/* ==========================================================================
   Koyomi Days — Components Styles
   Instruments, Layouts, Drawer, Ledger, Grid, Coins, CTA, Header, Footer
   ========================================================================== */

/* ---------------- Header (Always scrolls with page, NEVER sticky or fixed) ---------------- */
.hd {
  border-bottom: 1px solid var(--kd-line);
  position: relative;
  background: var(--kd-bg);
}

.hd-in {
  height: 68px;
  display: flex;
  align-items: center;
  gap: 36px;
  padding: 0 var(--gut);
  max-width: var(--content-max);
  margin: 0 auto;
}

@media (max-width: 767px) {
  .hd-in {
    height: 60px;
    gap: 16px;
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none !important;
  color: var(--kd-ink) !important;
  flex-shrink: 0;
}

.logo-mk {
  display: block;
}

.lg-s {
  fill: none;
  stroke: var(--kd-ai);
  stroke-width: 1.5;
}

.lg-f {
  fill: var(--kd-ai);
}

.wm {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.wm b {
  font: 500 21px/1 var(--news);
  letter-spacing: 0;
}

.wm i {
  font: 500 10.5px/1 var(--mincho);
  font-style: normal;
  letter-spacing: .06em;
  color: var(--kd-ink-2);
  margin-top: 5px;
}

.nav {
  display: flex;
  gap: 22px;
  font-size: 14px;
  line-height: 1;
  overflow-x: auto;
  white-space: nowrap;
}

.nav a {
  color: var(--kd-ink) !important;
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 1.5px solid transparent;
}

.nav a:hover, .nav a.on {
  border-bottom-color: var(--kd-ai);
}

@media (max-width: 767px) {
  .nav {
    display: none;
  }
}

.hd-tools {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: var(--kd-ink-2);
  line-height: 1;
}

/* Language selector details */
.kd-lang-select {
  position: relative;
  display: inline-block;
}

.kd-lang-select summary {
  list-style: none;
  cursor: pointer;
  padding: 6px 10px;
  border: 1px solid var(--kd-line-strong);
  color: var(--kd-ink);
  font-size: 13px;
  user-select: none;
  background: var(--kd-surface);
}

.kd-lang-select summary::-webkit-details-marker {
  display: none;
}

.kd-lang-select[open] .kd-lang-menu {
  display: block;
}

.kd-lang-menu {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 4px;
  background: var(--kd-surface);
  border: 1px solid var(--kd-line-strong);
  z-index: 100;
  min-width: 110px;
  box-shadow: none;
}

.kd-lang-menu a {
  display: block;
  padding: 8px 12px;
  color: var(--kd-ink) !important;
  text-decoration: none;
  font-size: 13px;
  border-bottom: 1px solid var(--kd-line);
}

.kd-lang-menu a:last-child {
  border-bottom: 0;
}

.kd-lang-menu a:hover, .kd-lang-menu a.on {
  background: var(--kd-surface-2);
  color: var(--kd-ai) !important;
}

/* Theme selector */
.kd-theme-select {
  padding: 5px 8px;
  border: 1px solid var(--kd-line-strong);
  background: var(--kd-surface);
  color: var(--kd-ink);
  font-size: 12.5px;
  cursor: pointer;
}

/* ---------------- Footer (No operator name here!) ---------------- */
.ft {
  margin-top: 72px;
  border-top: 1px solid var(--kd-line);
  padding: 32px var(--gut) 48px;
  display: flex;
  gap: 40px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--kd-ink-2);
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.ft nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.ft nav a {
  color: var(--kd-ink-2) !important;
  text-decoration: none;
}

.ft nav a:hover {
  color: var(--kd-ai) !important;
}

@media (max-width: 767px) {
  .ft {
    flex-direction: column;
    gap: 20px;
    margin-top: 48px;
    padding: 24px var(--gut) 36px;
  }
}

/* ---------------- Instruments: Rule (.kd-rule) ---------------- */
.kd-rule {
  position: relative;
  display: block;
  width: 100%;
  margin: 0;
  overflow: visible;
  outline: none;
}

.kd-rule svg.rule, .kd-rule svg.kd-rule-full {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.kd-rule svg text {
  font-family: var(--inter);
  font-feature-settings: "tnum" 1;
}

