/*
  Ussher Chronology — Learn Section Styles
  © 2026 Mathew Green | greensonline.com.au/ussher/learn/
  All styles scoped under #learn-app to avoid conflicts with main.css
*/

/* ══════════════════════════════════════════════════════════
   LAYOUT SHELL
══════════════════════════════════════════════════════════ */
#learn-app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ══════════════════════════════════════════════════════════
   HEADER
══════════════════════════════════════════════════════════ */
.lrn-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.lrn-back {
  font-family: 'Cinzel', serif;
  font-size: 0.78rem;
  color: var(--text3);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s;
  letter-spacing: 0.04em;
}
.lrn-back:hover { color: var(--accent); }

.lrn-header-brand {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.1;
}
.lrn-header-sub {
  font-family: 'Cinzel', serif;
  font-size: 0.6rem;
  color: var(--text3);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.lrn-header-title {
  font-family: 'Cinzel', serif;
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lrn-theme-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: 50%;
  width: 34px;
  height: 34px;
  cursor: pointer;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, color 0.2s;
  flex-shrink: 0;
}
.lrn-theme-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ══════════════════════════════════════════════════════════
   SCREENS
══════════════════════════════════════════════════════════ */
.lrn-screen {
  display: none;
  flex: 1;
  padding-bottom: 3rem;
}
.lrn-screen.active {
  display: block;
}

.lrn-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Screen sub-header */
.screen-hdr {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  position: sticky;
  top: 53px;
  z-index: 90;
}

.screen-back {
  background: none;
  border: 1px solid var(--border);
  color: var(--text3);
  border-radius: 6px;
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
  cursor: pointer;
  font-family: 'Cinzel', serif;
  letter-spacing: 0.04em;
  transition: border-color 0.2s, color 0.2s;
  white-space: nowrap;
}
.screen-back:hover { border-color: var(--accent); color: var(--accent); }

.screen-title {
  font-family: 'Cinzel', serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.08em;
  flex: 1;
}

.screen-meta {
  font-size: 0.8rem;
  color: var(--text3);
  white-space: nowrap;
}

/* ══════════════════════════════════════════════════════════
   HOME — DASHBOARD
══════════════════════════════════════════════════════════ */
.lrn-dash {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1rem;
}

.dash-cell {
  text-align: center;
}
.dash-val {
  font-family: 'Cinzel', serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
}
.dash-lbl {
  font-size: 0.72rem;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.3rem;
}

/* ══════════════════════════════════════════════════════════
   HOME — MODE CARDS
══════════════════════════════════════════════════════════ */
.lrn-modes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.mode-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem 1.5rem;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.2s, transform 0.15s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.mode-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.mode-icon {
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 0.25rem;
}
.mode-name {
  font-family: 'Cinzel', serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.06em;
}
.mode-desc {
  font-size: 0.88rem;
  color: var(--text2);
  line-height: 1.5;
}

/* ══════════════════════════════════════════════════════════
   SHARED BUTTONS
══════════════════════════════════════════════════════════ */
.lrn-btn {
  border: none;
  border-radius: 8px;
  padding: 0.65rem 1.5rem;
  font-size: 0.9rem;
  font-family: 'Cinzel', serif;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.lrn-btn:hover { opacity: 0.88; transform: translateY(-1px); }
.lrn-btn:active { transform: translateY(0); }

.lrn-btn-primary {
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
}
.lrn-btn-secondary {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
}
.lrn-btn-ghost {
  background: transparent;
  color: var(--text3);
  border: 1px solid var(--border);
}
.lrn-btn-success {
  background: #3d7a4b;
  color: #fff;
  font-weight: 700;
}
.lrn-btn-hint {
  background: transparent;
  color: var(--text3);
  border: 1px dashed var(--border);
  font-size: 0.82rem;
  padding: 0.5rem 1rem;
}
.lrn-btn-hint:hover { border-color: var(--accent); color: var(--accent); }

/* ══════════════════════════════════════════════════════════
   FLASHCARDS
══════════════════════════════════════════════════════════ */
.fc-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}

