/*--------------------------------------------------------------
>>> TABLE OF CONTENTS:
----------------------------------------------------------------
# General styles
  - backgrounds
  - containers
  - pagination
  - thumbnail

# Header
  - general items
  - icons (home-search-toggle)
  - search modal
  - left menu 
  - mobile navigation

# Footer

# Front page
  - math sections
  - section-banner
  - section-media
  - section-questions, section-math-objects
  - section-textbook
  - section-article
  - section-textbook and section-article widgets
  - section-multigraph
  - section-code, section-blog, section-cinema

# Entry classes

# Pages
  - archive pages and components
  - slug: math-archives
  - pages components

# Blogs
  - default styles
  - page-blog.php

# Comments
  - comments area
  - comment list
  - comment respond

# Textbook

# article.php

# media.php

# Multigraph
  - multigraph header
  - multigraph container
  - multigraph images
  - multigraph controls

# function.php

# wp-blocks
  - wp-block-table
  - wp-block-search
  - wp-block-audio
  - wp-block-social-links
  - wp-block-latest-posts
  - wp-block-cover
  - wp-block-file
  - wp-block-group
  - wp-block-button
--------------------------------------------------------------*/

/*--------------------------------------------------------------
# General styles
  - backgrounds
  - containers
  - pagination
  - thumbnail
--------------------------------------------------------------*/
/* General styles: backgrounds */
.lining,
.single-textbook,
.single-article,
.post-type-archive-courses,
.tutor-tab.tutor-course-spotlight-tab {
	display: block;
  position: relative;
  background-size: 100% 30px;
  background-image: linear-gradient(#fbeef0 1px, transparent 1px);
}

.punctuation,
.single-post,
.page-general {
  background-size: 20px 20px;
  background-image: radial-gradient(circle, #cccccc 1px, transparent 1px);
  
}

.page-math {
  display: block;
  position: relative;
  background-size: 100% 30px;
  background-image: linear-gradient(#fbeef0 1px, transparent 1px);
}

.page-code {
  background-size: 30px 30px;
  background-color: #1e1e1e;
  background-image: 
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  
}

.page-cinema {
  background-size: 50px 50px;
  background-color: #121212;
  background-position: 0 0, 25px 25px;
  background-image:
    radial-gradient(circle, gray 1px, transparent 1px),
    radial-gradient(circle, gray 1px, transparent 1px);
}

/* General styles: containers */
.central {
  margin: 0 20vw;
}

/* General styles: Pagination */
.pagination {
  margin: 2rem 1em;
  text-align: center;
}

.pagination ul {
  display: flex;
  justify-content: center;
}

.pagination a,
.pagination span {
  margin: 0 5px;
  padding: 3px 10px;
  border-radius: 4px;
  color: var(--clrMA);
  text-decoration: none;
  background-color: var(--clrMC);
}

.pagination .current {
  font-weight: bold;
  background: var(--clrMD);
}

.pagination a:hover {
  color: var(--clrMD);
  background-color: var(--clrMB);
}

/* General styles: thumbnail */
.page:not(.home) .post-thumbnail img {
  width: auto;
  height: 80vh;
  display: block;
  margin: 0 auto;
  border-radius: 0;
  border-top: none;
  object-fit: cover;
  border: 8px solid #fff;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.single-post .post-thumbnail img,
.single-cinema-post .post-thumbnail img,
.single-code-post .post-thumbnail img {
  border-radius: 0 0 18px 18px;
}

.archive .post-thumbnail img {
  border-radius: 18px;
}

.featured-post-thumbnail img,
.latest-post-thumbnail img {
  height: auto;
  max-width: 100%;
  border-radius: 6px;
  margin-bottom: 10px;
}


/*--------------------------------------------------------------
# Header
  - general items
  - icons (home-search-toggle)
  - search modal
  - left menu 
  - mobile navigation
--------------------------------------------------------------*/
/* header: general items */
.nav-left,
.nav-right {
  flex: 1;
  gap: 20px;
  display: flex;
  align-items: center;
  justify-content: start;
}

#left-menu,
#right-menu {
  flex: 1;
}

#left-menu {
  justify-content: flex-start;
}

#right-menu {
  justify-content: flex-end;
}

.main-navigation ul.menu > li > a span {
  font-size: var(--fszXS);
  font-family: var(--fontE);
}

