/* Shared styles for the 9 fractal / generative-art tools (UM-115).
   Linked per-page via {% block head %}; relies on Montage tokens (tokens.css). */

.ft-layout {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: var(--space-5);
  align-items: start;
}
@media (max-width: 860px) {
  .ft-layout { grid-template-columns: 1fr; }
}

.ft-controls { display: flex; flex-direction: column; gap: var(--space-4); }

.ft-canvas-wrap {
  position: relative;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg, 14px);
  overflow: hidden;
  background:
    linear-gradient(45deg, rgba(0,0,0,.04) 25%, transparent 25%, transparent 75%, rgba(0,0,0,.04) 75%) 0 0/20px 20px,
    linear-gradient(45deg, rgba(0,0,0,.04) 25%, transparent 25%, transparent 75%, rgba(0,0,0,.04) 75%) 10px 10px/20px 20px,
    var(--surface, #0d1117);
}
.dark-mode .ft-canvas-wrap { background: #0d1117; }

.ft-canvas-wrap canvas {
  display: block;
  width: 100%;
  height: auto;
  touch-action: none; /* let us handle pan/zoom gestures */
}
.ft-canvas-wrap.is-crosshair canvas { cursor: crosshair; }
.ft-canvas-wrap.is-grab canvas { cursor: grab; }
.ft-canvas-wrap.is-grab canvas:active { cursor: grabbing; }

.ft-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

/* Range control with live value readout */
.ft-range { display: flex; flex-direction: column; gap: 6px; }
.ft-range__head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.ft-range__val { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--text); }
.ft-range input[type="range"] { width: 100%; accent-color: var(--accent, #6366f1); }

.ft-swatches { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.ft-swatch {
  width: 32px; height: 32px; border-radius: 8px; cursor: pointer;
  border: 2px solid transparent; padding: 0;
}
.ft-swatch.is-active { border-color: var(--text); box-shadow: 0 0 0 2px var(--surface); }

.ft-note { font-size: 0.85rem; color: var(--text-muted, #6b7280); margin-top: var(--space-2); }
.ft-status { font-variant-numeric: tabular-nums; font-size: 0.85rem; color: var(--text-muted, #6b7280); }

.ft-check { display: flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; }
.ft-check input { width: 16px; height: 16px; accent-color: var(--accent, #6366f1); }

/* Cross-tool navigation */
.um-related { margin-top: var(--space-8); }
.um-related__title { font-size: 1.15rem; margin-bottom: var(--space-4); }
.um-related__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: var(--space-3);
}
.um-related__item {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text);
  transition: border-color .15s, transform .15s;
}
.um-related__item:hover { border-color: var(--accent, #6366f1); transform: translateY(-1px); }
.um-related__icon { font-size: 1.3rem; line-height: 1; }