/* The 科判 page (chuancheng/templates/wensi/kepan.html): one 本典's whole 科判
   as a foldable outline. Sits on wensi_work.css for the crumbs, the head and the
   chips (.kj-kind). The 层签 (甲二) carries the depth in its colour, so a reader
   who has opened six levels still sees at a glance which rows are siblings. */

.kp-source {
  color: #6b6b5a;
  font-size: 0.88em;
  margin: 6px 0 0;
}

.kp-source a {
  color: #4a7c59;
}

.kp-courses {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  margin: 0 0 14px;
}

.kp-coverage {
  color: #6b6b5a;
  font-size: 0.86em;
  margin: -6px 0 14px;
}

.kp-coverage a {
  color: #4a7c59;
}

.kp-courses__lead,
.kp-levels__lead {
  color: #6b6b5a;
  font-size: 0.86em;
}

/* The bar stays at the top while the tree scrolls: search, levels, and the
   path to the row at the top of the screen. */
.kp-bar {
  /* The page's own grey (the content shell is a translucent grey over white),
     so the bar reads as part of the page and still hides what scrolls under. */
  background-color: #e9e8e8;
  border-bottom: 1px solid #d8d4c8;
  margin: 0 -14px 10px;
  padding: 8px 14px;
  position: sticky;
  /* Under the site's sticky navbar; kepan-tree.js sets the real height. */
  top: 57px;
  z-index: 5;
}

/* The site bar has folded into its knob (navbar.js): leave the knob its corner. */
html.nav-folded .kp-bar {
  padding-right: 60px;
}

.kp-bar__tools {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.kp-search {
  align-items: center;
  background-color: #fff;
  border: 1px solid #d2c6ac;
  border-radius: 16px;
  display: flex;
  flex: 1 1 220px;
  gap: 6px;
  margin: 0;
  max-width: 360px;
  padding: 3px 10px;
}

.kp-search:focus-within {
  border-color: #4a7c59;
}

.kp-search i {
  color: #8c8c78;
  font-size: 0.85em;
}

.kp-search input {
  background: transparent;
  border: 0;
  flex: 1;
  font: inherit;
  font-size: 0.92em;
  min-width: 0;
  outline: none;
  padding: 2px 0;
}

.kp-search__count {
  color: #8c8c78;
  font-size: 0.82em;
  white-space: nowrap;
}

.kp-levels {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.kp-level {
  background-color: #fff;
  border: 1px solid #d2c6ac;
  border-radius: 12px;
  color: #4d4d3e;
  cursor: pointer;
  font: inherit;
  font-size: 0.86em;
  min-width: 2.4em;
  padding: 1px 9px;
}

.kp-level:hover {
  border-color: #4a7c59;
  color: #4a7c59;
}

.kp-level.is-on {
  background-color: #4a7c59;
  border-color: #4a7c59;
  color: #fff;
}

/* Hangs under the bar, over the tree, so showing it never changes the bar's
   height: a taller sticky bar pushes the page down, the browser scrolls to make
   up for it, and the path - painted on scroll - would come and go each frame. */
.kp-path {
  background-color: #e9e8e8;
  border-bottom: 1px solid #d8d4c8;
  color: #6b6b5a;
  font-size: 0.85em;
  left: 0;
  line-height: 1.6;
  overflow: hidden;
  padding: 2px 14px 4px;
  position: absolute;
  right: 0;
  top: 100%;
  white-space: nowrap;
}

.kp-path[hidden] {
  display: none;
}

.kp-path a {
  color: #4d4d3e;
  text-decoration: none;
}

.kp-path a:hover {
  color: #4a7c59;
}

.kp-path__sep {
  color: #b9b29c;
  margin: 0 4px;
}

/* The tree. Each level in by a little, with a hairline down the left so a long
   run of 丁 under one 丙 still reads as one family. */
.kp-tree,
.kp-tree ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.kp-tree ul {
  border-left: 1px solid #ebe5d3;
  margin-left: 0.55em;
  padding-left: 0.9em;
}

.kp-node > details > summary {
  cursor: pointer;
  list-style: none;
}

.kp-node > details > summary::-webkit-details-marker {
  display: none;
}

.kp-row {
  align-items: baseline;
  border-radius: 4px;
  display: flex;
  flex-wrap: wrap;
  gap: 2px 8px;
  line-height: 1.5;
  padding: 3px 6px 3px 18px;
  position: relative;
}

