/* Tokens and rules match honghao.me (agate/agate.github.io, src/styles/global.css). */
:root {
  --ground: #fafafa;
  --ink: #171717;
  --soft: #3a3a3a;
  --muted: #8f8f8f;
  --faint: #bdbdbd;
  --rule: #ebebeb;
  --seal: #c0392b;

  --en-head: 'Instrument Serif', Georgia, serif;
  --en-body: 'Inter', system-ui, sans-serif;
  --zh-head: 'LXGW WenKai', 'Kaiti SC', 'STKaiti', serif;
  --zh-body: 'Inter', 'LXGW WenKai', 'Kaiti SC', 'STKaiti', serif;
  --mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  /* The poem text has its own font, chosen by the reader (see FONTS in app.js). */
  --poem: 'Huiwen-mincho', 'LXGW WenKai', 'Songti SC', serif;

  --head: var(--en-head);
  --body: var(--en-body);
  --bar: 64px;
}

html[data-lang='zh'] {
  --head: var(--zh-head);
  --body: var(--zh-body);
}

/* Every bilingual string is rendered twice; only the active language shows. */
html[data-lang='en'] [lang='zh'],
html[data-lang='zh'] [lang='en'] {
  display: none !important;
}

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

html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration-color: var(--faint);
  text-underline-offset: 3px;
}

button {
  font: inherit;
  color: inherit;
  touch-action: manipulation;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 48px;
}

.mono {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.tag {
  display: inline-block;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 0 8px;
  line-height: 18px;
  color: var(--ink);
  white-space: nowrap;
}

.tag.dash {
  border-style: dashed;
  border-color: var(--faint);
  color: var(--muted);
}

/* Nav */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--rule);
  padding: 18px 0 10px;
  margin-bottom: 40px;
}

nav a {
  text-decoration: none;
}

nav .home {
  color: var(--ink);
}

.links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.links a {
  padding: 10px 0;
}

.toggle {
  display: inline-flex;
  border: 1px solid var(--ink);
  border-radius: 999px;
  overflow: hidden;
}

.toggle button {
  all: unset;
  cursor: pointer;
  padding: 6px 12px;
  font: 11px var(--mono);
  color: var(--ink);
}

.toggle button[aria-pressed='true'] {
  background: var(--ink);
  color: var(--ground);
}

.toggle button:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: -4px;
}

/* Headings and numbered sections */
h1 {
  font-family: var(--head);
  font-weight: 400;
  font-size: 54px;
  line-height: 1.08;
  margin: 8px 0 14px;
}

html[data-lang='zh'] h1 {
  font-size: 38px;
  line-height: 1.35;
}

h2 {
  font-family: var(--head);
  font-weight: 400;
  font-size: 30px;
  margin: 0 0 14px;
}

html[data-lang='zh'] h2 {
  font-size: 23px;
}

.lede {
  font-size: 18px;
  color: var(--soft);
  max-width: 560px;
  margin: 0;
}

html[data-lang='zh'] .lede {
  font-size: 16px;
  line-height: 1.9;
}

.sec {
  display: grid;
  grid-template-columns: 48px 1fr;
  border-top: 1px solid var(--rule);
  padding: 26px 0 34px;
  scroll-margin-top: 12px;
}

.sec > div {
  min-width: 0;
}

.num {
  padding-top: 9px;
}

.prose {
  font-size: 17px;
  line-height: 1.75;
  color: var(--soft);
}

html[data-lang='zh'] .prose {
  font-size: 16px;
  line-height: 1.95;
}

.prose p {
  margin: 0 0 14px;
}

/* Home: search */
.search {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--ground);
  padding: 10px 0 12px;
  margin: 20px 0 8px;
}

.search label {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 0 6px 0 18px;
  background: #fff;
}

.search input {
  all: unset;
  flex: 1;
  min-width: 0;
  height: 48px;
  font: 17px var(--body);
  color: var(--ink);
}

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

.search .clear {
  all: unset;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  text-align: center;
  line-height: 40px;
  font: 18px var(--mono);
  color: var(--muted);
}

.search .clear[hidden] {
  display: none;
}

.search .hint {
  margin: 8px 4px 0;
}

.results {
  margin: 0 0 28px;
}

.results .none {
  padding: 18px 4px;
  color: var(--soft);
}

/* Poem lists (home list and search results) */
.list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.list li {
  border-bottom: 1px dotted var(--faint);
}

