:root{
    --gold: #F4C430;
    --gold-deep: #E0A800;
    --red: #D64545;
    --blue: #3B7CF5;
    --blue-deep: #1E54C8;
    --ink: #101014;
    --charcoal: #1B1B22;
    --charcoal-2: #24242E;
    --cream: #EFEAE0;
    --cream-dim: #A9A6AE;
    --line-gold: rgba(244,196,48,0.35);
  }

  *{ box-sizing: border-box; }
  html, body{ margin:0; padding:0; }
  body{
    font-family: 'Noto Sans KR', sans-serif;
    background: var(--ink);
    color: var(--cream);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
  }
  h1,h2,h3{ font-family:'Black Han Sans', sans-serif; font-weight:400; margin:0; }
  p{ margin:0; }
  button{ font-family:'Noto Sans KR', sans-serif; cursor:pointer; }
  img{ max-width:100%; display:block; }

  /* 필름 그레인 + 비네트 오버레이 */
  body::before{
    content:"";
    position: fixed;
    inset:0;
    z-index: 999;
    pointer-events:none;
    background-image: url("../images/noise.svg");
    mix-blend-mode: overlay;
    opacity:0.6;
  }

  .app-shell{
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    position: relative;
    padding: 0 0 40px;
    display:flex;
    flex-direction:column;
    background:
      radial-gradient(ellipse 900px 500px at 50% -10%, rgba(244,196,48,0.10), transparent 60%),
      repeating-linear-gradient(135deg, rgba(255,255,255,0.018) 0 3px, transparent 3px 26px),
      linear-gradient(180deg, #16161D 0%, #101014 45%, #0C0C10 100%);
  }

  /* ===== 진행률: 레이스 트랙 ===== */
  .progress-header{
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(16,16,20,0.92);
    backdrop-filter: blur(6px);
    padding: 14px 20px 12px;
    border-bottom: 1px solid rgba(244,196,48,0.2);
  }
  .progress-label{
    font-family:'Black Han Sans', sans-serif;
    text-align:center;
    font-size: 13px;
    color: var(--cream-dim);
    margin-bottom: 8px;
    letter-spacing: 1px;
  }
  .progress-label b{ color: var(--gold); font-size:16px; }
  .road-track{
    position: relative;
    height: 30px;
    background: linear-gradient(180deg, #2A2A34, #17171D);
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid rgba(244,196,48,0.25);
    box-shadow: inset 0 2px 6px rgba(0,0,0,0.6);
  }
  .road-dashes{
    position:absolute;
    top:50%; left:0; right:0;
    height: 3px;
    transform: translateY(-50%);
    background-image: repeating-linear-gradient(90deg, var(--gold) 0 14px, transparent 14px 26px);
    opacity:0.55;
  }
  .race-car{
    position:absolute;
    top:50%;
    left:2px;
    transform: translate(0,-50%);
    font-size: 20px;
    transition: left 0.5s cubic-bezier(.34,1.56,.64,1);
    filter: drop-shadow(0 0 6px rgba(244,196,48,0.9));
  }
  .finish-flag{
    position:absolute;
    top:50%;
    right:6px;
    transform: translateY(-50%);
    font-size: 16px;
    opacity:0.85;
  }

  /* ===== 화면 전환 ===== */
  main{ flex:1; display:flex; }
  .screen{
    display:none;
    width:100%;
    padding: 24px 20px;
    animation: fadeSlideIn 0.5s ease;
    position: relative;
  }
  .screen.active{ display:block; }
  @keyframes fadeSlideIn{
    from{ opacity:0; transform: translateY(16px); }
    to{ opacity:1; transform: translateY(0); }
  }

  /* ===== 코너 프레임 장식 (카메라 뷰파인더 모티프) ===== */
  .corner-frame{ position:relative; }
  .corner-frame .corner{ position:absolute; width:18px; height:18px; border-color: var(--gold); z-index:2; }
  .corner-frame .corner.tl{ top:-1px; left:-1px; border-top:3px solid; border-left:3px solid; border-radius: 4px 0 0 0;}
  .corner-frame .corner.tr{ top:-1px; right:-1px; border-top:3px solid; border-right:3px solid; border-radius: 0 4px 0 0;}
  .corner-frame .corner.bl{ bottom:-1px; left:-1px; border-bottom:3px solid; border-left:3px solid; border-radius: 0 0 0 4px;}
  .corner-frame .corner.br{ bottom:-1px; right:-1px; border-bottom:3px solid; border-right:3px solid; border-radius: 0 0 4px 0;}