.kp-row:hover {
  background-color: #f6f5ec;
}

/* The twisty: a small triangle that turns when the 科 is open. Leaves get none,
   and keep the same left edge so labels line up. */
.kp-node > details > summary::before {
  border-color: transparent transparent transparent #9a917a;
  border-style: solid;
  border-width: 5px 0 5px 7px;
  content: "";
  left: 5px;
  position: absolute;
  top: 0.62em;
  transition: transform 0.12s ease;
}

.kp-node > details[open] > summary::before {
  transform: rotate(90deg);
}

/* A last 科 folds only its 原文: with 原文 off there is nothing under it, so it
   reads as a plain leaf. */
.kp-tree:not(.kp-tree--root) .kp-node--rooted > details > summary {
  cursor: default;
}

.kp-tree:not(.kp-tree--root) .kp-node--rooted > details > summary::before {
  display: none;
}

.kp-label {
  border-radius: 3px;
  color: #fff;
  flex: none;
  font-size: 0.8em;
  padding: 0 5px;
  white-space: nowrap;
}

.kp-label--1 {
  background-color: #7a1f1f;
}

.kp-label--2 {
  background-color: #4a7c59;
}

.kp-label--3 {
  background-color: #a0702a;
}

.kp-label--4 {
  background-color: #4f6d8a;
}

.kp-label--5 {
  background-color: #7d5a87;
}

.kp-label--6 {
  background-color: #6f7f5c;
}

/* 第七层起不再换色：底色淡下去，字用深色。 */
.kp-label:not(.kp-label--1, .kp-label--2, .kp-label--3, .kp-label--4, .kp-label--5, .kp-label--6) {
  background-color: #ece6d6;
  color: #5c5646;
}

.kp-title {
  color: #2f2f26;
  flex: 0 1 auto;
}

.kp-node[data-depth="0"] > details > summary .kp-title {
  color: #4e0d0d;
  font-weight: 600;
}

.kp-node[data-depth="1"] > details > summary .kp-title {
  font-weight: 600;
}

.kp-parted {
  color: #9a917a;
  font-size: 0.82em;
}

.kp-at {
  border: 1px solid #cfe0d3;
  border-radius: 10px;
  color: #4a7c59;
  font-size: 0.78em;
  margin-left: auto;
  padding: 0 8px;
  text-decoration: none;
  white-space: nowrap;
}

.kp-at:hover {
  background-color: #4a7c59;
  border-color: #4a7c59;
  color: #fff;
  text-decoration: none;
}

/* Search: rows that do not match and lead to no match are put away; the words
   that matched are marked. */
.kp-node.is-hidden {
  display: none;
}

.kp-title mark {
  background-color: #f7e3a1;
  border-radius: 2px;
  color: inherit;
  padding: 0;
}

/* Arrived by a link to one 科 (#k-…): light it for a moment. */
.kp-node.is-target > .kp-row,
.kp-node.is-target > details > summary {
  animation: kp-flash 2.4s ease-out;
}

@keyframes kp-flash {
  0%,
  40% {
    background-color: #f7e3a1;
  }

  100% {
    background-color: transparent;
  }
}

@media (max-width: 600px) {
  .kp-tree ul {
    margin-left: 0.3em;
    padding-left: 0.55em;
  }

  .kp-row {
    padding-right: 2px;
  }

  /* From the sixth level down a phone has no width left to give: stop stepping
     in. The 层签 and the path bar still say how deep a row is. */
  .kp-tree ul ul ul ul ul ul {
    border-left: 0;
    margin-left: 0;
    padding-left: 0.2em;
  }

  .kp-at {
    font-size: 0.72em;
    padding: 0 6px;
  }

  .kp-levels__lead {
    display: none;
  }
}

@media print {
  .kp-bar,
  .kp-courses,
  .wk-crumbs,
  .kp-at {
    display: none !important;
  }

  .kp-node > details > summary::before {
    display: none;
  }
}

/* 原文: the verses or 经论原文 a 科 covers, under its row. Off until the
   「原文」 button turns them on for the whole tree. */
.kp-root {
  display: none;
}