.fc-chip {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text3);
  border-radius: 20px;
  padding: 0.25rem 0.8rem;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}
.fc-chip:hover,
.fc-chip.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(200,148,10,0.08);
}

.fc-pbar {
  height: 3px;
  background: var(--border);
}
.fc-pbar-fill {
  height: 3px;
  background: var(--accent);
  transition: width 0.3s ease;
  width: 0%;
}

.fc-arena {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 1.5rem 1rem;
}

/* The card with 3D flip */
.fc-card {
  perspective: 1200px;
  width: 100%;
  max-width: 600px;
  height: 280px;
  cursor: pointer;
  user-select: none;
}

.fc-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 14px;
}
.fc-inner.flipped {
  transform: rotateY(180deg);
}

.fc-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 2.5rem;
  gap: 1rem;
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
}

.fc-back {
  transform: rotateY(180deg);
  background: var(--surface);
}

.fc-cat {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text3);
  font-family: 'Cinzel', serif;
  align-self: flex-start;
}

.fc-era-badge {
  align-self: flex-start;
  font-size: 0.7rem;
  font-family: 'Cinzel', serif;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  border: 1px solid currentColor;
  opacity: 0.7;
  display: none;
}
.fc-era-badge.visible { display: inline-block; }

.fc-q {
  font-size: 1.1rem;
  text-align: center;
  color: var(--text);
  line-height: 1.55;
  font-weight: 400;
}

.fc-tap {
  font-size: 0.72rem;
  color: var(--text3);
  letter-spacing: 0.06em;
  position: absolute;
  bottom: 1rem;
  right: 1.25rem;
}

.fc-a {
  font-family: 'Cinzel', serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
  text-align: center;
  line-height: 1.35;
}

.fc-hint {
  font-size: 0.8rem;
  color: var(--text3);
  text-align: center;
  font-style: italic;
  line-height: 1.4;
}

.fc-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
}

.fc-btn {
  flex: 1;
  max-width: 180px;
  padding: 0.7rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 0.9rem;
  cursor: pointer;
  font-family: 'Cinzel', serif;
  letter-spacing: 0.04em;
  transition: all 0.15s;
  background: var(--card-bg);
  color: var(--text2);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}
.fc-btn:hover { transform: translateY(-1px); }
.fc-miss { border-color: #7a3520; color: #c05030; }
.fc-miss:hover { background: rgba(120,53,32,0.12); }
.fc-got  { border-color: #3d7a4b; color: #5aab6a; }
.fc-got:hover  { background: rgba(61,122,75,0.12); }
.fc-skip { color: var(--text3); }

.fc-done {
  display: none;
  text-align: center;
  padding: 3rem 1.5rem;
}
.fc-done.visible { display: block; }

.fc-done-title {
  font-family: 'Cinzel', serif;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 1rem;
}
.fc-done-stats {
  color: var(--text2);
  font-size: 0.95rem;
  margin-bottom: 2rem;
  line-height: 1.8;
}
.fc-done-btns {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ══════════════════════════════════════════════════════════
   QUIZ
══════════════════════════════════════════════════════════ */
.quiz-setup {
  max-width: 520px;
  margin: 2.5rem auto;
  padding: 0 1.5rem;
}

.quiz-setup-title {
  font-family: 'Cinzel', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1.5rem;
  letter-spacing: 0.06em;
}

.quiz-opt-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}
.quiz-opt-row:first-of-type { border-top: 1px solid var(--border); }
.quiz-opt-row label {
  font-size: 0.9rem;
  color: var(--text2);
}
.lrn-select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 0.35rem 0.65rem;
  font-size: 0.85rem;
  font-family: inherit;
  cursor: pointer;
  min-width: 170px;
}
.quiz-setup .lrn-btn-primary {
  margin-top: 1.75rem;
  width: 100%;
  justify-content: center;
  padding: 0.8rem;
  font-size: 1rem;
}

/* Quiz progress bar */
.quiz-pbar {
  height: 3px;
  background: var(--border);
  margin-bottom: 0;
}
.quiz-pbar-fill {
  height: 3px;
  background: var(--accent);
  transition: width 0.3s ease;
  width: 0%;
}

