/* LeetCode offline clone stylesheet.
 *
 * Every colour, size, radius and weight below is taken from the computed-style
 * and geometry fields of the Playwright evidence snapshots, or measured off the
 * captured rasters. Nothing is loaded from a remote origin: no webfont, no
 * image host, no icon CDN. Icons are inline SVG in the templates.
 *
 * Layout order: tokens, resets, marketing chrome, home, application chrome,
 * problem set, workspace, account pages, member pages, boundary pages.
 */

/* --------------------------------------------------------------------- */
/* tokens                                                                */
/* --------------------------------------------------------------------- */

:root {
  /* Font stacks exactly as the two captured body styles report them. */
  --font-app: -apple-system, "system-ui", "Segoe UI", Helvetica, Arial, sans-serif,
    "Apple Color Emoji", "Segoe UI Emoji";
  --font-marketing: -apple-system, "system-ui", "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial,
    sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  --font-mono: "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;

  --ink: rgb(38, 38, 38);
  --ink-strong: rgb(26, 26, 26);
  --ink-muted: rgba(38, 38, 38, 0.75);
  --ink-soft: rgba(0, 0, 0, 0.55);
  --ink-faint: rgba(60, 60, 67, 0.6);
  --line: rgba(0, 0, 0, 0.08);
  --field-line: rgba(0, 0, 0, 0.06);
  --surface: #ffffff;
  --surface-sunk: rgba(0, 0, 0, 0.04);
  --surface-tint: rgba(0, 0, 0, 0.02);
  --surface-chip: rgba(0, 10, 32, 0.05);

  --blue: rgb(0, 123, 255);
  --blue-link: rgb(24, 144, 255);
  --blue-icon: rgb(26, 144, 255);
  --brand-orange: rgb(255, 161, 22);
  --teal: rgb(29, 160, 156);
  --easy: rgb(28, 186, 186);
  --medium: rgb(255, 184, 0);
  --hard: rgb(246, 54, 54);
  --green: rgb(1, 179, 40);

  --radius-field: 8px;
  --radius-round: 9999px;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-app);
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  background: var(--surface);
  /* The clone never lets the document itself scroll sideways; panes that the
     source scrolls internally keep their own overflow. */
  overflow-x: hidden;
}

body.page--marketing {
  font-family: var(--font-marketing);
  color: rgba(0, 0, 0, 0.65);
  background: rgb(247, 249, 252);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

img,
svg {
  max-width: 100%;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.inline-form {
  display: inline;
  margin: 0;
}

.main {
  display: block;
}

.caret {
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 5px;
  vertical-align: 2px;
  border: 4px solid transparent;
  border-top-color: currentColor;
}

.caret--double {
  transform: none;
  border: 0;
  width: 9px;
  height: 9px;
  margin-left: 4px;
  border-right: 1.4px solid currentColor;
  border-bottom: 1.4px solid currentColor;
  rotate: 45deg;
  translate: 0 -3px;
}

.chev {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 6px;
  vertical-align: 1px;
  border-top: 1.4px solid currentColor;
  border-right: 1.4px solid currentColor;
  rotate: 45deg;
}

.pill {
  display: inline-block;
  padding: 0 8px;
  border-radius: var(--radius-round);
  font-size: 12px;
  line-height: 22px;
  background: rgba(0, 0, 0, 0.06);
}

.pill--easy {
  color: var(--easy);
  background: rgba(28, 186, 186, 0.12);
}

.pill--medium {
  color: rgb(191, 138, 0);
  background: rgba(255, 184, 0, 0.16);
}

.pill--hard {
  color: var(--hard);
  background: rgba(246, 54, 54, 0.12);
}

.field-error {
  margin: -4px 0 8px;
  font-size: 13px;
  color: var(--hard);
}

/* --------------------------------------------------------------------- */
/* marketing chrome + home                                               */
/* --------------------------------------------------------------------- */

.mk-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 5;
  height: 82px;
}

.mk-header__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 1440px;
  height: 82px;
  margin: 0 auto;
  padding: 0 24px;
}

.mk-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
  padding-left: 136px;
}

.mk-brand__word {
  font-size: 26px;
  font-weight: 500;
  letter-spacing: 0.2px;
  color: #ffffff;
}

.mk-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.mk-nav__link {
  padding: 8px 12px;
  font-size: 15px;
  font-weight: 300;
  line-height: 22.5px;
  color: #ffffff;
  background: none;
  border: 0;
}

.mk-nav__link:hover {
  color: var(--brand-orange);
}

.mk-nav__link--premium {
  color: var(--brand-orange);
}

.mk-header__end {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-left: 24px;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 560px;
  padding: 132px 24px 90px;
  color: #ffffff;
  background: linear-gradient(112deg, #35404a 0%, #2d3239 42%, #26282c 100%);
}

.hero__wedge {
  position: absolute;
  inset: auto -10% -30% -10%;
  height: 62%;
  background: rgb(247, 249, 252);
  transform: rotate(-6deg);
  transform-origin: left bottom;
}

.hero__art {
  position: absolute;
  top: 96px;
  left: 96px;
  width: 470px;
  max-width: 42vw;
}

.hero__art svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 24px 46px rgba(0, 0, 0, 0.35));
}

.hero__text {
  position: relative;
  width: 520px;
  max-width: 100%;
  margin-left: auto;
  margin-right: 185px;
  text-align: center;
}

.hero__title {
  margin: 0 0 26px;
  font-size: 40px;
  font-weight: 500;
  line-height: 44px;
  color: #ffffff;
}

.hero__lead {
  margin: 0 0 28px;
  font-size: 15px;
  font-weight: 300;
  line-height: 29px;
  color: rgba(255, 255, 255, 0.75);
}

.pill-button {
  display: inline-block;
  padding: 6px 12px;
  font-size: 15px;
  font-weight: 300;
  line-height: 21.4286px;
  color: #ffffff;
  background: var(--teal);
  border: 1px solid transparent;
  border-radius: 1020px;
}

.pill-button:hover {
  background: rgb(24, 139, 136);
}

.mk-heading {
  margin: 0 0 20px;
  font-size: 22px;
  font-weight: 500;
  line-height: 33px;
}

