.oracle-eyebrow,
.oracle-label,
.oracle-field__label,
.oracle-ledger th,
.oracle-plate th,
.oracle-pillars__key,
.oracle-derived__key {
  color: #b8935a;
  font-family: "SF Mono", "JetBrains Mono", "Roboto Mono", ui-monospace, monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.oracle-app {
  --oracle-bg: #faf6eb;
  --oracle-bg-2: #f5efe0;
  --oracle-bg-3: #e8d9b8;
  --oracle-white: #ffffff;
  --oracle-amber: #c9a961;
  --oracle-camel: #b8935a;
  --oracle-umber: #8b6f47;
  --oracle-ink: #2c2a26;
  --oracle-line: #bab7b0;
  --oracle-indigo: #1e3a5f;
  --oracle-serif: "Noto Serif TC", "Source Han Serif TC", "Songti TC", "STSong", "PMingLiU", serif;
  --oracle-sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, -apple-system, sans-serif;
  --oracle-mono: "SF Mono", "JetBrains Mono", "Roboto Mono", ui-monospace, monospace;
  color: var(--oracle-ink);
  font-family: var(--oracle-sans);
  line-height: 1.65;
}

.oracle-app [hidden] {
  display: none !important;
}

.oracle-intro {
  padding: 44px 0 26px;
  border-bottom: 0.5px solid var(--oracle-line);
  margin-bottom: 30px;
}

.oracle-eyebrow {
  margin: 0 0 14px;
  font-size: 10.5px;
  letter-spacing: 0.24em;
}

.oracle-rule {
  width: 44px;
  height: 2px;
  margin-bottom: 16px;
  background: var(--oracle-amber);
}

.oracle-app h1,
.oracle-app h2,
.oracle-app h3 {
  font-family: var(--oracle-serif);
}

.oracle-app h1 {
  margin: 0;
  font-size: clamp(30px, 6vw, 44px);
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1.2;
}

.oracle-subtitle {
  max-width: 50ch;
  margin: 10px 0 0;
  color: var(--oracle-umber);
  font-size: 13.5px;
}

.oracle-section {
  margin: 0 0 34px;
}

.oracle-label {
  margin: 0 0 10px;
  font-size: 10px;
  letter-spacing: 0.2em;
}

.oracle-card {
  padding: 22px;
  border: 0.5px solid var(--oracle-line);
  background: var(--oracle-white);
}

.oracle-card--tint {
  background: var(--oracle-bg-2);
}

.oracle-card--scroll {
  overflow-x: auto;
}

.oracle-fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 8px 26px;
}

.oracle-field__label {
  display: block;
  margin-top: 0;
  font-size: 9.5px;
}

.oracle-app input[type="text"],
.oracle-app input[type="datetime-local"],
.oracle-app select {
  width: 100%;
  border: 0;
  border-bottom: 0.5px solid var(--oracle-line);
  border-radius: 0;
  outline: none;
  padding: 9px 0;
  background: transparent;
  color: var(--oracle-ink);
  font: 15px var(--oracle-sans);
}

.oracle-app input:focus,
.oracle-app select:focus {
  border-bottom-color: var(--oracle-amber);
}

.oracle-app input::placeholder {
  color: #b9b3a6;
}

.oracle-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 20px;
  border: 0.5px solid var(--oracle-line);
  background: var(--oracle-line);
}

.oracle-pillar {
  padding: 12px 8px;
  background: var(--oracle-bg-2);
  text-align: center;
}

.oracle-pillars__key {
  font-size: 9px;
}

.oracle-pillars__value {
  margin-top: 4px;
  font: clamp(16px, 4vw, 20px) var(--oracle-serif);
  letter-spacing: 0.1em;
}

.oracle-kong {
  margin: 12px 0 0;
  color: var(--oracle-umber);
  font: 11.5px var(--oracle-mono);
  letter-spacing: 0.06em;
}

