/* =========================================================
   M-SunRise · al-folio Style
   Light: White #ffffff / Dark: #1c1c1d
   Theme: Purple #b509ac (light) / Blue #2698ba (dark)
   System font stack · Clean academic layout
   ========================================================= */

/* ---------- CSS Variables (Light Mode) ---------- */
:root {
  color-scheme: light;
  --global-bg-color: #ffffff;
  --global-code-bg-color: rgba(181, 9, 172, 0.05);
  --global-text-color: #000000;
  --global-text-color-light: #828282;
  --global-theme-color: #b509ac;
  --global-hover-color: #b509ac;
  --global-hover-text-color: #ffffff;
  --global-footer-bg-color: #1c1c1d;
  --global-footer-text-color: #e8e8e8;
  --global-footer-link-color: #ffffff;
  --global-divider-color: rgba(0, 0, 0, 0.1);
  --global-card-bg-color: #ffffff;
  --global-back-to-top-bg-color: rgba(0, 0, 0, 0.4);
  --global-back-to-top-text-color: #ffffff;
  --global-tip-block: #42b983;
  --global-tip-block-bg: #e2f5ec;
  --global-tip-block-text: #215d42;
  --global-warning-block: #e7c000;
  --global-warning-block-bg: #fff8d8;
  --global-warning-block-text: #6b5900;
  --global-danger-block: #c00;
  --global-danger-block-bg: #ffe0e0;
  --global-danger-block-text: #600;
  --max-width: 930px;
  --nav-height: 57px;
}

/* ---------- Dark Mode ---------- */
html[data-theme="dark"] {
  color-scheme: dark;
  --global-bg-color: #1c1c1d;
  --global-code-bg-color: #2c3237;
  --global-text-color: #e8e8e8;
  --global-text-color-light: #828282;
  --global-theme-color: #2698ba;
  --global-hover-color: #2698ba;
  --global-hover-text-color: #ffffff;
  --global-footer-bg-color: #e8e8e8;
  --global-footer-text-color: #1c1c1d;
  --global-footer-link-color: #000000;
  --global-divider-color: #424246;
  --global-card-bg-color: #212529;
  --global-back-to-top-bg-color: rgba(255, 255, 255, 0.5);
  --global-back-to-top-text-color: #000000;
  --global-tip-block: #42b983;
  --global-tip-block-bg: #215d42;
  --global-tip-block-text: #beffe2;
  --global-warning-block: #e7c000;
  --global-warning-block-bg: #6b5900;
  --global-warning-block-text: #fff2af;
  --global-danger-block: #c00;
  --global-danger-block-bg: #600;
  --global-danger-block-text: #ffb9b9;
}

/* ---------- Theme Toggle Visibility ---------- */
:root #light-toggle-system { display: inline-block; }
:root #light-toggle-dark { display: none; }
:root #light-toggle-light { display: none; }
html[data-theme="dark"] #light-toggle-system { display: none; }
html[data-theme="dark"] #light-toggle-dark { display: inline-block; }
html[data-theme="dark"] #light-toggle-light { display: none; }
html[data-theme-setting="dark"] #light-toggle-system { display: none; }
html[data-theme-setting="dark"] #light-toggle-dark { display: inline-block; }
html[data-theme-setting="dark"] #light-toggle-light { display: none; }
html[data-theme-setting="light"] #light-toggle-system { display: none; }
html[data-theme-setting="light"] #light-toggle-dark { display: none; }
html[data-theme-setting="light"] #light-toggle-light { display: inline-block; }

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  padding-bottom: 70px;
  color: var(--global-text-color);
  background-color: var(--global-bg-color);
  font-family: -apple-system, BlinkMacSystemFont, "Roboto", "Segoe UI", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body.fixed-top-nav { padding-top: var(--nav-height); }
a { color: var(--global-theme-color); text-decoration: none; }
a:hover { color: var(--global-hover-color); text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
p, h1, h2, h3, h4, h5, h6, em, div, li, span, strong { color: var(--global-text-color); }
h1, h2, h3, h4, h5, h6 { scroll-margin-top: calc(var(--nav-height) + 10px); }
hr { border-top: 1px solid var(--global-divider-color); margin: 1.5rem 0; }

/* ---------- Container ---------- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 15px; }
.profile { width: 100%; }
.profile img { width: 100%; border-radius: 0; }
.profile .more-info { margin: 5px 0; font-family: monospace; }
.profile .more-info p { display: inline-block; margin: 0; }
.profile.float-right { margin-left: 1rem; }
.profile.float-left { margin-right: 1rem; }
@media (min-width: 576px) {
  .profile { width: 30%; }
  .profile .address p { display: block; }
}

