/* ============================================================
   Wikibook Home — page-specific styles
   ============================================================ */

/* Hero */
.wb-home-hero {
  padding: 32px 32px 40px;
  border-bottom: 1px solid var(--wb-line);
  display: grid; grid-template-columns: 1.2fr 2fr; gap: 28px;
}
.wb-home-hero__panel {
  background: var(--wb-accent); color: #fff; padding: 28px;
  display: flex; flex-direction: column; justify-content: space-between; min-height: 440px;
}
.wb-home-hero__kicker { font-size: 11px; letter-spacing: 2px; opacity: 0.9; }
.wb-home-hero__title {
  font-size: 56px; font-weight: 800; letter-spacing: -2px; line-height: 0.95;
  margin: 18px 0 0; word-break: keep-all;
}
.wb-home-hero__desc {
  font-size: 14px; line-height: 1.6; margin-top: 20px; opacity: 0.95;
  max-width: 320px; word-break: keep-all;
}
.wb-home-hero__label { font-size: 10px; letter-spacing: 2px; opacity: 0.8; margin-bottom: 8px; }
.wb-home-hero__authors { font-size: 13px; line-height: 1.7; }
.wb-home-hero__cta {
  display: inline-block; margin-top: 16px; padding: 10px 18px;
  background: #fff; color: var(--wb-accent); font-weight: 700; font-size: 13px;
}

.wb-home-hero__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
}
.wb-home-hero__book {
  display: block; position: relative;
}
.wb-home-hero__cover {
  width: 100% !important;
  font-size: 12px;
}
.wb-home-hero__cover .wb-cover__author { font-size: 9px; }

.wb-home-hero__hover {
  position: absolute; inset: 0; background: rgba(0,0,0,.85); color: #fff;
  padding: 12px; display: none; flex-direction: column; justify-content: space-between;
  animation: wb-fadeIn .2s ease;
}
.wb-home-hero__book:hover .wb-home-hero__hover { display: flex; }
.wb-home-hero__hover-cat { font-size: 9px; color: var(--wb-accent); letter-spacing: 1px; margin-bottom: 4px; }
.wb-home-hero__hover-title { font-size: 13px; font-weight: 700; line-height: 1.3; word-break: keep-all; }
.wb-home-hero__hover-sub { font-size: 10px; color: #aaa; margin-top: 4px; }
.wb-home-hero__hover-meta { font-size: 10px; color: #ddd; }
.wb-home-hero__hover-price { font-size: 13px; font-weight: 700; color: var(--wb-accent); margin-top: 4px; }

/* Stats */
.wb-home-stats {
  background: var(--wb-panel); border-bottom: 1px solid var(--wb-line);
  display: grid; grid-template-columns: repeat(5, 1fr);
}
.wb-home-stat { padding: 16px 20px; border-left: 1px solid var(--wb-line); }
.wb-home-stat:first-child { border-left: none; }
.wb-home-stat__n { font-size: 28px; font-weight: 800; letter-spacing: -1px; }
.wb-home-stat__l { font-size: 11px; color: var(--wb-mute); margin-top: 2px; }

/* Heading common */
.wb-home-h { font-size: 28px; font-weight: 800; letter-spacing: -0.8px; margin: 0; }

/* Bestseller */
.wb-home-best__head {
  display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 24px;
}
.wb-home-best__kicker { font-size: 10px; letter-spacing: 2px; color: var(--wb-accent); font-weight: 700; }
.wb-home-best__title { font-size: 32px; font-weight: 800; letter-spacing: -1px; margin: 6px 0 0; }
.wb-home-best__tabs { display: flex; border: 1px solid var(--wb-line); }
.wb-home-best__tab {
  padding: 7px 14px; font-size: 12px; font-weight: 500;
  background: transparent; color: var(--wb-ink); border: none; cursor: pointer;
}
.wb-home-best__tab.is-active { background: var(--wb-ink); color: #fff; font-weight: 700; }

/* 기간별 패널 (탭으로 전환) */
.wb-home-best__pane { display: none; }
.wb-home-best__pane.is-active { display: block; }