.mk-heading--center {
  text-align: center;
}

.mk-heading--teal { color: var(--teal); }
.mk-heading--blue { color: rgb(37, 154, 243); }
.mk-heading--gold { color: rgb(183, 137, 43); }
.mk-heading--red { color: rgb(198, 40, 40); }

.mk-body {
  margin: 0 0 26px;
  font-size: 14px;
  font-weight: 300;
  line-height: 29px;
  color: rgba(0, 0, 0, 0.45);
}

.mk-body--center {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
}

.mk-cta a {
  font-size: 14px;
  line-height: 21px;
  color: var(--blue-link);
}

.mk-cta--center { text-align: center; }
.mk-cta--tight { margin: 12px 0 0; }

.chev--link {
  width: 5px;
  height: 5px;
  vertical-align: 2px;
}

.hex {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  color: var(--teal);
}

.hex--blue { color: rgb(37, 154, 243); }
.hex--green { color: rgb(139, 195, 74); }
.hex--yellow { color: rgb(255, 193, 7); }
.hex--gold { color: rgb(183, 137, 43); }
.hex--grey { color: rgb(158, 158, 158); }
.hex--red { color: rgb(211, 47, 47); }
.hex--lg { margin-bottom: 12px; }

.hex-row {
  display: flex;
  gap: 4px;
  margin-bottom: 18px;
}

.hex-row .hex + .hex { margin-left: -8px; }

.heart {
  display: inline-block;
  width: 15px;
  height: 15px;
  margin: 0 3px;
  background: rgb(211, 47, 47);
  clip-path: path("M7.5 14C3 10.6 0 8.3 0 5.2 0 2.9 1.8 1 4 1c1.4 0 2.7.7 3.5 1.8C8.3 1.7 9.6 1 11 1c2.2 0 4 1.9 4 4.2 0 3.1-3 5.4-7.5 8.8Z");
}

.mk-explore {
  display: grid;
  grid-template-columns: 520px 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1110px;
  margin: 0 auto;
  padding: 90px 24px 40px;
}

.mk-explore__text { text-align: right; }
.mk-explore__text .mk-heading { text-align: right; }
.mk-explore__art svg { width: 100%; height: auto; }

.mk-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  max-width: 1110px;
  margin: 0 auto;
  padding: 80px 24px;
  border-top: 0;
}

.mk-duo__col + .mk-duo__col {
  padding-left: 100px;
  border-left: 1px solid rgba(0, 0, 0, 0.08);
  margin-left: -100px;
}

.mk-developer,
.mk-sf,
.mk-hiring {
  max-width: 1000px;
  margin: 0 auto;
  padding: 70px 24px;
  text-align: center;
}

.mk-hiring {
  padding-top: 30px;
  padding-bottom: 90px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  max-width: 780px;
}

.mk-playground {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 20px;
  margin-top: 34px;
  text-align: left;
}

.mk-playground__code {
  min-height: 190px;
  margin: 0;
  padding: 18px 20px;
  overflow: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 20px;
  color: var(--ink);
  background: #ffffff;
  border-radius: 4px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.mk-playground__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.mk-playground__item {
  display: block;
  width: 100%;
  padding: 8px 12px;
  font-size: 14px;
  text-align: left;
  color: var(--blue-link);
  background: none;
  border: 0;
}

.mk-playground__item.is-active {
  color: var(--teal);
  background: #ffffff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.mk-playground__glyph {
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.mk-playground__select { display: none; }

.mk-footer {
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 26px 150px 34px;
  font-size: 14px;
  font-weight: 300;
  color: rgb(128, 128, 128);
}

.mk-footer__copy { margin: 0 auto 0 0; }

.mk-footer__nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mk-footer__nav a,
.mk-footer__region a {
  color: rgb(55, 55, 55);
}

.mk-footer__bar { color: rgba(0, 0, 0, 0.2); }

.mk-footer__phone {
  display: inline-block;
  width: 8px;
  height: 12px;
  margin-right: 6px;
  vertical-align: -1px;
  border: 1.2px solid currentColor;
  border-radius: 2px;
}

.mk-footer__region { margin: 0 0 0 24px; }

.flag { vertical-align: -2px; border-radius: 2px; }

/* --------------------------------------------------------------------- */
/* application chrome                                                    */
/* --------------------------------------------------------------------- */

.ap-header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 50px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.ap-header__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 50px;
  padding: 0 24px;
}

.ap-header__burger {
  display: none;
  flex-direction: column;
  gap: 4px;
  width: 30px;
  padding: 6px 4px;
  background: none;
  border: 0;
}

.ap-header__burger span {
  display: block;
  height: 1.6px;
  background: var(--ink);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: none;
}

.brand__word {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.1px;
  color: var(--ink);
}

.ap-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-right: auto;
}

.ap-nav__link {
  font-size: 16px;
  color: var(--ink-soft);
}

.ap-nav__link:hover { color: var(--ink-strong); }

.ap-nav__link.is-active {
  font-weight: 500;
  color: var(--ink-strong);
}

.ap-nav__link--store { color: var(--brand-orange); }

.ap-navmenu { position: relative; }
.ap-navmenu > summary { cursor: pointer; list-style: none; }
.ap-navmenu > summary::-webkit-details-marker { display: none; }
.ap-navmenu[open] > summary { color: var(--ink-strong); }
.ap-navmenu__panel {
  position: absolute;
  z-index: 40;
  top: calc(100% + 15px);
  left: -18px;
  width: 280px;
  padding: 10px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
}
.ap-navmenu__panel--end { left: auto; right: -18px; }
.ap-navmenu__panel a { display: grid; gap: 2px; padding: 10px 12px; border-radius: 6px; }
.ap-navmenu__panel a:hover { background: var(--surface-sunk); }
.ap-navmenu__panel strong { font-size: 14px; font-weight: 500; }
.ap-navmenu__panel span { font-size: 12px; color: var(--ink-muted); }

.ap-nav__student {
  display: inline-flex;
  align-items: center;
  padding: 0 8px;
}

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

.ap-search {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 12px;
  color: rgb(115, 115, 115);
  background: var(--surface-sunk);
  border-radius: var(--radius-round);
}

