.ambient-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.ambient-layer--stars {
  z-index: -3;
  opacity: 0.48;
  background-image:
    radial-gradient(circle, rgba(242, 227, 186, 0.52) 0 1px, transparent 1.4px),
    radial-gradient(circle, rgba(127, 232, 225, 0.22) 0 1px, transparent 1.5px);
  background-position: 0 0, 28px 46px;
  background-size: 86px 86px, 128px 128px;
}

.ambient-layer--vignette {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.72), transparent 17%, transparent 83%, rgba(0, 0, 0, 0.72)),
    radial-gradient(ellipse at center, transparent 35%, rgba(0, 0, 0, 0.76) 100%);
}

.oracle-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
  padding: var(--safe-top) var(--safe-right) 12px var(--safe-left);
  border-bottom: 1px solid rgba(216, 188, 120, 0.18);
  background: linear-gradient(180deg, rgba(3, 2, 5, 0.96), rgba(3, 2, 5, 0.68));
  backdrop-filter: blur(16px);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--gold-300);
  text-decoration: none;
}

.brand-lockup__seal {
  display: grid;
  width: 38px;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--line-gold-strong);
  border-radius: 50%;
  box-shadow: inset 0 0 14px rgba(184, 138, 63, 0.2), var(--glow-gold);
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.brand-lockup__ja,
.brand-lockup__en {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-lockup__ja {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.12em;
}

.brand-lockup__en {
  color: var(--muted);
  font-family: var(--font-system);
  font-size: 0.56rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.system-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  color: var(--muted);
  font-family: var(--font-system);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
}

.system-indicator__light {
  width: 7px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--cyan-300);
  box-shadow: 0 0 12px rgba(127, 232, 225, 0.72);
}

.system-indicator--error .system-indicator__light {
  background: var(--crimson-500);
  box-shadow: 0 0 12px rgba(168, 59, 85, 0.72);
}

.oracle-shell {
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: 24px var(--safe-right) var(--safe-bottom) var(--safe-left);
}

.screen {
  min-height: calc(100dvh - 118px);
}

.screen--active {
  animation: screen-enter 620ms cubic-bezier(0.2, 0.75, 0.22, 1) both;
}

.intro-screen {
  display: grid;
  align-content: center;
  justify-items: center;
  text-align: center;
  padding: 34px 0 52px;
}

.intro-emblem {
  position: relative;
  width: min(62vw, 320px);
  margin-bottom: 20px;
  color: var(--gold-300);
  filter: drop-shadow(0 0 18px rgba(184, 138, 63, 0.26));
}

.intro-emblem::after {
  position: absolute;
  inset: 18%;
  content: "";
  border-radius: 50%;
  background: radial-gradient(circle, rgba(91, 42, 120, 0.35), transparent 66%);
  filter: blur(12px);
}

.intro-emblem svg {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  overflow: visible;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.2;
}

.eyebrow {
  margin-bottom: 10px;
  color: var(--gold-500);
  font-family: var(--font-system);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.intro-screen h1 {
  margin-bottom: 12px;
  color: var(--gold-100);
  font-size: clamp(2.6rem, 12vw, 5.8rem);
  line-height: 1.1;
  text-shadow: var(--glow-gold);
}

.intro-screen__lead {
  margin-bottom: 10px;
  color: var(--gold-300);
  font-family: var(--font-display);
  font-size: clamp(1rem, 4vw, 1.28rem);
  letter-spacing: 0.09em;
}

.intro-screen__body {
  max-width: 620px;
  margin-bottom: 30px;
  color: var(--muted);
}

.ritual-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 52px;
  min-width: min(100%, 280px);
  padding: 13px 24px;
  overflow: hidden;
  border: 1px solid var(--line-gold-strong);
  border-radius: 999px;
  color: var(--gold-100);
  background:
    linear-gradient(180deg, rgba(91, 42, 120, 0.58), rgba(18, 10, 27, 0.92)),
    var(--void-850);
  box-shadow:
    inset 0 0 0 1px rgba(242, 227, 186, 0.08),
    inset 0 -12px 28px rgba(0, 0, 0, 0.34),
    var(--glow-purple);
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.12em;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.ritual-button::before,
.ritual-button::after {
  position: absolute;
  top: 50%;
  width: 46px;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--gold-300));
}

.ritual-button::before {
  left: 8px;
}

.ritual-button::after {
  right: 8px;
  transform: rotate(180deg);
}

.ritual-button:hover:not(:disabled) {
  border-color: var(--gold-100);
  box-shadow: inset 0 0 20px rgba(184, 138, 63, 0.14), 0 0 32px rgba(91, 42, 120, 0.46);
  transform: translateY(-2px);
}

.ritual-button:active:not(:disabled) {
  transform: translateY(1px) scale(0.99);
}

.ritual-button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.ritual-button__glyph {
  color: var(--cyan-300);
  text-shadow: 0 0 12px rgba(127, 232, 225, 0.58);
}

.safety-note,
.phase-note {
  max-width: 640px;
  margin: 22px auto 0;
  color: rgba(185, 170, 139, 0.72);
  font-size: 0.75rem;
}

.screen-heading {
  max-width: 760px;
  margin: 20px auto 28px;
  text-align: center;
}

.screen-heading h2,
.ritual-preparation h2 {
  margin-bottom: 10px;
  color: var(--gold-100);
  font-size: clamp(2rem, 8vw, 3.7rem);
  line-height: 1.2;
  text-shadow: var(--glow-gold);
}

