:root {
  color-scheme: light;
  --ink: #253127;
  --muted: #756e62;
  --paper: #f6f0e5;
  --paper-deep: #eee4d4;
  --cream: #fffaf1;
  --line: #d8cab5;
  --line-dark: #b9aa93;
  --green: #4d654e;
  --green-dark: #354a39;
  --green-soft: #dce5d8;
  --rust: #c96f4f;
  --rust-dark: #9e4f37;
  --gold: #d4a245;
  --blue: #5a758a;
  --shadow: 0 18px 50px rgb(60 48 34 / 10%);
  --small-shadow: 0 8px 24px rgb(60 48 34 / 9%);
  --radius: 22px;
  --content: min(1180px, calc(100vw - 40px));
  font-family: "Yu Gothic UI", "Hiragino Kaku Gothic ProN", "BIZ UDPGothic", system-ui, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color: var(--ink);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 8% 4%, rgb(255 255 255 / 65%), transparent 27rem),
    linear-gradient(180deg, #f7f1e7 0, #f0e7d8 100%);
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.72' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.035'/%3E%3C/svg%3E");
  content: "";
  pointer-events: none;
}

button,
input,
textarea,
select {
  color: inherit;
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
}

a {
  color: var(--green-dark);
  text-underline-offset: 0.18em;
}

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

h1,
h2,
h3 {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "BIZ UDPMincho", serif;
  font-weight: 700;
  letter-spacing: 0.025em;
}

h1 {
  max-width: 22em;
  margin-bottom: 18px;
  font-size: clamp(1.75rem, 3.2vw, 2rem);
  line-height: 1.35;
}

h2 {
  font-size: clamp(1.35rem, 2.5vw, 1.65rem);
}

h3 {
  font-size: 1.05rem;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--ink);
  color: white;
  transform: translateY(-150%);
}

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

.site-header {
  display: flex;
  width: var(--content);
  min-height: 72px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgb(117 110 98 / 20%);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.site-header nav,
footer nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-header nav a,
footer nav a {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
  text-decoration: none;
}

.site-header nav a:hover,
footer nav a:hover {
  color: var(--ink);
}

.logo-mark {
  position: relative;
  display: inline-block;
  width: 28px;
  height: 32px;
  flex: 0 0 auto;
}

.logo-book {
  position: absolute;
  inset: 2px 3px 2px;
  border-radius: 3px 7px 7px 3px;
  background: var(--green);
  box-shadow:
    inset 4px 0 rgb(255 255 255 / 15%),
    0 2px 0 var(--green-dark);
}

.logo-book::after {
  position: absolute;
  right: 4px;
  bottom: 6px;
  left: 7px;
  height: 1px;
  background: rgb(255 255 255 / 46%);
  box-shadow: 0 4px rgb(255 255 255 / 30%);
  content: "";
}

.logo-ribbon {
  position: absolute;
  z-index: 1;
  top: 0;
  right: 7px;
  width: 7px;
  height: 23px;
  background: var(--rust);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 74%, 0 100%);
}

.hero {
  display: grid;
  width: var(--content);
  min-height: 510px;
  margin: 0 auto;
  padding: 62px 0 56px;
  align-items: center;
  grid-template-columns: minmax(300px, 0.88fr) minmax(420px, 1.12fr);
  gap: clamp(30px, 5vw, 80px);
}

.hero-copy {
  padding: 10px 0;
}

.eyebrow,
.section-kicker {
  margin-bottom: 12px;
  color: var(--rust-dark);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 33rem;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 2;
}

.hero-actions {
  display: flex;
  margin-top: 26px;
  flex-wrap: wrap;
  gap: 11px;
}

.primary-button,
.quiet-button,
.text-button,
.icon-button,
.danger-button {
  display: inline-flex;
  min-height: 44px;
  padding: 10px 18px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 0.88rem;
  font-weight: 750;
  line-height: 1;
  text-decoration: none;
  transition:
    transform 140ms ease,
    box-shadow 140ms ease,
    background 140ms ease;
}

.primary-button {
  border: 1px solid var(--green-dark);
  background: var(--green);
  box-shadow: 0 6px 14px rgb(53 74 57 / 18%);
  color: white;
}

.primary-button:hover {
  background: var(--green-dark);
  box-shadow: 0 8px 18px rgb(53 74 57 / 22%);
  transform: translateY(-1px);
}

.quiet-button,
.icon-button {
  border: 1px solid var(--line);
  background: rgb(255 250 241 / 75%);
  color: var(--ink);
}

.quiet-button:hover,
.icon-button:hover {
  border-color: var(--line-dark);
  background: var(--cream);
}

