/* tools/oracle/style.css — layout, monedas y partículas del Oracle del I-Ching */

/* ---------- Sección base ---------- */
#oracle {
  position: relative;
  z-index: 2;
  min-height: 100vh;
}

.oracle-section {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(1.5rem, 4vw, 4rem);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--t-slow) var(--ease-breath),
              visibility 0s linear var(--t-slow);
  overflow: hidden;
  z-index: 2;
}

.oracle-section.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity var(--t-slow) var(--ease-breath),
              visibility 0s linear 0s;
  z-index: 3;
}

.oracle-section--scroll.is-active {
  display: block;
  overflow-y: auto;
  overflow-x: hidden;
}

/* ---------- INTRO ---------- */
.intro__content {
  position: relative;
  text-align: center;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.intro__glyph {
  font-family: var(--font-cn);
  font-size: clamp(8rem, 20vw, 16rem);
  font-weight: 500;
  line-height: 0.9;
  color: var(--ink);
  text-shadow:
    0 1px 0 rgba(26, 26, 26, 0.05),
    1px 0 0 color-mix(in srgb, var(--accent) 30%, transparent);
}

.intro__subtitle {
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  font-style: italic;
  font-weight: 400;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
  max-width: 28ch;
}

.intro__hint {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-faded);
  letter-spacing: 0.08em;
  text-transform: lowercase;
}

.ink-stains {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.ink-stain {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0;
}
.ink-stain--1 {
  top: 10%; left: 8%;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(26, 26, 26, 0.18) 0%, transparent 70%);
}
.ink-stain--2 {
  bottom: 12%; right: 10%;
  width: 360px; height: 360px;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 22%, transparent) 0%, transparent 70%);
}
.ink-stain--3 {
  top: 50%; right: 20%;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(122, 155, 138, 0.18) 0%, transparent 70%);
}

/* ---------- QUESTION ---------- */
.question__content {
  width: min(620px, 90vw);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
  text-align: center;
}

.question__prompt {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-style: italic;
  color: var(--ink);
}

.question__breath {
  width: 80px;
  height: 80px;
  display: grid;
  place-items: center;
}

.breath-circle {
  display: block;
  width: 100%;
  height: 100%;
  border: 1px solid var(--accent);
  border-radius: 50%;
  animation: breath 5s var(--ease-breath) infinite;
}

@keyframes breath {
  0%, 100% { transform: scale(0.5); opacity: 0.4; }
  50%      { transform: scale(1);   opacity: 1; }
}

.question__field {
  position: relative;
  width: 100%;
  display: block;
}

.question__field textarea {
  width: 100%;
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  font-style: italic;
  text-align: center;
  padding: 1rem 0.5rem 1.5rem;
  color: var(--ink);
  caret-color: var(--accent);
}

.question__field textarea::placeholder {
  color: var(--ink-faded);
  font-style: italic;
}

.question__underline {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 1px;
  background: var(--accent);
  transform: translateX(-50%);
  transition: width var(--t-medium) var(--ease-out-soft);
}

.question__field:focus-within .question__underline,
.question__field textarea:not(:placeholder-shown) ~ .question__underline {
  width: 100%;
}

.question__method {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.method-option {
  position: relative;
  padding: 1rem 1.6rem;
  border: 1px solid var(--ink-faded);
  background: transparent;
  cursor: pointer;
  transition: border-color var(--t-fast), background var(--t-fast);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  min-width: 160px;
}

.method-option__glyph {
  font-family: var(--font-cn);
  font-size: 1.8rem;
  line-height: 1;
  color: var(--accent);
}
.method-option__name {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faded);
}
.method-option__hint {
  font-size: 0.85rem;
  font-style: italic;
  color: var(--ink-soft);
}

.method-option[aria-selected="true"] {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}
.method-option[aria-selected="true"] .method-option__name {
  color: var(--accent);
}

/* ---------- THROW ---------- */
#throw {
  display: grid;
  grid-template-rows: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  padding: clamp(2rem, 5vh, 4rem) clamp(1.5rem, 4vw, 4rem);
}

