/* ============================================================
   THE SOVEREIGN MOTHER — PRESENTATION DESIGN SYSTEM
   Matches globals.css of thesovereignmother.com
   ============================================================ */

:root {
  /* --- Brand Colors (exact match to website) --- */
  --color-cream:      #FAF9F6;
  --color-sand:       #F8F0B0;
  --color-sage:       #B0C8C8;
  --color-charcoal:   #282828;
  --color-gold:       #F0C028;
  --color-terracotta: #783008;
  --color-teal:       #008098;
  --color-green:      #589038;
  --color-white:      #ffffff;

  /* --- Typography --- */
  --font-heading: 'Outfit', sans-serif;
  --font-body:    'Inter', sans-serif;

  /* --- Spacing & Radius --- */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;

  /* --- Brutalist shadows (brand signature) --- */
  --shadow-hard:  4px 4px 0px var(--color-charcoal);
  --shadow-hard-lg: 8px 8px 0px var(--color-charcoal);
  --shadow-hard-terracotta: 4px 4px 0px var(--color-terracotta);
  --shadow-hard-teal: 4px 4px 0px var(--color-teal);

  /* --- Transitions --- */
  --t-fast:   0.2s ease;
  --t-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden; /* No scroll — presentation mode */
  background-color: var(--color-cream);
  color: var(--color-charcoal);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 249, 246, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--color-charcoal);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-terracotta);
}

.nav-quarter-badge {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--color-sand);
  color: var(--color-charcoal);
  border: 2px solid var(--color-charcoal);
  border-radius: 20px;
  padding: 0.2rem 0.75rem;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

/* Language Slider (matches brand) */
.lang-slider {
  position: relative;
  display: flex;
  background: rgba(40, 40, 40, 0.06);
  border: 2px solid var(--color-charcoal);
  border-radius: 30px;
  padding: 3px;
  width: 100px;
  height: 36px;
  align-items: center;
  overflow: hidden;
}

.lang-btn {
  position: relative;
  z-index: 2;
  flex: 1;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-charcoal);
  transition: color var(--t-smooth);
  letter-spacing: 0.05em;
}

.lang-btn.active {
  color: var(--color-cream);
}

.lang-pill {
  position: absolute;
  top: 3px;
  bottom: 3px;
  left: 3px;
  width: calc(50% - 4px);
  background: var(--color-terracotta);
  border-radius: 22px;
  transition: transform var(--t-smooth);
  z-index: 1;
}

.lang-pill.fr {
  transform: translateX(calc(100% + 2px));
}

.slide-counter {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-charcoal);
  opacity: 0.5;
  letter-spacing: 0.04em;
  min-width: 48px;
  text-align: right;
}

/* Progress bar */
.progress-track {
  height: 3px;
  background: rgba(40, 40, 40, 0.1);
}

.progress-fill {
  height: 100%;
  background: var(--color-terracotta);
  transition: width var(--t-smooth);
  width: 0%;
}

/* ============================================================
   STAGE — SLIDE CONTAINER
   ============================================================ */
.stage {
  position: fixed;
  top: 69px; /* below navbar */
  left: 0;
  right: 0;
  bottom: 64px; /* above dot nav */
  overflow: hidden;
}

/* ============================================================
   SLIDES
   ============================================================ */
.slide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 3rem;
  opacity: 0;
  pointer-events: none;
  overflow-y: auto;
  transform: translateX(60px);
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide.active {
  opacity: 1;
  pointer-events: all;
  transform: translateX(0);
}

.slide.exit-left {
  opacity: 0;
  transform: translateX(-60px);
}

/* ============================================================
   SLIDE TYPES & BACKGROUNDS
   ============================================================ */

/* Cream (default) */
.slide--cream {
  background-color: var(--color-cream);
}

/* Sand accent */
.slide--sand {
  background-color: var(--color-sand);
}

/* Sage accent */
.slide--sage {
  background-color: var(--color-sage);
}

/* Dark charcoal */
.slide--dark,
.slide--charcoal {
  background-color: var(--color-charcoal);
  color: var(--color-cream);
}

.slide--dark h1, .slide--dark h2, .slide--dark h3,
.slide--charcoal h1, .slide--charcoal h2, .slide--charcoal h3 {
  color: var(--color-cream);
}

