/* ===== DESIGN SYSTEM ===== */
:root {
  /* Colors - Warm Pancake Palette */
  --color-golden: #F4A460;
  --color-syrup: #D2691E;
  --color-butter: #FFE5B4;
  --color-blueberry: #4169E1;
  --color-chocolate: #6F4E37;
  --color-cream: #FFFDD0;
  --color-cinnamon: #D2691E;
  --color-background: #FFF8DC;
  --color-text: #3E2723;
  --color-text-light: #6D4C41;

  /* Typography */
  --font-title: 'Fredoka', 'Helvetica Neue', 'Arial', sans-serif;
  --font-body: 'Inter', 'Segoe UI', 'Helvetica Neue', 'Arial', sans-serif;
  --font-display: 'Bangers', 'Impact', 'Arial Black', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 3rem;
  --space-xl: 4rem;

  /* Shadows & Effects */
  --shadow-soft: 0 4px 20px rgba(139, 69, 19, 0.1);
  --shadow-medium: 0 8px 30px rgba(139, 69, 19, 0.15);
  --shadow-strong: 0 12px 40px rgba(139, 69, 19, 0.25);
}

/* ===== GLOBAL STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@300;400;500;600;700&family=Inter:wght@400;500;600&family=Bangers&display=swap');

body {
  font-family: var(--font-body);
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-butter) 100%);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

/* ===== BACK TO BOOKS NAVIGATION ===== */
.back-to-books {
  position: fixed;
  top: 20px;
  left: 20px;
  background: linear-gradient(135deg, var(--color-syrup), var(--color-golden));
  color: white;
  padding: 12px 24px;
  border-radius: 50px;
  text-decoration: none;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 1rem;
  box-shadow: var(--shadow-medium);
  transition: all 0.3s ease;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 8px;
}

.back-to-books:hover {
  transform: translateX(-5px) scale(1.05);
  box-shadow: none;
  background: linear-gradient(135deg, var(--color-golden), var(--color-syrup));
}

/* ===== EBOOK CONTAINER ===== */
.ebook-container {
  max-width: 1200px;
  margin: 0 auto;
  background: white;
  box-shadow: none;
  position: relative;
}

/* ===== COVER PAGE ===== */
.cover {
  width: 100% !important;
  max-width: 100% !important;
  aspect-ratio: 1 / 1 !important;
  min-height: auto !important;
  height: auto !important;
  padding: 0 !important;
  margin: 0 !important;
  overflow: hidden;
  position: relative;
  background: none !important;
}

.cover::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: float 20s linear infinite;
}

@keyframes float {
  0% {
    transform: translate(0, 0);
  }

  100% {
    transform: translate(50px, 50px);
  }
}

.cover-image {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  margin: 0 !important;
  display: block;
}

.cover h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  color: white;
  text-shadow: 4px 4px 8px rgba(0, 0, 0, 0.3);
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
  letter-spacing: 2px;
}

.cover .subtitle {
  font-family: var(--font-title);
  font-size: clamp(1.2rem, 3vw, 2rem);
  color: var(--color-cream);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
  position: relative;
  z-index: 1;
}

/* ===== DEDICATION & AUTHORS NOTE ===== */
.dedication,
.authors-note {
  padding: var(--space-xl);
  max-width: 800px;
  margin: 0 auto;
  font-family: var(--font-title);
  font-size: 1.2rem;
  line-height: 1.8;
  text-align: center;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.dedication h2,
.authors-note h2 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--color-syrup);
  margin-bottom: var(--space-md);
}

/* ===== STORY SPREADS ===== */
.spread {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  position: relative;
  overflow: hidden;
}

.spread-left,
.spread-right {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.spread-left {
  background: var(--color-cream);
  border-right: 3px dashed var(--color-syrup);
}

.spread-right {
  background: white;
}

.spread-image {
  width: 100%;
  max-width: 500px;
  height: auto;
  border-radius: 15px;
  box-shadow: var(--shadow-medium);
  transition: transform 0.3s ease;
}

.spread-image:hover {
  transform: scale(1.02) rotate(1deg);
}

.spread-text {
  font-family: var(--font-title);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  line-height: 1.9;
  color: var(--color-text);
  max-width: 500px;
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.6);
  border-radius: 15px;
  box-shadow: var(--shadow-soft);
}

.spread-text .sound-effect {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-syrup);
  display: block;
  margin: var(--space-sm) 0;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

/* ===== PLACEHOLDER FOR MISSING IMAGES ===== */
.placeholder-image {
  width: 100%;
  max-width: 500px;
  height: 400px;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--color-butter) 0%, var(--color-cream) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-md);
  box-shadow: var(--shadow-medium);
  border: 3px dashed var(--color-syrup);
}

.placeholder-image p {
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.9rem;
  font-style: italic;
  line-height: 1.6;
}

/* ===== RECIPE APPENDIX ===== */
.recipe-appendix {
  background: var(--color-cream);
  padding: var(--space-xl);
}

.recipe-appendix h2 {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--color-syrup);
  text-align: center;
  margin-bottom: var(--space-lg);
}

.recipe-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.recipe-card {
  background: white;
  border-radius: 0;
  padding: var(--space-md);
  box-shadow: var(--shadow-medium);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.recipe-card:hover {
  transform: translateY(-5px);
  box-shadow: none;
}

.recipe-card h3 {
  font-family: var(--font-title);
  font-size: 1.8rem;
  color: var(--color-syrup);
  margin-bottom: var(--space-sm);
  border-bottom: 3px solid var(--color-golden);
  padding-bottom: var(--space-xs);
}

.recipe-card h4 {
  font-family: var(--font-title);
  font-size: 1.2rem;
  color: var(--color-chocolate);
  margin-top: var(--space-md);
  margin-bottom: var(--space-xs);
}

.recipe-card ul,
.recipe-card ol {
  margin-left: var(--space-md);
  margin-bottom: var(--space-sm);
}

.recipe-card li {
  margin-bottom: var(--space-xs);
  line-height: 1.6;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 900px) {
  .back-to-books {
    position: relative;
    top: 0;
    left: 0;
    display: inline-flex;
    margin: var(--space-md) auto;
    padding: 10px 20px;
    font-size: 0.9rem;
  }

  .cover h1 {
    font-size: clamp(2.5rem, 8vw, 3.5rem);
  }

  .dedication,
  .authors-note {
    padding: var(--space-lg) var(--space-sm);
  }

  .spread {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: var(--space-sm) 0;
  }

  .spread-left,
  .spread-right {
    padding: var(--space-md) var(--space-sm);
  }

  .spread-left {
    border-right: none;
    border-bottom: 3px dashed var(--color-syrup);
  }
  
  .spread-text {
    font-size: clamp(1.1rem, 4vw, 1.3rem);
    padding: var(--space-sm) var(--space-md);
  }

  .recipe-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .spread {
    page-break-after: always;
  }

  .recipe-card {
    page-break-inside: avoid;
  }
}

/* Screen Reader Only class to visually hide elements but keep accessible */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}