.text-button {
  min-height: 40px;
  padding-inline: 10px;
  border: 0;
  background: transparent;
  color: var(--green-dark);
  text-decoration: underline;
  text-decoration-color: rgb(77 101 78 / 35%);
  text-underline-offset: 0.25em;
}

.danger-button {
  margin-right: auto;
  border: 1px solid #d9aaa0;
  background: #fff7f4;
  color: #903d2f;
}

.small {
  min-height: 38px;
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 0.8rem;
}

button:disabled {
  cursor: wait;
  opacity: 0.58;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid rgb(212 162 69 / 58%);
  outline-offset: 3px;
}

.trust-row {
  display: flex;
  margin: 26px 0 0;
  padding: 0;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: var(--muted);
  font-size: 0.72rem;
  list-style: none;
}

.trust-row li {
  display: flex;
  align-items: center;
  gap: 7px;
}

.trust-dot {
  width: 7px;
  height: 7px;
  border: 2px solid var(--green);
  border-radius: 50%;
}

.shelf-scene {
  position: relative;
  min-height: 390px;
  overflow: hidden;
  border: 1px solid rgb(185 170 147 / 55%);
  border-radius: 30px 30px 18px 18px;
  background: linear-gradient(110deg, rgb(255 255 255 / 45%), transparent 42%), #ded4c3;
  box-shadow: var(--shadow);
}

.shelf-scene::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 25px;
  border-top: 7px solid #8c6645;
  background: #b5875f;
  box-shadow: inset 0 7px rgb(255 255 255 / 9%);
  content: "";
}

.sun-patch {
  position: absolute;
  top: -50px;
  left: -40px;
  width: 360px;
  height: 260px;
  background: linear-gradient(126deg, rgb(255 250 220 / 58%), transparent 70%);
  clip-path: polygon(0 0, 58% 0, 100% 100%, 24% 80%);
}

.wall-frame {
  position: absolute;
  top: 42px;
  left: 44px;
  width: 116px;
  height: 96px;
  padding: 16px 18px;
  border: 8px solid #8e7258;
  background: #ece4d7;
  box-shadow: 5px 7px 12px rgb(69 51 35 / 13%);
}

.wall-frame span {
  display: block;
  width: 48px;
  height: 6px;
  margin: 7px auto;
  background: #a5a995;
  transform: rotate(-4deg);
}

.wall-frame span:nth-child(2) {
  width: 62px;
  background: #d0a86f;
  transform: rotate(2deg);
}

.wall-frame span:nth-child(3) {
  width: 38px;
  background: #829084;
}

.plant {
  position: absolute;
  top: 92px;
  right: 45px;
  width: 78px;
  height: 96px;
}

.plant b {
  position: absolute;
  right: 10px;
  bottom: 0;
  width: 50px;
  height: 42px;
  border-radius: 6px 6px 18px 18px;
  background: #b96d4f;
  box-shadow: inset 0 8px rgb(255 255 255 / 12%);
}

.plant i {
  position: absolute;
  z-index: 1;
  top: 5px;
  left: 26px;
  width: 28px;
  height: 59px;
  border-radius: 100% 0 100% 0;
  background: #657a58;
  transform: rotate(-24deg);
  transform-origin: bottom;
}

.plant i:nth-child(2) {
  left: 35px;
  height: 67px;
  background: #4c6a4e;
  transform: rotate(20deg) scaleX(-1);
}

.plant i:nth-child(3) {
  top: 18px;
  left: 13px;
  height: 48px;
  background: #768963;
  transform: rotate(-52deg);
}

.scene-shelf {
  position: absolute;
  right: 36px;
  bottom: 25px;
  left: 32px;
  display: flex;
  height: 165px;
  padding: 0 18px 15px;
  align-items: end;
  border-bottom: 18px solid #8c6645;
  gap: 4px;
}

.scene-shelf::before {
  position: absolute;
  right: 0;
  bottom: -25px;
  left: 0;
  height: 9px;
  border-radius: 0 0 4px 4px;
  background: #6f4d35;
  content: "";
}

.spine {
  display: block;
  width: 34px;
  height: 108px;
  border-radius: 3px 7px 2px 2px;
  box-shadow:
    inset 3px 0 rgb(255 255 255 / 15%),
    2px 3px 4px rgb(64 42 28 / 18%);
}

.spine.tall {
  height: 133px;
}

.spine.ochre {
  background: #d0a04c;
}

.spine.cream {
  width: 27px;
  height: 118px;
  background: #eee3ca;
}

.spine.green {
  width: 42px;
  background: #5d745c;
}

.spine.rust {
  width: 28px;
  height: 119px;
  background: #b86648;
}

.spine.blue {
  position: relative;
  width: 39px;
  background: #56718a;
}

.spine.blue i {
  position: absolute;
  top: 0;
  right: 8px;
  width: 7px;
  height: 70px;
  background: #d66c4b;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 82%, 0 100%);
}

