/* ============================================================
   Magnifica Humanitas — Styles
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #FAF8F2;
  --text: #1C1A18;
  --text-muted: #6B6560;
  --accent: #7B2E2B;
  --accent-light: rgba(123, 46, 43, 0.10);
  --gold: #B5943A;
  --gold-bg: rgba(181, 148, 58, 0.08);
  --gold-border: rgba(181, 148, 58, 0.35);
  --border: #E0DCD5;
  --border-light: #EDE9E2;
  --serif: 'Lora', Georgia, 'Times New Roman', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --reading-width: 640px;
  --sidenote-width: 200px;
  --sidenote-gap: 24px;
  --toc-width: 220px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.7;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

/* ---------- Header ---------- */
#site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 2rem 1.5rem 1.25rem;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: padding 0.25s ease;
}

#site-header.compact .doc-title {
  font-size: 1rem;
  letter-spacing: 0.03em;
  margin-bottom: 0;
}

#site-header.compact .doc-subtitle,
#site-header.compact .doc-source {
  display: none;
}

#site-header.compact {
  padding: 0.5rem 1rem 0.4rem;
}

#site-header.compact .tier-controls {
  margin-bottom: 0.3rem;
}

#site-header.compact .tier-pill {
  padding: 0.2rem 0.7rem;
  font-size: 0.72rem;
}

#site-header.compact .tier-status {
  font-size: 0.7rem;
}

.header-inner {
  max-width: 900px;
  margin: 0 auto;
}

.doc-title {
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
  margin-bottom: 0.15rem;
}

.doc-subtitle {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.doc-source {
  font-family: var(--sans);
  font-size: 0.75rem;
  margin-bottom: 1rem;
}

.doc-source a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(123, 46, 43, 0.3);
  text-underline-offset: 2px;
}

.doc-source a:hover {
  text-decoration-color: var(--accent);
}

/* Tier pills */
.tier-controls {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
}

.tier-pill {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.tier-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.tier-pill.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.tier-status {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--text-muted);
  min-height: 1.2em;
}

/* ---------- Layout ---------- */
.layout {
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  position: relative;
}

/* ---------- TOC Sidebar ---------- */
#toc {
  position: sticky;
  top: 160px;
  width: var(--toc-width);
  min-width: var(--toc-width);
  align-self: flex-start;
  max-height: calc(100vh - 180px);
  overflow-y: auto;
  padding: 1rem 0.75rem;
  margin-right: 2rem;
  flex-shrink: 0;
  font-family: var(--sans);
  -ms-overflow-style: none;
  scrollbar-width: none;
}

#toc::-webkit-scrollbar {
  display: none;
}

.toc-chapter,
.toc-section {
  display: block;
  padding: 3px 8px;
  font-size: 0.78rem;
  line-height: 1.35;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 4px;
  border-left: 3px solid transparent;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
  cursor: pointer;
}

.toc-chapter {
  font-weight: 600;
  font-size: 0.8rem;
  margin-top: 0.5rem;
}

.toc-chapter:first-child {
  margin-top: 0;
}

.toc-section {
  padding-left: 20px;
  font-size: 0.73rem;
}

.toc-chapter:hover,
.toc-section:hover {
  background: rgba(0,0,0,0.04);
  color: var(--text);
}

.toc-chapter.active,
.toc-section.active {
  background: var(--accent-light);
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 600;
}

.toc-section.dimmed {
  opacity: 0.4;
}

.toc-section.dimmed:hover {
  opacity: 0.7;
}

/* ---------- Reading Pane ---------- */
#reading-pane {
  flex: 1;
  max-width: calc(var(--reading-width) + var(--sidenote-width) + var(--sidenote-gap));
  padding: 2rem 0 4rem;
  padding-right: calc(var(--sidenote-width) + var(--sidenote-gap));
  min-height: calc(100vh - 200px);
  position: relative;
}

/* Chapter heading */
.chapter-heading {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: center;
  color: var(--text);
  margin: 2.5rem 0 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.chapter-heading:first-child {
  margin-top: 0;
}

/* Section heading */
.section-heading {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent);
  margin: 2rem 0 0.75rem;
  font-style: italic;
}

/* Passages / paragraphs */
.passage {
  margin-bottom: 1.1rem;
  position: relative;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.passage-number {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  opacity: 0.5;
  margin-right: 0.35rem;
  user-select: none;
}

.passage-text {
  text-align: justify;
  hyphens: auto;
}

.passage-text em, .passage-text i {
  font-style: italic;
}

.passage-text a {
  color: var(--gold);
  text-decoration: underline;
  text-decoration-color: rgba(181, 148, 58, 0.4);
  text-underline-offset: 2px;
  transition: text-decoration-color 0.15s;
}

.passage-text a:hover {
  text-decoration-color: var(--gold);
}

/* Collapse button on expanded passages */
.collapse-btn {
  font-family: var(--sans);
  font-size: 0.7rem;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0.5;
  padding: 0.15rem 0.4rem;
  margin-left: 0.25rem;
  transition: opacity 0.15s;
}

.collapse-btn:hover {
  opacity: 1;
  color: var(--accent);
}

/* ---------- Ellipsis Gaps ---------- */
.ellipsis-gap {
  text-align: center;
  margin: 0.8rem 0;
}

.ellipsis-toggle {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: #8B7225;
  background: rgba(181, 148, 58, 0.08);
  border: 1.5px dashed rgba(181, 148, 58, 0.5);
  border-radius: 999px;
  padding: 0.3rem 1rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.ellipsis-toggle:hover {
  background: rgba(181, 148, 58, 0.14);
  border-color: var(--gold);
}

