/* =============================================================================
   Edition layer - online book, not a themed wiki
   Loaded last. Original covers stay as-is.
   ============================================================================= */

/* Hide leftover Architect chrome if the remote theme injects it */
#header,
header.inner,
.page-header,
#footer.inner,
.inner .clearfix {
  display: none !important;
}

.brand-link {
  background: none !important;
  -webkit-background-clip: unset !important;
  background-clip: unset !important;
  -webkit-text-fill-color: unset !important;
  color: var(--desk) !important;
}

.github-link {
  background: var(--desk) !important;
  color: #fffaf2 !important;
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  box-shadow: none;
}

.github-link:hover {
  background: var(--copper) !important;
  color: #fffaf2 !important;
}

/* Running header: tighter, more like a bound book */
.book-header {
  background: rgba(255, 250, 242, 0.94) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: #fffaf2;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.1rem;
  height: 1.5px;
  margin: 0 auto;
  background: var(--desk);
}

.nav-toggle[aria-expanded="true"] {
  border-color: var(--copper);
}

.breadcrumb {
  background: transparent !important;
  padding: 0 0 0.25rem !important;
  border-radius: 0;
  margin-bottom: 0.5rem !important;
}

body.home-page .book-ornament {
  display: none;
}

body.chapter-page .book-ornament {
  width: min(160px, 50%);
  margin: 0.75rem auto 1.25rem;
  opacity: 0.7;
}

/* -------------------------------------------------------------------------- */
/* Title page                                                                  */
/* -------------------------------------------------------------------------- */

.title-page {
  text-align: center;
  padding: 0.5rem 0 1.5rem;
}

.title-page > h1:first-child {
  font-family: var(--display-font);
  font-size: clamp(2.4rem, 6vw, 3.6rem) !important;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin: 0.25rem 0 0.4rem !important;
}

.title-page .book-edition-kicker {
  margin-bottom: 1.6rem;
}

.title-page img.book-cover-img {
  max-width: min(100%, 380px) !important;
  margin: 0.25rem auto 1.6rem !important;
  transform: rotate(-1.4deg);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.title-page img.book-cover-img:hover {
  transform: rotate(0deg) translateY(-4px);
}

.title-page p {
  text-align: center !important;
  margin: 0.45rem 0;
}

.title-page p:last-of-type {
  max-width: 36rem;
  margin: 1.15rem auto 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.title-page .book-cta {
  margin: 0.35rem 0.35rem 0.15rem 0;
}

.title-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.65rem 1rem;
  margin: 1.1rem 0 0.35rem;
  font-family: var(--ui-font);
  font-size: 0.95rem;
}

/* -------------------------------------------------------------------------- */
/* Start-here paths                                                            */
/* -------------------------------------------------------------------------- */

.start-paths {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.25rem 0 0.5rem;
}

.start-path {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.15rem 1.1rem 1.2rem;
  background: #fffaf2;
  border: 1px solid var(--rule);
  border-radius: 12px;
  text-decoration: none !important;
  color: inherit !important;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.start-path:hover {
  transform: translateY(-3px);
  border-color: var(--copper);
  box-shadow: var(--shadow-md);
  color: inherit !important;
}

.start-path em {
  font-family: var(--display-font);
  font-style: normal;
  font-size: 1.35rem;
  color: var(--copper);
  line-height: 1;
}

.start-path strong {
  font-family: var(--display-font);
  font-size: 1.12rem;
  color: var(--desk);
}

.start-path span {
  font-family: var(--ui-font);
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* -------------------------------------------------------------------------- */
/* Book contents                                                               */
/* -------------------------------------------------------------------------- */

body.home-page .book-content {
  max-width: 46rem;
}

body.home-page .book-content > h2 {
  font-size: 1.85rem;
}

body.home-page .book-content > h3 {
  font-family: var(--ui-font);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--copper);
  border: none;
  margin: 2.1rem 0 0.35rem;
  padding: 0;
}

body.home-page .book-content > h3::after {
  display: none;
}

body.home-page .book-content > h3 + p {
  margin-top: 0.15rem;
  font-style: italic;
  color: var(--ink-soft);
}

.contents-table,
body.home-page .book-content table.contents-table {
  border: none !important;
  box-shadow: none !important;
  border-radius: 0 !important;
  margin: 0.35rem 0 0.75rem !important;
  font-size: 1rem !important;
  background: transparent !important;
}

.contents-table thead {
  display: none;
}

.contents-table td,
.contents-table th,
body.home-page .book-content table.contents-table td {
  border: none !important;
  border-bottom: 1px dotted rgba(27, 58, 75, 0.22) !important;
  background: transparent !important;
  padding: 0.55rem 0.35rem !important;
  vertical-align: baseline;
}

