/* ============================================
   Mind / Eye Path Styles
   ============================================ */
#path-mind {
  background: var(--mind-deep);
}

/* Neural network SVG background */
.neural-bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.15;
  display: none;
}

[data-active-path="mind"] .neural-bg { display: block; }

/* ── Journal Wrapper ── */
.journal-wrapper {
  max-width: 1020px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ── Flyleaf (inscription page) ── */
.journal-flyleaf {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
  text-align: center;
  padding: 4rem 2rem;
  animation: flyleafFadeIn 0.8s ease;
}

@keyframes flyleafFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.journal-flyleaf.hidden { display: none; }

.flyleaf-inscription {
  position: relative;
  font-family: Georgia, 'Palatino Linotype', serif;
  font-size: clamp(1.15rem, 2.5vw, 1.5rem);
  font-style: italic;
  color: var(--mind-warm);
  line-height: 1.9;
  max-width: 640px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.4);
  margin-bottom: 3rem;
  padding: 2rem;
  border-top: 1px solid rgba(199,125,255,0.25);
  border-bottom: 1px solid rgba(199,125,255,0.25);
}
/* Breathing glow behind the quote */
.flyleaf-inscription::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: radial-gradient(ellipse, rgba(199,125,255,0.08) 0%, transparent 70%);
  animation: flyleafGlow 3s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: -1;
}
@keyframes flyleafGlow {
  from { opacity: 0.5; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1.05); }
}

.flyleaf-open-btn {
  font-family: Georgia, serif;
  font-style: italic;
  background: rgba(199,125,255,0.15);
  border: 1px solid rgba(199,125,255,0.4);
  color: var(--mind-accent);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.75rem 2rem;
  border-radius: 30px;
  cursor: pointer;
  letter-spacing: 0.12em;
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.2s ease;
}
.flyleaf-open-btn:hover {
  background: rgba(199,125,255,0.3);
  border-color: rgba(199,125,255,0.7);
  transform: translateY(-2px);
}

/* ── Journal (hidden until flyleaf opens) ── */
.journal {
  display: none;
  animation: journalReveal 0.6s ease;
  perspective: 1500px;
  position: relative;
}
.journal.visible {
  display: grid;
  grid-template-columns: 1fr;
}
/* All visible spreads stack in the same grid cell */
.journal-spread.active,
.journal-spread.page-turning-forward,
.journal-spread.page-turning-backward,
.journal-spread.peel-entering {
  grid-row: 1;
  grid-column: 1;
}

@keyframes journalReveal {
  from { opacity: 0; transform: perspective(1200px) rotateY(-4deg); }
  to   { opacity: 1; transform: perspective(1200px) rotateY(0); }
}

/* ── Journal Spread (two-page layout) ── */
.journal-spread {
  display: none;
  grid-template-columns: 1fr 8px 1fr;
  max-width: 960px;
  min-height: 520px;
  margin: 0 auto 2rem;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(199,125,255,0.15);
  border-radius: 2px 16px 16px 2px;
  overflow: hidden;
  box-shadow:
    0 8px 32px rgba(0,0,0,0.3),
    0 2px 8px rgba(0,0,0,0.2),
    /* Page-edge depth — right side (stacked pages) */
    4px 2px 0 -1px rgba(180,170,155,0.08),
    6px 3px 0 -1px rgba(160,150,135,0.05);
  transform: perspective(1200px) rotateY(0deg);
  transform-style: preserve-3d;
  transition: opacity 0.35s ease, transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.4s ease;
}
.journal-spread.active { display: grid; }

/* Hover — subtle 3D lift */
.journal-spread:hover {
  box-shadow:
    0 16px 48px rgba(0,0,0,0.4),
    0 0 30px rgba(199,125,255,0.12),
    4px 2px 0 -1px rgba(180,170,155,0.1),
    6px 3px 0 -1px rgba(160,150,135,0.07);
  transform: perspective(1200px) rotateY(-0.5deg) translateY(-3px);
}

