/* ============================================================
   봉투연구소 — 경조사 봉투 문구 생성기
   콘셉트: "봉투 그 자체" — 한지 바탕, 경사(진홍·금) ↔ 조사(먹·백) 테마 전환
   ============================================================ */
:root{
  --hanji:#f7f3ea;          /* 한지 배경 */
  --hanji-2:#efe9da;
  --paper:#fffdf8;          /* 카드 */
  --ink:#26211a;
  --ink-soft:#4c453a;
  --sub:#8b8271;
  --line:#e5ddc9;
  --line-2:#d9cfb6;
  --accent:#b5303f;         /* 경사 진홍 */
  --accent-deep:#8e1f2d;
  --accent-bg:#f9e9e8;
  --gold:#96742c;
  --radius:14px;
  --shadow:0 8px 30px rgba(70,50,30,.10);
  --maxw:980px;
  --serif:"Noto Serif KR",serif;
  --sans:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Malgun Gothic",sans-serif;
}
/* 조사(弔事) 테마 — 상황이 조의/추모일 때 body에 부여 */
body.theme-jo{
  --accent:#3d4148;
  --accent-deep:#22252a;
  --accent-bg:#e9eaec;
  --gold:#5d6470;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
[id]{scroll-margin-top:74px}
body{
  font-family:var(--sans);color:var(--ink-soft);background:var(--hanji);
  background-image:radial-gradient(circle at 12% 15%, rgba(255,255,255,.55), transparent 40%),
                   radial-gradient(circle at 90% 85%, rgba(205,190,155,.22), transparent 45%);
  line-height:1.7;word-break:keep-all;-webkit-font-smoothing:antialiased;
  transition:background .3s;
}
img,svg{max-width:100%;vertical-align:middle}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{font-family:var(--serif);color:var(--ink);line-height:1.35;letter-spacing:-.01em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(247,243,234,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar .in{max-width:var(--maxw);margin:0 auto;padding:0 20px;height:58px;display:flex;align-items:center;gap:16px}
.brand{font-family:var(--serif);font-weight:700;font-size:19px;color:var(--ink);display:flex;align-items:center;gap:9px}
.brand:hover{text-decoration:none}
.brand .ico{width:30px;height:30px;flex:none}
.brand small{font-family:var(--sans);font-size:11px;font-weight:500;color:var(--sub);margin-top:4px}
.topbar nav{margin-left:auto;display:flex;gap:4px}
.topbar nav a{padding:7px 11px;border-radius:9px;font-size:13.5px;font-weight:600;color:var(--ink-soft);white-space:nowrap}
.topbar nav a:hover{background:var(--hanji-2);text-decoration:none}
@media(max-width:640px){.topbar nav a.hide-m{display:none}}
@media(max-width:430px){
  .brand small{display:none}
  .topbar .in{gap:10px}
  .topbar nav a{padding:6px 8px;font-size:12.5px}
}

/* ---------- hero ---------- */
.hero{text-align:center;padding:46px 20px 26px}
.hero .badge{display:inline-block;font-size:12.5px;font-weight:700;color:var(--accent);background:#fff;border:1px solid var(--line-2);padding:6px 14px;border-radius:99px;margin-bottom:16px}
.hero h1{font-size:clamp(25px,4.4vw,37px);font-weight:700}
.hero p.lead{margin:14px auto 0;max-width:48ch;color:var(--ink-soft);font-size:15.5px}
.hero .note{margin-top:12px;font-size:12.5px;color:var(--sub)}

/* ---------- 생성기 레이아웃 ---------- */
.gen{max-width:var(--maxw);margin:12px auto 0;padding:0 20px;display:grid;grid-template-columns:1fr 420px;gap:26px;align-items:start}
@media(max-width:900px){.gen{grid-template-columns:1fr}}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.form-card{padding:24px}
.form-card h2{font-size:17.5px;margin-bottom:14px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:8px}
.field .hint{font-weight:500;color:var(--sub);font-size:12px;margin-left:4px}
select,input[type=text]{
  width:100%;padding:13px 14px;border-radius:10px;border:1.5px solid var(--line-2);
  font-size:16px;font-family:inherit;color:var(--ink);background:#fffdf8;outline:none;transition:.15s;
}
select:focus,input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(181,48,63,.12)}
.occ-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
@media(max-width:480px){.occ-grid{grid-template-columns:repeat(3,1fr)}}
.occ-grid button{padding:11px 4px;border-radius:10px;border:1.5px solid var(--line-2);background:#fffdf8;font-size:13.5px;font-weight:700;color:var(--ink-soft);cursor:pointer;font-family:inherit;transition:.14s}
.occ-grid button small{display:block;font-size:10px;color:var(--sub);font-weight:500;margin-top:2px}
.occ-grid button.on{border-color:var(--accent);background:var(--accent-bg);color:var(--accent)}
.occ-grid button.on small{color:var(--accent)}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:480px){.row-2{grid-template-columns:1fr}}
.seg{display:flex;gap:8px}
.seg button{flex:1;padding:10px 6px;border-radius:10px;border:1.5px solid var(--line-2);background:#fffdf8;font-size:13px;font-weight:700;color:var(--ink-soft);cursor:pointer;font-family:inherit;transition:.14s}
.seg button.on{border-color:var(--accent);background:var(--accent-bg);color:var(--accent)}
.tip{font-size:12px;color:var(--sub);background:var(--hanji-2);border-radius:9px;padding:10px 12px;margin-top:6px;line-height:1.6}
.tip b{color:var(--ink)}
.grade{display:inline-block;font-size:10px;font-weight:800;border-radius:5px;padding:1px 6px;vertical-align:1px;margin-left:5px}
.grade.a{background:#e7efe4;color:#38663c}
.grade.b{background:#f0ead9;color:#8a6d1f}