/* Rule SVG geometric paths */
.s-base { stroke: var(--kd-line-strong); stroke-width: 1.5; fill: none; }
.s-base1 { stroke: var(--kd-line-strong); stroke-width: 1; fill: none; }
.s-tick { stroke: var(--kd-tick); stroke-width: 1; fill: none; }
.s-major { stroke: var(--kd-tick-major); stroke-width: 1; fill: none; }
.loop { stroke: var(--kd-line-strong); stroke-width: 1; fill: none; stroke-dasharray: 3 3; }
.lbl { fill: var(--kd-ink-2); font-size: 12px; letter-spacing: .04em; }
.lbl-m { fill: var(--kd-ink); font-weight: 600; }
.lbl-d { font-size: 11px; fill: var(--kd-ink-2); }
.lbl-sm { font-size: 10px; fill: var(--kd-ink-2); }
.lbl-min { fill: var(--kd-ink-2); font: 500 11px var(--mincho); }
.hexlbl { font: 500 11px var(--mincho); fill: var(--kd-ink-2); }
.nx { fill: var(--kd-ink); font-size: 12px; font-weight: 500; }
.leader { stroke: var(--kd-line-strong); stroke-width: 1; }
.m-mb { fill: var(--kd-tokiwa); }
.m-ta { fill: var(--kd-ai); }
.m-ts { fill: none; stroke: var(--kd-kuri); stroke-width: 1.5; }
.m-gz { fill: none; stroke: var(--kd-ink-2); stroke-width: 1; }
.m-ex { fill: none; stroke: var(--kd-ink-2); stroke-width: 1; stroke-dasharray: 2 1.5; }
.conn { stroke: var(--kd-ink); stroke-width: 1.25; }
.today { fill: var(--kd-ink-2); }
.cur { stroke: var(--kd-cursor); stroke-width: 2; fill: none; }
.cur2 { stroke: var(--kd-cursor-2); stroke-width: 2; stroke-dasharray: 4 3; fill: none; }
.cur-h { stroke: var(--kd-ai); stroke-width: 1; stroke-dasharray: 2 2; fill: none; opacity: .6; }
.flag { fill: var(--kd-cursor); }
.flag-t { fill: var(--kd-on-ai); font: 500 12px var(--inter) !important; font-feature-settings: "tnum" 1 !important; }
.flag2 { fill: var(--kd-bg); stroke: var(--kd-ai); stroke-width: 1; stroke-dasharray: 3 2; }
.flag2-t { fill: var(--kd-ai); font: 500 12px var(--inter) !important; font-feature-settings: "tnum" 1 !important; }
.g { fill: var(--kd-ink); }
.g-on { fill: var(--kd-ai); }
.g-on2 { fill: var(--kd-ai); opacity: .55; }
.g-mv { fill: none; stroke: var(--kd-ink); stroke-width: 1.2; }
.g-pend { stroke: var(--kd-line-strong); stroke-width: 1; stroke-dasharray: 3 3; }
.hlc { fill: var(--kd-ai-tint); }
.mk { display: inline-block; vertical-align: -1px; }

/* Rule caption */
.kd-rule figcaption, .figcap {
  font-size: 13.5px;
  color: var(--kd-ink-2);
  padding: 10px 0 0;
}

@media (max-width: 767px) {
  .kd-rule figcaption, .figcap {
    padding: 8px 16px 0;
  }
}

.inst-hd {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 0 0 14px;
  max-width: var(--content-max);
  margin: 0 auto;
  width: 100%;
}

@media (max-width: 767px) {
  .inst-hd {
    padding: 0 16px 12px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

.inst-yr {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.inst-yr b {
  font: 500 22px/1 var(--inter);
  letter-spacing: -.01em;
}

.inst-yr span {
  font-size: 12.5px;
  color: var(--kd-ink-2);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font-size: 12.5px;
  color: var(--kd-ink-2);
  line-height: 1.2;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Mobile Tape Mode container (07 §6.2) */
.kd-tape-wrap {
  display: none;
}

@media (max-width: 767px) {
  .kd-rule[data-mode="tape"] .kd-tape-wrap {
    display: block;
    position: relative;
    width: 100%;
    overflow: hidden;
  }
  .kd-rule[data-mode="tape"] .kd-tape-inner {
    width: 100%;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }
  .kd-rule[data-mode="tape"] .kd-rule-full {
    display: none;
  }
  .kd-rule[data-mode="tape"] svg.kd-rule-tape {
    display: block;
    width: auto !important;
    max-width: none !important;
    height: auto;
    overflow: visible;
  }
  .kd-tape-cursor {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    transform: translateX(-50%);
    pointer-events: none;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .kd-tape-cursor-flag {
    background: var(--kd-cursor);
    color: var(--kd-on-ai);
    font: 500 12px/1.4 var(--inter);
    font-feature-settings: "tnum" 1;
    padding: 2px 7px;
    white-space: nowrap;
  }
  .kd-tape-cursor-line {
    width: 2px;
    flex: 1;
    background: var(--kd-cursor);
  }
}

