html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ffffff;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.cd {
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
}

.cd__pane {
  position: relative;
  box-sizing: border-box;
  width: 288px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
  background: #17141a;
  color: #fff7e6;
}

.cd__cursor {
  position: absolute;
  inset-inline-end: 8px;
  top: 34px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #6ec8ff;
  box-shadow: 0 0 0 4px rgba(110, 200, 255, 0.18);
  opacity: 0;
  pointer-events: none;
}

.cd__head {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 28px;
  padding: 0 12px;
  background: rgba(255, 247, 230, 0.08);
}

.cd__ic {
  display: inline-flex;
  flex: 0 0 auto;
  color: #6ec8ff;
}

.cd__ic svg {
  display: block;
}

.cd__file {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 11px;
  line-height: 16px;
  font-weight: 700;
  color: #fff7e6;
}

.cd__body {
  padding: 12px;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 11px;
  line-height: 18px;
}

.cd__line {
  display: flex;
  align-items: flex-start;
}

.cd__sign {
  flex: 0 0 auto;
  width: 12px;
  color: rgba(255, 247, 230, 0.72);
  user-select: none;
}

.cd__src {
  flex: 1 1 auto;
  min-width: 0;
  white-space: pre;
}

.cd__src .k {
  color: #ff4d1f;
}

.cd__src .s {
  color: #ffd23f;
}

.cd__src .n {
  color: #6ec8ff;
}

.cd__src .p {
  color: rgba(255, 247, 230, 0.72);
}

.cd__line--add {
  border-inline-start: 2px solid #4cd4a6;
  background: rgba(76, 212, 166, 0.16);
}

.cd__line--add .cd__sign {
  color: #4cd4a6;
  font-weight: 700;
}

.cd__line--del {
  border-inline-start: 2px solid #c2361a;
  background: rgba(194, 54, 26, 0.18);
}

.cd__line--del .cd__sign {
  color: #ffe0d8;
  font-weight: 700;
}

.cd__line--add .cd__src .k,
.cd__line--del .cd__src .k {
  color: rgb(100%, 50.1960784314%, 35.568627451%);
}

.cd__line--top .cd__src {
  color: rgba(255, 247, 230, 0.72);
}

.cd__line--add,
.cd__line--del {
  position: relative;
}

.cd__line--add::before,
.cd__line--del::before {
  content: "";
  position: absolute;
  inset-inline-start: -2px;
  inset-block: 0;
  width: 2px;
  transform: scaleY(1);
  transform-origin: top center;
}

.cd__line--add::before {
  background: #4cd4a6;
}

.cd__line--del::before {
  background: #c2361a;
}

.cd__fold {
  display: flex;
  align-items: flex-start;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 11px;
  line-height: 18px;
  cursor: pointer;
}

.cd__fold:focus-visible {
  outline: 2px solid #6ec8ff;
  outline-offset: 1px;
}

.cd__dots {
  color: rgba(255, 247, 230, 0.72);
  letter-spacing: 2px;
}

.cd__fold-body {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: grid-template-rows 300ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.cd.is-open .cd__fold-body {
  grid-template-rows: 1fr;
}

.cd__fold-in {
  min-height: 0;
}

.cd.is-demo .cd__fold-body {
  animation-name: cd-fold;
  animation-duration: 2s;
  animation-timing-function: cubic-bezier(0.2, 0.8, 0.2, 1);
  animation-iteration-count: infinite;
}

@keyframes cd-fold {
  0% {
    grid-template-rows: 0fr;
  }
  14% {
    grid-template-rows: 0fr;
    animation-timing-function: cubic-bezier(0.2, 0.8, 0.2, 1);
  }
  30% {
    grid-template-rows: 1fr;
  }
  82% {
    grid-template-rows: 1fr;
    animation-timing-function: steps(1, end);
  }
  86% {
    grid-template-rows: 0fr;
  }
  100% {
    grid-template-rows: 0fr;
  }
}
.cd.is-demo .cd__dots {
  animation-name: cd-dots;
  animation-duration: 2s;
  animation-timing-function: steps(1, end);
  animation-iteration-count: infinite;
}

@keyframes cd-dots {
  0% {
    opacity: 1;
  }
  30% {
    opacity: 0;
  }
  86% {
    opacity: 1;
  }
  100% {
    opacity: 1;
  }
}
.cd.is-demo .cd__line--del1::before,
.cd.is-demo .cd__line--del2::before,
.cd.is-demo .cd__line--add1::before,
.cd.is-demo .cd__line--add2::before {
  animation-name: cd-bar;
  animation-duration: 2s;
  animation-timing-function: cubic-bezier(0.2, 0.8, 0.2, 1);
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
}

.cd.is-demo .cd__line--del1::before {
  animation-delay: 0ms;
}

.cd.is-demo .cd__line--del2::before {
  animation-delay: 70ms;
}

.cd.is-demo .cd__line--add1::before {
  animation-delay: 140ms;
}

.cd.is-demo .cd__line--add2::before {
  animation-delay: 210ms;
}

@keyframes cd-bar {
  0% {
    transform: scaleY(0);
  }
  16% {
    transform: scaleY(0);
  }
  30% {
    transform: scaleY(1);
  }
  100% {
    transform: scaleY(1);
  }
}
.cd.is-demo .cd__cursor {
  animation-name: cd-cursor;
  animation-duration: 2s;
  animation-timing-function: cubic-bezier(0.2, 0.8, 0.2, 1);
  animation-iteration-count: infinite;
}

@keyframes cd-cursor {
  0% {
    opacity: 0;
    transform: translateY(0);
  }
  6% {
    opacity: 0.9;
    transform: translateY(0);
  }
  14% {
    opacity: 0.9;
    transform: translateY(54px);
    animation-timing-function: steps(1, end);
  }
  18% {
    opacity: 0;
    transform: translateY(54px);
  }
  44% {
    opacity: 0;
    transform: translateY(54px);
  }
  50% {
    opacity: 0.9;
    transform: translateY(54px);
  }
  72% {
    opacity: 0.9;
    transform: translateY(0);
  }
  80% {
    opacity: 0;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(0);
  }
}
@media (max-width: 340px) {
  .cd__pane {
    width: 100%;
  }
  .cd__body,
  .cd__fold {
    font-size: 10px;
    line-height: 16px;
    padding: 8px;
  }
  .cd__body {
    padding: 8px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .cd.is-demo .cd__fold-body,
  .cd.is-demo .cd__dots,
  .cd.is-demo .cd__cursor,
  .cd.is-demo .cd__line--del1::before,
  .cd.is-demo .cd__line--del2::before,
  .cd.is-demo .cd__line--add1::before,
  .cd.is-demo .cd__line--add2::before {
    animation: none !important;
  }
  .cd.is-demo .cd__cursor {
    opacity: 0;
  }
  .cd.is-demo .cd__line--del1::before,
  .cd.is-demo .cd__line--del2::before,
  .cd.is-demo .cd__line--add1::before,
  .cd.is-demo .cd__line--add2::before {
    transform: scaleY(1);
  }
}