color: inherit;
}

.seg-tool-btn.seg-active {
  border-color: #22d3ee;
  background: rgba(34,211,238,0.15);
}

.seg-class-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
  max-height: 220px;
  overflow-y: auto;
  padding: 4px;
}

.seg-class-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 6px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 11px;
  transition: padding 0.12s ease, background 0.12s ease;
}

.seg-class-row:hover {
  background: rgba(148,163,184,0.1);
}

.seg-class-row.seg-active {
  background: rgba(245,158,11,0.18);
  outline: 1px solid #f59e0b;
  padding: 7px 10px;
}

.seg-swatch {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  border: 1px solid rgba(0,0,0,0.3);
  flex: 0 0 14px;
}

.seg-slider-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 8px;
}

.seg-slider-row label {
  font-size: 10px;
  opacity: 0.75;
  display: flex;
  justify-content: space-between;
}

.seg-slider-row input[type="range"] {
  width: 100%;
}

.seg-checkbox-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  margin-bottom: 6px;
}

.seg-btn {
  width: 100%;
  padding: 8px;
  border-radius: 6px;
  border: 1px solid rgba(148,163,184,0.3);
  background: transparent;
  cursor: pointer;
  font-size: 12px;
  margin-bottom: 6px;
  color: inherit;
}

.seg-btn.seg-primary {
  border-color: #f59e0b;
  background: rgba(245,158,11,0.15);
  font-weight: 600;
}

.seg-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.seg-canvas-wrap {
  position: relative;
  width: 512px;
  max-width: 100%;
  aspect-ratio: 1 / 1;
  border: 1px solid rgba(148,163,184,0.25);
  border-radius: 6px;
  overflow: hidden;
  background: #0a0c10;
}

#seg-canvas, #seg-cursor-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
}

#seg-cursor-canvas {
  pointer-events: none;
}

.seg-status-bar {
  font-size: 11px;
  opacity: 0.7;
  padding: 6px 2px 0;
  min-height: 16px;
}

.seg-empty-hint {
  opacity: 0.5;
  font-size: 12px;
  padding: 40px 20px;
  text-align: center;
}

.seg-slider-row input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 3px;
  border-radius: 2px;
  background: rgba(148,163,184,0.25);
  outline: none;
  margin: 4px 0;
  cursor: pointer;
}

.seg-slider-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #f59e0b;
  cursor: pointer;
  box-shadow: 0 0 0 3px rgba(245,158,11,0.18);
  transition: box-shadow 0.15s ease;
}

.seg-slider-row input[type="range"]::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 5px rgba(245,158,11,0.22);
}

.seg-slider-row input[type="range"]::-moz-range-track {
  height: 3px;
  border-radius: 2px;
  background: rgba(148,163,184,0.25);
}

.seg-slider-row input[type="range"]::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border: none;
  border-radius: 50%;
  background: #f59e0b;
  cursor: pointer;
  box-shadow: 0 0 0 3px rgba(245,158,11,0.18);
}

/* Firefox track fill up to the thumb */
.seg-slider-row input[type="range"]::-moz-range-progress {
  height: 3px;
  border-radius: 2px;
  background: rgba(245,158,11,0.5);
}