.sl-generation-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  color: var(--ds-color-text);
  font-family: var(--ds-font-ui);
}

.sl-panel-section {
  padding: 14px;
  background: var(--ds-color-surface);
  border: 1px solid var(--ds-color-border);
  border-radius: 12px;
}

.sl-section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.sl-section-heading h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 650;
}

.sl-section-heading p {
  margin: 5px 0 0;
  font-size: 13px;
  color: var(--ds-color-text-secondary);
}

/* Presets */

.sl-preset-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.sl-preset-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;

  min-height: 72px;
  padding: 12px;

  border: 1px solid var(--ds-color-border);
  border-radius: 13px;

  background: var(--ds-color-surface);
  color: inherit;

  text-align: left;
  cursor: pointer;

  transition:
    border-color 150ms ease,
    background 150ms ease,
    box-shadow 150ms ease;
}

.sl-preset-card:hover {
  border-color: var(--ds-color-border-strong);
}

.sl-preset-card.is-active {
  border-color: var(--ds-color-accent);
  background: var(--ds-color-accent-soft);
  box-shadow: 0 0 0 1px var(--ds-color-accent);
}

.sl-preset-icon {
  display: grid;
  place-items: center;

  width: 36px;
  height: 36px;

  flex: 0 0 auto;

  border-radius: 10px;
  background: var(--ds-color-surface-soft);

  color: var(--ds-color-accent);
}

.sl-preset-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sl-preset-copy strong {
  font-size: 13px;
}

.sl-preset-copy small {
  font-size: 13px;
  color: var(--ds-color-text-secondary);
}

.sl-preset-check {
  position: absolute;
  right: 10px;
  top: 8px;

  opacity: 0;
  color: var(--ds-color-accent);
}

.sl-preset-card.is-active .sl-preset-check {
  opacity: 1;
}

/* 阶段 2：生成目标策略卡（renderGenMethodSection 的「生成目标」区）。
   三张卡共用 .sl-preset-card 的底子，但说明文字带真实信息量，
   所以单列摆放、不用 .sl-preset-grid 的三列；工作台皮肤
   （pixler-skin.css）另有对应放行规则 —— 两边都要改，
   否则皮肤的后置规则会把说明文字重新藏掉。 */
.sl-strategy-grid {
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

.sl-strategy-card {
  min-height: 0;
  padding: 10px 12px;
}

.sl-strategy-card .sl-preset-copy small {
  line-height: 1.5;
}

.sl-strategy-hint {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--ds-color-text-secondary);
}

/* 阶段 3：背景处理三卡片。与生成目标卡片同构（单列 + 说明文字可见），
   理由同阶段 2：三个选项带真实信息量，压成图标列会丢掉选择依据。
   pixler-skin.css 同样需要放行规则（见该文件末尾的阶段 3 区段）。 */
.sl-bg-grid {
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

.sl-bg-card {
  min-height: 0;
  padding: 10px 12px;
}

.sl-bg-card .sl-preset-copy small {
  line-height: 1.5;
}

.sl-bg-hint {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--ds-color-text-secondary);
}

.sl-size-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

/* Sampling */

.sl-sampling-tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));

  padding: 6px;

  border-radius: 14px;
  background: var(--ds-color-surface-soft);
}

.sl-sampling-card {
  display: flex;
  flex-direction: column;
  align-items: center;

  gap: 3px;

  min-height: 58px;

  border: 0;
  border-radius: 11px;

  background: transparent;
  color: var(--ds-color-text-secondary);

  cursor: pointer;
}

.sl-sampling-card strong {
  font-size: 13px;
}

.sl-sampling-card span {
  font-size: 13px;
}

.sl-sampling-card.is-active {
  background: var(--ds-color-surface);
  color: var(--ds-color-accent);

  box-shadow:
    0 1px 2px rgba(15, 23, 42, 0.05),
    0 4px 14px rgba(15, 23, 42, 0.06);
}

