:root {
  color-scheme: light;
  --info-bg: #f8f9ff;
  --info-surface: #ffffff;
  --info-surface-soft: #eff3ff;
  --info-text: #151c26;
  --info-muted: #59677a;
  --info-border: #d7deec;
  --info-primary: #444ec5;
  --info-primary-dark: #2d36af;
  --info-primary-soft: #e5e7ff;
  --info-button: #444ec5;
  --info-button-end: #6871e6;
  --info-on-button: #fff;
  --info-header: rgba(248, 249, 255, 0.88);
  --info-glow: rgba(94, 104, 224, 0.12);
  --info-upright: #eaf6f1;
  --info-reversed: #fff1ed;
  --info-shadow: 0 24px 70px rgba(48, 61, 125, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
  scroll-padding-top: 112px;
}

body.info-page {
  margin: 0;
  min-height: 100vh;
  color: var(--info-text);
  background:
    radial-gradient(circle at 14% -10%, var(--info-glow), transparent 34rem),
    var(--info-bg);
  font-family: Inter, "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  line-height: 1.75;
}

.info-skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  transform: translateY(-160%);
  padding: 8px 14px;
  border-radius: 8px;
  color: var(--info-on-button);
  background: var(--info-button);
}

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

.info-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid var(--info-border);
  background: var(--info-header);
  backdrop-filter: blur(18px);
}

.info-header-inner {
  display: flex;
  align-items: center;
  max-width: 1180px;
  min-height: 76px;
  margin: 0 auto;
  padding: 0 28px;
  gap: 24px;
}

.info-brand {
  flex: 0 0 auto;
  color: var(--info-text);
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.035em;
  text-decoration: none;
}

.info-brand span {
  color: inherit;
}

.info-nav {
  display: flex;
  align-items: center;
  min-width: 0;
  margin-left: auto;
  gap: 10px;
}

.info-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.info-nav-link,
.info-nav-pending {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.info-nav-link {
  color: var(--info-muted);
  transition: color 160ms ease, background-color 160ms ease;
}

.info-nav-link:hover,
.info-nav-link:focus-visible {
  color: var(--info-primary-dark);
  background: var(--info-primary-soft);
  outline: none;
}

.info-nav-link[aria-current="page"] {
  color: var(--info-primary-dark);
  background: var(--info-primary-soft);
}

.info-nav-pending {
  cursor: default;
  color: #8a93a2;
}

.info-nav-pending::after {
  content: "筹备中";
  margin-left: 6px;
  padding: 1px 5px;
  border: 1px solid var(--info-border);
  border-radius: 999px;
  font-size: 0.58rem;
  font-weight: 700;
  line-height: 1.4;
}

.info-home-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 9px 17px;
  border-radius: 11px;
  color: var(--info-on-button);
  background: linear-gradient(135deg, var(--info-button), var(--info-button-end));
  box-shadow: 0 8px 24px rgba(68, 78, 197, 0.2);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.info-menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--info-border);
  border-radius: 10px;
  color: var(--info-text);
  background: var(--info-surface);
  cursor: pointer;
}

.info-menu-toggle svg {
  display: block;
  width: 20px;
  height: 20px;
  margin: auto;
}

.info-main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 72px 28px 96px;
}

.info-hero {
  max-width: 820px;
  margin-bottom: 52px;
}

.info-eyebrow {
  margin: 0 0 12px;
  color: var(--info-primary);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.19em;
  text-transform: uppercase;
}

.info-title {
  margin: 0;
  font-family: "Space Grotesk", "Microsoft YaHei", sans-serif;
  font-size: 3.75rem;
  line-height: 1.05;
  letter-spacing: -0.055em;
}

.info-lead {
  max-width: 720px;
  margin: 22px 0 0;
  color: var(--info-muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
  line-height: 1.85;
}

.info-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 760px);
  align-items: start;
  gap: 64px;
}

.info-toc {
  position: sticky;
  top: 108px;
}

.info-toc-label {
  margin: 0 0 12px;
  color: var(--info-muted);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.info-toc-list {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 3px;
  list-style: none;
}

.info-toc a {
  display: block;
  padding: 7px 10px;
  border-left: 2px solid transparent;
  color: var(--info-muted);
  font-size: 0.87rem;
  text-decoration: none;
}

.info-toc a:hover,
.info-toc a:focus-visible {
  border-left-color: var(--info-primary);
  color: var(--info-primary-dark);
  outline: none;
}

.info-article {
  min-width: 0;
}

.info-section {
  padding: 0 0 48px;
  scroll-margin-top: 112px;
}

.info-section + .info-section {
  padding-top: 48px;
  border-top: 1px solid var(--info-border);
}

