/* ========================================================================
   theme.css — Shared styles for Librarians' Assembly secondary pages
   Used by: charter.html, apply.html, reading.html, 404.html
   The homepage (index.html) keeps its own embedded styles because of
   the volume of homepage-specific rules (modals, sentinel, quiz, etc.)
   ======================================================================== */

:root {
  --ink: #0a1320;
  --ink-deep: #050a14;
  --paper: #f4ead2;
  --paper-warm: #e8dcb8;
  --gold: #c79a3a;
  --gold-bright: #e6b94a;
  --crystal: #4ad8ff;
  --rule: rgba(199, 154, 58, 0.3);
  --serif: 'Cormorant Garamond', Georgia, serif;
  --mono: 'JetBrains Mono', 'Courier New', monospace;
}

/* ========================================================================
   SCRIBE MODE — toggle for warm parchment aesthetic. Inverts the palette
   by remapping CSS variables. The whole site responds because every color
   declaration uses these variables.
   ======================================================================== */
html.scribe-mode {
  --ink: #efe4c4;          /* parchment background */
  --ink-deep: #e6dab5;      /* deeper parchment */
  --paper: #2a1f10;         /* dark sepia ink */
  --paper-warm: #3a2a18;
  --gold: #8b6a1f;          /* darker, more printed-looking gold */
  --gold-bright: #6f5219;
  --crystal: #2a5060;       /* desaturated to fit the warm tone */
  --rule: rgba(139, 106, 31, 0.35);
}
html.scribe-mode body {
  background-image:
    radial-gradient(ellipse at 20% 20%, rgba(180, 140, 70, 0.06), transparent 60%),
    radial-gradient(ellipse at 80% 70%, rgba(180, 140, 70, 0.04), transparent 60%);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--ink-deep);
  color: var(--paper);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.7;
  font-weight: 300;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ========================================================================
   TOP BAR — shared sticky header on every secondary page
   ======================================================================== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 10, 20, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2.5rem;
}
.topbar-mark {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--paper);
}
.topbar-mark img {
  width: 32px;
  height: 32px;
  opacity: 0.85;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), filter 0.4s;
}
.topbar-mark:hover img {
  transform: rotate(15deg) scale(1.12);
  filter: drop-shadow(0 0 10px rgba(199, 154, 58, 0.8));
}
.topbar-mark span {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--paper);
  opacity: 0.75;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.topbar-back {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  text-decoration: none;
  border: 1px solid rgba(199, 154, 58, 0.4);
  padding: 0.55rem 1.1rem;
  transition: border-color 0.3s, background 0.3s;
}
.topbar-back:hover {
  border-color: var(--gold);
  background: rgba(199, 154, 58, 0.08);
}
.reading-time {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--paper);
  opacity: 0.55;
}

/* ========================================================================
   FOOTER — shared bottom bar
   ======================================================================== */
footer {
  text-align: center;
  padding: 3rem 2rem;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--paper);
  opacity: 0.5;
}
footer a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dotted rgba(244, 234, 210, 0.3);
}
footer a:hover { color: var(--gold); }

/* ========================================================================
   FADE-IN — applied to elements as they scroll into view
   The .in class is added by JS via IntersectionObserver
   (Same convention as the homepage so JS is consistent across pages)
   ======================================================================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s cubic-bezier(0.2, 0.8, 0.2, 1), transform 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.fade-in.in {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ========================================================================
   BACK-TO-TOP — floating gold pill on long pages, hidden until scrolled
   ======================================================================== */
.back-to-top {
  position: fixed;
  bottom: 1.6rem;
  right: 1.6rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(10, 19, 32, 0.85);
  border: 1px solid rgba(199, 154, 58, 0.5);
  color: var(--gold);
  font-family: var(--serif);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.3s, transform 0.3s, border-color 0.3s, background 0.3s, box-shadow 0.3s;
  z-index: 40;
  backdrop-filter: blur(6px);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.back-to-top:hover {
  border-color: var(--gold);
  background: rgba(199, 154, 58, 0.12);
  color: var(--gold-bright);
  box-shadow: 0 0 14px rgba(199, 154, 58, 0.25);
}
.back-to-top:focus-visible {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 2px rgba(199, 154, 58, 0.4);
}
@media (max-width: 600px) {
  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
}

