/*폰트 설정*/

@font-face {
    font-family: 'Aggravo';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2108@1.1/SBAggroL.woff') format('woff');
    font-weight: 300;
    font-display: swap;}

@font-face {
    font-family: 'Aggravo';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2108@1.1/SBAggroM.woff') format('woff');
    font-weight: 500;
    font-display: swap;}

@font-face {
    font-family: 'Aggravo';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2108@1.1/SBAggroB.woff') format('woff');
    font-weight: 700;
    font-display: swap;}

@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-1Thin.woff2') format('woff2');
    font-weight: 100;
    font-display: swap;}

@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-2ExtraLight.woff2') format('woff2');
    font-weight: 200;
    font-display: swap;}

@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-3Light.woff2') format('woff2');
    font-weight: 300;
    font-display: swap;}

@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-4Regular.woff2') format('woff2');
    font-weight: 400;
    font-display: swap;}

@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-5Medium.woff2') format('woff2');
    font-weight: 500;
    font-display: swap;}

@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-6SemiBold.woff2') format('woff2');
    font-weight: 600;
    font-display: swap;}

@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-7Bold.woff2') format('woff2');
    font-weight: 700;
    font-display: swap;}

@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-8ExtraBold.woff2') format('woff2');
    font-weight: 800;
    font-display: swap;}

@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-9Black.woff2') format('woff2');
    font-weight: 900;
    font-display: swap;}


html
    {font-family: 'Paperozi';
    font-weight: 500;
    line-height: 1.2;
    word-break: keep-all;
    text-align: center;}

h1 {font-size:2.7rem; font-family: 'Aggravo'}
h2 {font-size:2rem;font-family: 'Aggravo'}
h3 {font-size:1.6rem;}
h4 {font-size:1.4rem;}
h5 {font-size:1.2rem; line-height: 1.5;}
p  {line-height: 1.5; font-size:1.2rem;}


/* 여백, 기본간격 초기화 */
  html, body, h1, h2, h3, h4, h5, p, ol, ul
  {margin: 0; padding: 0; box-sizing: border-box;}

p {padding-top:15px; padding-bottom: 50px;}

.page-wrapper {
  width: 1000px;
  margin: 0 auto;
}


/* ---------------------------
   BGM 상단 바
--------------------------- */

#bgm-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 44px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  z-index: 9999;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

#bgm-toggle {
  border: none;
  background: none;
  font-size: 20px;
  cursor: pointer;
}

#bgm-progress {
  flex: 1;
  height: 6px;
  appearance: none;
  background: #ddd;
  border-radius: 3px;
  outline: none;
}

#bgm-progress::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #333;
  cursor: pointer;
}



/* ------------------------------ */
/* 🏠 공통 : 홈 버튼 */
/* ------------------------------ */
.home-btn {
  position: fixed; top: 20px; left: 50px;
  background: #ddd;
  border: none;
  padding: 10px 15px;
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: 0.2s;
  width:90px;}
.home-btn:hover {background: #ccc;}

.back-btn {
  position: fixed; top: 20px; left: 150px;
  background: #ddd;
  border: none;
  padding: 10px 15px;
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: 0.2s;
  width:90px;}
.back-btn:hover {background: #ccc;}

/* ------------------------------ */
/* 📌 홈 화면(index.html) */
/* ------------------------------ */

.home-container {margin-top: 150px;}

.menu-buttons {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-top: 40px;
}

.menu-item {
  position: relative;
  text-align: center;
  width: 250px; 
}

.site-footer {
  color: #888;
  font-size: 1rem;
  padding-bottom: 30px;
  margin-top: 40px;
}

/* 버튼 기본 */
.menu-item button {
  width: 250px;  
  height: 300px;
  border-radius: 24px;
  border: none;

  font-family: 'Aggravo', sans-serif; /* 변경 */
  font-size: 2rem;                    /* 변경 */
  font-weight: 600;

  cursor: pointer;
  color: #222;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}


/* 호버 시 살짝 튀어나오기 */
.menu-item button:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.15);
  color:white
}

/* 설명 텍스트 */
.menu-desc {
  margin-top: 12px;
  font-size: 14px;
  color: #555;
  opacity: 0;
  transform: translateY(-4px);
  transition: 0.25s ease;
  pointer-events: none;
}

/* 버튼에 호버하면 설명 표시 */
.menu-item:hover .menu-desc {
  opacity: 1;
  transform: translateY(0);
}

