/* ============================================================
   WONDER 출판 — 낙서풍 디자인 시스템
   Layout: 넓은 종이 위에 손으로 그린 카드가 놓인 느낌.
   굵은 남색 외곽선 + 살짝 비뚤어진 모서리 + 오프셋 그림자가 "낙서"를 만든다.
   표지의 파스텔 레벨 컬러가 유일한 색 장식이고 나머지는 종이색/남색 두 가지.
============================================================ */
:root {
  /* color */
  --paper: #FFF9F4;      /* 종이 */
  --paper-2: #FFF1E8;    /* 살짝 진한 종이 (띠, 섹션) */
  --ink: #243B63;        /* 표지 Grammar 글자색 — 모든 선과 본문 */
  --ink-soft: #5F6E8C;
  --coral: #E8654F;      /* 표지 Reading 글자색 — 행동 버튼 */
  --coral-soft: #FBD9D1;
  --green: #2E7D6B;      /* WONDER. 로고색 — 로고와 긍정 상태 */
  --yellow: #F7D774;     /* 별, 형광펜 */
  --salmon: #F4A09A;     /* Level 1 색 — 메인 포인트 */
  --salmon-soft: #FBE1DD;
  --line: 2.5px;
  --danger: #D9594A;

  /* type */
  --f-display: 'Fredoka', 'Jua', sans-serif;      /* 영문 큰 제목 */
  --f-kr-display: 'Jua', 'Fredoka', sans-serif;   /* 한글 제목 */
  --f-body: 'Gowun Dodum', 'Noto Sans KR', system-ui, sans-serif;
  --f-doodle: 'Gaegu', 'Jua', cursive;             /* 손글씨 메모 */

  /* shape */
  --wobble: 255px 18px 225px 18px / 18px 225px 18px 255px;
  --wobble-2: 18px 255px 18px 225px / 225px 18px 255px 18px;
  --wobble-3: 120px 12px 160px 14px / 14px 150px 12px 130px;
  --shadow: 4px 4px 0 var(--ink);
  --max: 1180px;
  --gutter-l: max(16px, env(safe-area-inset-left, 0px));
  --gutter-r: max(16px, env(safe-area-inset-right, 0px));

  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100%;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; line-height: 1.2; text-wrap: balance; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 3px dashed var(--coral); outline-offset: 3px; }
.num { font-variant-numeric: tabular-nums; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------- 타이포 ---------- */
.t-display { font-family: var(--f-display); font-weight: 600; letter-spacing: -0.01em; }
.t-kr { font-family: var(--f-kr-display); font-weight: 400; }
.t-doodle { font-family: var(--f-doodle); font-weight: 700; }
.h-section {
  font-family: var(--f-kr-display);
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  line-height: 1.25;
}
.h-section .en { font-family: var(--f-display); }
.lead { font-size: 1.05rem; color: var(--ink-soft); max-width: 36em; }

/* 형광펜 밑줄 */
.hl { background: linear-gradient(transparent 58%, var(--yellow) 58%, var(--yellow) 92%, transparent 92%); padding: 0 .08em; }
.hl-salmon { background: linear-gradient(transparent 58%, var(--salmon) 58%, var(--salmon) 92%, transparent 92%); padding: 0 .08em; }

/* 손그림 물결 밑줄 */
.squig { position: relative; display: inline-block; }
.squig::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -.25em; height: .45em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 12' preserveAspectRatio='none'%3E%3Cpath d='M0 7 Q 12 1 25 7 T 50 7 T 75 7 T 100 7' fill='none' stroke='%23E8654F' stroke-width='3' stroke-linecap='round'/%3E%3C/svg%3E") repeat-x;
  background-size: 60px 100%;
}

/* ---------- 레이아웃 ---------- */
.wrap { max-width: var(--max); margin: 0 auto; padding-left: var(--gutter-l); padding-right: var(--gutter-r); }
.section { padding-block: clamp(44px, 7vw, 88px); }
.section-tight { padding-block: clamp(28px, 4vw, 48px); }
.band { background: var(--paper-2); }
.stack { display: grid; gap: 16px; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.between { justify-content: space-between; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 20px; }
.grid-9 { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 18px; }
@media (max-width: 480px) { .grid-9 { grid-template-columns: repeat(2, 1fr); gap: 12px; } }
.min0 > * { min-width: 0; }

/* ---------- 낙서풍 기본 부품 ---------- */
.sk { border: var(--line) solid var(--ink); border-radius: var(--wobble); background: #fff; }
.sk-2 { border: var(--line) solid var(--ink); border-radius: var(--wobble-2); background: #fff; }
.sk-3 { border: var(--line) solid var(--ink); border-radius: var(--wobble-3); background: #fff; }
.lift { box-shadow: var(--shadow); }
.card { padding: clamp(18px, 3vw, 28px); }