/* header: icons (home-search-toggle) */
.navbar-container .home-icon,
.navbar-container .wp-block-bt-modal-block,
.navbar-container .menu-toggle {
  width: 60px;
  height: 100%;
  align-items: center;
  justify-content: center;
  background-color: var(--clrMA);
}

.navbar-container .home-icon,
.navbar-container .wp-block-bt-modal-block {
  display: flex;
}

.nav-left .home-icon a {
  justify-content: center;
}

/* header: search modal */
.navbar-container .bt-modal-trigger {
  width: 100%;
  height: 100%;
  display: flex;
  color: var(--clrMD);
  align-items: center;
  justify-content: center;
}

.navbar-container .bt-modal .wp-block-search {
  width: 90%;
}

.navbar-container .bt-modal .wp-block-search .wp-block-search__inside-wrapper {
  gap: 10px;
  align-items: center;
  justify-content: baseline;
  flex-direction: row-reverse;
}

.navbar-container .bt-modal .wp-block-search .wp-block-search__inside-wrapper button {
  margin-right: 0;
  width: fit-content;
}

.navbar-container .bt-modal-trigger:hover {
  color: #191970;
}

/* header: left menu */
#left-menu .sub-menu {
  gap: 10px;
  align-items: start;
  padding: 30px 50px;
  flex-direction: column;
  justify-content: start;
}

#left-menu .sub-menu li {
  border-radius: 8px;
  text-align: center;
  padding: 20px 10px 20px 30px;
  box-shadow: 0 0 5px var(--clrMC); 
}

#left-menu .sub-menu li a i {
  top: 10px;
  bottom: 0;
  left: -20px;
  width: 40px;
  height: 40px;
  padding: 5px;
  display: flex;
  font-size: 24px;
  position: absolute;
  border-radius: 50%;
  color: var(--clrMC);
  align-items: center;
  justify-content: center;
  border: 1px solid blue;
  background-color: aquamarine;
}

#left-menu .sub-menu .menu-item-title {
  margin-right: 10px;
  display: inline-block;
  font-family: var(--fontE);
}

#left-menu .sub-menu .menu-item-description {
  color: var(--clrMD);
  display: inline-block;
  font-size: var(--fszXS);
  font-family: var(--fontP);
}

#left-menu .icon-animate {
  --fa-animation-duration: 3s;
}

/* header: mobile navigation */
#mobile-navigation {
  width: 100%;
  display: none;
  position: relative;
  background-color: var(--clrMA);
}

#mobile-navigation {
  top: 60px;
  width: 100vw;
  height: 100vh;
  padding: 10px;
  display: none;
  direction: ltr;
  position: absolute;
}

#mobile-navigation li {
  padding: 5px 10px;
}

#mobile-navigation > ul > li:nth-child(1),
#mobile-navigation > ul > li:nth-child(4) {
  margin: 5px auto;
  border-bottom: 2px solid lightgray;
}

#mobile-navigation ul ul {
  display: none;
}

#mobile-navigation ul li.focus > ul,
#mobile-navigation ul li.open > ul {
  top: auto;
  left: auto;
  padding: 0;
  width: 100%;
  height: auto;
  display: flex;
  box-shadow: none;
  margin-top: 10px;
  position: relative;
  flex-direction: column;
  background-color: transparent;
}

#mobile-navigation .menu-item-has-children > a {
  position: relative;
  padding-right: 20px;
}

#mobile-navigation .menu-item-has-children > a:after {
  top: 50%;
  right: 0;
  position: absolute;
  transform: translateY(-50%);
}

#mobile-navigation li a i {
  margin-inline-end: 10px;
}

/*--------------------------------------------------------------
# Footer
--------------------------------------------------------------*/
#menu-footer-menu li {
  padding: 0 0.5em;
  border-radius: 5px;
}

#menu-footer-menu li:nth-child(5n-4) {
  background-color: lightblue;
}

#menu-footer-menu li:nth-child(5n-3) {
  background-color: rgb(197, 252, 197);
}

#menu-footer-menu li:nth-child(5n-2) {
  background-color: rgb(251, 202, 182);
}

#menu-footer-menu li:nth-child(5n-1) {
  background-color: linen;
}

#menu-footer-menu li:nth-child(5n) {
  background-color: rgb(251, 199, 206);
}

/*--------------------------------------------------------------
# Front page
  - math sections
  - section-banner
  - section-media
  - section-questions, section-math-objects
  - section-textbook
  - section-article
  - section-textbook and section-article widgets
  - section-multigraph
  - section-code, section-blog, section-cinema
--------------------------------------------------------------*/
/* front-page.php: math sections */
#home-math {
  gap: 10vh;
  display: flex;
  padding-bottom: 10vh;
  flex-direction: column;
}

