/* VigyanShaala LMS theme — colors, hover, focus from vigyanshaala-lms-theme */

:root,
[data-md-color-scheme="default"],
[data-md-color-primary="custom"],
[data-md-color-accent="custom"] {
  --vs-brand: #69ab4a;
  --vs-brand-dark: #5a943f;
  --vs-brand-light: #f2f7f8;
  --vs-text: #454545;
  --vs-dark: #111827;
  --vs-muted: #707070;
  --vs-surface: #ffffff;
  --vs-border: rgba(0, 0, 0, 0.08);

  --md-primary-fg-color: #69ab4a;
  --md-primary-fg-color--light: #7fbf60;
  --md-primary-fg-color--dark: #5a943f;
  --md-primary-bg-color: #ffffff;
  --md-accent-fg-color: #69ab4a;
  --md-accent-fg-color--transparent: rgba(105, 171, 74, 0.12);
  --md-accent-bg-color: #ffffff;
  --md-typeset-a-color: #69ab4a;
}

body,
input,
button,
select,
textarea,
.md-typeset {
  font-family: "Nunito Sans", Roboto, sans-serif;
  color: var(--vs-text);
}

/* ---- Header ---- */

.md-header {
  background-color: var(--vs-surface);
  color: var(--vs-dark);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.10);
  border-bottom: none;
}

.md-header__title,
.md-header__topic {
  color: var(--vs-dark);
  font-weight: 600;
}

.md-header__button {
  color: var(--vs-muted);
}

.md-header__button:not(.md-logo):hover,
.md-header__button:not(.md-logo):focus {
  color: var(--vs-brand);
  opacity: 1;
  background-color: var(--vs-brand-light);
  border-radius: 6px;
}

.md-header__button.md-logo:hover,
.md-header__button.md-logo:focus {
  background-color: transparent;
  opacity: 1;
}

.md-header__button.md-logo {
  padding: 0.2rem 0.4rem 0.2rem 0;
}

.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  height: 2.6rem;
  width: auto;
}

.md-header__inner {
  gap: 0.4rem;
}

.md-header__inner .md-search {
  margin-left: auto;
}

/* ---- Search: gray field, green focus like LMS inputs ---- */

.md-search__form {
  background-color: inherit;
  border-radius: 6px;
}

.md-search__input {
  background-color: rgba(0, 0, 0, 0.045);
  color: var(--vs-dark);
  border-radius: 6px;
}

.md-search__input::placeholder {
  color: var(--vs-muted);
}

.md-search__input + .md-search__icon,
.md-search__icon svg {
  color: var(--vs-muted);
  fill: var(--vs-muted);
}

.md-search__input:hover {
  background-color: var(--vs-brand-light);
}

.md-search__input:focus {
  background-color: #ffffff;
  box-shadow: 0 0 0 1px var(--vs-brand);
}

.md-search__input:hover + .md-search__icon,
.md-search__input:focus + .md-search__icon,
.md-search__input:hover + .md-search__icon svg,
.md-search__input:focus + .md-search__icon svg {
  color: var(--vs-brand);
  fill: var(--vs-brand);
}

.md-search-result__link:hover,
.md-search-result__link:focus {
  background-color: var(--vs-brand-light);
}

.md-search-result__meta,
.md-search-result .md-typeset a {
  color: var(--vs-brand);
}

.md-search-result .md-typeset a:hover {
  color: var(--vs-brand-dark);
}

.search-platform {
  display: inline-block;
  margin-right: 0.45rem;
  padding: 0.05rem 0.4rem;
  border-radius: 4px;
  background: var(--vs-brand-light);
  color: var(--vs-brand-dark);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  vertical-align: middle;
}

.sr-search-terms {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* ---- Tabs ---- */

.md-tabs {
  background-color: var(--vs-surface);
  border-bottom: 1px solid var(--vs-border);
  color: var(--vs-text);
}

.md-tabs__link {
  color: var(--vs-muted);
  opacity: 1;
}

.md-tabs__link:hover {
  color: var(--vs-dark);
  border-bottom: 2px solid var(--vs-brand);
}

.md-tabs__link--active,
.md-tabs__item--active .md-tabs__link {
  color: var(--vs-dark);
  font-weight: 600;
  border-bottom: 2px solid var(--vs-brand);
}