.spine.rose {
  width: 31px;
  height: 101px;
  background: #986b77;
}

.book-stack {
  position: relative;
  display: block;
  width: 90px;
  height: 29px;
  margin-left: 10px;
  border-radius: 3px;
  background: #d0c5ae;
  box-shadow:
    0 -22px 0 -2px #7b604f,
    0 -40px 0 -4px #d38a55,
    inset 0 5px rgb(255 255 255 / 25%);
}

.open-book {
  position: absolute;
  right: 48px;
  bottom: 38px;
  width: 180px;
  height: 90px;
  filter: drop-shadow(5px 8px 6px rgb(53 39 27 / 20%));
  transform: rotate(-4deg);
}

.page {
  position: absolute;
  bottom: 0;
  width: 92px;
  height: 78px;
  border: 1px solid #d8cbb6;
  background: #fffaf0;
}

.page.left {
  left: 0;
  border-radius: 5px 4px 14px 4px;
  clip-path: polygon(0 9%, 93% 0, 100% 100%, 4% 90%);
}

.page.right {
  right: 0;
  border-radius: 4px 5px 4px 14px;
  clip-path: polygon(7% 0, 100% 9%, 96% 90%, 0 100%);
}

.page-line {
  position: absolute;
  z-index: 1;
  top: 29px;
  left: 24px;
  width: 52px;
  height: 3px;
  background: #d4c6ae;
  box-shadow:
    0 10px #d4c6ae,
    0 20px #d4c6ae;
  transform: rotate(-4deg);
}

.page-line.l2 {
  right: 25px;
  left: auto;
  transform: rotate(4deg);
}

.page-line.l3 {
  top: 67px;
  width: 128px;
  box-shadow: none;
  opacity: 0.65;
}

.open-ribbon {
  position: absolute;
  z-index: 2;
  right: 82px;
  bottom: -15px;
  width: 11px;
  height: 92px;
  background: var(--rust);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 86%, 0 100%);
}

.scene-note {
  position: absolute;
  right: 25px;
  bottom: 118px;
  display: flex;
  width: 68px;
  height: 67px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #f5e2a9;
  box-shadow: 3px 5px 8px rgb(67 47 31 / 13%);
  color: #75593e;
  transform: rotate(6deg);
}

.scene-note span {
  font-family: "Yu Mincho", serif;
  font-size: 1.35rem;
  font-weight: 700;
}

.scene-note small {
  margin-top: 6px;
  font-size: 0.62rem;
}

.library {
  position: relative;
  width: var(--content);
  min-height: 500px;
  margin: 12px auto 84px;
  padding: clamp(25px, 4vw, 44px);
  border: 1px solid rgb(185 170 147 / 65%);
  border-radius: 28px;
  background: rgb(255 250 241 / 84%);
  box-shadow: var(--shadow);
}

.library-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}

.library-toolbar h2,
.dialog-heading h2 {
  margin: 0;
}

.library-toolbar .section-kicker,
.dialog-heading .section-kicker {
  margin-bottom: 6px;
}

.toolbar-actions {
  display: flex;
  gap: 8px;
}

.icon-button {
  min-height: 40px;
  padding: 8px 12px;
  gap: 7px;
  font-size: 0.75rem;
}

.icon-button > span:first-child {
  color: var(--green);
  font-size: 1.05rem;
}

.shelf-summary {
  display: grid;
  margin: 26px 0;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgb(246 240 229 / 70%);
}

.summary-tile {
  display: flex;
  min-height: 80px;
  padding: 16px 18px;
  align-items: center;
  gap: 13px;
}

.summary-tile + .summary-tile {
  border-left: 1px solid var(--line);
}

.summary-icon {
  display: grid;
  width: 34px;
  height: 40px;
  place-items: center;
  border-radius: 4px 9px 9px 4px;
  background: var(--green);
  color: white;
  font-weight: 800;
  box-shadow: inset 4px 0 rgb(255 255 255 / 15%);
}

.summary-tile.finished .summary-icon {
  background: var(--rust);
}

.summary-tile.pages .summary-icon {
  background: var(--gold);
}

.summary-tile.streak .summary-icon {
  background: var(--blue);
}

.summary-tile div {
  display: flex;
  flex-direction: column;
}

.summary-tile strong {
  font-family: "Yu Mincho", serif;
  font-size: 1.35rem;
  line-height: 1.1;
}

.summary-tile small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.69rem;
}

.filter-strip {
  display: flex;
  padding-bottom: 13px;
  overflow-x: auto;
  border-bottom: 5px solid #8a6446;
  gap: 5px;
  scrollbar-width: thin;
}

.filter-strip button {
  min-width: max-content;
  padding: 7px 13px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
}