/* Question card */
.quiz-q-card {
  max-width: 680px;
  margin: 1.5rem auto 1rem;
  padding: 1.5rem 2rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.12);
}

.quiz-q-cat {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text3);
  font-family: 'Cinzel', serif;
  margin-bottom: 0.75rem;
}

.quiz-q-text {
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.6;
}

/* Options */
.quiz-opts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  max-width: 680px;
  margin: 0 auto;
  padding: 0 0 0.5rem;
}

.quiz-opt-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
  text-align: left;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.45;
  transition: border-color 0.15s, background 0.15s;
  font-family: inherit;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}
.quiz-opt-btn:hover:not(:disabled) {
  border-color: var(--accent);
  background: rgba(200,148,10,0.06);
}
.quiz-opt-btn .opt-letter {
  font-family: 'Cinzel', serif;
  font-weight: 700;
  color: var(--text3);
  font-size: 0.8rem;
  min-width: 18px;
  padding-top: 1px;
}
.quiz-opt-btn.correct  { border-color: #3d7a4b; background: rgba(61,122,75,0.12); }
.quiz-opt-btn.wrong    { border-color: #7a3520; background: rgba(120,53,32,0.1); }
.quiz-opt-btn:disabled { cursor: default; }

/* Explanation */
.quiz-explain {
  max-width: 680px;
  margin: 0.75rem auto;
  padding: 0.85rem 1.25rem;
  background: var(--surface);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  font-size: 0.88rem;
  color: var(--text2);
  line-height: 1.55;
  display: none;
}
.quiz-explain.visible { display: block; }

.quiz-next-btn {
  display: none;
  margin: 0.75rem auto 1.5rem;
  padding: 0.65rem 2.5rem;
}
.quiz-next-btn.visible {
  display: block;
  text-align: center;
}

/* Results */
.quiz-results-wrap {
  max-width: 520px;
  margin: 2.5rem auto;
  padding: 0 1.5rem;
  text-align: center;
}

.quiz-r-title {
  font-family: 'Cinzel', serif;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.quiz-r-score {
  font-family: 'Cinzel', serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}

.quiz-r-grade {
  font-size: 1rem;
  color: var(--text2);
  margin: 0.5rem 0 1.5rem;
}

.quiz-r-breakdown {
  font-size: 0.85rem;
  color: var(--text3);
  line-height: 2;
  margin-bottom: 2rem;
}

.quiz-r-btns {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
}

/* ══════════════════════════════════════════════════════════
   TIMELINE CHALLENGE
══════════════════════════════════════════════════════════ */
.tl-instruct {
  text-align: center;
  color: var(--text2);
  font-size: 0.9rem;
  padding: 1rem 1.5rem 0.5rem;
  line-height: 1.55;
}

.tl-events {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.85rem;
  max-width: 900px;
  margin: 1.25rem auto 1rem;
  padding: 0 1.5rem;
}

.tl-evt-tile {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.1s;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  position: relative;
  user-select: none;
}
.tl-evt-tile:hover:not(.submitted) {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.tl-seq-num {
  font-family: 'Cinzel', serif;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 22px;
  opacity: 0;
  transition: opacity 0.15s;
}
.tl-evt-tile.selected .tl-seq-num { opacity: 1; }

.tl-evt-info {
  flex: 1;
}
.tl-evt-title-text {
  font-size: 0.88rem;
  color: var(--text);
  font-weight: 600;
  line-height: 1.35;
}
.tl-evt-era-tag {
  font-size: 0.7rem;
  color: var(--text3);
  margin-top: 0.25rem;
}

.tl-evt-tile.selected {
  border-color: var(--accent);
  background: rgba(200,148,10,0.06);
}
.tl-evt-tile.correct-order {
  border-color: #3d7a4b;
  background: rgba(61,122,75,0.1);
}
.tl-evt-tile.wrong-order {
  border-color: #7a3520;
  background: rgba(120,53,32,0.08);
}

.tl-evt-tile .tl-correct-pos {
  font-size: 0.7rem;
  color: #5aab6a;
  margin-top: 0.25rem;
  display: none;
}
.tl-evt-tile.wrong-order .tl-correct-pos { display: block; }