/* Terracotta hero */
.slide--terracotta {
  background-color: var(--color-terracotta);
  color: var(--color-cream);
}
.slide--terracotta h1, .slide--terracotta h2 {
  color: var(--color-cream);
}

/* Lesson card layout (no cover overlay — uses split layout) */
.slide--lesson {
  background-color: var(--color-cream);
  padding: 2rem 5rem;
  align-items: center;
  justify-content: center;
}

@media (max-width: 900px) {
  .slide--lesson {
    padding: 1.5rem 5rem;
  }
}

/* Cover image slide */
.slide--cover {
  background-size: cover;
  background-position: center;
  color: var(--color-cream);
}

.slide--cover::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(40, 40, 40, 0.45) 0%,
    rgba(40, 40, 40, 0.72) 100%
  );
  z-index: 0;
}

.slide--cover > * {
  position: relative;
  z-index: 1;
}

.slide--cover h1, .slide--cover h2, .slide--cover h3,
.slide--cover p, .slide--cover .tag {
  color: var(--color-cream);
}

/* ============================================================
   SLIDE CONTENT TYPOGRAPHY
   ============================================================ */
.slide-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.55;
  margin-bottom: 1rem;
}

.slide-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.slide-subtitle {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 600;
  opacity: 0.75;
  text-align: center;
  max-width: 820px;
  line-height: 1.4;
  margin: 0 auto 1.5rem auto;
}

.slide-body {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  line-height: 1.7;
  max-width: 780px;
  text-align: center;
  opacity: 0.85;
}

/* Decorative divider line (brand-style) */
.slide-divider {
  width: 60px;
  height: 4px;
  background: var(--color-terracotta);
  border-radius: 2px;
  margin: 1.25rem auto;
}

.slide--dark .slide-divider,
.slide--terracotta .slide-divider {
  background: var(--color-gold);
}

.slide--cover .slide-divider {
  background: var(--color-gold);
}

/* ============================================================
   CONTENT LAYOUTS
   ============================================================ */

/* Two-column layout */
.slide-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  width: 100%;
  max-width: 1100px;
  align-items: start;
}

.slide-cols--3 {
  grid-template-columns: repeat(3, 1fr);
}

/* ============================================================
   BRUTALIST CARDS (matches .premium-card from brand)
   ============================================================ */
.card {
  background: var(--color-white);
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hard);
  padding: 1.5rem;
  transition: transform var(--t-smooth), box-shadow var(--t-smooth);
}

.card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hard-lg);
}

.card--terracotta {
  border-color: var(--color-terracotta);
  box-shadow: var(--shadow-hard-terracotta);
}

.card--teal {
  border-color: var(--color-teal);
  box-shadow: var(--shadow-hard-teal);
}

.card--gold {
  border-color: var(--color-gold);
  box-shadow: 4px 4px 0px var(--color-gold);
}

.card-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-terracotta);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: 0.4rem;
  line-height: 1.3;
}

.card-body {
  font-size: 0.9rem;
  color: rgba(40,40,40,0.72);
  line-height: 1.6;
}

/* Tags / pill badges */
.tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.65rem;
  border-radius: 20px;
  border: 1.5px solid currentColor;
  margin-right: 0.4rem;
  margin-top: 0.5rem;
}

.tag--terracotta {
  color: var(--color-terracotta);
  background: rgba(120, 48, 8, 0.07);
}

.tag--teal {
  color: var(--color-teal);
  background: rgba(0, 128, 152, 0.07);
}

.tag--gold {
  color: #a07800;
  background: rgba(240, 192, 40, 0.12);
}

/* ============================================================
   BULLET LIST STYLE
   ============================================================ */
.slide-list {
  list-style: none;
  text-align: left;
  max-width: 700px;
  width: 100%;
}

.slide-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  line-height: 1.5;
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(40,40,40,0.08);
}

.slide-list li:last-child {
  border-bottom: none;
}

.slide-list .bullet {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-terracotta);
  color: var(--color-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  margin-top: 2px;
}

.slide--dark .slide-list li {
  border-bottom-color: rgba(250,249,246,0.1);
  color: var(--color-cream);
}