/* 버튼 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; min-height: 46px;
  border: var(--line) solid var(--ink); border-radius: var(--wobble-3);
  background: #fff; color: var(--ink);
  font-family: var(--f-kr-display); font-size: 1.05rem; line-height: 1;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform .12s ease, box-shadow .12s ease;
  text-align: center; white-space: nowrap;
}
.btn:hover { transform: translate(-1px, -1px); box-shadow: 4px 4px 0 var(--ink); }
.btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.btn-primary { background: var(--coral); color: #fff; }
.btn-ink { background: var(--ink); color: #fff; }
.btn-soft { background: var(--salmon-soft); }
.btn-ghost { box-shadow: none; border-style: dashed; background: transparent; }
.btn-ghost:hover { box-shadow: none; background: #fff; }
.btn-sm { padding: 8px 14px; min-height: 36px; font-size: .95rem; box-shadow: 2px 2px 0 var(--ink); }
.btn-lg { padding: 16px 30px; font-size: 1.2rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .45; cursor: not-allowed; transform: none; box-shadow: 3px 3px 0 var(--ink); }

/* 칩 · 뱃지 · 스티커 */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border: 2px solid var(--ink); border-radius: var(--wobble-3);
  font-family: var(--f-kr-display); font-size: .9rem; line-height: 1.3; background: #fff;
}
.chip-dot { width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid var(--ink); }
.sticker {
  display: inline-block; padding: 6px 14px; transform: rotate(-4deg);
  background: var(--yellow); border: 2px solid var(--ink); border-radius: var(--wobble-3);
  font-family: var(--f-doodle); font-weight: 700; font-size: 1.05rem; line-height: 1.2;
  box-shadow: 2px 2px 0 var(--ink);
}
.sticker-coral { background: var(--coral); color: #fff; }
.sticker-green { background: var(--green); color: #fff; }
.tag-soon { background: var(--paper-2); color: var(--ink-soft); border-style: dashed; }

/* 상태 색 (관리자·주문) — 의미 색은 포인트 색과 별개 */
.st { display: inline-block; white-space: nowrap; padding: 2px 10px; border-radius: 999px; border: 2px solid var(--ink); font-family: var(--f-kr-display); font-size: .85rem; background: #fff; }
.st-paid { background: #D7E6F5; }
.st-ready { background: #F9F0C4; }
.st-ship { background: #FBE6CF; }
.st-done { background: #E3F2D6; }
.st-cancel { background: #EEE; color: var(--ink-soft); border-style: dashed; }

/* 폼 */
.field { display: grid; gap: 6px; }
.field label { font-family: var(--f-kr-display); font-size: 1rem; }
.input, .select, .textarea {
  width: 100%; padding: 11px 14px; min-height: 46px;
  border: var(--line) solid var(--ink); border-radius: var(--wobble-3); background: #fff;
  font-size: 1rem;
}
.textarea { min-height: 120px; resize: vertical; }
.input:focus, .select:focus, .textarea:focus { outline: none; box-shadow: 3px 3px 0 var(--yellow); }
.help { font-size: .9rem; color: var(--ink-soft); }
.radio-card { display: flex; gap: 12px; align-items: center; padding: 12px 14px; cursor: pointer; }
.radio-card input { width: 20px; height: 20px; accent-color: var(--coral); margin: 0; }
.check { display: flex; gap: 10px; align-items: flex-start; }
.check input { width: 20px; height: 20px; accent-color: var(--coral); margin-top: 3px; flex: none; }

/* 표 */
.tbl { width: 100%; border-collapse: collapse; font-size: .95rem; }
.tbl th, .tbl td { padding: 12px 10px; border-bottom: 2px dashed #E7DCD3; text-align: left; vertical-align: middle; }
.tbl th { font-family: var(--f-kr-display); font-weight: 400; border-bottom: var(--line) solid var(--ink); white-space: nowrap; }
.tbl td.r, .tbl th.r { text-align: right; white-space: nowrap; }
.tbl td.num { white-space: nowrap; }
.tbl-wrap { overflow-x: auto; }

/* 점선 구분선 */
.rule { border: 0; border-top: 3px dashed var(--ink); opacity: .3; margin: 0; }

/* 빈 상태 */
.empty { text-align: center; padding: 48px 20px; display: grid; gap: 14px; justify-items: center; }
.empty .t-doodle { font-size: 1.4rem; }

/* 토스트 */
.toast {
  position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  transform: translate(-50%, 20px); opacity: 0; pointer-events: none;
  padding: 12px 20px; background: var(--ink); color: #fff; border-radius: var(--wobble-3);
  font-family: var(--f-kr-display); z-index: 60; transition: transform .2s, opacity .2s; max-width: calc(100% - 32px);
}
.toast.show { transform: translate(-50%, 0); opacity: 1; }

