:root {
  font-family: "PingFang SC", "Hiragino Sans GB", sans-serif;
  --bg: #212121;
  --panel: #282a27;
  --ink: #d5d8d0;
  --muted: #a1a69b;
  --line: #41473e;
  --accent: #b0bf9e;
  --on-accent: #20261c;
  color-scheme: dark;
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}
body[data-ui="light"] {
  --bg: #fbf8f1;
  --panel: #f2f3ed;
  --ink: #243c35;
  --muted: #657061;
  --line: #dce1d4;
  --accent: #c74826;
  --on-accent: #fff;
  color-scheme: light;
}
button,
input,
textarea,
select {
  font: inherit;
}
button {
  min-height: 44px;
  padding: 10px 15px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  border-radius: 6px;
  cursor: pointer;
  touch-action: manipulation;
}
button:disabled {
  opacity: 0.45;
  cursor: default;
}
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
button:hover {
  background: var(--panel);
}
button.primary {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
}
input,
textarea,
select {
  display: block;
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
}
input[type="range"] {
  padding: 0;
  min-height: 44px;
  accent-color: var(--accent);
}
input[type="color"] {
  padding: 3px;
  height: 48px;
}
input[type="checkbox"] {
  display: inline;
  width: 22px;
  height: 22px;
  accent-color: var(--accent);
}
textarea {
  min-height: 110px;
  resize: vertical;
}
label {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  margin: 16px 0;
}
.check {
  display: flex;
  gap: 10px;
  align-items: center;
}
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: calc(20px + env(safe-area-inset-top))
    max(24px, env(safe-area-inset-right)) 20px
    max(24px, env(safe-area-inset-left));
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: Georgia, serif;
  font-size: 11px;
  letter-spacing: 2px;
}
.seal {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: var(--ink);
  color: var(--bg);
  border-radius: 50%;
  font-size: 20px;
}
.page {
  max-width: 850px;
  margin: auto;
  padding: 36px max(24px, env(safe-area-inset-right))
    calc(110px + env(safe-area-inset-bottom))
    max(24px, env(safe-area-inset-left));
}
.eyebrow {
  font-size: 9px;
  color: var(--muted);
  letter-spacing: 2.1px;
}
h1 {
  font-family: "Songti SC", "STSong", serif;
  font-size: 38px;
  font-weight: 500;
  letter-spacing: 2px;
  margin: 12px 0;
}
h2 {
  font-size: 19px;
  font-weight: 500;
}
.subtitle {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 30px;
}
.shelf-actions {
  display: flex;
  gap: 8px;
}
.shelf-actions button {
  padding: 10px 12px;
  font-size: 14px;
}
.hint {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.9;
}
.shelf {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px 20px;
  margin-top: 24px;
}
.book-card {
  min-width: 0;
}
.cover {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  aspect-ratio: 3/4;
  width: 100%;
  text-align: left;
  border-radius: 2px 8px 8px 2px;
  padding: 16px 13px 13px 18px;
  border: 1px solid #ffffff18;
  border-left: 5px solid #0002;
  background: hsl(var(--cover-hue) 12% 30%);
  color: #f7f0da;
  box-shadow: 4px 6px 12px #0002;
}
.cover:hover {
  background: hsl(var(--cover-hue) 12% 34%);
}
.cover-imprint {
  font-size: 7px;
  letter-spacing: 1.7px;
  border-bottom: 1px solid #ffffff45;
  padding-bottom: 8px;
}
.cover strong {
  font-family: "Songti SC", serif;
  font-size: 20px;
  line-height: 1.5;
  font-weight: 500;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
}
.cover-footer {
  display: flex;
  justify-content: space-between;
  width: 100%;
  font-family: serif;
  font-size: 11px;
}
.book-card h2 {
  font-size: 14px;
  line-height: 1.6;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin: 14px 0 4px;
}
.book-status {
  font-size: 10px;
  color: var(--muted);
}
progress {
  width: 100%;
  height: 3px;
  display: block;
  margin: 12px 0 8px;
  accent-color: var(--accent);
}
.book-numbers {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  justify-content: space-between;
  font-size: 10px;
  color: var(--muted);
}
.book-numbers b {
  color: var(--ink);
  font-weight: 500;
}
.tabs {
  position: fixed;
  z-index: 3;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  padding: 10px max(12px, env(safe-area-inset-right))
    calc(10px + env(safe-area-inset-bottom))
    max(12px, env(safe-area-inset-left));
  border-top: 1px solid var(--line);
  background: var(--bg);
}
.tabs button {
  flex: 1;
  border: 0;
  font-size: 12px;
}
.empty {
  grid-column: 1/-1;
  text-align: center;
  padding: 45px 0;
  color: var(--muted);
}
.empty h2 {
  color: var(--ink);
  font-family: serif;
  font-size: 22px;
}
.empty p {
  line-height: 1.9;
  font-size: 13px;
}
.book-outline {
  border: 1px solid var(--line);
  width: 75px;
  height: 100px;
  margin: auto;
  display: grid;
  place-items: center;