.oracle-warning {
  margin: 10px 0 0;
  border-left: 2px solid var(--oracle-indigo);
  padding-left: 11px;
  color: var(--oracle-indigo);
  font-size: 12px;
  line-height: 1.6;
}

.oracle-stage {
  display: flex;
  justify-content: center;
  gap: clamp(14px, 5vw, 38px);
  padding: 30px 0 22px;
}

.oracle-coin {
  width: clamp(74px, 20vw, 96px);
  margin: 0;
  perspective: 900px;
  text-align: center;
}

.oracle-coin__flipper {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  transform-style: preserve-3d;
  transition: transform 0.95s cubic-bezier(0.24, 0.9, 0.28, 1);
}

.oracle-coin__side {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
}

.oracle-coin__side--mu {
  transform: rotateY(180deg);
}

.oracle-coin__svg {
  display: block;
  width: 100%;
  height: 100%;
}

.oracle-coin__body--zi {
  fill: var(--oracle-bg-3);
  stroke: var(--oracle-umber);
  stroke-width: 1;
}

.oracle-coin__body--mu {
  fill: var(--oracle-bg-2);
  stroke: var(--oracle-umber);
  stroke-width: 1;
}

.oracle-coin__rim {
  fill: none;
  stroke: var(--oracle-umber);
  stroke-width: 0.5;
  opacity: 0.55;
}

.oracle-coin__hole {
  fill: var(--oracle-bg);
  stroke: var(--oracle-umber);
  stroke-width: 1;
}

.oracle-coin__tick {
  stroke: var(--oracle-umber);
  stroke-width: 1.4;
}

.oracle-coin__character {
  fill: var(--oracle-ink);
  dominant-baseline: middle;
  font-family: var(--oracle-serif);
  font-size: 15px;
  font-weight: 600;
  text-anchor: middle;
}

.oracle-coin__caption {
  display: block;
  margin-top: 11px;
  color: var(--oracle-umber);
  font: 13px var(--oracle-serif);
  letter-spacing: 0.16em;
}

.oracle-coin--pending .oracle-coin__caption {
  color: #c4bdae;
}

.oracle-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.oracle-actions--center {
  justify-content: center;
}

.oracle-actions--history {
  margin-top: 16px;
}

.oracle-button {
  border: 0.5px solid var(--oracle-umber);
  border-radius: 0;
  padding: 11px 22px;
  background: transparent;
  color: var(--oracle-umber);
  cursor: pointer;
  font: 13.5px var(--oracle-sans);
  letter-spacing: 0.04em;
  transition: background 0.18s;
}

.oracle-button:hover:not(:disabled) {
  background: var(--oracle-bg-3);
}

.oracle-button:focus-visible,
.oracle-app input:focus-visible,
.oracle-app select:focus-visible,
.oracle-app summary:focus-visible {
  outline: 2px solid var(--oracle-indigo);
  outline-offset: 2px;
}

.oracle-button--primary {
  border-color: var(--oracle-ink);
  background: var(--oracle-ink);
  color: var(--oracle-bg);
}

.oracle-button--primary:hover:not(:disabled) {
  border-color: var(--oracle-umber);
  background: var(--oracle-umber);
}

.oracle-button:disabled {
  cursor: not-allowed;
  opacity: 0.32;
}

.oracle-status,
.oracle-feedback {
  min-height: 1.6em;
  margin: 14px 0 0;
  color: var(--oracle-camel);
  font: 12px var(--oracle-mono);
  letter-spacing: 0.05em;
  text-align: center;
}

.oracle-feedback {
  color: var(--oracle-umber);
  text-align: left;
}

.oracle-feedback--error {
  color: var(--oracle-indigo);
}

.oracle-ledger,
.oracle-plate {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.oracle-ledger th,
.oracle-plate th {
  border-bottom: 0.5px solid var(--oracle-line);
  padding: 0 8px 9px 0;
  font-size: 9.5px;
  font-weight: 400;
  text-align: left;
  white-space: nowrap;
}

