/* CSS gradient generator */
.gg-preview { height: 220px; border-radius: var(--r-lg); border: 1px solid var(--line); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2); }
@media (max-width: 560px) { .gg-preview { height: 170px; } }
.gg-bar { position: relative; height: 34px; margin: 4px 12px 18px; border-radius: 10px; cursor: copy; border: 1px solid var(--line); }
.gg-handles { position: absolute; inset: 0; }
.gg-handle {
  --c: #fff; position: absolute; top: 50%; width: 24px; height: 40px; margin: -20px 0 0 -12px; padding: 0; border-radius: 8px; cursor: grab; touch-action: none;
  background: var(--c); border: 3px solid #fff; box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.3), 0 3px 8px rgba(0, 0, 0, 0.3);
}
.gg-handle.is-sel { box-shadow: 0 0 0 2px var(--accent), 0 3px 10px rgba(0, 0, 0, 0.35); z-index: 2; }
.gg-handle:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.gg-handle:active { cursor: grabbing; }
.gg-stops { display: grid; gap: 8px; }
.gg-stop { display: grid; grid-template-columns: 52px minmax(90px, 1fr) 110px 150px auto; gap: 8px; align-items: center; padding: 8px; border-radius: var(--r); background: var(--glass-soft); border: 1px solid var(--line); }
.gg-stop.is-sel { border-color: var(--accent); }
.gg-num { display: flex; align-items: center; gap: 6px; font-size: 0.82rem; color: var(--muted); font-weight: 600; }
.gg-num input { min-width: 0; }
@media (max-width: 640px) {
  .gg-stop { grid-template-columns: 52px minmax(0, 1fr) minmax(0, 1fr) auto; }
  .gg-stop .gg-hex { grid-column: 2 / 4; }
  .gg-stop .gg-remove { grid-column: 4; grid-row: 1; }
  .gg-stop .gg-num { grid-row: 2; }
  .gg-stop .gg-num:first-of-type { grid-column: 1 / 3; }
  .gg-stop .gg-num:last-of-type { grid-column: 3 / 5; }
  .gg-num input { flex: 1; }
}
.gg-presets { display: grid; grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); gap: 10px; }
.gg-preset { display: grid; gap: 6px; padding: 6px 6px 8px; border-radius: var(--r); border: 1px solid var(--line); background: var(--glass-soft); color: var(--ink-2); font: inherit; font-size: 0.8rem; font-weight: 700; cursor: pointer; }
.gg-preset span { display: block; height: 44px; border-radius: 10px; }
.gg-preset:hover, .gg-preset:focus-visible { border-color: var(--accent); outline: none; }
.tool-ui input.is-bad { border-color: var(--err); }