  font-family: serif;
  font-size: 32px;
  border-radius: 2px 8px 8px 2px;
}
#reader {
  position: fixed;
  inset: 0;
  overflow: auto;
  overscroll-behavior-y: contain;
  background: var(--reading-bg);
  color: var(--reading-color);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
#text {
  max-width: 850px;
  margin: auto;
  position: relative;
  padding: calc(28px + env(safe-area-inset-top))
    max(var(--reading-padding), env(safe-area-inset-right))
    calc(60px + env(safe-area-inset-bottom))
    max(var(--reading-padding), env(safe-area-inset-left));
  font-family: var(--reading-font, "Songti SC", "STSong", "PingFang SC", serif);
  font-size: var(--reading-size);
  line-height: var(--reading-leading);
  overflow-wrap: anywhere;
  user-select: text;
  -webkit-user-select: text;
  -webkit-touch-callout: default;
}
#text p {
  margin: 0 0 1.2em;
  text-indent: 2em;
  white-space: pre-wrap;
}
mark {
  background: #e0c263;
  color: #212121;
}
.reader-controls {
  position: fixed;
  left: 0;
  right: 0;
  background: var(--bg);
  z-index: 2;
  box-shadow: 0 0 20px #0002;
}
#reader-top {
  top: 0;
  padding: calc(8px + env(safe-area-inset-top))
    max(16px, env(safe-area-inset-right)) 8px
    max(16px, env(safe-area-inset-left));
  display: flex;
  gap: 10px;
  align-items: center;
}
#reader-top[hidden],
#reader-bottom[hidden] {
  display: none;
}
#book-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
}
#reader-top button {
  border: 0;
  padding: 8px;
}
#reader-bottom {
  bottom: 0;
  padding: 12px max(24px, env(safe-area-inset-right))
    calc(12px + env(safe-area-inset-bottom))
    max(24px, env(safe-area-inset-left));
}
.progress-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--muted);
}
.progress-label button {
  border: 0;
}
.reader-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.reader-actions button {
  flex: 1;
  font-size: 13px;
}
dialog {
  width: calc(100% - 24px);
  max-width: 550px;
  max-height: calc(
    100dvh - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 36px
  );
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
  color: var(--ink);
  overflow: auto;
}
dialog::backdrop {
  background: #0008;
}
dialog header {
  position: sticky;
  top: 0;
  background: var(--bg);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
  z-index: 1;
}
dialog header h2 {
  margin: 0;
}
#panel-body {
  padding: 6px 20px 24px;
}
#panel-body > button {
  margin: 8px 6px 8px 0;
}
.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.result {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  line-height: 1.8;
  overflow-wrap: anywhere;
}
.preview,
pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 12px;
  line-height: 1.8;
  max-height: 260px;
  overflow: auto;
}
.cache-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
  font-size: 13px;
}
.cache-row span {
  overflow-wrap: anywhere;
}
.cache-row button {
  flex-shrink: 0;
}
#toast {
  position: fixed;
  z-index: 10;
  left: 24px;
  right: 24px;
  bottom: calc(96px + env(safe-area-inset-bottom));
  background: var(--ink);
  color: var(--bg);
  padding: 14px 18px;
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.6;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: 0.2s;
}
#toast.show {
  opacity: 1;
  transform: translateY(0);
}
#update {
  position: fixed;
  z-index: 5;
  top: calc(10px + env(safe-area-inset-top));
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--on-accent);
  white-space: nowrap;
}
.stat-total {
  padding: 18px 0 30px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
}
.stat-total b {
  font-family: Georgia, serif;
  font-size: 68px;
  font-weight: 400;
  display: block;
}
.stat-total span {
  color: var(--muted);
  font-size: 13px;
}
.chart {
  display: flex;
  gap: 5px;
  height: 200px;
  align-items: flex-end;
  border-bottom: 1px solid var(--line);
}
.bar-col {
  flex: 1;
  min-width: 0;
  text-align: center;
  font-size: 9px;
  color: var(--muted);
}
.bar {
  background: var(--accent);
  margin: 6px 0 10px;
}
.bar-col small {
  font-size: 9px;
}
body[data-ui="light"] .cover {
  background: #e6eadc;
  color: #243c35;
  border-color: #d4d9cb;
}
body[data-ui="light"] .cover-imprint {
  border-color: #bbc5b1;
}
@media (min-width: 700px) {
  .shelf {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .tabs {
    justify-content: center;
  }
  .tabs button {
    max-width: 220px;
  }
}
@media (max-height: 450px) {
  #reader-bottom {
    padding-top: 0;
  }
  .reader-actions {
    display: none;
  }
  .page-header {
    padding-top: 12px;
  }
  dialog {
    max-height: 90dvh;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

.font-preview {
  padding: 16px;
  background: var(--panel);
  font-size: 22px;
  line-height: 1.8;
  border-radius: 6px;
}