/* front-page.php: #section-banner */
.home-banner {
  overflow: hidden;
  position: relative;
  text-align: center;
}

#slogan,
#motto {
  left: 0;
  right: 0;
  opacity: 0.5;
  bottom: 67.5%;
  color: var(--clrH);
  font-family: "Zar";
  position: absolute;
  letter-spacing: 0.5vw;
  font-size: var(--fszL);
  margin: 20vh auto 0 auto;
}

#slogan {
  word-spacing: 1vw;	
}

#motto {
  display: none;
  word-spacing: 2vw;
}

#section-banner .mild {
  gap: 10px;
  width: 100%;
  display: flex;
  padding: 9vh 0;
  position: relative;
  align-items: center;
  justify-content: center;
  background-color: var(--clrMA);
  
}

.shape { 
  rotate: -5deg;
  direction: ltr;
  cursor: pointer;
  overflow: hidden;
  text-align: center;
  padding: 2em 0.9em;
  color: var(--clrMD);
  display: inline-block;
  align-content: center;
  font-size: var(--fszXS);
  font-variant: small-caps;
  font-family: var(--fontE) !important;
  background-color: rgb(236, 191, 191);
  border-radius: 80% 20% 32% 68% / 58% 22% 78% 42%;
}

.shape:hover {
  background-blend-mode: multiply;
  background: radial-gradient(circle at 30% 30%, #f5dada, #d8a9a9 60%, #b17878);
}

.surprise {
  top: 0;
  width: 100%;
  height: auto;
  display: none;
  position: absolute;  
}

/* front-page.php: #section-media */
#tv {
  display: flex;
  position: relative;
  text-align: center;
  align-items: center;
  flex-direction: column;
  justify-content: center;
}

#tv h2,
#tv h3 {
  z-index: 9;
}

#wink {
  width: 25%;
  display: flex;
  overflow: hidden;
  min-width: 280px;
  margin: 0px auto;
  min-height: 200px;
  position: relative;
  border-radius: 15px;
  align-items: center;
  justify-content: center;
  background-color: #1e1e1e;
  border: 15px solid var(--clrMD);
}

#wink h2 {
  top: 50px;
  display: block;
  font-size: 26px;
  overflow: hidden;
  position: absolute;
  color: var(--clrMB); 
}

#wink h3 { 
  bottom: 0px;
  width: 100%;
  padding: 5px;
  display: block;
  font-size: 20px;
  margin-bottom: 0;
  position: absolute;
  color: var(--clrMA); 
  background-color: rgb(255, 255, 255, 0.2); 
}

#tv-base {
  margin: auto;
  width: 150px;
  height: 20px;
  overflow: hidden;
  text-align: center;
  border-radius: 15px 15px 0 0;
  background-color: var(--clrMC);
}  

/* front-page.php: #section-questions, #section-math-objects */
.cards-group {
  align-items: center !important;
  justify-content: space-around !important;
}

.cards-group > div {
  padding: 1em;
  color: var(--clrMD);
  align-items: center;
  justify-content: center;
}

.cards-group > div:hover {
  border-radius: 18px;
  border: 1px dashed green;
  background-color: var(--clrMAT);
}

/* front-page.php > #section-textbook */
#section-textbook .section-header {
  margin-top: -45px;
}

#section-textbook .wp-block-kadence-infobox {
  height: 200px;
}

#section-textbook .kt-blocks-info-box-link-wrap {
  width: 100%;
  height: 100%;
  background: transparent;
}

#section-textbook .wp-block-kadence-infobox:nth-of-type(4n-1) {
  background-color: lightgreen;
}

#section-textbook .wp-block-kadence-infobox:nth-of-type(4n-2) {
  background-color: lightskyblue;
}

#section-textbook .wp-block-kadence-infobox:nth-of-type(4n-3) {
  background-color: lightpink;
}

#section-textbook .wp-block-kadence-infobox:nth-of-type(4n) {
  background-color: lightyellow;
}

/* front-page.php > #section-article */
#section-article .swiper {
  max-width: 600px;
}

