/* Navigation styling - categories vs modules */

/* Category headers - bold and prominent */
.md-nav__item--nested > .md-nav__link {
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--md-primary-fg-color);
  padding: 0.6rem 0.6rem;
  margin-top: 0.5rem;
  border-radius: 4px;
  background: rgba(var(--md-primary-fg-color--rgb), 0.08);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.md-nav__item--nested > .md-nav__link:hover {
  background: rgba(var(--md-primary-fg-color--rgb), 0.15);
  transform: translateX(4px);
}

/* Module links - lighter style */
.md-nav__item:not(.md-nav__item--nested) > .md-nav__link {
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--md-default-fg-color--light);
  padding: 0.4rem 0.6rem 0.4rem 1.2rem;
  border-left: 2px solid transparent;
  transition: all 0.25s ease;
}

.md-nav__item:not(.md-nav__item--nested) > .md-nav__link:hover {
  color: var(--md-accent-fg-color);
  border-left-color: var(--md-accent-fg-color);
  background: rgba(var(--md-accent-fg-color--rgb), 0.05);
  transform: translateX(4px);
}

/* Active module link */
.md-nav__item .md-nav__link--active {
  color: var(--md-accent-fg-color) !important;
  font-weight: 600;
  border-left-color: var(--md-accent-fg-color) !important;
  background: rgba(var(--md-accent-fg-color--rgb), 0.1) !important;
}

/* Nested nav container animation */
.md-nav__item--nested .md-nav {
  animation: fadeSlideIn 0.3s ease;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Category expand icon animation */
.md-nav__icon {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.md-nav__item--nested .md-nav__toggle:checked ~ .md-nav__link .md-nav__icon {
  transform: rotate(90deg);
}

/* Sidebar section dividers */
.md-nav--primary > .md-nav__list > .md-nav__item--nested {
  margin-top: 1rem;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(var(--md-default-fg-color--rgb), 0.1);
}

.md-nav--primary > .md-nav__list > .md-nav__item--nested:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

/* Logo animation */
.md-header__button.md-logo img {
  transition: transform 0.3s ease;
}

.md-header__button.md-logo:hover img {
  transform: scale(1.1) rotate(5deg);
}

/* Search bar animation */
.md-search__input {
  transition: all 0.3s ease;
}

.md-search__input:focus {
  box-shadow: 0 0 0 3px rgba(var(--md-accent-fg-color--rgb), 0.3);
}

/* Content cards hover effect */
.md-typeset table:not([class]) {
  transition: box-shadow 0.3s ease;
}

.md-typeset table:not([class]):hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* Code blocks animation */
.md-typeset pre {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.md-typeset pre:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* Copy button animation */
.md-clipboard {
  transition: all 0.2s ease;
}

.md-clipboard:hover {
  transform: scale(1.1);
  color: var(--md-accent-fg-color);
}

/* Navigation toggle animation (mobile) */
.md-toggle--indeterminate ~ .md-overlay {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Smooth page transitions */
.md-content {
  animation: contentFadeIn 0.4s ease;
}

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

/* Header scroll effect */
.md-header {
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.md-header[data-md-state="shadow"] {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

/* TOC link animations */
.md-nav__link[data-md-component="toc"] {
  transition: all 0.2s ease;
}

.md-nav__link[data-md-component="toc"]:hover {
  padding-left: 0.8rem;
}

/* Button ripple effect for nav items */
.md-nav__link {
  position: relative;
  overflow: hidden;
}

.md-nav__link::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(var(--md-accent-fg-color--rgb), 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.4s ease, height 0.4s ease;
}

.md-nav__link:active::after {
  width: 200%;
  height: 200%;
}

/* ===========================================
   MOBILE RESPONSIVE STYLES
   =========================================== */

/* Tablet (max-width: 960px) */
@media screen and (max-width: 960px) {
  /* Mobile drawer navigation */
  .md-nav--primary .md-nav__title {
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
    padding: 1rem 1.2rem;
    font-weight: 700;
    letter-spacing: 0.02em;
  }