.filter-strip button[aria-pressed="true"] {
  border-color: #c8d4c5;
  background: var(--green-soft);
  color: var(--green-dark);
}

.book-shelf {
  display: grid;
  padding: 28px 4px 15px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.book-shelf.is-empty-filter {
  grid-template-columns: 1fr;
}

.book-card {
  position: relative;
  display: grid;
  min-height: 230px;
  padding: 18px;
  overflow: hidden;
  border: 1px solid #ddd0bc;
  border-radius: 16px;
  background: linear-gradient(142deg, rgb(255 255 255 / 68%), transparent 62%), #f6efe3;
  grid-template-columns: 86px 1fr;
  gap: 17px;
  transition:
    transform 150ms ease,
    box-shadow 150ms ease;
}

.book-card:hover {
  box-shadow: var(--small-shadow);
  transform: translateY(-2px);
}

.book-card::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 7px;
  background: #9a7454;
  box-shadow: 0 -2px #d0b18d;
  content: "";
}

.book-visual {
  position: relative;
  display: flex;
  min-height: 175px;
  align-items: end;
  justify-content: center;
}

.book-cover {
  position: relative;
  z-index: 1;
  display: flex;
  width: 66px;
  height: 148px;
  padding: 15px 8px;
  align-items: center;
  justify-content: center;
  border-radius: 4px 11px 11px 4px;
  background: var(--cover, #5d745c);
  box-shadow:
    inset 6px 0 rgb(255 255 255 / 13%),
    inset -3px 0 rgb(0 0 0 / 10%),
    6px 7px 10px rgb(55 38 26 / 20%);
  color: rgb(255 255 255 / 88%);
}

.book-cover::before,
.book-cover::after {
  position: absolute;
  right: 9px;
  left: 12px;
  height: 1px;
  background: rgb(255 255 255 / 38%);
  content: "";
}

.book-cover::before {
  top: 13px;
}

.book-cover::after {
  bottom: 13px;
}

.book-visual.ochre,
.mini-spine.ochre,
.result-spine.ochre,
.log-dot.ochre {
  --cover: #cf9a42;
}

.book-visual.green,
.mini-spine.green,
.result-spine.green,
.log-dot.green {
  --cover: #5d745c;
}

.book-visual.rust,
.mini-spine.rust,
.result-spine.rust,
.log-dot.rust {
  --cover: #bd6849;
}

.book-visual.blue,
.mini-spine.blue,
.result-spine.blue,
.log-dot.blue {
  --cover: #56718a;
}

.book-visual.rose,
.mini-spine.rose,
.result-spine.rose,
.log-dot.rose {
  --cover: #986b77;
}

.book-visual.plum,
.mini-spine.plum,
.result-spine.plum,
.log-dot.plum {
  --cover: #6e5b79;
}

.book-visual.sand,
.mini-spine.sand,
.result-spine.sand,
.log-dot.sand {
  --cover: #aa8560;
}

.book-visual.teal,
.mini-spine.teal,
.result-spine.teal,
.log-dot.teal {
  --cover: #527a78;
}

.cover-title {
  font-family: "Yu Mincho", serif;
  font-size: 1.03rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  writing-mode: vertical-rl;
}

.cover-ribbon {
  position: absolute;
  z-index: 2;
  top: -2px;
  right: 11px;
  width: 9px;
  height: 79px;
  background: #efb55a;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 82%, 0 100%);
}

.book-shadow {
  position: absolute;
  bottom: 9px;
  width: 78px;
  height: 12px;
  border-radius: 50%;
  background: rgb(72 50 34 / 17%);
  filter: blur(4px);
}

.book-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.state-badge {
  width: fit-content;
  margin-bottom: 9px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: 0.64rem;
  font-weight: 750;
}

.state-badge.finished {
  background: #f3ddd4;
  color: #8f4936;
}

.state-badge.want {
  background: #e6e0ef;
  color: #635473;
}

.state-badge.owned {
  background: #eee2ca;
  color: #765c2f;
}

.state-badge.paused {
  background: #e2e2de;
  color: #686961;
}

.book-copy h3 {
  display: -webkit-box;
  margin-bottom: 4px;
  overflow: hidden;
  font-size: 1rem;
  line-height: 1.5;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.book-author {
  margin-bottom: 13px;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.72rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.book-progress {
  margin-top: auto;
}

.book-progress > span {
  position: relative;
  display: block;
  height: 5px;
  overflow: hidden;
  border-radius: 999px;
  background: #ded5c6;
}

.book-progress > span::after {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: var(--progress);
  border-radius: inherit;
  background: var(--green);
  content: "";
}

.book-progress small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.62rem;
}

.book-rating {
  margin-top: 5px;
  color: #c68d25;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.tag-list {
  display: flex;
  margin-top: 6px;
  flex-wrap: wrap;
  gap: 4px;
}