.info-section h2 {
  margin: 0 0 18px;
  font-family: "Space Grotesk", "Microsoft YaHei", sans-serif;
  font-size: clamp(1.65rem, 4vw, 2.25rem);
  line-height: 1.25;
  letter-spacing: -0.03em;
}

.info-section h3 {
  margin: 28px 0 8px;
  font-size: 1.05rem;
  line-height: 1.5;
}

.info-section p {
  margin: 0 0 16px;
  color: var(--info-muted);
}

.info-section a,
.info-inline-link {
  color: var(--info-primary-dark);
  font-weight: 650;
  text-underline-offset: 3px;
}

.info-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 24px;
  gap: 14px;
}

.info-card {
  padding: 22px;
  border: 1px solid var(--info-border);
  border-radius: 18px;
  background: var(--info-surface);
}

.info-card h3 {
  margin: 0 0 7px;
  color: var(--info-text);
  font-size: 1rem;
}

.info-card p {
  margin: 0;
  font-size: 0.93rem;
}

.info-callout {
  margin: 24px 0;
  padding: 22px 24px;
  border-left: 4px solid var(--info-primary);
  border-radius: 4px 16px 16px 4px;
  background: var(--info-primary-soft);
}

.info-callout strong {
  color: var(--info-primary-dark);
}

.info-callout p:last-child {
  margin-bottom: 0;
}

.info-list {
  display: grid;
  margin: 16px 0 0;
  padding: 0;
  gap: 12px;
  list-style: none;
}

.info-list li {
  position: relative;
  padding-left: 24px;
  color: var(--info-muted);
}

.info-list li::before {
  content: "";
  position: absolute;
  top: 0.74em;
  left: 4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--info-button);
}

.info-actions {
  display: flex;
  flex-wrap: wrap;
  margin-top: 24px;
  gap: 12px;
}

.info-action-primary,
.info-action-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 18px;
  border-radius: 11px;
  font-size: 0.92rem;
  font-weight: 750;
  text-decoration: none;
}

.info-action-primary {
  color: var(--info-on-button);
  background: var(--info-button);
}

.info-action-secondary {
  border: 1px solid var(--info-border);
  color: var(--info-primary-dark);
  background: var(--info-surface);
}

.info-meta {
  margin-top: 6px;
  color: var(--info-muted);
  font-size: 0.82rem;
}

.info-section p.info-meta--after-actions {
  margin-top: 16px;
}

.info-footer {
  border-top: 1px solid var(--info-border);
  background: var(--info-surface-soft);
}

.info-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1180px;
  min-height: 92px;
  margin: 0 auto;
  padding: 22px 28px;
  gap: 20px;
  color: var(--info-muted);
  font-size: 0.82rem;
}

.info-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.info-footer a {
  color: inherit;
  text-decoration: none;
}

.info-footer a:hover {
  color: var(--info-primary-dark);
}

body.info-page .info-legacy-note {
  max-width: 760px;
  margin: 24px auto 70px;
  padding: 24px;
  border: 1px solid var(--info-border);
  border-radius: 18px;
  background: var(--info-surface);
  box-shadow: var(--info-shadow);
  text-align: center;
}

@media (max-width: 900px) {
  .info-header-inner {
    min-height: 68px;
    padding: 0 18px;
  }

  .info-menu-toggle {
    display: inline-flex;
    order: -1;
    flex: 0 0 auto;
    margin-left: 0;
  }

  .info-nav {
    margin-left: 0;
  }

  .info-nav-links {
    position: absolute;
    top: calc(100% + 8px);
    right: 18px;
    left: 18px;
    display: none;
    align-items: stretch;
    padding: 10px;
    border: 1px solid var(--info-border);
    border-radius: 16px;
    background: var(--info-surface);
    box-shadow: var(--info-shadow);
  }

  .info-nav-links.is-open {
    display: grid;
  }

  .info-nav-link,
  .info-nav-pending {
    justify-content: space-between;
    width: 100%;
  }

  .info-home-button {
    min-height: 40px;
    margin-left: auto;
    padding: 8px 13px;
  }

  .info-main {
    padding: 52px 20px 76px;
  }

  .info-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .info-toc {
    position: static;
    padding: 16px;
    border: 1px solid var(--info-border);
    border-radius: 14px;
    background: var(--info-surface);
  }

  .info-toc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .info-toc a {
    border-left: 0;
  }
}