.throw__header {
  text-align: center;
  z-index: 2;
}

.throw__counter {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-faded);
}

.throw__counter span:first-of-type {
  color: var(--accent);
  font-weight: 500;
  font-size: 1.1rem;
}

.throw__question {
  margin-top: 0.6rem;
  font-style: italic;
  color: var(--ink-soft);
  max-width: 50ch;
  margin-inline: auto;
  font-size: 0.95rem;
  opacity: 0.8;
}

.throw__stage {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
  width: min(1000px, 95vw);
  margin-inline: auto;
}

.throw__coins {
  position: relative;
  height: 280px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  perspective: 800px;
}

.throw__hexagram-wrap {
  display: grid;
  place-items: center;
}

.throw__cta {
  margin-inline: auto;
  z-index: 2;
}

@media (max-width: 760px) {
  .throw__stage {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .throw__coins { height: 220px; }
}

/* ---------- Monedas (CSS 3D flip) ---------- */
.coin {
  position: relative;
  width: 110px;
  height: 110px;
  transform-style: preserve-3d;
  transform: rotateY(0deg);
  will-change: transform;
}

.coin__face {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 50%;
}

.coin__face--heads { transform: rotateY(0deg); }
.coin__face--tails { transform: rotateY(180deg); }

.coin__svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 4px 8px rgba(26, 26, 26, 0.18));
}

.coin__rim   { fill: var(--paper-warm);   stroke: var(--ink-soft); stroke-width: 1.5; }
.coin__inner { fill: none;                stroke: var(--ink-soft); stroke-width: 0.6; opacity: 0.5; }
.coin__hole  { fill: var(--paper);        stroke: var(--ink-soft); stroke-width: 1; }
.coin__char  { font-family: var(--font-cn); font-size: 13px; font-weight: 500; fill: var(--ink); dominant-baseline: middle; }
.coin__face--tails .coin__rim { fill: var(--paper-shadow); }
.coin__dot   { fill: var(--ink-soft); opacity: 0.7; }

@media (max-width: 760px) {
  .coin { width: 80px; height: 80px; }
  .coin__char { font-size: 11px; }
}

/* ---------- Yarrow stalks (varitas) ---------- */
.throw__stalks {
  position: relative;
  height: 280px;
  display: grid;
  place-items: center;
}

.stalk-pile {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.stalk {
  position: absolute;
  width: 2px;
  height: 90px;
  background: linear-gradient(to bottom, var(--accent-soft), var(--ink-soft));
  border-radius: 1px;
  transform-origin: bottom center;
  will-change: transform, opacity;
}

.stalk-groups {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  width: 100%;
  max-width: 480px;
  margin-inline: auto;
}

.stalk-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  opacity: 0;
}

.stalk-group__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faded);
}

.stalk-group__count {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--accent);
}

@media (max-width: 760px) {
  .throw__stalks { height: 220px; }
}

/* ---------- REVEAL ---------- */
.reveal__content {
  position: relative;
  width: min(1100px, 95vw);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  text-align: center;
}

.reveal__halo {
  position: absolute;
  top: 50%; left: 50%;
  width: 70vmin; height: 70vmin;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 18%, transparent) 0%, transparent 60%);
  filter: blur(20px);
  z-index: 0;
  opacity: 0;
}

.reveal__hexagrams {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.reveal__hexagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}

.reveal__caption {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-faded);
}

.reveal__arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--ink-faded);
}

.reveal__arrow svg {
  width: 80px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.5;
}

.reveal__meta {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.reveal__number {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
}

.reveal__name {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  font-weight: 400;
}

.reveal__name-cn {
  font-family: var(--font-cn);
  font-size: clamp(3rem, 7vw, 5rem);
  line-height: 1;
  color: var(--ink);
}

.reveal__name-py {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
}

.reveal__meaning {
  font-size: 1.4rem;
  font-style: italic;
  color: var(--ink);
  margin-top: 0.4rem;
}