/* ---------- 헤더 ---------- */
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--paper); }
.hdr {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 40;
  background: var(--paper); border-bottom: var(--line) solid var(--ink);
}
.hdr-in { display: flex; align-items: center; gap: 18px; min-height: 66px; }
.logo { display: inline-flex; align-items: baseline; gap: 2px; font-family: var(--f-display); font-weight: 700; font-size: 1.5rem; color: var(--green); letter-spacing: .01em; }
.logo .dot { color: var(--coral); }
.logo small { font-family: var(--f-kr-display); font-size: .8rem; color: var(--ink); margin-left: 8px; }
.nav { display: flex; gap: 4px; margin-left: 8px; }
.nav a { padding: 8px 12px; border-radius: var(--wobble-3); font-family: var(--f-kr-display); font-size: 1.05rem; }
.nav a:hover, .nav a[aria-current="page"] { background: var(--salmon-soft); }
.hdr-tools { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.cart-btn { position: relative; }
.cart-cnt { position: absolute; top: -8px; right: -8px; min-width: 22px; height: 22px; padding: 0 6px; border-radius: 999px; background: var(--coral); color: #fff; border: 2px solid var(--ink); font-size: .8rem; display: grid; place-items: center; font-family: var(--f-display); }
.cart-cnt[hidden] { display: none; }
.menu-btn { display: none; }
@media (max-width: 820px) {
  .nav { display: none; }
  .hdr.open .nav { display: flex; flex-direction: column; position: absolute; left: 0; right: 0; top: 100%; background: var(--paper); border-bottom: var(--line) solid var(--ink); padding: 10px var(--gutter-r) 16px var(--gutter-l); margin: 0; }
  .menu-btn { display: inline-flex; }
  .logo small { display: none; }
  .hide-sm { display: none; }
  .hdr-in { gap: 10px; }
  .logo { font-size: 1.3rem; }
}

/* ---------- 푸터 ---------- */
.ftr { border-top: var(--line) solid var(--ink); background: var(--paper-2); padding-block: 40px 28px; font-size: .9rem; color: var(--ink-soft); }
.ftr-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 28px; }
@media (max-width: 720px) { .ftr-grid { grid-template-columns: 1fr; } }
.ftr h4 { font-family: var(--f-kr-display); font-weight: 400; color: var(--ink); margin-bottom: 10px; }
.ftr li { margin: 4px 0; }
.ftr a:hover { color: var(--coral); }
.ftr-legal { margin-top: 24px; padding-top: 16px; border-top: 2px dashed #E7DCD3; display: grid; gap: 4px; font-size: .82rem; }
.ftr-legal .req { color: var(--coral); }

/* ---------- 히어로 (메인) ---------- */
.hero { position: relative; overflow: hidden; padding-block: clamp(36px, 6vw, 72px) clamp(40px, 7vw, 80px); }
.hero-in { display: grid; grid-template-columns: 1.1fr .9fr; gap: 32px; align-items: center; }
@media (max-width: 860px) { .hero-in { grid-template-columns: 1fr; } }
.hero h1 { font-family: var(--f-display); font-weight: 600; font-size: clamp(2.4rem, 6vw, 4.4rem); line-height: 1.02; }
.hero h1 .kr { display: block; font-family: var(--f-kr-display); font-size: .5em; margin-top: .35em; color: var(--ink-soft); }
.hero .lead { margin-top: 20px; font-size: 1.1rem; }
.hero-cta { margin-top: 28px; }
.hero-art { position: relative; min-height: 360px; }
.hero-book { position: absolute; width: 46%; max-width: 230px; border: var(--line) solid var(--ink); border-radius: 6px 14px 14px 6px; box-shadow: var(--shadow); overflow: hidden; background: #fff; }
.hero-book img { aspect-ratio: 210/297; object-fit: cover; }
.hero-book.b1 { left: 4%; top: 10%; transform: rotate(-7deg); z-index: 2; }
.hero-book.b2 { left: 42%; top: 0; transform: rotate(5deg); z-index: 3; }
.hero-book.b3 { left: 20%; top: 40%; transform: rotate(-2deg); z-index: 1; opacity: .9; }
.doodle { position: absolute; pointer-events: none; }
.doodle svg { width: 100%; height: 100%; display: block; }
.hero-note { position: absolute; right: 0; bottom: 10%; z-index: 4; }