.ap-search input {
  width: 96px;
  padding: 0;
  font-size: 14px;
  color: var(--ink);
  background: none;
  border: 0;
  outline: none;
}

.ap-search input::placeholder { color: rgb(115, 115, 115); }

.ap-header__icon {
  display: none;
  padding: 6px;
  color: var(--ink);
  background: none;
  border: 0;
}

.ap-header__link,
.ap-header__member {
  font-size: 14px;
  color: var(--ink-soft);
}

.ap-header__member { font-weight: 500; color: var(--ink-strong); }

.ap-header__button {
  padding: 0;
  background: none;
  border: 0;
}

.ap-header__or { font-size: 14px; color: var(--ink-soft); }

.ap-header__premium {
  padding: 4px 12px;
  font-size: 14px;
  color: var(--ink);
  background: rgba(255, 161, 22, 0.16);
  border-radius: var(--radius-field);
}

.ap-footer {
  margin: 16px;
  padding: 20px;
  font-size: 14px;
  color: var(--ink-muted);
  border-radius: var(--radius-field);
}

.ap-footer--grey { background: rgb(240, 240, 240); }
.ap-footer--white { background: var(--surface); border-top: 1px solid var(--line); }

.ap-footer__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.ap-footer__links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin: 0 auto;
}

.ap-footer__region { display: inline-flex; align-items: center; gap: 6px; }

/* --------------------------------------------------------------------- */
/* problem set                                                           */
/* --------------------------------------------------------------------- */

.ps {
  display: grid;
  grid-template-columns: 240px minmax(0, 865px) 270px;
  gap: 34px;
  align-items: start;
  max-width: 1440px;
  margin: 0 auto;
  padding: 16px 16px 40px;
}

.ps__rail { position: sticky; top: 66px; }

.ps-rail__toggle,
.lc-rail__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin: 0 8px 10px auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
}
.ps-rail__toggle:hover,
.lc-rail__toggle:hover { background: var(--surface-sunk); }
.ps.is-rail-collapsed { grid-template-columns: 58px minmax(0, 865px) 270px; }
.ps.is-rail-collapsed .ps-lib__label,
.ps.is-rail-collapsed .ps-rule,
.ps.is-rail-collapsed .ps-rail__note,
.ps.is-rail-collapsed .ps-rail__progress,
.ps.is-rail-collapsed .ps-rail__bar,
.ps.is-rail-collapsed .ps-rail__link,
.ps.is-rail-collapsed .ps-rail__signin { display: none; }
.ps.is-rail-collapsed .ps-lib__link { justify-content: center; }

.ps-lib {
  margin: 0;
  padding: 0;
  list-style: none;
}

.ps-lib__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 8px;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  border-radius: 5px;
}

.ps-lib__link:hover { background: var(--surface-sunk); }
.ps-lib__link.is-active { background: rgba(0, 0, 0, 0.03); }

.ps-lib__icon { display: inline-flex; color: rgba(38, 38, 38, 0.8); }

.ps-rule {
  margin: 16px 8px;
  border: 0;
  border-top: 1px solid var(--line);
}

.ps-rail__note {
  margin: 0 8px 14px;
  font-size: 14px;
  color: var(--ink-muted);
  text-align: center;
}

.ps-rail__progress { margin: 0 8px 6px; font-size: 13px; color: var(--ink-muted); }

.ps-rail__bar {
  height: 6px;
  margin: 0 8px 10px;
  overflow: hidden;
  background: var(--surface-sunk);
  border-radius: var(--radius-round);
}

.ps-rail__bar span { display: block; height: 100%; background: var(--easy); }

.ps-rail__link { display: block; margin: 0 8px; font-size: 13px; color: var(--blue); }

.ps-rail__signin {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 93px;
  height: 32px;
  margin: 0 auto;
  padding: 6px 12px;
  font-size: 14px;
  font-weight: 500;
  color: #ffffff;
  background: var(--ink-strong);
  border-radius: var(--radius-round);
}

.ps-rail__avatar { display: inline-flex; }

.ps__main { min-width: 0; }

.ps-promos {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.ps-promos::-webkit-scrollbar { display: none; }

.ps-promo {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 0 0 270px;
  height: 135px;
  padding: 20px;
  color: #ffffff;
  border-radius: var(--radius-field);
}

.ps-promo--dark { background: linear-gradient(135deg, #0b1220, #17233a); }
.ps-promo--green { background: linear-gradient(135deg, #0e5c46, #157a52); }
.ps-promo--purple { background: linear-gradient(135deg, #6c3ce0, #8a5cf6); }
.ps-promo--blue { background: linear-gradient(135deg, #0f5ea8, #1a7fd4); }

.ps-promo__logo { margin-bottom: 8px; }
.ps-promo__title { font-size: 17px; font-weight: 600; line-height: 22px; }
.ps-promo__sub { margin-top: 4px; font-size: 13px; opacity: 0.85; }

.ps-topics {
  position: relative;
  margin: 32px 0 0;
  padding-right: 96px;
}

.ps-topics__list {
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  list-style: none;
  height: 21px;
}

.ps-topics.is-expanded .ps-topics__list {
  flex-wrap: wrap;
  height: auto;
  row-gap: 12px;
}

.ps-topic {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  font-size: 14px;
  color: var(--ink);
}

.ps-topic:hover { color: var(--blue); }

.ps-topic.is-active {
  color: var(--blue);
  font-weight: 500;
}

.ps-topic__count {
  padding: 0 6px;
  font-size: 12px;
  color: var(--ink-faint);
  background: var(--surface-chip);
  border-radius: var(--radius-round);
}

.ps-topics__expand {
  position: absolute;
  top: 0;
  right: 0;
  padding: 0;
  font-size: 14px;
  color: var(--ink-muted);
  background: none;
  border: 0;
}

.ps-tabs {
  display: flex;
  gap: 12px;
  margin: 32px 0 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.ps-tabs::-webkit-scrollbar { display: none; }

.ps-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: none;
  height: 40px;
  padding: 0 18px;
  font-size: 14px;
  color: var(--ink);
  background: var(--surface-sunk);
  border-radius: var(--radius-round);
}