.tag-list span {
  max-width: 100px;
  padding: 2px 6px;
  overflow: hidden;
  border: 1px solid #ddd0bc;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.58rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.book-actions {
  display: flex;
  margin-top: 13px;
  gap: 6px;
}

.empty-shelf {
  padding: 48px 20px 30px;
  text-align: center;
}

.empty-shelf[hidden] {
  display: none;
}

.empty-books {
  position: relative;
  display: flex;
  width: 170px;
  height: 110px;
  margin: 0 auto 24px;
  align-items: end;
  justify-content: center;
  border-bottom: 10px solid #9b7454;
  gap: 5px;
}

.empty-books span {
  width: 31px;
  height: 78px;
  border-radius: 3px 7px 2px 2px;
  background: #5d745c;
  box-shadow: inset 4px 0 rgb(255 255 255 / 14%);
}

.empty-books span:nth-child(2) {
  height: 94px;
  background: #cf9a42;
}

.empty-books span:nth-child(3) {
  width: 37px;
  height: 85px;
  background: #986b77;
}

.empty-books i {
  position: absolute;
  top: 12px;
  right: 30px;
  width: 8px;
  height: 59px;
  background: var(--rust);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 82%, 0 100%);
}

.empty-shelf h3 {
  margin-bottom: 8px;
  font-size: 1.2rem;
}

.empty-shelf p,
.filter-empty {
  color: var(--muted);
  font-size: 0.82rem;
}

.filter-empty {
  padding: 50px 20px;
  text-align: center;
}

.shelf-add {
  display: flex;
  width: 100%;
  min-height: 52px;
  margin-top: 10px;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--line-dark);
  border-radius: 13px;
  background: rgb(246 240 229 / 58%);
  color: var(--green-dark);
  font-size: 0.78rem;
  font-weight: 750;
  gap: 7px;
}

.shelf-add:hover {
  border-style: solid;
  background: var(--green-soft);
}

.shelf-add span {
  font-size: 1.1rem;
}

dialog {
  width: min(680px, calc(100vw - 30px));
  max-height: min(88vh, 880px);
  padding: 0;
  overflow: auto;
  border: 1px solid var(--line-dark);
  border-radius: 24px;
  background: var(--cream);
  box-shadow: 0 30px 100px rgb(40 29 20 / 30%);
  color: var(--ink);
}

dialog::backdrop {
  background: rgb(37 49 39 / 48%);
  backdrop-filter: blur(4px);
}

.search-dialog,
.review-dialog {
  width: min(920px, calc(100vw - 30px));
}

.dialog-heading {
  display: flex;
  padding: 26px 28px 20px;
  align-items: start;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.dialog-close {
  display: grid;
  width: 38px;
  height: 38px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  font-size: 1.25rem;
}

.dialog-close:hover {
  background: var(--paper-deep);
  color: var(--ink);
}

.book-form,
.progress-form,
.list-dialog form {
  padding: 24px 28px 28px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-grid .span-two {
  grid-column: span 2;
}

label {
  display: grid;
  color: var(--muted);
  font-size: 0.73rem;
  font-weight: 700;
  gap: 7px;
}

input,
textarea,
select {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line-dark);
  border-radius: 10px;
  outline: none;
  background: white;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 500;
}

textarea {
  min-height: 88px;
  line-height: 1.7;
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgb(77 101 78 / 12%);
}

.dialog-actions {
  display: flex;
  margin-top: 22px;
  align-items: center;
  justify-content: end;
  gap: 8px;
}

.form-state,
.search-state {
  min-height: 1.4em;
  margin: 15px 0 0;
  color: var(--rust-dark);
  font-size: 0.76rem;
}

.search-form {
  display: grid;
  padding: 24px 28px 0;
  gap: 13px;
}

.search-field {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.search-state {
  margin: 15px 28px;
  color: var(--muted);
}

.search-results {
  display: grid;
  max-height: 450px;
  padding: 0 28px;
  overflow: auto;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.search-result {
  display: grid;
  min-height: 140px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #faf5eb;
  grid-template-columns: 30px 1fr;
  grid-template-rows: 1fr auto;
  gap: 7px 12px;
}

.result-spine,
.mini-spine {
  display: block;
  width: 26px;
  height: 88px;
  border-radius: 3px 7px 7px 3px;
  background: var(--cover);
  box-shadow: inset 4px 0 rgb(255 255 255 / 15%);
}

.result-copy {
  min-width: 0;
}

.result-copy h3 {
  display: -webkit-box;
  margin-bottom: 4px;
  overflow: hidden;
  font-size: 0.86rem;
  line-height: 1.5;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.result-copy p,
.result-copy small {
  display: block;
  margin-bottom: 4px;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.66rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.source-link {
  font-size: 0.63rem;
}