/*
 * Platform tabs (Web | Android): sidebar shows ONLY the active platform.
 * Inactive platform section is hidden on all viewports.
 */
.md-nav--lifted > .md-nav__list > .md-nav__item--nested:not(.md-nav__item--active) {
  display: none !important;
}

/* Hide the active platform's own section title (Web / Android) — tabs already show it */
.md-nav--lifted > .md-nav__list > .md-nav__item--active > .md-nav__link,
.md-nav--lifted > .md-nav__list > .md-nav__item--active > .md-nav__container {
  display: none !important;
}

.md-nav--lifted > .md-nav__list > .md-nav__item--active > .md-nav {
  display: block !important;
}

.md-nav--lifted > .md-nav__list > .md-nav__item--active > .md-nav > .md-nav__title {
  display: none !important;
}

/* ---- Sidebar nav: LMS hover = light green fill + dark text ---- */

.md-nav__title {
  color: var(--vs-dark);
}

.md-nav--primary .md-nav__title {
  font-weight: 700;
}

.md-nav__item--section > .md-nav__link,
.md-nav .md-nav__link[for] ~ .md-nav {
  font-weight: 600;
}

.md-nav__link {
  border-radius: 6px;
  color: var(--vs-text) !important;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.md-nav--primary .md-nav__item .md-nav__link:hover,
.md-nav--primary .md-nav__item .md-nav__link:focus,
.md-sidebar--primary .md-nav__link:hover,
.md-sidebar--primary .md-nav__link:focus {
  background-color: var(--vs-brand-light) !important;
  color: var(--vs-dark) !important;
}

.md-nav--primary .md-nav__item .md-nav__link--active,
.md-nav--primary .md-nav__item .md-nav__link--active:hover,
.md-nav--primary .md-nav__item .md-nav__link--active:focus,
.md-sidebar--primary .md-nav__link--active,
.md-sidebar--primary .md-nav__link--active:hover {
  background-color: rgba(105, 171, 74, 0.14) !important;
  color: var(--vs-brand) !important;
  font-weight: 600;
}

.md-nav__item {
  padding: 0 0.2rem;
}

.md-sidebar--secondary .md-nav__link,
.md-nav--secondary .md-nav__link {
  color: var(--vs-text) !important;
  background-color: transparent !important;
  font-weight: 400;
}

.md-sidebar--secondary .md-nav__link:hover,
.md-sidebar--secondary .md-nav__link:focus,
.md-nav--secondary .md-nav__link:hover,
.md-nav--secondary .md-nav__link:focus {
  background-color: var(--vs-brand-light) !important;
  color: var(--vs-brand) !important;
}

.md-sidebar--secondary .md-nav__link--active,
.md-nav--secondary .md-nav__link--active {
  color: var(--vs-brand) !important;
  font-weight: 600;
  background-color: transparent !important;
}

.md-sidebar--secondary .md-nav__link--active:hover,
.md-nav--secondary .md-nav__link--active:hover {
  background-color: var(--vs-brand-light) !important;
  color: var(--vs-brand) !important;
}

/* ---- Content links ---- */

.md-typeset a:not(.md-button) {
  color: var(--vs-brand) !important;
  text-decoration: none;
}

.md-typeset a:not(.md-button):hover,
.md-typeset a:not(.md-button):focus {
  color: var(--vs-brand-dark) !important;
  text-decoration: underline;
}

.md-typeset a:not(.md-button):visited {
  color: var(--vs-brand);
}

/* ---- Admonitions ---- */

.md-typeset .admonition,
.md-typeset details {
  border-radius: 6px;
  border-width: 0 0 0 4px;
  box-shadow: none;
}

.md-typeset .admonition-title,
.md-typeset summary {
  font-weight: 600;
}

.md-typeset .admonition.note,
.md-typeset details.note,
.md-typeset .admonition.info,
.md-typeset details.info {
  border-color: var(--vs-brand);
}

.md-typeset .note > .admonition-title,
.md-typeset .note > summary,
.md-typeset .info > .admonition-title,
.md-typeset .info > summary {
  background-color: var(--vs-brand-light);
}

.md-typeset .admonition.success,
.md-typeset details.success {
  border-color: var(--vs-brand);
}

.md-typeset .success > .admonition-title,
.md-typeset .success > summary {
  background-color: rgba(105, 171, 74, 0.12);
}

/* ---- Help center home (Coursera-style) ---- */

.md-content:has(.help-center-cards) {
  max-width: 56rem;
  margin-inline: auto;
}