#section-article .swiper-entry-content {
  background-color: lightyellow;
}

/* front-page.php: section-textbook and section-article widgets */
.section-header {
  padding: 1em;
  text-align: center;
  position: relative;
  align-items: center !important;
  background-color: var(--clrMAT);
}

.section-header > h2 {
  rotate: -2deg;
  padding: 0 1em;
  margin: 0.5em auto;
  display: inline-block;
  background-color: #eea9a9;
}

.section-header .note {
  top: -1em;
  right: 1em;
  rotate: -2deg;
  padding: 0.2em 1em;
  position: absolute;
  background-color: lightseagreen;
}

.section-header .wp-block-kadence-iconlist {
  rotate: -2deg;
}

.section-header .wp-block-kadence-iconlist .kt-svg-icon-list-text {
  padding: 0 1em;
  color: var(--clrMA);
  background-color: var(--clrMD);
}

.section-footer {
  padding: 1em;
  min-height: 8vh;
  text-align: center;
  position: relative;
  background-color: var(--clrMAT);
}

.section-footer > a {
  left: 0;
  right: 0;
  bottom: -1em;
  margin: auto;
  padding: 0.2em 1em;
  position: absolute;
  width: fit-content;
  background-color: lightseagreen;
}

.section-content {
  background-color: var(--clrMAT);
}

#section-article .section-content article .entry-meta {
  align-items: center;
}

/* front-page.php: #section-multigraph */
#section-multigraph {
  text-align: center;
  padding: 0 !important;
  border: 5px solid var(--clrMB);
}

.multigraph img {
  border-radius: 1em;
  border: 5px solid var(--clrMC);
  background-color: var(--clrMD);
}

.multigraph-header {
  padding: 1em;
  background-color: var(--clrMAT);
}

.home-multigraph-content {
  padding: 1em;
  background-color: var(--clrMA);
}

.home-multigraph-content .multigraph-container {
  margin: 0;
  padding: 0;
  width: 100%;
  max-width: none;
  box-shadow: none;
  text-align: inherit;
  background-color: transparent !important;
}

.multigraph-header .wp-block-group {
  align-items: center !important;
  justify-content: space-between !important;
}

/* front-page.php: #section-code, #section-blog, #section-cinema */
#section-code .central > .wp-block-kadence-infobox > a,
#section-blog .central > .wp-block-kadence-infobox > a,
#section-cinema .central > .wp-block-kadence-infobox > a {
  width: calc(100% - 1px) !important;
  border-radius: 0;
}

#section-code,
#section-blog,
#section-cinema {
  padding: 10vh 0;
}


/*--------------------------------------------------------------
# Entry classes
--------------------------------------------------------------*/
.single-post .entry-header,
.single-cinema-post .entry-header,
.single-code-post .entry-header,
.archive .entry-header {
  border-radius: 18px 18px 0 0;
  background-color: var(--clrMC);
}

.single-post .entry-header .post-categories,
.single-cinema-post .entry-header .post-categories,
.single-code-post .entry-header .post-categories,
.archive.page-general .entry-meta {
  background-color: #fff;
  border-radius: 0 0 8px 8px;
}

.entry-title {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 1rem;
}

.page-cinema .entry-title,
.page-code .entry-title {
  color: var(--clrMD);
}

.single-post .entry-header .entry-title,
.single-cinema-post .entry-header .entry-title,
.single-code-post .entry-header .entry-title,
.archive .entry-header .entry-title {
  padding: 0.5em;
  margin-top: 1em;
  border-radius: 18px 18px 0 0;
  background-color: var(--clrMB);
}

.single-post .entry-header .entry-title,
.single-cinema-post .entry-header .entry-title,
.single-code-post .entry-header .entry-title,
.archive .entry-header .entry-title,
.single-post .entry-header .post-categories,
.single-cinema-post .entry-header .post-categories,
.single-code-post .entry-header .post-categories,
.archive .entry-header .post-categories,
.archive .entry-meta,
.single-cinema-post .entry-meta,
.single-code-post .entry-meta,
.archive.page-cinema .entry-meta {
  margin: auto;
  padding: 0 1em;
  width: fit-content;
}

.single-cinema-post .entry-meta,
.archive.page-cinema .entry-meta,
.single-code-post .entry-meta,
.archive.page-code .entry-meta {
  margin-bottom: 2em;
  color: var(--clrMA);
  border-radius: 0 0 8px 8px;
}