.sl-sampling-description {
  min-height: 18px;
  margin-top: 12px;

  font-size: 13px;
  line-height: 1.6;
  color: var(--ds-color-text-secondary);
}

/* Ranges */

.sl-range-setting {
  padding: 14px 0;
  border-bottom: 1px solid var(--ds-color-border-soft);
}

.sl-range-heading {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.sl-range-heading > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sl-range-heading strong {
  font-size: 13px;
}

.sl-range-heading small {
  color: var(--ds-color-text-secondary);
  font-size: 13px;
}

.sl-range-heading output {
  color: var(--ds-color-accent);
  font-size: 13px;
}

.sl-range-row {
  display: grid;
  grid-template-columns: 36px 1fr 36px;
  align-items: center;

  gap: 10px;
  margin-top: 12px;
}

.sl-range-row button {
  height: 34px;

  border: 0;
  border-radius: 9px;

  background: var(--ds-color-surface-soft);
  color: var(--ds-color-text);

  cursor: pointer;
}

.sl-range-row input {
  width: 100%;
  accent-color: var(--ds-color-accent);
}

/* Switch */

.sl-option-list {
  margin-top: 10px;
}

.sl-switch-row {
  position: relative;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 16px;
}

/* 智能辅助分组的小标题：与上下开关行留白，弱化但可读 */
.sl-section-hint {
  margin: 6px 0 0;
  padding: 12px 0 6px;
  border-top: 1px dashed var(--ds-color-border);
  color: var(--ds-color-text-secondary);
  font-size: 13px;
  line-height: 1.5;
}

.sl-switch-row {
  min-height: 58px;
  border-bottom: 1px solid var(--ds-color-border-soft);
}

.sl-switch-row > span:first-child {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sl-switch-row strong {
  font-size: 13px;
}

.sl-switch-row small {
  font-size: 13px;
  color: var(--ds-color-text-secondary);
}

.sl-switch-row input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.sl-switch-ui {
  position: relative;

  width: 38px;
  height: 22px;

  flex: 0 0 auto;

  border-radius: 999px;
  background: var(--ds-color-border-strong);

  transition: background 150ms ease;
}

.sl-switch-ui::after {
  content: "";

  position: absolute;
  left: 3px;
  top: 3px;

  width: 16px;
  height: 16px;

  border-radius: 50%;
  background: var(--ds-color-surface);

  box-shadow: 0 1px 3px rgba(0,0,0,.15);

  transition: transform 150ms ease;
}

input:checked + .sl-switch-ui {
  background: var(--ds-color-accent);
}

input:checked + .sl-switch-ui::after {
  transform: translateX(16px);
}

/* Color budget */

.sl-number-setting {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 20px;

  padding-bottom: 15px;
  border-bottom: 1px solid var(--ds-color-border-soft);
}

.sl-number-setting > div:first-child {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sl-number-setting strong {
  font-size: 13px;
}

.sl-number-setting small {
  color: var(--ds-color-text-secondary);
  font-size: 13px;
}

.sl-number-stepper {
  display: grid;
  grid-template-columns: 32px 52px 32px;

  overflow: hidden;

  border: 1px solid var(--ds-color-border);
  border-radius: 9px;
}

.sl-number-stepper button,
.sl-number-stepper input {
  height: 34px;
  border: 0;
  background: var(--ds-color-surface);
  text-align: center;
}

.sl-number-stepper button {
  cursor: pointer;
  background: var(--ds-color-surface-soft);
}

/* Info */

.sl-info-box {
  margin-top: 14px;
  padding: 12px 14px;

  border-radius: 11px;
  background: var(--ds-color-accent-soft);
}

.sl-info-box strong {
  font-size: 13px;
  color: var(--ds-color-text);
}

.sl-info-box p {
  margin: 5px 0 0;

  font-size: 13px;
  line-height: 1.6;
  color: var(--ds-color-text-secondary);
}

.sl-advanced-content {
  display: none;
  padding-top: 12px;
}

.sl-advanced-content.is-open {
  display: block;
}

/* Grid toolbar */

.sl-grid-toolbar {
  display: flex;
  align-items: center;

  gap: 4px;

  padding: 6px;

