* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(#4b79a1, #283e51);
  color: #fff;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.app {
  width: 100%;
  max-width: 1000px;
  background: rgba(0, 0, 0, 0.15);
  border-radius: 24px;
  padding: 24px;
  display: grid;
  grid-template-columns: 1.1fr 1.4fr;
  gap: 24px;
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

@media (max-width: 768px) {
  .app {
    grid-template-columns: 1fr;
  }
}

h1 {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.subtitle {
  font-size: 0.9rem;
  opacity: 0.9;
  margin-bottom: 16px;
}

/* 컨트롤 영역 */
.controls {
  background: rgba(0, 0, 0, 0.25);
  border-radius: 18px;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.control-label {
  font-size: 0.95rem;
  font-weight: 600;
}

select,
input[type="color"],
button {
  border-radius: 999px;
  border: none;
  padding: 8px 14px;
  font-size: 0.9rem;
  font-family: inherit;
}

select,
input[type="color"] {
  outline: none;
}

input[type="color"] {
  padding: 1px;
  cursor: pointer;
}

button {
  cursor: pointer;
  font-weight: 600;
  background: #ffe082;
  color: #333;
  transition: transform 0.08s ease, box-shadow 0.08s ease, background 0.1s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
  margin-top: 4px;
}

button:hover {
  background: #ffecb3;
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.3);
}

button:active {
  transform: translateY(0);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.3);
}

/* 미리보기 영역 */
.preview-wrapper {
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.28), transparent 55%);
  border-radius: 18px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.preview-title {
  font-size: 1rem;
  font-weight: 600;
}

.scene {
  border-radius: 16px;
  background: linear-gradient(to top, #e0f7fa 0%, #f5fbff 50%, #e3f2fd 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  justify-content: center;

  width: 100%;
  max-width: 500px;
  aspect-ratio: 1 / 1; /* 정사각형 */
  margin: 0 auto;
  padding-bottom: 40px;
}

.ground {
  position: absolute;
  bottom: -10px;
  left: -20%;
  right: -20%;
  height: 90px;
  background: #ffffff;
  border-radius: 50% 50% 0 0;
  box-shadow: 0 -6px 20px rgba(0, 0, 0, 0.12);
}

/* 눈송이 */
.snowflake {
  position: absolute;
  width: 4px;
  height: 4px;
  background: #fff;
  border-radius: 50%;
  opacity: 0.9;
  animation: fall 10s linear infinite;
}

@keyframes fall {
  0% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(120vh);
  }
}

/* 눈사람 기본 */
.snowman {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0px;
  z-index: 2;
}

.snowman.medium {
  transform: scale(1);
}

.snow-ball {
  background: #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(200, 225, 255, 0.6),
    0 12px 12px rgba(0, 0, 0, 0.15);
  position: relative;
}

.snow-ball.bottom {
  width: 160px;
  height: 160px;
  margin-top: -25px;
}

.snow-ball.middle {
  width: 120px;
  height: 120px;
  margin-top: -5px;
  z-index: 1;
}

.snow-ball.head {
  width: 90px;
  height: 90px;
  margin-top: 0px;
  z-index: 2;
}

/* 얼굴 */
.eyes {
  position: absolute;
  top: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 16px;
}

.eye {
  width: 10px;
  height: 10px;
  background: #222;
  border-radius: 50%;
}

.mouth {
  position: absolute;
  top: 52px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 4px;
}

.mouth-dot {
  width: 5px;
  height: 5px;
  background: #333;
  border-radius: 50%;
}

.carrot-nose {
  position: absolute;
  top: 42px;
  left: 50%;
  width: 28px;
  height: 10px;
  background: #ff8a65;
  border-radius: 999px;
  transform-origin: left center;
  transform: translateX(-5px) rotate(-3deg);
  box-shadow: 0 0 3px rgba(0, 0, 0, 0.25);
}

/* 단추 */
.buttons {
  position: absolute;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.button-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #333;
}

/* 팔(나뭇가지) */
.arm {
  position: absolute;
  top: 40px;
  width: 70px;
  height: 4px;
  background: #6d4c41;
  transform-origin: center left;
  border-radius: 999px;
}

.arm.left {
  left: -60px;
  transform: rotate(-10deg);
}

.arm.right {
  right: -60px;
  transform-origin: center right;
  transform: rotate(10deg);
}

/* 모자 스타일 */
.hat {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translate(-50%, 12px);
}

.hat-none {
  display: none;
}

.hat-classic {
  width: 70px;
  height: 40px;
  background: #212121;
  border-radius: 6px 6px 10px 10px;
  position: relative;
}

.hat-classic::before {
  content: "";
  position: absolute;
  bottom: -8px;
  left: -10px;
  right: -10px;
  height: 8px;
  background: #212121;
  border-radius: 999px;
}

.hat-classic::after {
  content: "";
  position: absolute;
  top: 14px;
  left: 0;
  right: 0;
  height: 8px;
  background: #e53935;
}

.hat-beanie {
  width: 70px;
  height: 40px;
  background: #ff7043;
  border-radius: 40px 40px 10px 10px;
  position: relative;
}

.hat-beanie::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 50%;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #ffcc80;
  transform: translateX(-50%);
}

.hat-beanie::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: -8px;
  right: -8px;
  height: 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.1);
}

.hat-ears {
  width: 70px;
  height: 12px;
  background: #5c6bc0;
  border-radius: 999px;
  position: relative;
}

.hat-ears::before,
.hat-ears::after {
  content: "";
  position: absolute;
  top: -18px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #5c6bc0;
}

.hat-ears::before {
  left: 0;
}

.hat-ears::after {
  right: 0;
}

/* 베레모 */
.hat-beret {
  width: 60px;
  height: 22px;
  background: #5d5bd6;
  border-radius: 999px;
  position: relative;
}

.hat-beret::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 18px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #5d5bd6;
}

/* 산타 모자 */
.hat-santa {
  width: 70px;
  height: 34px;
  background: #e53935;
  border-radius: 34px 34px 10px 10px;
  position: relative;
}

.hat-santa::before {
  content: "";
  position: absolute;
  bottom: -10px;
  left: -6px;
  right: -6px;
  height: 16px;
  border-radius: 999px;
  background: #ffffff;
}

.hat-santa::after {
  content: "";
  position: absolute;
  top: -10px;
  right: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ffffff;
}

.preview-footer {
  margin-top: 8px;
  font-size: 0.85rem;
  opacity: 0.9;
  display: flex;
  justify-content: flex-end;
}

/* 목도리 */
.scarf {
position: absolute;
top: 70px;
left: 50%;
transform: translateX(-50%);
}

.scarf-main {
width: 85px;
height: 18px;
border-radius: 999px;
background-color: var(--scarf-color, #ff5252);
}

.scarf-tail {
position: absolute;
top: 16px;
left: 10px;
width: 18px;
height: 40px;
border-radius: 999px;
background-color: var(--scarf-color, #ff5252);
}

.scarf-tail.secondary {
left: 24px;
height: 32px;
opacity: 0.85;
}

@media screen and (max-width: 600px) {

.scene {
  width: 100%;
  height: 420px; 
  margin: 0 auto;
  padding: 0;

  display: flex;
  justify-content: center;
  align-items: flex-end;
  overflow: hidden; 
}

.snowman {
  transform: scale(0.34) translateY(0px);
  transform-origin: bottom center;
}

.ground {
  height: 65px;
  bottom: -20px;
}
}