.kp-tree--root .kp-root {
  border-left: 2px solid #e2d6b8;
  color: #5a4a2c;
  display: block;
  font-family: "STKaiti", "KaiTi", "Kaiti SC", serif;
  /* 楷体比正文的黑体看着小一号；颂是要背的，再放大一点。 */
  font-size: 1.12em;
  line-height: 1.75;
  margin: 0 0 6px 24px;
  padding: 2px 0 2px 10px;
}

/* A 科 with parts of its own and a passage before them: folded under a small
   toggle, like a last 科's 原文. */
.kp-intro {
  display: none;
}

.kp-tree--root .kp-intro {
  display: block;
  margin: 2px 0 4px;
}

.kp-intro__toggle {
  color: #8a8a78;
  cursor: pointer;
  font-size: 0.82em;
  width: fit-content;
}

.kp-root p {
  margin: 0;
  max-width: 100%;
  width: fit-content;
}

/* 长行：原典本身是散文（《前行引导文》）。按段排、用正文字体，段首空两格；
   楷体是给颂的。 */
.kp-tree--root .kp-root--prose {
  font-family: inherit;
  font-size: 1em;
  line-height: 1.85;
}

.kp-root--prose p {
  text-align: justify;
  text-indent: 2em;
  width: auto;
}

.kp-root--prose p + p {
  margin-top: 6px;
}

.kp-modes {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 6px;
}

.kp-mode {
  background-color: #fff;
  border: 1px solid #d2c6ac;
  border-radius: 12px;
  color: #4d4d3e;
  cursor: pointer;
  font: inherit;
  font-size: 0.86em;
  padding: 1px 10px;
}

.kp-mode:hover {
  border-color: #7a1f1f;
  color: #7a1f1f;
}

.kp-mode[aria-pressed="true"] {
  background-color: #7a1f1f;
  border-color: #7a1f1f;
  color: #fff;
}

.kp-mode:disabled {
  cursor: default;
  opacity: 0.45;
}

/* ---- 背诵 ----
   Cards over the page: a dim backdrop, a box in the middle (the whole screen
   on a phone). Answers are covered by bars as long as the words, so the
   reader knows how much to find. */
html.kp-cards-open {
  overflow: hidden;
}

/* The deck's own palette: paper, soft ink and one calm 竹青 for what to press
   next - easy on the eyes through a long sitting of 科判, 颂词 or 长行. */
.kp-cards {
  --kc-paper: #fbf8f1;
  --kc-card: #fffefa;
  --kc-panel: #f3eee2;
  --kc-panel-hover: #e9e2d0;
  --kc-line: #ddd5c3;
  --kc-ink: #38362f;
  --kc-ink-soft: #6a6557;
  --kc-ink-faint: #9a9483;
  --kc-title: #5b4636;
  --kc-accent: #4e6e60;
  --kc-accent-tint: #edf2ee;
  --kc-accent-tint-hover: #e2ebe4;
  --kc-accent-line: #b8cbbf;
  --kc-accent-ink: #36544a;
  --kc-mask: #e9e3d4;
  --kc-miss: #a85d45;
  --kc-miss-line: #e2c2b4;
  align-items: center;
  background-color: rgba(40, 30, 15, 0.45);
  display: flex;
  inset: 0;
  justify-content: center;
  padding: 16px;
  position: fixed;
  z-index: 1100;
}

.kp-cards[hidden] {
  display: none;
}

.kp-cards__box {
  background-color: var(--kc-paper);
  border-radius: 14px;
  box-shadow: 0 10px 40px rgba(40, 30, 15, 0.3);
  display: flex;
  flex-direction: column;
  max-height: min(720px, 100%);
  max-width: 560px;
  overflow-y: auto;
  padding: 16px 20px 20px;
  width: 100%;
}

.kp-cards__box:focus {
  outline: none;
}

/* The browser's blue ring clashes with the paper: a 竹青 one, keys only. */
.kp-cards button:focus,
.kp-cards select:focus,
.kp-cards summary:focus {
  outline: none;
}

.kp-cards button:focus-visible,
.kp-cards select:focus-visible,
.kp-cards summary:focus-visible {
  outline: 2px solid var(--kc-accent);
  outline-offset: 2px;
}

.kp-cards__top {
  align-items: center;
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}

.kp-cards__keyhint[aria-expanded="true"] {
  background-color: var(--kc-panel);
  color: var(--kc-title);
}

.kp-cards__keys-help {
  background-color: var(--kc-panel);
  border-radius: 10px;
  display: grid;
  font-size: 0.86em;
  gap: 4px 14px;
  grid-template-columns: auto 1fr;
  margin: 0 0 12px;
  padding: 10px 14px;
}

