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);
}

.fl {
  position: relative;
  width: 240px;
  max-width: 100%;
  height: 164px;
}

.fl__btn {
  position: absolute;
  left: 20px;
  right: 20px;
  top: 0;
  box-sizing: border-box;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 0;
  border-radius: 12px;
  background: #b9a0ff;
  box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
  color: #17141a;
  font-family: inherit;
  font-size: 18px;
  font-weight: 700;
  line-height: 24px;
  cursor: pointer;
}

.fl__btn:focus-visible {
  outline: 3px solid #17141a;
  outline-offset: 3px;
}

.fl__icon {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.fl__file {
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  opacity: 0;
  fill: #ffffff;
  stroke: #17141a;
  stroke-width: 2;
  stroke-linejoin: round;
  pointer-events: none;
}

.fl__tray {
  --h: 0;
  position: absolute;
  left: 0;
  right: 0;
  top: 92px;
  box-sizing: border-box;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  border: 3px solid #17141a;
  border-top-width: 0;
  border-radius: 0 0 16px 16px;
  background: color-mix(in srgb, #6ec8ff, #4cd4a6 calc(var(--h) * 100%));
  color: #17141a;
  font-size: 16px;
  font-weight: 700;
  line-height: 24px;
}

.fl__tray b {
  min-width: 3ch;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

@media (prefers-reduced-motion: reduce) {
  .fl__tray {
    transition: none;
  }
}