@font-face {
  font-family: 'Marcellus';
  src: url('./assets/fonts/marcellus-latin-400-normal.woff2') format('woff2');
  font-display: swap;
}

@font-face {
  font-family: 'DM Sans';
  src: url('./assets/fonts/dm-sans-latin-wght-normal.woff2') format('woff2');
  font-weight: 100 1000;
  font-display: swap;
}

@font-face {
  font-family: 'DM Sans';
  src: url('./assets/fonts/dm-sans-latin-wght-italic.woff2') format('woff2');
  font-style: italic;
  font-weight: 100 1000;
  font-display: swap;
}

@font-face {
  font-family: 'Baskervville';
  src: url('./assets/fonts/baskervville-latin-400-normal.woff2') format('woff2');
  font-display: swap;
}

:root {
  --ink: #151926;
  --muted: #6f7077;
  --paper: #fdfcf7;
  --frame-width: calc(100% - 92 * var(--unit));
  --cream: #f0eee2;
  --outer-cream: #c8c5bc;
  --outer-paper: #d9d7cb;
  --frame-cream: #d7d4cd;
  --frame-paper: #e4e1da;
  --input-bg: #fff;
  --rail-bg: rgb(253 252 247 / .96);
  --hover-bg: rgb(34 35 39 / .06);
  --accent: #e36065;
  --red-text: #ce4249;
  --line: #d5d3c7;
  --soft: #f0eee2;
  --dark-button: #272935;
  --body-font: 'DM Sans', sans-serif;
  --display-font: 'Marcellus', Georgia, serif;
  --book-font: 'Baskervville', Georgia, serif;
  --unit: clamp(.72px, calc(100vw / 1200), 1.2px);
  --rail: calc(84 * var(--unit));
  --pad: calc(36 * var(--unit));
  --frame-border: calc(10 * var(--unit));
  --outer-top: clamp(22px, 5.89svh, 64px);
  color: var(--ink);
  font-family: var(--body-font);
  color-scheme: light;
}

:root[data-theme="light"] {
  --ink: #191d25;
  --muted: #5f6570;
  --paper: #fff;
  --cream: #f3f4f6;
  --outer-cream: #d7dbe1;
  --outer-paper: #e4e7eb;
  --frame-cream: #e3e6eb;
  --frame-paper: #edf0f3;
  --line: #d1d6de;
  --soft: #edf0f4;
  --rail-bg: rgb(255 255 255 / .96);
}

:root[data-theme="dark"] {
  --ink: #f1eee8;
  --muted: #bbb8b4;
  --paper: #26282e;
  --cream: #1e2025;
  --outer-cream: #111216;
  --outer-paper: #191b20;
  --frame-cream: #2d3037;
  --frame-paper: #353841;
  --accent: #b83e4b;
  --red-text: #ffa0a7;
  --line: #484a52;
  --soft: #33353d;
  --dark-button: #3e4350;
  --input-bg: #1c1d22;
  --rail-bg: rgb(38 40 46 / .96);
  --hover-bg: rgb(255 255 255 / .09);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  display: flow-root;
  margin: 0;
  min-inline-size: 280px;
  min-block-size: 100svh;
  background: linear-gradient(90deg, var(--outer-cream) 58.14%, var(--outer-paper) 58.14%);
  font-size: max(11px, calc(12 * var(--unit)));
  line-height: 1.55;
}

body[data-view="library"] {
  background: linear-gradient(90deg, var(--outer-paper) 42.94%, var(--outer-cream) 42.94%);
}

body:is([data-view="detail"], [data-view="schedule"], [data-view="saved"]) {
  background: var(--outer-cream);
}

button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { display: block; max-inline-size: 100%; }

h1, h2, h3, p { margin: 0; }

h1, h2 {
  font-family: var(--display-font);
  font-weight: 400;
}

h1 {
  font-size: calc(39 * var(--unit));
  line-height: 1.23;
  letter-spacing: -.012em;
}

h2 {
  font-size: calc(20 * var(--unit));
  line-height: 1.27;
  letter-spacing: -.013em;
}

:focus-visible {
  outline: 2px solid var(--red-text);
  outline-offset: 3px;
}

.app-frame {
  inline-size: var(--frame-width);
  max-inline-size: calc(1108 * var(--unit));
  min-block-size: calc(100svh - 2 * var(--outer-top));
  margin: var(--outer-top) auto;
  border: var(--frame-border) solid transparent;
  background: var(--frame-cream);
  background-clip: border-box;
  border-radius: calc(9 * var(--unit));
}

body[data-view="home"] .app-frame { background: linear-gradient(90deg, var(--frame-cream) 58.85%, var(--frame-paper) 58.85%); }
body[data-view="library"] .app-frame { background: linear-gradient(90deg, var(--frame-paper) 42.4%, var(--frame-cream) 42.4%); }

.app {
  position: relative;
  display: grid;
  grid-template: calc(66 * var(--unit)) 1fr / var(--rail) minmax(0, 1fr);
  min-block-size: calc(100svh - 2 * (var(--outer-top) + var(--frame-border)));
  border-radius: calc(5 * var(--unit));
  background: var(--cream);
}

body[data-view="home"] .app { background: linear-gradient(90deg, var(--cream) 59%, var(--paper) 59%); }
body[data-view="library"] .app { background: linear-gradient(90deg, var(--paper) 42.2%, var(--cream) 42.2%); }

.skip-link {
  position: fixed;
  z-index: 20;
  inset: 10px auto auto 10px;
  padding: 8px 14px;
  transform: translateY(-150%);
  border-radius: 12px;
  background: var(--paper);
}

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

.rail {
  position: relative;
  grid-area: 1 / 1 / 3 / 2;
  z-index: 5;
  min-inline-size: 0;
}