.help-center-cards.grid.cards > ul {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.help-center-cards.grid.cards > ul > li {
  min-height: 10rem;
  display: flex;
  flex-direction: column;
  padding: 1.25rem 1rem;
}

.help-center-cards.grid.cards > ul > li p {
  flex-grow: 1;
}

@media (max-width: 59.9em) {
  .help-center-cards.grid.cards > ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 44.9em) {
  .help-center-cards.grid.cards > ul {
    grid-template-columns: 1fr;
  }
}

/* ---- Category hub pages (2-column link lists) ---- */

.md-content:has(.category-hub) {
  max-width: 52rem;
}

.category-hub {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem 2.5rem;
  margin: 1.5rem 0 2rem;
}

.category-block h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--vs-dark);
  margin: 0 0 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.category-block ul {
  margin: 0;
  padding-left: 1.1rem;
  list-style: disc;
}

.category-block li {
  margin-bottom: 0.45rem;
  line-height: 1.5;
}

.category-block li a {
  color: var(--vs-brand) !important;
  font-weight: 500;
}

@media (max-width: 44.9em) {
  .category-hub {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ---- Coursera-style: no left sidebar on help, category, or article pages ---- */

body:has(.help-center-cards) .md-sidebar--primary,
body:has(.category-hub) .md-sidebar--primary,
body:has(.skip-to) .md-sidebar--primary {
  display: none;
}

body:has(.help-center-cards) .md-content,
body:has(.category-hub) .md-content,
body:has(.skip-to) .md-content {
  margin-left: 0;
}

body:has(.help-center-cards) .md-content__inner,
body:has(.category-hub) .md-content__inner {
  max-width: 52rem;
  margin-inline: auto;
}

/* ---- Section focus (hash links show one section only) ---- */

body.section-focus .md-sidebar--secondary {
  display: none;
}

/* Category hubs already list topics — do not show Skip to on articles */
.skip-to {
  display: none !important;
}

.section-hidden {
  display: none !important;
}

/* ---- Article pages: Skip to instead of right TOC ---- */

body:has(.skip-to) .md-sidebar--secondary {
  display: none;
}

body:has(.skip-to) .md-nav__path {
  display: none;
}

body:has(.skip-to) .md-content__inner {
  max-width: 48rem;
}

/* ---- Coursera-style breadcrumbs (in content) ---- */

.article-breadcrumbs {
  font-size: 0.875rem;
  line-height: 1.5;
  margin: 0 0 1rem;
  color: var(--vs-muted);
}

.article-breadcrumbs a {
  color: var(--vs-brand) !important;
  font-weight: 500;
  text-decoration: none !important;
}

.article-breadcrumbs a:hover {
  text-decoration: underline !important;
}

.article-breadcrumbs .sep {
  margin: 0 0.4rem;
  color: var(--vs-muted);
}

.article-breadcrumbs .current {
  color: var(--vs-dark);
  font-weight: 500;
}

/* ---- Sidebar breadcrumbs (category pages) ---- */

.md-nav__path {
  font-size: 0.75rem;
  color: var(--vs-muted);
}

.md-nav__path .md-nav__link {
  color: var(--vs-muted) !important;
}

.md-nav__path .md-nav__link:hover {
  color: var(--vs-brand) !important;
}

/* ---- Home: Web or Android choice ---- */

.md-content:has(.choose-platform) {
  max-width: 52rem;
  margin-inline: auto;
}

.choose-platform.grid.cards > ul {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.choose-platform.grid.cards > ul > li {
  min-height: 12rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  padding: 1.5rem 1.25rem;
}

@media (max-width: 44.9em) {
  .choose-platform.grid.cards > ul {
    grid-template-columns: 1fr;
  }
}

/* ---- How-to cards ---- */

.md-typeset .grid.cards > ul > li,
.md-typeset .grid.cards > ol > li {
  border-radius: 6px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.md-typeset .grid.cards > ul > li:hover,
.md-typeset .grid.cards > ol > li:hover {
  border-color: var(--vs-brand);
  background-color: var(--vs-brand-light);
  box-shadow: 0 4px 14px rgba(105, 171, 74, 0.18);
}

.md-typeset .grid.cards a:not(.md-button):hover {
  color: var(--vs-brand-dark);
}

/* ---- Buttons: LMS 6px radius, green fill, hover opacity ---- */

.md-typeset .md-button {
  border-radius: 6px;
  border: 1px solid var(--vs-brand);
  padding: 9px 16px;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
  text-decoration: none !important;
}