/* 가로 캐러셀 (네이티브 스크롤 + 스냅, 화살표는 jQuery scrollLeft 애니메이션) */
.wb-carousel { position: relative; }
.wb-carousel__viewport {
  overflow-x: auto; overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none; -ms-overflow-style: none;
}
.wb-carousel__viewport::-webkit-scrollbar { display: none; }
.wb-carousel__track { display: flex; gap: 16px; padding: 2px; }
.wb-carousel__item { flex: 0 0 auto; scroll-snap-align: start; }

.wb-carousel__nav {
  position: absolute; top: 38%; transform: translateY(-50%); z-index: 2;
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--wb-line); background: #fff; color: var(--wb-ink);
  font-size: 22px; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, .14);
  transition: opacity .15s, background .15s, color .15s;
}
.wb-carousel__nav:hover { background: var(--wb-ink); color: #fff; }
.wb-carousel__nav--prev { left: -12px; }
.wb-carousel__nav--next { right: -12px; }
.wb-carousel__nav:disabled { opacity: 0; pointer-events: none; }
.wb-carousel.is-static .wb-carousel__nav { display: none; }

/* 베스트셀러 카드 (표지+제목 중심) */
.wb-best-card { display: block; width: 188px; color: inherit; }
.wb-best-card__cover { position: relative; }
.wb-best-card__rank {
  position: absolute; top: 0; left: 0; z-index: 1;
  min-width: 34px; height: 34px; padding: 0 7px;
  display: flex; align-items: center; justify-content: center;
  background: var(--wb-ink); color: #fff; font-weight: 800; font-size: 16px;
}
.wb-best-card__rank.is-top { background: var(--wb-accent); }
.wb-best-card__img { width: 100% !important; }
.wb-best-card__t {
  font-size: 15px; font-weight: 700; line-height: 1.3; letter-spacing: -0.2px;
  margin-top: 10px; word-break: keep-all;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.wb-best-card__a { font-size: 12px; color: var(--wb-mute); margin-top: 4px; word-break: keep-all; }

/* Categories */
.wb-home-cat {
  border: 1px solid var(--wb-line); padding: 18px; background: #fff;
  position: relative; display: block;
}
.wb-home-cat:hover { border-color: var(--wb-ink); }
.wb-home-cat__code { font-size: 10px; color: var(--wb-accent); font-weight: 700; letter-spacing: 1px; }
.wb-home-cat__name { font-size: 15px; font-weight: 700; margin-top: 6px; letter-spacing: -0.3px; }
.wb-home-cat__count { font-size: 11px; color: var(--wb-mute); margin-top: 4px; }
.wb-home-cat__arrow { position: absolute; bottom: 12px; right: 12px; font-size: 14px; }

/* New releases */
.wb-home-new__head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 24px; }
.wb-home-new__note { font-size: 12px; color: var(--wb-mute); }
.wb-home-new__card {
  border: 1px solid var(--wb-line); padding: 12px; background: #fff; display: block;
}
.wb-home-new__card:hover { border-color: var(--wb-ink); }
.wb-home-new__cover { width: 100% !important; max-width: 188px; margin: 0 auto; font-size: 11px; }
.wb-home-new__cover .wb-cover__author { font-size: 8px; }
.wb-home-new__t {
  font-size: 12px; font-weight: 700; margin-top: 10px; letter-spacing: -0.2px;
  line-height: 1.3; word-break: keep-all; min-height: 32px;
}
.wb-home-new__a { font-size: 10px; color: var(--wb-mute); margin-top: 4px; }
.wb-home-new__p { font-size: 12px; font-weight: 700; margin-top: 6px; color: var(--wb-accent); }

/* Blog */
.wb-home-posts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.wb-home-post {
  border: 1px solid var(--wb-line); padding: 20px; background: #fff; display: block;
}
.wb-home-post:hover { border-color: var(--wb-ink); }
.wb-home-post__cat { font-size: 10px; color: var(--wb-accent); letter-spacing: 1px; font-weight: 700; }
.wb-home-post__t {
  font-size: 18px; font-weight: 700; letter-spacing: -0.4px; line-height: 1.3;
  margin-top: 8px; word-break: keep-all;
}
.wb-home-post__e { font-size: 12px; color: var(--wb-mute); margin-top: 10px; line-height: 1.6; }
.wb-home-post__m { font-size: 11px; color: var(--wb-mute); margin-top: 14px; }