.rail::after {
  position: absolute;
  inset: calc(27 * var(--unit)) 0 calc(27 * var(--unit)) auto;
  width: 1px;
  content: '';
  background: var(--line);
}

.rail-brand {
  position: absolute;
  inset: calc(18 * var(--unit)) 0 auto;
  display: grid;
  margin-inline: auto;
  place-items: center;
  inline-size: calc(44 * var(--unit));
  block-size: calc(42 * var(--unit));
  border-radius: 50%;
}

.logo-mark {
  inline-size: calc(34 * var(--unit));
  block-size: calc(36 * var(--unit));
}

.rail-nav {
  position: sticky;
  inset-block-start: calc(24 * var(--unit));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: calc(14 * var(--unit));
  margin-block-start: calc(175 * var(--unit));
}

.icon-button, .rail-link {
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  padding: 0;
  border: 0;
  background: transparent;
  border-radius: 50%;
}

.icon { display: block; flex: 0 0 auto; }

.icon-button {
  inline-size: max(30px, calc(34 * var(--unit)));
  block-size: max(30px, calc(34 * var(--unit)));
}

.icon-button .icon {
  inline-size: calc(19 * var(--unit));
  block-size: calc(19 * var(--unit));
}

.icon-button:hover, .rail-link:hover, .day:hover { background: var(--hover-bg); }

.rail-link {
  inline-size: calc(44 * var(--unit));
  block-size: calc(44 * var(--unit));
  min-inline-size: 34px;
  min-block-size: 34px;
}

.rail-link .icon {
  inline-size: calc(25 * var(--unit));
  block-size: calc(25 * var(--unit));
}

.rail-link.is-active {
  background: var(--accent);
  color: white;
  box-shadow: 0 0 0 2px rgb(255 255 255 / .65);
}

.rail-footer {
  position: absolute;
  inset: auto 0 calc(27 * var(--unit));
  display: grid;
  place-items: center;
}

.rail-footer .icon-button {
  inline-size: calc(44 * var(--unit));
  block-size: calc(44 * var(--unit));
}

.rail-footer .icon { inline-size: calc(22 * var(--unit)); block-size: calc(22 * var(--unit)); }

.round { background: rgb(150 138 105 / .07); }
.outlined { border: 1px solid rgb(112 108 95 / .32); }

.topbar {
  grid-area: 1 / 2 / 2 / 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: calc(24 * var(--unit));
  padding-inline: var(--pad) calc(35 * var(--unit));
  z-index: 10;
}

.mobile-brand { display: none; }
.search-box { position: relative; width: min(100%, calc(370 * var(--unit))); min-width: 0; }

.search-form {
  display: flex;
  align-items: center;
  gap: calc(10 * var(--unit));
  min-width: 0;
}

.search-form .icon { inline-size: calc(16 * var(--unit)); block-size: calc(16 * var(--unit)); }

.search-form input {
  width: 100%;
  min-width: 0;
  height: 36px;
  letter-spacing: .008em;
  border: 0;
  background: transparent;
  padding: 0 4px 0 0;
  font-size: max(11px, calc(11.5 * var(--unit)));
  border-radius: 4px;
}

.search-form input::placeholder { color: var(--muted); opacity: 1; }

.top-actions {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: calc(30 * var(--unit));
}

.profile-button {
  display: flex;
  align-items: center;
  gap: calc(10 * var(--unit));
  border: 0;
  padding: 0;
  background: transparent;
  font-size: max(11px, calc(13 * var(--unit)));
  font-weight: 500;
  white-space: nowrap;
  border-radius: 18px;
}

.avatar {
  width: calc(50 * var(--unit));
  height: calc(50 * var(--unit));
  object-fit: cover;
  border-radius: 50%;
  flex-shrink: 0;
}

.profile-button .avatar { inline-size: calc(35 * var(--unit)); block-size: calc(35 * var(--unit)); }
.top-actions > :last-child .icon { inline-size: calc(22 * var(--unit)); block-size: calc(22 * var(--unit)); }

.popover-anchor { position: relative; flex: 0 0 auto; }

.popover {
  position: absolute;
  z-index: 12;
  top: calc(100% + 6px);
  right: 0;
  width: max-content;
  min-width: 168px;
  max-width: min(270px, calc(100vw - 36px));
  display: grid;
  gap: 2px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 5px;
  background: var(--paper);
  box-shadow: 0 8px 24px rgb(26 26 17 / .13);
  font-size: max(12px, calc(12 * var(--unit)));
}

.popover a, .popover button, .popover-caption {
  display: block;
  width: 100%;
  padding: 7px 9px;
  border: 0;
  border-radius: 6px;
  background: none;
  text-align: left;
}

.popover a:hover, .popover button:hover { background: var(--soft); }
.popover-caption { color: var(--muted); }
.search-results { left: 0; right: auto; }
.search-results { max-block-size: min(55dvh, 420px); overflow-y: auto; overscroll-behavior: contain; }
.search-results small { display: block; color: var(--muted); }
.reading-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.navigation-menu { top: auto; bottom: 0; right: auto; left: calc(65 * var(--unit)); }

.main { grid-area: 2 / 2 / 3 / 3; min-inline-size: 0; outline: none; }

.view-pad {
  padding-inline: var(--pad);
  padding-block-end: calc(23 * var(--unit));
}

.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 322fr) minmax(0, 385fr) minmax(0, 207fr);
  align-items: start;
  gap: calc(9 * var(--unit));
  min-block-size: calc(286 * var(--unit));
  padding-block-start: calc(12 * var(--unit));
}

.welcome p, .library-intro p, .feature-copy p {
  font-size: max(11px, calc(11.4 * var(--unit)));
  line-height: 1.58;
  letter-spacing: -.01em;
}