.single-cinema-post .entry-meta,
.archive.page-cinema .entry-meta {
  background-color: #121212;
}

.single-code-post .entry-meta,
.archive.page-code .entry-meta {
  background-color: #1e1e1e;
}

.single-post .entry-content,
.single-cinema-post .entry-content,
.single-code-post .entry-content,
.archive .entry-content {
  padding: 3em;
  position: relative;
  background-color: var(--clrMB);
}

.archive .entry-content {
  margin-bottom: 10vh;
  border-radius: 0 0 18px 18px;
}


/*--------------------------------------------------------------
# Pages
  - archive pages and components
  - slug: math-archives
  - pages components
--------------------------------------------------------------*/
/* pages: archive */
.archive .post-categories {
  display: none;
}

.archive .page-header {
  padding: 5vh 10px;
}

.archive.page-cinema .page-title,
.archive.page-code .page-title {
  color: var(--clrMB);
}

.archive .comments-link {
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  padding: 0 1em;
  position: absolute;
  width: fit-content;
  border-radius: 8px 8px 0 0;
}

.archive.page-general .comments-link {
  background-color: #fff;
}

.archive.page-code .comments-link,
.archive.page-cinema .comments-link {
  background-color: var(--clrMA);
}

.archive .post-list {
  display: block;
}

.archive-header {
  padding: 1em;
  text-align: center;
  color: var(--clrMA);
  background-color: var(--clrMD);
}

.archive-description {
  color: #666;
  font-size: 1rem;
}

/* pages: slug:math-archives */
#math-archive > h2 {
  margin-top: 10vh;
  min-height: 15vh;
  margin-bottom: 5px;
  padding: 10vh 20px 10px 20px;
}

#math-archive > h2:nth-of-type(2n-1) {
  color: green;
  background: linear-gradient(
    to top left,
    rgba(179, 208, 239, 0.8) 0%,
    rgba(153, 197, 238, 0.4) 50%,
    rgba(0, 123, 255, 0) 100%
  );
}

#math-archive > h2:nth-of-type(2n) {
  color: brown;
  background: linear-gradient(
    to top left,
    rgba(179, 239, 184, 0.8) 0%,
    rgba(226, 243, 141, 0.4) 50%,
    rgba(0, 123, 255, 0) 100%
  );
}

/* Pages: pages components */
.page-content {
  margin-bottom: 3rem;
}

.page-cinema h1,
.page-cinema h2,
.page-cinema h3,
.page-cinema h4,
.page-cinema h5,
.page-cinema h6,
.page-cinema .entry-title a {
  font-family: var(--fontCiH) !important;
}

.page-code h1,
.page-code h2,
.page-code h3,
.page-code h4,
.page-code h5,
.page-code h6,
.page-code .entry-title a {
  font-family: var(--fontCoH) !important;
}

.page-cinema .entry-content figure {
  max-width: 600px;
  margin: 3vh auto;
}

.page:not(.page-template-front-page) main {
  padding-bottom: 10vh;
}


/*--------------------------------------------------------------
# Blogs
  - default styles
  - page-blog.php
--------------------------------------------------------------*/
/* Blogs: default styles */
.wp-block-categories {
  gap: 10px;
  display: flex;
  flex-wrap: wrap;
  margin: 10vh auto;
  justify-content: center;
  flex-direction: row-reverse;
}

.cat-item {
  padding: 0.5em;
  border-radius: 12px;
  border: 5px solid lightgrey;
}

.cat-item:nth-child(4n-3) {
  background-color: aqua;
}

.cat-item:nth-child(4n-2) {
  background-color: antiquewhite;
}

.cat-item:nth-child(4n-1) {
  background-color: aliceblue;
}

.cat-item:nth-child(4n) {
  background-color: aquamarine;
}

.blog-container {
  padding: 20px;
  margin: 0 auto;
  max-width: 1000px;
  margin-top: 100px;
}

.categories-list {
  gap: 15px;
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.category-card {
  flex: 1 1 30%;
  padding: 20px;
  color: #333;
  border-radius: 8px;
  text-align: center;
  text-decoration: none;
  background: #f8f8f8;
  transition: background 0.3s ease;
}