  /* Category headers on mobile */
  .md-nav__item--nested > .md-nav__link {
    font-size: 0.9rem;
    padding: 0.8rem 1rem;
    margin: 0.3rem 0.5rem;
  }

  /* Module links on mobile - larger touch targets */
  .md-nav__item:not(.md-nav__item--nested) > .md-nav__link {
    font-size: 0.85rem;
    padding: 0.7rem 1rem 0.7rem 1.5rem;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  /* Disable hover transforms on touch devices */
  .md-nav__item--nested > .md-nav__link:hover,
  .md-nav__item:not(.md-nav__item--nested) > .md-nav__link:hover {
    transform: none;
  }

  /* Better touch feedback */
  .md-nav__link:active {
    background: rgba(var(--md-accent-fg-color--rgb), 0.15) !important;
  }

  /* Header adjustments */
  .md-header {
    padding: 0 0.4rem;
  }

  .md-header__button.md-logo img {
    height: 1.8rem;
  }

  /* Search on mobile */
  .md-search__form {
    border-radius: 8px;
  }

  .md-search__input {
    font-size: 1rem;
    padding: 0.8rem 1rem 0.8rem 2.8rem;
  }

  /* Content padding */
  .md-content {
    padding: 0 0.8rem;
  }

  .md-typeset {
    font-size: 0.95rem;
    line-height: 1.7;
  }

  /* Code blocks - no hover effect on mobile */
  .md-typeset pre:hover {
    transform: none;
    box-shadow: none;
  }

  /* Tables scroll horizontally */
  .md-typeset table:not([class]) {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Drawer slide animation */
  .md-sidebar--primary {
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  [data-md-toggle="drawer"]:checked ~ .md-container .md-sidebar--primary {
    transform: translateX(0);
  }

  /* Overlay fade */
  .md-overlay {
    transition: opacity 0.3s ease;
  }
}

/* Phone (max-width: 600px) */
@media screen and (max-width: 600px) {
  /* Even larger touch targets */
  .md-nav__item--nested > .md-nav__link {
    font-size: 0.95rem;
    padding: 1rem 1rem;
    margin: 0.2rem 0.4rem;
  }

  .md-nav__item:not(.md-nav__item--nested) > .md-nav__link {
    font-size: 0.9rem;
    padding: 0.9rem 1rem 0.9rem 1.8rem;
    min-height: 48px;
  }

  /* Full width content */
  .md-content__inner {
    margin: 0 0.5rem;
    padding: 1rem 0;
  }

  /* Smaller headings */
  .md-typeset h1 {
    font-size: 1.6rem;
  }

  .md-typeset h2 {
    font-size: 1.3rem;
  }

  .md-typeset h3 {
    font-size: 1.1rem;
  }

  /* Code blocks */
  .md-typeset pre {
    border-radius: 8px;
    margin: 1rem -0.5rem;
    padding: 1rem;
  }

  .md-typeset code {
    font-size: 0.8rem;
  }

  /* Header compact */
  .md-header__title {
    font-size: 0.9rem;
  }

  .md-header__button.md-logo {
    padding: 0.3rem;
  }

  .md-header__button.md-logo img {
    height: 1.6rem;
  }

  /* Search fullscreen feel */
  .md-search__input {
    font-size: 1.1rem;
  }

  /* Bottom navigation spacing */
  .md-footer-nav {
    padding: 1rem;
  }

  .md-footer-nav__link {
    padding: 0.8rem;
  }

  /* Floating action button style for scroll-to-top */
  .md-top {
    position: fixed !important;
    bottom: 1.5rem !important;
    right: 1rem !important;
    top: auto !important;
    left: auto !important;
    width: 3rem !important;
    height: 3rem !important;
    min-height: unset !important;
    max-height: 3rem !important;
    padding: 0 !important;
    border-radius: 50% !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    display: flex !important;
    align-items: center;
    justify-content: center;
  }

  .md-top svg {
    width: 1.2rem;
    height: 1.2rem;
  }
}

/* Small phone (max-width: 400px) */
@media screen and (max-width: 400px) {
  .md-nav__item--nested > .md-nav__link {
    font-size: 0.85rem;
    letter-spacing: 0.03em;
  }