/* Month tabs (mobile only) */
.mtabs {
  display: none;
}

@media (max-width: 767px) {
  .mtabs {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    white-space: nowrap;
    padding: 0 16px 6px;
    font: 500 13px/1 var(--sans);
    -webkit-overflow-scrolling: touch;
  }
  .mtabs > button, .mtabs > span {
    flex: none;
    background: none;
    border: none;
    padding: 8px 9px;
    color: var(--kd-ink-2);
    border-bottom: 1.5px solid transparent;
    cursor: pointer;
    font: inherit;
  }
  .mtabs > button.on, .mtabs > span.on {
    color: var(--kd-ink);
    border-bottom-color: var(--kd-ai);
  }
}

/* Zoom return button */
.zoom-reset-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  padding: 4px 10px;
  border: 1px solid var(--kd-line-strong);
  background: var(--kd-surface);
  color: var(--kd-ink);
  cursor: pointer;
  margin-left: 12px;
}

/* ---------------- Drawer (.kd-drawer) ---------------- */
.kd-drawer, .drawer {
  position: relative;
  background: var(--kd-surface);
  border-top: 1.5px solid var(--kd-ai);
  width: 100%;
  margin: 0 auto;
}

.drawer-in {
  max-width: var(--content-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0 32px;
  padding: 30px var(--gut) 0;
}

@media (max-width: 767px) {
  .drawer-in {
    display: block;
    padding: 22px 16px 0;
  }
}

.d-date { grid-column: span 4; }
.d-kv { grid-column: span 4; }
.d-why { grid-column: span 4; }

.d-eyebrow {
  font-size: 12px;
  color: var(--kd-ink-2);
  letter-spacing: .05em;
  display: flex;
  gap: 10px;
  align-items: center;
}

.disp {
  display: flex;
  align-items: baseline;
  gap: 2px;
  margin: 10px 0 0;
  line-height: 1;
  white-space: nowrap;
}

.disp .n {
  font: 500 64px/1 var(--inter) !important;
  letter-spacing: -.02em;
}

.disp .u {
  font: 500 24px/1 var(--sans);
  margin: 0 6px 0 3px;
  color: var(--kd-ink);
}

.disp .w {
  font: 400 20px/1 var(--sans);
  color: var(--kd-ink-2);
  margin-left: 4px;
}

@media (max-width: 767px) {
  .disp .n { font-size: 44px !important; }
  .disp .u { font-size: 19px; margin: 0 4px 0 2px; }
  .disp .w { font-size: 16px; }
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.tag, .kd-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 30px;
  padding: 0 11px 0 9px;
  border: 1px solid var(--kd-line-strong);
  font-size: 13.5px;
  line-height: 1;
  color: var(--kd-ink);
  background: var(--kd-surface);
}

/* Key-value DL */
.kv {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0;
  border-top: 1px solid var(--kd-line);
}

.kv > div {
  display: contents;
}

.kv dt {
  font-size: 13px;
  color: var(--kd-ink-2);
  padding: 9px 20px 9px 0;
  border-bottom: 1px solid var(--kd-line);
  white-space: nowrap;
}

.kv dd {
  font-size: 15px;
  padding: 9px 0;
  border-bottom: 1px solid var(--kd-line);
}

.kv dd .hant {
  font-size: 16px;
}

.d-next {
  margin-top: 14px;
  font-size: 13px;
  color: var(--kd-ink-2);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.d-next b {
  font-weight: 500;
  color: var(--kd-ink);
}

.d-links {
  display: flex;
  gap: 22px;
  font-size: 13.5px;
  padding: 18px 0 0;
}

/* Drawer CTA Row */
.cta-row {
  grid-column: 1 / -1;
  margin-top: 28px;
  border-top: 1px solid var(--kd-line);
  padding: 16px 0 22px;
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: 4px 16px;
  align-items: center;
}

@media (max-width: 767px) {
  .cta-row {
    grid-template-columns: 40px 1fr;
    padding: 14px 0 18px;
    margin-top: 22px;
  }
  .cta-row .btn {
    grid-column: 1 / -1;
    margin-top: 12px;
    width: 100%;
  }
}