.category-card:hover {
  background: #e0e0e0;
}

.featured-posts, .latest-posts {
  margin-bottom: 40px;
}

.featured-post, .latest-post {
  margin-bottom: 20px;
}

.post-category,
.read-more-link {
  padding: 3px 8px;
  font-size: 0.9em;
  border-radius: 4px;
  margin-bottom: 8px;
  color: var(--clrMD);
  display: inline-block;
  background-color: var(--clrMB);
}

.post-category:hover,
.read-more-link:hover {
  background-color: var(--clrMC);
}

.post-meta {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.post-excerpt,
.post-excerpt p,
.abstract,
.abstract p {
  color: #333;
  overflow: hidden;
  margin: 1em;
  font-size: var(--fszS);
  text-align: justify;
}

.post-excerpt {
  display: -webkit-box;
  -webkit-line-clamp: 4;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
}

/* Blogs: page-blog.php */
.post-list {
  gap: 8px;
  display: grid;
  padding: 5px 0;
  grid-template-columns: repeat(3, 1fr);
}

.post-card {
  width: 100%;
  display: flex;
  text-align: center;
  align-items: center;
  flex-direction: column;
  justify-content: space-between;
  background-color: var(--clrMA);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.post-card .post-content,
.post-card .entry-footer {
  padding: 1em;
}

.post-card .container-media {
  width: 100%;
  height: 300px;
  overflow: hidden;
}

.post-card .entry-title {
  font-weight: 600;
  font-size: 1.2rem;
}

.post-card .post-thumbnail {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}


/*--------------------------------------------------------------
# Comments
  - comments area
  - comment list
  - comment respond
--------------------------------------------------------------*/
/* Comments: comments area */
.comments-area {
  padding: 1em;
	background: radial-gradient(#fff, var(--clrMC), var(--clrMB), aqua);
}

/* Comments: comment list */
.comment-list {
  padding: 1em;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.3);
}

.comment-list > li {
  padding: 1em;
  display: grid;
  grid-gap: 1em; 
  margin-bottom: 1em;
  border-radius: 12px 0;
  border: 1px solid #fff;
  grid-template-columns: repeat(2, 1fr);
}

.comments-area .comments-title,
.comment-list .says,
.comment-list .reply,
.comment-list .comment-author img,
.comment-list .comment-metadata {
	display: none !important;
}

.comment-list > li > article b::before {
  font-size: 18px;
  margin-left: 5px;
  content: '\f2bd';
  color: lightcoral;
  font-family: 'FontAwesome';
}

.comment-list > li > ol b::before {
  font-size: 16px;
  margin-left: 5px;
  content: '\f2bd';
  color: lightsalmon;
  font-family: 'FontAwesome';
}

.comment-content {
	padding: 0 10px;
	border-radius: 5px;
  width: fit-content;
}

.comment-content p {
  margin-bottom: 0 !important;
}

.children .comment .comment-metadata {
	display: none;
}

/* Comments: comment respond */
.comment-respond,
.comment-form {
	width: 100% !important;
	padding: 1em !important;
}

.comment-respond {
	padding: 20px 0;
	text-align: center;
  width: 100% !important;
	margin: 0 !important;
  backdrop-filter: blur(10px);
	background: rgba(255, 255, 255, 0.3);
}

.comment-respond .comment-form {
	width: 60%;
	margin: auto;
}

.comment-form-author label,
.comment-form-email label {
	display: block;
}

.comment-respond .comment-form-url,
.comment-respond .comment-notes,
.comment-reply-title,
.comment-form-cookies-consent {
  display: none;
}

.comment-form textarea {
	padding: 10px;
	border-radius: 12px;
  font-family: var(--fontP);
}

/* Comments: comment-tabs */
.comment-tabs {
  gap: 10px;
  display: flex;
  margin-bottom: 20px;
  justify-content: center;
}

.comment-tab {
  border: none;
  cursor: pointer;
  padding: 10px 20px;
  border-radius: 5px;
  transition: all 0.3s;
  background-color: #f0f0f0;
}

.comment-tab.active {
  color: white;
  background-color: #0073aa;
}

.comment-tab-content {
  display: none;
  padding: 15px;
  border-radius: 5px;
}

.comment-tab-content.active {
  display: block;
}


/*--------------------------------------------------------------
# Textbook
--------------------------------------------------------------*/
.single-textbook .entry-header .entry-title {
  padding: 2em 1em;
  background: linear-gradient(#fff, var(--clrMB));
}