/* 시리즈 쇼케이스 */
.series-card { display: grid; grid-template-columns: 180px 1fr; gap: 22px; align-items: center; padding: 22px; }
@media (max-width: 560px) { .series-card { grid-template-columns: 1fr; } .series-card .cover { max-width: 180px; } }
.series-card .cover { border: var(--line) solid var(--ink); border-radius: 6px 12px 12px 6px; overflow: hidden; box-shadow: 3px 3px 0 var(--ink); transform: rotate(-3deg); }
.series-card .cover img { aspect-ratio: 210/297; object-fit: cover; }
.series-card h3 { font-family: var(--f-display); font-size: 1.6rem; font-weight: 600; }
.series-card .sub { font-family: var(--f-kr-display); color: var(--ink-soft); margin-top: 2px; }
.series-card p.desc { margin-top: 10px; font-size: .95rem; }
.series-card .row { margin-top: 14px; }
.series-card .cover.ph { aspect-ratio: 210/297; display: grid; place-items: center; background: repeating-linear-gradient(0deg, transparent 0 22px, rgba(36,59,99,.08) 22px 24px), #fff; font-family: var(--f-doodle); font-weight: 700; font-size: 1.3rem; color: var(--ink-soft); }
.series-card.soon { box-shadow: none; border-style: dashed; }
.school-tabs { display: flex; gap: 10px; flex-wrap: wrap; }
.school-tabs a { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border: var(--line) solid var(--ink); border-radius: var(--wobble-3); background: #fff; font-family: var(--f-kr-display); font-size: 1.1rem; }
.school-tabs a i { width: 14px; height: 14px; border-radius: 50%; border: 1.5px solid var(--ink); }
.school-tabs a[aria-current="page"] { box-shadow: 3px 3px 0 var(--ink); }
.school-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .school-grid { grid-template-columns: 1fr; } }
.school-col { padding: 22px; display: grid; gap: 14px; align-content: start; }
.school-col h3 { font-family: var(--f-kr-display); font-size: 1.5rem; display: flex; align-items: baseline; gap: 8px; }
.school-col h3 .en { font-family: var(--f-display); font-weight: 600; font-size: .75em; color: var(--ink-soft); }
.school-col p { font-size: .95rem; color: var(--ink-soft); }
.school-col .mini { display: grid; gap: 10px; }
.school-col .mini a, .school-col .mini .soon { display: grid; grid-template-columns: 54px 1fr; gap: 12px; align-items: center; padding: 10px; border: 2px solid var(--ink); border-radius: var(--wobble-3); background: #fff; }
.school-col .mini img { aspect-ratio: 210/297; object-fit: cover; border: 1.5px solid var(--ink); border-radius: 3px 7px 7px 3px; }
.school-col .mini .ph { aspect-ratio: 210/297; border: 1.5px dashed var(--ink); border-radius: 3px 7px 7px 3px; background: var(--paper-2); }
.school-col .mini b { font-family: var(--f-kr-display); font-weight: 400; display: block; }
.school-col .mini span { font-size: .85rem; color: var(--ink-soft); }
.school-col .mini .soon { border-style: dashed; background: transparent; }

/* 레벨 그리드 (시리즈 페이지) */
.lv-card { display: grid; gap: 10px; text-align: center; padding: 12px 12px 14px; transition: transform .12s; }
.lv-card:hover { transform: translateY(-3px) rotate(-1deg); }
.lv-card .cover { border: 2px solid var(--ink); border-radius: 4px 10px 10px 4px; overflow: hidden; background: var(--paper-2); }
.lv-card .cover img { aspect-ratio: 210/297; object-fit: cover; width: 100%; }
.lv-card .ph { aspect-ratio: 210/297; display: grid; place-items: center; font-family: var(--f-doodle); font-weight: 700; color: var(--ink-soft); font-size: 1rem; line-height: 1.25; text-align: center; padding: 6px; word-break: keep-all; background: repeating-linear-gradient(0deg, transparent 0 22px, #F0E5DA 22px 24px); }
.lv-card .name { font-family: var(--f-kr-display); font-size: 1rem; }
.lv-card .price { font-family: var(--f-display); font-size: 1.05rem; }
.lv-pill { display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border: 2px solid var(--ink); border-radius: var(--wobble-3); font-family: var(--f-display); font-weight: 600; }
.lv-pill i { width: 12px; height: 12px; border-radius: 50%; border: 1.5px solid var(--ink); }

