/* 开发者样式实验室：只承载目录浏览与局部预览，不参与正式页面排版。 */
body.yz-style-lab-open {
  overflow: hidden;
}

.yz-style-lab {
  position: fixed;
  inset: 0;
  z-index: 1400;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.yz-style-lab[hidden] {
  display: none;
}

.yz-style-lab__backdrop {
  position: absolute;
  inset: 0;
  background: rgb(13 17 24 / .72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.yz-style-lab__panel {
  position: relative;
  width: min(1120px, 100%);
  max-height: min(850px, calc(100dvh - 2rem));
  overflow: auto;
  border: 1px solid color-mix(in srgb, var(--line-strong) 72%, transparent);
  border-radius: var(--radius-dialog);
  background: color-mix(in srgb, var(--surface-floating) 97%, transparent);
  box-shadow: 0 28px 80px rgb(0 0 0 / .36);
}

.yz-style-lab__header,
.yz-style-lab__meta,
.yz-style-lab__entry {
  display: flex;
  align-items: center;
}

.yz-style-lab__header {
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--line);
}

.yz-style-lab__header p,
.yz-style-lab__header h2 {
  margin: 0;
}

.yz-style-lab__header p {
  color: var(--focus);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .14em;
}

.yz-style-lab__header h2 {
  margin-top: .2rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
}

.yz-style-lab__close,
.yz-style-lab__meta button {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.yz-style-lab__close {
  width: 2.3rem;
  height: 2.3rem;
  padding: 0;
  border-radius: 50%;
  color: var(--muted);
  font-size: 1.35rem;
}

.yz-style-lab__intro {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1rem;
  padding: .75rem 1.5rem;
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--muted);
  font-size: .78rem;
}

.yz-style-lab__body {
  display: grid;
  grid-template-columns: 17rem minmax(0, 1fr);
  min-height: 32rem;
}

.yz-style-lab__index {
  min-width: 0;
  padding: 1.1rem;
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-soft) 68%, transparent);
}

.yz-style-lab__search,
.yz-style-lab__surface {
  display: grid;
  gap: .35rem;
  color: var(--muted);
  font-size: .72rem;
}

.yz-style-lab__surface {
  margin-top: .75rem;
}

.yz-style-lab__search input,
.yz-style-lab__surface select {
  width: 100%;
  min-height: 2.25rem;
  padding: .45rem .6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface);
  color: var(--text);
}

.yz-style-lab__sync {
  margin: .9rem 0 .55rem;
  color: var(--muted);
  font-size: .72rem;
}

.yz-style-lab__catalog {
  display: grid;
  gap: .38rem;
  max-height: 27rem;
  overflow: auto;
  padding-right: .15rem;
}

.yz-style-lab__entry {
  width: 100%;
  flex-direction: column;
  align-items: flex-start;
  gap: .22rem;
  padding: .7rem .75rem;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.yz-style-lab__entry:hover,
.yz-style-lab__entry.is-active {
  border-color: color-mix(in srgb, var(--focus) 34%, var(--line));
  background: color-mix(in srgb, var(--focus) 9%, transparent);
}

.yz-style-lab__entry strong {
  font-size: .82rem;
}

.yz-style-lab__entry span,
.yz-style-lab__preview-heading code,
.yz-style-lab__token code {
  overflow: hidden;
  max-width: 100%;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: .68rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.yz-style-lab__workspace {
  min-width: 0;
}

.yz-style-lab__meta {
  justify-content: space-between;
  gap: .75rem;
  min-height: 3.75rem;
  padding: .75rem 1.25rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: .7rem;
}

.yz-style-lab__meta button {
  flex: none;
  padding: .48rem .7rem;
  border-radius: var(--radius-control);
  font: inherit;
}

.yz-style-lab__meta button:disabled {
  opacity: .45;
  cursor: not-allowed;
}

.yz-style-lab__preview {
  display: grid;
  align-content: center;
  gap: 1.25rem;
  min-height: 28rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  background:
    radial-gradient(28rem 17rem at 90% 5%, color-mix(in srgb, var(--focus) 13%, transparent), transparent 72%),
    var(--bg);
}

.yz-style-lab__preview-heading h3,
.yz-style-lab__note {
  margin: 0;
}

.yz-style-lab__preview-heading h3 {
  margin-bottom: .35rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
}

.yz-style-lab__sample {
  justify-self: start;
}

.yz-style-lab__sample.yz-style-lab__token {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .75rem .9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: color-mix(in srgb, var(--surface) 86%, transparent);
}

.yz-style-lab__sample.yz-style-lab__palette {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(38rem, 100%);
  gap: .65rem;
}

.yz-style-lab__palette-item {
  display: grid;
  gap: .38rem;
  min-width: 0;
  padding: .6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: color-mix(in srgb, var(--surface) 86%, transparent);
}

.yz-style-lab__palette-item span {
  display: block;
  height: 2.5rem;
  border: 1px solid rgb(0 0 0 / .12);
  border-radius: .45rem;
  background: repeating-conic-gradient(#d9d9d9 0 25%, #fff 0 50%) 50% / .7rem .7rem;
}

.yz-style-lab__palette-item strong {
  overflow: hidden;
  color: var(--text);
  font-size: .72rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.yz-style-lab__palette-item code {
  overflow: hidden;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: .65rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.yz-style-lab__token span {
  width: 2rem;
  height: 2rem;
  flex: none;
  border: 1px solid rgb(0 0 0 / .12);
  border-radius: .45rem;
  background: repeating-conic-gradient(#d9d9d9 0 25%, #fff 0 50%) 50% / .7rem .7rem;
}

.yz-style-lab__sample.card,
.yz-style-lab__sample.glass-card {
  width: min(32rem, 100%);
  padding: 1.25rem;
}

.yz-style-lab__sample.yz-style-lab__typography {
  display: grid;
  width: min(34rem, 100%);
  gap: .5rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: color-mix(in srgb, var(--surface) 86%, transparent);
}

.yz-style-lab__typography strong,
.yz-style-lab__typography p,
.yz-style-lab__typography code {
  display: block;
  margin: 0;
}

.yz-style-lab__typography strong {
  color: var(--text);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  line-height: 1.35;
}

.yz-style-lab__typography p,
.yz-style-lab__typography code {
  color: var(--muted);
  line-height: 1.5;
}

.yz-style-lab__typography code {
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: .7rem;
}

.yz-style-lab__sample strong,
.yz-style-lab__sample p {
  display: block;
  margin: 0;
}

.yz-style-lab__sample p,
.yz-style-lab__note {
  margin-top: .5rem;
  color: var(--muted);
  line-height: 1.65;
}

.yz-style-lab__note {
  max-width: 34rem;
  font-size: .82rem;
}

@media (max-width: 760px) {
  .yz-style-lab { padding: 0; }
  .yz-style-lab__panel { max-height: 100dvh; border-radius: 0; }
  .yz-style-lab__body { grid-template-columns: 1fr; }
  .yz-style-lab__index { border-right: 0; border-bottom: 1px solid var(--line); }
  .yz-style-lab__catalog { display: flex; max-height: 9rem; overflow: auto; }
  .yz-style-lab__entry { min-width: 10rem; }
}

@media (max-width: 480px) {
  .yz-style-lab__header,
  .yz-style-lab__intro { padding-left: 1rem; padding-right: 1rem; }
  .yz-style-lab__meta { align-items: flex-start; flex-direction: column; }
  .yz-style-lab__sample.yz-style-lab__palette { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}