.tl-btns {
  display: flex;
  justify-content: center;
  gap: 1rem;
  padding: 0.5rem 1.5rem 1rem;
}

.tl-result {
  max-width: 680px;
  margin: 0 auto 1.5rem;
  padding: 1rem 1.5rem;
  text-align: center;
  font-size: 1rem;
  color: var(--text2);
  line-height: 1.6;
}

/* ══════════════════════════════════════════════════════════
   LESSONS
══════════════════════════════════════════════════════════ */
.lessons-list {
  max-width: 700px;
  margin: 1.5rem auto;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.lesson-row {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.9rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.1s;
}
.lesson-row:hover {
  border-color: var(--accent);
  transform: translateX(3px);
}
.lesson-row.done {
  border-left: 3px solid #3d7a4b;
}

.lesson-row-era {
  font-family: 'Cinzel', serif;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
  flex: 1;
}
.lesson-row-count {
  font-size: 0.78rem;
  color: var(--text3);
}
.lesson-row-tick {
  font-size: 1rem;
  color: #5aab6a;
  opacity: 0;
  transition: opacity 0.15s;
}
.lesson-row.done .lesson-row-tick { opacity: 1; }

/* Lesson detail */
.lesson-era-banner {
  padding: 0.6rem 1.5rem;
  font-family: 'Cinzel', serif;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text3);
  border-bottom: 1px solid var(--border);
}

.lesson-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  position: sticky;
  top: 105px;
  z-index: 80;
}

.lesson-nav-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text3);
  border-radius: 6px;
  padding: 0.3rem 0.75rem;
  font-size: 0.78rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
  font-family: 'Cinzel', serif;
}
.lesson-nav-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.lesson-nav-btn:disabled { opacity: 0.3; cursor: default; }

.lesson-pos {
  font-size: 0.8rem;
  color: var(--text3);
  font-family: 'Cinzel', serif;
}

.lesson-evt-card {
  max-width: 740px;
  margin: 1.5rem auto;
  padding: 0 1.5rem;
}

.lesson-evt-date {
  font-family: 'Cinzel', serif;
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.lesson-evt-title {
  font-family: 'Cinzel', serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1.25rem;
  line-height: 1.3;
}

.lesson-evt-desc {
  font-size: 0.95rem;
  color: var(--text2);
  line-height: 1.75;
  margin-bottom: 1.25rem;
  max-height: 320px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

.lesson-evt-refs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.lesson-ref-pill {
  font-family: 'Cinzel', serif;
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--accent);
  letter-spacing: 0.06em;
  background: transparent;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.lesson-ref-pill:hover {
  border-color: var(--accent);
  background: rgba(200,148,10,0.08);
}

.lesson-evt-people {
  font-size: 0.8rem;
  color: var(--text3);
  font-style: italic;
}

.lesson-footer {
  max-width: 740px;
  margin: 0 auto 2rem;
  padding: 1rem 1.5rem;
  text-align: center;
}

/* ══════════════════════════════════════════════════════════
   MESSIANIC TRAIL
══════════════════════════════════════════════════════════ */
.trail-setup {
  max-width: 680px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

.trail-setup-intro {
  color: var(--text2);
  font-size: 0.95rem;
  line-height: 1.7;
  text-align: center;
  margin-bottom: 1.75rem;
}

.trail-segment-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.trail-seg-sub {
  font-size: 0.8rem;
  color: var(--accent);
  font-family: 'Cinzel', serif;
  letter-spacing: 0.04em;
  margin-top: -0.15rem;
}
.trail-seg-best {
  font-size: 0.78rem;
  color: var(--text3);
  margin-top: 0.2rem;
}

.trail-seg-btn {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem 1.25rem;
  cursor: pointer;
  text-align: center;
  transition: border-color 0.2s, transform 0.15s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.trail-seg-btn:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.trail-seg-icon {
  font-size: 1.8rem;
  margin-bottom: 0.25rem;
}
.trail-seg-title {
  font-family: 'Cinzel', serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.06em;
}
.trail-seg-desc {
  font-size: 0.82rem;
  color: var(--text2);
  line-height: 1.5;
}

