:root {
  color-scheme: light;
  --ink: #15323d;
  --muted: #5b6d72;
  --paper: #f8f3e8;
  --paper-bright: #fffdf7;
  --surface: rgba(255, 253, 247, 0.92);
  --surface-solid: #fffdf7;
  --navy: #123c50;
  --blue: #145a73;
  --teal: #008f95;
  --yellow: #efb82d;
  --coral: #d94f3f;
  --copper: #ad6b45;
  --line: rgba(18, 60, 80, 0.16);
  --line-strong: rgba(18, 60, 80, 0.3);
  --focus: #d94f3f;
  --shadow: 0 24px 75px rgba(18, 48, 59, 0.13);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --content-width: 47rem;
  --reader-size: 1.16rem;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #edf2ee;
  --muted: #aebdbd;
  --paper: #102b35;
  --paper-bright: #163640;
  --surface: rgba(21, 52, 62, 0.94);
  --surface-solid: #163640;
  --navy: #ecf4ef;
  --blue: #8fc9d3;
  --teal: #56ced0;
  --yellow: #f1c34c;
  --coral: #ff7969;
  --copper: #e39a6c;
  --line: rgba(219, 239, 235, 0.14);
  --line-strong: rgba(219, 239, 235, 0.28);
  --focus: #ffb242;
  --shadow: 0 24px 75px rgba(0, 0, 0, 0.28);
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html {
  min-width: 20rem;
  background: var(--paper);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 7% 8%, rgba(0, 143, 149, 0.13), transparent 24rem),
    radial-gradient(circle at 94% 23%, rgba(239, 184, 45, 0.13), transparent 22rem),
    radial-gradient(circle at 80% 79%, rgba(217, 79, 63, 0.08), transparent 26rem),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.62;
}

body.reader-page { padding-bottom: 7.5rem; }
body.quiet-mode .field-background,
body.quiet-mode .chapter-context,
body.quiet-mode .reading-note,
body.quiet-mode .home-image { display: none; }
body.quiet-mode .reading-layout { grid-template-columns: minmax(0, var(--content-width)); }
body.quiet-mode .reader-card { box-shadow: none; }
body.quiet-mode .home-opening { grid-template-columns: minmax(0, 42rem); justify-content: center; }
body.quiet-mode .home-intro { padding-left: 0; }

a { color: inherit; text-decoration-thickness: 0.08em; text-underline-offset: 0.2em; }
button, select, summary { font: inherit; }
img { display: block; max-width: 100%; }

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.72rem 1rem;
  border-radius: 999px;
  background: var(--navy);
  color: var(--paper-bright);
  transform: translateY(-180%);
}

.skip-link:focus { transform: translateY(0); }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.field-background {
  position: fixed;
  inset: 0;
  z-index: -2;
  background: url("/assets/images/field-background-v1.jpg") center 28% / cover no-repeat;
  opacity: 0.075;
  filter: saturate(0.85) contrast(0.92);
  pointer-events: none;
}

:root[data-theme="dark"] .field-background {
  opacity: 0.055;
  filter: saturate(0.7) brightness(0.65);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  width: 100%;
  min-height: 5.1rem;
  padding: 0 max(1.5rem, calc((100% - 78rem) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(18px);
}

.wordmark { flex: 0 0 auto; text-decoration: none; }
.wordmark > span {
  display: block;
  color: var(--navy);
  font-family: var(--serif);
  font-size: 1.12rem;
  letter-spacing: 0.01em;
}
.wordmark em { color: var(--coral); font-style: normal; }
.wordmark small {
  display: block;
  margin-top: 0.05rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.header-actions,
.display-controls,
.site-nav { display: flex; align-items: center; }
.header-actions { min-width: 0; gap: 1.25rem; }
.site-nav { gap: 1.25rem; }
.site-nav a {
  position: relative;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] { color: var(--navy); }
.site-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -0.65rem;
  left: 0;
  height: 2px;
  background: var(--coral);
}