.list a {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 2px 8px;
  padding: 12px 0;
  min-height: 56px;
  text-decoration: none;
}

.list .rk {
  grid-row: span 2;
  padding-top: 4px;
}

.list .tt {
  font-family: var(--zh-head);
  font-size: 18px;
  line-height: 1.4;
}

.list .tt small {
  font-family: var(--zh-body);
  font-size: 13px;
  color: var(--muted);
  margin-left: 6px;
}

.list .fl {
  font-family: var(--poem);
  font-size: 15px;
  color: var(--soft);
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.list mark {
  background: none;
  color: var(--seal);
}

.list .pending {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  margin-left: 6px;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 8px;
  margin: 0 0 14px;
}

.tabs button {
  all: unset;
  cursor: pointer;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 14px;
}

.tabs button[aria-selected='true'] {
  background: var(--ink);
  color: var(--ground);
}

/* Index page */
.ix-hero {
  padding-bottom: 0;
}

.ix-search {
  position: relative;
  margin-bottom: 0;
}

.suggest {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  z-index: 6;
  list-style: none;
  margin: -4px 0 0;
  padding: 4px 0;
  background: #fff;
  border: 1px solid var(--ink);
  border-radius: 14px;
}

.suggest[hidden] {
  display: none;
}

.suggest li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 10px 18px;
  cursor: pointer;
}

.suggest li b {
  font-family: var(--zh-head);
  font-weight: 400;
  font-size: 17px;
}

.suggest li[aria-selected='true'],
.suggest li[role='option']:hover {
  background: var(--rule);
}

.suggest .none {
  color: var(--muted);
  cursor: default;
}

.chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 0 14px;
  scrollbar-width: none;
}

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

.chip {
  all: unset;
  flex: none;
  cursor: pointer;
  border: 1px solid var(--faint);
  border-radius: 999px;
  padding: 6px 12px;
  font-family: var(--zh-head);
  font-size: 15px;
}

.chip .mono {
  margin-left: 6px;
}

.chip[aria-pressed='true'] {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--ground);
}

.chip[aria-pressed='true'] .mono {
  color: var(--faint);
}

.chip.more {
  border-color: var(--ink);
  font-family: var(--body);
  font-size: 14px;
}

.ix-status {
  margin: 0 0 8px;
}

/* Letter bar: stays at the top while the list scrolls under it. */
.letters {
  position: sticky;
  top: 0;
  z-index: 4;
  display: flex;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
  background: var(--ground);
  border-bottom: 1px solid var(--rule);
  padding: 6px 0;
}

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

.letters a {
  flex: none;
  min-width: 28px;
  padding: 6px 0;
  text-align: center;
  text-decoration: none;
  color: var(--ink);
}

.ix-group {
  scroll-margin-top: 48px;
}

.ix-group h3 {
  margin: 22px 0 4px;
  font-size: 13px;
  font-weight: 400;
  color: var(--seal);
}

.ix-tune h4 {
  margin: 14px 0 0;
  font-family: var(--zh-head);
  font-weight: 400;
  font-size: 19px;
}

.ix-tune h4 .mono {
  margin-left: 8px;
}

.list.ix a {
  grid-template-columns: 1fr;
  min-height: 0;
  padding: 10px 0;
}

.ix-tune .list.ix {
  border-top: none;
  margin-left: 16px;
}

/* All-poets sheet */
.poets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px 8px;
}

.poets h3 {
  grid-column: 1 / -1;
  margin: 14px 0 2px;
  font-size: 12px;
  font-weight: 400;
  color: var(--seal);
}

.poets button {
  all: unset;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 8px 6px;
  border-radius: 8px;
  font-family: var(--zh-head);
  font-size: 16px;
}

.poets button[aria-pressed='true'] {
  background: var(--ink);
  color: var(--ground);
}

/* Home: daily poem */
.daily {
  display: block;
  text-decoration: none;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 22px 0 20px;
  text-align: center;
}

.daily .why {
  margin-bottom: 12px;
}

.daily .dt {
  font-family: var(--poem);
  font-size: 24px;
  margin: 0;
}

.daily .da {
  color: var(--soft);
  font-size: 14px;
  margin: 2px 0 14px;
}

.daily .dl {
  font-family: var(--poem);
  font-size: 21px;
  line-height: 1.9;
  margin: 0;
}

.daily .go {
  margin-top: 14px;
}

/* Home: progress */
.progress {
  height: 10px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  overflow: hidden;
  margin: 10px 0 8px;
  background: #fff;
}