.md-typeset a.md-button--primary,
.md-typeset .md-button--primary {
  background-color: var(--vs-brand);
  border-color: var(--vs-brand);
  color: #ffffff !important;
}

.md-typeset a.md-button--primary:hover,
.md-typeset .md-button--primary:hover,
.md-typeset a.md-button--primary:focus,
.md-typeset .md-button--primary:focus {
  background-color: var(--vs-brand);
  border-color: var(--vs-brand);
  color: #ffffff !important;
  opacity: 0.8;
}

.md-typeset a.md-button:not(.md-button--primary),
.md-typeset .md-button:not(.md-button--primary) {
  background-color: transparent;
  border-color: var(--vs-brand);
  color: var(--vs-brand) !important;
}

.md-typeset a.md-button:not(.md-button--primary):hover,
.md-typeset .md-button:not(.md-button--primary):hover,
.md-typeset a.md-button:not(.md-button--primary):focus,
.md-typeset .md-button:not(.md-button--primary):focus {
  background-color: var(--vs-brand);
  border-color: var(--vs-brand);
  color: #ffffff !important;
}

/* ---- Back to top (bottom of every page) ---- */

.md-top {
  display: none !important;
}

.page-back-to-top {
  margin: 3rem 0 0.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--vs-border);
  text-align: center;
}

.page-back-to-top-link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.6rem 1.15rem;
  border: 1px solid var(--vs-border);
  border-radius: 999px;
  background: var(--vs-surface);
  color: var(--vs-dark) !important;
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1;
  text-decoration: none !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.page-back-to-top-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 50%;
  background: rgba(105, 171, 74, 0.14);
  color: var(--vs-brand);
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1;
}

.page-back-to-top-link:hover,
.page-back-to-top-link:focus {
  border-color: var(--vs-brand);
  background: var(--vs-brand-light);
  color: var(--vs-brand-dark) !important;
  text-decoration: none !important;
  box-shadow: 0 2px 8px rgba(105, 171, 74, 0.18);
}

.page-back-to-top-link:hover .page-back-to-top-icon,
.page-back-to-top-link:focus .page-back-to-top-icon {
  background: var(--vs-brand);
  color: #ffffff;
}

/* ---- TOC / skip / extra chrome ---- */

.md-footer {
  display: none;
}

.md-typeset .headerlink,
.md-typeset a.headerlink {
  display: none !important;
}

.md-typeset img {
  border: 1px solid var(--vs-border);
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

/* Phone screenshots in the Android guide — same height as 01-welcome.png */
.md-typeset img[src*="/img/android/"] {
  display: block;
  width: auto;
  height: 36rem;
  max-width: min(22rem, 100%);
  object-fit: contain;
  object-position: center top;
}

/* ---- Header Download PDF ---- */

.header-download-pdf {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  margin-right: 0.5rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--vs-brand);
  border-radius: 6px;
  color: var(--vs-brand) !important;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none !important;
  white-space: nowrap;
}

.header-download-pdf:hover,
.header-download-pdf:focus {
  background: var(--vs-brand);
  color: #ffffff !important;
}

.pdf-guide-page .skip-to,
.pdf-guide-page .sr-search-terms,
.pdf-guide-page .article-breadcrumbs {
  display: none !important;
}

.pdf-doc-title {
  margin: 0 0 1.25rem;
  color: var(--vs-dark);
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.25;
}

.pdf-kicker {
  margin: 0 0 0.75rem;
  color: var(--vs-brand);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

@media print {
  .md-header,
  .md-tabs,
  .md-sidebar,
  .md-footer,
  .header-download-pdf,
  .page-back-to-top,
  .skip-to,
  .sr-search-terms,
  .article-breadcrumbs {
    display: none !important;
  }

  .md-main,
  .md-content,
  .md-content__inner {
    margin: 0 !important;
    padding: 0 !important;
    max-width: none !important;
  }

  .md-typeset img {
    display: block !important;
    width: auto !important;
    height: auto !important;
    max-width: 100% !important;
    max-height: 12cm;
    object-fit: contain;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .md-typeset img[src*="/img/android/"] {
    max-height: 14cm;
    max-width: 7.5cm;
  }

  .md-typeset h1 {
    break-before: page;
  }

  .md-typeset h1:first-of-type {
    break-before: auto;
  }
}