/* ============================================================
   모바일 대응 — 시안 mobile.html 의도 반영
   (home.css는 pages.css보다 나중에 로드되므로 홈 화면의
    반응형 규칙은 반드시 이 파일 하단에 있어야 한다)
   ============================================================ */

@media (max-width: 900px) {
  /* 히어로: 패널 단독 + 도서 그리드 2열 축소 */
  .wb-home-hero { grid-template-columns: 1fr; padding: 16px 16px 24px; gap: 16px; }
  .wb-home-hero__panel { min-height: 0; padding: 24px 16px 22px; gap: 18px; }
  .wb-home-hero__title { font-size: 36px; letter-spacing: -1px; margin-top: 10px; }
  .wb-home-hero__desc { font-size: 12px; margin-top: 10px; }
  .wb-home-hero__grid { grid-template-columns: repeat(4, 1fr); gap: 8px; }
  .wb-home-hero__cover { font-size: 9px; }

  /* 통계: 2열 */
  .wb-home-stats { grid-template-columns: repeat(2, 1fr); }
  .wb-home-stat { border-left: none; border-top: 1px solid var(--wb-line); padding: 12px 16px; }
  .wb-home-stat__n { font-size: 22px; }

  /* 베스트셀러: 헤더 세로 배치 + 캐러셀 카드 축소 */
  .wb-home-best__head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .wb-home-best__title { font-size: 22px; }
  .wb-best-card { width: 140px; }
  .wb-best-card__t { font-size: 14px; }
  .wb-carousel__nav { width: 34px; height: 34px; font-size: 18px; }
  .wb-carousel__nav--prev { left: -6px; }
  .wb-carousel__nav--next { right: -6px; }

  /* 섹션 헤딩 */
  .wb-home-h { font-size: 20px; }

  /* 블로그 미리보기: 1열 */
  .wb-home-posts { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  /* 시안 모바일 홈: 히어로는 패널만 노출 */
  .wb-home-hero__grid { display: none; }
  .wb-home-hero__title { font-size: 32px; }
  /* (표지 높이는 188:240 비율로 자동 계산) */
}

/* SNS — 시안 index.html '위키북스 소식 받기' */
.wb-home-sns {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 1px; background: var(--wb-line); border: 1px solid var(--wb-line);
}
.wb-home-sns__card {
  background: #fff; padding: 22px 20px 20px;
  display: flex; flex-direction: column; gap: 10px; min-height: 150px;
  transition: background 0.15s;
}
.wb-home-sns__card:hover { background: var(--wb-panel); }
.wb-home-sns__top { display: flex; align-items: center; justify-content: space-between; }
.wb-home-sns__code {
  width: 36px; height: 36px; background: var(--wb-ink); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; letter-spacing: 0.5px;
}
/* 이미지 아이콘(/images/icons/*.png)을 쓸 때: 흰 배경 + 테두리로 로고가 묻히지 않게 */
.wb-home-sns__code--img { background: #fff; }
.wb-home-sns__code--img img { width: 100%; height: 100%; object-fit: contain; display: block; }
.wb-home-sns__arrow { font-size: 11px; color: var(--wb-mute); }
.wb-home-sns__name { font-size: 16px; font-weight: 700; letter-spacing: -0.3px; }
.wb-home-sns__handle { font-size: 11px; color: var(--wb-mute); margin-top: 3px; }
.wb-home-sns__desc { font-size: 12px; color: var(--wb-mute); margin-top: auto; line-height: 1.5; word-break: keep-all; }

@media (max-width: 900px) {
  .wb-home-sns { grid-template-columns: repeat(2, 1fr); }
  .wb-home-sns__card { min-height: 120px; padding: 16px; }
}
@media (max-width: 560px) {
  .wb-home-sns { grid-template-columns: 1fr; }
}

/* 최근 출간 도서 — 5열 x 6행 (카드가 커진 만큼 간격·타이포 보정) */
.wb-home-recent { gap: 24px 16px; }
.wb-home-recent .wb-home-new__cover { font-size: 13px; }
.wb-home-recent .wb-home-new__t { font-size: 16px; min-height: 36px; }
.wb-home-recent .wb-home-new__a { font-size: 14px; }
.wb-home-recent .wb-home-new__p { font-size: 13px; }