/* Untold Story — giao diện đọc truyện, mobile-first */

:root{
  --bg:#fbfaf8; --surface:#fff; --ink:#1c1a18; --ink-soft:#5c564f;
  --line:#e6e1da; --accent:#9b2c2c; --accent-soft:#f6ecec;
  --w:44rem;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}

/* ---------- header / footer ---------- */
header.site{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.9rem 1.1rem;background:var(--surface);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:20;
}
header.site .brand{
  font-family:"Playfair Display",Georgia,serif;font-weight:800;font-size:1.22rem;
  letter-spacing:-.02em;text-decoration:none;color:var(--ink);
}
header.site nav a{font-size:.9rem;color:var(--ink-soft);text-decoration:none}

footer.site{
  margin-top:3.5rem;padding:2rem 1.1rem 3rem;border-top:1px solid var(--line);
  background:var(--surface);text-align:center;
}
footer.site nav{display:flex;flex-wrap:wrap;gap:.4rem 1.1rem;justify-content:center;margin-bottom:1rem}
footer.site nav a{font-size:.85rem;color:var(--ink-soft);text-decoration:none}
footer.site nav a:hover{color:var(--accent)}
.fine{font-size:.78rem;color:var(--ink-soft);margin:.4rem 0;line-height:1.6}

/* ---------- trang chủ ---------- */
/* ---------- hero trang chủ ---------- */
.hero{
  position:relative;overflow:hidden;text-align:center;
  padding:4.2rem 1.2rem 3.6rem;
  background:
    radial-gradient(120% 130% at 50% -10%, #4a2020 0%, transparent 60%),
    linear-gradient(165deg,#241a17 0%,#160f0e 55%,#0e0908 100%);
  color:#f5ece4;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    repeating-linear-gradient(90deg,rgba(255,255,255,.028) 0 1px,transparent 1px 4px),
    radial-gradient(80% 60% at 50% 100%, rgba(155,44,44,.30), transparent 70%);
}
.hero-inner{position:relative;max-width:46rem;margin:0 auto}
.hero .eyebrow{
  margin:0 0 1rem;font-size:.68rem;letter-spacing:.34em;text-transform:uppercase;
  color:#c69a72;font-weight:600;
}
.hero h1{
  font-family:"Playfair Display",Georgia,"Times New Roman",serif;
  font-weight:800;font-size:clamp(2.7rem,11vw,5.4rem);line-height:.98;
  letter-spacing:-.025em;margin:0;
  background:linear-gradient(180deg,#fff8f0 25%,#e6bc90 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 2px 30px rgba(230,188,144,.14);
}
.hero .rule{display:flex;align-items:center;justify-content:center;gap:.9rem;margin:1.3rem auto 1.1rem;max-width:19rem}
.hero .rule span{flex:1;height:1px;background:linear-gradient(90deg,transparent,#b98a5e,transparent)}
.hero .rule i{color:#c69a72;font-style:normal;font-size:.72rem}
.hero .tag{
  margin:0;font-family:"Playfair Display",Georgia,serif;font-style:italic;
  font-size:clamp(1rem,3.4vw,1.22rem);color:#d8c3b0;line-height:1.5;
}

/* dải phân cách trên lưới truyện */
.strip{
  display:flex;align-items:center;gap:.8rem;max-width:70rem;margin:2.2rem auto .2rem;
  padding:0 1.2rem;
}
.strip span{
  font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;font-weight:700;color:var(--ink-soft);
}
.strip::after{content:"";flex:1;height:1px;background:var(--line)}
.strip em{
  font-style:normal;font-size:.7rem;font-weight:700;color:var(--accent);
  background:var(--accent-soft);padding:.15rem .45rem;border-radius:3px;
}

.grid{
  display:grid;gap:1.1rem;padding:1rem 1.1rem;max-width:70rem;margin:0 auto;
  grid-template-columns:1fr;
}
@media(min-width:40rem){.grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:64rem){.grid{grid-template-columns:repeat(3,1fr)}}