.cta-lbl {
  grid-column: 1 / -1;
  font-size: 11.5px;
  color: var(--kd-ink-2);
  letter-spacing: .04em;
  margin-bottom: 6px;
}

.tile {
  width: 40px;
  height: 40px;
  display: block;
}

.cta-line {
  font-size: 13.5px;
  color: var(--kd-ink-2);
  line-height: 1.5;
}

.cta-line b {
  display: block;
  font-weight: 500;
  color: var(--kd-ink);
  font-size: 14px;
}

/* Why details & Ledger */
.why {
  border-top: 1px solid var(--kd-line);
  grid-column: 1 / -1;
  margin-top: 24px;
}

.why summary, .why-sum {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
}

.why summary::-webkit-details-marker {
  display: none;
}

.why-sum .chev {
  font: 400 14px var(--inter);
  color: var(--kd-ink-2);
  width: 12px;
}

.why-sum .eq {
  margin-left: auto;
  font-size: 12.5px;
  color: var(--kd-ink-2);
  font-weight: 400;
}

/* ---------------- Ledger (.kd-ledger) ---------------- */
.kd-ledger, .ledger {
  display: grid;
  grid-template-columns: auto 1fr auto;
  border-top: 1px solid var(--kd-line);
  margin: 0;
}

.kd-ledger > div, .ledger > div {
  display: contents;
}

.kd-ledger dt, .ledger dt {
  font-size: 12.5px;
  color: var(--kd-ink-2);
  padding: 10px 18px 10px 0;
  border-bottom: 1px solid var(--kd-line);
  white-space: nowrap;
}

.kd-ledger dd, .ledger dd {
  font-size: 14.5px;
  padding: 10px 16px 10px 0;
  border-bottom: 1px solid var(--kd-line);
}

.kd-ledger dd code, .ledger dd code {
  font: 500 12px var(--inter);
  font-feature-settings: "tnum" 1;
  color: var(--kd-ai);
  background: var(--kd-ai-tint);
  padding: 2px 5px;
  margin-right: 6px;
}

.kd-ledger .mr, .ledger .mr {
  padding: 5px 0;
  border-bottom: 1px solid var(--kd-line);
  display: flex;
  align-items: center;
}

.kd-ledger .res dt, .kd-ledger .res dd, .kd-ledger .res .mr,
.ledger .res dt, .ledger .res dd, .ledger .res .mr {
  border-bottom: 0;
  background: var(--kd-ai-tint);
}

.kd-ledger .res dt, .ledger .res dt {
  border-left: 3px solid var(--kd-ai);
  padding-left: 12px;
}

.kd-ledger .res dd, .ledger .res dd {
  font-weight: 600;
}

@media (max-width: 767px) {
  .kd-ledger, .ledger {
    grid-template-columns: auto 1fr;
  }
  .kd-ledger .mr, .ledger .mr {
    grid-column: 1 / -1;
    padding: 2px 0 8px;
    border-bottom: 1px solid var(--kd-line);
  }
  .kd-ledger dt, .ledger dt, .kd-ledger dd, .ledger dd {
    border-bottom: 0;
  }
}

/* ---------------- Grid (.kd-grid, .tbl, .tg-tbl) ---------------- */
.kd-grid {
  width: 100%;
  overflow-x: auto;
}

.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--kd-surface);
}

.tbl caption {
  text-align: left;
  font: 600 17px/1.4 var(--mincho);
  padding: 0 0 12px;
  letter-spacing: .03em;
}

.tbl th {
  font-size: 12px;
  font-weight: 500;
  color: var(--kd-ink-2);
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1.5px solid var(--kd-line-strong);
  background: var(--kd-bg);
  white-space: nowrap;
}

.tbl td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--kd-line);
  white-space: nowrap;
}

.tbl td.n, .tbl th.n {
  text-align: right;
}

.tbl tr.we td {
  background: var(--kd-surface-2);
}

.tbl tr.sel td {
  background: var(--kd-ai-tint);
}

.tbl tr.sel td:first-child {
  border-left: 3px solid var(--kd-ai);
}

/* 8x8 Trigram Grid */
.tg-tbl {
  width: 100%;
  border-collapse: collapse;
  background: var(--kd-surface);
}

.tg-tbl th {
  font-weight: 400;
  padding: 8px 6px;
  vertical-align: middle;
  background: var(--kd-bg);
}

.tg-tbl thead th {
  border-bottom: 1.5px solid var(--kd-line-strong);
}

.tg-tbl tbody th {
  border-right: 1.5px solid var(--kd-line-strong);
  text-align: left;
  padding-right: 12px;
}

