/* 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 — 흰 카드가 떠 보이도록 옅은 배경 + 중앙 정렬 */
html, body { margin: 0; height: 100%; }
body {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #eef0f5;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ---- 컴포넌트 본체 (uiverse: warm-panther-74) ---- */
#checklist {
  --background: #fff;
  --text: #414856;
  --check: #4f29f0;
  --disabled: #c3c8de;
  --width: 100px;
  --height: 180px;
  --border-radius: 10px;
  background: var(--background);
  width: var(--width);
  height: var(--height);
  border-radius: var(--border-radius);
  position: relative;
  box-shadow: 0 10px 30px rgba(65, 72, 86, 0.05);
  padding: 30px 85px;
  display: grid;
  grid-template-columns: 30px auto;
  align-items: center;
  justify-content: center;
}

#checklist label {
  color: var(--text);
  position: relative;
  cursor: pointer;
  display: grid;
  align-items: center;
  width: fit-content;
  transition: color 0.3s ease;
  margin-right: 20px;
}

#checklist label::before, #checklist label::after {
  content: "";
  position: absolute;
}

#checklist label::before {
  height: 2px;
  width: 8px;
  left: -27px;
  background: var(--check);
  border-radius: 2px;
  transition: background 0.3s ease;
}

#checklist label:after {
  height: 4px;
  width: 4px;
  top: 8px;
  left: -25px;
  border-radius: 50%;
}

#checklist input[type="checkbox"] {
  -webkit-appearance: none;
  -moz-appearance: none;
  position: relative;
  height: 15px;
  width: 15px;
  outline: none;
  border: 0;
  margin: 0 15px 0 0;
  cursor: pointer;
  background: var(--background);
  display: grid;
  align-items: center;
  margin-right: 20px;
}

#checklist input[type="checkbox"]::before, #checklist input[type="checkbox"]::after {
  content: "";
  position: absolute;
  height: 2px;
  top: auto;
  background: var(--check);
  border-radius: 2px;
}

#checklist input[type="checkbox"]::before {
  width: 0px;
  right: 60%;
  transform-origin: right bottom;
}

#checklist input[type="checkbox"]::after {
  width: 0px;
  left: 40%;
  transform-origin: left bottom;
}

#checklist input[type="checkbox"]:checked::before {
  animation: check-01 0.4s ease forwards;
}

#checklist input[type="checkbox"]:checked::after {
  animation: check-02 0.4s ease forwards;
}

#checklist input[type="checkbox"]:checked + label {
  color: var(--disabled);
  animation: move 0.3s ease 0.1s forwards;
}

#checklist input[type="checkbox"]:checked + label::before {
  background: var(--disabled);
  animation: slice 0.4s ease forwards;
}

#checklist input[type="checkbox"]:checked + label::after {
  animation: firework 0.5s ease forwards 0.1s;
}

@keyframes move {
  50% { padding-left: 8px; padding-right: 0px; }
  100% { padding-right: 4px; }
}

@keyframes slice {
  60% { width: 100%; left: 4px; }
  100% { width: 100%; left: -2px; padding-left: 0; }
}

@keyframes check-01 {
  0% { width: 4px; top: auto; transform: rotate(0); }
  50% { width: 0px; top: auto; transform: rotate(0); }
  51% { width: 0px; top: 8px; transform: rotate(45deg); }
  100% { width: 5px; top: 8px; transform: rotate(45deg); }
}

@keyframes check-02 {
  0% { width: 4px; top: auto; transform: rotate(0); }
  50% { width: 0px; top: auto; transform: rotate(0); }
  51% { width: 0px; top: 8px; transform: rotate(-45deg); }
  100% { width: 10px; top: 8px; transform: rotate(-45deg); }
}

@keyframes firework {
  0% {
    opacity: 1;
    box-shadow: 0 0 0 -2px #4f29f0, 0 0 0 -2px #4f29f0, 0 0 0 -2px #4f29f0, 0 0 0 -2px #4f29f0, 0 0 0 -2px #4f29f0, 0 0 0 -2px #4f29f0;
  }
  30% { opacity: 1; }
  100% {
    opacity: 0;
    box-shadow: 0 -15px 0 0px #4f29f0, 14px -8px 0 0px #4f29f0, 14px 8px 0 0px #4f29f0, 0 15px 0 0px #4f29f0, -14px 8px 0 0px #4f29f0, -14px -8px 0 0px #4f29f0;
  }
}