.card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
  text-decoration:none;transition:transform .15s,box-shadow .15s;
}
.card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.08)}
.card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--accent-soft)}
.card .thumb img{width:100%;height:100%;object-fit:cover;object-position:center 30%}
.card .nocover{
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  padding:1.1rem;text-align:center;
}
.card .nocover span{
  font-family:"Playfair Display",Georgia,serif;font-weight:600;font-size:.98rem;
  line-height:1.32;color:#fff;text-shadow:0 1px 12px rgba(0,0,0,.3);
  display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;
}
.card .nocover.c0{background:linear-gradient(150deg,#6d2f2f,#2f1717)}
.card .nocover.c1{background:linear-gradient(150deg,#2f4155,#161f2b)}
.card .nocover.c2{background:linear-gradient(150deg,#5a4326,#241a10)}
.card .nocover.c3{background:linear-gradient(150deg,#3d2f4d,#1c1526)}
.card .meta{padding:.95rem 1rem 1.1rem}
.card .cat{
  display:inline-block;font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;
  color:var(--accent);background:var(--accent-soft);padding:.2rem .5rem;border-radius:4px;
}
.card h2{
  font-family:"Playfair Display",Georgia,serif;font-weight:600;
  font-size:1.09rem;line-height:1.28;margin:.5rem 0 .4rem;letter-spacing:-.01em;
}
.card p{font-size:.87rem;color:var(--ink-soft);margin:0 0 .7rem;line-height:1.55}
.card .more{font-size:.8rem;color:var(--accent);font-weight:600}

/* ---------- trang truyện / chapter ---------- */
article{max-width:var(--w);margin:0 auto;padding:1.4rem 1.1rem 0}
.crumb{font-size:.8rem;color:var(--ink-soft);margin-bottom:.9rem}
.crumb a{text-decoration:none}
.crumb a:hover{color:var(--accent)}
.crumb span{margin:0 .35rem;opacity:.5}

article h1{
  font-family:"Playfair Display",Georgia,serif;font-weight:800;
  font-size:1.7rem;line-height:1.2;letter-spacing:-.02em;margin:.2rem 0 .6rem;
}
@media(min-width:40rem){article h1{font-size:2.25rem}}
.byline{font-size:.82rem;color:var(--ink-soft);padding-bottom:1.1rem;border-bottom:1px solid var(--line)}
.progress{
  font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);font-weight:700;
}
img.cover{width:100%;border-radius:10px;margin:1.3rem 0;aspect-ratio:4/3;object-fit:cover;object-position:center 25%}

.intro,.body{font-size:1.06rem;line-height:1.78;padding:1.3rem 0}
@media(min-width:40rem){.intro,.body{font-size:1.1rem}}
.intro p,.body p{margin:0 0 1.15rem}

/* hội thoại */
p.dlg{
  margin:0 0 .75rem;padding-left:.9rem;border-left:2px solid var(--line);
}
p.dlg .who{
  display:block;font-size:.76rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.06em;color:var(--accent);margin-bottom:.12rem;
}

/* nút bắt đầu đọc */
.start{
  display:block;text-align:center;background:var(--accent);color:#fff;
  padding:.95rem 1.2rem;border-radius:9px;text-decoration:none;font-weight:600;
  margin:1.2rem 0 2rem;
}
.start:hover{background:#7f2323}

/* mục lục */
.toc-head{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-soft);margin:0 0 .7rem}
ol.toc{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
ol.toc li{border-bottom:1px solid var(--line)}
ol.toc a{display:flex;gap:.85rem;align-items:baseline;padding:.85rem .2rem;text-decoration:none}
ol.toc a:hover{background:var(--surface)}
ol.toc .n{font-size:.78rem;color:var(--accent);font-weight:700;min-width:1.3rem}
ol.toc .t{font-size:.95rem;line-height:1.45}

/* điều hướng chapter */
.chapnav{display:grid;grid-template-columns:1fr 1fr;gap:.7rem;margin:1.6rem 0}
.chapnav .nav{
  display:flex;flex-direction:column;gap:.15rem;padding:.85rem .95rem;
  background:var(--surface);border:1px solid var(--line);border-radius:9px;
  text-decoration:none;
}
.chapnav .nav:hover{border-color:var(--accent)}
.chapnav .lbl{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft)}
.chapnav .val{font-size:.92rem;font-weight:600}
.chapnav .next{text-align:right;background:var(--accent-soft);border-color:#e8d5d5}
.chapnav .next .val{color:var(--accent)}

details.alltoc{margin:0 0 2rem;border:1px solid var(--line);border-radius:9px;background:var(--surface)}
details.alltoc summary{padding:.8rem 1rem;cursor:pointer;font-size:.88rem;font-weight:600}
details.alltoc .list{display:flex;flex-direction:column;padding:0 1rem 1rem}
details.alltoc a{padding:.45rem 0;font-size:.88rem;text-decoration:none;color:var(--ink-soft);border-top:1px solid var(--line)}
details.alltoc a.on{color:var(--accent);font-weight:600}

.static .body{font-size:1rem}