.tg-tbl td {
  border: 1px solid var(--kd-line);
  text-align: center;
  padding: 9px 4px 7px;
  width: 80px;
  cursor: pointer;
  transition: background var(--kd-dur-fast) ease;
}

.tg-tbl td .num {
  display: block;
  font-size: 11.5px;
  color: var(--kd-ink-2);
  margin-top: 4px;
}

.tg-tbl td.hl, .tg-tbl td:hover {
  background: var(--kd-ai-tint);
  outline: 1.5px solid var(--kd-ai);
  outline-offset: -1.5px;
}

.tg-tbl td.hl .num {
  color: var(--kd-ai);
  font-weight: 600;
}

.tg-h {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  line-height: 1.1;
  color: var(--kd-ink-2);
}

.tg-h b {
  font: 500 15px/1 var(--mincho);
  color: var(--kd-ink);
}

.tg-rh {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--kd-ink-2);
  white-space: nowrap;
}

.tg-rh b {
  font: 500 15px/1 var(--mincho);
  color: var(--kd-ink);
}

.tg-axis {
  font: 500 11px/1 var(--inter);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--kd-ink-2);
}

/* ---------------- Hexagram Glyph (.hexg) ---------------- */
.hexg {
  display: block;
  overflow: visible;
}

.trig {
  display: inline-block;
  vertical-align: middle;
}

/* ---------------- Coins (.kd-coins) ---------------- */
.coins-row {
  display: flex;
  gap: 22px;
  align-items: center;
}

.coin-svg {
  display: block;
}
@keyframes kd-coin-flip {
  0% { transform: rotateY(0deg) scale(1); }
  50% { transform: rotateY(180deg) scale(1.12); }
  100% { transform: rotateY(360deg) scale(1); }
}
.coin-svg.flipping {
  animation: kd-coin-flip 700ms cubic-bezier(.4, 0, .2, 1);
}
@media (prefers-reduced-motion: reduce) {
  .coin-svg.flipping {
    animation: none;
  }
}

.coin { fill: var(--kd-surface); stroke: var(--kd-ink); stroke-width: 1.5; }
.coin-rim { fill: none; stroke: var(--kd-line-strong); stroke-width: 1; }
.coin-hole { fill: var(--kd-bg); stroke: var(--kd-ink); stroke-width: 1.5; }
.coin-ins { fill: var(--kd-ink); }

/* ---------------- CTA Page-End (.pcta) ---------------- */
.pcta {
  max-width: var(--content-max);
  margin: 80px auto 0;
  background: var(--kd-surface-2);
  border-top: 1.5px solid var(--kd-line-strong);
  padding: 24px 28px 26px;
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 6px 20px;
  align-items: center;
  width: 100%;
  box-sizing: border-box;
}

.pcta .tile {
  width: 48px;
  height: 48px;
}

.pcta .cta-line b {
  font: 600 17px/1.4 var(--mincho);
}

html[lang="en"] .pcta .cta-line b {
  font: 500 19px/1.3 var(--news);
}

@media (max-width: 767px) {
  .pcta {
    margin: 56px 16px 0;
    max-width: calc(100% - 32px);
    width: calc(100% - 32px);
    grid-template-columns: 44px 1fr;
    padding: 20px 16px;
  }
  .pcta .tile {
    width: 44px;
    height: 44px;
  }
  .pcta .btn {
    grid-column: 1 / -1;
    margin-top: 10px;
    width: 100%;
  }
}

/* ---------------- Hero Sections ---------------- */
.heroA {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 48px;
  align-items: end;
  padding-top: 48px;
  padding-bottom: 28px;
}

@media (max-width: 767px) {
  .heroA {
    display: block;
    padding-top: 28px;
    padding-bottom: 20px;
  }
}

/* ---------------- Sections below instrument ---------------- */
.sec {
  padding-top: 72px;
}

@media (max-width: 767px) {
  .sec {
    padding-top: 48px;
  }
}

.sec-hd {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 22px;
}

.cols3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
}

@media (max-width: 767px) {
  .cols3 {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

.ilist {
  list-style: none;
  border-top: 1.5px solid var(--kd-ink);
}

.ilist li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 16px;
  padding: 13px 0 12px;
  border-bottom: 1px solid var(--kd-line);
}

.ilist li a {
  font-size: 15px;
  font-weight: 500;
  color: var(--kd-ink) !important;
  text-decoration: none;
}

.ilist li a:hover {
  color: var(--kd-ai) !important;
  text-decoration: underline;
}