@media (max-width: 767px) {
  .info-title {
    font-size: 3rem;
  }
}

@media (max-width: 620px) {
  .info-header-inner {
    gap: 12px;
  }

  .info-brand {
    font-size: 1.08rem;
  }

  .info-home-button {
    font-size: 0.8rem;
  }

  .info-main {
    padding-top: 42px;
  }

  .info-hero {
    margin-bottom: 36px;
  }

  .info-title--long {
    font-size: clamp(2.25rem, 11.5vw, 2.75rem);
  }

  .info-card-grid {
    grid-template-columns: 1fr;
  }

  .info-toc-list {
    grid-template-columns: 1fr;
  }

  .info-section,
  .info-section + .info-section {
    padding-top: 34px;
    padding-bottom: 34px;
  }

  .info-footer-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 24px 20px;
  }
}

/* Card meanings */
.meanings-hero {
  padding-bottom: 46px;
}

.meaning-browser {
  margin-bottom: 36px;
  padding: 20px;
  border: 1px solid var(--info-border);
  border-radius: 18px;
  background: var(--info-surface-soft);
}

.meaning-browser .meaning-toolbar {
  margin-top: 0;
}

.meaning-toolbar {
  display: flex;
  align-items: end;
  margin: 25px 0 6px;
  gap: 10px;
}

.meaning-search {
  display: grid;
  flex: 1 1 auto;
  gap: 6px;
}

.meaning-search-label {
  color: var(--info-text);
  font-size: 0.78rem;
  font-weight: 700;
}

.meaning-search input {
  width: 100%;
  min-height: 46px;
  padding: 10px 14px;
  border: 1px solid var(--info-border);
  border-radius: 12px;
  color: var(--info-text);
  background: var(--info-surface);
  font: inherit;
  font-size: 0.9rem;
}

.meaning-search input:focus {
  border-color: var(--info-primary);
  box-shadow: 0 0 0 3px rgba(68, 78, 197, 0.12);
  outline: none;
}

.meaning-reset {
  min-height: 46px;
  padding: 9px 15px;
  border: 1px solid var(--info-border);
  border-radius: 12px;
  color: var(--info-primary-dark);
  background: var(--info-surface);
  cursor: pointer;
  font-weight: 700;
}

.meaning-result {
  min-height: 24px;
  margin: 0 0 8px !important;
  font-size: 0.78rem;
}

.meaning-card-list {
  display: grid;
  gap: 12px;
}

.meaning-card {
  scroll-margin-top: 96px;
  overflow: hidden;
  border: 1px solid var(--info-border);
  border-radius: 18px;
  background: var(--info-surface);
  box-shadow: 0 10px 30px rgba(48, 61, 125, 0.05);
}

.meaning-card[hidden] {
  display: none;
}

.meaning-card > summary {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) auto;
  align-items: center;
  min-height: 150px;
  padding: 14px 18px 14px 14px;
  gap: 18px;
  cursor: pointer;
  list-style: none;
}

.meaning-card > summary::-webkit-details-marker {
  display: none;
}

.meaning-card > summary:hover,
.meaning-card > summary:focus-visible {
  background: var(--info-surface);
  outline: none;
}

.meaning-card > summary img {
  display: block;
  width: 76px;
  height: auto;
  border-radius: 8px;
  object-fit: contain;
  box-shadow: 0 8px 18px rgba(26, 31, 63, 0.18);
}

.meaning-card-link {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) auto;
  align-items: center;
  min-height: 150px;
  padding: 14px 18px 14px 14px;
  gap: 18px;
  text-decoration: none;
}

.meaning-card-link:hover {
  background: var(--info-surface);
  outline: 1px solid rgba(68, 78, 197, 0.24);
  outline-offset: -1px;
}

.meaning-card-link:focus-visible {
  background: var(--info-surface);
  outline: 2px solid var(--info-primary);
  outline-offset: -2px;
}

.meaning-card-link img {
  display: block;
  width: 76px;
  height: auto;
  border-radius: 8px;
  object-fit: contain;
  box-shadow: 0 8px 18px rgba(26, 31, 63, 0.18);
}

.meaning-card-link .meaning-card-toggle::after {
  content: none;
}

.meaning-card-intro {
  display: grid;
  min-width: 0;
  gap: 4px;
}

.meaning-card-number {
  color: var(--info-primary);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.meaning-card-heading {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 7px;
}

.meaning-card-heading strong {
  color: var(--info-text);
  font-size: 1.16rem;
}

.meaning-card-heading em {
  color: var(--info-muted);
  font-size: 0.8rem;
  font-style: normal;
}

.meaning-card-theme {
  overflow: hidden;
  color: var(--info-muted);
  font-size: 0.86rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.meaning-card-toggle {
  color: var(--info-primary-dark);
  font-size: 0.74rem;
  font-weight: 700;
  white-space: nowrap;
}