/* ============================================================
   LESSON SUMMARY CARD (for per-lesson slides)
   ============================================================ */
.lesson-card-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  width: 100%;
  max-width: 1100px;
  height: 100%;
  max-height: 520px;
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hard-lg);
}

.lesson-card-image {
  background-color: var(--color-sage);
  background-size: cover;
  background-position: center;
  min-height: 300px;
}

.lesson-card-content {
  background: var(--color-white);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
  color: var(--color-charcoal);
}

.lesson-week-badge {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-cream);
  background: var(--color-terracotta);
  border-radius: 20px;
  padding: 0.25rem 0.8rem;
  display: inline-block;
  width: fit-content;
}

.lesson-title {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-charcoal);
}

.lesson-summary {
  font-size: 1rem;
  line-height: 1.65;
  color: rgba(40, 40, 40, 0.85);
}

.lesson-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

/* ============================================================
   NAVIGATION ARROWS
   ============================================================ */
.nav-arrow {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  width: 52px;
  height: 52px;
  background: var(--color-white);
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-hard);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-charcoal);
  transition: transform var(--t-smooth), box-shadow var(--t-smooth), opacity var(--t-fast);
}

.nav-arrow:hover {
  transform: translateY(-50%) translate(-2px, -2px);
  box-shadow: var(--shadow-hard-lg);
}

.nav-arrow:disabled {
  opacity: 0.3;
  pointer-events: none;
}

.nav-arrow--prev {
  left: 1.25rem;
}

.nav-arrow--next {
  right: 1.25rem;
}

/* ============================================================
   DOT NAVIGATION
   ============================================================ */
.dot-nav {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 90;
  display: flex;
  gap: 8px;
  align-items: center;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(40, 40, 40, 0.2);
  border: none;
  cursor: pointer;
  transition: all var(--t-smooth);
  padding: 0;
}

.dot.active {
  width: 24px;
  border-radius: 4px;
  background: var(--color-terracotta);
}

.dot.section-dot {
  width: 10px;
  height: 10px;
  background: rgba(40, 40, 40, 0.12);
  border: 1.5px solid rgba(40,40,40,0.25);
}

.dot.section-dot.active {
  width: 24px;
  background: var(--color-terracotta);
  border-color: var(--color-terracotta);
}

/* ============================================================
   TITLE SLIDE SPECIAL ELEMENTS
   ============================================================ */
.title-eyebrow {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-terracotta);
  margin-bottom: 1rem;
}

.title-main {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--color-charcoal);
  margin-bottom: 1.5rem;
}

.title-main .accent {
  color: var(--color-terracotta);
}

.title-date {
  font-family: var(--font-body);
  font-size: 1rem;
  color: rgba(40,40,40,0.55);
  font-weight: 500;
}

/* Decorative circle background element */
.deco-circle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.deco-circle--gold {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(240,192,40,0.18) 0%, transparent 70%);
  top: -80px;
  right: -80px;
}

.deco-circle--teal {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(0,128,152,0.12) 0%, transparent 70%);
  bottom: -60px;
  left: -60px;
}

.slide > .deco-circle {
  position: absolute;
}

/* ============================================================
   SECTION HEADER slides (topic overviews)
   ============================================================ */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  width: 100%;
  max-width: 1000px;
}

.topic-card {
  background: var(--color-white);
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hard);
  padding: 1.25rem 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.topic-icon {
  font-size: 1.75rem;
  line-height: 1;
}

.topic-label, .topic-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-charcoal) !important;
  line-height: 1.3;
}

.topic-weeks {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-terracotta);
  font-family: var(--font-heading);
  letter-spacing: 0.04em;
}

/* ============================================================
   EXPECTATION ITEMS
   ============================================================ */
.expectation-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 700px;
  width: 100%;
}

.expectation-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--color-white);
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-hard);
  padding: 1rem 1.25rem;
}

.expectation-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.expectation-text strong {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-charcoal);
  margin-bottom: 0.1rem;
}

.expectation-text span {
  font-size: 0.9rem;
  color: rgba(40,40,40,0.65);
  line-height: 1.45;
}

/* ============================================================
   CLOSING / MOTIVATIONAL SLIDE
   ============================================================ */
.closing-quote {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  text-align: center;
  max-width: 800px;
  color: var(--color-cream);
}