.contents-table tr td:first-child {
  width: 2.4rem;
  font-family: var(--display-font);
  font-weight: 650;
  color: var(--copper);
  text-align: right;
  padding-right: 0.85rem !important;
}

.contents-table tr td:nth-child(2) {
  font-family: var(--body-font);
}

.contents-table tr td:last-child {
  width: 4.5rem;
  text-align: right;
  font-family: var(--ui-font);
  font-size: 0.82rem;
  color: var(--ink-soft);
  white-space: nowrap;
}

.contents-table a {
  color: var(--desk) !important;
  text-decoration: none !important;
}

.contents-table a:hover {
  color: var(--copper) !important;
}

body.home-page .book-content > ul {
  list-style: none;
  padding: 0;
}

body.home-page .book-content > ul > li {
  padding: 0.35rem 0;
  border-bottom: 1px dotted rgba(27, 58, 75, 0.18);
}

/* -------------------------------------------------------------------------- */
/* Chapter openings                                                            */
/* -------------------------------------------------------------------------- */

.chapter-page .book-content > h1:first-child {
  font-size: clamp(1.85rem, 3.4vw, 2.35rem);
  text-align: left;
  margin-bottom: 1rem;
}

.chapter-page .book-content > blockquote:first-of-type,
.chapter-page .book-content > .chapter-header + blockquote {
  border: none;
  background: transparent;
  padding: 0.25rem 0 0.75rem;
  margin: 0 0 1.5rem;
  text-align: center;
}

.chapter-page .book-content > .chapter-header + blockquote p,
.chapter-page .book-content > blockquote:first-of-type p {
  font-size: 1.2rem;
  line-height: 1.55;
}

.chapter-page .book-content > p:first-of-type::first-letter {
  float: left;
  font-family: var(--display-font);
  font-weight: 700;
  font-size: 3.35rem;
  line-height: 0.78;
  padding: 0.12em 0.12em 0 0;
  color: var(--copper);
}

/* -------------------------------------------------------------------------- */
/* Chapter endpapers                                                           */
/* -------------------------------------------------------------------------- */

.chapter-navigation .nav-buttons {
  gap: 1rem;
}

.nav-button {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  padding: 1rem 1.15rem !important;
  background: #fffaf2 !important;
  color: var(--desk) !important;
}

.nav-button:hover {
  background: #fffaf2 !important;
  color: var(--copper) !important;
}

.nav-button.next {
  align-items: flex-end;
}

.nav-button .nav-dir {
  font-family: var(--ui-font);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--copper);
}

.nav-button .nav-title {
  font-family: var(--display-font);
  font-weight: 600;
  font-size: 1.02rem;
}

/* -------------------------------------------------------------------------- */
/* Colophon footer                                                             */
/* -------------------------------------------------------------------------- */

.book-footer {
  background: transparent !important;
  padding-top: 2rem !important;
}

.footer-content {
  gap: 1.75rem !important;
  margin-bottom: 1.5rem !important;
}

.footer-section h4 {
  font-size: 0.78rem !important;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-section h4::after {
  display: none !important;
}

.footer-bottom {
  border-top: 1px solid var(--rule);
  padding-top: 1rem;
  text-align: center;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.colophon-mark {
  display: block;
  width: 120px;
  height: 24px;
  margin: 0 auto 0.75rem;
  opacity: 0.7;
}

/* -------------------------------------------------------------------------- */
/* Chapters mega-menu                                                          */
/* -------------------------------------------------------------------------- */

@media (min-width: 901px) {
  .nav-dropdown:hover > .dropdown-content,
  .nav-dropdown.is-open > .dropdown-content {
    display: grid !important;
  }

  .nav-dropdown .dropdown-content {
    grid-template-columns: 1fr 1fr;
    min-width: 560px;
    max-height: 72vh;
    padding: 1.15rem 1.25rem;
  }

  .nav-dropdown .dropdown-content:not(:has(.dropdown-section)) {
    display: block;
    min-width: 220px;
  }
}

/* -------------------------------------------------------------------------- */
/* Mobile                                                                      */
/* -------------------------------------------------------------------------- */

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .book-nav {
    flex-wrap: wrap;
    align-items: center;
  }

  .nav-brand {
    flex: 1 1 auto;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 0.15rem;
    padding: 0.35rem 0 0.85rem;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links .nav-link,
  .nav-links .github-link {
    padding: 0.65rem 0.15rem;
  }

  .dropdown-content {
    position: static;
    box-shadow: none;
    border: none;
    padding: 0.25rem 0 0.5rem 0.75rem;
    min-width: 0;
    max-height: none;
  }

  .start-paths {
    grid-template-columns: 1fr;
  }

  .title-page img.book-cover-img {
    transform: none;
    max-width: min(100%, 260px) !important;
  }