.meaning-card-toggle::after {
  content: "＋";
  margin-left: 7px;
}

.meaning-card[open] .meaning-card-toggle::after {
  content: "－";
}

.meaning-card-body {
  padding: 25px 28px 29px;
  border-top: 1px solid var(--info-border);
  background: var(--info-surface);
}

.meaning-card-body h3 {
  margin: 0 0 9px;
  color: var(--info-text);
  font-size: 1rem;
}

.meaning-card-body > p {
  margin: 0 0 23px;
  font-size: 0.98rem;
}

.meaning-keywords {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 27px;
  gap: 12px;
}

.meaning-keyword-group {
  padding: 15px;
  border-radius: 14px;
}

.meaning-keyword-group--upright {
  background: var(--info-upright);
}

.meaning-keyword-group--reversed {
  background: var(--info-reversed);
}

.meaning-keyword-group > strong {
  display: block;
  margin-bottom: 9px;
  color: var(--info-text);
  font-size: 0.86rem;
}

.meaning-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.meaning-tags span {
  padding: 3px 8px;
  border: 1px solid var(--info-border);
  border-radius: 999px;
  color: var(--info-muted);
  background: var(--info-surface);
  font-size: 0.79rem;
}

.meaning-scenarios {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.meaning-scenarios section {
  padding: 16px;
  border: 1px solid var(--info-border);
  border-radius: 14px;
  background: var(--info-surface);
}

.meaning-scenarios h4 {
  margin: 0 0 9px;
  color: var(--info-text);
  font-size: 0.96rem;
}

.meaning-scenarios p {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  margin: 7px 0 0;
  color: var(--info-muted);
  font-size: 0.87rem;
  gap: 8px;
}

.meaning-scenarios b {
  color: var(--info-primary-dark);
  font-size: 0.78rem;
}

.meaning-sources {
  margin-top: 18px;
  color: var(--info-muted);
  font-size: 0.84rem;
}

.meaning-sources summary {
  cursor: pointer;
  font-weight: 700;
}

.meaning-sources div {
  display: flex;
  flex-wrap: wrap;
  margin-top: 7px;
  gap: 8px 18px;
}

.iching-lines-note {
  color: var(--info-muted);
  font-size: 0.86rem !important;
}

.iching-structure-meta {
  display: flex;
  flex-wrap: wrap;
  margin: -7px 0 18px;
  gap: 8px;
}

.iching-structure-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 5px 10px;
  border: 1px solid var(--info-border);
  border-radius: 999px;
  background: var(--info-primary-soft);
  gap: 6px;
}

.iching-structure-meta small {
  color: var(--info-muted);
  font-size: 0.68rem;
}

.iching-structure-meta b {
  color: var(--info-primary-dark);
  font-size: 0.8rem;
}

.iching-line-list {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--info-border);
  border-radius: 16px;
  background: var(--info-surface);
}

.iching-line-row {
  display: grid;
  grid-template-columns: 72px 120px minmax(0, 1fr);
  align-items: center;
  min-height: 72px;
  padding: 12px 16px;
  gap: 16px;
}

.iching-line-row + .iching-line-row {
  border-top: 1px solid var(--info-border);
}

.iching-line-position {
  display: flex;
  align-items: center;
  gap: 7px;
}

.iching-line-position strong {
  color: var(--info-text);
  font-size: 0.94rem;
}

.iching-line-role {
  display: inline-grid;
  width: 25px;
  height: 25px;
  place-items: center;
  border: 1px solid rgba(68, 78, 197, 0.2);
  border-radius: 50%;
  color: var(--info-primary-dark);
  background: var(--info-primary-soft);
  font-size: 0.7rem;
  font-weight: 700;
}

.iching-line-symbol {
  color: var(--info-text);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.08em;
  white-space: pre;
}

.iching-line-attributes {
  display: grid;
  grid-template-columns: repeat(4, minmax(58px, 1fr));
  gap: 8px;
}

.iching-line-attributes span {
  display: grid;
  gap: 2px;
}

.iching-line-attributes small {
  color: var(--info-muted);
  font-size: 0.68rem;
}

.iching-line-attributes b {
  color: var(--info-text);
  font-size: 0.84rem;
}

.meaning-loading,
.meaning-error {
  padding: 24px;
  border: 1px solid var(--info-border);
  border-radius: 14px;
  background: var(--info-surface);
  text-align: center;
}

.minor-suit-grid,
.copyright-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 24px 0;
  gap: 12px;
}

.minor-suit-grid article,
.minor-suit-grid a,
.copyright-grid article {
  padding: 19px;
  border: 1px solid var(--info-border);
  border-radius: 16px;
  background: var(--info-surface);
}

