/* mosaic-reset: uiverse 컴포넌트 공통 전제 (box-sizing + 기본 sans-serif) */
*, *::before, *::after { box-sizing: border-box; }
:where(body) { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }

/* 단독 동작용 무대 (uiverse: happy-dodo-17) */
html, body { margin: 0; height: 100%; }
body { min-height: 100vh; display: flex; justify-content: center; align-items: center; background: #1a1a1a; }

/* level settings 👇 */

.slider {
  /* slider */
  --slider-width: 100%;
  --slider-height: 6px;
  --slider-bg: rgb(82, 82, 82);
  --slider-border-radius: 999px;
  /* level */
  --level-color: #fff;
  --level-transition-duration: .1s;
  /* icon */
  --icon-margin: 15px;
  --icon-color: var(--slider-bg);
  --icon-size: 25px;
}

.slider {
  cursor: pointer;
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: reverse;
  -ms-flex-direction: row-reverse;
  flex-direction: row-reverse;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}

.slider .volume {
  display: inline-block;
  vertical-align: top;
  margin-right: var(--icon-margin);
  color: var(--icon-color);
  width: var(--icon-size);
  height: auto;
}

.slider .level {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  width: var(--slider-width);
  height: var(--slider-height);
  background: var(--slider-bg);
  overflow: hidden;
  border-radius: var(--slider-border-radius);
  -webkit-transition: height var(--level-transition-duration);
  -o-transition: height var(--level-transition-duration);
  transition: height var(--level-transition-duration);
  cursor: inherit;
}

.slider .level::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 0;
  height: 0;
  -webkit-box-shadow: -200px 0 0 200px var(--level-color);
  box-shadow: -200px 0 0 200px var(--level-color);
}

.slider:hover .level {
  height: calc(var(--slider-height) * 2);
}