/* ============================================
   SIGIL — The Archive
   Occult / Ritual / Forbidden Knowledge
   Ancient. Forbidden. Wrong.
   The book reads the reader.
   ============================================ */

/* --- Custom Properties (Sigil palette) --- */
:root {
  --parchment: #d4c4a0;
  --parchment-dim: #8a7a5a;
  --parchment-faint: #5a4a3a;
  --amber: #b8860b;
  --amber-dark: #6b4f0a;
  --amber-glow: #d4a017;
  --burnt: #2a1a0a;
  --burnt-deep: #1a0f05;
  --blood: #6b1a1a;
  --blood-faint: #3a1010;
  --blood-glow: #8b2222;
  --ink: #2a2018;
  --ink-faint: #1a150e;
}

/* --- Base Layout --- */
body {
  background: var(--near-black);
  font-family: var(--font-serif);
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--parchment-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0;
  position: relative;
  animation: ambient-breathe 8s ease-in-out infinite;
}

@keyframes ambient-breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.96; }
}

/* --- Warm Vignette --- */
.vignette {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  box-shadow:
    inset 0 0 250px 100px rgba(0, 0, 0, 0.97),
    inset 0 0 80px 30px rgba(42, 26, 10, 0.5);
  pointer-events: none;
  z-index: 10;
}

/* --- Body background texture --- */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(42, 26, 10, 0.15) 0%, transparent 70%),
    radial-gradient(ellipse at 50% 80%, rgba(58, 10, 10, 0.08) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* --- Scrollbar (warm) --- */
::-webkit-scrollbar-thumb {
  background: var(--blood-faint);
}

/* --- Header Sigil --- */
.sigil-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 80px 20px 60px;
  position: relative;
  z-index: 1;
  opacity: 0;
  animation: fade-in 3s ease-out 0.5s forwards;
}

/* CSS-drawn sigil symbol */
.sigil-symbol {
  width: 120px;
  height: 120px;
  position: relative;
  margin-bottom: 40px;
  animation: slow-rotate 120s linear infinite;
}

.sigil-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
}

.sigil-ring--outer {
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-color: var(--blood);
  box-shadow:
    0 0 15px rgba(107, 26, 26, 0.2),
    inset 0 0 15px rgba(107, 26, 26, 0.1);
}

.sigil-ring--inner {
  top: 20%;
  left: 20%;
  width: 60%;
  height: 60%;
  border-color: var(--amber-dark);
  box-shadow: 0 0 10px rgba(107, 79, 10, 0.15);
}

.sigil-line {
  position: absolute;
  background: var(--blood-faint);
}

.sigil-line--vertical {
  width: 1px;
  height: 100%;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
}

.sigil-line--horizontal {
  width: 100%;
  height: 1px;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}

.sigil-line--diagonal-l {
  width: 1px;
  height: 141%;
  left: 50%;
  top: -20.5%;
  transform: translateX(-50%) rotate(45deg);
}

.sigil-line--diagonal-r {
  width: 1px;
  height: 141%;
  left: 50%;
  top: -20.5%;
  transform: translateX(-50%) rotate(-45deg);
}

.sigil-eye {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 12px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: var(--blood);
  box-shadow: 0 0 8px rgba(139, 34, 34, 0.4);
  animation: pulse-glow 4s ease-in-out infinite;
}

/* Title */
.manuscript-title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 400;
  letter-spacing: 0.35em;
  color: var(--parchment-dim);
  text-shadow: 0 0 30px rgba(138, 122, 90, 0.15);
  margin-bottom: 8px;
  text-align: center;
}

.manuscript-subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--parchment-faint);
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.manuscript-provenance {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.provenance-line {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-faint);
  letter-spacing: 0.08em;
}

/* --- Manuscript Body --- */
.manuscript {
  max-width: 620px;
  width: 100%;
  padding: 0 40px 80px;
  position: relative;
  z-index: 1;
}

/* --- Passages --- */
.passage {
  margin-bottom: 60px;
  position: relative;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1.2s ease-out, transform 1.2s ease-out;
}

.passage.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.passage-ref {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--blood-faint);
  letter-spacing: 0.2em;
  margin-bottom: 12px;
  padding-left: 2px;
}

.passage-text {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--parchment-dim);
  margin-bottom: 16px;
  text-align: justify;
  hyphens: auto;
}