.ellipsis-dots {
  font-weight: 700;
  letter-spacing: 0.15em;
}

.ellipsis-label {
  font-style: italic;
}

/* AI context note */
.ai-context-note {
  background: var(--gold-bg);
  border-left: 3px solid var(--gold-border);
  border-radius: 0 6px 6px 0;
  padding: 0.75rem 1rem;
  margin: 0.6rem 0;
  animation: fadeIn 0.2s ease;
}

.ai-icon {
  color: var(--gold);
  font-weight: 700;
  margin-right: 0.3rem;
}

.ai-text {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-style: italic;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.show-passage-btn {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: none;
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 0.25rem 0.75rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.show-passage-btn:hover {
  background: var(--accent);
  color: #fff;
}

/* ---------- Footnote markers ---------- */
.fn-marker {
  font-family: var(--sans);
  font-size: 0.62rem;
  font-weight: 600;
  color: slategrey;
  background: rgba(150, 150, 150, 0.08);
  border: 1px solid rgba(150, 150, 150, 0.2);
  border-radius: 8px;
  padding: 1px 5px;
  margin-left: 2px;
  cursor: pointer;
  vertical-align: super;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
  display: inline-block;
  line-height: 1.4;
}

.fn-marker:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ---------- Sidenotes (Tufte-style) ---------- */

/* Passages need relative positioning so sidenotes can anchor to them */
.passage {
  position: relative;
}

.sidenote {
  position: absolute;
  right: calc(-1 * (var(--sidenote-width) + var(--sidenote-gap)));
  width: var(--sidenote-width);
  font-family: var(--sans);
  font-size: 0.72rem;
  line-height: 1.45;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.15s;
}

.sidenote:hover {
  color: var(--text);
}

.sidenote-number {
  font-weight: 700;
  font-size: 0.65rem;
  color: var(--accent);
  margin-right: 3px;
}

.sidenote-category {
  font-size: 0.58rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  opacity: 0.6;
  display: block;
  margin-top: 2px;
}

/* Expanded sidenote (clicked for detail) */
.sidenote.expanded {
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.6rem 0.7rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  z-index: 10;
}

.sidenote.expanded .sidenote-full {
  display: block;
}

.sidenote-full {
  display: none;
  margin-top: 0.4rem;
  padding-top: 0.4rem;
  border-top: 1px solid var(--border-light);
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--text);
}

.sidenote-full .fn-source-title {
  font-size: 0.7rem;
  color: var(--accent);
  font-style: italic;
  margin-bottom: 0.3rem;
}

.sidenote-full .fn-bible-text {
  background: var(--gold-bg);
  border-left: 2px solid var(--gold-border);
  padding: 0.35rem 0.5rem;
  font-size: 0.68rem;
  font-style: italic;
  line-height: 1.4;
  margin-top: 0.35rem;
  border-radius: 0 3px 3px 0;
}

.sidenote-close {
  position: absolute;
  top: 4px;
  right: 4px;
  font-size: 0.8rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0 4px;
  line-height: 1;
  display: none;
}

.sidenote.expanded .sidenote-close {
  display: block;
}

.sidenote-close:hover {
  color: var(--accent);
}

/* ---------- Mobile Footnote Panel (bottom sheet fallback) ---------- */
.fn-mobile-panel {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50vh;
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-radius: 12px 12px 0 0;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
  transform: translateY(100%);
  transition: transform 0.25s ease;
  z-index: 200;
  padding: 1.5rem;
  overflow-y: auto;
  font-family: var(--serif);
  display: none;
}

.fn-mobile-panel.open {
  transform: translateY(0);
}

.fn-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}

.fn-close:hover {
  background: rgba(0,0,0,0.06);
}

.fn-number {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.fn-text {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text);
  margin-bottom: 1rem;
}

.fn-category {
  font-family: var(--sans);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  background: rgba(0,0,0,0.05);
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

.fn-source-title {
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--accent);
  font-style: italic;
  margin-bottom: 0.5rem;
}

.fn-source-title a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.fn-bible-text {
  background: var(--gold-bg);
  border-left: 3px solid var(--gold-border);
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  font-style: italic;
  line-height: 1.5;
  margin-top: 0.5rem;
  border-radius: 0 4px 4px 0;
}

.fn-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.3);
  z-index: 150;
}

.fn-overlay.active {
  display: block;
}

/* ---------- AI Disclosure ---------- */
.ai-disclosure {
  font-family: var(--sans);
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  margin-top: 3rem;
  line-height: 1.5;
}

.ai-disclosure .ai-icon {
  color: var(--gold);
}

/* ---------- Responsive ---------- */

/* Tablet: hide TOC, sidenotes become inline toggles */
@media (max-width: 1024px) {
  #toc {
    display: none;
  }
  .layout {
    justify-content: center;
  }
  #reading-pane {
    max-width: 720px;
    padding-left: 1rem;
    padding-right: 1rem !important;
  }
  .sidenote {
    position: static;
    float: none;
    display: none;
    width: 100%;
    margin: 0.4rem 0 0.6rem;
    padding: 0.5rem 0.75rem;
    background: rgba(0,0,0,0.02);
    border-left: 2px solid var(--border);
    border-radius: 0 4px 4px 0;
    clear: both;
  }
  .sidenote.mobile-visible {
    display: block;
  }
  .fn-mobile-panel {
    display: block;
  }
}

/* Mobile: tighten spacing */
@media (max-width: 768px) {
  .doc-title {
    font-size: 1.4rem;
  }
  .tier-pill {
    font-size: 0.72rem;
    padding: 0.3rem 0.7rem;
  }
  #reading-pane {
    padding: 1rem;
  }
  .chapter-heading {
    font-size: 1.25rem;
  }
  .section-heading {
    font-size: 1.05rem;
  }
}

/* ---------- Utility ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}