:root {
  --page-bg: #fafaf8;
  --ink: #26251f;
  --ink-2: #6e6a60;
  --ink-3: #9b968a;
  --hair: #e5e2da;
  --paper: #ffffff;
  --green: #006400;
  --fs-verse: 19px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--page-bg);
  color: var(--ink);
  font-family: 'Pretendard Variable', Pretendard, -apple-system, 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  line-height: 1.6;
}

/* ---------- 상단 앱 배너 (iOS Safari 본체에선 JS가 숨김) ---------- */
/* display:flex가 hidden 속성의 UA display:none을 덮지 않도록 명시 */
.app-banner[hidden] {
  display: none;
}

.app-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: #f5f3ec;
  border-bottom: 1px solid var(--hair);
  position: sticky;
  top: 0;
  z-index: 20;
}

.app-banner__close {
  border: 0;
  background: none;
  color: var(--ink-3);
  font-size: 20px;
  line-height: 1;
  padding: 4px;
  cursor: pointer;
}

.app-banner__icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: #1f3d2b;
  color: #f4f1e8;
  font-size: 10px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  line-height: 1.15;
  flex: none;
}

.app-banner__text {
  flex: 1;
  min-width: 0;
}

.app-banner__text strong {
  display: block;
  font-size: 13.5px;
  letter-spacing: -0.01em;
}

.app-banner__text em {
  font-style: normal;
  display: block;
  font-size: 11.5px;
  color: var(--ink-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-banner__cta {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: var(--green);
  border-radius: 999px;
  padding: 7px 16px;
  text-decoration: none;
  white-space: nowrap;
}

/* ---------- 사이트 내비 ---------- */
.site-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 680px;
  margin: 0 auto;
  padding: 12px 20px 0;
}

.site-nav__brand {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
  margin-right: auto;
}

.site-nav__brand img {
  border-radius: 5px;
  display: block;
}

.site-nav__link {
  color: var(--ink-2);
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav__link:hover {
  color: var(--green);
}

.read-page-nav {
  border-top: 1px solid var(--hair);
  margin-top: 28px;
  padding-top: 18px;
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 13.5px;
}

.read-page-nav a {
  color: var(--ink-2);
  text-decoration: none;
}

.read-page-nav a:hover {
  color: var(--green);
}

.read-page-nav span {
  color: var(--ink-3);
}

/* ---------- 본문 ---------- */
.read-page {
  max-width: 680px;
  margin: 0 auto;
  padding: 16px 20px 120px;
}

.crumb {
  font-size: 13px;
  color: var(--ink-3);
  margin: 4px 0 14px;
}

.crumb a {
  color: var(--ink-2);
  text-decoration: none;
}

.crumb a:hover {
  color: var(--green);
}

.read-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.read-head h1 {
  font-size: 26px;
  margin: 0;
  letter-spacing: -0.01em;
}

.read-head .pub {
  font-size: 13px;
  color: var(--ink-3);
}

.fs-ctl {
  margin-left: auto;
  display: flex;
  gap: 6px;
}

.fs-ctl button {
  font: inherit;
  width: 42px;
  height: 38px;
  border: 1px solid var(--hair);
  background: var(--paper);
  border-radius: 9px;
  cursor: pointer;
  color: var(--ink);
  font-size: 14px;
}

.fs-ctl button:disabled {
  opacity: 0.35;
  cursor: default;
}

.verses .verse {
  margin: 0 0 14px;
  font-size: var(--fs-verse);
  line-height: 1.8;
  letter-spacing: -0.005em;
}

.verses .verse sup {
  font-size: 0.6em;
  color: var(--green);
  font-weight: 700;
  margin-right: 6px;
}

.verses .verse.hl {
  background: #f3efc9;
  border-radius: 8px;
  padding: 8px 10px;
  margin-left: -10px;
  margin-right: -10px;
}

.chapter-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--hair);
  padding-top: 16px;
  margin-top: 24px;
  font-size: 15px;
}

.chapter-nav a {
  color: var(--green);
  font-weight: 600;
  text-decoration: none;
}

/* ---------- 목차 ---------- */
.read-page h2 {
  font-size: 17px;
  margin: 26px 0 10px;
  color: var(--ink-2);
}

.chapter-grid,
.book-grid {
  display: grid;
  gap: 8px;
}

.chapter-grid {
  grid-template-columns: repeat(auto-fill, minmax(52px, 1fr));
}

.book-grid {
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
}

.chapter-grid .ch,
.book-grid .bk {
  border: 1px solid var(--hair);
  background: var(--paper);
  border-radius: 9px;
  text-decoration: none;
  color: var(--ink);
  text-align: center;
  padding: 12px 6px;
  font-size: 16px;
}

.book-grid .bk {
  text-align: left;
  padding: 12px 14px;
  font-weight: 600;
  font-size: 15.5px;
}

.book-grid .bk em {
  font-style: normal;
  display: block;
  font-weight: 400;
  font-size: 12px;
  color: var(--ink-3);
  margin-top: 2px;
}

.chapter-grid .ch:hover,
.book-grid .bk:hover {
  border-color: var(--green);
  color: var(--green);
}

/* ---------- 주제별 구절 모음 ---------- */
.topic-intro {
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.7;
  margin: 0 0 22px;
}

.verse-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.verse-card {
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: 12px;
  padding: 16px 18px;
}

.verse-card__ref {
  color: var(--green);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.verse-card__text {
  font-size: 18px;
  line-height: 1.8;
  margin: 8px 0 10px;
}

.verse-card__text sup {
  font-size: 0.6em;
  color: var(--green);
  font-weight: 700;
  margin-right: 5px;
}

.verse-card__more {
  color: var(--ink-3);
  font-size: 13px;
  text-decoration: none;
}

.verse-card__more:hover {
  color: var(--green);
}

.webtags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.webtag {
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: 999px;
  color: var(--ink-2);
  font-size: 14px;
  padding: 8px 15px;
  text-decoration: none;
}

.webtag:hover {
  border-color: var(--green);
  color: var(--green);
}

.webtag--all {
  border-color: var(--green);
  color: var(--green);
  font-weight: 600;
}

/* ---------- 앱 CTA ---------- */
.app-cta-block {
  border-top: 1px solid var(--hair);
  margin-top: 32px;
  padding-top: 20px;
  text-align: center;
}

.app-cta-block p {
  color: var(--ink-2);
  font-size: 14.5px;
  margin: 0 0 14px;
}

.store-badges {
  display: flex;
  gap: 10px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.store-badges img {
  height: 48px;
  width: auto;
  display: block;
}

.read-foot {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--page-bg) 92%, transparent);
  backdrop-filter: blur(6px);
  border-top: 1px solid var(--hair);
  z-index: 20;
}

.read-foot__cta {
  display: block;
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  background: var(--green);
  color: #fff;
  border-radius: 10px;
  padding: 14px 12px;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.01em;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page-bg: #1a1a1a;
    --ink: #ecece6;
    --ink-2: #b3aea2;
    --ink-3: #807b70;
    --hair: #33322e;
    --paper: #242420;
  }

  .app-banner {
    background: #242420;
  }

  .verses .verse.hl {
    background: #3a3520;
  }
}