/* Play area */
.trail-chain-wrap {
  max-width: 680px;
  margin: 1.25rem auto 0;
  padding: 0.75rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  /* Scrolls horizontally so you can see the full chain built up */
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.trail-chain-wrap::-webkit-scrollbar { height: 4px; }
.trail-chain-wrap::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.trail-chain {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;        /* single scrollable row */
  gap: 0;
  font-size: 0.82rem;
  min-height: 2rem;
  width: max-content;       /* expand to fit all names */
}

.trail-chain-name {
  font-family: 'Cinzel', serif;
  font-size: 0.78rem;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  color: var(--text3);
  background: var(--card-bg);
  white-space: nowrap;
}
.trail-chain-name.current {
  color: var(--accent);
  border-color: var(--accent);
  font-weight: 700;
}
.trail-chain-name.unknown {
  color: var(--text3);
  border-color: var(--border);
  border-style: dashed;
  opacity: 0.6;
}

.trail-arrow {
  color: var(--text3);
  padding: 0 0.2rem;
  font-size: 0.8rem;
}

.trail-note-label {
  max-width: 680px;
  margin: 1rem auto 0.2rem;
  padding: 0 1.5rem;
  font-size: 0.72rem;
  font-family: 'Cinzel', serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text3);
  text-align: left;
}

.trail-current-note {
  max-width: 680px;
  margin: 0 auto 0.75rem;
  padding: 0.6rem 1.5rem 0.6rem 1.5rem;
  font-size: 0.88rem;
  color: var(--text2);
  line-height: 1.6;
  font-style: italic;
  text-align: center;
  background: var(--surface);
  border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0;
}

.trail-question-label {
  max-width: 680px;
  margin: 0.75rem auto 0.4rem;
  padding: 0 1.5rem;
  font-size: 0.75rem;
  font-family: 'Cinzel', serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  text-align: center;
}

.trail-explain {
  display: none;
}

.trail-r-best {
  font-size: 0.85rem;
  color: var(--text3);
  margin-top: -0.5rem;
}

/* ══════════════════════════════════════════════════════════
   WHO AM I?
══════════════════════════════════════════════════════════ */
.wa-intro {
  max-width: 520px;
  margin: 2rem auto;
  padding: 0 1.5rem;
  text-align: center;
}

.wa-intro-icon {
  font-size: 3.5rem;
  margin-bottom: 0.75rem;
  line-height: 1;
}

.wa-intro-title {
  font-family: 'Cinzel', serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
  letter-spacing: 0.06em;
}

.wa-intro-desc {
  font-size: 0.92rem;
  color: var(--text2);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.wa-scoring {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.5rem;
}

.wa-score-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: var(--text2);
}

.wa-pts {
  font-family: 'Cinzel', serif;
  font-weight: 700;
  color: var(--accent);
  min-width: 40px;
  text-align: right;
}

.wa-intro .lrn-btn-primary {
  width: 100%;
  justify-content: center;
  padding: 0.8rem;
  font-size: 1rem;
}

/* Clue reveal area */
.wa-clues {
  max-width: 680px;
  margin: 0.5rem auto 1rem;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.wa-clue {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: 0 8px 8px 0;
  padding: 0.7rem 1rem;
  font-size: 0.9rem;
  color: var(--text2);
  line-height: 1.55;
}

.wa-clue.wa-clue-new {
  border-left-color: var(--accent);
  animation: clue-slide 0.35s ease;
}

@keyframes clue-slide {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.wa-clue-btn {
  display: block;
  margin: 0.25rem auto 1rem;
}

.quiz-explain.wa-correct {
  border-left-color: #3d7a4b;
  color: #5aab6a;
}
.quiz-explain.wa-wrong {
  border-left-color: #7a3520;
  color: #c05030;
}

/* ══════════════════════════════════════════════════════════
   SCRIPTURE MODAL
══════════════════════════════════════════════════════════ */
.lrn-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.72);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  backdrop-filter: blur(4px);
}
.lrn-modal-overlay.open {
  display: flex;
}