/* ========================================================================
   RESPONSIVE topbar adjustments shared across pages
   ======================================================================== */
@media (max-width: 600px) {
  .topbar { padding: 0.8rem 1.2rem; }
  .topbar-mark span { display: none; }
  .topbar-right { gap: 0.6rem; }
  .reading-time { display: none; }
}

/* ========================================================================
   SEARCH — magnifying-glass icon in topbar opens a modal overlay
   Index is loaded from /search-index.json, searching is client-side.
   ======================================================================== */

.search-trigger {
  background: transparent;
  border: 1px solid rgba(199, 154, 58, 0.3);
  color: var(--gold);
  padding: 0.5rem 0.7rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.3s, background 0.3s, color 0.3s;
}
.search-trigger:hover {
  border-color: var(--gold);
  background: rgba(199, 154, 58, 0.06);
  color: var(--gold-bright);
}
.search-trigger svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}
.search-trigger-shortcut {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.18em;
  color: var(--paper);
  opacity: 0.5;
  margin-left: 0.5rem;
  text-transform: uppercase;
  border: 1px solid rgba(244, 234, 210, 0.18);
  padding: 1px 5px;
}
@media (max-width: 600px) {
  .search-trigger-shortcut { display: none; }
}

.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 10, 20, 0.92);
  backdrop-filter: blur(8px);
  z-index: 110;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 6rem 2rem 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
.search-overlay.open { opacity: 1; pointer-events: auto; }

.search-panel {
  width: 100%;
  max-width: 640px;
  background: var(--ink);
  border: 1px solid rgba(199, 154, 58, 0.4);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 8rem);
}

.search-input-wrap {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1.4rem 1.6rem;
  border-bottom: 1px solid rgba(199, 154, 58, 0.2);
}
.search-input-wrap svg {
  width: 18px;
  height: 18px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 2;
  flex-shrink: 0;
  opacity: 0.7;
}
.search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--paper);
  font-family: var(--serif);
  font-size: 1.3rem;
  font-style: italic;
  letter-spacing: 0;
}
.search-input::placeholder {
  color: var(--paper);
  opacity: 0.4;
  font-style: italic;
}
.search-close {
  background: transparent;
  border: 1px solid rgba(244, 234, 210, 0.2);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.3rem 0.55rem;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.3s, border-color 0.3s;
}
.search-close:hover { opacity: 1; border-color: var(--gold); color: var(--gold); }

.search-results {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}
.search-result {
  display: block;
  padding: 1rem 1.6rem;
  text-decoration: none;
  color: inherit;
  border-bottom: 1px dotted rgba(199, 154, 58, 0.12);
  transition: background 0.2s, border-color 0.2s;
  cursor: pointer;
}
.search-result:last-child { border-bottom: none; }
.search-result:hover,
.search-result.active {
  background: rgba(20, 35, 58, 0.6);
  border-bottom-color: rgba(199, 154, 58, 0.4);
}
.search-result-meta {
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.8;
  margin-bottom: 0.35rem;
}
.search-result-meta-kind {
  color: var(--crystal);
  opacity: 0.85;
}
.search-result-title {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--paper);
  margin-bottom: 0.2rem;
  font-style: italic;
}
.search-result-snippet {
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--paper);
  opacity: 0.7;
}
.search-result mark {
  background: rgba(230, 185, 74, 0.2);
  color: var(--gold-bright);
  padding: 0 2px;
  border-radius: 2px;
}

.search-empty {
  padding: 3rem 1.6rem;
  text-align: center;
  font-style: italic;
  font-size: 1rem;
  color: var(--paper);
  opacity: 0.6;
}
.search-empty-eyebrow {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.7;
  margin-bottom: 0.6rem;
}

.search-hint {
  padding: 1rem 1.6rem;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.25em;
  color: var(--paper);
  opacity: 0.4;
  text-transform: uppercase;
  border-top: 1px solid rgba(199, 154, 58, 0.1);
}
.search-hint kbd {
  font-family: var(--mono);
  background: rgba(244, 234, 210, 0.08);
  border: 1px solid rgba(244, 234, 210, 0.18);
  padding: 1px 5px;
  margin: 0 2px;
  font-size: 0.85em;
}