.search-result .quiet-button {
  grid-column: 2;
  justify-self: end;
}

.search-foot {
  display: flex;
  margin-top: 20px;
  padding: 17px 28px 24px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  gap: 16px;
}

.search-foot p {
  margin: 0;
  color: var(--muted);
  font-size: 0.64rem;
  line-height: 1.6;
}

.progress-book {
  display: flex;
  margin-bottom: 22px;
  padding: 16px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
  gap: 14px;
}

.progress-book .mini-spine {
  width: 34px;
  height: 78px;
  flex: 0 0 auto;
}

.progress-book div {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 4px;
}

.progress-book small {
  color: var(--muted);
  font-size: 0.65rem;
}

.progress-book strong {
  overflow: hidden;
  font-family: "Yu Mincho", serif;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.progress-form {
  display: grid;
  gap: 16px;
}

.page-input {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-input input {
  max-width: 180px;
  font-size: 1.2rem;
  font-weight: 750;
}

.page-input span {
  color: var(--muted);
  font-size: 0.8rem;
}

.finish-check {
  display: flex;
  align-items: center;
  color: var(--ink);
  gap: 9px;
}

.finish-check input {
  width: 18px;
  min-height: 18px;
}

.review-grid {
  display: grid;
  padding: 24px 28px 10px;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 15px;
}

.calendar-card,
.recent-card {
  min-height: 310px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper);
}

.card-heading {
  display: flex;
  margin-bottom: 18px;
  align-items: center;
  justify-content: space-between;
}

.card-heading h3 {
  margin: 0;
}

.card-heading span {
  color: var(--muted);
  font-size: 0.7rem;
}

.reading-calendar {
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(7, 18px);
  grid-auto-columns: 18px;
  justify-content: space-between;
  gap: 5px;
}

.calendar-cell,
.calendar-legend i {
  display: block;
  border: 1px solid rgb(185 170 147 / 35%);
  border-radius: 4px;
  background: #e8dfd1;
}

.calendar-cell[data-level="1"],
.calendar-legend i[data-level="1"] {
  background: #cdd9c9;
}

.calendar-cell[data-level="2"],
.calendar-legend i[data-level="2"] {
  background: #95ae92;
}

.calendar-cell[data-level="3"],
.calendar-legend i[data-level="3"] {
  background: #638063;
}

.calendar-cell[data-level="4"],
.calendar-legend i[data-level="4"] {
  background: #3e5b43;
}

.calendar-legend {
  display: flex;
  margin-top: 18px;
  align-items: center;
  justify-content: end;
  gap: 4px;
}

.calendar-legend span {
  margin: 0 3px;
  color: var(--muted);
  font-size: 0.58rem;
}

.calendar-legend i {
  width: 13px;
  height: 13px;
}

.recent-log-list {
  display: grid;
  max-height: 245px;
  overflow: auto;
  gap: 5px;
}

.recent-log {
  display: grid;
  padding: 9px 0;
  align-items: start;
  border-bottom: 1px solid var(--line);
  grid-template-columns: 9px 1fr auto;
  gap: 9px;
}

.log-dot {
  width: 8px;
  height: 25px;
  border-radius: 2px;
  background: var(--cover);
}

.recent-log strong {
  display: block;
  max-width: 190px;
  overflow: hidden;
  font-size: 0.72rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.recent-log p,
.recent-log small {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.61rem;
}

.recent-log small {
  display: -webkit-box;
  max-width: 220px;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.recent-log time {
  color: var(--muted);
  font-size: 0.56rem;
}

.quiet-empty {
  color: var(--muted);
  font-size: 0.7rem;
}

.share-section {
  display: flex;
  margin: 10px 28px 28px;
  padding: 18px 20px;
  align-items: center;
  justify-content: space-between;
  border-radius: 14px;
  background: var(--green-soft);
  gap: 20px;
}

.share-section h3 {
  margin-bottom: 4px;
}

.share-section p {
  margin: 0;
  color: var(--muted);
  font-size: 0.67rem;
}

.data-cards {
  display: grid;
  padding: 22px 28px 5px;
  gap: 10px;
}

.data-cards article {
  display: grid;
  padding: 16px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
  grid-template-columns: 52px 1fr auto;
  gap: 14px;
}

.data-icon {
  display: grid;
  width: 48px;
  height: 58px;
  place-items: center;
  border-radius: 5px 11px 11px 5px;
  background: var(--green);
  box-shadow: inset 5px 0 rgb(255 255 255 / 15%);
  color: white;
  font-family: "Yu Mincho", serif;
  font-size: 0.73rem;
  font-weight: 750;
}