.welcome p {
  margin-block-start: calc(18 * var(--unit));
  max-inline-size: calc(318 * var(--unit));
}

.start-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: calc(3 * var(--unit));
  inline-size: fit-content;
  min-block-size: calc(31 * var(--unit));
  padding: calc(5 * var(--unit)) calc(14 * var(--unit));
  border: 1px solid #11131c;
  border-radius: 999px;
  background: var(--dark-button);
  color: white;
  font-size: max(11px, calc(11.5 * var(--unit)));
  letter-spacing: -.015em;
  line-height: 1.35;
  white-space: nowrap;
}

.start-button:hover { background: #383d4a; }
.start-button .icon { inline-size: calc(12 * var(--unit)); block-size: calc(12 * var(--unit)); }
.welcome .start-button { margin-block-start: calc(27 * var(--unit)); }

.feature-art {
  position: relative;
  z-index: 1;
  display: block;
  align-self: start;
  margin-block-start: calc(-3 * var(--unit));
  inset-inline-start: calc(7 * var(--unit));
}

.open-book { width: 100%; max-width: none; height: auto; }

.feature-copy {
  padding-block-start: calc(9 * var(--unit));
  position: relative;
  z-index: 2;
}

.feature-copy h2 {
  font-size: calc(29 * var(--unit));
  line-height: 1.17;
  letter-spacing: -.016em;
}

.page-count { font-size: max(12px, calc(14 * var(--unit))); white-space: nowrap; }
.page-count strong { color: var(--red-text); font-weight: 600; }
.feature-copy .page-count { margin-block-start: calc(16 * var(--unit)); }
.feature-copy p { margin-block-start: calc(21 * var(--unit)); }

.feature-author {
  margin-block-start: calc(23 * var(--unit));
  text-align: right;
  font-size: max(11px, calc(11.5 * var(--unit)));
}

.home-columns {
  display: grid;
  grid-template-columns: minmax(0, 486fr) minmax(0, 373fr);
  gap: calc(73 * var(--unit));
  align-items: start;
}

.section-head {
  min-height: calc(25 * var(--unit));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: calc(8 * var(--unit));
}

.more-button {
  inline-size: max(25px, calc(25 * var(--unit)));
  block-size: max(25px, calc(25 * var(--unit)));
  margin-inline-end: calc(-7 * var(--unit));
}

.more-button .icon { inline-size: calc(18 * var(--unit)); block-size: calc(18 * var(--unit)); }

.popular-books {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: calc(32 * var(--unit));
  margin-block-start: calc(22 * var(--unit));
}

.book-card { display: block; min-inline-size: 0; }
.book-card:hover .book-cover { transform: translateY(-3px); }
.book-card:focus-visible { outline-offset: 6px; border-radius: 2px; }

.book-art { display: block; position: relative; }
.book-cover {
  width: 100%;
  height: auto;
  border-radius: 1px;
  box-shadow:
    calc(-6 * var(--unit)) calc(13 * var(--unit)) calc(14 * var(--unit)) calc(-6 * var(--unit)) rgb(41 40 25 / .49),
    calc(-9 * var(--unit)) calc(14 * var(--unit)) calc(23 * var(--unit)) calc(-4 * var(--unit)) rgb(51 45 20 / .2);
  transition: transform 160ms ease;
}

.popular-books .book-cover { aspect-ratio: .704; object-fit: cover; }
.book-label {
  display: block;
  margin-block-start: calc(19 * var(--unit));
  font-size: max(11px, calc(11.65 * var(--unit)));
  line-height: 1.55;
}

.book-edition { display: block; }

.collection { margin-block-start: calc(41 * var(--unit)); }

.collection-book {
  display: grid;
  grid-template-columns: calc(79 * var(--unit)) minmax(0, 1fr) auto;
  align-items: start;
  gap: calc(23 * var(--unit));
  margin-block-start: calc(16 * var(--unit));
}

.collection-art {
  width: 100%;
  filter: drop-shadow(8px 7px 7px rgb(52 45 25 / .18));
}

.collection-label { min-width: 0; padding-block-start: calc(11 * var(--unit)); }
.collection-label strong, .volume-count { font-size: max(11px, calc(14 * var(--unit))); font-weight: 650; }
.collection-label i { display: block; margin-block-start: calc(4 * var(--unit)); }
.volume-count { white-space: nowrap; padding-block-start: calc(12 * var(--unit)); }

.calendar-controls {
  display: flex;
  gap: calc(10 * var(--unit));
  margin-inline-end: calc(-12 * var(--unit));
}

.calendar-controls .icon-button {
  inline-size: max(29px, calc(29 * var(--unit)));
  block-size: max(25px, calc(25 * var(--unit)));
}

.calendar-controls .icon { inline-size: calc(17 * var(--unit)); block-size: calc(17 * var(--unit)); }
.week-label { margin-block: 6px 0; font-size: max(11px, calc(12 * var(--unit))); color: var(--muted); }
.week-label + .calendar-days { margin-block-start: max(10px, calc(14 * var(--unit))); }

.calendar-days {
  display: grid;
  margin-inline: calc(-1 * var(--unit));
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: calc(9 * var(--unit));
  margin-block-start: calc(26 * var(--unit));
}

.day {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-inline-size: 0;
  block-size: calc(67 * var(--unit));
  gap: calc(7 * var(--unit));
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  font-size: max(10px, calc(11.5 * var(--unit)));
}

.day strong { font-size: max(11px, calc(13 * var(--unit))); font-weight: 700; }
.day:first-child { color: var(--red-text); }
.day.is-selected { background: var(--soft); }
.day[aria-current="date"] { box-shadow: inset 0 0 0 1px var(--accent); }
.day.has-plan::after {
  position: absolute;
  inset: auto auto 6px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  content: '';
}