.oracle-ledger td {
  border-bottom: 0.5px solid #e6e1d4;
  padding: 11px 8px 11px 0;
  vertical-align: middle;
}

.oracle-ledger__number,
.oracle-plate__position {
  font-family: var(--oracle-mono);
  font-variant-numeric: tabular-nums;
}

.oracle-ledger__sign,
.oracle-plate__god,
.oracle-plate__relative,
.oracle-plate__hidden,
.oracle-plate__changed {
  font-family: var(--oracle-serif);
}

.oracle-ledger__moving {
  color: var(--oracle-umber);
  font-weight: 600;
}

.oracle-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 7px;
  border-radius: 50%;
  background: var(--oracle-amber);
  vertical-align: middle;
}

.oracle-mini-line {
  display: inline-block;
  width: 56px;
  height: 6px;
  vertical-align: middle;
}

.oracle-mini-line--solid {
  background: var(--oracle-ink);
}

.oracle-mini-line--broken {
  background: linear-gradient(90deg, var(--oracle-ink) 0 22px, transparent 22px 34px, var(--oracle-ink) 34px 56px);
}

.oracle-pair {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: clamp(10px, 3vw, 26px);
  align-items: center;
}

.oracle-gua {
  text-align: center;
}

.oracle-gua__cap {
  margin-bottom: 14px;
  color: var(--oracle-camel);
  font: 9.5px var(--oracle-mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.oracle-gua__lines {
  display: flex;
  flex-direction: column-reverse;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
}

.oracle-gua__line {
  position: relative;
  display: flex;
  width: 120px;
  align-items: center;
  justify-content: center;
  --oracle-stroke: var(--oracle-ink);
}

.oracle-gua__line--moving {
  --oracle-stroke: var(--oracle-amber);
}

.oracle-gua__bar {
  width: 120px;
  height: 9px;
}

.oracle-gua__line--yang .oracle-gua__bar {
  background: var(--oracle-stroke);
}

.oracle-gua__line--yin .oracle-gua__bar {
  background: linear-gradient(90deg, var(--oracle-stroke) 0 48px, transparent 48px 72px, var(--oracle-stroke) 72px 120px);
}

.oracle-gua__mark {
  position: absolute;
  right: -20px;
  color: var(--oracle-umber);
  font: 12px var(--oracle-mono);
}

.oracle-gua__name {
  font: clamp(19px, 4.4vw, 25px) var(--oracle-serif);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.35;
}

.oracle-gua__meta {
  margin-top: 6px;
  color: var(--oracle-camel);
  font: 10.5px var(--oracle-mono);
  letter-spacing: 0.13em;
}

.oracle-arrow {
  color: var(--oracle-camel);
  font: 12px var(--oracle-mono);
  letter-spacing: 0.1em;
  writing-mode: vertical-rl;
  text-orientation: upright;
}

.oracle-verdict {
  margin-top: 20px;
  border-top: 0.5px solid var(--oracle-line);
  padding-top: 18px;
  color: var(--oracle-umber);
  font-size: 13.5px;
  text-align: center;
}

.oracle-verdict b {
  color: var(--oracle-ink);
  font-weight: 600;
}

.oracle-result-actions {
  margin-top: 20px;
  justify-content: center;
}

.oracle-plate {
  min-width: 700px;
  font-size: 13px;
}

.oracle-plate th {
  border-bottom: 0.5px solid var(--oracle-line);
  padding: 14px 10px 9px;
  background: var(--oracle-bg-2);
  letter-spacing: 0.14em;
}

.oracle-plate td {
  border-bottom: 0.5px solid #e6e1d4;
  padding: 12px 10px;
  vertical-align: middle;
  white-space: nowrap;
}

.oracle-plate tr:last-child td {
  border-bottom: none;
}

.oracle-plate tr.oracle-plate__active {
  background: #fcfaf3;
}

.oracle-plate__position {
  color: var(--oracle-camel);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.oracle-plate__god,
.oracle-plate__hidden,
.oracle-plate__changed {
  color: var(--oracle-camel);
}