/* 상품 상세 */
.pd { display: grid; grid-template-columns: minmax(260px, 420px) 1fr; gap: clamp(24px, 4vw, 56px); align-items: start; }
@media (max-width: 760px) { .pd { grid-template-columns: 1fr; } .pd .pd-cover { max-width: 320px; margin: 0 auto; } }
.pd-cover { border: var(--line) solid var(--ink); border-radius: 6px 16px 16px 6px; overflow: hidden; box-shadow: 6px 6px 0 var(--ink); transform: rotate(-2deg); background: var(--paper-2); }
.pd-cover img, .pd-cover .ph { aspect-ratio: 210/297; object-fit: cover; width: 100%; }
.pd-cover .ph { display: grid; place-items: center; font-family: var(--f-doodle); font-weight: 700; font-size: 1.4rem; color: var(--ink-soft); }
.pd h1 { font-family: var(--f-display); font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 600; }
.pd .sub { font-family: var(--f-kr-display); font-size: 1.15rem; color: var(--ink-soft); }
.pd .price { font-family: var(--f-display); font-size: 2rem; font-weight: 600; margin-top: 10px; }
.pd .price small { font-size: .55em; font-family: var(--f-kr-display); font-weight: 400; margin-left: 4px; }
.qty { display: inline-flex; border: var(--line) solid var(--ink); border-radius: var(--wobble-3); overflow: hidden; background: #fff; }
.qty button { width: 42px; height: 44px; border: 0; background: transparent; font-size: 1.3rem; font-family: var(--f-display); }
.qty button:hover { background: var(--salmon-soft); }
.qty input { width: 52px; text-align: center; border: 0; border-left: 2px solid var(--ink); border-right: 2px solid var(--ink); font-family: var(--f-display); font-size: 1.1rem; }
.spec { display: grid; grid-template-columns: auto 1fr; gap: 8px 18px; font-size: .95rem; }
.spec dt { font-family: var(--f-kr-display); color: var(--ink-soft); }
.spec dd { margin: 0; }
.unit-list { display: grid; gap: 12px; counter-reset: unit; }
.unit-list li { display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: start; }
.unit-list li::before { counter-increment: unit; content: counter(unit); width: 40px; height: 40px; display: grid; place-items: center; border: 2px solid var(--ink); border-radius: 50%; font-family: var(--f-display); font-weight: 600; background: var(--yellow); }
.unit-list b { font-family: var(--f-kr-display); font-weight: 400; display: block; }
.unit-list span { font-size: .93rem; color: var(--ink-soft); }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; border-bottom: var(--line) solid var(--ink); }
.tabs button { padding: 10px 18px; border: var(--line) solid var(--ink); border-bottom: 0; border-radius: 14px 14px 0 0; background: var(--paper-2); font-family: var(--f-kr-display); font-size: 1rem; margin-bottom: -2.5px; }
.tabs button[aria-selected="true"] { background: #fff; }
.tab-panel { padding: 24px 0; }
.related { margin-top: 48px; }

/* 장바구니 */
.cart-row { display: grid; grid-template-columns: 84px 1fr auto; gap: 16px; align-items: center; padding: 16px 0; border-bottom: 2px dashed #E7DCD3; }
.cart-row .thumb { border: 2px solid var(--ink); border-radius: 4px 8px 8px 4px; overflow: hidden; background: var(--paper-2); }
.cart-row .thumb img { aspect-ratio: 210/297; object-fit: cover; }
.cart-row .name { font-family: var(--f-kr-display); }
.cart-row .sum { font-family: var(--f-display); font-size: 1.15rem; text-align: right; white-space: nowrap; }
.cart-row .rm { background: none; border: 0; color: var(--ink-soft); font-size: .9rem; text-decoration: underline dashed; padding: 0; }
@media (max-width: 520px) { .cart-row { grid-template-columns: 64px 1fr; } .cart-row .sum { grid-column: 2; text-align: left; } }
.summary { position: sticky; top: calc(90px + env(safe-area-inset-top, 0px)); }
.summary .line { display: flex; justify-content: space-between; padding: 6px 0; }
.summary .total { font-family: var(--f-display); font-size: 1.5rem; font-weight: 600; border-top: var(--line) solid var(--ink); margin-top: 8px; padding-top: 12px; }
.checkout-grid { display: grid; grid-template-columns: 1fr minmax(280px, 360px); gap: 32px; align-items: start; }
@media (max-width: 860px) { .checkout-grid { grid-template-columns: 1fr; } .summary { position: static; } }
.fieldset { display: grid; gap: 14px; }
.fieldset legend, .fieldset > h3 { font-family: var(--f-kr-display); font-size: 1.3rem; margin-bottom: 4px; }
.form-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 520px) { .form-2 { grid-template-columns: 1fr; } }

/* 주문 완료 */
.done { text-align: center; display: grid; gap: 16px; justify-items: center; padding-block: 20px; }
.done .big { font-family: var(--f-display); font-size: clamp(2rem, 5vw, 3rem); font-weight: 600; }
.done .orderno { font-family: var(--f-display); font-size: 1.3rem; padding: 8px 20px; }