/* ---------- 봉투 미리보기 ---------- */
.preview-wrap{position:sticky;top:76px}
.stage{background:linear-gradient(160deg,#ece4d0,#e2d8bf);border-radius:var(--radius);padding:24px 20px;display:flex;flex-direction:column;align-items:center;box-shadow:var(--shadow);border:1px solid var(--line-2)}
body.theme-jo .stage{background:linear-gradient(160deg,#dcdde0,#c9cbd0)}
.stage .stage-label{font-size:12px;color:var(--sub);margin-bottom:14px;align-self:flex-start}
.side-toggle{display:flex;gap:6px;background:rgba(255,255,255,.5);padding:4px;border-radius:10px;margin-bottom:16px;width:100%}
.side-toggle button{flex:1;padding:9px;border:0;border-radius:8px;background:transparent;font-family:inherit;font-size:13.5px;font-weight:700;color:var(--sub);cursor:pointer;transition:.14s}
.side-toggle button.on{background:#fff;color:var(--ink);box-shadow:0 1px 4px rgba(0,0,0,.08)}

/* 봉투: 실물 100×205mm 비율(1:2.05) */
.env{
  width:170px;height:349px;background:#fefdf9;position:relative;border-radius:3px;
  box-shadow:0 10px 26px rgba(60,45,25,.22), inset 0 0 0 1px rgba(0,0,0,.05);
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.env::before{/* 봉투 덮개 라인 */
  content:"";position:absolute;top:0;left:0;right:0;height:46px;
  background:linear-gradient(#f4f1e7,#fefdf9);border-bottom:1px dashed #e4ddca;opacity:0;
}
.env.back::before{opacity:1}
.env .front-text{writing-mode:vertical-rl;text-orientation:upright;font-family:var(--serif);font-weight:600;color:#1c1710;letter-spacing:10px;font-size:34px;text-align:center}
.env .front-text.hangul{font-size:22px;letter-spacing:6px}
.env .front-text.long{font-size:26px;letter-spacing:6px}
.env .back-name{position:absolute;left:22px;bottom:26px;writing-mode:vertical-rl;text-orientation:upright;font-family:var(--serif);font-weight:600;font-size:21px;letter-spacing:5px;color:#1c1710}
.env .back-org{position:absolute;left:52px;top:40px;writing-mode:vertical-rl;text-orientation:upright;font-family:var(--serif);font-weight:500;font-size:13px;letter-spacing:3px;color:#4c453a}
.env .empty{color:#b3a88f;font-family:var(--serif);font-size:14px;writing-mode:vertical-rl;letter-spacing:4px}
.reading{margin-top:12px;font-size:13.5px;color:var(--ink-soft);text-align:center;font-weight:600;min-height:22px}
.reading small{display:block;font-weight:500;color:var(--sub);font-size:12px}
.actions{display:flex;gap:9px;margin-top:14px;width:100%}
.btn{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:7px;border:0;cursor:pointer;border-radius:11px;font-weight:700;font-family:inherit;font-size:14.5px;padding:13px 14px;transition:.15s}
.btn-main{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(0,0,0,.18)}
.btn-main:hover{background:var(--accent-deep)}
.btn-line{background:#fff;border:1.5px solid var(--line-2);color:var(--ink)}
.btn-line:hover{border-color:var(--accent)}
.stage-caption{margin-top:12px;font-size:12px;color:var(--sub);text-align:center;line-height:1.6}

/* ---------- 섹션 공통 ---------- */
.sec{max-width:var(--maxw);margin:0 auto;padding:42px 20px 0}
.sec h2{font-size:22px;margin-bottom:8px}
.sec .sec-sub{color:var(--sub);font-size:14.5px;margin-bottom:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:820px){.grid-3{grid-template-columns:1fr}}
.info-card{padding:20px 22px}
.info-card h3{font-size:16px;margin-bottom:8px}
.info-card p{font-size:13.5px}
.info-card .go{display:inline-block;margin-top:8px;font-size:13.5px;font-weight:700}
.callout{border-radius:12px;padding:15px 17px;margin:16px 0;font-size:14px;background:#fff;border:1px solid var(--line-2)}
.callout.warn{background:#fbf3e2;border-color:#e9d5a4}
.callout.plain{background:#f1f0eb;border-color:#dcd8c8}