.ilist li .d {
  grid-column: 1 / 2;
  font-size: 13px;
  color: var(--kd-ink-2);
  line-height: 1.6;
}

.ilist li .m2 {
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: start;
  font-size: 12.5px;
  color: var(--kd-ink-2);
  padding-top: 3px;
  white-space: nowrap;
}

.grp-ttl {
  font-size: 12.5px;
  color: var(--kd-ink-2);
  letter-spacing: .06em;
  margin-bottom: 10px;
}

html[lang="en"] .grp-ttl {
  text-transform: uppercase;
  font-size: 11.5px;
  letter-spacing: .08em;
  font-weight: 500;
}

.prose {
  font-size: 15.5px;
  line-height: 1.95;
  max-width: 38em;
}

html[lang="en"] .prose {
  font-family: var(--news);
  font-size: 18px;
  line-height: 1.6;
  max-width: 36em;
}

.policy {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--kd-line);
}

html[lang="en"] .policy {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.policy > div {
  padding: 18px 24px 18px 0;
}

.policy > div + div {
  padding-left: 24px;
  border-left: 1px solid var(--kd-line);
}

.policy b {
  display: block;
  font-size: 14.5px;
  font-weight: 600;
  margin-bottom: 6px;
}

.policy p {
  font-size: 13.5px;
  color: var(--kd-ink-2);
  line-height: 1.75;
}

@media (max-width: 767px) {
  .policy {
    grid-template-columns: 1fr !important;
  }
  .policy > div {
    padding: 14px 0;
    border-left: 0 !important;
    border-bottom: 1px solid var(--kd-line);
  }
  .policy > div + div {
    padding-left: 0;
  }
}

/* States */
.st-empty {
  border: 1px dashed var(--kd-line-strong);
  padding: 22px 24px;
  font-size: 14px;
  color: var(--kd-ink-2);
  background: var(--kd-surface);
}

.st-err {
  background: var(--kd-attn-bg);
  border-left: 3px solid var(--kd-kuri);
  padding: 16px 20px 16px 22px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
}

.st-err .tri {
  width: 0;
  height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-bottom: 12px solid var(--kd-kuri);
  margin-top: 5px;
  flex: none;
}

/* Component Kit Showcase Layout (.cs) */
.cs-top {
  display: flex;
  gap: 20px;
  align-items: center;
  margin-bottom: 28px;
}

.cs-blk {
  border-top: 1.5px solid var(--kd-ink);
  padding: 24px 0 44px;
  min-width: 0;
  max-width: 100%;
}

.cs-hd {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 22px;
}

.cs-hd h3 {
  font: 600 18px/1.3 var(--mincho);
  letter-spacing: .03em;
}

.cs-hd span {
  font-size: 12.5px;
  color: var(--kd-ink-2);
}

.cs-rule {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--kd-line);
  align-items: center;
  min-width: 0;
  max-width: 100%;
}

@media (max-width: 767px) {
  .cs-rule {
    grid-template-columns: 1fr;
  }
}

.cs-rule > div {
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
}

.cs-rn b {
  display: block;
  font: 500 13px/1.3 var(--inter);
  font-feature-settings: "tnum" 1;
}

.cs-rn span {
  display: block;
  font-size: 12px;
  color: var(--kd-ink-2);
  line-height: 1.5;
  margin-top: 3px;
}

.cs-marks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px 32px;
}

.cs-marks div {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
}

.cs-marks span {
  color: var(--kd-ink-2);
  font-size: 12.5px;
}

.cs-curs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.cs-cur span, .cs-hex span, .cs-lbl {
  display: block;
  font-size: 12px;
  color: var(--kd-ink-2);
  margin-top: 8px;
}

.cs-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.cs-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.cs-hex {
  display: flex;
  gap: 24px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.cs-tok {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px 24px;
}

.cs-tok div {
  display: grid;
  grid-template-columns: 28px 28px 1fr;
  gap: 4px 8px;
  align-items: center;
}

.cs-tok i {
  display: block;
  width: 28px;
  height: 28px;
  border: 1px solid var(--kd-line);
}

.cs-tok b {
  font: 500 12px var(--inter);
  grid-column: 3;
  grid-row: 1;
}

.cs-tok span {
  grid-column: 3;
  font: 400 11px var(--inter);
  color: var(--kd-ink-2);
}

.cs-type {
  display: flex;
  flex-direction: column;
  gap: 22px;
  min-width: 0;
  max-width: 100%;
  word-break: break-word;
}