/* 마이페이지 · 관리자 */
.side-layout { display: grid; grid-template-columns: 220px 1fr; gap: 32px; align-items: start; }
@media (max-width: 760px) { .side-layout { grid-template-columns: 1fr; } }
.side-nav { display: grid; gap: 4px; padding: 10px; }
.side-nav a, .side-nav button { display: block; width: 100%; text-align: left; padding: 10px 14px; border: 0; background: transparent; border-radius: var(--wobble-3); font-family: var(--f-kr-display); font-size: 1.05rem; }
.side-nav a:hover, .side-nav button:hover { background: var(--paper-2); }
.side-nav a[aria-current="page"], .side-nav button[aria-current="page"] { background: var(--salmon-soft); }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.kpi { padding: 16px 18px; }
.kpi .k { font-family: var(--f-kr-display); color: var(--ink-soft); font-size: .95rem; }
.kpi .v { font-family: var(--f-display); font-size: 1.8rem; font-weight: 600; line-height: 1.1; margin-top: 4px; }
.admin-bar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
.admin-bar .input { max-width: 260px; }
.thumb-xs { width: 40px; border: 1.5px solid var(--ink); border-radius: 3px 6px 6px 3px; overflow: hidden; }
.thumb-xs img { aspect-ratio: 210/297; object-fit: cover; }

/* 소개 · 문의 · 약관 */
.prose { max-width: 70ch; font-size: 1rem; }
.prose h2 { font-family: var(--f-kr-display); font-size: 1.5rem; margin: 36px 0 12px; }
.prose h3 { font-family: var(--f-kr-display); font-size: 1.15rem; margin: 24px 0 8px; }
.prose p { margin: 10px 0; }
.prose ol, .prose ul { padding-left: 1.4em; margin: 8px 0; }
.prose ol { list-style: decimal; } .prose ul { list-style: disc; }
.prose li { margin: 4px 0; }
.prose .note { padding: 14px 18px; background: var(--paper-2); border: 2px dashed var(--ink); border-radius: var(--wobble-3); font-size: .95rem; }
.values { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 18px; }
.value { padding: 22px; display: grid; gap: 8px; }
.value .ic { width: 48px; height: 48px; }
.value h3 { font-family: var(--f-kr-display); font-size: 1.2rem; }
.value p { font-size: .95rem; color: var(--ink-soft); }

/* 페이지 머리 */
.page-head { padding-block: clamp(28px, 5vw, 56px) 8px; display: grid; gap: 8px; }
.page-head h1 { font-family: var(--f-kr-display); font-size: clamp(1.8rem, 4vw, 2.6rem); }
.page-head h1 .en { font-family: var(--f-display); font-weight: 600; }
.crumb { font-size: .9rem; color: var(--ink-soft); }
.crumb a:hover { color: var(--coral); }

/* 모션 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ---------- 미리보기 · E-book 뷰어 ---------- */
.viewer { position: fixed; inset: 0; z-index: 80; background: rgba(36,59,99,.92); display: grid; grid-template-rows: auto 1fr auto auto; color: #fff; padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }
.vw-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px var(--gutter-r) 12px var(--gutter-l); }
.vw-title { font-family: var(--f-kr-display); font-size: 1.1rem; display: flex; align-items: center; gap: 8px; min-width: 0; }
.vw-top .btn { background: #fff; color: var(--ink); }
.vw-stage { position: relative; display: grid; grid-template-columns: 56px 1fr 56px; align-items: center; min-height: 0; padding: 0 8px; }
@media (max-width: 640px) { .vw-stage { grid-template-columns: 1fr; } .vw-nav { display: none; } }
.vw-page { height: 100%; min-height: 0; display: grid; place-items: center; overflow: auto; }
.vw-page img { max-height: calc(100dvh - 190px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px)); max-width: 100%; width: auto; border: var(--line) solid #fff; border-radius: 4px; background: #fff; box-shadow: 6px 6px 0 rgba(0,0,0,.25); }
.viewer.zoom .vw-page { place-items: start center; }
.viewer.zoom .vw-page img { max-height: none; width: min(1000px, 100%); }
.vw-nav { width: 48px; height: 48px; border-radius: 50%; border: var(--line) solid #fff; background: transparent; color: #fff; font-size: 2rem; line-height: 1; display: grid; place-items: center; justify-self: center; }
.vw-nav:hover { background: #fff; color: var(--ink); }
.vw-nav[disabled] { opacity: .25; cursor: default; }
.vw-nav[disabled]:hover { background: transparent; color: #fff; }
.vw-bot { display: flex; align-items: center; gap: 14px; padding: 10px var(--gutter-r) 12px var(--gutter-l); }
.vw-thumbs { display: flex; gap: 8px; overflow-x: auto; flex: 1; min-width: 0; padding: 4px 2px; scrollbar-width: thin; }
.vw-thumbs button { flex: none; width: 44px; padding: 0; border: 2px solid transparent; border-radius: 4px; background: #fff; overflow: hidden; opacity: .6; }
.vw-thumbs button[aria-current="true"] { border-color: var(--yellow); opacity: 1; }
.vw-thumbs img { aspect-ratio: 210/297; object-fit: cover; display: block; }
.vw-count { font-family: var(--f-display); white-space: nowrap; }
.viewer:has(.vw-cta) .vw-page img { max-height: calc(100dvh - 250px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px)); }
.vw-cta { display: flex; justify-content: center; align-items: center; gap: 14px; flex-wrap: wrap; padding: 10px var(--gutter-r) 14px var(--gutter-l); background: rgba(255,255,255,.08); font-size: .95rem; }