  /* ===== 인트로 화면 ===== */
  .ribbon-badge{
    display:inline-block;
    background: linear-gradient(135deg, #5B94FF, var(--blue-deep));
    color: #fff;
    font-family:'Black Han Sans', sans-serif;
    font-size: 12.5px;
    letter-spacing: 0.5px;
    padding: 7px 16px 7px 14px;
    clip-path: polygon(0 0, 100% 0, 96% 100%, 0% 100%);
    transform: rotate(-2deg);
    box-shadow: 0 4px 14px rgba(59,124,245,0.4);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
  }
  .deco-jet{
    position:absolute;
    top:16px;
    right:8px;
    width:34px;
    height:34px;
    color: var(--gold);
    opacity:0.16;
    pointer-events:none;
    transform: rotate(25deg);
    z-index:0;
  }
  .deco-jet svg{ width:100%; height:100%; }
  .intro-title{
    font-size: 40px;
    line-height: 1.28;
    margin-bottom: 14px;
    color: var(--gold);
    -webkit-text-stroke: 1.5px #000;
    text-shadow:
      2px 2px 0 #000,
      -1px -1px 0 #000,
      1px -1px 0 #000,
      -1px 1px 0 #000,
      0 8px 24px rgba(0,0,0,0.55);
    letter-spacing: 0.5px;
  }
  .intro-title .accent{ color: var(--red); }
  .intro-sub{
    font-size: 15px;
    color: var(--cream-dim);
    line-height: 1.65;
    margin-bottom: 24px;
  }
  .cover-frame{
    width: 66%;
    margin: 0 auto 26px;
    position:relative;
    border-radius: 6px;
    overflow:hidden;
    box-shadow: 0 24px 50px -10px rgba(0,0,0,0.7), 0 0 0 1px rgba(244,196,48,0.3);
    transform: rotate(-1.2deg);
  }
  .cover-frame img{ width:100%; display:block; }
  .cover-frame::after{
    content:"";
    position:absolute; inset:0;
    background: linear-gradient(180deg, rgba(0,0,0,0) 60%, rgba(0,0,0,0.35) 100%);
    pointer-events:none;
  }

  .btn-primary{
    width:100%;
    background: linear-gradient(180deg, #FFDE6E, var(--gold-deep));
    border: none;
    border-radius: 8px;
    padding: 17px 20px;
    font-family:'Black Han Sans', sans-serif;
    font-size: 18px;
    color: var(--ink);
    letter-spacing: 0.5px;
    box-shadow: 0 10px 24px -6px rgba(244,196,48,0.5), inset 0 1px 0 rgba(255,255,255,0.4);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
  }
  .btn-primary:active{
    transform: translateY(2px);
    box-shadow: 0 4px 12px -4px rgba(244,196,48,0.4);
  }
  .btn-secondary{
    width:100%;
    background: transparent;
    border: 1.5px solid rgba(244,196,48,0.45);
    border-radius: 8px;
    padding: 15px 20px;
    font-family:'Black Han Sans', sans-serif;
    font-size: 15.5px;
    color: var(--gold);
    letter-spacing: 0.5px;
    transition: all 0.15s ease;
  }
  .btn-secondary:active{ background: rgba(244,196,48,0.08); }
  .intro-meta{
    display:flex;
    justify-content:center;
    gap:18px;
    margin-top:18px;
    font-size:12px;
    color:#6B6B77;
  }