.lrn-modal {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 100%;
  max-width: 520px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 48px rgba(0,0,0,0.4);
  overflow: hidden;
}

.lrn-modal-hdr {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem 0.85rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.lrn-modal-title {
  flex: 1;
  font-family: 'Cinzel', serif;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.lrn-modal-close {
  background: none;
  border: 1px solid var(--border);
  color: var(--text3);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color 0.15s, color 0.15s;
}
.lrn-modal-close:hover { border-color: var(--accent); color: var(--accent); }

.lrn-modal-body {
  padding: 1.25rem 1.5rem;
  overflow-y: auto;
  flex: 1;
}

.lrn-modal-footer {
  padding: 0.75rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--surface);
  text-align: right;
}

.lrn-blb-link {
  font-size: 0.8rem;
  color: var(--text3);
  text-decoration: none;
  font-family: 'Cinzel', serif;
  letter-spacing: 0.04em;
  transition: color 0.15s;
}
.lrn-blb-link:hover { color: var(--accent); }

.lrn-spinner {
  text-align: center;
  color: var(--text3);
  font-size: 0.9rem;
  padding: 1.5rem 0;
  font-style: italic;
}

.scrip-ref {
  font-family: 'Cinzel', serif;
  font-size: 0.75rem;
  color: var(--text3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.scrip-text {
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.8;
  font-style: italic;
}

.scrip-err {
  color: var(--text3);
  font-size: 0.9rem;
  font-style: italic;
  text-align: center;
  padding: 1rem 0;
}

/* ══════════════════════════════════════════════════════════
   WHO LIVED LONGER?
══════════════════════════════════════════════════════════ */
.longer-vs-label {
  text-align: center;
  font-family: 'Cinzel', serif;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  padding: 1rem 0 0.5rem;
}

.longer-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  max-width: 680px;
  margin: 0 auto;
  padding: 0.5rem 1.5rem 1rem;
}

.longer-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.75rem 1.25rem;
  cursor: pointer;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  transition: border-color 0.15s, transform 0.12s, box-shadow 0.15s;
  font-family: inherit;
  min-height: 160px;
  justify-content: center;
}
.longer-card:hover:not(:disabled) {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.longer-card:disabled { cursor: default; }

.longer-name {
  font-family: 'Cinzel', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}
.longer-role {
  font-size: 0.78rem;
  color: var(--text3);
  line-height: 1.4;
}
.longer-life {
  font-family: 'Cinzel', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  margin-top: 0.25rem;
}

.longer-card.longer-correct {
  border-color: #3d7a4b;
  background: rgba(61,122,75,0.1);
}
.longer-card.longer-wrong {
  border-color: #7a3520;
  background: rgba(120,53,32,0.08);
}

#longer-next-btn, #detective-next-btn {
  display: block;
  margin: 0.75rem auto 1.5rem;
  padding: 0.65rem 2.5rem;
  text-align: center;
}

/* ══════════════════════════════════════════════════════════
   SCRIPTURE DETECTIVE
══════════════════════════════════════════════════════════ */
.detective-setup {
  max-width: 520px;
  margin: 2.5rem auto;
  padding: 0 1.5rem;
  text-align: center;
}
.detective-setup-icon {
  font-size: 3rem;
  margin-bottom: 0.75rem;
  line-height: 1;
}
.detective-setup-title {
  font-family: 'Cinzel', serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
  letter-spacing: 0.06em;
}
.detective-setup-desc {
  font-size: 0.92rem;
  color: var(--text2);
  line-height: 1.7;
  margin-bottom: 2rem;
}
.detective-setup .lrn-btn-primary {
  width: 100%;
  justify-content: center;
  padding: 0.8rem;
  font-size: 1rem;
}

.detective-verse-card {
  max-width: 680px;
  margin: 1.25rem auto 1rem;
  padding: 1.5rem 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  border-left: 4px solid var(--accent);
}
.detective-ref {
  font-family: 'Cinzel', serif;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}
.detective-verse-text {
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.85;
  font-style: italic;
  min-height: 3rem;
}