.minor-suit-grid a {
  color: inherit;
  text-decoration: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.minor-suit-grid a:hover,
.minor-suit-grid a:focus-visible {
  border-color: rgba(68, 78, 197, 0.48);
  box-shadow: 0 10px 26px rgba(48, 61, 125, 0.09);
  outline: none;
  transform: translateY(-2px);
}

.minor-suit-grid span {
  display: block;
  color: var(--info-primary);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.minor-suit-grid strong {
  display: block;
  margin: 3px 0 2px;
  color: var(--info-text);
}

.minor-suit-grid p,
.copyright-grid p {
  margin: 0;
  font-size: 0.84rem;
}

.meaning-suit-section {
  padding-top: 34px;
  scroll-margin-top: 104px;
}

.meaning-suit-section + .meaning-suit-section {
  margin-top: 40px;
  border-top: 1px solid var(--info-border);
}

.meaning-suit-section[hidden],
.info-section[hidden] {
  display: none;
}

.meaning-suit-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 16px;
}

.meaning-suit-heading span {
  display: block;
  color: var(--info-primary);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.meaning-suit-heading h3 {
  margin: 2px 0 0;
  color: var(--info-text);
  font-size: 1.32rem;
}

.meaning-suit-heading > strong {
  color: var(--info-muted);
  font-size: 0.78rem;
  white-space: nowrap;
}

.copyright-grid h3 {
  margin-top: 0;
}

.copyright-grid article:only-child {
  grid-column: 1 / -1;
}

.meaning-status {
  display: grid;
  padding: 18px 20px;
  border-left: 4px solid var(--info-primary);
  border-radius: 4px 14px 14px 4px;
  color: var(--info-muted);
  background: var(--info-primary-soft);
  font-size: 0.82rem;
  gap: 2px;
}

.meaning-status strong {
  color: var(--info-primary-dark);
}

@media (max-width: 720px) {
  .meaning-card > summary,
  .meaning-card-link {
    grid-template-columns: 62px minmax(0, 1fr) auto;
    min-height: 124px;
    padding: 12px;
    gap: 12px;
  }

  .meaning-card > summary img,
  .meaning-card-link img {
    width: 62px;
    height: auto;
  }

  .meaning-card-toggle {
    font-size: 0;
  }

  .meaning-card-toggle::after {
    margin-left: 0;
    font-size: 1rem;
  }

  .meaning-card-link .meaning-card-toggle {
    font-size: 0.74rem;
  }

  .meaning-card-link .meaning-card-toggle::after {
    content: none;
  }

  .meaning-card-body {
    padding: 21px 17px 24px;
  }

  .meaning-keywords,
  .meaning-scenarios,
  .minor-suit-grid,
  .copyright-grid {
    grid-template-columns: 1fr;
  }

  .iching-line-row {
    grid-template-columns: 62px 92px minmax(0, 1fr);
    padding: 12px;
    gap: 10px;
  }

  .iching-line-attributes {
    grid-template-columns: repeat(2, minmax(48px, 1fr));
  }
}

@media (max-width: 520px) {
  .meaning-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .meaning-card-theme {
    white-space: normal;
  }

  .iching-line-row {
    grid-template-columns: 62px minmax(0, 1fr);
  }

  .iching-line-symbol {
    font-size: 0.96rem;
  }

  .iching-line-attributes {
    grid-column: 1 / -1;
    padding-top: 9px;
    border-top: 1px dashed var(--info-border);
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

/* Tutorial page */
.guide-hero {
  max-width: 900px;
}

.guide-facts {
  display: flex;
  flex-wrap: wrap;
  margin: 34px 0 0;
  padding: 0;
  gap: 12px;
  list-style: none;
}

.guide-facts li {
  display: grid;
  min-width: 154px;
  padding: 15px 18px;
  border: 1px solid var(--info-border);
  border-radius: 14px;
  background: var(--info-surface);
}

.guide-facts strong {
  color: var(--info-text);
  font-size: 0.96rem;
}

.guide-facts span {
  color: var(--info-muted);
  font-size: 0.78rem;
}

.guide-section-kicker {
  margin: 0 0 8px !important;
  color: var(--info-primary) !important;
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.guide-page .info-section h2 {
  font-size: clamp(1.45rem, 3.3vw, 1.9rem);
}

.guide-step-map {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid var(--info-border);
  border-radius: 16px;
  background: var(--info-surface);
}

.guide-step-map a {
  display: grid;
  padding: 17px 14px;
  border-right: 1px solid var(--info-border);
  color: var(--info-text);
  font-size: 0.82rem;
  text-align: center;
  text-decoration: none;
}

.guide-step-map a:last-child {
  border-right: 0;
}

.guide-step-map a:hover,
.guide-step-map a:focus-visible {
  background: var(--info-primary-soft);
  outline: none;
}