.friends { margin-block-start: calc(39 * var(--unit)); }
.friend-list {
  position: relative;
  display: grid;
  gap: calc(24 * var(--unit));
  margin-block-start: calc(21 * var(--unit));
  padding-inline-start: calc(24 * var(--unit));
}

.friend-list::before {
  position: absolute;
  inset: calc(26 * var(--unit)) auto 0 calc(3 * var(--unit));
  width: 1.5px;
  content: '';
  background: repeating-linear-gradient(to bottom, var(--line) 0 5px, transparent 5px 10px);
}

.friend {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: calc(16 * var(--unit));
}

.friend::before {
  position: absolute;
  inset: calc(23 * var(--unit)) auto auto calc(-23 * var(--unit));
  inline-size: calc(7 * var(--unit));
  block-size: calc(7 * var(--unit));
  border-radius: 50%;
  background: #dfddd0;
  content: '';
}

.friend-body { min-width: 0; padding-block-start: calc(11 * var(--unit)); }
.friend h3, .author-header h2, .detail-author {
  font-family: var(--body-font);
  font-size: max(13px, calc(16 * var(--unit)));
  font-weight: 580;
  letter-spacing: -.012em;
}

.friend p {
  margin-block-start: calc(10 * var(--unit));
  max-inline-size: calc(275 * var(--unit));
  font-size: max(11px, calc(12.4 * var(--unit)));
  font-style: italic;
  line-height: 1.4;
}

.friend-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 2px 8px;
  margin-block-start: calc(10 * var(--unit));
  font-size: max(10px, calc(11 * var(--unit)));
}

.finished { display: inline-flex; align-items: center; gap: calc(3 * var(--unit)); color: var(--red-text); }
.finished .icon { width: calc(10 * var(--unit)); height: calc(10 * var(--unit)); }
.friend time { color: var(--muted); white-space: nowrap; }
.friend-meta .finished { font-size: max(10px, calc(11.7 * var(--unit))); }

.library-view { padding-block-end: calc(32 * var(--unit)); }
.library-view .book-card:first-child { margin-inline-start: calc(-2 * var(--unit)); }
.library-hero { position: relative; padding-block-start: calc(19 * var(--unit)); min-block-size: calc(204 * var(--unit)); }
.library-intro h1 { white-space: nowrap; }
.library-intro p { margin-block-start: calc(16 * var(--unit)); max-inline-size: calc(463 * var(--unit)); }
.library-intro .start-button { margin-block-start: calc(26 * var(--unit)); }

.author-header { display: flex; align-items: center; gap: calc(11 * var(--unit)); }
.author-header span:not(.avatar) { color: var(--muted); font-size: max(11px, calc(11.5 * var(--unit))); }
.author-header .popover-anchor { margin-inline-start: auto; }
.author-placeholder { display: grid; place-items: center; background: rgb(141 130 106 / .17); }
.author-placeholder .icon { width: calc(22 * var(--unit)); }

.author-note p {
  margin-block-start: calc(15 * var(--unit));
  font-style: italic;
  font-size: max(11px, calc(12.5 * var(--unit)));
  line-height: 1.47;
}

.library-controls {
  position: absolute;
  inset: auto 0 calc(-22 * var(--unit)) auto;
  display: flex;
  align-items: center;
  gap: calc(10 * var(--unit));
  z-index: 2;
}

.library-controls .icon-button, .detail-pager .icon-button {
  inline-size: calc(42 * var(--unit));
  block-size: calc(42 * var(--unit));
}

.library-controls .icon, .detail-pager .icon {
  inline-size: calc(14 * var(--unit));
  block-size: calc(14 * var(--unit));
}

.shelf {
  margin-inline: calc(-1 * var(--pad));
  overflow-x: auto;
  scrollbar-width: none;
  overscroll-behavior-inline: contain;
  padding: 0 var(--pad) calc(11 * var(--unit));
}

.shelf::-webkit-scrollbar { display: none; }

.shelf-track {
  display: flex;
  align-items: flex-end;
  gap: calc(50 * var(--unit));
  width: max-content;
}

.shelf .book-card {
  display: grid;
  grid-template-rows: calc(321 * var(--unit)) auto;
  flex: 0 0 calc(173 * var(--unit));
}

.shelf .book-card:first-child:not(.is-featured) { flex-basis: calc(174 * var(--unit)); }
.shelf .book-card.is-featured { flex-basis: calc(222 * var(--unit)); }
.shelf .book-card:nth-child(2).is-featured { margin-inline: calc(2 * var(--unit)) calc(3 * var(--unit)); }
.shelf .book-art { display: flex; align-items: end; }
.shelf .book-cover { width: 100%; height: calc(248 * var(--unit)); object-fit: cover; }
.shelf .is-featured .book-cover { height: calc(321 * var(--unit)); }
.shelf .book-label { min-height: calc(38 * var(--unit)); margin-block-start: calc(28 * var(--unit)); font-size: max(12px, calc(14 * var(--unit))); line-height: 1.35; }
.shelf .is-featured .book-label { font-weight: 650; }

.library-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: calc(15 * var(--unit));
  margin-block-start: calc(39 * var(--unit));
}

.library-footer p { display: flex; align-items: baseline; gap: 4px; }
.library-footer p .icon { align-self: center; inline-size: calc(12 * var(--unit)); block-size: calc(12 * var(--unit)); }
.library-footer a { color: var(--red-text); text-decoration: underline; text-underline-offset: 2px; }

.detail-view { padding-block-end: 0; }
.detail-layout { position: relative; margin-inline: calc(30 * var(--unit)); }
.detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 444fr) minmax(0, 427fr);
  min-block-size: calc(265 * var(--unit));
  position: relative;
}