  border: 1px solid var(--ds-color-border);
  border-radius: 13px;

  background: var(--ds-color-overlay);

  box-shadow: 0 8px 24px #11111114;
}

.sl-tool-button {
  position: relative;

  display: flex;
  align-items: center;

  gap: 7px;

  height: 38px;

  padding: 0 10px;

  border: 0;
  border-radius: 9px;

  background: transparent;
  color: var(--ds-color-text-secondary);

  cursor: pointer;
}

.sl-tool-button:hover {
  background: var(--ds-color-surface-soft);
}

.sl-tool-button.is-active {
  background: var(--ds-color-accent-soft);
  color: var(--ds-color-accent);
}

.sl-tool-button kbd {
  font-size: 9px;
  color: var(--ds-color-text-tertiary);
}

/* 取色按钮上的「当前色」色块：右键画布取色后，这里立刻反映刚取到的颜色。
   .sl-tool-button 已 position:relative，色块绝对定位在右上角，不挤占图标与文字。 */
.sl-tool-swatch { position: absolute; top: 2px; right: 2px; width: 12px; height: 12px; border-radius: 3px; border: 1px solid rgba(0,0,0,.3); box-shadow: inset 0 0 0 1px rgba(255,255,255,.55); background: transparent; pointer-events: none; }
.sl-tool-swatch.is-empty { background-image: conic-gradient(var(--ds-color-border-strong) 25%, var(--ds-color-surface) 0 50%, var(--ds-color-border-strong) 0 75%, var(--ds-color-surface) 0); background-size: 6px 6px; }

.sl-toolbar-divider {
  width: 1px;
  height: 24px;
  margin: 0 3px;
  background: var(--ds-color-border);
}

/* Zoom */

.sl-zoom-controls {
  display: flex;
  align-items: center;
  gap: 5px;
}

.sl-zoom-controls button {
  min-width: 34px;
  height: 32px;

  border: 0;
  border-radius: 8px;

  background: transparent;
  color: var(--ds-color-text-secondary);

  cursor: pointer;
}

.sl-zoom-controls button:hover {
  background: var(--ds-color-surface-soft);
}

.sl-zoom-value {
  min-width: 60px !important;
}

.sl-zoom-controls input[type="range"] {
  width: 130px;
  accent-color: var(--ds-color-accent);
}

.sl-primary-button {
  width: 100%;
  height: 44px;

  border: 0;
  border-radius: 11px;

  background: var(--ds-color-accent);
  color: var(--ds-color-on-accent);

  font: inherit;
  font-weight: 650;

  cursor: pointer;
}

@media (max-width: 1100px) {
  .sl-preset-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sl-sampling-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .sl-tool-label {
    display: none;
  }
}