.progress span {
  display: block;
  height: 100%;
  background: var(--ink);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-left: 1px solid var(--rule);
  border-top: 1px solid var(--rule);
  margin-top: 16px;
}

.stats div {
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 12px 12px 14px;
}

.stats b {
  display: block;
  font-family: var(--head);
  font-weight: 400;
  font-size: 26px;
  line-height: 1.2;
}

/* Poem page */
.poem {
  text-align: center;
  padding: 8px 0 30px;
  --size: 28px;
}

.poem h1 {
  font-family: var(--poem);
  font-size: calc(var(--size) + 6px);
  line-height: 1.3;
  margin: 0;
}

html[data-lang='zh'] .poem h1 {
  font-size: calc(var(--size) + 6px);
}

.poem .by {
  margin: 6px 0 4px;
  color: var(--soft);
  font-size: 15px;
}

.poem .by .mono {
  margin-left: 6px;
}

/* Title characters sit closer than poem characters, and a long title wraps between any two. */
.poem h1 .c {
  width: 1.15em;
}

.poem h1.nm {
  line-break: anywhere;
}

/* The poet name is small: its pinyin sits in the flow, so each character is as wide as its
   pinyin and they never overlap. The room is kept while pinyin is hidden, so nothing moves. */
.poem .by .nm {
  font-size: 14px;
}

.poem .by .c {
  width: auto;
  padding-top: 0;
  margin: 0 0.1em;
}

.poem .by .c i {
  display: block;
  position: static;
  transform: none;
  font-size: 9px;
  line-height: 12px;
}

.poem .en-title {
  margin: 0 0 22px;
}

.lines {
  font-family: var(--poem);
  font-size: var(--size);
  line-height: 1;
}

.ln {
  margin: 0 0 6px;
  white-space: nowrap;
}

.ln.brk {
  margin-top: 26px;
}

/* One character: pinyin space reserved above it so revealing pinyin never moves the text. */
.c {
  position: relative;
  display: inline-block;
  width: 1.32em;
  padding-top: 20px;
  user-select: none;
  -webkit-user-select: none;
}

.c i {
  position: absolute;
  top: 2px;
  left: 50%;
  transform: translateX(-50%);
  font: 12px/16px var(--en-body);
  font-style: normal;
  letter-spacing: -0.01em;
  color: var(--seal);
  white-space: nowrap;
  visibility: hidden;
}

html.py-all .c i {
  visibility: visible;
}

.c.gl,
.c.rd {
  cursor: pointer;
}

.c b {
  display: block;
  font-weight: 400;
  padding-bottom: 6px;
  border-bottom: 1px dotted transparent;
}

.c.gl b {
  border-bottom-color: var(--faint);
}

.c.rd b {
  border-bottom-color: var(--seal);
}

.ln.speaking .c b {
  color: var(--seal);
}

.tap-hint {
  margin: 18px 0 0;
}

.note {
  margin: 18px auto 0;
  max-width: 520px;
  text-align: left;
  color: var(--soft);
  font-size: 14px;
  line-height: 1.75;
  border-left: 2px solid var(--rule);
  padding-left: 12px;
}

/* Translation */
.tr {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tr li {
  padding: 10px 0 12px;
  border-bottom: 1px dotted var(--faint);
}

.tr .o {
  font-family: var(--poem);
  font-size: 18px;
  display: block;
  margin-bottom: 2px;
}

.tr li > span:not(.o) {
  color: var(--soft);
}

.tr li.brk {
  border-top: 1px solid var(--ink);
}

/* Glossary */
.gloss {
  margin: 0;
}

.gloss div {
  padding: 8px 0 10px;
  border-bottom: 1px dotted var(--faint);
}

.gloss dt {
  font-family: var(--poem);
  font-size: 18px;
}

.gloss dt .mono {
  margin-left: 6px;
}

.gloss dd {
  margin: 2px 0 0;
  color: var(--soft);
}

/* Prev / next */
.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  border-top: 1px solid var(--rule);
  padding: 18px 0 8px;
}

.pager a {
  display: block;
  text-decoration: none;
  padding: 10px 0;
  min-height: 56px;
}

.pager a:last-child {
  text-align: right;
}

.pager b {
  display: block;
  font-family: var(--zh-head);
  font-weight: 400;
  font-size: 17px;
}

/* Bottom toolbar: thumb reach on phones */
.bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10;
  background: var(--ground);
  border-top: 1px solid var(--ink);
  padding-bottom: env(safe-area-inset-bottom);
}