.detail-pager {
  position: absolute;
  z-index: 2;
  inset: calc(101 * var(--unit)) auto auto calc(26 * var(--unit));
  display: grid;
  gap: calc(5 * var(--unit));
}

.detail-art {
  position: absolute;
  z-index: 1;
  inset: calc(29 * var(--unit)) auto auto 17.7%;
  inline-size: 25.75%;
}

.detail-cover {
  width: 100%;
  height: auto;
  border-radius: 1px;
  box-shadow:
    calc(-11 * var(--unit)) calc(22 * var(--unit)) calc(31 * var(--unit)) calc(1 * var(--unit)) rgb(44 40 21 / .43),
    calc(-26 * var(--unit)) calc(33 * var(--unit)) calc(55 * var(--unit)) calc(-8 * var(--unit)) rgb(47 40 15 / .24);
}

.detail-hero.is-landscape .detail-art { inset-inline-start: 8%; inset-block-start: calc(63 * var(--unit)); width: 41%; }
.detail-hero.is-landscape .detail-cover { box-shadow: none; }

.detail-intro {
  grid-column: 2;
  padding-block-start: calc(40 * var(--unit));
  padding-inline-end: calc(45 * var(--unit));
}

.detail-author { margin-block-start: calc(18 * var(--unit)); }
.detail-tagline {
  margin-block-start: calc(16 * var(--unit));
  max-inline-size: calc(345 * var(--unit));
  font-size: max(11px, calc(13 * var(--unit)));
  font-style: italic;
  line-height: 1.43;
}

.detail-paper {
  background: var(--paper);
  padding: calc(32 * var(--unit)) 9.9% calc(41 * var(--unit));
}

.detail-action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: calc(16 * var(--unit));
  margin-inline-start: 51.3%;
  padding-block-end: calc(30 * var(--unit));
  border-block-end: 1px solid #e0dfd7;
}

.detail-action-row .start-button { min-block-size: calc(34 * var(--unit)); }
.detail-icons { display: flex; gap: calc(10 * var(--unit)); }
.detail-icons .icon { inline-size: calc(17 * var(--unit)); block-size: calc(17 * var(--unit)); }
[data-save][aria-pressed="true"] { color: var(--red-text); }
[data-save][aria-pressed="true"] .icon { fill: rgb(230 93 98 / .24); }

.detail-information {
  display: grid;
  grid-template-columns: minmax(0, 358fr) minmax(0, 242fr);
  gap: calc(100 * var(--unit));
  margin-block-start: calc(41 * var(--unit));
}

.detail-information h2, .detail-review h3 {
  font-family: var(--body-font);
  font-size: max(12px, calc(14 * var(--unit)));
  line-height: 1.4;
  font-weight: 570;
  letter-spacing: -.015em;
}

.detail-information p {
  margin-block-start: calc(16 * var(--unit));
  font-size: max(11px, calc(11.5 * var(--unit)));
  line-height: 1.52;
  letter-spacing: -.01em;
}

.detail-review {
  display: flex;
  align-items: start;
  gap: calc(15 * var(--unit));
  margin-block-start: calc(33 * var(--unit));
}

.detail-review .avatar { inline-size: calc(35 * var(--unit)); block-size: calc(35 * var(--unit)); }
.detail-review h3 { margin-block-start: calc(6 * var(--unit)); }
.detail-review p { margin-block-start: calc(8 * var(--unit)); font-style: italic; }
.detail-metadata { display: grid; align-content: start; gap: calc(30 * var(--unit)); }

.utility-view { padding-block: calc(22 * var(--unit)) calc(48 * var(--unit)); }
.utility-view > p { margin-block: 16px 22px; }
.utility-view .calendar { max-width: 520px; margin-block-start: 22px; }
.saved-books { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 146px)); gap: 34px; margin-block-start: 32px; }
.saved-books .landscape { min-height: 166px; display: grid; align-items: end; }
.saved-books .landscape .book-cover { box-shadow: none; }
.saved-book { display: flex; flex-direction: column; gap: 10px; align-items: stretch; }
.saved-book .text-button { margin-block-start: auto; text-align: start; padding: 4px 0; font-size: 12px; }
.schedule-date-form { margin-block-start: 22px; }
.schedule-date-form label { display: block; margin-block-end: 7px; font-size: 13px; }
.schedule-date-form input {
  min-height: 38px;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  padding: 6px 8px;
  color: var(--ink);
  font: inherit;
}

.plan-form {
  display: grid;
  gap: 17px;
  max-width: 520px;
  margin-block-start: 28px;
  padding: 22px;
  border-radius: 10px;
  background: var(--paper);
}

.plan-form label { display: grid; gap: 7px; font-size: 13px; }
.plan-form :is(input, select) {
  inline-size: 100%;
  min-block-size: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--input-bg);
  padding: 6px 8px;
  font-size: 14px;
}

.form-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.text-button { border: 0; background: none; color: var(--red-text); text-decoration: underline; }

body[data-view="reader"] { background: var(--outer-cream); }
body[data-view="reader"] .app-frame { margin-block: 0; border: 0; width: min(100%, 940px); max-width: none; }
body[data-view="reader"] .app { display: block; }
body[data-view="reader"] :is(.rail, .topbar) { display: none; }

.reader-view {
  --reader-paper: #f8f5ee;
  --reader-ink: #24211e;
  --reader-toolbar: #fcfaf3;
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  overflow-x: clip;
  background: var(--reader-paper);
  color: var(--reader-ink);
}

.reader-view[data-reader-theme="light"] { --reader-paper: #fff; --reader-ink: #1f2227; --reader-toolbar: #fafafa; }
.reader-view[data-reader-theme="dark"] { --reader-paper: #22252c; --reader-ink: #f0e9da; --reader-toolbar: #343640; }