.closing-quote .highlight {
  color: var(--color-gold);
}

/* ============================================================
   AGENDA SLIDE (index slide)
   ============================================================ */
.agenda-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  max-width: 950px;
  width: 100%;
}

.agenda-item {
  background: var(--color-white);
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 3px 3px 0px var(--color-charcoal);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
}

.agenda-num {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--color-terracotta);
  min-width: 24px;
  line-height: 1;
}

/* ============================================================
   DISCUSSION SLIDE
   ============================================================ */
.discussion-cards {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-width: 720px;
  width: 100%;
}

.discussion-card {
  background: var(--color-sand);
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-hard);
  padding: 1rem 1.25rem;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--color-charcoal);
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.discussion-q {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--color-terracotta);
  flex-shrink: 0;
  line-height: 1;
  margin-top: 2px;
}

/* ============================================================
   LOADING STATE
   ============================================================ */
.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--color-cream);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  z-index: 999;
  transition: opacity 0.5s ease;
}

.loading-screen.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-terracotta);
}

.loading-bar {
  width: 200px;
  height: 4px;
  background: rgba(40,40,40,0.1);
  border-radius: 2px;
  overflow: hidden;
}

.loading-bar-fill {
  height: 100%;
  background: var(--color-terracotta);
  width: 0%;
  animation: loadingBar 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes loadingBar {
  to { width: 100%; }
}

/* ============================================================
   RESPONSIVE — MEDIUM SCREENS
   ============================================================ */
@media (max-width: 900px) {
  .slide {
    padding: 1.5rem 2rem;
  }

  .lesson-card-inner {
    grid-template-columns: 1fr;
    max-height: none;
  }

  .lesson-card-image {
    min-height: 220px;
  }

  .slide-cols {
    grid-template-columns: 1fr;
  }

  .topic-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .agenda-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-arrow--prev { left: 0.5rem; }
  .nav-arrow--next { right: 0.5rem; }
}

/* ============================================================
   AI PRESENTATION CUSTOM SLIDES (Week 18 & 19 Additions)
   ============================================================ */

/* Force correct contrast colors on light background slides */
.slide--cream, .slide--sand, .slide--sage {
  color: var(--color-charcoal) !important;
}

.slide--cream h1, .slide--cream h2, .slide--cream h3,
.slide--sand h1, .slide--sand h2, .slide--sand h3,
.slide--sage h1, .slide--sage h2, .slide--sage h3 {
  color: var(--color-charcoal) !important;
}

.slide--cream .slide-label, .slide--sand .slide-label, .slide--sage .slide-label {
  color: var(--color-charcoal) !important;
  opacity: 0.65;
}

/* Chapter Break Styles */
.slide--terracotta {
  background-color: var(--color-terracotta);
  color: var(--color-cream);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.chapter-title {
  font-family: var(--font-heading);
  text-shadow: 3px 3px 0px var(--color-charcoal);
  letter-spacing: -0.02em;
}

/* Assignment Card Layout */
.assignment-cards-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  width: 100%;
  max-width: 1100px;
  margin-top: 1.5rem;
}

.assignment-card {
  background: var(--color-white);
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-hard);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  color: var(--color-charcoal);
  text-align: left;
}

.assignment-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px var(--color-charcoal);
}

.assignment-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.assignment-badge {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  background: var(--color-terracotta);
  color: var(--color-cream);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.assignment-level {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-teal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.assignment-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-charcoal);
  margin: 0.25rem 0;
  line-height: 1.2;
}

.assignment-prompt {
  font-size: 0.85rem;
  line-height: 1.5;
  color: rgba(40, 40, 40, 0.8);
  font-style: italic;
  background: var(--color-sand);
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-teal);
  margin-top: auto;
}

/* Live Demo Screen Share Layout */
.demo-display {
  display: grid;
  grid-template-columns: 220px 1fr;
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hard-lg);
  max-width: 900px;
  width: 100%;
  margin-top: 1.5rem;
}

.demo-sidebar {
  background: var(--color-terracotta);
  color: var(--color-cream);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: center;
  border-right: 2px solid var(--color-charcoal);
}

.demo-pulse {
  width: 20px;
  height: 20px;
  background-color: var(--color-teal);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(0, 128, 152, 0.7);
  animation: pulse 1.6s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(0, 128, 152, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 10px rgba(0, 128, 152, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(0, 128, 152, 0);
  }
}