.cs-type span {
  display: block;
  font: 400 11.5px var(--inter);
  color: var(--kd-ink-2);
  margin-bottom: 6px;
}

@media (max-width: 767px) {
  .cs-marks, .cs-curs, .cs-3, .cs-2, .cs-tok {
    grid-template-columns: 1fr !important;
  }
}

.cs-404 {
  overflow-x: auto;
  max-width: 100%;
}
.cs-404 svg {
  max-width: 100%;
  height: auto;
}

/* ---------------- I Ching & Classic Block Components ---------------- */
.classic {
  border-left: 1.5px solid var(--kd-line-strong);
  padding: 4px 0 4px 22px;
  margin: 16px 0;
}
.classic .cl-lbl {
  font: 500 11.5px/1.4 var(--inter);
  color: var(--kd-ink-2);
  letter-spacing: .02em;
  margin-bottom: 10px;
  display: block;
}
.classic .orig {
  font: 500 22px/1.6 var(--mincho);
  letter-spacing: .06em;
  color: var(--kd-ink);
  display: block;
}
.classic .tr {
  font: 400 16px/1.7 var(--news), var(--sans);
  margin-top: 8px;
  color: var(--kd-ink);
}
html[lang="en"] .classic .tr {
  font-family: var(--news);
  font-style: italic;
  font-size: 17.5px;
  line-height: 1.6;
}
.classic .src {
  font-size: 12px;
  color: var(--kd-ink-2);
  margin-top: 10px;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--kd-line);
}
.tabs span, .tabs a, .tabs button {
  padding: 12px 18px 11px;
  font-size: 14.5px;
  color: var(--kd-ink-2);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  text-decoration: none;
  cursor: pointer;
  background: transparent;
  border-top: 0;
  border-left: 0;
  border-right: 0;
  font-family: inherit;
}
.tabs span.on, .tabs a.on, .tabs button.on {
  color: var(--kd-ink);
  border-bottom-color: var(--kd-ai);
  font-weight: 500;
}

/* Cast Layout */
.cast {
  display: grid;
  grid-template-columns: 300px minmax(0, .9fr) minmax(0, 1.2fr);
  gap: 48px;
  padding: 36px 0 0;
  align-items: start;
}
.cast .hexg {
  margin-top: 18px;
}
.coin-sum {
  font-size: 16px;
  margin-top: 20px;
  color: var(--kd-ink);
}
.coin-sum .n {
  font-size: 22px;
  font-weight: 500;
}
.pair {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: 4px;
}
.pair > div {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}
.pair .n {
  font: 500 56px/1 var(--inter);
  letter-spacing: -.02em;
}
.pair .dim .n {
  color: var(--kd-ink-2);
}
.pair .arr {
  font: 400 28px var(--inter);
  color: var(--kd-ink-2);
  margin-top: 36px;
}
.off2 {
  position: absolute;
  left: 8px;
  top: 0;
  font: 500 12px/20px var(--inter);
  color: var(--kd-ai);
  border: 1px dashed var(--kd-ai);
  padding: 0 6px;
  background: var(--kd-bg);
}

/* Hexagram Head & Body */
.hx-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 48px;
  align-items: center;
  padding-top: 36px;
}
.hx-h1 {
  margin-top: 10px;
}
.hx-h1 .hant {
  font-size: 46px;
  margin-right: 10px;
  font-weight: 600;
}
.hx-tri {
  margin-top: 10px;
  font-size: 15px;
  color: var(--kd-ink);
}
.hx-tri .hant {
  font-size: 16px;
  font-weight: 600;
}
.nb {
  font-size: 13.5px;
  color: var(--kd-ink) !important;
  text-decoration: none !important;
  font-weight: 500;
}
.nb:hover {
  color: var(--kd-ai) !important;
  text-decoration: underline !important;
}
.hx-body {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 64px;
  padding-top: 48px;
}
.chg {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.chg .hexg {
  display: inline-block;
}
.chg .op {
  color: var(--kd-ink-2);
  font-size: 14px;
}
.tgmini {
  display: block;
}

/* Breadcrumbs */
.crumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--kd-ink-2);
  padding-top: 16px;
}
.crumb a {
  color: var(--kd-ink-2) !important;
  text-decoration: none;
}
.crumb a:hover {
  color: var(--kd-ai) !important;
  text-decoration: underline;
}
.crumb span {
  color: var(--kd-line-strong);
}

