/* I Ching — tema oscuro, acentos oro / cobre (español-first) */
.iching-wrap {
  --iching-bg: #0f0f0f;
  --iching-bordeaux: #1a0a0f;
  --iching-gold: #d4a017;
  --iching-silver: #9ca3af;
  --iching-mutable: #c8102e;
  --iching-text: #f5f5f5;
  --iching-muted: #a3a3a3;
  --line-thick: 14px;
  --radius: 12px;
  min-height: 100%;
  background: radial-gradient(ellipse 120% 80% at 50% 0%, var(--iching-bordeaux), var(--iching-bg));
  color: var(--iching-text);
  padding: 1rem 1rem 2.5rem;
  max-width: 52rem;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.iching-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 30%, rgba(212, 160, 23, 0.04) 0%, transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(200, 16, 46, 0.03) 0%, transparent 40%);
  pointer-events: none;
  z-index: -1;
}

.iching-back {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--iching-gold);
  text-decoration: none;
  font-size: 0.9rem;
  opacity: 0.9;
}

.iching-back:hover {
  text-decoration: underline;
}

.iching-wrap h1 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--iching-gold);
  letter-spacing: 0.02em;
  margin: 0 0 0.35rem;
}

.iching-sub {
  color: var(--iching-muted);
  font-size: 0.88rem;
  margin: 0 0 1.25rem;
  line-height: 1.45;
}

.iching-panel {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(212, 160, 23, 0.15);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}

.iching-panel label {
  display: block;
  font-size: 0.82rem;
  color: var(--iching-muted);
  margin-bottom: 0.35rem;
}

.iching-panel textarea {
  width: 100%;
  min-height: 5rem;
  resize: vertical;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.35);
  color: var(--iching-text);
  padding: 0.6rem 0.75rem;
  font-size: 1rem;
  box-sizing: border-box;
}

.iching-panel textarea:focus {
  outline: 2px solid rgba(212, 160, 23, 0.45);
  outline-offset: 1px;
}

.iching-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 0.75rem;
}

.iching-toggle {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.88rem;
  color: var(--iching-muted);
}

.iching-toggle input {
  accent-color: var(--iching-gold);
}

.iching-btn {
  appearance: none;
  border: none;
  border-radius: 999px;
  padding: 0.75rem 1.35rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.iching-btn-primary {
  background: linear-gradient(145deg, #e4b82a, var(--iching-gold));
  color: #1a1204;
  box-shadow: 0 4px 20px rgba(212, 160, 23, 0.25);
}

.iching-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(212, 160, 23, 0.35);
}

.iching-btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--iching-text);
  border: 1px solid rgba(212, 160, 23, 0.25);
}

.iching-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.iching-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.iching-progress {
  font-size: 0.85rem;
  color: var(--iching-gold);
  margin: 0.5rem 0 0;
}

.iching-coins {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin: 1.25rem 0;
  perspective: 400px;
}

.iching-coin {
  width: 4.25rem;
  height: 4.25rem;
  border-radius: 50%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.65s ease-out;
}

.iching-coin.is-flip {
  animation: iching-flip 0.7s ease-out forwards;
}

@keyframes iching-flip {
  0% {
    transform: rotateY(0deg);
  }
  45% {
    transform: rotateY(720deg);
  }
  100% {
    transform: rotateY(1080deg);
  }
}

.iching-coin-face {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 3px solid #8b6914;
  box-shadow: inset 0 2px 8px rgba(255, 255, 255, 0.15), 0 4px 12px rgba(0, 0, 0, 0.45);
}

.iching-coin-face--yang {
  background: radial-gradient(circle at 35% 30%, #f0d078, var(--iching-gold) 55%, #8a6a0a);
  color: #2a2006;
}

.iching-coin-face--yin {
  background: radial-gradient(circle at 35% 30%, #d1d5db, var(--iching-silver) 60%, #4b5563);
  color: #111827;
  transform: rotateY(180deg);
}

.iching-toss-meta {
  text-align: center;
  font-size: 0.9rem;
  color: var(--iching-muted);
  min-height: 2.5rem;
}

.iching-line-stack {
  display: flex;
  flex-direction: column-reverse;
  gap: 0.45rem;
  align-items: center;
  margin: 1rem 0;
}

.iching-line-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  max-width: 220px;
}

.iching-bar-yang {
  height: var(--line-thick);
  width: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, #a67c00, var(--iching-gold), #a67c00);
  box-shadow: 0 0 12px rgba(212, 160, 23, 0.2);
}

.iching-bar-yin {
  display: flex;
  width: 100%;
  gap: 14%;
  height: var(--line-thick);
}

.iching-bar-yin span {
  flex: 1;
  border-radius: 3px;
  background: linear-gradient(90deg, #6b7280, var(--iching-silver), #6b7280);
}

.iching-mutable-mark {
  width: 1.5rem;
  text-align: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--iching-mutable);
  flex-shrink: 0;
}

.iching-hex-big {
  max-width: 240px;
  margin: 0 auto 1rem;
}

.iching-locale-note {
  font-size: 0.78rem;
  color: var(--iching-muted);
  line-height: 1.4;
  border-left: 3px solid rgba(212, 160, 23, 0.35);
  padding-left: 0.65rem;
  margin-bottom: 1rem;
}

.iching-details {
  margin-bottom: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.2);
}

.iching-details summary {
  cursor: pointer;
  padding: 0.65rem 0.85rem;
  font-weight: 600;
  color: var(--iching-gold);
  list-style: none;
}

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

.iching-details[open] summary {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.iching-details-body {
  padding: 0.75rem 0.9rem;
  font-size: 0.9rem;
  line-height: 1.55;
  color: #e5e5e5;
  white-space: pre-wrap;
}

.iching-history-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.82rem;
  color: var(--iching-muted);
}

.iching-history-list li {
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

@media (min-width: 640px) {
  .iching-wrap h1 {
    font-size: 1.55rem;
  }

  .iching-coin {
    width: 4.75rem;
    height: 4.75rem;
  }

  .iching-hex-big {
    max-width: 280px;
  }
}