:root{
  --b5-bg:#050302;
  --b5-black:#020201;
  --b5-panel:#120c07;
  --b5-panel2:#20150c;
  --b5-panel3:#2b1b0e;
  --b5-ink:#f9ead0;
  --b5-soft:#c8ad83;
  --b5-dim:#8d7453;
  --b5-copper:#ff9f43;
  --b5-amber:#ffd166;
  --b5-red:#ff4b3e;
  --b5-green:#7cffb2;
  --b5-cyan:#7afcff;
  --b5-purple:#a26dff;
  --b5-line:rgba(255,209,102,.25);
  --b5-glass:rgba(10,7,4,.76);
  --b5-shadow:rgba(0,0,0,.58);
}

*{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body.book5-page{
  margin:0;
  min-height:100vh;
  color:var(--b5-ink);
  background:
    radial-gradient(circle at 16% 0%, rgba(255,159,67,.22), transparent 34%),
    radial-gradient(circle at 86% 14%, rgba(124,255,178,.12), transparent 30%),
    radial-gradient(circle at 55% 96%, rgba(162,109,255,.13), transparent 38%),
    linear-gradient(135deg, #050302 0%, #130b06 42%, #020201 100%);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

body.book5-page::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:1000;
  pointer-events:none;
  opacity:.19;
  background:
    repeating-linear-gradient(0deg, transparent 0, transparent 3px, rgba(255,255,255,.04) 4px),
    repeating-linear-gradient(90deg, rgba(255,209,102,.025) 0, rgba(255,209,102,.025) 1px, transparent 1px, transparent 56px);
  mix-blend-mode:screen;
}

body.book5-page::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:999;
  opacity:.28;
  background:
    radial-gradient(circle at 50% 50%, transparent 0%, transparent 58%, rgba(0,0,0,.58) 100%);
}

.book5-wrap{
  width:min(1240px, calc(100vw - 28px));
  margin:0 auto;
  padding:26px 0 138px;
}

.top-rig-label{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
  justify-content:space-between;
  margin-bottom:14px;
  color:var(--b5-dim);
  font-size:.78rem;
  letter-spacing:.12em;
}

.top-rig-label span{
  display:inline-flex;
  align-items:center;
  min-height:28px;
  padding:5px 9px;
  border:1px solid rgba(255,209,102,.18);
  border-radius:999px;
  background:rgba(255,255,255,.035);
}

.book5-hero{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:minmax(230px, 330px) minmax(0,1fr);
  gap:22px;
  align-items:stretch;
  padding:20px;
  border:1px solid var(--b5-line);
  border-radius:28px;
  background:
    linear-gradient(135deg, rgba(32,21,12,.95), rgba(5,3,2,.91)),
    radial-gradient(circle at 82% 15%, rgba(255,209,102,.2), transparent 36%);
  box-shadow:
    0 26px 70px var(--b5-shadow),
    inset 0 0 60px rgba(255,159,67,.05);
}

.book5-hero::before{
  content:"LIBERATION ENGINE // HANDSHAKE REQUEST DENIED // OFFLINE AUTHORITY ASSERTED";
  position:absolute;
  left:-40px;
  right:-40px;
  top:18px;
  transform:rotate(-2deg);
  color:rgba(255,209,102,.07);
  font-size:clamp(1.8rem, 5vw, 5rem);
  font-weight:900;
  white-space:nowrap;
  pointer-events:none;
}

.book5-cover-card{
  position:relative;
  z-index:1;
  border:1px solid rgba(255,209,102,.36);
  border-radius:22px;
  padding:10px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.055), rgba(0,0,0,.24)),
    #070504;
  box-shadow:
    0 0 32px rgba(255,159,67,.2),
    inset 0 0 22px rgba(255,209,102,.05);
}

.book5-cover-card img{
  display:block;
  width:100%;
  max-height:455px;
  object-fit:contain;
  border-radius:15px;
}