/* ========================================================================
   SOUND TOGGLE — small icon button next to search trigger
   ======================================================================== */
.sound-toggle {
  background: transparent;
  border: 1px solid rgba(199, 154, 58, 0.3);
  color: var(--gold);
  padding: 0.5rem 0.7rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.3s, background 0.3s, color 0.3s;
}
.sound-toggle:hover {
  border-color: var(--gold);
  background: rgba(199, 154, 58, 0.06);
  color: var(--gold-bright);
}
.sound-toggle svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

/* ========================================================================
   PAGE TRANSITION FADE — fades body in on load
   ======================================================================== */
@keyframes pageFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
body {
  animation: pageFadeIn 0.4s ease-out;
}
@media (prefers-reduced-motion: reduce) {
  body { animation: none; }
}

/* ========================================================================
   CURRENTLY-READING INDICATOR — appears in topbar showing which section
   you've scrolled into. Tiny, monochrome gold, fades in/out.
   ======================================================================== */
.current-section {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 0.3s;
  white-space: nowrap;
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  pointer-events: none;
}
.current-section.visible { opacity: 0.75; }
@media (max-width: 720px) {
  .current-section { display: none; }
}

/* ========================================================================
   SCRIBE MODE TOGGLE — small icon, same pattern as search/sound triggers
   ======================================================================== */
.scribe-toggle {
  background: transparent;
  border: 1px solid rgba(199, 154, 58, 0.3);
  color: var(--gold);
  padding: 0.5rem 0.7rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.3s, background 0.3s, color 0.3s;
}
.scribe-toggle:hover {
  border-color: var(--gold);
  background: rgba(199, 154, 58, 0.06);
  color: var(--gold-bright);
}
html.scribe-mode .scribe-toggle:hover {
  background: rgba(139, 106, 31, 0.1);
}
.scribe-toggle svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

/* ========================================================================
   READING-STREAK BADGE — small indicator in homepage Daily Reading section
   appears after 7 consecutive days, upgraded after 30
   ======================================================================== */
.streak-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1rem;
  padding: 0.35rem 0.85rem;
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  border: 1px solid rgba(199, 154, 58, 0.3);
  background: rgba(199, 154, 58, 0.05);
  opacity: 0;
  transition: opacity 0.6s 0.3s;
}
.streak-badge.visible { opacity: 0.9; }
.streak-badge svg {
  width: 12px;
  height: 12px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 2;
}

/* ========================================================================
   GLOSSARY TOOLTIPS — wrapped in-universe terms get a dotted gold underline.
   Hover (desktop) or tap (mobile) shows a small floating popup.
   ======================================================================== */
.glossary-term {
  border-bottom: 1px dotted rgba(199, 154, 58, 0.5);
  cursor: help;
  transition: color 0.25s, border-bottom-color 0.25s;
}
.glossary-term:hover,
.glossary-term:focus {
  color: var(--gold-bright);
  border-bottom-color: var(--gold-bright);
  outline: none;
}

.glossary-popup {
  position: absolute;
  z-index: 120;
  max-width: 320px;
  padding: 1rem 1.2rem;
  background: var(--ink);
  border: 1px solid rgba(199, 154, 58, 0.5);
  pointer-events: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.18s, transform 0.18s, visibility 0.18s;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}
.glossary-popup.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.glossary-popup-name {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--gold-bright);
  margin-bottom: 0.5rem;
  letter-spacing: -0.005em;
}
.glossary-popup-rule {
  width: 30px;
  height: 1px;
  background: var(--gold);
  opacity: 0.5;
  margin-bottom: 0.7rem;
}
.glossary-popup-def {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--paper);
  opacity: 0.88;
  font-style: normal;
}

/* Mobile: full-width banner from the bottom instead of a tooltip */
@media (max-width: 600px) {
  .glossary-popup {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    top: auto !important;
    max-width: none;
    border: none;
    border-top: 1px solid rgba(199, 154, 58, 0.5);
    padding: 1.2rem 1.4rem 1.6rem;
    transform: translateY(100%);
  }
  .glossary-popup.visible {
    transform: translateY(0);
  }
}