/* ==========================================================================
   CSS Gradient & Box Shadow Generator — tool page only
   (/tools/css-gradient-shadow-generator/). Uses the design tokens from
   main.css, so both themes work automatically.
   ========================================================================== */

.cg [hidden] { display: none !important; }

.cg-panel { display: flex; flex-direction: column; gap: 1.25rem; min-width: 0; }
.cg-group { display: flex; flex-direction: column; gap: 0.6rem; min-width: 0; }
.cg-group .action-label { margin: 0; }
.cg-group-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem; }
.cg-hint { margin: 0; line-height: 1.5; }
.cg-empty { margin: 0; padding: 0.9rem; border: 1px dashed var(--border-2); border-radius: 12px; color: var(--muted); font-size: 0.88rem; text-align: center; }
.cg .check .field-hint { font-size: 0.78rem; }
.cg-check-wrap { flex-wrap: wrap; row-gap: 0.15rem; }
.cg-check-wrap .field-hint { flex-basis: 100%; padding-left: calc(18px + 0.6rem); }
.cg .chip-btn { display: inline-flex; align-items: center; gap: 0.35rem; }
.cg .chip-btn .icon { width: 15px; height: 15px; }

/* Compact inputs */
.cg .input.cg-sm { min-height: 38px; padding: 0.4rem 0.55rem; border-radius: 10px; font-size: 0.88rem; }
.cg-hex { font-family: var(--font-mono); text-transform: lowercase; }
.cg-num-wrap { display: inline-flex; align-items: center; gap: 0.3rem; color: var(--muted); font-size: 0.78rem; }
.cg-num-wrap .input { width: 4.6rem; }
.cg-range { flex: 1; min-width: 0; accent-color: var(--violet); }
.cg-slider { display: flex; align-items: center; gap: 0.6rem; min-width: 0; }

.cg-color {
  flex: none;
  width: 38px; height: 38px;
  padding: 3px;
  border: 1px solid var(--border-2);
  border-radius: 10px;
  background: var(--field-bg);
  cursor: pointer;
}
.cg-color::-webkit-color-swatch-wrapper { padding: 0; }
.cg-color::-webkit-color-swatch { border: 0; border-radius: 7px; }
.cg-color::-moz-color-swatch { border: 0; border-radius: 7px; }
.cg-color:focus-visible { outline: 2px solid var(--lilac); outline-offset: 2px; }
.cg-colorrow { display: flex; align-items: center; gap: 0.5rem; min-width: 0; }
.cg-colorrow .input { flex: 1; min-width: 0; }

/* Checkerboard for transparent colours */
.cg-checker {
  background-color: #ffffff;
  background-image:
    linear-gradient(45deg, #d9dbe4 25%, transparent 25%, transparent 75%, #d9dbe4 75%),
    linear-gradient(45deg, #d9dbe4 25%, transparent 25%, transparent 75%, #d9dbe4 75%);
  background-size: 16px 16px;
  background-position: 0 0, 8px 8px;
}

/* Presets */
.cg-presets { display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: 0.5rem; }
.cg-preset {
  display: flex; flex-direction: column; gap: 0.35rem;
  padding: 0.35rem;
  border: 1px solid var(--border-2);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text-2);
  font: 500 0.74rem/1.2 var(--font-body);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s, color 0.2s;
}
.cg-preset:hover { color: var(--text); border-color: rgba(139, 92, 246, 0.55); background: var(--surface-2); }
.cg-preset:focus-visible { outline: 2px solid var(--lilac); outline-offset: 2px; }
.cg-preset-swatch { display: block; height: 34px; border-radius: 8px; box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08); }
.cg-preset-name { padding: 0 0.15rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Gradient bar with stop handles */
.cg-bar {
  position: relative;
  height: 40px;
  margin: 0 11px;
  border-radius: 10px;
  cursor: copy;
  touch-action: none;
  box-shadow: 0 0 0 1px var(--border-2);
}
.cg-bar-fill { position: absolute; inset: 0; border-radius: inherit; }
.cg-handles { position: absolute; inset: 0; }
.cg-handle {
  position: absolute;
  top: 50%;
  width: 22px; height: 48px;
  margin: 0;
  padding: 0;
  border: 3px solid #ffffff;
  border-radius: 8px;
  background: var(--c, #000);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35), 0 4px 10px rgba(0, 0, 0, 0.3);
  transform: translate(-50%, -50%);
  cursor: grab;
  touch-action: none;
}
.cg-handle.is-sel { border-color: var(--violet); box-shadow: 0 0 0 2px #ffffff, 0 4px 14px rgba(139, 92, 246, 0.55); z-index: 2; }
.cg-handle:active { cursor: grabbing; }
.cg-handle:focus-visible { outline: 2px solid var(--lilac); outline-offset: 3px; z-index: 3; }