.book5-cover-card::after{
  content:"MECH BAY ACCESS";
  position:absolute;
  left:16px;
  right:16px;
  bottom:16px;
  padding:7px 8px;
  text-align:center;
  color:var(--b5-green);
  border:1px solid rgba(124,255,178,.35);
  border-radius:999px;
  background:rgba(0,0,0,.64);
  font-size:.72rem;
  letter-spacing:.16em;
}

.hero-console{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-rows:auto 1fr auto;
  gap:14px;
  padding:14px;
  border:1px solid rgba(255,209,102,.18);
  border-radius:20px;
  background:
    linear-gradient(180deg, rgba(255,159,67,.07), rgba(0,0,0,.16)),
    rgba(3,2,1,.26);
}

.beta-flag{
  display:inline-flex;
  width:max-content;
  align-items:center;
  gap:8px;
  margin-bottom:10px;
  padding:7px 10px;
  border:1px solid rgba(124,255,178,.45);
  border-radius:999px;
  color:var(--b5-green);
  background:rgba(124,255,178,.08);
  font-size:.76rem;
  letter-spacing:.16em;
}

.beta-flag::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--b5-green);
  box-shadow:0 0 14px var(--b5-green);
}

.book5-hero h1{
  margin:0;
  font-size:clamp(2.35rem, 7vw, 6.4rem);
  line-height:.86;
  letter-spacing:.018em;
  color:#fff5d1;
  text-shadow:
    0 0 10px rgba(255,209,102,.78),
    0 0 26px rgba(255,159,67,.48),
    0 0 54px rgba(255,75,62,.22);
}

.book5-hero h2{
  margin:12px 0;
  font-size:clamp(1.15rem, 3vw, 2.15rem);
  color:var(--b5-copper);
  letter-spacing:.16em;
}

.hero-copy{
  max-width:72ch;
  color:var(--b5-soft);
  font-size:1rem;
  line-height:1.7;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:16px;
}

.hero-actions a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:42px;
  color:#120a04;
  background:linear-gradient(180deg, var(--b5-amber), var(--b5-copper));
  text-decoration:none;
  border-radius:999px;
  padding:10px 15px;
  font-weight:900;
  box-shadow:0 0 20px rgba(255,159,67,.25);
}

.hero-actions a.secondary{
  color:var(--b5-ink);
  background:rgba(255,255,255,.055);
  border:1px solid var(--b5-line);
}

.engine-dashboard{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:10px;
}

.dial{
  min-height:102px;
  padding:12px;
  border:1px solid rgba(255,209,102,.22);
  border-radius:16px;
  background:
    radial-gradient(circle at 50% 0%, rgba(255,209,102,.12), transparent 50%),
    rgba(0,0,0,.22);
}

.dial small{
  display:block;
  color:var(--b5-dim);
  font-size:.7rem;
  letter-spacing:.12em;
}

.dial strong{
  display:block;
  margin:9px 0 7px;
  color:#fff4cf;
  font-size:1.1rem;
}

.meter{
  height:8px;
  overflow:hidden;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.08);
}

.meter span{
  display:block;
  height:100%;
  border-radius:999px;
  background:linear-gradient(90deg, var(--b5-red), var(--b5-amber), var(--b5-green));
  box-shadow:0 0 16px rgba(124,255,178,.38);
}

.lore-panels{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:18px;
  margin:22px 0;
}

.lore-card{
  position:relative;
  overflow:hidden;
  border:1px solid var(--b5-line);
  border-radius:22px;
  background:
    linear-gradient(180deg, rgba(32,21,12,.82), rgba(7,5,4,.88));
  box-shadow:0 20px 48px rgba(0,0,0,.34);
}

.lore-card header{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:14px 16px;
  border-bottom:1px solid rgba(255,209,102,.16);
  color:var(--b5-amber);
  letter-spacing:.12em;
  font-size:.82rem;
}