.kp-cards__keys-help[hidden] {
  display: none;
}

.kp-cards__keys-help dt {
  color: var(--kc-title);
  font-weight: 600;
  white-space: nowrap;
}

.kp-cards__keys-help dd {
  color: var(--kc-ink);
  margin: 0;
}

/* No keyboard to speak of on a touch screen: no icon, no table. */
@media (hover: none) {
  .kp-cards__keyhint,
  .kp-cards__keys-help {
    display: none !important;
  }
}

.kp-cards__home {
  background-color: var(--kc-panel);
  border: 0;
  border-radius: 8px;
  color: var(--kc-ink);
  cursor: pointer;
  flex: none;
  font: inherit;
  font-size: 0.86em;
  padding: 3px 9px;
}

.kp-cards__home:hover {
  background-color: var(--kc-panel-hover);
}

.kp-cards__home[hidden] {
  display: none;
}

.kp-cards__title {
  color: var(--kc-title);
  flex: 1;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kp-cards__count {
  color: var(--kc-ink-soft);
  font-size: 0.88em;
}

.kp-cards__close {
  background: transparent;
  border: 0;
  border-radius: 50%;
  color: var(--kc-ink-soft);
  cursor: pointer;
  font-size: 1.15em;
  height: 36px;
  width: 36px;
}

.kp-cards__close:hover {
  background-color: var(--kc-panel);
}

.kp-cards__pick > * + *,
.kp-cards__card > * + *,
.kp-cards__done > * + * {
  margin-top: 12px;
}

/* 背科判 / 背颂词: two big choices with a line saying what each asks. */
.kp-cards__what {
  display: grid;
  gap: 8px;
  grid-auto-columns: 1fr;
  grid-auto-flow: column;
}

.kp-seg {
  background-color: var(--kc-card);
  border: 1px solid var(--kc-line);
  border-radius: 10px;
  color: var(--kc-ink);
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  padding: 8px 10px;
}

.kp-seg small {
  display: block;
  font-size: 0.78em;
  font-weight: 400;
  opacity: 0.8;
}

.kp-seg[aria-pressed="true"] {
  background-color: var(--kc-accent-tint);
  border-color: var(--kc-accent);
  color: var(--kc-accent-ink);
}

.kp-cards__resume {
  background-color: #eef4ef;
  border: 1px solid #b9d0be;
  border-radius: 10px;
  color: #2f5a3b;
  cursor: pointer;
  display: block;
  font: inherit;
  padding: 10px 12px;
  text-align: left;
  width: 100%;
}

.kp-cards__resume--review {
  background-color: #fbefec;
  border-color: var(--kc-miss-line);
  color: #9a3a26;
}

/* 接着背: the one big button most readers need. */
.kp-cards__next {
  background-color: var(--kc-accent-tint);
  border: 1px solid var(--kc-accent-line);
  border-radius: 12px;
  color: var(--kc-accent-ink);
  cursor: pointer;
  display: block;
  font: inherit;
  padding: 12px 14px;
  text-align: left;
  width: 100%;
}

.kp-cards__next:hover {
  background-color: var(--kc-accent-tint-hover);
  border-color: var(--kc-accent);
}

.kp-cards__next-main {
  display: block;
  font-size: 1.15em;
  font-weight: 600;
}

.kp-cards__next small {
  color: var(--kc-ink-soft);
}

.kp-cards__progress {
  align-items: center;
  color: var(--kc-ink-soft);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.84em;
  gap: 4px 10px;
}

.kp-cards__progress .kp-cards__meter {
  flex: 1;
  min-width: 60px;
}

.kp-cards__size {
  margin-left: auto;
  white-space: nowrap;
}

.kp-cards__size button {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--kc-ink-soft);
  cursor: pointer;
  font: inherit;
  padding: 0 5px;
}

.kp-cards__size button[aria-pressed="true"] {
  border-color: var(--kc-line);
  color: var(--kc-ink);
  font-weight: 600;
}

.kp-cards__lesson[hidden] {
  display: none;
}

.kp-cards__lesson-filter {
  background-color: var(--kc-card);
  border: 1px solid var(--kc-line);
  border-radius: 8px;
  box-sizing: border-box;
  color: var(--kc-ink);
  display: block;
  font: inherit;
  padding: 4px 8px;
  width: 7.5em;
}