.demo-sidebar strong {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  line-height: 1.3;
}

.demo-content {
  background: var(--color-white);
  padding: 2rem;
  display: flex;
  align-items: center;
}

/* Fix White on White list items inside demo panels */
.demo-content .slide-list li {
  color: var(--color-charcoal) !important;
  border-bottom-color: rgba(40,40,40,0.1) !important;
}

/* Nostr Collaborative Story Project rules */
.nostr-story-rules li {
  border-bottom-color: rgba(250, 249, 246, 0.15) !important;
}

/* Interactive Nostr Signup Box */
.nostr-signup-box {
  width: 100%;
  max-width: 700px;
  background: var(--color-white);
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-hard-lg);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  color: var(--color-charcoal);
  text-align: left;
  margin: 0 auto;
}

.signup-input-row {
  display: flex;
  gap: 0.6rem;
}

.brutalist-input {
  flex-grow: 1;
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-sm);
  padding: 0.6rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-charcoal);
  outline: none;
  background: var(--color-cream);
  transition: box-shadow 0.2s ease;
}

.brutalist-input:focus {
  box-shadow: 2px 2px 0px var(--color-charcoal);
}

.brutalist-btn-sm {
  background: var(--color-teal);
  color: var(--color-cream);
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.25rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: 2px 2px 0px var(--color-charcoal);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.brutalist-btn-sm:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px var(--color-charcoal);
}

.signup-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 320px;
  overflow-y: auto;
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-sm);
  padding: 0.65rem;
  background: var(--color-sand);
}

.signup-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 1rem;
  background: var(--color-white);
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease;
}

.signup-item.checked {
  background-color: rgba(0, 128, 152, 0.08);
}

.signup-item-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  cursor: pointer;
  flex-grow: 1;
}

.signup-checkbox {
  width: 22px;
  height: 22px;
  border: 2px solid var(--color-charcoal);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.95rem;
  color: var(--color-teal);
  background: var(--color-white);
  flex-shrink: 0;
}

.signup-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 800;
}

.signup-meta-badge {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-charcoal);
  opacity: 0.7;
  background: rgba(40,40,40,0.06);
  padding: 0.15rem 0.5rem;
  border: 1px solid var(--color-charcoal);
  border-radius: 12px;
  margin-left: 0.5rem;
}

.signup-remove-btn {
  background: none;
  border: none;
  color: rgba(40, 40, 40, 0.4);
  font-size: 1rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  transition: color 0.2s ease;
}

.signup-remove-btn:hover {
  color: var(--color-terracotta);
}

/* ============================================================
   NOSTR EXPERIMENT SCHEDULER SLIDE
   ============================================================ */
.nostr-schedule-container {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  width: 100%;
  max-width: 1100px;
  margin-top: 1.5rem;
  align-items: stretch;
}

.schedule-panel-left {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border: 2px solid var(--color-charcoal);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-hard-lg);
}

.schedule-date-picker {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  border-bottom: 2px dashed rgba(40,40,40,0.15);
  padding-bottom: 1rem;
}

.brutalist-input-sm {
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.75rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  background: var(--color-cream);
  box-shadow: 2px 2px 0px var(--color-charcoal);
}

.schedule-scroller {
  flex-grow: 1;
  max-height: 330px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding-right: 0.5rem;
}

.schedule-item {
  display: flex;
  align-items: center;
  background: var(--color-cream);
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.25rem;
  transition: transform 0.2s ease;
}

.schedule-item.today {
  background: var(--color-sand);
  border-color: var(--color-terracotta);
  box-shadow: 3px 3px 0px var(--color-terracotta);
  transform: scale(1.02);
}

.schedule-date {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 800;
  width: 130px;
  flex-shrink: 0;
}

.schedule-writer-details {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-grow: 1;
}

.writer-flag-name {
  font-family: var(--font-body);
  font-size: 1rem;
}

.writer-badge {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-charcoal);
  opacity: 0.6;
}

.schedule-item.today .writer-badge {
  color: var(--color-terracotta);
  opacity: 1;
  font-weight: 900;
}