/* Production desktop workspace: readable inspector and compact icon tools. */
.phase2-workspace .sl-generation-panel { min-width: 0; gap: 12px; color: var(--ws-text); }
.phase2-workspace .sl-panel-section { min-width: 0; padding: 16px; border: 1px solid var(--ws-border); border-radius: 12px; }
.phase2-workspace .sl-section-heading { gap: 8px; margin-bottom: 12px; }
.phase2-workspace .sl-section-heading h3 { font-size: 14px; }
.phase2-workspace .sl-section-heading p { color: var(--ws-text-tertiary); line-height: 1.45; }
.phase2-workspace .sl-preset-grid { grid-template-columns: 1fr; gap: 7px; }
/* 阶段 2：策略卡没有图标列（.sl-preset-icon），单列摆放；说明文字是选择依据，
   不用 preset 卡的 62px 等高。pixler-skin.css 里有最终生效的压缩版。 */
.phase2-workspace .sl-strategy-grid { gap: 7px; }
.phase2-workspace .sl-strategy-card { grid-template-columns: minmax(0, 1fr); min-height: 0; padding: 9px 12px; }
/* 阶段 3：背景卡与策略卡同一形态（无图标列、说明文字可见）。 */
.phase2-workspace .sl-bg-grid { gap: 7px; }
.phase2-workspace .sl-bg-card { grid-template-columns: minmax(0, 1fr); min-height: 0; padding: 9px 12px; }
.phase2-workspace .sl-preset-card { display: grid; grid-template-columns: 36px minmax(0,1fr); align-items: center; gap: 11px; min-height: 62px; padding: 9px 12px; border-color: var(--ws-border); border-radius: 10px; }
.phase2-workspace .sl-preset-card:hover { border-color: var(--ds-color-accent); }
.phase2-workspace .sl-preset-card.is-active { border-color: var(--ws-accent); background: var(--ws-accent-soft); box-shadow: inset 0 0 0 1px var(--ws-accent); }
.phase2-workspace .sl-preset-icon { width: 36px; height: 36px; color: var(--ws-accent); background: var(--ds-color-surface-soft); }
.phase2-workspace .sl-preset-copy { min-width: 0; gap: 2px; }
.phase2-workspace .sl-preset-copy strong { display: block; font-size: 13px; line-height: 1.3; white-space: nowrap; }
.phase2-workspace .sl-preset-copy small { display: block; color: var(--ws-text-tertiary); font-size: 13px; line-height: 1.35; white-space: normal; overflow-wrap: anywhere; }
.phase2-workspace .sl-preset-check { color: var(--ws-accent); }
.phase2-workspace .sl-sampling-tabs { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 4px; background: var(--ds-color-surface-soft); }
.phase2-workspace .sl-sampling-card { min-width: 0; }
.phase2-workspace .sl-primary-button { background: var(--ws-accent); border-radius: 9px; }
.phase2-workspace .sl-primary-button:hover { background: var(--ds-color-accent-hover); }
.phase2-workspace .sl-grid-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 78px; padding: 6px 10px; border: 1px solid var(--ws-border); border-radius: 17px; background: var(--ds-color-overlay); box-shadow: 0 8px 28px #11111114; }
.phase2-workspace .sl-toolbar-primary,.phase2-workspace .sl-toolbar-history { display: flex; align-items: center; gap: 2px; min-width: 0; }
.phase2-workspace .sl-toolbar-history { padding-left: 8px; border-left: 1px solid var(--ws-border); }
.phase2-workspace .sl-tool-button { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 4px; flex: 0 0 76px; width: 76px; height: 64px; padding: 5px 2px; border: 0; border-radius: 12px; background: transparent; color: var(--ds-color-text-secondary); text-align: center; cursor: pointer; }
.phase2-workspace .sl-tool-button:hover:not(:disabled) { background: var(--ds-color-surface-soft); }
.phase2-workspace .sl-tool-button.is-active { background: var(--ds-color-accent-soft); color: var(--ds-color-accent); }
.phase2-workspace .sl-tool-button:disabled { opacity: .38; cursor: default; }
.phase2-workspace .sl-tool-icon { display: grid; place-items: center; width: 30px; height: 30px; flex: 0 0 auto; font-size: 25px; line-height: 1; }
.phase2-workspace .sl-tool-icon svg { width: 28px; height: 28px; }
.phase2-workspace .sl-tool-label { display: block; font-size: 13px; font-weight: 650; line-height: 1.1; white-space: nowrap; }
.phase2-workspace .sl-tool-more { position: relative; }
.phase2-workspace .sl-tool-more > summary { list-style: none; }
.phase2-workspace .sl-tool-more > summary::-webkit-details-marker { display: none; }
.phase2-workspace .sl-tool-menu { position: absolute; z-index: 25; top: calc(100% + 9px); right: 0; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 3px; width: 260px; max-height: min(65vh,440px); overflow-y: auto; padding: 8px; border: 1px solid var(--ws-border); border-radius: 12px; background: var(--ds-color-surface); box-shadow: 0 12px 32px #1111111f; }
.phase2-workspace .sl-tool-button-secondary { flex: auto; width: 100%; height: 44px; flex-direction: row; justify-content: flex-start; gap: 8px; padding: 6px 8px; border-radius: 7px; }
.phase2-workspace .sl-tool-button-secondary .sl-tool-icon { width: 20px; height: 20px; font-size: 19px; }
.phase2-workspace .sl-tool-button-secondary .sl-tool-label { font-size: 13px; }
.phase2-workspace .sl-history-button { display: grid; place-items: center; width: 42px; height: 48px; border: 0; border-radius: 10px; background: transparent; color: #6b6b6b; cursor: pointer; }
.phase2-workspace .sl-history-button:hover:not(:disabled) { background: var(--ds-color-accent-soft); }
.phase2-workspace .sl-history-button:disabled { color: var(--ds-color-text-tertiary); cursor: default; }
.phase2-workspace .sl-history-button svg { width: 26px; height: 26px; }
@media (max-width: 1050px) { .phase2-workspace .sl-tool-button { width: 62px; flex-basis: 62px; } .phase2-workspace .sl-tool-menu .sl-tool-button { width: 100%; } }