.oracle-plate__relative--selected {
  border-bottom: 2px solid var(--oracle-amber);
  padding-bottom: 1px;
  color: var(--oracle-umber);
  font-weight: 600;
}

.oracle-plate__symbol {
  font: 13px var(--oracle-mono);
  letter-spacing: 0.04em;
}

.oracle-plate__role {
  color: var(--oracle-umber);
  font: 14px var(--oracle-serif);
  letter-spacing: 0.1em;
}

.oracle-chip {
  display: inline-block;
  margin: 0 0 0 5px;
  border: 0.5px solid var(--oracle-camel);
  padding: 1px 5px;
  color: var(--oracle-umber);
  font: 9.5px var(--oracle-mono);
  letter-spacing: 0.08em;
  vertical-align: middle;
}

.oracle-chip--hot {
  border-color: var(--oracle-amber);
  background: var(--oracle-bg-3);
}

.oracle-chip--cool {
  border-color: var(--oracle-line);
  color: var(--oracle-camel);
}

.oracle-note,
.oracle-privacy,
.oracle-muted {
  color: var(--oracle-camel);
  font-size: 12.5px;
  line-height: 1.7;
}

.oracle-note {
  margin: 14px 0 0;
}

.oracle-privacy {
  margin: 14px 0 0;
}

.oracle-muted {
  margin: 0;
  font-size: 13px;
}

.oracle-derived {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--oracle-line);
}

.oracle-derived__cell {
  padding: 16px;
  background: var(--oracle-white);
}

.oracle-derived__key {
  font-size: 9.5px;
}

.oracle-derived__value {
  margin-top: 6px;
  font: 16px var(--oracle-serif);
  letter-spacing: 0.05em;
}

.oracle-derived__detail {
  margin-top: 3px;
  color: var(--oracle-camel);
  font-size: 11.5px;
}

.oracle-record {
  border-bottom: 0.5px solid var(--oracle-line);
  padding: 15px 0;
}

.oracle-record:last-child {
  border-bottom: none;
}

.oracle-record__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.oracle-record__question {
  color: var(--oracle-ink);
  font: 15px var(--oracle-serif);
  letter-spacing: 0.03em;
}

.oracle-record__time,
.oracle-record__body {
  color: var(--oracle-camel);
  font: 10.5px var(--oracle-mono);
}

.oracle-record__time {
  white-space: nowrap;
}

.oracle-record__body {
  margin-top: 5px;
  color: var(--oracle-umber);
  font-size: 12.5px;
  letter-spacing: 0.03em;
}

.oracle-details {
  border-top: 0.5px solid var(--oracle-line);
  margin-top: 8px;
  padding-top: 16px;
}

.oracle-details summary {
  cursor: pointer;
  color: var(--oracle-camel);
  font: 10px var(--oracle-mono);
  letter-spacing: 0.2em;
  list-style: none;
  text-transform: uppercase;
}

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

.oracle-details summary::before {
  color: var(--oracle-amber);
  content: "+ ";
}

.oracle-details[open] summary::before {
  content: "− ";
}

.oracle-option {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  border-bottom: 0.5px solid #e6e1d4;
  padding: 13px 0;
  cursor: pointer;
  font-size: 13.5px;
}

.oracle-option:last-of-type {
  border-bottom: none;
}

.oracle-option input {
  width: auto;
  margin-top: 5px;
  accent-color: var(--oracle-umber);
}

.oracle-option__detail {
  display: block;
  margin-top: 2px;
  color: var(--oracle-camel);
  font-size: 12px;
}

@media (max-width: 640px) {
  .oracle-pair {
    grid-template-columns: 1fr;
  }

  .oracle-arrow {
    justify-self: center;
    writing-mode: horizontal-tb;
  }

  .oracle-record__top {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .oracle-coin__flipper,
  .oracle-button {
    transition: none;
  }
}