/* ==========================================================================
   XIANS.AI ANIMATIONS AND TRANSITIONS
   Modern animations for professional developer documentation
   ========================================================================== */

/* ==========================================================================
   KEYFRAME ANIMATIONS
   ========================================================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* ==========================================================================
   SCROLL ANIMATIONS
   ========================================================================== */

.animated {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animated-delay-1 {
  animation-delay: 0.1s;
}

.animated-delay-2 {
  animation-delay: 0.2s;
}

.animated-delay-3 {
  animation-delay: 0.3s;
}

/* ==========================================================================
   HOVER EFFECTS
   ========================================================================== */

/* Glow effect on hover */
.glow-on-hover:hover {
  box-shadow: 0 0 20px rgba(2, 132, 199, 0.4),
              0 0 40px rgba(2, 132, 199, 0.2);
}

/* Lift effect */
.lift-on-hover {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.lift-on-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

/* Scale effect */
.scale-on-hover {
  transition: transform 0.3s ease;
}

.scale-on-hover:hover {
  transform: scale(1.05);
}

/* Underline animation */
.underline-animate {
  position: relative;
}

.underline-animate::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #0284c7, #06b6d4);
  transition: width 0.3s ease;
}

.underline-animate:hover::after {
  width: 100%;
}

/* ==========================================================================
   CODE BLOCK ANIMATIONS
   ========================================================================== */

/* Copy button animation */
.md-clipboard.copied {
  animation: pulse 0.5s ease;
}

.md-clipboard.copied::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.2em;
  color: #10b981;
  animation: fadeIn 0.3s ease;
}

/* Code language label */
.code-language-label {
  position: absolute;
  top: 0;
  right: 0;
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.9), rgba(6, 182, 212, 0.9));
  color: white;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 0 0.5rem 0 0.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  animation: slideInRight 0.4s ease;
}

/* Syntax highlighting animation */
.highlight {
  animation: fadeIn 0.4s ease;
}

/* ==========================================================================
   LOADING STATES
   ========================================================================== */

/* Skeleton loader */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--xians-bg-tertiary) 25%,
    var(--xians-bg-secondary) 50%,
    var(--xians-bg-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
  border-radius: 0.5rem;
}

/* Loading spinner */
.loading-spinner {
  border: 3px solid var(--xians-border-light);
  border-top-color: var(--xians-primary);
  border-radius: 50%;
  width: 2rem;
  height: 2rem;
  animation: spin 1s linear infinite;
}

/* Progress bar animation */
.reading-progress-bar {
  box-shadow: 0 0 10px rgba(2, 132, 199, 0.5);
  transition: width 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   NAVIGATION ANIMATIONS
   ========================================================================== */

/* Tab switching animation */
.md-tabs__link {
  position: relative;
  overflow: hidden;
}

.md-tabs__link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--xians-primary), transparent);
  transition: left 0.5s ease;
}

.md-tabs__link--active::before,
.md-tabs__link:hover::before {
  left: 100%;
}

/* Sidebar navigation animation */
.md-nav__link {
  position: relative;
  overflow: hidden;
}

.md-nav__link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 3px;
  background: var(--xians-primary);
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.md-nav__link--active::before {
  transform: scaleY(1);
}

/* ==========================================================================
   SEARCH ANIMATIONS
   ========================================================================== */

.md-search__form {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.md-search--active .md-search__form {
  animation: pulse 0.3s ease;
}

.md-search__output {
  animation: fadeIn 0.3s ease;
}

.md-search-result__item {
  animation: fadeInUp 0.3s ease backwards;
}

.md-search-result__item:nth-child(1) { animation-delay: 0.05s; }
.md-search-result__item:nth-child(2) { animation-delay: 0.1s; }
.md-search-result__item:nth-child(3) { animation-delay: 0.15s; }
.md-search-result__item:nth-child(4) { animation-delay: 0.2s; }
.md-search-result__item:nth-child(5) { animation-delay: 0.25s; }

/* ==========================================================================
   HEADER ANIMATIONS
   ========================================================================== */

.md-header {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.md-header--shadow {
  animation: fadeIn 0.3s ease;
}

/* Logo removed - animation disabled */
.md-header__button.md-logo {
  display: none !important;
}

/* ==========================================================================
   ADMONITION ANIMATIONS
   ========================================================================== */