/* Hexagram Directory Cards */
.hx-grid-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.hx-card {
  border: 1px solid var(--kd-line);
  background: var(--kd-surface);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--kd-dur-fast) ease;
}
.hx-card:hover {
  border-color: var(--kd-ai);
}
.hx-card-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.hx-card-num {
  font: 500 15px var(--inter);
  color: var(--kd-ink-2);
}
.hx-card-title {
  font: 600 18px/1.3 var(--mincho);
  color: var(--kd-ink);
}
html[lang="en"] .hx-card-title {
  font-family: var(--news);
  font-size: 19px;
}
.hx-card-tri {
  font-size: 12.5px;
  color: var(--kd-ink-2);
}
.hx-card-theme {
  font-size: 13px;
  color: var(--kd-ink-2);
  line-height: 1.5;
  margin-top: auto;
}

@media (max-width: 1024px) {
  .hx-grid-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767px) {
  .cast {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 20px 0 0;
  }
  .hx-head {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-top: 20px;
  }
  .hx-h1 .hant {
    font-size: 34px;
  }
  .hx-body {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 32px;
  }
  .pair .n {
    font-size: 40px;
  }
  .pair .arr {
    margin-top: 26px;
  }
  .hx-grid-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* Tables wider than the screen scroll inside their box */
.tbl-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* 64 rule on phones: a 1536px strip that scrolls under a fixed header (07 §6.2) */
@media (max-width: 767px) {
  .kd-rule__strip {
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
  }
  .kd-rule__strip::-webkit-scrollbar { display: none; }
  .kd-rule__strip svg.rule {
    width: 1536px;
    max-width: none;
  }
}

/* Hexagram page aside: the CTA stacks (icon + line, then button) */
.hx-body aside .cta-row {
  grid-template-columns: 40px minmax(0, 1fr);
}
.hx-body aside .cta-row .btn {
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: 12px;
  white-space: normal;
  text-align: left;
}
@media (max-width: 767px) {
  .hx-body aside .cta-row .btn { justify-self: stretch; text-align: center; }
}
.classic .note {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--kd-ink-2);
  margin-top: 8px;
}

/* Cast bench */
.cast .btns {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
}
.cast .btn[disabled] { opacity: .45; cursor: default; }
.cast .btn[hidden] { display: none; }
.cast-note {
  font-size: 13px;
  line-height: 1.6;
  margin-top: 22px;
  max-width: 32em;
}
.cast-desc {
  font-size: 14.5px;
  line-height: 1.65;
  margin-top: 14px;
  max-width: 34em;
}
#time-facts { margin-top: 18px; }
#time-facts dd { font-size: 14px; }
.cast-example { margin-top: 44px; }
.cast-example-links { font-size: 13.5px; padding: 12px 0 0; }
.st-note {
  font-size: 13.5px;
  color: var(--kd-ink-2);
  border-left: 3px solid var(--kd-line-strong);
  padding: 6px 0 6px 12px;
  margin-bottom: 18px;
}
.g-next { stroke: var(--kd-ai); }
.cast-res { padding-top: 44px; }
.cast-res-fig { margin-top: 22px; }
.cast-res-fig .inst-hd { flex-direction: row; align-items: flex-end; }
.cast-drawer { margin-top: -1px; }
.fact {
  font: 400 19px/1.45 var(--news), var(--sans);
  color: var(--kd-ink);
}
html[lang^="zh"] .fact { font: 500 17px/1.6 var(--mincho); }
.cast-link-note { font-size: 13px; margin-top: 10px; }
.cast-classics { grid-column: 1 / -1; margin-top: 26px; }
.linkbtn {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  color: var(--kd-ai);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}
.cast-drawer .d-links { flex-wrap: wrap; }

/* Motion: line expands from the left, ledger value is written in (07 §5.6, §7.2) */
@keyframes kd-line-open { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes kd-write { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
.ln-open {
  transform-box: fill-box;
  transform-origin: left center;
  animation: kd-line-open var(--kd-dur) var(--kd-ease-open) both;
}
.kd-write { animation: kd-write var(--kd-dur-fast) linear both; }
@media (prefers-reduced-motion: reduce) {
  .ln-open, .kd-write { animation: none; }
}

@media (max-width: 767px) {
  .cast-res-fig .inst-hd { flex-direction: row; }
  .fact { font-size: 17px; }
  .cast-drawer .d-why { margin-top: 18px; }
  .cast-drawer .d-kv { margin-top: 22px; }
}

/* Buttons never push the page wider than the viewport (long labels wrap on phones). */
@media (max-width: 767px) {
  .btn { max-width: 100%; white-space: normal; text-align: center; }
}