/* 구매 형태 선택 */
.fmt { display: grid; gap: 8px; }
.fmt label { display: grid; grid-template-columns: 24px 1fr auto; gap: 12px; align-items: center; padding: 10px 14px; border: 2px solid var(--ink); border-radius: var(--wobble-3); background: #fff; cursor: pointer; }
.fmt label:has(input:checked) { background: var(--yellow); box-shadow: 2px 2px 0 var(--ink); }
.fmt input { width: 20px; height: 20px; accent-color: var(--coral); margin: 0; }
.fmt b { font-family: var(--f-kr-display); font-weight: 400; display: block; }
.fmt span { font-size: .85rem; color: var(--ink-soft); }
.fmt .pr { font-family: var(--f-display); font-weight: 600; white-space: nowrap; }
.fmt-chip { display: inline-block; padding: 1px 8px; border: 1.5px solid var(--ink); border-radius: 999px; font-size: .78rem; font-family: var(--f-kr-display); background: #fff; vertical-align: middle; margin-left: 6px; }
.fmt-chip.ebook { background: #D7E6F5; }
.fmt-chip.set { background: #F9F0C4; }
.lv-card .price .eb { display: block; font-family: var(--f-kr-display); font-size: .78rem; color: var(--ink-soft); }
.preview-btn { position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%) rotate(2deg); white-space: nowrap; }
.pd-cover-wrap { position: relative; }
.lib-card { display: grid; grid-template-columns: 90px 1fr; gap: 16px; align-items: center; padding: 16px; }
.lib-card img { border: 2px solid var(--ink); border-radius: 4px 9px 9px 4px; aspect-ratio: 210/297; object-fit: cover; }
.lib-card .prog { height: 10px; border: 2px solid var(--ink); border-radius: 999px; background: #fff; overflow: hidden; margin: 8px 0; }
.lib-card .prog i { display: block; height: 100%; background: var(--salmon); }