.docs-container {
  margin: auto;
  padding: 0 4rem;
}

.docs-section {
  margin-bottom: 3rem;
}

.section-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.group-cards {
  gap: 1.5em;
  display: grid;
  justify-items: center;
  justify-content: center;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.group-cards.woven {
  grid-auto-rows: 10px; /* this is important!*/
}

.group-card,
.level-1 {
  width: 280px;
  border-radius: 8px;
  background-color: #f9f9f9;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.level-1 {
  height: fit-content;
}

.level-0 h2 {
  color: brown;
  margin-top: 9.3vh;
  min-height: 15vh;
  text-align: center;
  margin-bottom: 1em;
  padding: 10vh 20px 10px 20px;
  background: linear-gradient(
    to top left,
    rgba(179, 208, 239, 0.8) 0%,
    rgba(153, 197, 238, 0.4) 50%,
    rgba(0, 123, 255, 0) 100%
  );
}

.card-title,
.group-cards h3 {
  padding: 1rem;
  font-size: 1.2rem;
  text-align: center;
  color: var(--clrMA);
  border-radius: 8px 8px 0 0;
  background-color: var(--clrMD);
}

.group-cards h4 {
  color: brown;
  padding: 0.2rem 0.5rem;
  background-color: var(--clrMC);
}

.child-terms {
  padding-left: 0;
  list-style: none;
}

.child-terms li {
  margin-bottom: 0.3rem;
}

.child-terms li a {
  color: #0073aa;
  text-decoration: none;
}

.child-terms li a:hover {
  text-decoration: underline;
}

.docs-list li {
  padding: 2px 0;
}

.docs-list li:nth-child(even) {
  background-color: var(--clrMA);
}

.docs-list li:nth-child(odd) {
  background-color: var(--clrMB);
}

.docs-list li a {
  width: 100%;
  display: block;
}

.docs-list li a i {
  margin: 5px;
  opacity: 0.5;
  font-size: var(--fszXS);
}

.tip-box {
  margin: 50px auto;
  border: 1px solid var(--clrMC);
}

.tip-title {
  padding: 3px 10px;
  color: var(--clrMA);
  background-color: var(--clrMD);
}

.tip-content {
  padding: 10px;
  background-color: var(--clrMA);
}


/*--------------------------------------------------------------
# article.php
--------------------------------------------------------------*/


/*--------------------------------------------------------------
# media.php
--------------------------------------------------------------*/
.math-media-posts article {
  display: grid;
  align-items: center;
  grid-template-areas: "content media";
  grid-template-columns: repeat(2, 1fr);
}

.math-media-posts article:nth-child(even) {
  grid-template-areas: "media content";
}

.math-media-posts article > video {
  width: 100%;
  height: auto;
  grid-area: media;
}

.math-media-posts article .post-content {
  height: 100%;
  display: flex;
  padding: 20px;
  grid-area: content;
  align-items: center;
  flex-direction: column;
  justify-content: center;
}

.math-media-posts article:nth-child(3n) .post-content {
  background-color: var(--clrMC);
}
.math-media-posts article:nth-child(3n-1) .post-content {
  background-color: var(--clrMB);
}
.math-media-posts article:nth-child(3n-2) .post-content {
  background-color: var(--clrMA);
}


/*--------------------------------------------------------------
# Multigraph
  - multigraph header
  - multigraph container
  - multigraph images
  - multigraph controls
--------------------------------------------------------------*/
/* Multigraph: multigraph header */
.page-template-multigraph .entry-header {
  padding-top: 4vh;
}

/* Multigraph: multigraph container */
.multigraph-container {
  width: 90%;
  padding: 2em;
  margin: 2em auto;
  max-width: 1200px;
  text-align: center;
  box-shadow: 0 0 5px var(--clrMC);
}

.multigraph-container:nth-of-type(3n-1) {
  background-color: rgb(217, 239, 247);
}

.multigraph-container:nth-of-type(3n-2) {
  background-color: rgb(211, 244, 211) ;
}

.multigraph-container:nth-of-type(3n) {
  background-color: rgb(251, 223, 212);
}

/* Multigraph: multigraph images */
.wp-block-gallery.has-nested-images.multigraph figure:not(:first-child) {
  display: none;
}

.multigraph figure {
  margin: auto !important; 
  max-width: 500px !important;
}