/* ── Backface visibility for 3D page turns ── */
.journal-page--left,
.journal-page--right {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* ── Page backface (injected by JS during turn) ── */
.page-backface {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: rotateY(180deg);
  background: linear-gradient(
    135deg,
    rgba(200, 190, 175, 0.12) 0%,
    rgba(180, 170, 155, 0.08) 100%
  );
  z-index: 10;
  pointer-events: none;
  border-radius: inherit;
}

/* ── Page turn — Forward (right page flips around spine to the left) ── */
.journal-spread.page-turning-forward {
  display: grid;
  z-index: 2;
  overflow: visible;
  /* Remove backdrop-filter during animation — it flattens preserve-3d */
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.journal-spread.page-turning-forward .journal-page--right {
  transform-origin: left center;
  animation: pageTurnForward 0.85s cubic-bezier(0.4, 0, 0.15, 1) forwards;
  filter: drop-shadow(-8px 4px 16px rgba(0,0,0,0.4));
  z-index: 3;
}
.journal-spread.page-turning-forward .journal-page--left,
.journal-spread.page-turning-forward .journal-spine {
  animation: fadeOutSideLate 0.85s ease forwards;
}

@keyframes pageTurnForward {
  0%   { transform: rotateY(0deg); }
  100% { transform: rotateY(-180deg); }
}

/* ── Page turn — Backward (left page flips around spine to the right) ── */
.journal-spread.page-turning-backward {
  display: grid;
  z-index: 2;
  overflow: visible;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.journal-spread.page-turning-backward .journal-page--left {
  transform-origin: right center;
  animation: pageTurnBackward 0.85s cubic-bezier(0.4, 0, 0.15, 1) forwards;
  filter: drop-shadow(8px 4px 16px rgba(0,0,0,0.4));
  z-index: 3;
}
.journal-spread.page-turning-backward .journal-page--right,
.journal-spread.page-turning-backward .journal-spine {
  animation: fadeOutSideLate 0.85s ease forwards;
}

@keyframes pageTurnBackward {
  0%   { transform: rotateY(0deg); }
  100% { transform: rotateY(180deg); }
}

/* Non-turning side stays visible during first half, then fades */
@keyframes fadeOutSideLate {
  0%   { opacity: 1; }
  45%  { opacity: 1; }
  100% { opacity: 0; }
}

/* ── Incoming spread (visible underneath the turning page) ── */
.journal-spread.peel-entering {
  display: grid;
  opacity: 0;
  animation: spreadFadeIn 0.4s ease 0.1s forwards;
  z-index: 1;
}
@keyframes spreadFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Left Page (photo) ── */
.journal-page--left {
  position: relative;
  overflow: hidden;
  min-height: 400px;
  background: rgba(0,0,0,0.3);
}

.journal-page--left img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
  transition: opacity 0.4s ease;
}
.journal-spread:hover .journal-page--left img {
  opacity: 1;
}

/* Ken Burns — slow drift while visible */
.journal-spread.active .journal-page--left img {
  animation: kenBurns 20s ease-in-out infinite alternate;
}
@keyframes kenBurns {
  from { transform: scale(1) translate(0, 0); }
  to   { transform: scale(1.06) translate(-1%, -1%); }
}

/* Purple edge glow near spine */
.journal-page--left::before {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 30px;
  background: linear-gradient(to left, rgba(199,125,255,0.08), transparent);
  z-index: 2;
  pointer-events: none;
}

/* Paper texture overlay on photo */
.journal-page--left::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, transparent 50%, rgba(0,0,0,0.1) 100%);
  pointer-events: none;
}

.journal-chapter-label {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-family: Georgia, serif;
  font-style: italic;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: none;
  color: rgba(255,255,255,0.7);
  z-index: 2;
  text-shadow: 0 1px 4px rgba(0,0,0,0.6);
  border-bottom: 1px solid rgba(255,255,255,0.3);
  padding-bottom: 0.25rem;
}

.journal-page-num--left {
  position: absolute;
  bottom: 0.75rem;
  left: 1rem;
  font-family: Georgia, serif;
  font-style: italic;
  font-size: 0.65rem;
  color: rgba(255,255,255,0.5);
  z-index: 2;
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