/* ---------------------------
   버튼 색상
--------------------------- */

.menu-item.pink button {
  background: #ffb3c7;
}

.menu-item.yellow button {
  background: #ffe066;
}

.menu-item.green button {
  background: #b7f0ad;
}

.menu-item.blue button {
  background: #a7d8ff;
}



.menu-btn {
  width: 250px;
  height: 150px;
  border-radius: 24px;
  border: none;

  font-family: 'Aggravo', sans-serif;
  font-size: 2rem;
  font-weight: 600;

  cursor: pointer;
  background: #fff;
  color: #222;

  transition: 
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.menu-btn.pink {
  background: #fdd7df;
}

.menu-btn:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

.menu-desc {
  margin-top: 14px;
  font-size: 14px;
  color: #444;
  opacity: 0;
  transform: translateY(-6px);
  transition: 0.25s ease;
}

.menu-item:hover .menu-desc {
  opacity: 1;
  transform: translateY(0);
}




/* ------------------------------ */
/* 🎮 색상 맞추기 모드 선택 페이지 */
/* ------------------------------ */
.mode-page {margin-top: 150px;}

.mode-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 30px;}

.mode-buttons button {
  width: 300px;
  padding-top: 100px; padding-bottom: 100px;
   font-family: Aggravo; font-size: 2rem;
  border-radius: 20px;
  border: none;
  background: #fdc3c3;
  color: #222;
  cursor: pointer;
  transition: 0.2s;}

.mode-buttons button:hover {
  background: #444;
  color: white;}

/* ------------------------------ */
/* 🎨 색상 맞추기 페이지 (연습/실전 공통) */
/* ------------------------------ */

.color-page {
  text-align: center;
  background-color: white;
  padding: 40px;
  max-width: 600px;
  margin: 80px auto;
  position: relative;
}

.color-page h2 {
  margin-bottom: 30px;
}

/* ------------------------------ */
/* 🎯 실전 모드 문제 번호 표시 */
/* ------------------------------ */
.quiz-status {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 1rem;
  font-weight: bold;
}

/* ------------------------------ */
/* 🎨 제시된 색 */
/* ------------------------------ */
.sample-section {
  margin-bottom: 30px;}

.label {
  font-size: 0.9rem;
  padding-top: 40px;
  padding-bottom:10px;
  color: #444;}

.sample-color {
  width: 150px;
  height: 150px;
  border-radius: 10px;
  border: 2px solid #ccc;
  margin: 0 auto 12px;}

#changeColorBtn {
  background-color: #f2f2f2;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: 0.3s;
  font-size: 0.9rem;}
#changeColorBtn:hover {
  background-color: #ddd;}

/* ------------------------------ */
/* 🎛 내 색상 선택 */
/* ------------------------------ */
.select-section {
  margin-bottom: 40px;}

#colorPicker {
  display: block;
  margin: 0 auto;
  width: 160px;
  height: 160px;
  cursor: pointer;
  border-radius: 10px;
}

/* ------------------------------ */
/* ✔ 결과 확인 */
/* ------------------------------ */

#checkResult, #nextBtn {
  background-color: #222;
  color: white;
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  width:110px;
  font-size: 1rem;
  cursor: pointer;
  transition: 0.3s;
}

#checkResult:hover, #nextBtn:hover {
  background-color: #444;}

#retryBtn {
  background:#222; 
  color:white;
  border: none;
  font-size:1rem;
  padding:10px 18px; 
  width:110px;
  border-radius: 8px;
  cursor: pointer;
}

#retryBtn:hover {
  background: #333;}

#resultText {
  font-weight: bold;
  padding-bottom: 10px;
  padding-top: 30px}

/* ------------------------------ */
/* 🏁 실전 모드 결과 페이지 */
/* ------------------------------ */
.result-page {
  margin: 80px auto;
  padding: 40px;
  max-width: 700px;}

.result-item {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 15px 0;
  justify-content: center;}

.color-box {
  width: 80px;
  height: 80px;
  border-radius: 10px;
  border: 2px solid #ccc;}

#finalScore {
  margin-top: 40px;
  font-size: 1.5rem;
  font-weight: bold;}



/* ------------------------------ */
/* 착시 페이지 */
/* ------------------------------ */
.illusion-page {
  margin-top: 150px;
  margin: 80px auto;
  padding: 80px;
  max-width: 1500px;}

/* 그리드 → 완전한 정렬 대신 “자유 배치 느낌” */
.illusion-grid {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 80px;
  justify-content: center;
  padding: 20px;
  perspective: 800px;
}