.guide-step-map span {
  color: var(--info-primary);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
}

.guide-step-heading {
  display: flex;
  align-items: flex-start;
  margin-bottom: 18px;
  gap: 17px;
}

.guide-step-heading h2 {
  margin-bottom: 0;
}

.guide-step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 54px;
  height: 54px;
  border-radius: 17px;
  color: var(--info-on-button);
  background: linear-gradient(135deg, var(--info-button), var(--info-button-end));
  box-shadow: 0 12px 28px rgba(68, 78, 197, 0.2);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.02rem;
  font-weight: 700;
}

.guide-shot {
  position: relative;
  display: grid;
  min-height: 230px;
  margin: 30px 0;
  padding: 56px 34px 34px;
  place-content: center;
  border: 1px dashed #aeb7d8;
  border-radius: 20px;
  color: var(--info-muted);
  background:
    linear-gradient(135deg, rgba(229, 231, 255, 0.76), rgba(255, 255, 255, 0.86)),
    repeating-linear-gradient(45deg, transparent, transparent 14px, rgba(68, 78, 197, 0.03) 14px, rgba(68, 78, 197, 0.03) 28px);
  text-align: center;
}

.guide-shot::before {
  content: "";
  width: 44px;
  height: 34px;
  margin: 0 auto 14px;
  border: 2px solid var(--info-primary);
  border-radius: 8px;
  background: radial-gradient(circle at 50% 55%, transparent 7px, var(--info-primary) 8px, var(--info-primary) 10px, transparent 11px);
  opacity: 0.7;
}

.guide-shot-mark {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 9px;
  border-radius: 999px;
  color: var(--info-primary-dark);
  background: var(--info-primary-soft);
  font-size: 0.7rem;
  font-weight: 800;
}

.guide-shot strong {
  margin-bottom: 4px;
  color: var(--info-text);
  font-size: 1rem;
}

.guide-shot span {
  max-width: 560px;
  font-size: 0.86rem;
  line-height: 1.65;
}

.guide-steps-list {
  display: grid;
  margin: 20px 0 22px;
  padding: 0;
  gap: 12px;
  counter-reset: guide-list;
  list-style: none;
}

.guide-steps-list li {
  position: relative;
  padding: 15px 18px 15px 52px;
  border: 1px solid var(--info-border);
  border-radius: 14px;
  color: var(--info-muted);
  background: var(--info-surface);
  counter-increment: guide-list;
}

.guide-steps-list li::before {
  content: counter(guide-list);
  position: absolute;
  top: 16px;
  left: 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 23px;
  height: 23px;
  border-radius: 50%;
  color: var(--info-on-button);
  background: var(--info-button);
  font-size: 0.72rem;
  font-weight: 800;
}

.guide-choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 24px 0;
  gap: 14px;
}

.guide-choice-grid--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.guide-choice-card {
  padding: 22px;
  border: 1px solid var(--info-border);
  border-radius: 18px;
  background: var(--info-surface);
  box-shadow: 0 12px 34px rgba(48, 61, 125, 0.06);
}

.guide-choice-card h3 {
  margin: 8px 0 7px;
  color: var(--info-text);
}

.guide-choice-card p {
  margin: 0;
  font-size: 0.9rem;
}

.guide-choice-label {
  color: var(--info-primary);
  font-size: 0.85rem;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 0.055em;
}

.guide-note {
  padding: 14px 17px;
  border-radius: 12px;
  color: var(--info-muted) !important;
  background: var(--info-surface-soft);
  font-size: 0.88rem;
}

.guide-figure {
  margin: 30px 0;
}

.guide-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--info-border);
  border-radius: 18px;
  background: var(--info-surface);
  box-shadow: 0 18px 50px rgba(48, 61, 125, 0.1);
}

.guide-figure figcaption {
  margin-top: 10px;
  color: var(--info-muted);
  font-size: 0.8rem;
  line-height: 1.65;
  text-align: center;
}

.guide-figure-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  margin: 30px 0;
  gap: 18px;
}

.guide-figure-pair .guide-figure {
  margin: 0;
}

.guide-figure--phone {
  max-width: 430px;
}

.guide-figure--centered {
  margin-right: auto;
  margin-left: auto;
}

#spread-library {
  counter-reset: guide-spread-index;
}

.guide-spread-group {
  --guide-group: var(--info-primary);
  --guide-group-soft: var(--info-primary-soft);
  margin-top: 34px;
}

.guide-spread-group > h3 {
  display: flex;
  align-items: center;
  margin: 0 0 10px;
  padding: 13px 16px;
  border-left: 4px solid var(--guide-group);
  border-radius: 4px 14px 14px 4px;
  color: var(--guide-group);
  background: var(--guide-group-soft);
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  gap: 10px;
}