/* ── Spine (center divider) ── */
.journal-spine {
  background:
    /* Stitch marks */
    repeating-linear-gradient(
      to bottom,
      transparent,
      transparent 18px,
      rgba(199,125,255,0.18) 18px,
      rgba(199,125,255,0.18) 22px,
      transparent 22px,
      transparent 28px
    ),
    /* 3D depth gradient */
    linear-gradient(
      90deg,
      rgba(0,0,0,0.35) 0%,
      rgba(0,0,0,0.12) 25%,
      rgba(255,255,255,0.04) 50%,
      rgba(0,0,0,0.12) 75%,
      rgba(0,0,0,0.35) 100%
    );
  box-shadow: inset 0 0 10px rgba(0,0,0,0.3);
}

/* ── Right Page (narrative) ── */
.journal-page--right {
  padding: 2rem 2.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
  /* Warm paper tone + faint ruled lines */
  background:
    repeating-linear-gradient(
      to bottom,
      transparent,
      transparent 1.84rem,
      rgba(199,125,255,0.05) 1.84rem,
      rgba(199,125,255,0.05) calc(1.84rem + 1px)
    ),
    linear-gradient(
      180deg,
      rgba(245, 240, 230, 0.06) 0%,
      rgba(240, 235, 222, 0.04) 100%
    );
}

/* Corner curl hint — folded page corner on bottom-right */
.journal-spread.active .journal-page--right {
  cursor: pointer;
}
.journal-spread.active .journal-page--left {
  cursor: pointer;
}

/* Corner curl hint — left page (bottom-left, indicates backward) */
.corner-curl-left {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 28px;
  background: linear-gradient(
    45deg,
    rgba(199,125,255,0.35) 0%,
    rgba(255,255,255,0.15) 35%,
    rgba(199,125,255,0.08) 50%,
    transparent 70%
  );
  clip-path: polygon(0% 0%, 0% 100%, 100% 100%);
  box-shadow: 2px -2px 6px rgba(0,0,0,0.2);
  opacity: 0.7;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
  z-index: 5;
}

.journal-spread.active .journal-page--left:hover .corner-curl-left {
  width: 55px;
  height: 55px;
  opacity: 1;
  background: linear-gradient(
    45deg,
    rgba(199,125,255,0.5) 0%,
    rgba(255,255,255,0.25) 30%,
    rgba(199,125,255,0.15) 50%,
    transparent 70%
  );
}

/* Corner curl hint — right page (bottom-right, indicates forward) */
.journal-spread.active .journal-page--right::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 28px;
  height: 28px;
  background: linear-gradient(
    315deg,
    rgba(199,125,255,0.25) 0%,
    rgba(255,255,255,0.12) 35%,
    rgba(199,125,255,0.08) 50%,
    transparent 70%
  );
  clip-path: polygon(100% 0%, 100% 100%, 0% 100%);
  box-shadow: -2px -2px 6px rgba(0,0,0,0.2);
  opacity: 0.7;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
  z-index: 5;
}

.journal-spread.active .journal-page--right:hover::after {
  width: 55px;
  height: 55px;
  opacity: 1;
  background: linear-gradient(
    315deg,
    rgba(199,125,255,0.35) 0%,
    rgba(255,255,255,0.18) 30%,
    rgba(199,125,255,0.12) 50%,
    transparent 70%
  );
}

.journal-period {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mind-accent);
  margin-bottom: 0.5rem;
}

.journal-title {
  font-size: clamp(1.15rem, 2.5vw, 1.5rem);
  color: var(--mind-warm);
  margin-bottom: 1rem;
  font-weight: 700;
}
/* Decorative ornament below title */
.journal-title::after {
  content: '\B7  \25C7  \B7';
  display: block;
  margin-top: 0.5rem;
  font-size: 0.55rem;
  color: rgba(199,125,255,0.3);
  letter-spacing: 0.3em;
}

.journal-narrative {
  font-family: Georgia, 'Palatino Linotype', 'Book Antiqua', serif;
  color: rgba(255,255,255,0.87);
  font-size: 0.95rem;
  line-height: 1.85;
  flex: 1;
}
.journal-narrative p {
  margin-bottom: 0.9rem;
}
.journal-narrative p:last-child {
  margin-bottom: 0;
}

