@property --v {
  syntax: "<number>";
  inherits: true;
  initial-value: 0.8;
}
html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ff4d1f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.pl {
  position: relative;
  box-sizing: border-box;
  width: min(392px, 92vw);
  margin: 0;
  border-radius: 16px;
  background: #fff7e6;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
  overflow: hidden;
}

.pl__screen {
  position: relative;
  height: clamp(96px, 26vw, 140px);
  overflow: hidden;
  background: linear-gradient(180deg, rgba(47, 109, 246, 0.34), rgba(255, 247, 230, 0.96));
}

.pl__stripes {
  position: absolute;
  inset: 0 -72px;
  background: repeating-linear-gradient(90deg, rgba(23, 20, 26, 0.13) 0 12px, transparent 12px 32px);
  animation-name: pl-pan;
  animation-duration: 2s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

@keyframes pl-pan {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-64px);
  }
}
.pl__world {
  position: absolute;
  inset: 0;
}

.pl__sun {
  position: absolute;
  right: 20%;
  top: 14%;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(255, 210, 63, 0.95);
  box-shadow: 0 0 0 8px rgba(255, 210, 63, 0.25);
}

.pl__hill {
  position: absolute;
  bottom: -46%;
  height: 82%;
  border-radius: 50%;
}

.pl__hill--a {
  left: -14%;
  width: 72%;
  background: rgba(23, 20, 26, 0.15);
}

.pl__hill--b {
  right: -18%;
  width: 62%;
  background: rgba(23, 20, 26, 0.09);
}

.pl__clock, .pl__badge {
  position: absolute;
  top: 8px;
  padding: 4px 8px;
  border-radius: 4px;
  background: rgba(23, 20, 26, 0.62);
  font-family: ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
  font-size: 10px;
  line-height: 14px;
  font-weight: 700;
}

.pl__clock {
  left: 8px;
  color: #fff;
}

.pl__badge {
  right: 8px;
  color: rgba(255, 255, 255, 0.85);
}

.pl__time {
  position: absolute;
  right: 8px;
  bottom: 8px;
  color: #17141a;
  font-family: ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
  font-size: 11px;
  line-height: 14px;
  font-weight: 600;
  text-shadow: 0 1px 2px rgba(255, 247, 230, 0.6);
}

.vol {
  position: absolute;
  left: 8px;
  bottom: 8px;
  display: flex;
  align-items: flex-end;
  gap: 4px;
}

.vol__pop {
  position: absolute;
  left: calc(100% + 4px);
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  box-sizing: border-box;
  width: 152px;
  height: 36px;
  padding: 0 8px;
  border-radius: 12px;
  background: rgba(23, 20, 26, 0.88);
  transform: translateX(-6px) scale(0.6);
  transform-origin: left bottom;
  opacity: 0;
  pointer-events: none;
  transition: transform 220ms cubic-bezier(0.2, 1.4, 0.4, 1), opacity 220ms cubic-bezier(0.2, 1.4, 0.4, 1);
}

.pl.is-open .vol__pop {
  transform: none;
  opacity: 1;
  pointer-events: auto;
}

.vol__slider {
  --v: 0.8;
  position: relative;
  flex: 1 1 auto;
  height: 32px;
  cursor: pointer;
  touch-action: none;
}

.vol__slider:focus-visible {
  outline: 2px solid #ffd23f;
  outline-offset: -2px;
  border-radius: 8px;
}

.vol__track {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 6px;
  margin-top: -3px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.22);
}

.vol__fill {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: rgba(255, 210, 63, 0.95);
  transform-origin: left center;
  transform: scaleX(var(--v));
}

.vol__thumbwrap {
  position: absolute;
  inset: 0;
  pointer-events: none;
  transform: translateX(calc((100% - 12px) * var(--v)));
}

.vol__thumb {
  position: absolute;
  left: 0;
  top: 50%;
  width: 12px;
  height: 12px;
  margin-top: -6px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 6px rgba(23, 20, 26, 0.5);
}

.vol__pct {
  flex: 0 0 auto;
  min-width: 20px;
  color: rgba(255, 255, 255, 0.9);
  font-family: ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
  font-size: 10px;
  line-height: 12px;
  font-weight: 700;
  text-align: right;
}