.passage-text:last-child {
  margin-bottom: 0;
}

.passage-text em {
  color: var(--parchment);
  font-style: italic;
}

.passage-text--italic {
  font-style: italic;
  color: var(--parchment-faint);
}

.passage-text--italic em {
  color: var(--parchment-dim);
}

.passage-text--centered {
  text-align: center;
}

.passage-text--large {
  font-size: 1.2rem;
  line-height: 2.2;
  color: var(--parchment);
  padding: 20px 0;
  border-top: 1px solid var(--blood-faint);
  border-bottom: 1px solid var(--blood-faint);
  margin-top: 20px;
  margin-bottom: 20px;
  text-shadow: 0 0 20px rgba(138, 122, 90, 0.1);
}

/* Shifting passage subtle indicator */
.passage--shifting {
  border-left: 1px solid var(--blood-faint);
  padding-left: 20px;
}

/* --- Sigil Dividers --- */
.sigil-divider {
  text-align: center;
  font-size: 1rem;
  color: var(--blood-faint);
  letter-spacing: 0.5em;
  padding: 30px 0;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 1s ease-out, transform 1s ease-out;
}

.sigil-divider.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.sigil-divider--corrupted {
  color: var(--blood);
  text-shadow: 0 0 6px rgba(139, 34, 34, 0.3);
  animation: flicker 6s infinite;
}

.sigil-divider--final {
  font-size: 0.85rem;
  letter-spacing: 0.8em;
  color: var(--blood-faint);
  padding: 40px 0 20px;
  opacity: 0.4;
}

.sigil-divider--final.is-visible {
  opacity: 0.4;
}

/* Hidden link within sigil divider */
.sigil-link {
  color: var(--blood-faint);
  text-decoration: none;
  transition: color 0.8s ease, text-shadow 0.8s ease;
  cursor: default;
  position: relative;
}

.sigil-link:hover {
  color: var(--blood-glow);
  text-shadow: 0 0 12px rgba(139, 34, 34, 0.5);
  cursor: pointer;
}

/* --- Delayed breathe animation for hidden links --- */
@keyframes sigil-link-breathe {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.6; text-shadow: 0 0 4px currentColor; }
}

.sigil-link,
.hidden-link {
  animation: sigil-link-breathe 6s ease-in-out infinite;
  animation-delay: 30s;
  animation-fill-mode: both;
}

/* --- Margin Annotations --- */
.margin-note {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  line-height: 1.6;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  opacity: 0;
  transition: opacity 1.5s ease-out, color 0.5s ease;
  max-width: 120px;
  user-select: none;
}

.margin-note.is-visible {
  opacity: 0.5;
}

.margin-note:hover {
  opacity: 0.9;
  color: var(--text-dim);
}

.margin-note--left {
  left: -140px;
  text-align: right;
}

.margin-note--right {
  right: -140px;
  text-align: left;
}

/* Specific positioning for each annotation */
.margin-note--early {
  top: 30px;
}

.margin-note--desperate {
  top: 0;
  font-style: italic;
}

.margin-note--final {
  top: 0;
  color: var(--blood-faint);
}

.margin-note--final.is-visible {
  opacity: 0.4;
}

/* --- Footer --- */
.archive-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 40px 20px 60px;
  position: relative;
  z-index: 1;
}

.archive-remembers {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  color: var(--text-faint);
  opacity: 0.3;
  text-align: center;
}

.depth-marker {
  font-family: var(--font-mono);
  font-size: 0.45rem;
  letter-spacing: 0.15em;
  color: var(--near-black);
  transition: color 2s;
}

.depth-marker:hover {
  color: var(--text-faint);
}

/* --- Selection color override --- */
::selection {
  background: var(--blood-faint);
  color: var(--parchment);
}

/* --- Mobile --- */
@media (max-width: 900px) {
  .margin-note {
    position: relative;
    left: auto !important;
    right: auto !important;
    max-width: 100%;
    text-align: left;
    margin: 0 0 30px 0;
    padding: 8px 12px;
    border-left: 1px solid var(--blood-faint);
  }

  .margin-note--left,
  .margin-note--right {
    left: auto;
    right: auto;
  }
}

@media (max-width: 768px) {
  .sigil-header {
    padding: 60px 16px 40px;
  }

  .manuscript-title {
    font-size: 1.6rem;
    letter-spacing: 0.2em;
  }

  .manuscript-subtitle {
    font-size: 0.85rem;
  }

  .manuscript {
    padding: 0 20px 60px;
  }

  .passage {
    margin-bottom: 40px;
  }

  .passage-text {
    font-size: 0.95rem;
    text-align: left;
  }

  .passage-text--large {
    font-size: 1.05rem;
  }

  .sigil-symbol {
    width: 90px;
    height: 90px;
    margin-bottom: 30px;
  }

  .sigil-divider {
    padding: 20px 0;
  }
}