.guide-spread-group > h3 span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  color: var(--info-on-button);
  background: var(--guide-group);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0;
}

.guide-spread-group--relationships {
  --guide-group: #8750b8;
  --guide-group-soft: #f1e9fa;
}

.guide-spread-group--special {
  --guide-group: #137d73;
  --guide-group-soft: #e4f4f1;
}

.guide-spread {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  align-items: center;
  padding: 15px 4px;
  gap: 13px;
  border-top: 1px solid var(--info-border);
  counter-increment: guide-spread-index;
  color: inherit;
  text-decoration: none;
}

.guide-spread:last-child {
  border-bottom: 1px solid var(--info-border);
}

.guide-spread:hover,
.guide-spread:focus-visible {
  background: var(--guide-group-soft);
  outline: none;
}

.guide-spread::before {
  content: counter(guide-spread-index, decimal-leading-zero);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid color-mix(in srgb, var(--guide-group) 35%, white);
  border-radius: 11px;
  color: var(--guide-group);
  background: var(--guide-group-soft);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.74rem;
  font-weight: 800;
}

.guide-spread span {
  display: grid;
  gap: 2px;
}

.guide-spread strong {
  color: var(--info-text);
  font-size: 1rem;
}

.guide-spread small {
  color: var(--info-muted);
  font-size: 0.8rem;
  font-weight: 500;
}

.guide-spread b {
  flex: 0 0 auto;
  color: var(--guide-group);
  font-size: 0.72rem;
}

.guide-coming-soon {
  display: flex;
  align-items: center;
  margin: 24px 0;
  padding: 26px;
  border: 1px solid var(--info-border);
  border-radius: 20px;
  background: linear-gradient(135deg, var(--info-primary-soft), var(--info-surface));
  gap: 24px;
}

.guide-coming-soon > span {
  flex: 0 0 auto;
  color: var(--info-primary);
  font-family: "Space Grotesk", sans-serif;
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1;
}

.guide-coming-soon strong {
  color: var(--info-text);
}

.guide-coming-soon p {
  margin: 5px 0 0;
  font-size: 0.88rem;
}

.guide-faq-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 28px;
}

.guide-faq-list details {
  padding: 0 19px;
  border: 1px solid var(--info-border);
  border-radius: 14px;
  background: var(--info-surface);
}

.guide-faq-list summary {
  padding: 16px 0;
  color: var(--info-text);
  cursor: pointer;
  font-weight: 700;
}

.guide-faq-list p {
  margin-bottom: 17px;
  font-size: 0.9rem;
}

@media (max-width: 780px) {
  .guide-choice-grid--three {
    grid-template-columns: 1fr;
  }

  .guide-step-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .guide-step-map a:nth-child(2) {
    border-right: 0;
  }

  .guide-step-map a:nth-child(-n + 2) {
    border-bottom: 1px solid var(--info-border);
  }
}

@media (max-width: 620px) {
  .guide-facts,
  .guide-choice-grid {
    display: grid;
    grid-template-columns: 1fr;
  }

  .guide-facts li {
    min-width: 0;
  }

  .guide-step-heading {
    gap: 12px;
  }

  .guide-step-number {
    width: 45px;
    height: 45px;
    border-radius: 14px;
    font-size: 0.88rem;
  }

  .guide-shot {
    min-height: 210px;
    padding: 54px 20px 26px;
  }

  .guide-spread {
    align-items: flex-start;
  }

  .guide-spread b {
    font-size: 0.72rem;
  }

  .guide-coming-soon {
    align-items: flex-start;
    flex-direction: column;
  }

  .guide-figure-pair {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .guide-figure-pair .guide-figure {
    max-width: 100%;
  }
}

