/* HTML edition of Great App. Bad Business. Black/red reading chrome. */

:root {
  --gabb-bg: #070707;
  --gabb-ink: #f4f1ea;
  --gabb-muted: #b9b3a8;
  --gabb-red: #c41e3a;
  --gabb-line: rgba(255, 255, 255, 0.12);
  --gabb-panel: #111111;
  --gabb-measure: 40rem;
  --gabb-size: 1.125rem;
}

html { scroll-behavior: smooth; }

body.gabb-reader {
  margin: 0;
  min-height: 100vh;
  background: var(--gabb-bg);
  color: var(--gabb-ink);
  font-family: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  font-size: var(--gabb-size);
  line-height: 1.7;
}

body.gabb-reader.size-s { --gabb-size: 1rem; }
body.gabb-reader.size-m { --gabb-size: 1.125rem; }
body.gabb-reader.size-l { --gabb-size: 1.28rem; }
body.gabb-reader.size-xl { --gabb-size: 1.42rem; }

.skip-link {
  position: absolute;
  left: 12px;
  top: -40px;
  background: #fff;
  color: #111;
  padding: 8px 12px;
  border-radius: 8px;
  z-index: 200;
  font-weight: 700;
  font-family: system-ui, sans-serif;
}
.skip-link:focus { top: 12px; }

.reader-bar {
  position: sticky;
  top: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: rgba(7, 7, 7, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gabb-line);
  font-family: system-ui, sans-serif;
  font-size: 14px;
}
.reader-bar a,
.reader-bar button {
  color: var(--gabb-ink);
  background: transparent;
  border: 1px solid var(--gabb-line);
  border-radius: 8px;
  padding: 6px 10px;
  text-decoration: none;
  font: inherit;
  cursor: pointer;
}
.reader-bar a:hover,
.reader-bar button:hover {
  border-color: var(--gabb-red);
}
.reader-now {
  flex: 1;
  min-width: 0;
  color: var(--gabb-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.reader-tools { display: flex; gap: 6px; }

.read-progress {
  position: sticky;
  top: 45px;
  z-index: 79;
  height: 3px;
  background: transparent;
}
.read-progress span {
  display: block;
  height: 3px;
  width: 0;
  background: var(--gabb-red);
}

.toc-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 90;
}
.toc-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(22rem, 92vw);
  overflow: auto;
  z-index: 100;
  background: var(--gabb-panel);
  border-right: 1px solid var(--gabb-line);
  padding: 20px 16px 40px;
  font-family: system-ui, sans-serif;
  font-size: 14px;
}
.toc-kicker {
  margin: 0 0 12px;
  color: var(--gabb-red);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 12px;
}
.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.toc-list li { margin: 0 0 4px; }
.toc-list a {
  color: var(--gabb-ink);
  text-decoration: none;
  display: block;
  padding: 4px 6px;
  border-radius: 6px;
}
.toc-list a:hover,
.toc-list a[aria-current="page"] {
  background: rgba(196, 30, 58, 0.18);
}
.toc-part {
  margin: 14px 0 6px;
  color: var(--gabb-muted);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.chapter {
  max-width: var(--gabb-measure);
  margin: 0 auto;
  padding: 36px 22px 24px;
}
.part-kicker {
  color: var(--gabb-red);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-family: system-ui, sans-serif;
  font-weight: 700;
  margin: 0 0 10px;
}
.chapter h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin: 0 0 8px;
}
.chapter-sub {
  font-size: 1.2rem;
  color: var(--gabb-muted);
  margin: 0 0 28px;
}
.chapter h2 {
  font-size: 1.25rem;
  margin: 2.2em 0 0.7em;
  line-height: 1.3;
}
.chapter p { margin: 0 0 1.05em; }
.chapter p:last-child { margin-bottom: 0; }
.chapter ul,
.chapter ol {
  margin: 0 0 1.15em;
  padding-left: 1.3em;
}
.chapter li { margin: 0 0 0.65em; }
.book-sequence {
  font-family: system-ui, sans-serif;
  font-size: 0.92rem;
  color: #edd;
  border-left: 3px solid var(--gabb-red);
  padding: 8px 0 8px 14px;
  margin: 0 0 1.2em;
}
.chapter code {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.92em;
}

.chapter-end {
  max-width: var(--gabb-measure);
  margin: 0 auto;
  padding: 8px 22px 28px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-family: system-ui, sans-serif;
  font-size: 14px;
}
.chapter-end a {
  color: var(--gabb-ink);
  text-decoration: none;
  border: 1px solid var(--gabb-line);
  border-radius: 10px;
  padding: 10px 12px;
  flex: 1;
}
.chapter-end a:last-child { text-align: right; }
.chapter-end a:hover { border-color: var(--gabb-red); }

.reader-foot {
  border-top: 1px solid var(--gabb-line);
  text-align: center;
  padding: 24px 16px 40px;
  color: var(--gabb-muted);
  font-family: system-ui, sans-serif;
  font-size: 13px;
}
.reader-foot a { color: #f0c8cc; text-decoration: none; }
.reader-foot a:hover { text-decoration: underline; }

.cover-main {
  max-width: 920px;
  margin: 0 auto;
  padding: 32px 20px 12px;
  display: grid;
  grid-template-columns: minmax(200px, 320px) 1fr;
  gap: 28px;
  align-items: start;
}
.cover-hero {
  width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid var(--gabb-line);
  background: #000;
}
.cover-hero-3d {
  border: 0;
  border-radius: 0;
  background: transparent;
}
.cover-copy h1 { font-size: clamp(2rem, 5vw, 3rem); margin: 0 0 8px; }
.cover-copy .kicker {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  font-weight: 700;
  color: var(--gabb-red);
  font-family: system-ui, sans-serif;
  margin: 0 0 10px;
}
.cover-copy .lede { color: var(--gabb-muted); max-width: 42ch; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 16px;
  border-radius: 10px;
  font-family: system-ui, sans-serif;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border: 1px solid transparent;
}
.btn.primary { background: var(--gabb-red); color: #fff; }
.btn.ghost {
  background: transparent;
  color: var(--gabb-ink);
  border-color: var(--gabb-line);
}
.cover-toc {
  max-width: 920px;
  margin: 0 auto;
  padding: 12px 20px 40px;
  font-family: system-ui, sans-serif;
}
.cover-toc h2 { font-family: Georgia, serif; }
.cover-toc .toc-list { column-count: 2; column-gap: 32px; }
.cover-toc .toc-part { break-after: avoid; }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--gabb-red);
  outline-offset: 3px;
}

@media (max-width: 720px) {
  .cover-main { grid-template-columns: 1fr; }
  .cover-hero { max-width: 320px; }
  .cover-toc .toc-list { column-count: 1; }
  .reader-now { display: none; }
  .chapter-end { flex-direction: column; }
  .chapter-end a:last-child { text-align: left; }
}

@media print {
  .reader-bar, .read-progress, .toc-drawer, .toc-backdrop, .chapter-end { display: none !important; }
  body.gabb-reader { background: #fff; color: #111; }
  .chapter { max-width: none; }
}