/* Prompt Box styling (right side) */
.schedule-panel-right {
  display: flex;
  flex-direction: column;
  border: 2px solid var(--color-charcoal);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-hard-lg);
  position: relative;
}

.prompt-box-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
}

.prompt-badge {
  font-size: 0.7rem;
  background: var(--color-teal);
  color: var(--color-cream);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
}

.prompt-npub-box {
  background: var(--color-sand);
  border: 2px solid var(--color-charcoal);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.npub-label {
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-terracotta);
}

.npub-text {
  font-family: monospace;
  font-weight: 600;
  word-break: break-all;
  user-select: all;
}

.prompt-textarea {
  flex-grow: 1;
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-sm);
  background: var(--color-cream);
  padding: 0.85rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--color-charcoal);
  resize: none;
  min-height: 180px;
  outline: none;
}

.brutalist-btn-copy {
  margin-top: 1rem;
  background: var(--color-terracotta);
  color: var(--color-cream);
  border: 2px solid var(--color-charcoal);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 4px 4px 0px var(--color-charcoal);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.brutalist-btn-copy:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--color-charcoal);
}

.copy-toast {
  position: absolute;
  bottom: 5.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--color-teal);
  color: var(--color-cream);
  border: 2px solid var(--color-charcoal);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.9rem;
  box-shadow: var(--shadow-hard);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 10;
}

.copy-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 900px) {
  .assignment-cards-container {
    grid-template-columns: 1fr;
  }
  
  .demo-display {
    grid-template-columns: 1fr;
  }
  
  .demo-sidebar {
    border-right: none;
    border-bottom: 2px solid var(--color-charcoal);
    padding: 1.25rem;
  }
  
  .nostr-story-rules {
    grid-template-columns: 1fr !important;
  }
  
  .nostr-schedule-container {
    grid-template-columns: 1fr !important;
  }
}



/* ============================================================

/* ============================================================
   COMPREHENSIVE RESPONSIVE STYLES (Mobile & Tablet)
   Optimized for seamless phone viewing, touch swipe & reading
   ============================================================ */

/* 1. TABLET & MEDIUM SCREENS (<= 900px) */
@media (max-width: 900px) {
  .slide {
    padding: 1.5rem 2rem;
  }
  .assignment-cards-container {
    grid-template-columns: 1fr;
  }
  .demo-display {
    grid-template-columns: 1fr;
  }
  .demo-sidebar {
    border-right: none;
    border-bottom: 2px solid var(--color-charcoal);
    padding: 1.25rem;
  }
  .nostr-story-rules {
    grid-template-columns: 1fr !important;
  }
  .nostr-schedule-container {
    grid-template-columns: 1fr !important;
  }
}

/* 2. MOBILE PHONES & COMPACT SCREENS (<= 820px) */
@media (max-width: 820px) {
  /* Prevent horizontal drift */
  html, body {
    overflow-x: hidden !important;
    position: relative;
    width: 100%;
    -webkit-text-size-adjust: 100%;
  }

  /* Compact Navbar */
  .navbar {
    border-bottom: 2px solid var(--color-charcoal);
  }
  .nav-inner {
    padding: 0.45rem 0.85rem;
    gap: 0.5rem;
    flex-wrap: nowrap;
    align-items: center;
  }
  .nav-logo {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    min-width: 0;
    flex: 1 1 auto;
  }
  .logo-text {
    font-size: 0.88rem;
    letter-spacing: 0.02em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .nav-quarter-badge {
    font-size: 0.65rem;
    padding: 0.15rem 0.45rem;
    white-space: nowrap;
  }
  .nav-controls {
    gap: 0.5rem;
    flex-shrink: 0;
  }
  .slide-counter {
    font-size: 0.78rem;
    min-width: 36px;
  }
  .lang-slider {
    width: 76px;
    height: 30px;
    padding: 2px;
  }
  .lang-btn {
    font-size: 0.7rem;
  }

  /* Stage positioning: exact fit below navbar and above bottom bar */
  .stage {
    top: 52px;
    bottom: 58px;
    overflow: hidden;
  }

  /* Slide Viewport: Start from top to prevent vertical centering clipping bug! */
  .slide {
    justify-content: flex-start !important;
    align-items: center;
    padding: 1.25rem 0.85rem 4.75rem 0.85rem !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
  }