.display-controls {
  gap: 0.2rem;
  padding-left: 1rem;
  border-left: 1px solid var(--line);
}
.display-controls button,
.audio-dock button,
.resume-notice button {
  border: 0;
  font: inherit;
  cursor: pointer;
}
.display-controls button {
  min-width: 2.5rem;
  min-height: 2.5rem;
  padding: 0.38rem 0.58rem;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 750;
}
.display-controls button:hover,
.display-controls button[aria-pressed="true"] { background: color-mix(in srgb, var(--teal) 13%, transparent); color: var(--navy); }

.kicker, .aside-label {
  margin: 0 0 1rem;
  color: var(--coral);
  font-size: 0.76rem;
  font-weight: 780;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.primary-link {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  padding: 0.86rem 1.15rem 0.86rem 1.3rem;
  border-radius: 999px;
  background: var(--navy);
  color: var(--paper-bright);
  font-size: 0.94rem;
  font-weight: 750;
  text-decoration: none;
  box-shadow: 0 13px 30px rgba(18, 60, 80, 0.18);
}
.primary-link:hover { background: var(--teal); }

.home-main {
  width: min(78rem, calc(100% - 3rem));
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 5.5rem) 0 7rem;
}

.home-opening {
  display: grid;
  grid-template-columns: minmax(18rem, 0.86fr) minmax(24rem, 1.14fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: center;
}
.home-intro { padding-left: clamp(0rem, 5vw, 4rem); }
.home-intro h1 {
  margin: 0;
  color: var(--navy);
  font-family: var(--serif);
  font-size: clamp(4rem, 8vw, 7.1rem);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.84;
}
.home-intro h1 em { color: var(--teal); font-weight: 400; }
.home-intro > p:not(.kicker) {
  max-width: 35rem;
  margin: 2rem 0 2.25rem;
  color: var(--muted);
  font-family: var(--serif);
  font-size: clamp(1.18rem, 2vw, 1.45rem);
  line-height: 1.55;
}

.home-image {
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: visible;
}
.home-image::before {
  content: "";
  position: absolute;
  top: -8%;
  right: -6%;
  z-index: -1;
  width: 39%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--yellow);
  opacity: 0.92;
}
.home-image::after {
  content: "";
  position: absolute;
  right: 7%;
  bottom: -7%;
  width: 23%;
  aspect-ratio: 1;
  border: 2px solid color-mix(in srgb, var(--coral) 80%, transparent);
  border-radius: 50%;
}
.home-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0.45rem 5.5rem 0.45rem 0.45rem;
  box-shadow: var(--shadow);
}
.home-image figcaption {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  max-width: calc(100% - 2rem);
  padding: 0.54rem 0.72rem;
  border-radius: 0.25rem;
  background: rgba(10, 43, 55, 0.82);
  color: #fffdf7;
  font-size: 0.78rem;
  backdrop-filter: blur(7px);
}

.home-sequence {
  margin-top: clamp(6rem, 13vw, 11rem);
  display: grid;
  grid-template-columns: minmax(16rem, 0.68fr) minmax(24rem, 1.32fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}
.sequence-heading { position: sticky; top: 8rem; }
.sequence-heading h2,
.library-opening h1,
.error-main h1 {
  margin: 0;
  color: var(--navy);
  font-family: var(--serif);
  font-size: clamp(2.7rem, 5.3vw, 5rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.95;
}
.sequence-heading > p:not(.kicker),
.library-opening > p:not(.kicker) {
  max-width: 28rem;
  margin: 1.6rem 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 1.12rem;
}