  .chapter-page .book-content > p:first-of-type::first-letter {
    font-size: 2.7rem;
  }
}

/* -------------------------------------------------------------------------- */
/* Motion: book, not a landing page                                            */
/* -------------------------------------------------------------------------- */

.page-turn {
  position: fixed;
  inset: 0;
  z-index: 4000;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(154, 107, 63, 0.12) 0 14px, transparent 14px),
    linear-gradient(180deg, #fffaf2 0%, #f7f3eb 100%);
  transform: translateX(100%);
  box-shadow: -24px 0 48px rgba(18, 40, 51, 0.18);
}

body.is-turning .page-turn {
  animation: pageTurn 0.42s ease-in forwards;
}

@keyframes pageTurn {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

.reading-progress {
  background: linear-gradient(90deg, var(--copper), var(--gilt), var(--copper));
  background-size: 200% 100%;
  animation: giltFlow 8s linear infinite;
}

@keyframes giltFlow {
  from { background-position: 0 0; }
  to { background-position: 200% 0; }
}

.title-page > h1:first-child {
  animation: inkIn 0.7s ease both;
}

.title-page .book-edition-kicker {
  animation: inkIn 0.65s 0.08s ease both;
}

.title-page img.book-cover-img {
  animation: coverSettle 1.05s 0.12s cubic-bezier(0.22, 1, 0.36, 1) both, coverFloat 7s 1.3s ease-in-out infinite;
}

.title-page p {
  animation: inkIn 0.55s 0.22s ease both;
}

.title-page .title-actions {
  animation: inkIn 0.55s 0.32s ease both;
}

.title-page p:last-of-type {
  animation-delay: 0.4s;
}

.title-page .book-cta {
  animation: ctaGlow 3.6s 1s ease-in-out infinite;
}

@keyframes inkIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes coverSettle {
  from {
    opacity: 0;
    transform: translateY(28px) rotate(-6deg) scale(0.96);
  }
  to {
    opacity: 1;
    transform: rotate(-1.4deg) scale(1);
  }
}

@keyframes coverFloat {
  0%, 100% { transform: rotate(-1.4deg) translateY(0); }
  50% { transform: rotate(-0.6deg) translateY(-7px); }
}

@keyframes ctaGlow {
  0%, 100% { box-shadow: 0 2px 8px rgba(18, 40, 51, 0.08); }
  50% { box-shadow: 0 8px 22px rgba(154, 107, 63, 0.35); }
}

.chapter-header {
  animation: plateIn 0.75s ease both;
}

@keyframes plateIn {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.chapter-page .book-content > p:first-of-type::first-letter {
  animation: dropCapIn 0.55s 0.15s ease both;
}

@keyframes dropCapIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.start-path {
  animation: inkIn 0.55s ease both;
}

.start-path:nth-child(1) { animation-delay: 0.05s; }
.start-path:nth-child(2) { animation-delay: 0.14s; }
.start-path:nth-child(3) { animation-delay: 0.23s; }

.contents-table tbody tr {
  transition: background 0.2s ease, transform 0.2s ease;
}

.contents-table tbody tr:hover {
  background: rgba(196, 165, 116, 0.12) !important;
  transform: translateX(4px);
}

.contents-table tbody tr:hover td {
  background: transparent !important;
}

.book-content h2,
.book-content h3,
.book-content img,
.book-content blockquote,
.book-content table,
.chapter-navigation {
  --reveal-shift: 14px;
}

.reveal-ready {
  opacity: 0;
  transform: translateY(var(--reveal-shift, 14px));
}

.reveal-ready.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.book-content img.book-hero-gif.reveal-ready,
.book-content img[src*="microservices-animation"].reveal-ready {
  opacity: 1;
  transform: none;
}

.nav-links.is-open {
  animation: inkIn 0.28s ease both;
}

.back-to-top {
  display: none;
  animation: inkIn 0.25s ease both;
}

@media (max-width: 900px) {
  .title-page img.book-cover-img {
    animation: inkIn 0.7s ease both;
  }
}

@media (prefers-reduced-motion: reduce) {
  .title-page img.book-cover-img,
  .start-path,
  .title-page > h1:first-child,
  .title-page .book-edition-kicker,
  .title-page p,
  .title-page .title-actions,
  .title-page .book-cta,
  .chapter-header,
  .chapter-page .book-content > p:first-of-type::first-letter,
  .reading-progress,
  .nav-links.is-open,
  .back-to-top,
  .reveal-ready,
  .reveal-ready.is-in,
  body.is-turning .page-turn {
    animation: none !important;
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }

  .page-turn {
    display: none;
  }

  .contents-table tbody tr:hover {
    transform: none;
  }
}