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  box-shadow: none;
  border-bottom: 1px solid var(--global-divider-color);
  background-color: var(--global-bg-color);
  opacity: 0.95;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}
.navbar .navbar-brand {
  color: var(--global-text-color);
  font-weight: 600;
  font-size: 1.25rem;
}
.navbar .navbar-brand:hover { color: var(--global-theme-color); text-decoration: none; }
.navbar .navbar-toggler {
  display: none;
  padding: 0;
  border: 0;
  background-color: inherit;
  cursor: pointer;
}
.navbar .navbar-toggler .icon-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--global-text-color);
  border-radius: 1px;
  margin-bottom: 4px;
  transition: all 0.2s;
}
.navbar .navbar-toggler .top-bar { transform: rotate(45deg); transform-origin: 10% 10%; }
.navbar .navbar-toggler .middle-bar { opacity: 0; }
.navbar .navbar-toggler .bottom-bar { transform: rotate(-45deg); transform-origin: 10% 90%; }
.navbar .navbar-toggler.collapsed .top-bar { transform: rotate(0); }
.navbar .navbar-toggler.collapsed .middle-bar { opacity: 1; }
.navbar .navbar-toggler.collapsed .bottom-bar { transform: rotate(0); }
.navbar .navbar-collapse-main {
  display: flex;
  align-items: center;
}
.navbar .navbar-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.navbar .navbar-nav .nav-item .nav-link {
  color: var(--global-text-color-light);
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  transition: color 0.2s ease;
  white-space: nowrap;
}
.navbar .navbar-nav .nav-item .nav-link:hover { color: var(--global-hover-color); text-decoration: none; }
.navbar .navbar-nav .nav-item.active > .nav-link {
  color: var(--global-theme-color);
  font-weight: 600;
}
.navbar .nav-item.dropdown { position: relative; }
.navbar .dropdown-toggle::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 4px;
  vertical-align: middle;
  border-top: 4px solid;
  border-right: 4px solid transparent;
  border-left: 4px solid transparent;
}
.navbar .dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  background-color: var(--global-bg-color);
  border: 1px solid var(--global-divider-color);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  z-index: 1050;
  padding: 0.5rem 0;
  margin: 0;
  list-style: none;
}
.navbar .nav-item.dropdown:hover .dropdown-menu,
.navbar .nav-item.dropdown.open .dropdown-menu { display: block; }
.navbar .dropdown-menu .dropdown-item {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--global-text-color);
  font-size: 0.9rem;
  text-decoration: none;
  transition: background-color 0.15s, color 0.15s;
}
.navbar .dropdown-menu .dropdown-item:hover {
  background-color: var(--global-divider-color);
  color: var(--global-theme-color);
  text-decoration: none;
}
@media (max-width: 768px) {
  .navbar .navbar-toggler { display: block; }
  .navbar .navbar-collapse-main {
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background-color: var(--global-bg-color);
    border-bottom: 1px solid var(--global-divider-color);
    flex-direction: column;
    padding: 0.5rem 0;
    display: none;
  }
  .navbar .navbar-collapse-main.show { display: flex; }
  .navbar .navbar-nav {
    flex-direction: column;
    width: 100%;
    gap: 0;
  }
  .navbar .navbar-nav .nav-item { width: 100%; }
  .navbar .navbar-nav .nav-item .nav-link {
    display: block;
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--global-divider-color);
  }
  .navbar .navbar-nav .nav-item:first-child .nav-link { border-top: none; }
}

/* ---------- Light Toggle Button ---------- */
#light-toggle {
  padding: 0;
  border: 0;
  background-color: inherit;
  color: var(--global-text-color);
  cursor: pointer;
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease;
}
#light-toggle:hover { color: var(--global-hover-color); }
@media (min-width: 576px) { #light-toggle { transform: translateY(4px); } }

/* ---------- Section / Header ---------- */
.section { padding: 3rem 0; }
.section p { margin-bottom: 1rem; }
.header-bar {
  border-bottom: 1px solid var(--global-divider-color);
  text-align: center;
  padding-top: 2rem;
  padding-bottom: 3rem;
}
.header-bar h1 { color: var(--global-theme-color); font-size: 3rem; }

/* ---------- Profile Page (Home) ---------- */
.profile-page { padding: 2rem 0; }
.profile-page .profile { float: left; margin-right: 1.5rem; margin-bottom: 1rem; }
.profile-page .profile img { width: 100%; border-radius: 0; }
.profile-page .more-info { margin-top: 0.5rem; }
.profile-page .more-info p { display: block; margin: 0.25rem 0; color: var(--global-text-color); }
.profile-page .address { margin-top: 1rem; }
.profile-page .address p { display: block; margin: 0.25rem 0; color: var(--global-text-color-light); font-size: 0.9rem; }
.profile-page .social { margin-top: 1rem; }
.profile-page .social a { margin-right: 0.75rem; color: var(--global-text-color-light); font-size: 1.25rem; }
.profile-page .social a:hover { color: var(--global-theme-color); text-decoration: none; }
@media (max-width: 575px) {
  .profile-page .profile { float: none; width: 50%; margin: 0 auto 1.5rem; }
}