.ps-tab.is-active {
  color: #ffffff;
  background: var(--ink-strong);
}

.ps-tab__icon {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 1.4px solid currentColor;
  border-radius: 3px;
  opacity: 0.7;
}

.ps-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 32px 0 0;
}

.ps-search {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: 202px;
  height: 32px;
  padding: 0 12px;
  color: var(--ink-faint);
  background: var(--surface-sunk);
  border-radius: var(--radius-round);
}

.ps-search input {
  width: 100%;
  padding: 0;
  font-size: 14px;
  color: var(--ink-strong);
  background: none;
  border: 0;
  outline: none;
}

.ps-round {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 32px;
  height: 32px;
  color: var(--blue-icon);
  background: var(--surface-sunk);
  border-radius: var(--radius-round);
  list-style: none;
  cursor: pointer;
}

.ps-round::-webkit-details-marker { display: none; }
.ps-round--plain { color: var(--ink-strong); background: none; }
.ps-round.is-set { background: rgba(26, 144, 255, 0.14); }

.ps-round__dot {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 6px;
  height: 6px;
  background: var(--hard);
  border-radius: var(--radius-round);
}

.ps-pop { position: relative; }

.ps-pop__panel {
  position: absolute;
  z-index: 20;
  top: 40px;
  left: 0;
  width: 260px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-field);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.ps-pop__panel--wide { width: 340px; }

.ps-pop__title {
  margin: 8px 0 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.ps-pop__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ps-pop__list--row { flex-direction: row; flex-wrap: wrap; gap: 6px; }

.ps-pop__item {
  display: inline-block;
  padding: 4px 10px;
  font-size: 13px;
  color: var(--ink);
  border-radius: var(--radius-round);
}

.ps-pop__item:hover { background: var(--surface-sunk); }

.ps-pop__item.is-active {
  color: #ffffff;
  background: var(--ink-strong);
}

.ps-pop__reset { margin: 12px 0 2px; font-size: 13px; }
.ps-pop__reset a { color: var(--blue); }

.ps-apply {
  height: 32px;
  padding: 0 14px;
  color: #ffffff;
  background: var(--ink-strong);
  border: 0;
  border-radius: var(--radius-round);
}

.ps-solved {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 0 auto;
  font-size: 14px;
  color: var(--ink);
}

.ps-solved__ring {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 1.6px solid rgba(0, 0, 0, 0.18);
  border-radius: var(--radius-round);
}

.ps-summary {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--ink-muted);
}

.ps-summary a { margin-left: 8px; color: var(--blue); }

.ps-rows {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.ps-row { border-radius: var(--radius-field); }
.ps-row--tint { background: var(--surface-tint); }
.ps-row:hover { background: rgba(0, 0, 0, 0.045); }

.ps-row__link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 72px 60px 56px;
  align-items: center;
  gap: 12px;
  height: 44px;
  padding: 0 16px;
  font-size: 14px;
  color: var(--ink);
}

.ps-row__lead {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.ps-row__title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ps-row__daily { display: inline-flex; color: var(--blue-icon); }

.status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
}

.status--solved { color: var(--green); }
.status--attempted { color: var(--medium); }

.ps-row__acceptance {
  text-align: right;
  color: rgba(38, 38, 38, 0.65);
}

.ps-row__difficulty { text-align: left; }
.ps-row__difficulty--easy { color: var(--easy); }
.ps-row__difficulty--medium { color: var(--medium); }
.ps-row__difficulty--hard { color: var(--hard); }

.ps-row__frequency { text-align: right; }

.freq-lock {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  color: rgba(0, 0, 0, 0.22);
}

.freq-lock__bar {
  display: inline-block;
  width: 2px;
  height: 10px;
  background: currentColor;
  border-radius: 1px;
}

.ps-empty {
  padding: 48px 16px;
  text-align: center;
  color: var(--ink-muted);
}

.ps-empty__title { margin: 0 0 8px; font-size: 16px; font-weight: 600; color: var(--ink); }

.ps-empty__reset {
  display: inline-block;
  margin-top: 12px;
  padding: 6px 14px;
  color: #ffffff;
  background: var(--ink-strong);
  border-radius: var(--radius-round);
}

.ps-pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 28px 0 0;
}

.ps-pager__step,
.ps-pager__page {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 10px;
  font-size: 14px;
  color: var(--ink-muted);
  background: var(--surface-chip);
  border-radius: 5px;
}

.ps-pager__page.is-current {
  color: var(--ink);
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line);
}

.ps-pager__step.is-disabled { opacity: 0.4; }

.ps__aside { position: sticky; top: 66px; display: grid; gap: 20px; }

.ps-card {
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.ps-calendar__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 10px;
}

.ps-calendar__day { margin: 0; font-size: 15px; font-weight: 600; }

.ps-calendar__left {
  margin-left: 8px;
  font-size: 12px;
  font-weight: 400;
  color: var(--ink-faint);
}

.ps-calendar__nav { display: flex; gap: 10px; color: var(--ink-faint); }

.ps-calendar__grid {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
}

.ps-calendar__grid th {
  padding: 6px 0;
  font-size: 12px;
  font-weight: 400;
  color: var(--ink-faint);
}

.ps-calendar__grid td { padding: 2px 0; }

.ps-calendar__cell {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  font-size: 12px;
  color: var(--ink-muted);
  border-radius: var(--radius-round);
}

.ps-calendar__cell.is-today {
  color: #ffffff;
  background: rgb(44, 187, 93);
}

.ps-weekly { background: rgb(255, 250, 240); border-color: rgba(255, 161, 22, 0.28); }

.ps-weekly__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
}

.ps-weekly__title { font-size: 14px; font-weight: 600; color: rgb(179, 116, 0); }
.ps-weekly__left { font-size: 12px; color: rgba(179, 116, 0, 0.7); }

.ps-weekly__slots {
  display: flex;
  justify-content: space-between;
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
}

.ps-weekly__slot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 12px;
  color: rgba(179, 116, 0, 0.45);
  border-radius: var(--radius-round);
}

.ps-weekly__slot.is-active { color: #ffffff; background: var(--brand-orange); }

.ps-weekly__foot {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-muted);
}

