/* =============================================================================
   Awesome Bioinformatics Algorithms - Custom Styles
   ============================================================================= */

/* CSS Variables for consistent theming */
:root {
  --aba-primary: #3f51b5;
  --aba-secondary: #1a237e;
  --aba-accent: #00bcd4;
  --aba-gradient-primary: linear-gradient(135deg, #3f51b5 0%, #1a237e 100%);
  --aba-gradient-accent: linear-gradient(135deg, #00bcd4 0%, #009688 100%);
  --aba-glass-bg: rgba(255, 255, 255, 0.1);
  --aba-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --aba-shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
  --aba-shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
  --aba-radius-sm: 8px;
  --aba-radius-md: 12px;
  --aba-radius-lg: 16px;
  --aba-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode variables */
[data-md-color-scheme="slate"] {
  --aba-glass-bg: rgba(0, 0, 0, 0.2);
  --aba-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --aba-shadow-md: 0 4px 8px rgba(0, 0, 0, 0.35);
  --aba-shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.4);
}

/* ---------------------------------------------------------------------------
   Typography Improvements
   --------------------------------------------------------------------------- */
.md-typeset {
  font-size: 0.7rem;
  line-height: 1.6;
}

.md-typeset h1 {
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--md-primary-fg-color);
}

.md-typeset h2 {
  font-weight: 500;
  letter-spacing: -0.01em;
  border-bottom: 2px solid var(--md-primary-fg-color--light);
  padding-bottom: 0.3em;
}

.md-typeset h3 {
  font-weight: 500;
  color: var(--md-primary-fg-color);
}

/* ---------------------------------------------------------------------------
   Code Blocks Enhancement
   --------------------------------------------------------------------------- */
.md-typeset code {
  border-radius: 4px;
  padding: 0.2em 0.4em;
}

.md-typeset pre > code {
  border-radius: 8px;
  padding: 1em;
}

/* Highlight line numbers */
.md-typeset .highlight span.filename {
  background-color: var(--md-code-bg-color);
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
  font-weight: 500;
  padding: 0.5em 1em;
}

/* ---------------------------------------------------------------------------
   Admonitions Customization
   --------------------------------------------------------------------------- */
.md-typeset .admonition {
  border-radius: 8px;
  border-left-width: 4px;
}

.md-typeset .admonition.note {
  border-left-color: #448aff;
}

.md-typeset .admonition.tip {
  border-left-color: #00bfa5;
}

.md-typeset .admonition.warning {
  border-left-color: #ff9100;
}

.md-typeset .admonition.danger {
  border-left-color: #ff1744;
}

/* ---------------------------------------------------------------------------
   Table Enhancements
   --------------------------------------------------------------------------- */
.md-typeset table {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.md-typeset table th {
  background-color: var(--md-primary-fg-color);
  color: var(--md-primary-bg-color);
  font-weight: 600;
}

.md-typeset table tr:nth-child(even) {
  background-color: var(--md-code-bg-color);
}

/* ---------------------------------------------------------------------------
   Algorithm Cards (for algorithm pages)
   --------------------------------------------------------------------------- */
.algorithm-card {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1rem 0;
  background: var(--md-default-bg-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.algorithm-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.algorithm-card h3 {
  margin-top: 0;
  color: var(--md-primary-fg-color);
}

.algorithm-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.75rem 0;
}

.algorithm-tag {
  background: var(--md-primary-fg-color--light);
  color: var(--md-primary-bg-color);
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* ---------------------------------------------------------------------------
   Search Enhancement
   --------------------------------------------------------------------------- */
.md-search__input {
  border-radius: 20px;
}

.md-search-result__item {
  border-radius: 4px;
  transition: background-color 0.2s;
}

.md-search-result__item:hover {
  background-color: var(--md-code-bg-color);
}

/* ---------------------------------------------------------------------------
   Navigation Improvements
   --------------------------------------------------------------------------- */
.md-nav__item .md-nav__link {
  border-radius: 4px;
  transition: background-color 0.2s;
}