/* ---------- News Section ---------- */
.news { margin-top: 2rem; }
.news h2 { color: var(--global-theme-color); font-size: 1.5rem; margin-bottom: 1rem; border-bottom: 1px solid var(--global-divider-color); padding-bottom: 0.5rem; }
.news-item { padding: 0.75rem 0; border-bottom: 1px solid var(--global-divider-color); display: flex; gap: 1rem; }
.news-item:last-child { border-bottom: none; }
.news-date { min-width: 80px; color: var(--global-text-color-light); font-size: 0.875rem; font-weight: 500; }
.news-content { flex: 1; }
.news-content p { margin: 0; font-size: 0.95rem; }

/* ---------- Posts Section ---------- */
.posts { margin-top: 2rem; }
.posts h2 { color: var(--global-theme-color); font-size: 1.5rem; margin-bottom: 1rem; border-bottom: 1px solid var(--global-divider-color); padding-bottom: 0.5rem; }
.post-list { margin: 0; padding: 0; list-style: none; }
.post-list li { border-bottom: 1px solid var(--global-divider-color); padding: 1.25rem 0; }
.post-list li:last-child { border-bottom: none; }
.post-list .post-meta { color: var(--global-text-color-light); font-size: 0.875rem; margin-bottom: 0.25rem; }
.post-list .post-title { font-size: 1.1rem; font-weight: 500; }
.post-list .post-title a { color: var(--global-text-color); text-decoration: none; }
.post-list .post-title a:hover { color: var(--global-theme-color); }
.post-list .post-description { margin-top: 0.5rem; font-size: 0.9rem; color: var(--global-text-color-light); }

/* ---------- Publications ---------- */
.publications { margin-top: 2rem; }
.publications h1 { color: var(--global-theme-color); font-size: 2rem; text-align: center; margin: 1em 0; }
.publications h2 { margin-bottom: 1rem; }
.publications h2 span { font-size: 1.5rem; }
.publications ol.bibliography { list-style: none; padding: 0; margin-top: 0; }
.publications ol.bibliography li { margin-bottom: 1.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--global-divider-color); }
.publications ol.bibliography li:last-child { border-bottom: none; }
.publications ol.bibliography li .title { font-weight: 600; font-size: 1.05rem; }
.publications ol.bibliography li .author { color: var(--global-text-color-light); font-size: 0.9rem; margin: 0.25rem 0; }
.publications ol.bibliography li .author a { color: var(--global-theme-color); border-bottom: 1px dashed var(--global-theme-color); }
.publications ol.bibliography li .author a:hover { border-bottom-style: solid; text-decoration: none; }
.publications ol.bibliography li .venue { color: var(--global-text-color-light); font-size: 0.875rem; font-style: italic; }
.publications ol.bibliography li .links { margin-top: 0.5rem; }
.publications ol.bibliography li .links a.btn {
  color: var(--global-text-color);
  border: 1px solid var(--global-text-color);
  padding: 0.25rem 1rem;
  margin-right: 0.5rem;
  font-size: 0.85rem;
  border-radius: 3px;
  display: inline-block;
  transition: all 0.2s ease;
}
.publications ol.bibliography li .links a.btn:hover {
  color: var(--global-theme-color);
  border-color: var(--global-theme-color);
  text-decoration: none;
}

/* ---------- Projects Grid ---------- */
.projects { margin-top: 2rem; }
.projects h2 { color: var(--global-theme-color); font-size: 1.5rem; margin-bottom: 1rem; border-bottom: 1px solid var(--global-divider-color); padding-bottom: 0.5rem; }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.project-card {
  background-color: var(--global-card-bg-color);
  border: 1px solid var(--global-divider-color);
  border-radius: 4px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
a.project-card { cursor: pointer; }
.project-card:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1); }
.project-card img { width: 100%; height: 180px; object-fit: cover; }
.project-card .card-body { padding: 1rem; }
.project-card .card-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.5rem; }
.project-card .card-title a { color: var(--global-text-color); }
.project-card .card-title a:hover { color: var(--global-theme-color); text-decoration: none; }
.project-card .card-text { font-size: 0.9rem; color: var(--global-text-color-light); }
.project-card .card-tags { margin-top: 0.75rem; }
.project-card .card-tags .tag {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  margin-right: 0.25rem;
  margin-bottom: 0.25rem;
  background-color: var(--global-theme-color);
  color: var(--global-hover-text-color);
  border-radius: 3px;
}