.ps-weekly__foot a { color: var(--blue); }
.ps-weekly__rules { margin-left: auto; }
.ps-weekly__coins { font-weight: 600; }

.ps-companies__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.ps-companies__head h2 { margin: 0; font-size: 15px; font-weight: 600; }

.ps-companies__nav button {
  width: 26px;
  height: 26px;
  color: var(--ink-muted);
  background: var(--surface-sunk);
  border: 0;
  border-radius: 6px;
}

.ps-companies__search {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  margin-bottom: 12px;
  padding: 0 12px;
  color: var(--ink-faint);
  background: var(--surface-sunk);
  border-radius: var(--radius-field);
}

.ps-companies__search input {
  width: 100%;
  background: none;
  border: 0;
  outline: none;
  font-size: 13px;
}

.ps-companies__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ps-company {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  font-size: 13px;
  color: var(--ink);
  background: var(--surface-sunk);
  border-radius: var(--radius-round);
}

.ps-company__count {
  padding: 0 6px;
  font-size: 11px;
  color: #ffffff;
  background: var(--brand-orange);
  border-radius: var(--radius-round);
}

/* --------------------------------------------------------------------- */
/* workspace                                                             */
/* --------------------------------------------------------------------- */

body.page--workbench { background: rgb(240, 240, 240); }

.wb {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.wb-bar {
  display: flex;
  align-items: center;
  flex: none;
  gap: 8px;
  height: 48px;
  padding: 0 10px;
}

.wb-bar__left,
.wb-bar__right {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1 1 0;
  min-width: 0;
}

.wb-bar__right { justify-content: flex-end; gap: 12px; }

.wb-bar__center {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: none;
}

.wb-bar__list {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 8px;
  color: rgb(119, 119, 119);
}

.wb-bar__list-icon { display: inline-flex; }

.wb-bar__step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 18px;
  color: rgb(119, 119, 119);
  border-radius: 6px;
}

.wb-bar__step:hover { background: rgba(0, 0, 0, 0.05); }

.wb-run,
.wb-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 32px;
  background: var(--surface-chip);
  border: 0;
  border-radius: 6px;
}

.wb-run { width: 32px; color: var(--ink-strong); }

.wb-submit {
  padding: 0 12px;
  font-weight: 500;
  color: var(--green);
}

.wb-run:hover,
.wb-submit:hover { background: rgba(0, 10, 32, 0.09); }

.wb-bar__timer {
  font-size: 14px;
  color: rgb(115, 115, 115);
}

.wb-bar__link,
.wb-bar__member {
  font-size: 14px;
  color: var(--ink-soft);
  background: none;
  border: 0;
  padding: 0;
}

.wb-bar__member { font-weight: 500; color: var(--ink-strong); }
.wb-bar__or { font-size: 14px; color: var(--ink-soft); }

.wb-bar__premium {
  padding: 4px 12px;
  font-size: 14px;
  color: var(--ink);
  background: rgba(255, 161, 22, 0.16);
  border-radius: var(--radius-field);
}

.wb-split {
  display: flex;
  gap: 6px;
  flex: 1 1 auto;
  min-height: 0;
  padding: 0 8px 8px;
}

.wb-pane {
  display: flex;
  flex-direction: column;
  flex: 1 1 0;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: var(--surface);
  border-radius: var(--radius-field);
}

.wb-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: none;
  height: 40px;
  padding: 0 8px;
  overflow-x: auto;
  background: rgba(0, 0, 0, 0.02);
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}

.wb-tabs::-webkit-scrollbar { display: none; }

.wb-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: none;
  padding: 0 10px;
  font-size: 14px;
  color: var(--ink-muted);
}

.wb-tab.is-active { font-weight: 500; color: var(--ink-strong); }

.wb-tab__icon {
  display: inline-block;
  width: 13px;
  height: 13px;
  border: 1.4px solid currentColor;
  border-radius: 2px;
  opacity: 0.75;
}

.wb-tab--description .wb-tab__icon { color: rgb(38, 132, 255); }
.wb-tab--editorial .wb-tab__icon { color: rgb(255, 161, 22); }
.wb-tab--solutions .wb-tab__icon { color: rgb(44, 187, 93); }
.wb-tab--submissions .wb-tab__icon { color: rgb(155, 111, 255); }

.wb-pane__scroll {
  flex: 1 1 auto;
  min-height: 0;
  padding: 16px 26px 24px;
  overflow: auto;
}

.wb-title {
  margin: 6px 0 16px;
  font-size: 24px;
  font-weight: 600;
  line-height: 28px;
  color: var(--ink-strong);
}

.wb-chips {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.wb-chip {
  display: inline-block;
  font-size: 12px;
  color: var(--ink-soft);
}

.wb-chip > summary {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  list-style: none;
  background: rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-round);
  cursor: pointer;
}

.wb-chip > summary::-webkit-details-marker { display: none; }

.wb-chip--locked {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  color: rgb(191, 138, 0);
  background: rgba(255, 184, 0, 0.16);
  border-radius: var(--radius-round);
}

.wb-chip__icon { display: inline-flex; }

.wb-taglist {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.wb-tag {
  display: inline-block;
  padding: 4px 8px;
  font-size: 12px;
  color: var(--ink-soft);
  background: rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-round);
}

.wb-tag--muted { opacity: 0.6; }

.wb-hints {
  margin: 10px 0 0;
  padding-left: 18px;
  font-size: 14px;
  color: var(--ink-muted);
}

.wb-hints li { margin-bottom: 10px; }
.wb-hints__label { display: block; font-weight: 600; color: var(--ink); }

.wb-statement { font-size: 14px; line-height: 24px; color: var(--ink); }
.wb-statement p { margin: 0 0 16px; }
.wb-statement__head { margin-top: 24px; }

.wb-statement--absent {
  padding: 16px 18px;
  color: var(--ink-muted);
  background: rgba(0, 0, 0, 0.02);
  border-left: 3px solid rgba(0, 0, 0, 0.12);
  border-radius: 0 6px 6px 0;
}

.wb-statement--absent a { color: var(--blue); }

.wb-example__title { margin: 24px 0 8px !important; }

.wb-example {
  margin: 0 0 8px;
  padding: 8px 0 8px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 22px;
  white-space: pre-wrap;
  border-left: 3px solid rgba(0, 0, 0, 0.1);
}