/* Drop cap on first paragraph */
.journal-narrative p:first-child::first-letter {
  float: left;
  font-size: 3.2em;
  line-height: 0.8;
  padding-right: 0.08em;
  margin-top: 0.05em;
  color: var(--mind-accent);
  font-family: Georgia, serif;
  font-weight: 700;
}

/* ── Callout boxes ── */
.journal-callout {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  background: rgba(199,125,255,0.1);
  border-left: 3px solid var(--mind-accent);
  border-radius: 0 12px 12px 0;
}
.journal-callout strong {
  color: var(--mind-warm);
  font-size: 1rem;
  display: block;
  margin-bottom: 0.25rem;
}
.journal-callout span {
  color: rgba(255,255,255,0.75);
  font-size: 0.85rem;
}

/* Highlight tag callout */
.journal-highlight {
  display: inline-block;
  margin-top: 1rem;
  background: rgba(157,78,221,0.2);
  border: 1px solid rgba(199,125,255,0.3);
  color: var(--mind-accent);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.3rem 0.9rem;
  border-radius: 20px;
  letter-spacing: 0.04em;
}

/* Stats callout */
.journal-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.journal-stat {
  background: rgba(199,125,255,0.12);
  border: 1px solid rgba(199,125,255,0.25);
  color: var(--mind-accent);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
}

/* Win badge (HABHub) */
.journal-win-badge {
  display: inline-block;
  background: linear-gradient(135deg, rgba(255,215,0,0.2), rgba(255,160,0,0.15));
  border: 1px solid rgba(255,215,0,0.4);
  color: #ffd700;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.85rem;
  border-radius: 20px;
  margin-bottom: 0.75rem;
}

/* Cert tags (Now + Next) */
.journal-certs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.journal-cert-tag {
  background: rgba(232,168,124,0.15);
  border: 1px solid rgba(232,168,124,0.35);
  color: var(--mind-warm);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
}

.journal-page-num--right {
  font-family: Georgia, serif;
  font-style: italic;
  font-size: 0.65rem;
  color: rgba(255,255,255,0.35);
  text-align: right;
  margin-top: auto;
  padding-top: 1rem;
}

/* ── Staggered content reveal ── */
@keyframes contentFadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.journal-spread.active .journal-period    { animation: contentFadeUp 0.5s ease both; animation-delay: 0ms; }
.journal-spread.active .journal-title     { animation: contentFadeUp 0.5s ease both; animation-delay: 80ms; }
.journal-spread.active .journal-narrative { animation: contentFadeUp 0.5s ease both; animation-delay: 160ms; }
.journal-spread.active .journal-callout,
.journal-spread.active .journal-stats,
.journal-spread.active .journal-highlight,
.journal-spread.active .journal-certs,
.journal-spread.active .journal-win-badge { animation: contentFadeUp 0.5s ease both; animation-delay: 240ms; }
.journal-spread.active .journal-page-num--right { animation: contentFadeUp 0.4s ease both; animation-delay: 300ms; }
.journal-spread.active .journal-chapter-label,
.journal-spread.active .journal-page-num--left { animation: contentFadeUp 0.4s ease both; animation-delay: 100ms; }

/* ── Featured spread (HABHub — gold accent) ── */
.journal-spread--featured {
  border-color: rgba(255,215,0,0.25);
  background: rgba(255,215,0,0.04);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 20px rgba(255,215,0,0.08);
}
.journal-spread--featured:hover {
  box-shadow: 0 16px 48px rgba(0,0,0,0.4), 0 0 35px rgba(255,215,0,0.15);
  border-color: rgba(255,215,0,0.4);
}

/* ── Chapter Tabs ── */
.journal-tabs {
  position: relative;
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1rem;
}
/* Progress line behind tabs */
.journal-tabs::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(199,125,255,0.2), rgba(199,125,255,0.2), transparent);
  z-index: 0;
}