.vol__btn {
  position: relative;
  box-sizing: border-box;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 12px;
  background: rgba(23, 20, 26, 0.72);
  color: #fff;
  cursor: pointer;
  transition: background 220ms cubic-bezier(0.2, 1.4, 0.4, 1);
}

.vol__btn:hover {
  background: rgba(23, 20, 26, 0.9);
}

.vol__btn:focus-visible {
  outline: 2px solid #ffd23f;
  outline-offset: 2px;
}

.vol__ic {
  position: absolute;
  display: inline-flex;
}

.vol__ic--low, .vol__ic--mute {
  display: none;
}

.pl.is-low .vol__ic--high {
  display: none;
}

.pl.is-low .vol__ic--low {
  display: inline-flex;
}

.pl.is-mute .vol__ic--high, .pl.is-low .vol__ic--low {
  display: none;
}

.pl.is-mute .vol__ic--mute {
  display: inline-flex;
}

.pl.is-demo .vol__pop {
  animation-name: vol-pop;
  animation-duration: 2s;
  animation-timing-function: cubic-bezier(0.2, 1.4, 0.4, 1);
  animation-iteration-count: infinite;
}

.pl.is-demo .vol__slider {
  animation-name: vol-v;
  animation-duration: 2s;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
}

.pl.is-demo .vol__ic--high {
  animation-name: vol-i-high;
  animation-duration: 2s;
  animation-timing-function: steps(1, end);
  animation-iteration-count: infinite;
}

.pl.is-demo .vol__ic--low {
  display: inline-flex;
  animation-name: vol-i-low;
  animation-duration: 2s;
  animation-timing-function: steps(1, end);
  animation-iteration-count: infinite;
}

.pl.is-demo .vol__ic--mute {
  display: inline-flex;
  animation-name: vol-i-mute;
  animation-duration: 2s;
  animation-timing-function: steps(1, end);
  animation-iteration-count: infinite;
}

@keyframes vol-pop {
  0%, 6% {
    opacity: 0;
    transform: translateX(-6px) scale(0.6);
  }
  16%, 80% {
    opacity: 1;
    transform: none;
  }
  88%, 100% {
    opacity: 0;
    transform: translateX(-6px) scale(0.6);
  }
}
@keyframes vol-v {
  0%, 8% {
    --v: 0.8;
  }
  40% {
    --v: 0.22;
  }
  50%, 58% {
    --v: 0;
  }
  68% {
    --v: 0.3;
  }
  80%, 100% {
    --v: 0.8;
  }
}
@keyframes vol-i-high {
  0%, 36% {
    opacity: 1;
  }
  37%, 63% {
    opacity: 0;
  }
  64%, 100% {
    opacity: 1;
  }
}
@keyframes vol-i-low {
  0%, 36% {
    opacity: 0;
  }
  37%, 44% {
    opacity: 1;
  }
  45%, 66% {
    opacity: 0;
  }
  67%, 74% {
    opacity: 1;
  }
  75%, 100% {
    opacity: 0;
  }
}
@keyframes vol-i-mute {
  0%, 44% {
    opacity: 0;
  }
  45%, 58% {
    opacity: 1;
  }
  59%, 100% {
    opacity: 0;
  }
}
.pl.is-demo .vol__pct {
  animation-name: vol-pct;
  animation-duration: 2s;
  animation-timing-function: steps(1, end);
  animation-iteration-count: infinite;
}

@keyframes vol-pct {
  0%, 8% {
    opacity: 1;
  }
  40% {
    opacity: 1;
  }
  50%, 58% {
    opacity: 1;
  }
  68% {
    opacity: 1;
  }
  80%, 100% {
    opacity: 1;
  }
}
@media (prefers-reduced-motion: reduce) {
  .pl.is-demo .vol__pop, .pl.is-demo .vol__slider, .pl.is-demo .vol__ic--high,
  .pl.is-demo .vol__ic--low, .pl.is-demo .vol__ic--mute, .pl.is-demo .vol__pct,
  .pl__stripes {
    animation: none !important;
  }
  .vol__pop {
    transition: none;
  }
}