.publication-list { margin: 0; padding: 0; list-style: none; }
.publication-card { border-top: 1px solid var(--line-strong); }
.publication-card:last-child { border-bottom: 1px solid var(--line-strong); }
.publication-card a {
  position: relative;
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr) auto;
  gap: 1.2rem;
  min-height: 12rem;
  padding: 1.7rem 0;
  text-decoration: none;
}
.publication-card a::before {
  content: "";
  position: absolute;
  inset: 0 -1.1rem;
  z-index: -1;
  border-radius: 0.35rem 1.8rem 0.35rem 0.35rem;
  background: color-mix(in srgb, var(--paper-bright) 72%, transparent);
  opacity: 0;
  transition: opacity 180ms ease;
}
.publication-card a:hover::before,
.publication-card a:focus-visible::before { opacity: 1; }
.publication-number { color: var(--coral); font-family: var(--serif); font-size: 1.28rem; }
.publication-card .kicker { margin-bottom: 0.45rem; color: var(--teal); }
.publication-card h2 {
  margin: 0;
  color: var(--navy);
  font-family: var(--serif);
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  font-weight: 400;
  line-height: 1.08;
}
.publication-card p { max-width: 37rem; margin: 0.55rem 0 0.85rem; color: var(--muted); }
.publication-card small { color: var(--blue); font-size: 0.78rem; font-weight: 720; }
.card-arrow { align-self: center; color: var(--teal); font-size: 1.35rem; }

.library-main {
  width: min(70rem, calc(100% - 3rem));
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 7rem) 0 8rem;
  display: grid;
  grid-template-columns: minmax(17rem, 0.72fr) minmax(24rem, 1.28fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}
.library-opening { position: sticky; top: 8rem; }
.library-opening h1 em { color: var(--teal); font-weight: 400; }
.library-opening .primary-link { margin-top: 1.9rem; }

.reading-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 70;
  height: 4px;
}
.reading-progress span { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--teal), var(--yellow) 58%, var(--coral)); }

.reading-layout {
  width: min(80rem, calc(100% - 3rem));
  margin: 0 auto;
  padding: clamp(3rem, 6vw, 5.5rem) 0 7rem;
  display: grid;
  grid-template-columns: minmax(9rem, 13rem) minmax(0, var(--content-width)) minmax(9rem, 13rem);
  gap: clamp(1.5rem, 3.4vw, 3rem);
  align-items: start;
  justify-content: center;
}
.chapter-context,
.reading-note {
  position: sticky;
  top: 7.3rem;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.5;
}
.aside-label { margin-bottom: 0.62rem; color: var(--teal); }
.aside-title { margin: 0; color: var(--navy); font-family: var(--serif); font-size: 1.05rem; }
.aside-rule { width: 2.6rem; height: 2px; margin: 1.25rem 0; background: linear-gradient(90deg, var(--yellow), var(--coral)); }
.section-index { max-height: calc(100vh - 13rem); margin: 0; padding: 0 0 0 1.05rem; overflow: auto; }
.section-index li { margin: 0 0 0.62rem; }
.section-index a { color: var(--muted); text-decoration: none; }
.section-index a:hover { color: var(--navy); text-decoration: underline; }

.reader-card {
  min-width: 0;
  padding: clamp(2rem, 6vw, 5rem);
  border: 1px solid color-mix(in srgb, var(--paper-bright) 88%, transparent);
  border-radius: 0.4rem 2.8rem 0.4rem 0.4rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.chapter-opening h1 {
  max-width: 41rem;
  margin: 0;
  color: var(--navy);
  font-family: var(--serif);
  font-size: clamp(2.8rem, 6vw, 4.9rem);
  font-weight: 400;
  letter-spacing: -0.052em;
  line-height: 0.97;
  text-wrap: balance;
}
.standfirst {
  max-width: 39rem;
  margin: 1.8rem 0 0;
  color: var(--blue);
  font-family: var(--serif);
  font-size: clamp(1.22rem, 2.2vw, 1.48rem);
  line-height: 1.55;
}
.chapter-meta { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.4rem 0 3.2rem; color: var(--muted); font-size: 0.8rem; }
.chapter-meta span + span::before { content: "·"; margin-right: 0.75rem; color: var(--coral); }