.reader-top {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 15px clamp(16px, 5vw, 49px);
  min-height: 56px;
  border-bottom: 1px solid rgb(127 123 110 / .22);
}

.reader-back { display: inline-flex; gap: 9px; align-items: center; font-size: 13px; }
.reader-back .icon { width: 16px; height: 16px; }
.reader-preview-label { font-size: 11px; white-space: nowrap; opacity: .7; }

.reader-page {
  position: relative;
  display: flex;
  flex-direction: column;
  flex: 1 0 auto;
  justify-content: flex-start;
  padding: 26px clamp(22px, 9vw, 108px) 78px;
}

.chapter {
  position: relative;
  z-index: 1;
  max-width: 640px;
  width: 100%;
  margin-inline: auto;
  font-family: var(--book-font);
  font-size: var(--reader-text, 20px);
  line-height: 1.55;
}

.chapter h1 { font-family: inherit; font-size: 1.4em; margin-block: 0 14px; }
.chapter p + p { margin-block-start: .65em; }
.chapter ::selection, .chapter mark { background: #e9a0a4; color: #221d22; }

.reader-illustration {
  width: min(100%, 860px);
  height: auto;
  margin: -18px 0 -64px;
  align-self: center;
  user-select: none;
}

.reader-page.is-illustrated .reader-illustration {
  width: calc(100% + 2 * clamp(22px, 9vw, 108px));
  max-width: none;
  max-height: 56svh;
  object-fit: cover;
  object-position: top center;
}
.folio { position: absolute; z-index: 1; bottom: 29px; left: clamp(15px, 5vw, 45px); font-family: var(--book-font); font-size: 18px; }
.is-illustrated .folio { padding: 1px 5px; border-radius: 3px; background: var(--reader-paper); }

.reader-tools {
  position: sticky;
  bottom: max(15px, env(safe-area-inset-bottom));
  z-index: 3;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  width: min(calc(100% - 30px), 710px);
  margin: -68px auto 15px;
  pointer-events: none;
}

.reader-tools > * { pointer-events: auto; }
.reader-nav, .selection-tools {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid rgb(119 112 94 / .17);
  background: var(--reader-toolbar);
  color: var(--reader-ink);
  box-shadow: 0 5px 16px rgb(21 19 13 / .12);
}

.reader-nav .icon-button, .reader-page-button { inline-size: 44px; block-size: 44px; }
.reader-nav .icon, .reader-page-button .icon, .selection-tools .icon { inline-size: 19px; block-size: 19px; }
.reader-settings { background: var(--accent); color: white; }
.reader-settings:hover { background: #ce4e54; }
.reader-page-button { background: var(--dark-button); color: white; }
.reader-page-button:hover { background: #393d4a; }
.reader-page-button:disabled { visibility: hidden; }

.selection-tools { position: fixed; z-index: 15; transform: translateX(-50%); }
.selection-tools .icon-button { width: 33px; height: 33px; }

.settings-dialog {
  width: min(390px, calc(100vw - 32px));
  max-height: calc(100svh - 32px);
  color: var(--ink);
  background: var(--paper);
  padding: 23px;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 10px 50px rgb(29 24 15 / .2);
  font-size: 14px;
}

.settings-dialog::backdrop { background: rgb(25 25 20 / .32); }
.settings-dialog h2 { font-size: 24px; }
.settings-size { display: flex; justify-content: space-between; margin-block: 18px 6px; }
.settings-dialog input[type="range"] { width: 100%; accent-color: var(--red-text); }
.theme-settings { display: flex; flex-wrap: wrap; gap: 10px 16px; border: 0; padding: 0; margin: 17px 0 22px; }
.theme-settings legend { margin-block-end: 5px; }
.theme-settings label { display: flex; align-items: center; gap: 4px; }
.theme-settings input { accent-color: var(--red-text); }
.settings-dialog .start-button { min-height: 36px; }

:root[data-theme="dark"] .logo-mark { filter: invert(1); }
:root[data-theme="dark"] .friend::before { background: var(--line); }
:root[data-theme="dark"] .outlined,
:root[data-theme="dark"] .detail-action-row,
:root[data-theme="dark"] .topbar { border-color: var(--line); }
:root[data-theme="dark"] .start-button:not(.delete-button) { border-color: var(--line); }
:root[data-theme="dark"] .settings-dialog::backdrop { background: rgb(0 0 0 / .55); }

.toast {
  position: fixed;
  z-index: 20;
  inset: auto auto max(20px, env(safe-area-inset-bottom)) 50%;
  transform: translateX(-50%);
  max-width: calc(100vw - 30px);
  padding: 10px 15px;
  color: white;
  background: var(--dark-button);
  border-radius: 999px;
  box-shadow: 0 7px 24px rgb(25 25 15 / .18);
  text-align: center;
  font-size: 13px;
  width: max-content;
}

@media (min-width: 1024px) {
  body[data-view="home"] .app { grid-template-rows: calc(66 * var(--unit)) minmax(0, 1fr); }
  body[data-view="home"] .home-view { padding-block-end: calc(22 * var(--unit)); }
  body[data-view="home"] .app-frame {
    height: max(calc(100svh - 2 * var(--outer-top)), calc(632 * var(--unit)));
  }
  body[data-view="home"] .app {
    block-size: 100%;
    min-block-size: 0;
  }
  body[data-view="home"] .main {
    overflow-y: auto;
    scrollbar-width: none;
    border-bottom-right-radius: calc(5 * var(--unit));
  }
  body[data-view="home"] .main::-webkit-scrollbar { display: none; }
  body[data-view="home"] .rail-nav { position: relative; inset-block-start: auto; }
}