.screen-heading > p:last-child {
  color: var(--muted);
}

.spread-grid {
  display: grid;
  gap: 18px;
}

.spread-card {
  position: relative;
  min-width: 0;
}

.spread-card__button {
  position: relative;
  display: grid;
  width: 100%;
  min-height: 100%;
  padding: 22px 18px 20px;
  overflow: hidden;
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-lg);
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(36, 16, 54, 0.38), rgba(7, 5, 10, 0.94)),
    var(--panel);
  box-shadow: inset 0 0 0 1px rgba(242, 227, 186, 0.04), 0 18px 60px rgba(0, 0, 0, 0.36);
  cursor: pointer;
  text-align: center;
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.spread-card__button::before,
.spread-card__button::after {
  position: absolute;
  width: 52px;
  height: 52px;
  content: "";
  opacity: 0.55;
}

.spread-card__button::before {
  top: 9px;
  left: 9px;
  border-top: 1px solid var(--gold-300);
  border-left: 1px solid var(--gold-300);
  border-radius: 14px 0 0;
}

.spread-card__button::after {
  right: 9px;
  bottom: 9px;
  border-right: 1px solid var(--gold-300);
  border-bottom: 1px solid var(--gold-300);
  border-radius: 0 0 14px;
}

.spread-card__button:hover {
  z-index: 2;
  border-color: var(--line-gold-strong);
  box-shadow: inset 0 0 36px rgba(91, 42, 120, 0.18), 0 24px 72px rgba(0, 0, 0, 0.5), var(--glow-gold);
  transform: translateY(-4px);
}

.spread-card__count {
  color: var(--cyan-300);
  font-family: var(--font-system);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
}

.spread-card__name {
  margin-top: 4px;
  color: var(--gold-100);
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 7vw, 2.2rem);
  letter-spacing: 0.1em;
}

.spread-card__name-en {
  margin-top: 2px;
  color: var(--gold-500);
  font-family: var(--font-system);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.spread-card__visual {
  display: grid;
  min-height: 240px;
  margin: 14px 0 10px;
  place-items: center;
  border-block: 1px solid rgba(216, 188, 120, 0.12);
  background: radial-gradient(circle, rgba(91, 42, 120, 0.2), transparent 64%);
}

.spread-card__summary {
  color: var(--muted);
  font-size: 0.82rem;
}

.spread-card__action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-top: 18px;
  color: var(--gold-300);
  font-family: var(--font-display);
  letter-spacing: 0.1em;
}

.spread-card__action::after {
  margin-left: 8px;
  content: "◇";
  color: var(--cyan-300);
}

.magic-circle {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow: visible;
}

.magic-circle .geometry-line,
.magic-circle .geometry-orbit {
  fill: none;
  vector-effect: non-scaling-stroke;
}

.magic-circle .geometry-line {
  stroke: rgba(216, 188, 120, 0.68);
  stroke-width: 0.7;
}

.magic-circle .geometry-orbit {
  stroke: rgba(127, 232, 225, 0.32);
  stroke-dasharray: 2.5 2;
  stroke-width: 0.52;
}

.magic-circle .geometry-node {
  fill: var(--purple-900);
  stroke: var(--gold-300);
  stroke-width: 0.85;
}

.magic-circle .card-slot {
  fill: rgba(5, 4, 7, 0.92);
  stroke: var(--gold-300);
  stroke-width: 0.72;
}

.magic-circle .card-slot-inner {
  fill: none;
  stroke: rgba(216, 188, 120, 0.38);
  stroke-width: 0.35;
}

.magic-circle .position-label {
  fill: var(--gold-100);
  font-family: var(--font-display);
  font-size: 3.2px;
  letter-spacing: 0.12em;
  text-anchor: middle;
}

.magic-circle .rune-mark {
  fill: var(--gold-500);
  font-family: var(--font-system);
  font-size: 2.4px;
  text-anchor: middle;
}

.magic-circle--preview {
  width: min(100%, 320px);
  aspect-ratio: 1;
}

.ritual-preparation__toolbar {
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  align-items: center;
  margin-bottom: 18px;
  text-align: center;
}

.icon-button {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line-gold);
  border-radius: 50%;
  color: var(--gold-300);
  background: rgba(7, 5, 10, 0.72);
  cursor: pointer;
}

.toolbar-spacer {
  width: 44px;
}

.ritual-preparation__content {
  display: grid;
  gap: 24px;
  align-items: center;
}

.ritual-count {
  margin-bottom: 4px;
  color: var(--cyan-300);
  font-family: var(--font-system);
  letter-spacing: 0.18em;
}

.ritual-summary {
  color: var(--muted);
}

.position-ledger {
  margin-top: 24px;
  padding: 18px;
  border: 1px solid rgba(216, 188, 120, 0.22);
  border-radius: var(--radius-md);
  background: var(--panel-soft);
}

.position-ledger h3 {
  margin-bottom: 10px;
  color: var(--gold-300);
  font-size: 1rem;
}

.position-ledger ol {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 1.4rem;
  color: var(--muted);
}

.position-ledger strong {
  color: var(--gold-100);
  font-family: var(--font-display);
  font-weight: 500;
}

.ritual-stage-preview {
  position: relative;
  display: grid;
  min-height: 360px;
  place-items: center;
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle, rgba(91, 42, 120, 0.28), transparent 60%),
    linear-gradient(180deg, rgba(7, 5, 10, 0.66), rgba(3, 2, 5, 0.94));
  box-shadow: inset 0 0 56px rgba(91, 42, 120, 0.12), 0 22px 80px rgba(0, 0, 0, 0.42);
}

.magic-circle--large {
  width: min(100%, 620px);
  min-height: 320px;
  padding: 16px;
}

.ritual-preparation > .ritual-button {
  display: flex;
  margin: 26px auto 0;
}

.noscript-message {
  margin: 24px;
  padding: 16px;
  color: var(--gold-100);
  border: 1px solid var(--crimson-500);
  background: var(--panel);
}