.chapter-image {
  position: relative;
  margin: 0 -1.5rem 3.7rem;
  overflow: hidden;
  border-radius: 0.3rem 2rem 0.3rem 0.3rem;
  box-shadow: 0 18px 44px rgba(14, 48, 61, 0.16);
}
.chapter-image img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.chapter-image figcaption {
  position: absolute;
  right: 0.9rem;
  bottom: 0.9rem;
  left: 0.9rem;
  width: fit-content;
  max-width: calc(100% - 1.8rem);
  padding: 0.55rem 0.72rem;
  border-radius: 0.3rem;
  background: rgba(10, 43, 55, 0.82);
  color: #fffdf7;
  font-size: 0.78rem;
  backdrop-filter: blur(8px);
}

.chapter-copy {
  color: var(--ink);
  font-family: var(--serif);
  font-size: var(--reader-size);
  line-height: 1.84;
  overflow-wrap: anywhere;
}
[data-passage-id] {
  scroll-margin-top: 7rem;
  border-radius: 0.2rem;
  transition: background-color 180ms ease, box-shadow 180ms ease;
}
[data-passage-id].is-speaking {
  background: color-mix(in srgb, var(--yellow) 15%, transparent);
  box-shadow: -0.5rem 0 0 color-mix(in srgb, var(--yellow) 15%, transparent), 0.5rem 0 0 color-mix(in srgb, var(--yellow) 15%, transparent);
}
.chapter-copy p { margin: 0 0 1.5em; }
.chapter-copy > p:first-child::first-letter {
  float: left;
  margin: 0.09em 0.11em 0 0;
  color: var(--coral);
  font-size: 4.1em;
  line-height: 0.72;
}
.chapter-copy h2 {
  margin: 2.75em 0 0.9em;
  color: var(--navy);
  font-size: 1.82rem;
  font-weight: 400;
  line-height: 1.2;
}
.chapter-copy h2::before {
  content: "";
  display: block;
  width: 3.2rem;
  height: 3px;
  margin-bottom: 0.8rem;
  background: linear-gradient(90deg, var(--teal), var(--yellow), var(--coral));
}
.chapter-copy blockquote {
  margin: 2.7em 0;
  padding: 0.2rem 0 0.2rem 1.5rem;
  border-left: 3px solid var(--coral);
  color: var(--navy);
  font-size: 1.42rem;
  line-height: 1.55;
}
.chapter-copy ul { margin: 0.2rem 0 1.7em; padding-left: 1.35em; }
.chapter-copy li { margin: 0.4em 0; padding-left: 0.25em; }
.chapter-copy li::marker { color: var(--teal); }
.chapter-copy code { padding: 0.1em 0.28em; border-radius: 0.22rem; background: color-mix(in srgb, var(--teal) 10%, transparent); font-family: ui-monospace, "Cascadia Code", monospace; font-size: 0.9em; }

.chapter-footer { margin-top: 4.5rem; padding-top: 2.2rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.88rem; }
.chapter-navigation { margin-top: 2.2rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.chapter-nav-link { min-width: 0; padding: 1rem; border: 1px solid var(--line); border-radius: 0.35rem 1.1rem 0.35rem 0.35rem; text-decoration: none; }
.chapter-nav-link:hover { border-color: var(--teal); background: color-mix(in srgb, var(--teal) 7%, transparent); }
.chapter-nav-link small { display: block; margin-bottom: 0.25rem; color: var(--coral); font-size: 0.76rem; font-weight: 750; text-transform: uppercase; }
.chapter-nav-link span { display: block; color: var(--navy); font-family: var(--serif); font-size: 1.02rem; line-height: 1.3; }
.chapter-nav-next { text-align: right; }

.site-footer {
  width: min(78rem, calc(100% - 3rem));
  min-height: 6.2rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
}
.site-footer span:first-child { color: var(--navy); font-family: var(--serif); font-size: 0.98rem; }