/* 썸네일*/
.illusion-thumb {
  width: 260px;
  height: calc(260px / 1.294);
  background-size: cover;
  background-position: center;
  border-radius: 18px;
  cursor: pointer;

  animation: float3d 4.5s ease-in-out infinite;
  animation-delay: var(--delay);

  transform:
    translate(var(--tx), var(--ty))
    rotate(var(--rot))
    translateZ(0);
}

.illusion-thumb:hover {
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.25);
  filter: brightness(1.08);
  z-index: 10;
}

/* 둥둥 떠다니기 */
@keyframes float3d {
  0% {
    transform:
      translate(var(--tx), var(--ty))
      rotate(var(--rot))
      translateZ(0);
  }
  50% {
    transform:
      translate(
        calc(var(--tx) + 5px),
        calc(var(--ty) - 6px)
      )
      rotate(var(--rot))
      translateZ(10px);
  }
  100% {
    transform:
      translate(var(--tx), var(--ty))
      rotate(var(--rot))
      translateZ(0);
  }
}

/* 모달 전체 */
.illusion-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  justify-content: center;
  align-items: center;}

.modal-content {
  padding: 30px;
  position: relative;
  width: 1000px;
  text-align: center;}

/* 이미지 영역 더 크게*/
.illusion-view {
  position: relative;
  width: 1100px;
  height: 850px;
  margin: 0 auto 25px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  background: #f4f4f4;}

/* 아래 이미지 */
.bottom-img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;}

/* 위 이미지 */
.top-img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: translateX(-100%);  
  transition: transform 0.1s linear;}

#slider {
  width: 1100px;
  margin-top: 20px;}



/* ------------------------------------- */
/* 패스 생성하기 페이지 전용 스타일 */
/* ------------------------------------- */
.pathgen-container {

  margin: 0 auto;
  justify-content: center;
  margin-top: 150px;}

svg {padding-bottom: 40px; overflow: visible;}

.controls {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 20px;
  text-align: left;
  max-width: 800px;
  margin: auto;
  padding-top: 10px;
}

.controls label {
  display: flex;
  flex-direction: column;
  font-size: 14px;
}

.controls input,
.controls select {
  margin-top: 4px;
}

/* 컬러 인풋 커스텀 */
.controls input[type="color"] {
  width: 800px;
  height: 20px;
  padding: 0;
  border: none;
  border-radius: 999px;
  border-radius: 4px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background: none;
}

.controls input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

.controls input[type="color"]::-webkit-color-swatch {
  border: none;
}



.btns {
  grid-column: span 2;
  display: flex;
  gap: 12px;
  margin-top: 10px;
}

.btns button {
  flex: 1;
  padding: 10px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
}

/* ------------------------------------- */
/* 길이 가늠하기 페이지*/
/* ------------------------------------- */

.size-card {
    background: #fff;
    padding: 40px 32px;
    text-align: center;
}

.size-hidden { display: none; }

.size-desc {
    color: #666;
    font-size: 15px;
    margin-bottom: 24px;
}

/* 버튼 */

.size-btn-group {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.size-btn {
    padding: 12px 20px;
    background: #222;
    color: #fff;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 15px;
    transition: 0.2s;
}

.size-btn:hover {
    background: #444;
}

/* 문제 영역 */
.size-red-area {
    position: relative;
    width: 800px;
    height: 50px;
    margin: 30px auto;
}

.size-line-area {
    position: relative;
    width: 800px;
    height: 500px;
    margin: 30px auto;
}

/* 모든 선 공통 */
.size-line {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    transform-origin: center center;   /* 🔥 핵심 수정 */
}

/* 1cm 기준선 */
.size-line-cm {
    background: #ff3b30;
    height: 3px;
}

/* 문제 선 */
.size-line-quiz {
    background: #333;
    top: 200px;}

.size-line-drag {
    background: #007aff;
    cursor: ew-resize;
    top: 170px;
    left: 50%;
    transform: translateX(-50%);
}

.size-line-user {
    background: #52d0fe;          /* 파란색 */
    opacity: 0.7;
    top: 200px;                   /* 문제 선과 같은 높이 */
}

/* 입력 영역 */

.size-controls {
    margin-top: 20px;
}

.size-controls input[type="number"] {
    padding: 10px 12px;
    width: 140px;
    border-radius: 10px;
    border: 1px solid #bbb;
    margin-bottom: 12px;
}

/* 결과 텍스트 */

.size-result {
    font-size: 17px;
    font-weight: 600;
    margin-top: 16px;
}