.md-nav__item .md-nav__link:hover {
  background-color: var(--md-code-bg-color);
}

.md-nav__item .md-nav__link--active {
  font-weight: 600;
  color: var(--md-primary-fg-color);
}

/* ---------------------------------------------------------------------------
   Print Styles
   --------------------------------------------------------------------------- */
@media print {
  .md-header,
  .md-footer,
  .md-tabs,
  .md-search {
    display: none !important;
  }
  
  .md-content {
    margin-left: 0 !important;
  }
}

/* ---------------------------------------------------------------------------
   Responsive Adjustments
   --------------------------------------------------------------------------- */
@media screen and (max-width: 768px) {
  .md-typeset {
    font-size: 0.75rem;
  }
  
  .algorithm-card {
    padding: 1rem;
  }
}

/* ---------------------------------------------------------------------------
   Dark Mode Specific
   --------------------------------------------------------------------------- */
[data-md-color-scheme="slate"] .md-typeset h2 {
  border-bottom-color: var(--md-primary-fg-color--dark);
}

[data-md-color-scheme="slate"] .algorithm-card {
  background: var(--md-default-bg-color);
  border-color: var(--md-default-fg-color--dark);
}

/* ---------------------------------------------------------------------------
   Hero Section Styles
   --------------------------------------------------------------------------- */
.aba-hero {
  position: relative;
  padding: 4rem 2rem;
  margin: -2rem -2rem 2rem -2rem;
  background: var(--aba-gradient-primary);
  color: white;
  text-align: center;
  overflow: hidden;
}

.aba-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.aba-hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.aba-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2rem;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
}

.aba-hero-title {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.aba-hero-subtitle {
  font-size: 1.125rem;
  opacity: 0.9;
  margin-bottom: 2rem;
}

.aba-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.aba-gradient-text {
  background: linear-gradient(135deg, #fff 0%, #e1bee7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------------------------------------------------------------------------
   Button Styles
   --------------------------------------------------------------------------- */
.aba-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--aba-radius-sm);
  font-weight: 500;
  text-decoration: none;
  transition: var(--aba-transition);
  cursor: pointer;
}

.aba-btn-primary {
  background: white;
  color: var(--aba-primary);
}

.aba-btn-primary:hover {
  background: #f5f5f5;
  transform: translateY(-2px);
  box-shadow: var(--aba-shadow-md);
}

.aba-btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.aba-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* ---------------------------------------------------------------------------
   Stats Bar
   --------------------------------------------------------------------------- */
.aba-stats-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 3rem;
}

.aba-stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--aba-radius-md);
  backdrop-filter: blur(10px);
  min-width: 100px;
}

.aba-stat-value {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.aba-stat-label {
  font-size: 0.75rem;
  opacity: 0.8;
  margin-top: 0.25rem;
}

/* ---------------------------------------------------------------------------
   Bento Grid Layout
   --------------------------------------------------------------------------- */
.aba-bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.aba-bento-card {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  background: var(--md-default-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: var(--aba-radius-md);
  text-decoration: none;
  color: inherit;
  transition: var(--aba-transition);
  box-shadow: var(--aba-shadow-sm);
}

.aba-bento-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--aba-shadow-lg);
  border-color: var(--md-primary-fg-color);
}

.aba-bento-featured {
  grid-column: span 1;
}

@media (min-width: 768px) {
  .aba-bento-featured:nth-child(1),
  .aba-bento-featured:nth-child(2) {
    grid-column: span 2;
  }
}

.aba-bento-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.aba-bento-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.aba-bento-desc {
  font-size: 0.875rem;
  color: var(--md-default-fg-color--light);
  margin-bottom: 1rem;
  flex-grow: 1;
}

.aba-bento-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
}

.aba-bento-count {
  color: var(--md-primary-fg-color);
  font-weight: 500;
}

.aba-bento-arrow {
  opacity: 0;
  transition: var(--aba-transition);
}

.aba-bento-card:hover .aba-bento-arrow {
  opacity: 1;
  transform: translateX(4px);
}