.resume-notice {
  position: fixed;
  right: 1.25rem;
  bottom: 7.5rem;
  z-index: 52;
  width: min(22rem, calc(100% - 2rem));
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem 1.2rem 0.5rem 0.5rem;
  background: var(--surface-solid);
  box-shadow: 0 18px 45px rgba(13, 43, 55, 0.2);
}
.resume-notice p { margin: 0 0 0.75rem; color: var(--navy); font-family: var(--serif); }
.resume-notice div { display: flex; gap: 0.5rem; }
.resume-notice button { min-height: 2.6rem; padding: 0.55rem 0.85rem; border-radius: 999px; background: var(--navy); color: var(--paper-bright); font-size: 0.875rem; font-weight: 720; }
.resume-notice button:last-child { background: transparent; color: var(--muted); }

.audio-dock {
  position: fixed;
  right: 50%;
  bottom: 1rem;
  z-index: 55;
  width: min(44rem, calc(100% - 2rem));
  min-height: 4.7rem;
  padding: 0.62rem 0.78rem;
  display: grid;
  grid-template-columns: auto minmax(8rem, 1fr) auto auto;
  gap: 0.68rem;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 1.25rem;
  background: rgba(13, 49, 64, 0.97);
  color: #fffdf7;
  box-shadow: 0 22px 60px rgba(8, 34, 46, 0.34);
  transform: translateX(50%);
  backdrop-filter: blur(18px);
}
.audio-play {
  width: 3.1rem;
  height: 3.1rem;
  border-radius: 50%;
  background: var(--coral);
  color: #fff;
  font-size: 0.96rem;
}
.audio-play[disabled], .audio-secondary[disabled] { cursor: not-allowed; filter: grayscale(0.8); opacity: 0.52; }
.audio-summary { min-width: 0; display: grid; line-height: 1.25; }
.audio-summary strong { font-family: var(--serif); font-size: 0.96rem; font-weight: 400; }
.audio-summary span { overflow: hidden; color: rgba(255,255,255,0.7); font-size: 0.76rem; text-overflow: ellipsis; white-space: nowrap; }
.audio-secondary { min-height: 2.6rem; padding: 0.55rem 0.68rem; background: transparent; color: rgba(255,255,255,0.78); font-size: 0.875rem; font-weight: 700; }
.audio-settings { position: relative; }
.audio-settings summary { min-height: 2.6rem; padding: 0.55rem 0.68rem; color: rgba(255,255,255,0.9); cursor: pointer; font-size: 0.875rem; font-weight: 700; list-style: none; }
.audio-settings summary::-webkit-details-marker { display: none; }
.audio-settings-panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + 1rem);
  width: min(23rem, calc(100vw - 2rem));
  padding: 1rem;
  display: grid;
  gap: 0.5rem;
  border: 1px solid var(--line);
  border-radius: 0.6rem 1.2rem 0.6rem 0.6rem;
  background: var(--surface-solid);
  color: var(--ink);
  box-shadow: 0 18px 48px rgba(7, 30, 40, 0.28);
}
.audio-settings-panel label { margin-top: 0.35rem; color: var(--navy); font-size: 0.875rem; font-weight: 750; }
.audio-settings-panel select { width: 100%; min-height: 2.7rem; padding: 0.48rem 0.58rem; border: 1px solid var(--line-strong); border-radius: 0.35rem; background: var(--paper-bright); color: var(--ink); font: inherit; font-size: 0.875rem; }
.audio-settings-action { min-height: 2.7rem; margin-top: 0.5rem; padding: 0.55rem 0.75rem; border-radius: 999px; background: var(--navy); color: var(--paper-bright); font: inherit; font-size: 0.875rem; font-weight: 720; cursor: pointer; }
.audio-settings-panel p { margin: 0.2rem 0 0.6rem; color: var(--muted); font-size: 0.76rem; line-height: 1.45; }

.toast {
  position: fixed;
  top: 5.8rem;
  left: 50%;
  z-index: 65;
  max-width: min(32rem, calc(100% - 2rem));
  padding: 0.72rem 1rem;
  border-radius: 999px;
  background: var(--navy);
  color: var(--paper-bright);
  font-size: 0.875rem;
  box-shadow: 0 12px 36px rgba(13, 43, 55, 0.24);
  transform: translateX(-50%);
}