.data-cards article:nth-child(2) .data-icon {
  background: var(--rust);
}

.data-cards article:nth-child(3) .data-icon {
  background: var(--blue);
}

.data-cards h3 {
  margin-bottom: 4px;
}

.data-cards p {
  margin: 0;
  color: var(--muted);
  font-size: 0.67rem;
}

.file-button {
  position: relative;
  cursor: pointer;
}

.file-button input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.data-dialog > .form-state {
  margin: 10px 28px 24px;
}

.list-dialog form > p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.67rem;
}

.subpage {
  width: min(920px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 64px 0 90px;
}

.subpage-lead {
  max-width: 610px;
  margin-bottom: 45px;
}

.subpage-lead > p:last-child {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.9;
}

.guide-steps {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  gap: 14px;
}

.guide-steps li {
  display: grid;
  min-height: 190px;
  padding: 26px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgb(255 250 241 / 72%);
  grid-template-columns: 190px 1fr;
  gap: 32px;
}

.guide-steps h2 {
  margin: 4px 0 9px;
  font-size: 1.2rem;
}

.guide-steps p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.9;
}

.step-number {
  color: var(--rust);
  font-size: 0.67rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.step-visual {
  position: relative;
  width: 170px;
  height: 130px;
  border-radius: 14px;
  background: var(--paper-deep);
}

.search-glass {
  position: absolute;
  top: 32px;
  left: 34px;
  width: 54px;
  height: 54px;
  border: 8px solid var(--green);
  border-radius: 50%;
}

.search-glass::after {
  position: absolute;
  right: -30px;
  bottom: -19px;
  width: 36px;
  height: 8px;
  border-radius: 5px;
  background: var(--green);
  content: "";
  transform: rotate(44deg);
}

.found-spine {
  position: absolute;
  right: 25px;
  bottom: 15px;
  width: 36px;
  height: 91px;
  border-radius: 3px 8px 8px 3px;
  background: var(--rust);
  box-shadow: inset 5px 0 rgb(255 255 255 / 14%);
}

.guide-book {
  position: absolute;
  top: 21px;
  left: 47px;
  width: 78px;
  height: 97px;
  border-radius: 5px 13px 13px 5px;
  background: var(--blue);
  box-shadow:
    inset 7px 0 rgb(255 255 255 / 14%),
    6px 7px 8px rgb(60 42 28 / 15%);
}

.guide-ribbon {
  position: absolute;
  z-index: 1;
  top: 19px;
  right: 54px;
  width: 12px;
  height: 75px;
  background: var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 82%, 0 100%);
}

.file-sheet {
  position: absolute;
  top: 22px;
  left: 37px;
  width: 67px;
  height: 88px;
  border: 2px solid var(--line-dark);
  border-radius: 5px;
  background: white;
  box-shadow: 6px 7px 8px rgb(60 42 28 / 12%);
}

.file-sheet::after {
  position: absolute;
  top: 25px;
  right: 12px;
  left: 12px;
  height: 3px;
  background: var(--line);
  box-shadow:
    0 13px var(--line),
    0 26px var(--line);
  content: "";
}

.carry-arrow {
  position: absolute;
  right: 27px;
  bottom: 18px;
  color: var(--rust);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1;
}

.guide-note {
  display: grid;
  margin-top: 20px;
  padding: 22px 25px;
  align-items: center;
  border-radius: 16px;
  background: var(--green-soft);
  grid-template-columns: auto 1fr auto;
  gap: 18px;
}

.guide-note h2 {
  margin-bottom: 3px;
  font-size: 1rem;
}

.guide-note p {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.privacy-grid article {
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: rgb(255 250 241 / 72%);
}

.privacy-symbol {
  display: grid;
  width: 50px;
  height: 57px;
  margin-bottom: 17px;
  place-items: center;
  border-radius: 5px 11px 11px 5px;
  background: var(--green);
  box-shadow: inset 5px 0 rgb(255 255 255 / 14%);
  color: white;
  font-size: 1.1rem;
  font-weight: 800;
}

.privacy-symbol.network {
  background: var(--rust);
}

.privacy-symbol.measure {
  background: var(--gold);
}

.privacy-symbol.export {
  background: var(--blue);
}

.privacy-grid h2 {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.privacy-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.9;
}

.privacy-details {
  margin-top: 18px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: rgb(246 240 229 / 68%);
}

.privacy-details h2 {
  font-size: 1.05rem;
}

.privacy-details ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 2;
}

.not-found {
  display: grid;
  width: min(900px, calc(100vw - 40px));
  min-height: 68vh;
  margin: 0 auto;
  align-items: center;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.not-found .shelf-scene {
  min-height: 320px;
}