  /* Content wrap takes full available width */
  .slide-content-wrap {
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 !important;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  /* Typography scaled for phone readability */
  .title-main {
    font-size: clamp(2rem, 8.5vw, 3rem) !important;
    line-height: 1.08 !important;
  }
  .slide-title {
    font-size: clamp(1.4rem, 5.5vw, 2.1rem) !important;
    line-height: 1.15 !important;
    margin-bottom: 0.5rem !important;
  }
  .slide-subtitle {
    font-size: clamp(0.88rem, 3.2vw, 1.02rem) !important;
    line-height: 1.45 !important;
    margin-bottom: 1rem !important;
    max-width: 100% !important;
  }
  .slide-label {
    font-size: 0.68rem !important;
    padding: 0.2rem 0.6rem !important;
    margin-bottom: 0.5rem !important;
  }

  /* Single-column grid layouts with natural flow (no inner scroll trap) */
  .slide-cols,
  .topic-grid,
  .agenda-grid,
  .assignment-cards-container,
  .demo-display,
  .journey-grid,
  .pillars-grid,
  .roadmap-modules,
  .takeaways-grid,
  .standards-grid,
  .tips-grid,
  .steps-grid {
    grid-template-columns: 1fr !important;
    gap: 0.85rem !important;
    max-height: none !important;
    overflow-y: visible !important;
    padding-right: 0 !important;
    width: 100% !important;
    box-sizing: border-box;
  }

  /* Cards have comfortable mobile padding */
  .assignment-card,
  .journey-card,
  .pillar-card,
  .roadmap-mod-card,
  .topic-card,
  .agenda-card {
    padding: 1.05rem 1rem !important;
    box-shadow: var(--shadow-hard) !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Split layout on lesson cards */
  .slide--lesson {
    padding: 1.25rem 0.85rem 4.75rem 0.85rem !important;
  }
  .lesson-card-inner {
    grid-template-columns: 1fr !important;
    max-height: none !important;
  }
  .lesson-card-image {
    min-height: 180px !important;
  }

  /* Bottom Docked Navigation Arrows - never cover slide reading area */
  .nav-arrow {
    width: 40px !important;
    height: 40px !important;
    top: auto !important;
    bottom: 0.75rem !important;
    transform: none !important;
    z-index: 110 !important;
    box-shadow: 2px 2px 0 var(--color-charcoal) !important;
  }
  .nav-arrow--prev {
    left: 0.75rem !important;
  }
  .nav-arrow--next {
    right: 0.75rem !important;
  }
  .nav-arrow svg {
    width: 18px !important;
    height: 18px !important;
  }

  /* Centered Dot Nav between arrows */
  .dot-nav {
    bottom: 0.75rem !important;
    padding: 0.35rem 0.65rem !important;
    gap: 0.35rem !important;
    max-width: calc(100vw - 116px) !important;
    overflow-x: auto !important;
    scrollbar-width: none;
  }
  .dot-nav::-webkit-scrollbar {
    display: none;
  }
  .dot {
    width: 6px !important;
    height: 6px !important;
    min-width: 6px !important;
  }
  .dot.active {
    width: 16px !important;
  }

  /* Hide huge background decorative circles that trigger horizontal drift */
  .deco-circle {
    display: none !important;
  }

  /* Copy toast position */
  .copy-toast {
    bottom: 4.5rem !important;
    width: 90%;
    max-width: 320px;
    text-align: center;
    font-size: 0.85rem;
  }
}

/* 3. SMALL PHONES (<= 480px) */
@media (max-width: 480px) {
  .nav-inner {
    padding: 0.4rem 0.65rem;
  }
  .logo-text {
    font-size: 0.82rem;
  }
  .nav-quarter-badge {
    display: none;
  }
  .slide {
    padding: 1rem 0.65rem 4.5rem 0.65rem !important;
  }
  .nav-arrow {
    width: 36px !important;
    height: 36px !important;
    bottom: 0.65rem !important;
  }
  .nav-arrow--prev {
    left: 0.5rem !important;
  }
  .nav-arrow--next {
    right: 0.5rem !important;
  }
  .dot-nav {
    bottom: 0.65rem !important;
    max-width: calc(100vw - 98px) !important;
    gap: 0.25rem !important;
  }
}