/* ---------------------------------------------------------------------------
   Algorithm Card Grid
   --------------------------------------------------------------------------- */
.aba-algo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.aba-algo-card {
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  background: var(--md-default-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: var(--aba-radius-sm);
  text-decoration: none;
  color: inherit;
  transition: var(--aba-transition);
}

.aba-algo-card:hover {
  border-color: var(--md-primary-fg-color);
  box-shadow: var(--aba-shadow-md);
  transform: translateY(-2px);
}

.aba-algo-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.aba-algo-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--md-primary-fg-color);
}

.aba-algo-badges {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.aba-badge {
  display: inline-flex;
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
  font-size: 0.6875rem;
  font-weight: 500;
}

.aba-badge-year {
  background: var(--md-primary-fg-color--light);
  color: var(--md-primary-bg-color);
}

.aba-badge-difficulty-beginner {
  background: #4caf50;
  color: white;
}

.aba-badge-difficulty-intermediate {
  background: #ff9800;
  color: white;
}

.aba-badge-difficulty-advanced {
  background: #f44336;
  color: white;
}

.aba-algo-purpose {
  font-size: 0.8125rem;
  color: var(--md-default-fg-color--light);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.aba-algo-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--md-default-fg-color--lightest);
}

.aba-algo-complexity {
  font-size: 0.75rem;
  color: var(--md-default-fg-color--light);
}

.aba-algo-arrow {
  width: 16px;
  height: 16px;
  opacity: 0.5;
  transition: var(--aba-transition);
}

.aba-algo-card:hover .aba-algo-arrow {
  opacity: 1;
  transform: translateX(4px);
}

/* ---------------------------------------------------------------------------
   Timeline Styles
   --------------------------------------------------------------------------- */
.aba-timeline {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0;
}

.aba-timeline-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--md-default-bg-color);
  border-radius: var(--aba-radius-sm);
  border-left: 3px solid var(--md-primary-fg-color);
  box-shadow: var(--aba-shadow-sm);
}

.aba-timeline-year {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--md-primary-fg-color);
}

.aba-timeline-content {
  font-size: 0.875rem;
}

/* ---------------------------------------------------------------------------
   Section Divider
   --------------------------------------------------------------------------- */
.aba-divider {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--md-default-fg-color--lightest), transparent);
  margin: 3rem 0;
}

/* ---------------------------------------------------------------------------
   Search Bar Styles
   --------------------------------------------------------------------------- */
.aba-search-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1rem;
  background: var(--md-default-bg-color);
  border-radius: var(--aba-radius-sm);
  box-shadow: var(--aba-shadow-sm);
}

.aba-search-input {
  flex: 1;
  min-width: 200px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: var(--aba-radius-sm);
  font-size: 0.875rem;
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
  transition: var(--aba-transition);
}

.aba-search-input:focus {
  outline: none;
  border-color: var(--md-primary-fg-color);
  box-shadow: 0 0 0 3px rgba(63, 81, 181, 0.1);
}

.aba-filter-select {
  padding: 0.75rem 1rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: var(--aba-radius-sm);
  font-size: 0.875rem;
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
  cursor: pointer;
  transition: var(--aba-transition);
}

.aba-filter-select:focus {
  outline: none;
  border-color: var(--md-primary-fg-color);
}

/* ---------------------------------------------------------------------------
   Animation Utilities
   --------------------------------------------------------------------------- */
.aba-animate {
  animation: abaFadeIn 0.6s ease-out forwards;
  opacity: 0;
}

.aba-animate-delay-0 { animation-delay: 0s; }
.aba-animate-delay-1 { animation-delay: 0.1s; }
.aba-animate-delay-2 { animation-delay: 0.2s; }
.aba-animate-delay-3 { animation-delay: 0.3s; }
.aba-animate-delay-4 { animation-delay: 0.4s; }

@keyframes abaFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .aba-animate {
    animation: none;
    opacity: 1;
  }
  
  .aba-btn:hover,
  .aba-bento-card:hover,
  .aba-algo-card:hover {
    transform: none;
  }
}