/* Stop list */
.cg-stops { display: flex; flex-direction: column; gap: 0.5rem; margin: 0; padding: 0; list-style: none; container-type: inline-size; }
.cg-stop {
  display: grid;
  grid-template-columns: 38px minmax(5.5rem, 1fr) auto auto auto;
  align-items: end;
  gap: 0.5rem;
  padding: 0.55rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  transition: border-color 0.2s, background-color 0.2s;
}
.cg-stop.is-sel { border-color: rgba(139, 92, 246, 0.55); background: var(--surface-2); }
.cg-num { display: flex; flex-direction: column; gap: 0.2rem; }
.cg-num-label { color: var(--muted); font-size: 0.7rem; font-weight: 600; letter-spacing: 0.02em; }
.cg-stop-btns { display: flex; gap: 0.2rem; padding-bottom: 1px; }
.cg-stop-btns .icon-btn { padding: 0.45rem; }
.cg-stop-btns .icon-btn:disabled { opacity: 0.35; cursor: not-allowed; }
@container (max-width: 470px) {
  .cg-stop { grid-template-columns: 38px minmax(0, 1fr) auto; }
  .cg-stop .cg-num { grid-row: 2; }
  .cg-stop .cg-num:nth-of-type(1) { grid-column: 1 / 3; }
  .cg-stop-btns { grid-column: 3; grid-row: 1; }
  .cg-stop .cg-num + .cg-num { grid-column: 3; }
}

/* Shadow layers */
.cg-layer-actions { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.cg-layer-actions .icon-btn:disabled { opacity: 0.35; cursor: not-allowed; }
.cg-layers { display: flex; flex-direction: column; gap: 0.4rem; }
.cg-layer {
  display: flex; align-items: center; gap: 0.6rem;
  min-width: 0;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text-2);
  font: 600 0.84rem/1.3 var(--font-body);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
}
.cg-layer:hover { border-color: rgba(var(--ink), 0.22); }
.cg-layer.is-sel { color: var(--text); border-color: rgba(139, 92, 246, 0.6); background: var(--surface-2); }
.cg-layer.is-off { opacity: 0.55; }
.cg-layer.is-off > span:nth-child(2)::after { content: " (hidden)"; color: var(--muted); font-weight: 400; }
.cg-layer:focus-visible { outline: 2px solid var(--lilac); outline-offset: 2px; }
.cg-layer code { margin-left: auto; overflow: hidden; color: var(--muted); font: 0.76rem var(--font-mono); text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.cg-layer-dot { flex: none; width: 16px; height: 16px; border-radius: 5px; box-shadow: inset 0 0 0 1px rgba(var(--ink), 0.25); }

.cg-editor {
  display: flex; flex-direction: column; gap: 1rem;
  min-width: 0;
  margin: 0;
  padding: 1rem;
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  background: var(--surface);
}
.cg-editor legend { padding: 0 0.4rem; color: var(--text); font: 600 0.9rem/1.3 var(--font-display); }
.cg-checks { display: flex; flex-wrap: wrap; gap: 0.6rem 1.25rem; }

/* Preview */
.cg-stage {
  display: grid;
  place-items: center;
  min-height: 300px;
  padding: 2.5rem 1.5rem;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.cg-sample {
  width: 100%;
  height: 260px;
  border-radius: 14px;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.06);
}
.cg.is-shadow .cg-sample { width: min(180px, 60%); height: auto; aspect-ratio: 1; border-radius: 24px; box-shadow: none; }
.cg.is-text .cg-sample {
  width: 100%;
  aspect-ratio: auto;
  height: auto;
  background: none;
  font: 800 64px/1.15 var(--font-display);
  letter-spacing: -0.02em;
  text-align: center;
  overflow-wrap: anywhere;
}
.cg-stage:not(.cg-checker) { background: var(--surface); }
.cg.is-shadow .cg-stage { background-image: none; }

/* Output */
.cg-outopts { align-items: end; }
.cg-outchecks { flex-direction: column; gap: 0.5rem; padding-bottom: 0.2rem; }
.cg-outchecks .field-hint { font-family: var(--font-mono); font-size: 0.72rem; }
.cg-code { display: flex; flex-direction: column; gap: 0.55rem; min-width: 0; }
.cg-code-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem; }
.cg-pre { max-height: 360px; white-space: pre-wrap; overflow-wrap: anywhere; }
.cg-tw { font-size: 0.8rem; }
.cg-fname { font-family: var(--font-mono); font-size: 0.78em; }

@media (max-width: 520px) {
  .cg-stage { min-height: 220px; padding: 1.75rem 1rem; }
  .cg-sample { height: 190px; }
  .cg-presets { grid-template-columns: repeat(auto-fill, minmax(76px, 1fr)); }
  .cg-num-wrap .input { width: 4.2rem; }
}