*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:     #0a0a0a;
  --text:   #f0ede8;
  --dim:    #999992;
  --dimmer: #747470;
}

html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-weight: 300;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem 8rem;
  -webkit-font-smoothing: antialiased;
}

/* ─── About button ────────────────────────────────────────────────────── */
#about-btn {
  position: fixed;
  top: 1.75rem;
  left: 1.75rem;
  background: none;
  border: none;
  color: var(--dimmer);
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 300;
  font-size: 0.8125rem;
  cursor: pointer;
  padding: 0;
  transition: color 0.25s;
  -webkit-font-smoothing: antialiased;
}
#about-btn:hover { color: var(--dim); }

/* ─── About overlay ───────────────────────────────────────────────────── */
#about-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.97);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  z-index: 100;
}
#about-overlay.open {
  opacity: 1;
  pointer-events: all;
}
#about-content {
  max-width: 440px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
#about-content p {
  font-size: 0.9375rem;
  color: var(--dim);
  line-height: 1.7;
}
#about-content p strong {
  color: var(--text);
  font-weight: 300;
}
#about-content .source-note {
  font-size: 0.8125rem;
  color: var(--dimmer);
  line-height: 1.6;
  border-top: 1px solid var(--dimmer);
  padding-top: 1.25rem;
}
#about-close {
  background: none;
  border: none;
  color: var(--dimmer);
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 300;
  font-size: 0.75rem;
  cursor: pointer;
  padding: 0;
  transition: color 0.25s;
  text-align: left;
  -webkit-font-smoothing: antialiased;
}
#about-close:hover { color: var(--text); }

/* ─── Lifetime (return visits only) ──────────────────────────────────── */
#lifetime-entry {
  position: fixed;
  top: 1.75rem;
  right: 1.75rem;
  text-align: right;
  display: none;
}
#lifetime-entry .label {
  font-size: 0.75rem;
  color: var(--dimmer);
  margin-bottom: 0.2rem;
}
#lifetime-entry .value {
  font-family: 'DM Mono', monospace;
  font-weight: 300;
  font-size: 0.9375rem;
  color: var(--dim);
}

/* ─── Main ────────────────────────────────────────────────────────────── */
#main {
  display: flex;
  flex-direction: column;
  align-items: center;
}

#eyebrow {
  font-size: 0.8125rem;
  color: var(--dim);
  margin-bottom: 1.5rem;
  letter-spacing: 0.01em;
}

/* ─── Primary number ──────────────────────────────────────────────────── */
#ledger-value {
  font-family: 'DM Mono', monospace;
  font-weight: 300;
  font-size: clamp(3.5rem, 10vw, 6.5rem);
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

/* ─── Scaled number ───────────────────────────────────────────────────── */
#ledger-scale {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 0.625rem;
  gap: 0.375rem;
}
#scale-amount {
  font-family: 'DM Mono', monospace;
  font-weight: 300;
  font-size: clamp(2.25rem, 6vw, 4rem);
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  opacity: 0.6;
}
#scale-label {
  font-family: 'DM Mono', monospace;
  font-weight: 300;
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  color: var(--dimmer);
  text-align: center;
}

/* ─── Microcopy ───────────────────────────────────────────────────────── */
#margin-notes {
  margin-top: 2.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.625rem;
  min-height: 4rem;
}
.margin-note {
  font-size: 0.9375rem;
  color: var(--dim);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 2s ease, transform 2s ease;
  text-align: center;
  line-height: 1.5;
}
.margin-note.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Platform label ─────────────────────────────────────────────────── */
#platform-label {
  position: fixed;
  bottom: 7rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  color: var(--dim);
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.25s;
  -webkit-font-smoothing: antialiased;
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 300;
}
#platform-label:hover { color: var(--text); }

/* ─── Lens selector ───────────────────────────────────────────────────── */
#book-selector {
  position: fixed;
  bottom: 3.75rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  white-space: nowrap;
}
#book-selector button {
  background: none;
  border: none;
  color: var(--dimmer);
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 300;
  font-size: 0.75rem;
  cursor: pointer;
  padding: 0.25rem 0;
  transition: color 0.25s;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
}
#book-selector button:hover,
#book-selector button.active { color: var(--text); }
#book-selector .sep {
  color: var(--dimmer);
  font-size: 0.5rem;
  opacity: 0.35;
  user-select: none;
  padding-top: 0.4rem;
}
.lens-desc {
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--dimmer);
  transition: color 0.25s;
}
#book-selector button:hover .lens-desc,
#book-selector button.active .lens-desc { color: var(--dim); }

/* ─── Leave ───────────────────────────────────────────────────────────── */
#close-entry {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.375rem;
}
#leave-hover-text {
  font-family: 'DM Mono', monospace;
  font-weight: 300;
  font-style: italic;
  font-size: 0.6875rem;
  color: var(--dim);
  opacity: 0;
  transition: opacity 0.8s ease;
  white-space: nowrap;
  pointer-events: none;
}
#leave-hover-text.visible { opacity: 1; }
#leave-link {
  color: var(--dimmer);
  text-decoration: none;
  font-size: 0.75rem;
  transition: color 0.25s;
}
#leave-link:hover { color: var(--text); }

/* ─── Favicon SVG — hidden on page, serialized to favicon via JS ─────── */
#eye-svg {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

/* ─── Mobile ──────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  #about-btn      { top: 1rem; left: 1rem; }
  #lifetime-entry { top: 1rem; right: 1rem; }
  #book-selector  { gap: 0.75rem; }
  #book-selector button { font-size: 0.8125rem; color: var(--dim); }
}