@media (max-width: 1023px) {
  :root {
    --frame-width: calc(100% - 36px);
    --rail: 61px;
    --pad: clamp(19px, 3.5vw, 32px);
    --frame-border: 7px;
    --outer-top: 20px;
  }

  h1 { font-size: clamp(32px, 4.1vw, 40px); }
  h2 { font-size: clamp(19px, 2.1vw, 22px); }
  .rail-nav { margin-block-start: 132px; }
  .welcome h1 { font-size: clamp(28px, 3.72vw, 37px); }
  .rail-link { min-inline-size: 39px; min-block-size: 39px; }
  .rail-footer { inset-block-end: 18px; }
  .topbar { gap: 14px; padding-inline-end: var(--pad); }
  .top-actions { gap: 17px; }
  .top-actions .avatar { inline-size: 32px; block-size: 32px; }
  .home-hero {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.43fr) minmax(0, 1fr);
    gap: 10px;
    min-block-size: 0;
    margin-block-end: 30px;
  }
  .feature-art { inset-inline-start: 4px; }
  .feature-copy h2 { font-size: clamp(21px, 2.75vw, 28px); }
  .feature-break { display: none; }
  .home-columns { gap: clamp(25px, 5.1vw, 51px); }
  .popular-books { gap: clamp(13px, 2.4vw, 28px); }
  .book-label { margin-block-start: 16px; }
  .collection { margin-block-start: 29px; }
  .friends { margin-block-start: 28px; }
  .friend-list { gap: 17px; padding-inline-start: 14px; }
  .friend { gap: 10px; }
  .friend::before { inset-inline-start: -13px; }
  .friend .avatar { width: 39px; height: 39px; }
  .friend-body { padding-block-start: 5px; }
  .calendar-days { gap: 4px; }

  .library-hero { min-block-size: 169px; }
  .library-controls { inset-block-end: -25px; }
  .library-intro h1 { white-space: normal; }
  .detail-layout { margin-inline: 0; }
  .detail-intro { padding-inline-end: 12px; }
  .detail-pager { inset-inline-start: 15px; }
  .detail-paper { padding-inline: 8%; }
  .detail-information { gap: 32px; }
}

@media (max-width: 760px) {
  :root {
    --unit: .9px;
    --frame-width: 100%;
    --pad: clamp(20px, 5.7vw, 43px);
    --frame-border: 0px;
    --outer-top: 0px;
  }

  body { font-size: 13px; }
  body[data-view] { background: var(--cream); }
  .app-frame { width: 100%; max-width: none; min-height: 100svh; border: 0; border-radius: 0; }
  .app { grid-template: auto 1fr / minmax(0, 1fr); min-height: 100svh; border-radius: 0; }
  body[data-view="home"] .app { background: var(--cream); }
  body[data-view="library"] .app { background: var(--paper); }

  .topbar {
    grid-area: 1 / 1;
    gap: 11px;
    min-height: 64px;
    padding-inline: var(--pad);
    border-bottom: 1px solid rgb(95 90 69 / .1);
  }

  .mobile-brand { display: grid; align-items: center; flex: 0 0 auto; }
  .logo-mark { width: 29px; height: 31px; }
  .search-box { width: 100%; margin-inline-end: auto; }
  .search-form { gap: 6px; }
  .search-form input { font-size: 12px; }
  .search-form .icon { width: 16px; height: 16px; }
  .top-actions { gap: 5px; }
  .top-actions .icon-button { width: 34px; height: 40px; }
  .top-actions > :last-child .icon { width: 20px; height: 20px; }
  .profile-button { min-height: 40px; padding-inline: 3px; }
  .profile-button span { display: none; }
  .top-actions .avatar { width: 28px; height: 28px; }

  .rail {
    position: fixed;
    inset: auto 0 0;
    grid-area: auto;
    z-index: 10;
    padding: 6px var(--pad) max(6px, env(safe-area-inset-bottom));
    background: var(--rail-bg);
    border-top: 1px solid var(--line);
  }

  .rail::after, .rail-brand, .rail-footer { display: none; }

  .rail-nav {
    position: static;
    flex-direction: row;
    justify-content: space-between;
    gap: 6px;
    max-width: 410px;
    margin: 0 auto;
  }

  .rail-link { width: 43px; height: 43px; }
  .rail-link .icon { width: 22px; height: 22px; }
  .main { grid-area: 2 / 1; padding-bottom: calc(56px + env(safe-area-inset-bottom)); }
  .view-pad { padding-block-end: 28px; }

  h1 { font-size: clamp(35px, 6vw, 46px); line-height: 1.16; }
  h2 { font-size: 23px; }
  .welcome p, .library-intro p, .feature-copy p { font-size: 13px; }
  .start-button { min-height: 38px; font-size: 12px; }
  .welcome .start-button, .library-intro .start-button { margin-block-start: 18px; }
  .home-hero {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 19px;
    padding-block-start: 25px;
    margin-block-end: 26px;
  }
  .welcome { grid-column: 1 / -1; }
  .welcome h1 { font-size: clamp(35px, 6vw, 46px); }
  .welcome h1 br { display: none; }
  .welcome p { margin-block-start: 12px; max-width: 390px; }
  .feature-art { inset-inline-start: -8px; align-self: center; width: calc(100% + 13px); }
  .feature-copy { padding-block-start: 2px; }
  .feature-copy h2 { font-size: clamp(21px, 4.4vw, 30px); }
  .feature-break { display: none; }
  .feature-copy .page-count { margin-block-start: 10px; }
  .feature-copy p { margin-block-start: 12px; }
  .feature-author { margin-block-start: 10px; }

  .home-columns { display: block; }
  .popular-books { gap: clamp(10px, 3.5vw, 28px); margin-block-start: 18px; }
  .book-label { margin-block-start: 14px; font-size: 12px; }
  .collection { margin-block-start: 25px; }
  .collection-book { gap: 14px; margin-block-start: 15px; }
  .collection-label strong, .volume-count { font-size: 13px; }