/* ---------- 교구 ---------- */
.g-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; padding-block: clamp(28px, 5vw, 56px); }
@media (max-width: 820px) { .g-hero { grid-template-columns: 1fr; } }
.g-hero h1 { font-family: var(--f-display); font-weight: 600; font-size: clamp(1.9rem, 4.5vw, 3rem); line-height: 1.05; }
.g-hero .big-kr { font-family: var(--f-kr-display); font-size: clamp(1.6rem, 4vw, 2.6rem); line-height: 1.3; }
.g-hero .big-kr .c { color: var(--coral); }
.g-art { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: end; padding-bottom: 36%; }
.g-art .box { width: 100%; max-width: 250px; justify-self: center; filter: drop-shadow(5px 5px 0 var(--ink)); transform: rotate(-5deg); }
.g-art .card { width: 72%; max-width: 180px; justify-self: center; filter: drop-shadow(4px 4px 0 var(--ink)); transform: rotate(7deg); }
.g-art .row-img { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; filter: drop-shadow(3px 3px 0 var(--ink)); }
@media (max-width: 820px) { .g-art { padding-bottom: 34%; } }
.g-art .quote { position: absolute; left: 50%; bottom: -8px; transform: translateX(-50%); width: max-content; max-width: 100%; }
.g-opts { display: grid; gap: 10px; }
.g-opts label { display: grid; grid-template-columns: 24px 1fr auto; gap: 12px; align-items: center; padding: 12px 14px; border: 2px solid var(--ink); border-radius: var(--wobble-3); background: #fff; cursor: pointer; }
.g-opts label:has(input:checked) { background: var(--yellow); box-shadow: 2px 2px 0 var(--ink); }
.g-opts input { width: 20px; height: 20px; accent-color: var(--coral); margin: 0; }
.g-opts b { font-family: var(--f-kr-display); font-weight: 400; display: flex; gap: 8px; align-items: center; }
.g-opts span.sub { font-size: .85rem; color: var(--ink-soft); display: block; }
.g-opts .pr { font-family: var(--f-display); font-weight: 600; white-space: nowrap; font-size: 1.1rem; }
.g-badge { font-size: .72rem; padding: 1px 8px; border: 1.5px solid var(--ink); border-radius: 999px; background: var(--coral); color: #fff; font-family: var(--f-kr-display); }
.g-badge.lv { background: var(--salmon-soft); color: var(--ink); }
.problems { display: grid; gap: 12px; }
.problems li { display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: center; padding: 14px 18px; }
.problems li i { width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--ink); background: var(--coral); color: #fff; display: grid; place-items: center; font-family: var(--f-display); font-weight: 600; font-style: normal; }
.problems li > div { min-width: 0; }
.problems b { font-family: var(--f-kr-display); font-weight: 400; display: block; font-size: 1.05rem; word-break: keep-all; overflow-wrap: anywhere; }
.problems span { color: var(--ink-soft); font-size: .95rem; }
.secret { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.secret:nth-child(even) > :first-child { order: 2; }
@media (max-width: 760px) { .secret { grid-template-columns: 1fr; } .secret:nth-child(even) > :first-child { order: 0; } }
.secret h3 { font-family: var(--f-kr-display); font-size: clamp(1.4rem, 3vw, 1.9rem); line-height: 1.25; margin-top: 8px; }
.secret p { margin-top: 10px; }
.secret .flow { margin-top: 14px; display: inline-block; padding: 8px 14px; font-family: var(--f-display); font-weight: 600; font-size: .95rem; }
.secret .pic { padding: 22px; display: grid; place-items: center; }
.secret .pic img { max-width: 100%; filter: drop-shadow(3px 3px 0 var(--ink)); }
.lv-stairs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; align-items: end; }
@media (max-width: 640px) { .lv-stairs { grid-template-columns: repeat(2, 1fr); } }
.lv-stairs .stair { padding: 16px 14px; display: grid; gap: 4px; }
.lv-stairs .stair b { font-family: var(--f-display); font-weight: 600; font-size: 1.1rem; }
.lv-stairs .stair .n { font-family: var(--f-kr-display); font-size: 1.1rem; }
.lv-stairs .stair .ex { font-family: var(--f-display); font-size: .9rem; color: var(--ink-soft); margin-top: 10px; }
.stats2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .stats2 { grid-template-columns: 1fr; } }
.stats2 .s { padding: 18px 22px; }
.stats2 .s b { font-family: var(--f-display); font-weight: 600; font-size: 2.2rem; display: block; line-height: 1.1; }
.stats2 .s span { font-size: .95rem; color: var(--ink-soft); }
.rules3 { display: grid; gap: 12px; counter-reset: r; }
.rules3 li { display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: start; padding: 14px 18px; }
.rules3 li::before { counter-increment: r; content: counter(r); width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--ink); background: var(--yellow); display: grid; place-items: center; font-family: var(--f-display); font-weight: 600; }
.rules3 li > div { min-width: 0; }
.rules3 b { font-family: var(--f-kr-display); font-weight: 400; display: block; font-size: 1.05rem; word-break: keep-all; overflow-wrap: anywhere; }
.rules3 span { color: var(--ink-soft); font-size: .95rem; }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.gallery button { padding: 0; border: 2px solid var(--ink); border-radius: 6px; overflow: hidden; background: #fff; box-shadow: 3px 3px 0 var(--ink); }
.gallery img { aspect-ratio: 645/945; object-fit: cover; }
.goods-card { display: grid; grid-template-columns: 200px 1fr; gap: 22px; align-items: center; padding: 24px; }
@media (max-width: 600px) { .goods-card { grid-template-columns: 1fr; } }
.goods-card .pic img { filter: drop-shadow(4px 4px 0 var(--ink)); transform: rotate(-4deg); max-width: 200px; }
.goods-card h3 { font-family: var(--f-display); font-weight: 600; font-size: 1.5rem; }
.goods-card .sub { font-family: var(--f-kr-display); color: var(--ink-soft); }
.goods-card .chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }

/* ---------- 공지 띠 · E-book 워터마크 ---------- */
.notice-bar { background: var(--ink); color: #fff; text-align: center; font-family: var(--f-kr-display); font-size: .95rem; padding: 7px max(16px, env(safe-area-inset-right, 0px)) 7px max(16px, env(safe-area-inset-left, 0px)); }
.vw-wm { position: absolute; inset: 0; display: grid; grid-template-columns: repeat(3, 1fr); align-content: space-around; justify-items: center; pointer-events: none; overflow: hidden; }
.vw-wm span { transform: rotate(-24deg); color: rgba(36, 59, 99, .13); font-family: var(--f-display); font-size: clamp(.8rem, 1.6vw, 1.1rem); white-space: nowrap; user-select: none; }
.ok-msg { color: var(--green); }

/* 시리즈 상세 소개 (디자인 페이지 끼워 넣기) */
.detail-wrap { max-width: 900px; margin: 0 auto; }
.detail-frame { display: block; width: 100%; height: 1200px; border: 0; background: transparent; }
.detail-imgs { display: grid; border-radius: 18px; overflow: hidden; border: var(--line) solid var(--ink); box-shadow: var(--shadow); }
.detail-imgs img { display: block; width: 100%; height: auto; }