:root {
  --sand: #f8f1df;
  --paper: #fff8ea;
  --ink: #3a2b1a;
  --edge: #c7a97e;
  --ruby: #b9444f;
  --moss: #4a7b45;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Heebo", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 10%, rgba(185,68,79,0.12), transparent 34%),
    radial-gradient(circle at 84% 14%, rgba(74,123,69,0.14), transparent 30%),
    var(--sand);
}
a { color: inherit; text-decoration: none; }

.scrollbar {
  position: sticky;
  top: 0;
  z-index: 54;
  background: rgba(255, 248, 234, 0.96);
  border-bottom: 2px solid var(--edge);
}
.scrollbar-inner {
  width: min(1300px, 97vw);
  margin: 0 auto;
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.brandline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Syne", sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.brandline img { width: 44px; height: 44px; }
.menu-toggle {
  margin-left: auto;
  display: none;
  border: 2px solid #8d6f4e;
  background: #fff8ea;
  border-radius: 6px;
  padding: 8px 12px;
  font-weight: 700;
}
.chapter-nav {
  margin-left: auto;
  display: flex;
  gap: 10px;
}
.chapter-nav a {
  padding: 8px 11px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 700;
}
.chapter-nav a.on,
.chapter-nav a:hover {
  border-color: var(--ruby);
  background: #ffe8ea;
}

.codex {
  width: min(1300px, 97vw);
  margin: 22px auto 72px;
  display: grid;
  gap: 16px;
}
.hero-book {
  border: 2px solid var(--edge);
  border-radius: 16px;
  background: var(--paper);
  padding: clamp(20px, 4vw, 42px);
  display: grid;
  grid-template-columns: 1fr 330px;
  gap: 16px;
}
.hero-book h1 {
  margin: 0;
  font-family: "Syne", sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.95rem);
  line-height: 1.08;
}
.seals {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.seals span {
  border: 1px solid #c8a986;
  border-radius: 999px;
  background: #fff0df;
  padding: 7px 11px;
  font-size: 0.83rem;
  font-weight: 700;
}
.legend {
  border: 2px dashed #b89b75;
  border-radius: 14px;
  background: #fff2e0;
  padding: 16px;
}
.legend h2 {
  margin: 0 0 8px;
  font-family: "Syne", sans-serif;
  font-size: 1.05rem;
  color: var(--moss);
}
.legend ul { margin: 0; padding-left: 18px; display: grid; gap: 7px; }

.playscroll {
  border: 2px solid var(--edge);
  border-radius: 16px;
  overflow: hidden;
  background: #fffef9;
}
.playscroll-head {
  padding: 13px 16px;
  border-bottom: 2px solid #e3cfb4;
  background: #fff2e0;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
.playscroll h2 { margin: 0; font-family: "Syne", sans-serif; font-size: 1rem; }
.playscroll iframe {
  width: 100%;
  min-height: 620px;
  border: 0;
  display: block;
}

.loregrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.loregrid article {
  border: 2px solid #dfc3a2;
  border-radius: 10px;
  background: #fff9ef;
  padding: 12px;
}
.loregrid h3 {
  margin: 0 0 6px;
  font-family: "Syne", sans-serif;
  font-size: 0.95rem;
  color: var(--ruby);
}

.script-page {
  border: 2px solid var(--edge);
  border-radius: 16px;
  background: #fffdf7;
  padding: clamp(18px, 3vw, 34px);
}
.script-page h1 {
  margin: 0 0 8px;
  font-family: "Syne", sans-serif;
  font-size: clamp(1.55rem, 3vw, 2.35rem);
}
.script-page h2 {
  margin: 14px 0 6px;
  color: var(--moss);
  font-size: 1.04rem;
}

.backmatter {
  border-top: 2px solid var(--edge);
  background: #fff4e3;
}
.backmatter-inner {
  width: min(1300px, 97vw);
  margin: 0 auto;
  padding: 22px 0 34px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}
.backmatter nav { display: flex; gap: 12px; flex-wrap: wrap; }

.guard {
  position: fixed;
  inset: 0;
  z-index: 98;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 12px;
  background: rgba(63, 40, 23, 0.75);
}
.guard.show { display: flex; }
.guard-card {
  width: min(500px, 95vw);
  border: 2px solid #9f7a54;
  border-radius: 12px;
  background: #fff7e8;
  padding: 20px;
}
.guard-card h2 {
  margin: 0 0 8px;
  font-family: "Syne", sans-serif;
}
.guard-actions { margin-top: 14px; display: flex; gap: 10px; }
.guard-actions button {
  border: 0;
  border-radius: 8px;
  padding: 10px 13px;
  font-weight: 700;
}
.allow18 { background: var(--moss); color: #f5fff1; }
.deny18 { background: var(--ruby); color: #fff1f2; }

@media (max-width: 980px) {
  .hero-book { grid-template-columns: 1fr; }
  .loregrid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .menu-toggle { display: inline-flex; }
  .chapter-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 78px;
    background: #fff8ea;
    border-bottom: 2px solid var(--edge);
    flex-direction: column;
    padding: 12px;
  }
  .chapter-nav.open { display: flex; }
  .chapter-nav a { border: 1px solid #d8ba96; }
  .loregrid { grid-template-columns: 1fr; }
}