.wb-example strong { font-family: var(--font-app); }

.wb-constraints { margin: 0 0 16px; padding-left: 20px; }
.wb-constraints code {
  padding: 1px 4px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 4px;
}

.wb-followup { margin: 24px 0 0; }

.wb-stats {
  display: flex;
  gap: 40px;
  margin: 28px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.wb-stats dt { font-size: 12px; color: var(--ink-faint); }
.wb-stats dd { margin: 2px 0 0; font-size: 14px; font-weight: 500; }

.wb-h2 { margin: 28px 0 12px; font-size: 16px; font-weight: 600; }
.wb-h3 { margin: 20px 0 8px; font-size: 14px; font-weight: 600; }

.wb-similar ul { margin: 0; padding: 0; list-style: none; }

.wb-similar li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  font-size: 14px;
  font-weight: 500;
}

.wb-similar a { color: var(--ink); }
.wb-similar a:hover { color: var(--blue); }
.wb-similar__plain { color: var(--ink-faint); font-weight: 400; }
.wb-similar__difficulty { margin-left: auto; font-size: 13px; font-weight: 400; }
.wb-similar__difficulty--easy { color: var(--easy); }
.wb-similar__difficulty--medium { color: var(--medium); }
.wb-similar__difficulty--hard { color: var(--hard); }

/* Discussion section on the Description tab, from two-sum-desktop. */
.wb-discussion { margin-top: 8px; }

.wb-discussion__compose {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  font-size: 13px;
  color: var(--ink-faint);
  background: rgba(0, 0, 0, 0.03);
  border-radius: 6px;
}

.wb-discussion__type {
  padding: 4px 10px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-round);
}

.wb-discussion__field { flex: 1; }

.wb-discussion__rules {
  margin-top: 12px;
  padding: 12px 14px;
  font-size: 13px;
  line-height: 20px;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.wb-discussion__rules-title { margin: 0 0 8px; font-weight: 600; }
.wb-discussion__rules ol { margin: 0; padding-left: 20px; }
.wb-discussion__rules li + li { margin-top: 6px; }

.wb-code {
  margin: 0 0 16px;
  padding: 14px 16px;
  overflow: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 20px;
  background: rgba(0, 0, 0, 0.03);
  border-radius: 6px;
}

.wb-solutions { margin: 0; padding: 0; list-style: none; }
.wb-solutions li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.wb-solutions__title { margin: 0; font-size: 14px; font-weight: 500; }
.wb-solutions__meta { margin: 4px 0 0; font-size: 13px; color: var(--ink-faint); }

.wb-submissions { width: 100%; border-collapse: collapse; font-size: 13px; }
.wb-submissions th,
.wb-submissions td { padding: 9px 8px; text-align: left; border-bottom: 1px solid var(--line); }
.wb-submissions th { font-weight: 500; color: var(--ink-faint); }

.wb-muted { font-size: 14px; color: var(--ink-faint); }
.wb-muted a { color: var(--blue); }

.wb-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: none;
  padding: 8px 14px;
  background: rgba(0, 0, 0, 0.02);
  border-top: 1px solid var(--line);
}

.wb-actions__button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  background: none;
  border: 0;
  border-radius: 6px;
}

.wb-actions__button:hover { background: rgba(0, 0, 0, 0.05); }

.wb-editor {
  display: flex;
  flex-direction: column;
  min-height: 0;
  height: 100%;
  margin: 0;
}

.wb-editor__head {
  display: flex;
  align-items: center;
  flex: none;
  height: 40px;
  padding: 0 16px;
  font-size: 14px;
  font-weight: 500;
  background: rgba(0, 0, 0, 0.02);
  border-bottom: 1px solid var(--line);
}

.wb-editor__glyph { color: rgb(44, 187, 93); font-family: var(--font-mono); }

.wb-editor__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
  height: 40px;
  padding: 0 16px;
}

.wb-editor__lang select {
  padding: 2px 6px;
  font-size: 14px;
  color: var(--ink-soft);
  background: none;
  border: 0;
  border-radius: 5px;
  outline: none;
}

.wb-editor__auto {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--ink-soft);
}

.wb-editor__dot {
  display: inline-block;
  width: 4px;
  height: 4px;
  background: currentColor;
  border-radius: var(--radius-round);
}

.wb-editor__body {
  display: flex;
  flex: 1 1 auto;
  min-height: 160px;
  overflow: auto;
  border-top: 1px solid var(--line);
}

.wb-gutter {
  flex: none;
  margin: 0;
  padding: 10px 8px 10px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 20px;
  text-align: right;
  color: rgba(0, 0, 0, 0.32);
  user-select: none;
}

.wb-code-input {
  flex: 1 1 auto;
  min-height: 100%;
  padding: 10px 14px 10px 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 20px;
  color: var(--ink-strong);
  background: none;
  border: 0;
  outline: none;
  resize: none;
  white-space: pre;
  overflow-wrap: normal;
}

.wb-editor__status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: none;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--ink-faint);
}

.wb-notice {
  flex: none;
  margin: 0;
  padding: 10px 16px;
  font-size: 14px;
  text-align: center;
  color: var(--ink);
  background: rgb(232, 244, 253);
}

.wb-notice a { font-weight: 500; color: rgb(0, 122, 255); }

.wb-console {
  display: flex;
  flex-direction: column;
  flex: none;
  max-height: 46%;
  min-height: 120px;
  border-top: 1px solid var(--line);
}

.wb-console__tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: none;
  height: 40px;
  padding: 0 12px;
}

.wb-console__tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  font-size: 14px;
  color: var(--ink-muted);
  background: none;
  border: 0;
  border-radius: 6px;
}

.wb-console__tab.is-active { font-weight: 500; color: var(--ink-strong); }

.wb-console__icon {
  display: inline-block;
  width: 13px;
  height: 13px;
  border: 1.4px solid currentColor;
  border-radius: 2px;
}

.wb-console__icon--case { color: rgb(44, 187, 93); }
.wb-console__icon--result { color: rgb(115, 115, 115); }