.lore-card header b{
  color:var(--b5-green);
}

.lore-card .body{
  padding:16px;
}

.foundry-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:10px;
}

.foundry-cell{
  min-height:104px;
  padding:12px;
  border:1px solid rgba(255,209,102,.18);
  border-radius:16px;
  background:
    linear-gradient(145deg, rgba(255,159,67,.09), rgba(124,255,178,.045));
}

.foundry-cell strong{
  display:block;
  color:#fff3cf;
  margin-bottom:6px;
}

.foundry-cell p{
  margin:0;
  color:var(--b5-soft);
  font-size:.84rem;
  line-height:1.45;
}

.signal-stack{
  display:grid;
  gap:9px;
}

.signal-row{
  display:grid;
  grid-template-columns:84px 1fr;
  gap:10px;
  align-items:center;
  padding:9px;
  border:1px solid rgba(255,209,102,.15);
  border-radius:14px;
  background:rgba(255,255,255,.035);
}

.signal-row b{
  color:var(--b5-cyan);
  font-size:.8rem;
}

.signal-row span{
  color:var(--b5-soft);
  font-size:.84rem;
  line-height:1.35;
}

.series-section{
  margin:22px 0;
  padding:18px;
  border:1px solid var(--b5-line);
  border-radius:24px;
  background:
    radial-gradient(circle at 10% 0%, rgba(255,159,67,.12), transparent 34%),
    rgba(8,6,4,.76);
}

.series-section h3{
  margin:0 0 14px;
  color:var(--b5-amber);
  font-size:.96rem;
  letter-spacing:.16em;
}

.series-cover-grid{
  display:grid;
  grid-template-columns:repeat(6, minmax(0,1fr));
  gap:12px;
}

.series-cover-card{
  min-width:0;
  display:grid;
  grid-template-rows:auto 1fr;
  color:var(--b5-ink);
  text-decoration:none;
  border:1px solid rgba(255,209,102,.18);
  border-radius:18px;
  overflow:hidden;
  background:
    linear-gradient(180deg, rgba(255,255,255,.055), rgba(0,0,0,.2));
  transition:transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.series-cover-card:hover{
  transform:translateY(-3px);
  border-color:rgba(255,209,102,.48);
  box-shadow:0 15px 36px rgba(0,0,0,.34);
}

.series-cover-card.current{
  border-color:rgba(124,255,178,.48);
  box-shadow:0 0 28px rgba(124,255,178,.11);
}

.cover-thumb{
  aspect-ratio:2/3;
  display:grid;
  place-items:center;
  background:#050302;
  border-bottom:1px solid rgba(255,209,102,.14);
}

.cover-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

.missing-cover{
  display:grid;
  place-items:center;
  width:100%;
  height:100%;
  color:rgba(255,209,102,.56);
  font-size:2rem;
  font-weight:900;
  background:
    radial-gradient(circle at 50% 30%, rgba(255,209,102,.14), transparent 45%),
    repeating-linear-gradient(45deg, rgba(255,255,255,.035) 0, rgba(255,255,255,.035) 2px, transparent 2px, transparent 8px);
}

.series-copy{
  padding:10px;
}

.series-copy small{
  display:block;
  color:var(--b5-green);
  font-size:.58rem;
  letter-spacing:.11em;
  line-height:1.3;
}

.series-copy strong{
  display:block;
  margin-top:5px;
  color:#fff3cf;
  font-size:.82rem;
}

.series-copy span{
  display:block;
  margin-top:3px;
  color:var(--b5-copper);
  font-size:.72rem;
}

.series-copy p{
  min-height:42px;
  margin:7px 0 8px;
  color:var(--b5-soft);
  font-size:.68rem;
  line-height:1.32;
}

.series-copy b{
  display:inline-flex;
  padding:4px 7px;
  color:#120a04;
  border-radius:999px;
  background:linear-gradient(180deg, var(--b5-amber), var(--b5-copper));
  font-size:.7rem;
}