  .md-typeset {
    font-size: 0.9rem;
  }

  .md-typeset h1 {
    font-size: 1.4rem;
  }

  /* Stack tables vertically if needed */
  .md-typeset table:not([class]) th,
  .md-typeset table:not([class]) td {
    padding: 0.5rem;
    font-size: 0.85rem;
  }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  /* Remove all hover effects */
  .md-nav__item--nested > .md-nav__link:hover {
    background: rgba(var(--md-primary-fg-color--rgb), 0.08);
    transform: none;
  }

  .md-nav__item:not(.md-nav__item--nested) > .md-nav__link:hover {
    transform: none;
    border-left-color: transparent;
    background: transparent;
  }

  .md-typeset pre:hover {
    transform: none;
    box-shadow: none;
  }

  .md-typeset table:not([class]):hover {
    box-shadow: none;
  }

  /* Active state for touch */
  .md-nav__link:active {
    background: rgba(var(--md-accent-fg-color--rgb), 0.2) !important;
    transition: background 0.1s ease;
  }

  /* Larger copy button */
  .md-clipboard {
    padding: 0.6rem;
  }

  .md-clipboard svg {
    width: 1.2rem;
    height: 1.2rem;
  }
}

/* Landscape phone */
@media screen and (max-width: 960px) and (orientation: landscape) {
  .md-header {
    padding: 0.3rem 0.8rem;
  }

  .md-nav__item:not(.md-nav__item--nested) > .md-nav__link {
    padding: 0.5rem 1rem 0.5rem 1.5rem;
    min-height: 40px;
  }

  .md-content {
    padding-top: 0.5rem;
  }
}

/* Dark mode specific mobile tweaks */
@media screen and (max-width: 960px) {
  [data-md-color-scheme="slate"] .md-nav--primary .md-nav__title {
    background: var(--md-primary-fg-color);
  }

  [data-md-color-scheme="slate"] .md-nav__link:active {
    background: rgba(255, 255, 255, 0.1) !important;
  }
}

/* Safe area for notched phones */
@supports (padding: max(0px)) {
  .md-header {
    padding-left: max(0.8rem, env(safe-area-inset-left));
    padding-right: max(0.8rem, env(safe-area-inset-right));
  }

  .md-sidebar--primary .md-sidebar__scrollwrap {
    padding-bottom: max(1rem, env(safe-area-inset-bottom));
  }

  .md-content {
    padding-left: max(0.8rem, env(safe-area-inset-left));
    padding-right: max(0.8rem, env(safe-area-inset-right));
  }
}

/* Hero buttons on home page */
.hero-buttons {
  display: flex;
  gap: 1rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.hero-buttons .md-button {
  padding: 0.8rem 1.5rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.hero-buttons .md-button--primary {
  background: linear-gradient(135deg, var(--md-primary-fg-color), #9333ea);
  border: none;
  color: white !important;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.4);
}

.hero-buttons .md-button--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.5);
}

.hero-buttons .md-button:not(.md-button--primary) {
  border: 2px solid var(--md-primary-fg-color);
  color: var(--md-primary-fg-color) !important;
}

.hero-buttons .md-button:not(.md-button--primary):hover {
  background: rgba(124, 58, 237, 0.1);
}

/* Social link icon for UI button */
.md-social__link[href="/ui/"] {
  color: var(--md-accent-fg-color) !important;
}

.md-social__link[href="/ui/"]:hover {
  transform: scale(1.2);
}

/* Уменьшенные отступы в навигации */
.md-nav__item {
  margin: 0 !important;
}

.md-nav__link {
  padding: 0.3rem 0.6rem !important;
}

.md-nav__item--nested > .md-nav__link {
  padding: 0.4rem 0.6rem !important;
  margin-top: 0.3rem !important;
}

.md-nav__item:not(.md-nav__item--nested) > .md-nav__link {
  padding: 0.25rem 0.6rem 0.25rem 1rem !important;
}

.md-nav--primary > .md-nav__list > .md-nav__item--nested {
  margin-top: 0.5rem !important;
  padding-top: 0.3rem !important;
}