  /* ===== 질문 화면 ===== */
  .q-card{
    background: linear-gradient(160deg, var(--charcoal-2), var(--charcoal));
    border: 1px solid rgba(244,196,48,0.18);
    border-radius: 10px;
    padding: 28px 22px;
    margin-bottom: 22px;
    box-shadow: 0 20px 40px -18px rgba(0,0,0,0.7);
  }
  .q-index{
    font-family:'Black Han Sans', sans-serif;
    color: var(--gold);
    font-size: 14px;
    margin-bottom: 10px;
    letter-spacing: 1px;
  }
  .q-text{
    font-size: 22px;
    line-height:1.5;
    color: var(--cream);
    font-weight: 700;
    font-family: 'Noto Sans KR', sans-serif;
  }
  .options{
    display:flex;
    flex-direction:column;
    gap: 11px;
  }
  .option-btn{
    display:flex;
    align-items:center;
    gap:13px;
    background: var(--charcoal-2);
    border: 1px solid rgba(244,196,48,0.15);
    border-left: 3px solid rgba(244,196,48,0.15);
    border-radius: 8px;
    padding: 15px 16px;
    font-size: 15px;
    font-weight:500;
    text-align:left;
    color: var(--cream);
    transition: all 0.15s ease;
  }
  .option-btn .opt-mark{
    flex:0 0 auto;
    width: 25px;
    height: 25px;
    border-radius:4px;
    border: 1.5px solid rgba(244,196,48,0.4);
    display:flex;
    align-items:center;
    justify-content:center;
    font-family:'Black Han Sans',sans-serif;
    font-size:12px;
    color: var(--gold);
    background: rgba(244,196,48,0.06);
  }
  .option-btn:active{ background: rgba(244,196,48,0.1); }
  .option-btn.selected{
    background: rgba(244,196,48,0.14);
    border-left-color: var(--gold);
    border-color: rgba(244,196,48,0.5);
  }
  .option-btn.selected .opt-mark{
    background: var(--gold);
    color: var(--ink);
    border-color: var(--gold);
  }
  .nav-row{
    display:flex;
    justify-content: flex-start;
    margin-top: 18px;
  }
  .btn-prev{
    background:none;
    border:none;
    color: var(--cream-dim);
    font-size:13.5px;
    font-weight:700;
    display:flex;
    align-items:center;
    gap:4px;
    padding: 6px 4px;
  }
  .btn-prev:disabled{ visibility:hidden; }

  /* ===== 결과 화면 ===== */
  .result-burst{
    text-align:center;
    font-size: 34px;
    margin-bottom: 6px;
    filter: drop-shadow(0 0 10px rgba(244,196,48,0.5));
  }
  .result-lead{
    text-align:center;
    font-size:14.5px;
    color: var(--cream-dim);
    margin-bottom: 4px;
  }
  .result-name{
    text-align:center;
    font-size: 42px;
    color: var(--gold);
    margin: 6px 0 22px;
    -webkit-text-stroke: 1.5px #000;
    text-shadow: 2px 2px 0 #000, -1px -1px 0 #000, 1px -1px 0 #000, -1px 1px 0 #000, 0 10px 26px rgba(0,0,0,0.6);
  }
  .result-card{
    background: var(--charcoal);
    border: 1px solid rgba(244,196,48,0.2);
    border-radius: 12px;
    overflow:hidden;
    margin-bottom: 20px;
    box-shadow: 0 24px 50px -16px rgba(0,0,0,0.8);
  }

  /* 결과 히어로: 실사 사진을 풀블리드 배경으로, 하단에 그라디언트+캡션 */
  .result-hero{
    position:relative;
    min-height: 340px;
    display:flex;
    align-items:flex-end;
    justify-content:center;
    text-align:center;
    background-color: #16161d;
    background-size: cover;
    background-position: center;
    padding: 26px 22px 22px;
    border-bottom: 1px solid rgba(244,196,48,0.2);
  }
  .result-hero .emoji-big{
    font-size: 92px;
    display:block;
    line-height:1;
    margin: 40px 0 14px;
    filter: drop-shadow(0 14px 20px rgba(0,0,0,0.6));
  }
  .result-hero.has-photo .emoji-big{ display:none; }
  .result-hero .veh-title{
    position:relative;
    z-index: 2;
    font-size: 19px;
    line-height:1.45;
    color: #fff;
    font-weight:700;
    text-shadow: 0 2px 12px rgba(0,0,0,0.9), 0 0 26px rgba(0,0,0,0.7);
  }
  .result-body{ padding: 24px 22px; display:flex; flex-direction:column; gap:19px; }
  .result-block .label{
    font-family:'Black Han Sans', sans-serif;
    font-size: 12.5px;
    color: var(--gold);
    display:flex;
    align-items:center;
    gap:6px;
    margin-bottom:7px;
    letter-spacing: 0.5px;
  }
  .result-block .label::before{
    content:"";
    width:14px; height:2px;
    background: var(--gold);
    display:inline-block;
  }
  .result-block p{ font-size: 14.5px; line-height:1.75; color: var(--cream-dim); }
  .book-cta{
    display:flex;
    align-items:center;
    gap:14px;
    background: rgba(244,196,48,0.06);
    border: 1px solid rgba(244,196,48,0.3);
    border-radius: 10px;
    padding: 14px;
  }
  .book-cta img{ width:52px; border-radius:3px; flex:0 0 auto; box-shadow: 0 6px 14px rgba(0,0,0,0.5); }
  .book-cta .book-text{ font-size:13px; line-height:1.55; color: var(--cream-dim); }
  .book-cta .book-text b{ display:block; font-family:'Black Han Sans',sans-serif; font-size:14.5px; margin-bottom:3px; color: var(--gold); }