/* ══════════════════════════════════════════════════════════
   ERA PARADE
══════════════════════════════════════════════════════════ */
.eras-instruct {
  text-align: center;
  color: var(--text2);
  font-size: 0.9rem;
  padding: 1rem 1.5rem 0.25rem;
  line-height: 1.55;
}

.eras-zone-label {
  text-align: center;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text3);
  font-family: 'Cinzel', serif;
  padding: 0.85rem 1.5rem 0.35rem;
}
.eras-zone-label-answer {
  padding-top: 1.25rem;
  color: var(--text2);
}

.eras-source,
.eras-answer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  max-width: 800px;
  margin: 0 auto;
  padding: 0.5rem 1.5rem;
  min-height: 56px;
}

.eras-answer {
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: 12px;
  align-items: flex-start;
  align-content: flex-start;
}

.era-tile {
  font-family: 'Cinzel', serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.4rem 1rem;
  border: 1px solid;
  border-radius: 20px;
  background: transparent;
  cursor: pointer;
  transition: background 0.12s, transform 0.1s, opacity 0.15s;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.era-tile:hover { background: rgba(255,255,255,0.06); transform: translateY(-1px); }

.era-tile-answer {
  cursor: pointer;
}
.era-tile-answer:hover { opacity: 0.8; }

.era-pos {
  font-size: 0.65rem;
  opacity: 0.6;
  min-width: 14px;
}

.era-correct { background: rgba(61,122,75,0.15) !important; border-style: solid !important; }
.era-wrong   { background: rgba(120,53,32,0.12) !important; border-style: solid !important; opacity: 0.85; }

.era-correct-label {
  font-size: 0.68rem;
  font-weight: 400;
  opacity: 0.75;
  margin-left: 0.3rem;
  white-space: nowrap;
}

.eras-placeholder {
  color: var(--text3);
  font-size: 0.85rem;
  font-style: italic;
  padding: 0.75rem 0.5rem;
}
.eras-all-placed {
  color: var(--text3);
  font-size: 0.85rem;
  font-style: italic;
  padding: 0.5rem;
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════ */
@media (max-width: 800px) {
  .lrn-modes {
    grid-template-columns: repeat(2, 1fr);
  }
  .trail-segment-btns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .lrn-dash {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }
  .lrn-modes {
    grid-template-columns: 1fr;
  }
  .fc-card { height: 240px; }
  .fc-q { font-size: 0.98rem; }
  .fc-a { font-size: 1.1rem; }
  .fc-face { padding: 1.25rem 1.5rem; }
  .quiz-opts {
    grid-template-columns: 1fr;
  }
  .tl-events {
    grid-template-columns: 1fr;
  }
  .screen-hdr { top: 48px; }
  .lrn-header { padding: 0.6rem 1rem; }
  .tl-btns { flex-wrap: wrap; }
  .longer-pair { grid-template-columns: 1fr; gap: 0.85rem; }
  .detective-verse-card { padding: 1.1rem 1.25rem; }
  .detective-verse-text { font-size: 0.95rem; }
  .eras-source, .eras-answer { padding: 0.5rem 1rem; }
}

@media (max-width: 400px) {
  .fc-controls { gap: 0.5rem; }
  .fc-btn { font-size: 0.78rem; padding: 0.55rem 0.5rem; }
}

/* ══════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════ */
.lrn-footer {
  border-top: 1px solid var(--border);
  background: var(--nav-bg);
  padding: 2rem 1.5rem;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text3);
  line-height: 2;
}
.lrn-footer p { margin: 0; }
.lrn-footer p + p { margin-top: 0.25rem; }
.lrn-footer a {
  color: var(--text2);
  text-decoration: none;
  transition: color 0.15s;
}
.lrn-footer a:hover { color: var(--accent); }

.lrn-footer-annals {
  font-family: 'Cinzel', serif;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--accent) !important;
}

.lrn-footer-copy {
  margin-top: 0.6rem !important;
  font-size: 0.76rem;
  color: var(--text3);
  line-height: 1.8 !important;
}