.wb-console__panel {
  flex: 1 1 auto;
  min-height: 0;
  padding: 4px 16px 16px;
  overflow: auto;
}

.is-hidden { display: none !important; }

.wb-cases { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }

.wb-case {
  height: 29px;
  padding: 4px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  background: none;
  border: 0;
  border-radius: var(--radius-field);
}

.wb-case.is-active { color: var(--ink); background: var(--surface-chip); }

.wb-case-field { display: block; margin-bottom: 12px; }

.wb-case-field__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-muted);
}

.wb-case-field textarea {
  width: 100%;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 20px;
  color: var(--ink-strong);
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid transparent;
  border-radius: var(--radius-field);
  outline: none;
  resize: vertical;
}

.wb-case-field textarea:focus { border-color: rgba(26, 144, 255, 0.5); }

.wb-result { font-size: 14px; }

.wb-result__headline {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 8px 0 12px;
}

.verdict { font-size: 18px; font-weight: 600; }
.verdict--accepted { color: var(--green); }
.verdict--wrong-answer,
.verdict--compile-error,
.verdict--runtime-error,
.verdict--not-available { color: var(--hard); }

.wb-result__count { font-size: 13px; color: var(--ink-faint); }
.wb-result__message { margin: 0 0 12px; color: var(--ink-muted); }

.wb-result__stats { display: flex; gap: 32px; margin: 0 0 16px; }
.wb-result__stats dt { font-size: 12px; color: var(--ink-faint); }
.wb-result__stats dd { margin: 2px 0 0; font-weight: 500; }

.wb-result__cases { margin: 0; padding: 0; list-style: none; }

.wb-result__case {
  padding: 10px 12px;
  margin-bottom: 8px;
  background: rgba(0, 0, 0, 0.02);
  border-radius: 6px;
}

.wb-result__case.is-failed { background: rgba(246, 54, 54, 0.06); }
.wb-result__case-title { margin: 0 0 8px; font-weight: 500; }
.wb-result__case dl { margin: 0; }
.wb-result__case dt { font-size: 12px; color: var(--ink-faint); }

.wb-result__case dd { margin: 2px 0 8px; }

.wb-result__case pre {
  margin: 0;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  white-space: pre-wrap;
  background: rgba(0, 0, 0, 0.04);
  border-radius: 5px;
}

/* --------------------------------------------------------------------- */
/* account pages                                                         */
/* --------------------------------------------------------------------- */

body.page--auth { background: rgb(240, 240, 240); }

.auth {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 145px);
  padding: 40px 16px;
}

.auth--top { align-items: flex-start; padding-top: 40px; }

.auth__card {
  width: 382px;
  max-width: 100%;
  padding: 24px;
  text-align: center;
  background: var(--surface);
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.auth__brand {
  display: block;
  margin: 12px 0 24px;
}

.auth__word {
  display: block;
  margin-top: 6px;
  font-size: 21px;
  font-weight: 500;
  letter-spacing: 0.4px;
  color: var(--ink-strong);
}

.auth__form { margin: 0; }

.auth__field { display: block; margin-bottom: 20px; }

.auth__field input {
  width: 100%;
  height: 36px;
  padding: 4px 12px;
  font-size: 14px;
  color: var(--ink-strong);
  background: none;
  border: 1px solid var(--field-line);
  border-radius: var(--radius-field);
  outline: none;
}

.auth__field input::placeholder { color: rgba(0, 0, 0, 0.4); }
.auth__field input:focus { border-color: rgba(0, 123, 255, 0.55); }

.verify {
  margin-bottom: 20px;
  padding: 12px 14px;
  text-align: left;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 4px;
  background: rgb(250, 250, 250);
}

.verify__row { display: flex; align-items: center; gap: 12px; }

.verify__box {
  width: 22px;
  height: 22px;
  accent-color: var(--blue);
}

.verify__label { font-size: 14px; color: var(--ink); }

.verify__brand {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 6px;
}

.verify__wordmark {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: rgba(0, 0, 0, 0.45);
}

.verify__links { font-size: 10px; color: rgba(0, 0, 0, 0.35); }

.auth__submit {
  width: 100%;
  height: 36px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: rgb(250, 250, 250);
  background: var(--ink-strong);
  border: 0;
  border-radius: var(--radius-field);
}

.auth__submit:hover { background: rgb(48, 48, 48); }

.auth__fine {
  margin: 22px 0 0;
  font-size: 14px;
  color: var(--ink-muted);
}

.auth__fine a { color: var(--blue); }

.auth__row {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
  font-size: 14px;
}

.auth__row--center { justify-content: center; gap: 8px; color: var(--ink-muted); }
.auth__row a { color: var(--ink-strong); }

.auth__or {
  margin: 28px 0 16px;
  font-size: 14px;
  color: var(--ink-muted);
}

.social-row { display: flex; justify-content: center; gap: 16px; }

.social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  color: #ffffff;
  background: rgb(102, 102, 102);
  border: 0;
  border-radius: var(--radius-round);
}

.social:hover { background: rgb(70, 70, 70); }

.auth__notice {
  margin: 0 0 16px;
  padding: 8px 12px;
  font-size: 13px;
  color: rgb(21, 87, 36);
  background: rgb(233, 247, 239);
  border-radius: 6px;
}

.auth__notice--muted { color: var(--ink-muted); background: rgba(0, 0, 0, 0.04); }

/* password reset panel: a plain card at the top of the page */
.auth__panel {
  width: 400px;
  max-width: 100%;
  padding: 24px 25px;
  background: var(--surface);
  border-radius: 10px;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.08);
}

.auth__panel--wide { width: 560px; }

.auth__panel-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.auth__info { display: inline-flex; color: var(--blue); }

.auth__panel-lead {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 21px;
  color: var(--ink);
}

.auth__panel-form { margin: 0; }

.auth__panel-actions { display: flex; justify-content: flex-end; }

.auth__continue {
  height: 36px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: #ffffff;
  background: var(--blue);
  border: 0;
  border-radius: var(--radius-field);
}

.auth__continue:hover { background: rgb(0, 105, 217); }

.mail {
  margin: 0 0 16px;
  padding: 16px 18px;
  text-align: left;
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.mail__meta { margin: 0 0 8px; font-size: 12px; color: var(--ink-faint); }
.mail__subject { margin: 0 0 12px; font-size: 15px; font-weight: 600; }