.md-typeset .admonition {
  animation: fadeInUp 0.5s ease backwards;
  transform-origin: top center;
}

.md-typeset .admonition:hover {
  animation: none;
}

/* Admonition icon pulse */
.md-typeset .admonition-title::before {
  display: inline-block;
  animation: pulse 2s ease infinite;
}

/* ==========================================================================
   BUTTON ANIMATIONS
   ========================================================================== */

.md-button {
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.md-button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.md-button:hover::before {
  width: 300px;
  height: 300px;
}

.md-button:active {
  transform: translateY(0) scale(0.98);
}

/* ==========================================================================
   CARD ANIMATIONS
   ========================================================================== */

.md-content .card {
  animation: fadeInUp 0.6s ease backwards;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.md-content .card:nth-child(1) { animation-delay: 0.1s; }
.md-content .card:nth-child(2) { animation-delay: 0.2s; }
.md-content .card:nth-child(3) { animation-delay: 0.3s; }
.md-content .card:nth-child(4) { animation-delay: 0.4s; }

.md-content .card:hover {
  animation: none;
}

/* Card icon animation */
.md-content .card-icon {
  transition: transform 0.3s ease;
  display: inline-block;
}

.md-content .card:hover .card-icon {
  transform: scale(1.1) rotate(5deg);
}

/* ==========================================================================
   TABLE ANIMATIONS
   ========================================================================== */

.md-content table {
  animation: fadeIn 0.5s ease;
}

.md-content table tr {
  transition: background-color 0.2s ease;
}

.md-content table tbody tr {
  animation: fadeInUp 0.3s ease backwards;
}

.md-content table tbody tr:nth-child(1) { animation-delay: 0.05s; }
.md-content table tbody tr:nth-child(2) { animation-delay: 0.1s; }
.md-content table tbody tr:nth-child(3) { animation-delay: 0.15s; }
.md-content table tbody tr:nth-child(4) { animation-delay: 0.2s; }
.md-content table tbody tr:nth-child(5) { animation-delay: 0.25s; }

/* ==========================================================================
   TOOLTIP ANIMATIONS
   ========================================================================== */

[title]:hover::after {
  animation: fadeIn 0.3s ease;
}

.md-tooltip {
  animation: fadeIn 0.2s ease;
}

/* ==========================================================================
   HERO SECTION ANIMATIONS
   ========================================================================== */

.hero {
  animation: fadeInUp 0.8s ease;
  background-size: 200% 200%;
  animation: gradientShift 10s ease infinite;
}

.hero h1 {
  animation: fadeInUp 1s ease 0.2s backwards;
}

.hero p {
  animation: fadeInUp 1s ease 0.4s backwards;
}

.hero .md-button {
  animation: fadeInUp 1s ease 0.6s backwards;
}

/* ==========================================================================
   IMAGE ANIMATIONS
   ========================================================================== */

.md-content img {
  animation: fadeIn 0.6s ease;
  /* Removed hover transitions */
}

/* ==========================================================================
   FOOTER ANIMATIONS
   ========================================================================== */

.md-footer {
  animation: fadeIn 0.5s ease;
}

.md-social__link {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.md-social__link:hover {
  animation: bounce 1s ease;
}

/* ==========================================================================
   ANNOUNCEMENT BAR ANIMATIONS
   ========================================================================== */

.md-banner {
  animation: fadeInUp 0.5s ease;
  background-size: 200% 100%;
  animation: shimmer 3s linear infinite;
}

.md-banner__button {
  transition: all 0.3s ease;
}

/* ==========================================================================
   TABBED CONTENT ANIMATIONS
   ========================================================================== */

.md-typeset .tabbed-content {
  animation: fadeIn 0.3s ease;
}

.md-typeset .tabbed-labels > label {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.md-typeset .tabbed-labels > label::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--xians-primary);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.md-typeset .tabbed-set > input:checked + label::after {
  width: 100%;
}

/* ==========================================================================
   PRINT - DISABLE ANIMATIONS
   ========================================================================== */

@media print {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ==========================================================================
   REDUCED MOTION
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .reading-progress-bar,
  .skeleton {
    animation: none !important;
  }
}

/* ==========================================================================
   PAGE TRANSITION
   ========================================================================== */

.md-content__inner {
  animation: fadeIn 0.4s ease;
}

/* Smooth page transitions for SPA navigation */
[data-md-component="container"] {
  animation: fadeIn 0.3s ease;
}