.reveal__trigrams {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-faded);
  letter-spacing: 0.1em;
  margin-top: 0.5rem;
}

/* ---------- READING ---------- */
.reading__progress {
  position: fixed;
  top: 0; left: 0;
  width: 3px;
  height: 100vh;
  background: rgba(26, 26, 26, 0.06);
  z-index: 5;
}

.reading__progress-bar {
  display: block;
  width: 100%;
  height: 0%;
  background: var(--accent);
  transition: height 80ms linear;
}

.reading__article {
  max-width: var(--max-readable);
  margin: clamp(3rem, 8vh, 6rem) auto;
  padding: 0 clamp(1rem, 4vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.reading__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(26, 26, 26, 0.1);
}

.reading__question {
  font-style: italic;
  color: var(--ink-faded);
  font-size: 0.95rem;
  max-width: 50ch;
}

.reading__hex-mini {
  transform: scale(0.6);
  margin: -0.5rem 0;
}

.reading__title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  font-weight: 400;
}

.reading__title #reading-name-cn {
  font-family: var(--font-cn);
  font-size: 2.4rem;
}

.reading__title small {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-soft);
  font-size: 1.1rem;
}

.reading__title em {
  font-style: italic;
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: 500;
  margin-top: 0.4rem;
}

.reading__block {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.reading__block-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faded);
  font-weight: 500;
}

.reading__quote {
  position: relative;
  font-size: 1.25rem;
  font-style: italic;
  line-height: 1.5;
  padding: 1.5rem 1.8rem;
  border-left: 2px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 4%, transparent);
}

.reading__lines {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  list-style: none;
}

.reading__lines li {
  position: relative;
  padding-left: 2.5rem;
  font-style: italic;
  color: var(--ink-soft);
}

/* El número viene de `data-line-num` (posición real 1..6) — no de un counter CSS,
   porque las líneas mutables no son consecutivas (puede aparecer línea 1 y 4) */
.reading__lines li::before {
  content: attr(data-line-num);
  position: absolute;
  left: 0; top: 0;
  font-family: var(--font-mono);
  font-style: normal;
  color: var(--accent);
  font-size: 0.85rem;
  width: 2rem;
  text-align: right;
}

.reading__secondary-name {
  font-family: var(--font-cn);
  font-size: 1.4rem;
  color: var(--ink);
  margin-bottom: 0.8rem;
}

.reading__footer {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  padding-bottom: 4rem;
}

/* ---------- OUTRO ---------- */
.outro__content {
  position: relative;
  width: min(800px, 90vw);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
  text-align: center;
}

.outro__hexagram {
  position: relative;
  width: 240px;
  height: 240px;
  display: grid;
  place-items: center;
}

.outro__particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.outro__farewell {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-style: italic;
  color: var(--ink);
  max-width: 30ch;
}

.outro__particle {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--ink-soft);
  pointer-events: none;
  opacity: 0;
  will-change: transform, opacity;
}

.outro__particle--gold { background: var(--accent); }
.outro__particle--jade { background: var(--jade); }

/* ---------- Hexagram size variants in oracle ---------- */
.reveal__hexagram-svg .hexagram { gap: 12px; }
.reveal__hexagram-svg .hexagram__line { height: 36px; }
.reveal__hexagram-svg .iching-line { width: 280px; height: 36px; }
.reveal__hexagram-svg .iching-line .line-segment { stroke-width: 14; }

.reading__hex-mini .hexagram { gap: 6px; }
.reading__hex-mini .hexagram__line { height: 22px; }
.reading__hex-mini .iching-line { width: 160px; height: 22px; }
.reading__hex-mini .iching-line .line-segment { stroke-width: 8; }

.outro__hexagram .hexagram { gap: 10px; }
.outro__hexagram .hexagram__line { height: 30px; }
.outro__hexagram .iching-line { width: 200px; height: 30px; }
.outro__hexagram .iching-line .line-segment { stroke-width: 11; }