.kp-cards__lesson-filter[hidden] {
  display: none;
}

/* 按课背: one square per lesson, ten to a row; a long course scrolls inside. */
.kp-lessons {
  display: grid;
  gap: 6px;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  max-height: 13.5em;
  overflow-y: auto;
  padding: 2px;
}

.kp-lesson {
  background-color: var(--kc-card);
  border: 1px solid var(--kc-line);
  border-radius: 6px;
  color: var(--kc-ink);
  cursor: pointer;
  font: inherit;
  font-size: 0.9em;
  font-variant-numeric: tabular-nums;
  padding: 6px 0;
  text-align: center;
}

.kp-lesson[hidden] {
  display: none;
}

.kp-lesson:hover,
.kp-lesson:focus-visible {
  background-color: var(--kc-accent-tint-hover);
  border-color: var(--kc-accent-line);
  color: var(--kc-accent-ink);
}

/* The lesson recited last time. */
.kp-lesson.is-last {
  background-color: var(--kc-accent-tint);
  border-color: var(--kc-accent);
  color: var(--kc-accent-ink);
  font-weight: 600;
}

.kp-cards__more > summary {
  color: var(--kc-accent);
  cursor: pointer;
  font-weight: 600;
}

.kp-cards__more[open] > summary {
  margin-bottom: 8px;
}

.kp-cards__more > * + * {
  margin-top: 8px;
}

/* 挑一段来背: the tree, folded; ▸ opens a 科, its name recites it. */
.kp-cards__sections,
.kp-sec__kids {
  list-style: none;
  margin: 0;
  padding: 0;
}

.kp-sec__kids {
  border-left: 1px solid var(--kc-line);
  margin-left: 11px;
  padding-left: 6px;
}

.kp-sec {
  align-items: flex-start;
  display: flex;
  flex-wrap: wrap;
}

.kp-sec__fold {
  background: transparent;
  border: 0;
  color: var(--kc-ink-soft);
  cursor: pointer;
  flex: none;
  font-size: 1.05em;
  height: 1.9em;
  padding: 0;
  width: 22px;
}

button.kp-sec__fold::before {
  content: "▸";
  display: inline-block;
  transition: transform 0.15s ease;
}

button.kp-sec__fold[aria-expanded="true"]::before {
  transform: rotate(90deg);
}

.kp-sec__go {
  background: transparent;
  border: 0;
  border-radius: 6px;
  color: var(--kc-ink);
  cursor: pointer;
  flex: 1;
  font: inherit;
  line-height: 1.5;
  min-width: 0;
  padding: 4px 6px;
  text-align: left;
}

.kp-sec__go:hover,
.kp-sec__go:focus-visible {
  background-color: var(--kc-accent-tint-hover);
}

.kp-sec__go .kp-label {
  margin-right: 6px;
}

.kp-sec__go small {
  color: var(--kc-ink-faint);
  font-size: 0.8em;
  margin-left: 8px;
  white-space: nowrap;
}

.kp-sec__go em {
  color: var(--kc-miss);
  font-style: normal;
}

.kp-sec__kids {
  flex-basis: 100%;
}

/* The 科 picked: the button under the tree recites it. */
.kp-sec__go[aria-pressed="true"] {
  background-color: var(--kc-accent-tint);
  box-shadow: inset 0 0 0 1px var(--kc-accent-line);
  color: var(--kc-accent-ink);
}

.kp-sec__go:focus {
  outline: none;
}

.kp-sec__go:focus-visible {
  outline: 2px solid var(--kc-accent-line);
}

/* 背 › beside the 科 picked. */
.kp-sec__start {
  align-self: center;
  background-color: var(--kc-accent);
  border: 0;
  border-radius: 999px;
  color: #fff;
  cursor: pointer;
  flex: none;
  font: inherit;
  font-size: 0.86em;
  margin-left: 6px;
  padding: 3px 12px;
}

.kp-sec__start:hover {
  background-color: var(--kc-accent-ink);
}

.kp-sec--whole {
  margin-bottom: 4px;
}

.kp-sec__all {
  background: transparent;
  border: 0;
  color: var(--kc-accent);
  cursor: pointer;
  font: inherit;
  font-size: 0.9em;
  padding: 2px 4px 2px 22px;
}