.error-main {
  width: min(50rem, calc(100% - 3rem));
  margin: 0 auto;
  padding: clamp(6rem, 13vw, 11rem) 0;
}
.error-main h1 em { color: var(--coral); font-weight: 400; }
.error-main > p:not(.kicker) { max-width: 32rem; margin: 1.5rem 0 2rem; color: var(--muted); font-family: var(--serif); font-size: 1.22rem; }

@media (max-width: 64rem) {
  .reading-layout { grid-template-columns: minmax(0, var(--content-width)); }
  .chapter-context, .reading-note { display: none; }
  .home-opening { grid-template-columns: minmax(17rem, 0.85fr) minmax(20rem, 1.15fr); gap: 2.5rem; }
  .home-sequence, .library-main { gap: 3rem; }
}

@media (max-width: 48rem) {
  .site-header, .home-main, .library-main, .site-footer { width: min(100% - 2rem, 78rem); }
  .site-header { width: 100%; min-height: 4.8rem; padding-inline: 1rem; }
  .wordmark small { display: none; }
  .header-actions { gap: 0.55rem; }
  .site-nav { gap: 0.75rem; }
  .site-nav a { font-size: 0.82rem; }
  .display-controls { gap: 0; padding-left: 0.55rem; }
  .display-controls button { min-width: 2.35rem; padding-inline: 0.42rem; }
  .home-main { padding-top: 3rem; }
  .home-opening { grid-template-columns: 1fr; }
  .home-intro { padding-left: 0; }
  .home-intro h1 { font-size: clamp(3.75rem, 18vw, 6rem); }
  .home-image { margin-top: 1rem; }
  .home-image img { border-radius: 0.35rem 3.2rem 0.35rem 0.35rem; }
  .home-sequence, .library-main { grid-template-columns: 1fr; }
  .sequence-heading, .library-opening { position: static; }
  .publication-card a { grid-template-columns: 2.7rem minmax(0, 1fr) auto; min-height: 10.5rem; gap: 0.8rem; }
  .reading-layout { width: 100%; padding: 1.2rem 0 5rem; }
  .reader-card { padding: 3rem 1.25rem 4rem; border-right: 0; border-left: 0; border-radius: 0; box-shadow: none; }
  .chapter-opening h1 { font-size: clamp(2.75rem, 13vw, 4.1rem); }
  .chapter-image { margin-inline: -0.2rem; }
  .chapter-navigation { grid-template-columns: 1fr; }
  .chapter-nav-next { text-align: left; }
  .site-footer { align-items: flex-start; flex-direction: column; justify-content: center; }
  .audio-dock { grid-template-columns: auto minmax(0, 1fr) auto auto; bottom: 0.5rem; width: calc(100% - 1rem); border-radius: 1rem; }
  .audio-secondary { padding-inline: 0.35rem; }
  .audio-settings summary { width: 3rem; overflow: hidden; color: transparent; white-space: nowrap; font-size: 0; }
  .audio-settings summary::after { content: "Aa"; color: rgba(255,255,255,0.9); font-size: 0.875rem; }
  .resume-notice { right: 0.5rem; bottom: 6.25rem; width: calc(100% - 1rem); }
}

@media (max-width: 31rem) {
  .site-nav { display: none; }
  .home-image::before, .home-image::after { display: none; }
  .publication-card a { grid-template-columns: 2.35rem minmax(0, 1fr); }
  .card-arrow { display: none; }
  .chapter-meta { display: grid; gap: 0.2rem; }
  .chapter-meta span + span::before { content: none; }
}

@media (prefers-contrast: more) {
  .field-background, .home-image::before, .home-image::after { display: none; }
  .reader-card, .publication-card a::before { background: var(--paper-bright); }
  .reader-card, .chapter-nav-link { border-color: currentColor; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}