.bar .in {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 720px;
  margin: 0 auto;
}

.bar button {
  all: unset;
  cursor: pointer;
  height: var(--bar);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 14px;
  border-right: 1px solid var(--rule);
}

.bar button:last-child {
  border-right: 0;
}

.bar button .mono {
  font-size: 10px;
}

.bar button[aria-pressed='true'] {
  background: var(--ink);
  color: var(--ground);
}

.bar button[aria-pressed='true'] .mono {
  color: var(--faint);
}

/* A toggle's second line says what tapping it will do. */
.bar button[aria-pressed='true'] .if-off,
.bar button[aria-pressed='false'] .if-on {
  display: none;
}

.bar button:disabled {
  color: var(--faint);
  cursor: default;
}

body.has-bar {
  padding-bottom: calc(var(--bar) + env(safe-area-inset-bottom));
}

/* Bottom sheet */
.sheet {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: none;
}

.sheet.open {
  display: block;
}

.sheet .shade {
  position: absolute;
  inset: 0;
  background: #17171740;
}

.sheet .panel {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  max-height: 72vh;
  overflow-y: auto;
  background: var(--ground);
  border-top: 1px solid var(--ink);
  padding: 8px 16px calc(20px + env(safe-area-inset-bottom));
}

.sheet .panel > .in {
  max-width: 688px;
  margin: 0 auto;
}

.sheet .top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

/* Menus have no ×: tapping the shade closes them, and sub-pages have a Back link. */
.sheet.no-close .close {
  display: none;
}

.sheet .close {
  all: unset;
  cursor: pointer;
  width: 44px;
  height: 44px;
  text-align: center;
  line-height: 44px;
  font: 20px var(--mono);
}

.sheet .word {
  font-family: var(--poem);
  font-size: 34px;
  line-height: 1.2;
}

.sheet .word .mono {
  font-size: 14px;
  color: var(--seal);
  margin-left: 10px;
}

.sheet p {
  margin: 8px 0 0;
  color: var(--soft);
  line-height: 1.8;
}

.fonts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 6px;
}

.fonts button {
  all: unset;
  cursor: pointer;
  border: 1px solid var(--rule);
  padding: 10px 12px;
  min-height: 56px;
}

.fonts button[aria-pressed='true'] {
  border-color: var(--ink);
  outline: 1px solid var(--ink);
}

.fonts .s {
  display: block;
  font-size: 24px;
  line-height: 1.3;
}

.fonts .n {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

/* Settings menu: one row per setting. */
.menu {
  display: grid;
  border-top: 1px solid var(--rule);
}

.menu button {
  all: unset;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 12px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--rule);
}

.menu b {
  font-weight: 500;
  font-size: 16px;
}

.menu .now {
  color: var(--muted);
  font-size: 14px;
  text-align: right;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.menu .go {
  font: 18px var(--mono);
  color: var(--muted);
}

.sheet .back {
  all: unset;
  cursor: pointer;
  display: inline-block;
  padding: 6px 0 10px;
  font-size: 14px;
  color: var(--soft);
}

.voices {
  display: grid;
  gap: 8px;
  margin-top: 6px;
}

.voices button {
  all: unset;
  cursor: pointer;
  display: grid;
  gap: 2px;
  border: 1px solid var(--rule);
  padding: 10px 12px;
}

.voices button[aria-pressed='true'] {
  border-color: var(--ink);
  outline: 1px solid var(--ink);
}

.voices b {
  font-weight: 500;
  font-size: 16px;
}

.voices p {
  margin: 4px 0 0;
  line-height: 1.6;
}

/* Footer */
.foot {
  border-top: 1px solid var(--rule);
  padding: 12px 0 40px;
  line-height: 2;
}

.foot a {
  text-decoration: none;
}

@media (max-width: 640px) {
  .wrap {
    padding: 0 16px;
  }

  nav {
    margin-bottom: 24px;
  }

  h1 {
    font-size: 40px;
  }

  html[data-lang='zh'] h1 {
    font-size: 30px;
  }

  .sec {
    grid-template-columns: 1fr;
    padding: 22px 0 28px;
  }

  .num {
    padding-top: 0;
    margin-bottom: 2px;
  }

  .stats b {
    font-size: 22px;
  }
}

@media (hover: hover) {
  .list a:hover .tt,
  .pager a:hover b {
    text-decoration: underline;
    text-decoration-color: var(--faint);
  }
}