.multigraph figure figcaption {
  display: none !important;
}

.multigraph figure::before {
  display: none !important;
}

/* Multigraph: multigraph controls */
.multigraph-controls {
  gap: 15px;
  display: flex;
  margin: 20px 0;
  direction: ltr;
  flex-wrap: wrap;
  justify-content: center;
}

.multigraph-control {
  margin: 5px;
  cursor: pointer;
  padding: 8px 15px;
  border-radius: 4px;
  transition: all 0.3s ease;
  background-color: #f5f5f5;
}

.multigraph-control:hover {
  background: #e0e0e0;
}

.multigraph-control.active {
  color: white;
  background-color: #0073aa;
}


/*--------------------------------------------------------------
# function.php
--------------------------------------------------------------*/
.swiper-entry-content {
  gap: 1em;
  padding: 2em;
  display: flex;
  min-height: 30vh;
  text-align: center;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  background-color: var(--clrMA);
}


/*--------------------------------------------------------------
# wp-blocks
  - wp-block-table
  - wp-block-search
  - wp-block-audio
  - wp-block-social-links
  - wp-block-latest-posts
  - wp-block-cover
  - wp-block-file
  - wp-block-group
  - wp-block-button
  - wp-block-media-text 
--------------------------------------------------------------*/
/* wp-blocks: wp-block-table */
.wp-block-table {
	border-radius: 8px !important;
	margin: 0 auto 10px auto !important;
	border: 1px solid var(--clrMB) !important;
}

.wp-block-table table {
	margin: auto !important;	
}

.wp-block-table table th {
	padding: 5px !important;
	background-color: var(--clrMA) !important;
}

.wp-block-table table td,th {
	border: 1px solid var(--clrMB);
}

/* wp-blocks: wp-block-search */
.wp-block-search {
	width: 300px;
	margin: auto;
}

/* wp-blocks: wp-block-audio */
.wp-block-audio {
	width: 300px !important;
	margin: 10px auto 20px auto !important;
}

/* wp-blocks: wp-block-social-links */
.wp-block-social-links {
	justify-content: center;
}

/* wp-blocks: wp-block-latest-posts */
.wp-block-latest-posts__list,
.blog-posts {
  padding: 2em;
  display: grid;
  grid-gap: 2em; 
  grid-template-columns: repeat(4, 1fr);
}

.wp-block-latest-posts__list li,
.blog-post {
  text-align: center;
  padding: 0 1em 1em;
  border-radius: 8px; 
  background-color: #fff;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);
}

.wp-block-latest-posts__post-excerpt {
  text-align: justify;
  font-weight: normal;
  font-size: var(--fszS);
}

/* wp-blocks: wp-block-cover */
.wp-block-cover {
  padding: 0 !important;
  min-height: 60vh !important;
  border-radius: 0 0 18px 18px;
}

.wp-block-cover__inner-container {
  animation: cloud-float 3s ease-in-out infinite alternate;
}

.wp-block-cover__inner-container .wp-block-heading {
  color: brown;
  padding: 0.3em;
  backdrop-filter: blur(8px);
  background-color: rgba(255, 255, 255, 0.1);
  box-shadow: 
    inset 0 0 10px rgba(255, 255, 255, 0.3),
    0 0 20px rgba(255, 255, 255, 0.2);
  text-shadow: 
    0 0 15px rgba(255, 255, 255, 0.8),
    0 0 30px rgba(255, 255, 255, 0.5),
    0 0 45px rgba(255, 255, 255, 0.3);
}

/* wp-blocks: wp-block-file */
.wp-block-file {
  text-align: center;
}

.wp-block-file > a:first-of-type {
  padding: 3px 5px;
  border-radius: 8px;
  color: var(--clrMD);
  margin: 5px !important;
  background-color: lightgreen;
}

/* wp-blocks: wp-block-group */
.wp-block-group-is-layout-grid {
  gap: 1rem !important;
}

/* wp-blocks: wp-block-button */
.wp-block-button a {
  padding: 3px 10px;
  border-radius: 8px;
  margin-right: 10px;
  color: var(--clrMA);
  font-size: var(--fszS);
  background-color: var(--clrMD);
}

.wp-block-button a:hover {
  color: var(--clrMD);
  background-color: var(--clrMC);
}

/* wp-blocks: wp-block-media-text */
.wp-block-media-text {
  min-height: 20vh !important;
}