.reader-frame{
  margin-top:22px;
  padding:16px;
  border:1px solid var(--b5-line);
  border-radius:24px;
  background:
    linear-gradient(180deg, rgba(255,159,67,.055), rgba(0,0,0,.18)),
    rgba(8,6,4,.7);
}

.reader-frame-title{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  margin-bottom:14px;
  color:var(--b5-dim);
  font-size:.78rem;
  letter-spacing:.12em;
}

.reader-frame-title b{
  color:var(--b5-green);
}

.book5-reader-shell{
  display:grid;
  grid-template-columns:292px minmax(0,1fr);
  gap:18px;
  align-items:start;
}

.book5-toc{
  position:sticky;
  top:14px;
  max-height:calc(100vh - 28px);
  overflow:auto;
  padding:14px;
  border:1px solid var(--b5-line);
  border-radius:20px;
  background:
    linear-gradient(180deg, rgba(32,21,12,.96), rgba(5,3,2,.94));
  box-shadow:0 18px 38px rgba(0,0,0,.35);
}

.toc-label{
  margin-bottom:10px;
  color:var(--b5-amber);
  font-size:.76rem;
  letter-spacing:.12em;
  line-height:1.35;
}

.book5-toc a{
  display:block;
  padding:8px 9px;
  margin:4px 0;
  color:var(--b5-soft);
  border:1px solid transparent;
  border-radius:10px;
  text-decoration:none;
  font-size:.84rem;
}

.book5-toc a:hover{
  color:var(--b5-ink);
  border-color:rgba(255,209,102,.24);
  background:rgba(255,159,67,.08);
}

.book5-manuscript{
  padding:clamp(18px, 3vw, 40px);
  border:1px solid var(--b5-line);
  border-radius:24px;
  background:
    linear-gradient(180deg, rgba(20,15,10,.97), rgba(7,5,4,.97)),
    repeating-linear-gradient(90deg, transparent 0, transparent 36px, rgba(255,209,102,.035) 37px);
  box-shadow:0 28px 70px rgba(0,0,0,.45);
}

.reader-section{
  scroll-margin-top:20px;
  margin-bottom:42px;
}

.book5-manuscript h1{
  margin:0 0 6px;
  font-size:clamp(2rem, 5vw, 4.5rem);
  line-height:.9;
  color:#fff3cc;
  text-shadow:0 0 20px rgba(255,159,67,.45);
}

.book5-manuscript h2{
  margin:28px 0 16px;
  color:var(--b5-amber);
  font-size:clamp(1.35rem, 3vw, 2.2rem);
  line-height:1.15;
  letter-spacing:.04em;
}

.reader-subtitle{
  color:var(--b5-copper) !important;
  letter-spacing:.14em !important;
}

.book-kicker{
  color:var(--b5-green);
  letter-spacing:.2em;
  font-weight:800;
}

.book5-manuscript p{
  margin:0 0 1.05rem;
  color:#f2dfc0;
  font-family: Georgia, "Times New Roman", serif;
  font-size:1.065rem;
  line-height:1.78;
}

.book5-manuscript strong{
  color:#fff4cc;
}

.book5-manuscript em{
  color:#ffe0a3;
}

.book5-manuscript .endcap{
  color:var(--b5-green);
  font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  letter-spacing:.08em;
  text-align:center;
  margin:2rem 0;
}

@media (max-width:1080px){
  .series-cover-grid{
    grid-template-columns:repeat(3, minmax(0,1fr));
  }

  .engine-dashboard{
    grid-template-columns:1fr;
  }
}

@media (max-width:920px){
  .book5-hero,
  .lore-panels,
  .book5-reader-shell{
    grid-template-columns:1fr;
  }

  .book5-toc{
    position:relative;
    top:auto;
    max-height:none;
  }
}

@media (max-width:620px){
  .book5-wrap{
    width:min(100% - 18px, 1240px);
  }

  .series-cover-grid,
  .foundry-grid{
    grid-template-columns:1fr;
  }

  .signal-row{
    grid-template-columns:1fr;
  }
}