/* =============================================================================
   Bounce Back - NBA Analytics Website Styles
   ============================================================================= */

/* --------------------------------------------------------------------------
   CSS Variables for consistent theming
   -------------------------------------------------------------------------- */
:root {
  --primary-color: #1a1a2e;
  --secondary-color: #16213e;
  --accent-color: #e94560;
  --accent-hover: #ff6b6b;
  --text-color: #333;
  --text-light: #666;
  --bg-light: #f8f9fa;
  --bg-card: #ffffff;
  --border-color: #e0e0e0;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
  --transition: all 0.3s ease;
  --border-radius: 12px;
}

/* --------------------------------------------------------------------------
   Hero Banner Section
   -------------------------------------------------------------------------- */
.hero-banner {
  text-align: center;
  padding: 3rem 2rem;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
}

.hero-banner h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  font-weight: 300;
}

.hero-banner p {
  max-width: 700px;
  margin: 0 auto 1.5rem;
  font-size: 1.1rem;
  line-height: 1.7;
  opacity: 0.9;
}

.hero-image {
  border-radius: 50%;
  border: 4px solid rgba(255, 255, 255, 0.3);
  margin-bottom: 1.5rem;
}

.btn-primary {
  background-color: var(--accent-color) !important;
  border-color: var(--accent-color) !important;
  padding: 0.75rem 2rem !important;
  font-size: 1.1rem !important;
  border-radius: 50px !important;
  transition: var(--transition) !important;
}

.btn-primary:hover {
  background-color: var(--accent-hover) !important;
  border-color: var(--accent-hover) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* --------------------------------------------------------------------------
   Section Headers
   -------------------------------------------------------------------------- */
.section-header {
  color: var(--primary-color);
  border-bottom: 3px solid var(--accent-color);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
  font-size: 1.4rem;
}

/* --------------------------------------------------------------------------
   Chapter Cards
   -------------------------------------------------------------------------- */
.card.chapter-card,
.card.appendix-card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  margin-bottom: 1.5rem;
  overflow: hidden;
  background: var(--bg-card);
}

.card.chapter-card:hover,
.card.appendix-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.card-img-top {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: var(--transition);
}

.card.chapter-card:hover .card-img-top,
.card.appendix-card:hover .card-img-top {
  transform: scale(1.05);
}

.card-body {
  padding: 1.25rem;
}

.card-body h4 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
  color: var(--primary-color);
}

.card-body h4 a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

.card-body h4 a:hover {
  color: var(--accent-color);
}

.card-body strong {
  color: var(--accent-color);
  font-size: 0.85rem;
  display: block;
  margin-bottom: 0.5rem;
}

.card-body p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.5;
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about-section {
  background: var(--bg-light);
  padding: 2rem;
  border-radius: var(--border-radius);
  text-align: center;
  margin-top: 2rem;
}

.about-section h2 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.about-section p {
  max-width: 800px;
  margin: 0 auto 0.5rem;
}

/* --------------------------------------------------------------------------
   Grid Layout Enhancements
   -------------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .g-col-md-4 {
    grid-column: span 4;
  }
  .g-col-md-6 {
    grid-column: span 6;
  }
}

@media (min-width: 992px) {
  .g-col-lg-3 {
    grid-column: span 3;
  }
}

/* --------------------------------------------------------------------------
   Chapter Page Styling
   -------------------------------------------------------------------------- */
.quarto-title-block {
  margin-bottom: 2rem;
}

.quarto-title-banner {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

/* Quote styling */
blockquote {
  border-left: 4px solid var(--accent-color);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--text-light);
  background: var(--bg-light);
  padding: 1.5rem;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

/* Panel tabs styling */
.panel-tabset .nav-pills .nav-link {
  background-color: var(--bg-light);
  color: var(--text-color);
  border-radius: var(--border-radius);
  margin-right: 0.5rem;
  transition: var(--transition);
}

.panel-tabset .nav-pills .nav-link.active {
  background-color: var(--accent-color);
  color: white;
}

.panel-tabset .nav-pills .nav-link:hover:not(.active) {
  background-color: var(--border-color);
}

/* --------------------------------------------------------------------------
   Visualization Container
   -------------------------------------------------------------------------- */
.cell-output-display {
  margin: 1.5rem 0;
  padding: 1rem;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

/* Highcharter containers */
.highchart {
  border-radius: var(--border-radius);
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   Table Styling
   -------------------------------------------------------------------------- */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

th {
  background: var(--primary-color);
  color: white;
  padding: 1rem;
  text-align: left;
  font-weight: 600;
}

td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

tr:hover {
  background-color: var(--bg-light);
}

/* --------------------------------------------------------------------------
   Code Block Styling
   -------------------------------------------------------------------------- */
.code-fold-btn {
  background-color: var(--primary-color) !important;
  color: white !important;
  border-radius: var(--border-radius) !important;
}

pre {
  background-color: #2d2d2d;
  border-radius: var(--border-radius);
  padding: 1rem;
}

/* --------------------------------------------------------------------------
   Sidebar Styling
   -------------------------------------------------------------------------- */
.sidebar nav[role=doc-toc] ul > li > a.active {
  border-left: 3px solid var(--accent-color);
  color: var(--accent-color);
}

/* --------------------------------------------------------------------------
   Footer Styling
   -------------------------------------------------------------------------- */
.nav-footer {
  background: var(--primary-color);
  color: white;
  padding: 1.5rem 0;
}

.nav-footer a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}

.nav-footer a:hover {
  color: white;
}

/* --------------------------------------------------------------------------
   Responsive Adjustments
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .hero-banner {
    padding: 2rem 1rem;
  }

  .hero-banner h3 {
    font-size: 1.4rem;
  }

  .card-img-top {
    height: 150px;
  }

  .section-header {
    font-size: 1.2rem;
  }
}

/* --------------------------------------------------------------------------
   Animation Utilities
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn 0.5s ease-out forwards;
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
  .hero-banner {
    background: none;
    color: var(--text-color);
  }

  .card {
    box-shadow: none;
    border: 1px solid var(--border-color);
  }
}