/* 工具条是浮在画布上方的浮层（top:12px），高度直接压在画布上。必须严格单行：
   一旦换行，多出来的那几行会盖住画布顶部并抢走点击。所以工具按钮用弹性宽度自适应收窄，
   而不是换行；新增的笔宽/实心等控件一律放进「编辑」检查器。 */
.phase2-workspace .sl-grid-toolbar { flex-wrap: nowrap; }
.phase2-workspace .sl-toolbar-primary { flex-wrap: nowrap; min-width: 0; }
.phase2-workspace .sl-toolbar-primary > .sl-tool-button { flex: 1 1 0; min-width: 44px; max-width: 78px; width: auto; }
.phase2-workspace .sl-tool-more { flex: 0 0 auto; }
.phase2-workspace .sl-tool-more > summary.sl-tool-button { flex: 0 0 auto; width: 78px; min-width: 44px; }
.phase2-workspace .sl-toolbar-history { flex: 0 0 auto; }

/* 功能说明与快捷键面板 */
.phase2-workspace .ws-help-dialog { width: min(760px, 92vw); max-height: 82vh; padding: 0; border: 1px solid var(--ws-border); border-radius: 16px; background: var(--ds-color-surface); box-shadow: 0 24px 64px #11111133; overflow: hidden; }
.phase2-workspace .ws-help-dialog::backdrop { background: #11111199; }
.phase2-workspace .ws-help-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--ws-border); }
.phase2-workspace .ws-help-head strong { font-size: 15px; color: var(--ds-color-text); }
.phase2-workspace .ws-help-close { width: 30px; height: 30px; border: 0; border-radius: 8px; background: transparent; color: var(--ds-color-text-secondary); font-size: 19px; line-height: 1; cursor: pointer; }
.phase2-workspace .ws-help-close:hover { background: var(--ds-color-surface-soft); }
.phase2-workspace .ws-help-body { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 4px 26px; padding: 14px 18px 20px; overflow-y: auto; max-height: calc(82vh - 60px); }
.phase2-workspace .ws-help-body h4 { margin: 10px 0 6px; font-size: 13px; font-weight: 750; letter-spacing: .04em; color: var(--ds-color-accent); }
.phase2-workspace .ws-help-body dl { margin: 0; }
.phase2-workspace .ws-help-body dl > div { display: grid; grid-template-columns: minmax(84px, auto) 1fr; align-items: baseline; gap: 10px; padding: 3px 0; border-bottom: 1px dashed var(--ds-color-border-soft); }
.phase2-workspace .ws-help-body dt { margin: 0; }
.phase2-workspace .ws-help-body dd { margin: 0; font-size: 12.5px; color: var(--ds-color-text); }
.phase2-workspace .ws-help-body kbd { display: inline-block; min-width: 22px; padding: 1px 6px; border: 1px solid var(--ds-color-border-strong); border-bottom-width: 2px; border-radius: 5px; background: var(--ds-color-surface-soft); font: inherit; font-size: 11.5px; font-weight: 650; color: var(--ds-color-text); text-align: center; }
@media (max-width: 1250px) { .phase2-workspace .sl-toolbar-primary > .sl-tool-button { max-width: 66px; } }