.kp-sec__all:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.kp-sec--none {
  color: var(--kc-ink-faint);
}

/* ---- a card ---- */
.kp-cards__meter {
  background-color: var(--kc-mask);
  border-radius: 2px;
  height: 4px;
  overflow: hidden;
}

.kp-cards__meter span {
  background-color: var(--kc-accent);
  display: block;
  height: 100%;
  transition: width 0.2s ease;
}

.kp-cards__path {
  color: var(--kc-ink-faint);
  font-size: 0.84em;
  margin-bottom: 0;
}

.kp-cards__ask {
  font-size: 1.3em;
  line-height: 1.5;
}

.kp-cards__ask .kp-label {
  font-size: 0.7em;
  vertical-align: 0.15em;
}

.kp-cards__q {
  color: var(--kc-ink-soft);
  font-size: 0.72em;
  margin: 4px 0 0;
}

.kp-cards__answer {
  display: grid;
  gap: 6px;
  list-style: none;
  margin-bottom: 0;
  padding: 0;
}

.kp-slot {
  align-items: baseline;
  background-color: var(--kc-card);
  border: 1px dashed var(--kc-line);
  border-radius: 10px;
  color: var(--kc-ink);
  cursor: pointer;
  display: flex;
  font: inherit;
  font-size: 1.12em;
  gap: 10px;
  min-height: 46px;
  padding: 8px 12px;
  text-align: left;
  width: 100%;
}

.kp-slot.is-open {
  border-style: solid;
  cursor: default;
}

.kp-slot__label {
  color: var(--kc-ink-faint);
  flex: none;
  font-size: 0.8em;
}

.kp-cards__answer--verse .kp-slot {
  font-family: "STKaiti", "KaiTi", "Kaiti SC", serif;
  font-size: 1.22em;
}

.kp-mask {
  background-color: var(--kc-mask);
  border-radius: 3px;
  color: transparent;
  user-select: none;
}

.kp-cards__tip {
  color: var(--kc-ink-faint);
  font-size: 0.84em;
  margin-bottom: 0;
}

.kp-cards__keys {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr 1.6fr;
}

.kp-cards__keys[hidden] {
  display: none;
}

.kp-key {
  background-color: var(--kc-card);
  border: 1px solid var(--kc-line);
  border-radius: 12px;
  color: var(--kc-ink);
  cursor: pointer;
  font: inherit;
  font-size: 1.02em;
  min-height: 50px;
  padding: 6px 10px;
}

.kp-key kbd {
  color: var(--kc-ink-faint);
  font-family: inherit;
  font-size: 0.72em;
  margin-left: 6px;
}

.kp-key--main,
.kp-key--ok {
  background-color: var(--kc-accent-tint);
  border-color: var(--kc-accent-line);
  color: var(--kc-accent-ink);
  font-weight: 600;
}

.kp-key--main:hover,
.kp-key--ok:hover {
  background-color: var(--kc-accent-tint-hover);
  border-color: var(--kc-accent);
}

.kp-key--miss {
  border-color: var(--kc-miss-line);
  color: var(--kc-miss);
}

.kp-key[hidden] {
  display: none;
}

.kp-cards__back {
  background: transparent;
  border: 0;
  color: var(--kc-ink-soft);
  cursor: pointer;
  font: inherit;
  font-size: 0.86em;
  justify-self: start;
  padding: 2px 0;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.kp-cards__nav {
  display: flex;
  justify-content: space-between;
}

.kp-cards__skip {
  margin-left: auto;
}

.kp-cards__more-round {
  width: 100%;
}

.kp-cards__summary {
  font-size: 1.08em;
  line-height: 1.8;
}

/* A phone has no keys to press, and the cards take the whole screen. */
@media (hover: none), (max-width: 640px) {
  .kp-key kbd {
    display: none;
  }
}

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

  .kp-cards__box {
    border-radius: 0;
    height: 100%;
    max-height: none;
    max-width: none;
    padding: 12px 16px calc(16px + env(safe-area-inset-bottom));
  }

  /* The keys stay at the foot, under the thumb. */
  .kp-cards__card {
    display: flex;
    flex: 1;
    flex-direction: column;
  }

  .kp-cards__card[hidden] {
    display: none;
  }

  .kp-cards__card .kp-cards__keys {
    margin-top: auto;
    padding-top: 12px;
  }
}

@media print {
  .kp-cards {
    display: none !important;
  }
}