/* Graphite surfaces keep the reading area neutral; violet is reserved for accents. */
:root[data-theme="dark"] {
  color-scheme: dark;
  --info-bg: #151617;
  --info-surface: #202224;
  --info-surface-soft: #2b2d30;
  --info-text: #ecedef;
  --info-muted: #b0b4bc;
  --info-border: #3c4045;
  --info-primary: #b3a2ff;
  --info-primary-dark: #c5b8ff;
  --info-primary-soft: #302c40;
  --info-button: #7964c9;
  --info-button-end: #7964c9;
  --info-on-button: #fff;
  --info-header: rgba(21, 22, 23, .94);
  --info-glow: transparent;
  --info-upright: #22352e;
  --info-reversed: #3b2b28;
  --info-shadow: 0 24px 70px rgba(0, 0, 0, .22);
}
:root[data-theme="dark"] .info-nav-pending { color: #92969f; }
:root[data-theme="dark"] .guide-shot { border-color: var(--info-border); background: var(--info-surface-soft); }
:root[data-theme="dark"] .guide-spread-group--relationships { --guide-group: #c3a3e5; --guide-group-soft: #312839; }
:root[data-theme="dark"] .guide-spread-group--special { --guide-group: #80cec1; --guide-group-soft: #223532; }
:root[data-theme="dark"] .guide-spread-group > h3 span { color: #151617; }
:root[data-theme="dark"] .meaning-card > summary:hover,
:root[data-theme="dark"] .meaning-card > summary:focus-visible,
:root[data-theme="dark"] .meaning-card-link:hover,
:root[data-theme="dark"] .meaning-card-link:focus-visible { background: var(--info-surface-soft); }
:root[data-theme="dark"] .minor-suit-grid a:hover,
:root[data-theme="dark"] .minor-suit-grid a:focus-visible { border-color: var(--info-primary); }
.info-theme-toggle {
  flex: 0 0 auto;
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--info-border);
  border-radius: 10px;
  color: var(--info-text);
  background: var(--info-surface);
  font: inherit;
  font-size: .8rem;
  cursor: pointer;
}
.info-page :focus-visible { outline: 2px solid var(--info-primary); outline-offset: 3px; }
@media (max-width: 900px) {
  .info-header-inner { gap: 10px; flex-wrap: wrap; padding-block: 10px; }
  .info-nav { margin-left: auto; }
  .info-theme-toggle { order: 2; }
}
@media (max-width: 380px) {
  .info-header-inner { padding-inline: 12px; gap: 7px; }
  .info-brand { font-size: 1.05rem; }
  .info-home-button { padding-inline: 8px; font-size: .8rem; }

}
@media print {
  :root[data-theme] {
    color-scheme: light;
    --info-bg: #fff; --info-surface: #fff; --info-surface-soft: #f2f2f2;
    --info-text: #151c26; --info-muted: #59677a; --info-border: #ccc;
    --info-primary: #444ec5; --info-primary-dark: #2d36af;
    --info-primary-soft: #e5e7ff; --info-header: #fff; --info-shadow: none;
    --info-upright: #eaf6f1; --info-reversed: #fff1ed;
  }
  .info-header, .info-theme-toggle { display: none; }
}

/* The changelog uses utility classes in addition to the shared information layout. */
:root[data-theme="dark"] .changelog-page .bg-surface { background-color: var(--info-bg); }
:root[data-theme="dark"] .changelog-page .bg-surface-container,
:root[data-theme="dark"] .changelog-page .bg-surface-container-low { background-color: var(--info-surface); }
:root[data-theme="dark"] .changelog-page .bg-surface-variant { background-color: var(--info-surface-soft); }
:root[data-theme="dark"] .changelog-page .bg-secondary-container,
:root[data-theme="dark"] .changelog-page .bg-tertiary-fixed { background-color: var(--info-primary-soft); }
:root[data-theme="dark"] .changelog-page .bg-primary { background-color: var(--info-button); }
:root[data-theme="dark"] .changelog-page .bg-error-container { background-color: #3b2b28; }
:root[data-theme="dark"] .changelog-page .text-on-surface { color: var(--info-text); }
:root[data-theme="dark"] .changelog-page .text-on-surface-variant,
:root[data-theme="dark"] .changelog-page .text-secondary,
:root[data-theme="dark"] .changelog-page .text-outline { color: var(--info-muted); }
:root[data-theme="dark"] .changelog-page .text-primary,
:root[data-theme="dark"] .changelog-page .text-primary-container,
:root[data-theme="dark"] .changelog-page .text-on-secondary-container,
:root[data-theme="dark"] .changelog-page .text-on-tertiary-fixed { color: var(--info-primary); }
:root[data-theme="dark"] .changelog-page .text-error,
:root[data-theme="dark"] .changelog-page .text-on-error-container { color: #f2aaa0; }
:root[data-theme="dark"] .changelog-page .from-primary { --tw-gradient-from: var(--info-button) var(--tw-gradient-from-position); }
:root[data-theme="dark"] .changelog-page .to-primary-container { --tw-gradient-to: #6754af var(--tw-gradient-to-position); }
:root[data-theme="dark"] .changelog-page .via-outline-variant\/30 { --tw-gradient-via: var(--info-border); }

.info-theme-toggle svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.info-theme-toggle:hover { color: var(--info-primary-dark); background: var(--info-surface-soft); border-color: var(--info-primary); }
.info-theme-toggle.is-system::after { content: ''; position: absolute; right: 6px; bottom: 6px; width: 5px; height: 5px; border-radius: 50%; background: var(--info-primary); }