.mail__code {
  margin: 12px 0;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--ink-strong);
}

.mail__expiry,
.mail__footer { font-size: 13px; color: var(--ink-faint); }

/* --------------------------------------------------------------------- */
/* member + boundary pages                                               */
/* --------------------------------------------------------------------- */

.member,
.boundary {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 24px 64px;
}

.member__title,
.boundary__title { margin: 0 0 8px; font-size: 28px; font-weight: 600; }
.member__lead,
.boundary__lead { margin: 0 0 28px; color: var(--ink-muted); }

.member__cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.member__card {
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.member__figure { margin: 0; font-size: 26px; font-weight: 600; }
.member__label { margin: 4px 0 0; font-size: 13px; color: var(--ink-faint); }

.member__table {
  width: 100%;
  margin-bottom: 32px;
  border-collapse: collapse;
  font-size: 14px;
}

.member__table caption {
  margin-bottom: 8px;
  font-weight: 600;
  text-align: left;
}

.member__table th,
.member__table td {
  padding: 10px 8px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.member__table thead th { font-weight: 500; color: var(--ink-faint); }
.member__table a { color: var(--blue); }

.member__h2 { margin: 0 0 12px; font-size: 18px; font-weight: 600; }
.member__empty,
.member__more { color: var(--ink-muted); }
.member__empty a,
.member__more a { color: var(--blue); }

.boundary__note { margin: 0 0 28px; color: var(--ink-muted); }
.boundary__note a { color: var(--blue); }
.boundary__actions { display: flex; align-items: center; gap: 20px; }

.boundary__button {
  display: inline-block;
  padding: 8px 18px;
  font-weight: 500;
  color: #ffffff;
  background: var(--ink-strong);
  border-radius: var(--radius-round);
}

.boundary__link { color: var(--blue); }

/* --------------------------------------------------------------------- */
/* responsive                                                            */
/* --------------------------------------------------------------------- */

@media (max-width: 1279px) {
  .ps { grid-template-columns: 220px minmax(0, 1fr); }
  .ps__aside { display: none; }
  .mk-brand { padding-left: 0; }
  .hero__text { margin-right: 0; }
}

@media (max-width: 1099px) {
  .mk-explore { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .mk-explore__text,
  .mk-explore__text .mk-heading { text-align: center; }
  .mk-duo { grid-template-columns: 1fr; gap: 56px; }
  .mk-duo__col + .mk-duo__col {
    padding-left: 0;
    margin-left: 0;
    border-left: 0;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    padding-top: 56px;
  }
  .mk-footer { flex-wrap: wrap; justify-content: center; padding-inline: 24px; }
  .mk-footer__copy { margin: 0 auto; }
}

@media (max-width: 991px) {
  /* The captured mobile home renders no navigation bar at all. */
  .mk-header { display: none; }
  .hero { padding-top: 56px; padding-bottom: 60px; min-height: 0; }
  .hero__art {
    position: static;
    width: 260px;
    max-width: 72vw;
    margin: 40px auto 0;
  }
  .hero__text { width: 100%; margin: 0; }
  .hero__title { font-size: 40px; }
  .hero__wedge { height: 44%; inset: auto -20% -18% -20%; }
  .ps { grid-template-columns: minmax(0, 1fr); }
  .ps__rail { display: none; }
}

@media (max-width: 900px) {
  .wb-split {
    /* The source keeps both panes and scrolls them sideways inside the page;
       the document itself never overflows. */
    overflow-x: auto;
  }
  .wb-pane { flex: 0 0 min(92vw, 560px); }
  .wb-bar { overflow-x: auto; scrollbar-width: none; }
  .wb-bar::-webkit-scrollbar { display: none; }
  .wb-bar__left,
  .wb-bar__right { flex: none; }
  .wb-bar__list-text { display: none; }
}

@media (max-width: 767px) {
  .ap-header__inner { gap: 12px; padding: 0 16px; }
  .ap-header__burger { display: flex; }
  .ap-nav {
    position: absolute;
    top: 50px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 16px 16px;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
  }
  .ap-nav.is-open { display: flex; }
  .ap-nav__link { width: 100%; padding: 10px 0; }
  .ap-navmenu { width: 100%; }
  .ap-navmenu__panel { position: static; width: 100%; margin: 0 0 8px; box-shadow: none; }
  .ap-search { display: none; }
  .ap-search.is-open {
    position: absolute;
    top: 50px;
    left: 16px;
    right: 16px;
    display: flex;
    z-index: 20;
  }
  .ap-search.is-open input { width: 100%; }
  .ap-header__icon { display: inline-flex; }
  .ap-header__link,
  .ap-header__or,
  .ap-header__premium { display: none; }
  .ap-header__member { display: inline; }

  .ps { padding: 12px 12px 32px; }
  .ps-promo { flex: 0 0 270px; }
  .ps-controls { flex-wrap: wrap; }
  .ps-search { width: 100%; order: -1; }
  .ps-solved { margin-left: auto; }
  .ps-row__link {
    grid-template-columns: minmax(0, 1fr) 54px 44px;
    gap: 8px;
    padding: 0 12px;
  }
  .ps-row__acceptance { display: none; }
  .ps-row__frequency { text-align: right; }
  .ps-pop__panel { left: auto; right: 0; width: min(300px, 86vw); }
  .ps-pop__panel--wide { width: min(320px, 86vw); }

  .mk-playground { grid-template-columns: 1fr; }
  .mk-playground__list { display: none; }
  .mk-playground__select { display: block; }
  .mk-playground__select select {
    width: 100%;
    height: 34px;
    padding: 4px 10px;
    font-size: 15px;
    color: rgb(85, 85, 85);
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 4px;
  }

  .auth { padding: 24px 12px; }
  .auth__card { padding: 20px 16px; }
  .ap-footer__inner { justify-content: center; text-align: center; }
  .ap-footer__links { margin: 0; justify-content: center; gap: 14px; }
  .mk-footer { flex-direction: column; gap: 8px; text-align: center; }
  .mk-footer__region { margin: 0; }
}