.not-found p:not(.eyebrow) {
  color: var(--muted);
}

.startup-error,
.noscript {
  width: var(--content);
  margin: 16px auto;
  padding: 14px 18px;
  border: 1px solid #d9aaa0;
  border-radius: 12px;
  background: #fff2ee;
  color: #843f32;
  font-size: 0.8rem;
}

footer {
  display: grid;
  width: var(--content);
  min-height: 150px;
  margin: 0 auto;
  padding: 35px 0;
  align-items: center;
  border-top: 1px solid var(--line);
  grid-template-columns: auto 1fr auto;
  gap: 24px;
}

footer > p {
  margin: 0;
  color: var(--muted);
  font-family: "Yu Mincho", serif;
  font-size: 0.78rem;
}

@media (max-width: 960px) {
  .hero {
    min-height: auto;
    padding-top: 45px;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 25px;
  }

  .shelf-scene {
    min-height: 350px;
  }

  .book-shelf {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .review-grid {
    grid-template-columns: 1fr;
  }

  .reading-calendar {
    justify-content: start;
  }
}

@media (max-width: 760px) {
  :root {
    --content: min(100% - 28px, 650px);
  }

  .site-header {
    min-height: 64px;
  }

  .site-header nav {
    gap: 14px;
  }

  .site-header nav a {
    font-size: 0.72rem;
  }

  .hero {
    padding: 34px 0 44px;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    padding: 0;
  }

  .shelf-scene {
    min-height: 330px;
  }

  .wall-frame {
    top: 32px;
    left: 30px;
  }

  .library {
    padding: 22px 15px;
    border-radius: 21px;
  }

  .shelf-summary {
    grid-template-columns: repeat(2, 1fr);
  }

  .summary-tile:nth-child(3) {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .summary-tile:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .book-shelf {
    padding-inline: 0;
    grid-template-columns: 1fr;
  }

  .book-card {
    min-height: 215px;
  }

  .search-results {
    grid-template-columns: 1fr;
  }

  .search-foot {
    align-items: start;
    flex-direction: column;
  }

  .review-grid {
    padding: 18px 16px 8px;
  }

  .reading-calendar {
    grid-template-rows: repeat(7, 15px);
    grid-auto-columns: 15px;
    gap: 4px;
  }

  .share-section {
    margin-inline: 16px;
    align-items: start;
    flex-direction: column;
  }

  .data-cards {
    padding-inline: 16px;
  }

  .data-cards article {
    grid-template-columns: 45px 1fr;
  }

  .data-cards article > .quiet-button {
    grid-column: span 2;
  }

  .guide-steps li {
    grid-template-columns: 1fr;
  }

  .step-visual {
    width: 100%;
  }

  .guide-note {
    grid-template-columns: auto 1fr;
  }

  .guide-note .primary-button {
    grid-column: span 2;
  }

  .privacy-grid {
    grid-template-columns: 1fr;
  }

  .not-found {
    padding: 35px 0 60px;
    grid-template-columns: 1fr;
  }

  footer {
    padding: 28px 0 42px;
    grid-template-columns: 1fr;
  }

  footer nav {
    align-items: start;
    flex-direction: column;
    gap: 12px;
  }
}

@media (max-width: 500px) {
  .brand {
    font-size: 1rem;
  }

  h1 {
    font-size: 1.72rem;
  }

  .hero-copy > p:not(.eyebrow) br {
    display: none;
  }

  .scene-shelf {
    right: 17px;
    left: 17px;
  }

  .plant {
    right: 22px;
  }

  .open-book {
    right: 24px;
  }

  .summary-tile {
    min-height: 72px;
    padding: 12px 10px;
  }

  .summary-icon {
    width: 28px;
    height: 34px;
  }

  .summary-tile strong {
    font-size: 1.1rem;
  }

  .book-card {
    padding: 15px;
    grid-template-columns: 70px 1fr;
    gap: 13px;
  }

  .book-cover {
    width: 56px;
  }

  .dialog-heading {
    padding: 21px 18px 16px;
  }

  .book-form,
  .progress-form,
  .list-dialog form {
    padding: 18px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-grid .span-two {
    grid-column: span 1;
  }

  .search-form {
    padding: 18px 18px 0;
  }

  .search-state {
    margin-inline: 18px;
  }

  .search-results {
    padding-inline: 18px;
  }

  .search-foot {
    padding-inline: 18px;
  }

  .reading-calendar {
    grid-template-rows: repeat(7, 13px);
    grid-auto-columns: 13px;
    gap: 3px;
  }
}

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

@media print {
  .site-header,
  .hero,
  .library-toolbar .toolbar-actions,
  .filter-strip,
  .book-actions,
  .shelf-add,
  footer {
    display: none !important;
  }

  body,
  .library {
    background: white;
    box-shadow: none;
  }

  .library {
    width: 100%;
    margin: 0;
    border: 0;
  }

  .book-card {
    break-inside: avoid;
  }
}