  .result-actions{
    display:flex;
    gap: 10px;
    margin-top: 8px;
  }
  .result-actions button{ flex:1; }

  .purchase-panel{
    position:relative;
    margin-top: 18px;
    padding: 24px 18px 18px;
    background: linear-gradient(135deg, #FFDE6E 0%, var(--gold) 45%, var(--red) 130%);
    border-radius: 16px;
    box-shadow: 0 18px 38px -14px rgba(214,69,69,0.5), inset 0 1px 0 rgba(255,255,255,0.35);
    overflow: visible;
  }
  .purchase-tab{
    position:absolute;
    top:-15px;
    left:18px;
    background: var(--ink);
    color: var(--gold);
    font-family:'Black Han Sans', sans-serif;
    font-size: 13px;
    letter-spacing: 0.5px;
    padding: 7px 16px;
    border-radius: 7px;
    transform: rotate(-3deg);
    box-shadow: 0 8px 16px rgba(0,0,0,0.45);
  }
  .btn-purchase{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    width:100%;
    text-align:center;
    text-decoration:none;
    background: linear-gradient(180deg, #26262F, var(--ink));
    color: var(--gold);
    font-family:'Black Han Sans', sans-serif;
    font-size: 17px;
    letter-spacing: 0.5px;
    padding: 16px 20px;
    border-radius: 9px;
    box-shadow: 0 8px 18px -6px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.08);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
  }
  .btn-purchase:active{
    transform: translateY(2px);
    box-shadow: 0 4px 10px -4px rgba(0,0,0,0.4);
  }

  footer.credit{
    text-align:center;
    font-size: 11px;
    color:#55555F;
    margin-top: 30px;
    letter-spacing: 0.5px;
  }

  .disclaimer{
    text-align:center;
    font-size: 12.5px;
    line-height:1.7;
    color: var(--cream-dim);
    margin-top: 16px;
    padding: 12px 16px;
    background: rgba(244,196,48,0.07);
    border: 1px solid rgba(244,196,48,0.22);
    border-radius: 10px;
  }

  /* ===== 공유 카드 모달 ===== */
  .share-modal{
    position: fixed;
    inset:0;
    background: rgba(6,6,8,0.78);
    z-index: 1000;
    display:flex;
    align-items:center;
    justify-content:center;
    padding: 20px;
  }
  .share-modal[hidden]{ display:none; }
  .share-modal-inner{
    background: var(--charcoal);
    border-radius: 14px;
    border: 1px solid rgba(244,196,48,0.3);
    padding: 18px;
    max-width: 360px;
    width:100%;
    max-height: 92vh;
    overflow-y:auto;
    box-shadow: 0 30px 60px rgba(0,0,0,0.6);
  }
  #shareCanvas{ display:none; }
  #shareImagePreview{
    width:100%;
    border-radius: 10px;
    border: 1px solid rgba(244,196,48,0.25);
    display:block;
    margin-bottom: 14px;
  }
  .share-modal-actions{ display:flex; flex-direction:column; gap:10px; }
  .share-loading{
    text-align:center;
    font-size: 13.5px;
    color: var(--cream-dim);
    padding: 40px 0;
  }

  @media (min-width: 520px){
    .intro-title{ font-size: 44px; }
  }