/* ---------- FAQ ---------- */
.faq{max-width:var(--maxw);margin:0 auto;padding:0 20px;display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.faq-q{width:100%;text-align:left;padding:15px 18px;background:none;border:0;font-family:var(--sans);font-size:15px;font-weight:700;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;gap:12px}
.faq-q::after{content:"+";color:var(--accent);font-size:20px;flex:none}
.faq-item.open .faq-q::after{content:"−"}
.faq-a{display:none;padding:0 18px 15px;font-size:14.5px}
.faq-item.open .faq-a{display:block}

/* ---------- 문서 ---------- */
.doc{max-width:800px;margin:0 auto;padding:34px 20px}
.doc h1{font-size:28px;margin-bottom:8px}
.doc .lead{color:var(--sub);margin-bottom:24px;font-size:15px}
.doc h2{font-size:20px;margin:32px 0 10px}
.doc h3{font-size:16px;margin:20px 0 8px}
.doc p,.doc li{font-size:15px;margin:10px 0}
.doc ul,.doc ol{margin-left:22px}
.doc table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px;background:var(--paper);border-radius:10px;overflow:hidden;box-shadow:var(--shadow)}
.doc th{background:var(--ink);color:var(--hanji);padding:11px 12px;text-align:left;font-weight:600;white-space:nowrap}
.doc td{padding:10px 12px;border-bottom:1px solid var(--line)}
.doc tr:last-child td{border-bottom:0}
.doc td.hj{font-family:var(--serif);font-weight:700;color:var(--accent-deep);font-size:15.5px;white-space:nowrap}
.doc .src{font-size:12.5px;color:var(--sub)}
.doc .src a{color:var(--sub);text-decoration:underline}

/* 갖은자 변환기 */
.amount-tool{max-width:640px;margin:14px auto 0;padding:0 20px}
.amount-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px 22px}
.amount-card input[type=text]{font-size:20px;font-weight:700;text-align:right;letter-spacing:.02em}
.amount-out{margin-top:16px;background:var(--hanji-2);border-radius:12px;padding:20px;text-align:center}
.amount-out .han{font-family:var(--serif);font-size:clamp(22px,5vw,30px);font-weight:700;color:var(--ink);letter-spacing:.08em}
.amount-out .rd{font-size:13px;color:var(--sub);margin-top:6px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.chips button{padding:8px 13px;border-radius:99px;border:1.5px solid var(--line-2);background:#fff;font-family:inherit;font-size:13px;font-weight:700;color:var(--ink-soft);cursor:pointer;transition:.14s}
.chips button:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- 푸터 ---------- */
.foot{margin-top:56px;background:#2a2620;color:#bfb6a3;font-size:13px}
.foot .in{max-width:var(--maxw);margin:0 auto;padding:32px 20px 42px}
.foot .fb{font-family:var(--serif);color:#f0ead9;font-size:17px;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.foot p{margin:7px 0;line-height:1.7}
.foot a{color:#d6cbb4}
.foot a:hover{color:#fff}
.foot .disc{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:10px;padding:12px 14px;margin:14px 0;font-size:12.5px}

/* 모바일 */
input,select{font-size:16px}
@media(max-width:640px){
  .doc table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .env{width:150px;height:308px}
  .env .front-text{font-size:30px;letter-spacing:8px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* ---------- 인쇄: 봉투 실규격 100×205mm 앞·뒷면 ---------- */
@media print{
  body{background:#fff}
  .topbar,.hero,.form-card,.actions,.side-toggle,.sec,.faq,.foot,.stage-caption,.stage-label,.reading,.callout{display:none !important}
  .gen{display:block;padding:0;margin:0}
  .preview-wrap{position:static}
  .stage{background:none;box-shadow:none;border:0;padding:0}
  .print-sheet{display:flex !important;gap:6mm;padding:8mm 0 0 8mm;align-items:flex-start}
  .print-sheet .env{
    width:100mm;height:205mm;box-shadow:none;border-radius:0;border:1px dashed #999;
    display:flex;align-items:center;justify-content:center;background:#fff;overflow:visible;
  }
  .print-sheet .env::before{display:none}
  .print-sheet .env .front-text{font-size:19mm;letter-spacing:7mm}
  .print-sheet .env .front-text.hangul{font-size:12mm;letter-spacing:4mm}
  .print-sheet .env .front-text.long{font-size:14mm;letter-spacing:4mm}
  .print-sheet .env .back-name{left:14mm;bottom:18mm;font-size:11mm;letter-spacing:3mm}
  .print-sheet .env .back-org{left:30mm;top:24mm;font-size:6.5mm;letter-spacing:1.5mm}
  .print-note{display:block !important;font-size:9pt;color:#555;margin:4mm 0 0 8mm}
}
.print-sheet{display:none}
.print-note{display:none}