.journal-tab {
  position: relative;
  z-index: 1;
  font-family: Georgia, serif;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(199,125,255,0.15);
  color: rgba(255,255,255,0.6);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.4rem 0.9rem;
  border-radius: 4px 4px 16px 16px;
  border-bottom-width: 2px;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.journal-tab-numeral {
  font-style: italic;
}
.journal-tab:hover {
  background: rgba(199,125,255,0.15);
  border-color: rgba(199,125,255,0.4);
  color: var(--mind-accent);
}
.journal-tab.active {
  background: rgba(199,125,255,0.2);
  border-color: rgba(199,125,255,0.6);
  color: var(--mind-accent);
  box-shadow: 0 0 12px rgba(199,125,255,0.25);
  transform: translateY(-2px);
}

/* Gold tab for HABHub */
.journal-tab--gold {
  border-color: rgba(255,215,0,0.2);
}
.journal-tab--gold:hover {
  border-color: rgba(255,215,0,0.5);
  color: #ffd700;
  background: rgba(255,215,0,0.12);
}
.journal-tab--gold.active {
  border-color: rgba(255,215,0,0.6);
  color: #ffd700;
  background: rgba(255,215,0,0.15);
  box-shadow: 0 0 12px rgba(255,215,0,0.25);
}

/* Pulsing tab for Now + Next */
.journal-tab--pulse.active {
  animation: tab-pulse 2.4s ease-in-out infinite;
}
@keyframes tab-pulse {
  0%, 100% { box-shadow: 0 0 8px rgba(232,168,124,0.3); }
  50%      { box-shadow: 0 0 20px rgba(232,168,124,0.7); }
}
@media (prefers-reduced-motion: reduce) {
  .journal-tab--pulse.active { animation: none; }
}

/* Tab label vs numeral */
.journal-tab-label { margin-left: 0.3rem; }

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  .flyleaf-inscription::before { animation: none; }
  .journal-spread.active .journal-page--left img { animation: none; }
  .journal-spread.active .journal-period,
  .journal-spread.active .journal-title,
  .journal-spread.active .journal-narrative,
  .journal-spread.active .journal-callout,
  .journal-spread.active .journal-stats,
  .journal-spread.active .journal-highlight,
  .journal-spread.active .journal-certs,
  .journal-spread.active .journal-win-badge,
  .journal-spread.active .journal-page-num--right,
  .journal-spread.active .journal-chapter-label,
  .journal-spread.active .journal-page-num--left { animation: none; opacity: 1; }
  .journal-spread.page-turning-forward,
  .journal-spread.page-turning-backward,
  .journal-spread.peel-entering { animation: none; opacity: 1; transform: none; }
  .journal-spread.page-turning-forward .journal-page--right,
  .journal-spread.page-turning-backward .journal-page--left {
    animation: none; opacity: 1; filter: none; transform: none;
  }
  .journal-spread.page-turning-forward .journal-page--left,
  .journal-spread.page-turning-forward .journal-spine,
  .journal-spread.page-turning-backward .journal-page--right,
  .journal-spread.page-turning-backward .journal-spine { animation: none; opacity: 1; }
}

#path-mind .reflection-box {
  border-color: var(--mind-accent);
  background: rgba(157,78,221,0.15);
}

/* ── Mobile journal nav arrows ── */
.journal-nav-arrow { display: none; }
.journal-swipe-hint { display: none; }

@media (max-width: 640px) {
  .journal-nav-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(199, 125, 255, 0.2);
    border: 1px solid rgba(199, 125, 255, 0.4);
    color: var(--mind-accent);
    font-size: 1.4rem;
    cursor: pointer;
    z-index: 20;
    transition: background 0.2s ease;
    -webkit-tap-highlight-color: transparent;
  }
  .journal-nav-arrow:active {
    background: rgba(199, 125, 255, 0.4);
  }
  .journal-nav-prev { left: 4px; }
  .journal-nav-next { right: 4px; }

  .journal-swipe-hint {
    display: block;
    position: absolute;
    bottom: -2rem;
    left: 50%;
    transform: translateX(-50%);
    font-family: Georgia, serif;
    font-style: italic;
    font-size: 0.75rem;
    color: rgba(199, 125, 255, 0.6);
    white-space: nowrap;
    transition: opacity 0.5s ease;
    z-index: 20;
  }
  .journal-swipe-hint.hidden {
    opacity: 0;
    pointer-events: none;
  }
}