  .activity-column {
    margin: 29px calc(-1 * var(--pad)) -28px;
    padding: 22px var(--pad) 24px;
    background: var(--paper);
  }
  .calendar-days { gap: 5px; margin-block-start: 13px; }
  .day { height: 58px; font-size: 12px; }
  .day strong { font-size: 13px; }
  .calendar-controls { gap: 4px; margin-inline-end: -4px; }
  .calendar-controls .icon-button { width: 34px; height: 34px; }
  .friends { margin-block-start: 20px; }
  .friend-list { margin-block-start: 17px; gap: 22px; padding-inline-start: 19px; }
  .friend { gap: 12px; }
  .friend::before { inset-inline-start: -17px; }
  .friend .avatar { width: 43px; height: 43px; }
  .friend h3 { font-size: 14px; }
  .friend p { font-size: 13px; max-width: none; }
  .friend-meta { font-size: 11px; }

  .library-hero { padding-block-start: 24px; padding-block-end: 48px; }
  .author-note { margin-block-start: 25px; }
  .author-note p { font-size: 13px; margin-block-start: 9px; max-width: 430px; }
  .library-controls { inset-block-end: 5px; }
  .shelf-track { gap: 22px; }
  .shelf .book-card { grid-template-rows: 222px auto; flex-basis: 123px; }
  .shelf .book-card:first-child:not(.is-featured) { flex-basis: 123px; }
  .shelf .book-card.is-featured { flex-basis: 155px; }
  .shelf .book-card:nth-child(2).is-featured { margin-inline: 0; }
  .shelf .book-cover { height: 175px; }
  .shelf .is-featured .book-cover { height: 222px; }
  .shelf .book-label { margin-block-start: 14px; font-size: 13px; }
  .library-footer { margin-block-start: 17px; align-items: start; font-size: 11px; }

  .detail-view { padding-block-end: 0; }
  .detail-hero { display: flex; align-items: flex-start; gap: 23px; min-block-size: auto; padding-block: 28px 25px; }
  .detail-art { position: static; flex: 0 0 35%; }
  .detail-cover { box-shadow: -6px 9px 20px rgb(45 40 18 / .28); }
  .detail-intro { padding: 0; }
  .detail-intro h1 { font-size: clamp(27px, 5.8vw, 40px); }
  .detail-break { display: none; }
  .detail-author { margin-block-start: 11px; }
  .detail-tagline { margin-block-start: 9px; font-size: 12px; }
  .detail-pager { position: static; order: 1; display: flex; flex-direction: column; gap: 2px; }
  .detail-pager .icon-button { width: 30px; height: 30px; }
  .detail-hero.is-landscape .detail-art { width: auto; }
  .detail-paper { margin-inline: calc(-1 * var(--pad)); padding: 21px var(--pad) 29px; }
  .detail-action-row { margin-inline-start: 0; padding-block-end: 19px; }
  .detail-action-row .start-button { min-height: 38px; }
  .detail-icons .icon-button { width: 38px; height: 38px; }
  .detail-information { margin-block-start: 22px; gap: 23px; }
  .detail-information h2, .detail-review h3 { font-size: 14px; }
  .detail-information p { font-size: 13px; margin-block-start: 10px; }
  .detail-review { margin-block-start: 21px; }
  .detail-metadata { gap: 17px; }

  .utility-view { padding-block-start: 23px; }
  .toast { inset-block-end: max(69px, calc(63px + env(safe-area-inset-bottom))); }
  body[data-view="reader"] .main { padding-block-end: 0; }
  body[data-view="reader"] .toast { inset-block-end: max(76px, calc(69px + env(safe-area-inset-bottom))); }
}

@media (max-width: 470px) {
  .topbar { padding-inline: 14px; gap: 9px; }
  .search-form input { font-size: 16px; }
  .search-form input::placeholder { font-size: 12px; }
  .search-results { max-width: min(255px, calc(100vw - 68px)); }
  .home-hero { column-gap: 13px; }
  .welcome h1 br { display: initial; }
  .feature-copy p { font-size: 12px; }
  .feature-copy .page-count { font-size: 12px; }
  .feature-author { font-size: 11px; }
  .collection-book { grid-template-columns: 57px minmax(0, 1fr) auto; }
  .collection-label { padding-top: 1px; }
  .volume-count { padding-top: 3px; }
  .day { gap: 4px; }
  .detail-hero { gap: 17px; }
  .detail-pager { position: absolute; inset: 0 -7px auto auto; flex-direction: row; }
  .detail-pager .icon-button { width: 27px; height: 27px; }
  .detail-information { grid-template-columns: 1fr; }
  .detail-metadata { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
  .reader-page { padding-block-start: 20px; }
  .reader-top { gap: 10px; }
  .reader-back { min-width: 0; }
  .reader-back span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .reader-illustration { margin-block-start: -5px; }
  .reader-tools { gap: 5px; width: calc(100% - 16px); }
  .reader-nav { gap: 1px; padding: 3px; }
  .reader-nav .icon-button, .reader-page-button { width: clamp(30px, 9.3vw, 42px); height: clamp(30px, 9.3vw, 42px); }
  .reader-nav .icon, .reader-page-button .icon { width: 17px; height: 17px; }
}

@media (max-width: 340px) {
  .topbar { gap: 7px; padding-inline: 10px; }
  .search-form input::placeholder { font-size: 11px; }
  .top-actions { gap: 2px; }
  .popular-books { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 22px; }
  .popular-books .book-art { max-width: 107px; }
  .library-footer { flex-direction: column; gap: 6px; }
  .reader-tools { width: calc(100% - 12px); }
  .reader-nav .icon-button, .reader-page-button { min-width: 29px; min-height: 29px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}