/* ---------- CV Page ---------- */
.cv { margin-bottom: 40px; }
.cv .card {
  background-color: var(--global-card-bg-color);
  border: 1px solid var(--global-divider-color);
  margin-bottom: 1.5rem;
}
.cv .card .card-header {
  background-color: var(--global-theme-color);
  color: var(--global-hover-text-color);
  font-weight: 600;
  padding: 0.75rem 1rem;
}
.cv .card .list-group-item {
  background-color: inherit;
  border-color: var(--global-divider-color);
  padding: 1rem;
}
.cv .card .list-group-item .badge {
  color: var(--global-hover-text-color) !important;
  background-color: var(--global-theme-color) !important;
}
.cv-item { display: flex; justify-content: space-between; gap: 1.5rem; padding: 1rem 0; border-bottom: 1px solid var(--global-divider-color); }
.cv-item:last-child { border-bottom: none; }
.cv-item .left { font-weight: 500; }
.cv-item .right { color: var(--global-text-color-light); text-align: right; font-size: 0.9rem; }
@media (max-width: 576px) {
  .cv-item { flex-direction: column; gap: 0.25rem; }
  .cv-item .right { text-align: left; }
}

/* ---------- Apps / Cards ---------- */
.card {
  background-color: var(--global-card-bg-color);
  border: 1px solid var(--global-divider-color);
  border-radius: 4px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08); }
.card .card-body { padding: 1.25rem; }
.card .card-title { color: var(--global-text-color); font-weight: 600; }
.card .card-text { color: var(--global-text-color-light); font-size: 0.9rem; }
.hoverable { transition: transform 0.22s ease, box-shadow 0.22s ease; }
.hoverable:hover { transform: translateY(-4px); box-shadow: 0 10px 22px rgba(0, 0, 0, 0.12), 0 4px 10px rgba(0, 0, 0, 0.1); }

/* ---------- Blockquotes ---------- */
blockquote {
  background: var(--global-bg-color);
  border-left: 5px solid var(--global-theme-color);
  margin: 1.5em 0;
  padding: 1em;
  font-size: 1.1rem;
}
blockquote p { margin-bottom: 0; }
blockquote.block-tip { border-color: var(--global-tip-block); background-color: var(--global-tip-block-bg); }
blockquote.block-tip em, blockquote.block-tip li, blockquote.block-tip p, blockquote.block-tip strong { color: var(--global-tip-block-text); }
blockquote.block-warning { border-color: var(--global-warning-block); background-color: var(--global-warning-block-bg); }
blockquote.block-warning em, blockquote.block-warning li, blockquote.block-warning p, blockquote.block-warning strong { color: var(--global-warning-block-text); }
blockquote.block-danger { border-color: var(--global-danger-block); background-color: var(--global-danger-block-bg); }
blockquote.block-danger em, blockquote.block-danger li, blockquote.block-danger p, blockquote.block-danger strong { color: var(--global-danger-block-text); }

/* ---------- Code ---------- */
pre {
  color: var(--global-theme-color);
  background-color: var(--global-code-bg-color);
  border-radius: 6px;
  padding: 6px 12px;
  overflow-x: auto;
  white-space: pre;
}
code {
  color: var(--global-theme-color);
  background-color: var(--global-code-bg-color);
  border-radius: 3px;
  padding: 2px 4px;
  font-size: 0.9em;
}
:not(pre) > code { font-size: 0.85em; }

/* ---------- Table ---------- */
table:not(.table) td, table:not(.table) th {
  font-size: 1rem;
  padding: 0.5rem 1rem 0.5rem 0;
  border-top: 1px solid var(--global-divider-color);
}
table:not(.table) th { font-weight: 600; }

/* ---------- Pagination ---------- */
.pagination { display: flex; justify-content: center; padding-left: 0; margin: 1.25rem 0 1.5rem; list-style: none; }
.page-link {
  position: relative;
  display: block;
  margin-left: -1px;
  line-height: 1.25;
  color: var(--global-text-color);
  background-color: var(--global-bg-color);
  border: 1px solid var(--global-divider-color);
  padding: 0.75rem 1.15rem;
  transition: all 0.2s ease;
}
.page-link:hover { color: #000; text-decoration: none; background-color: color-mix(in srgb, var(--global-theme-color) 10%, transparent); }
.page-item:first-child .page-link { margin-left: 0; border-top-left-radius: 0.3rem; border-bottom-left-radius: 0.3rem; }
.page-item:last-child .page-link { border-top-right-radius: 0.3rem; border-bottom-right-radius: 0.3rem; }
.page-item.active .page-link { color: #fff; background-color: var(--global-theme-color); border-color: var(--global-theme-color); }
.page-item.disabled .page-link { color: var(--global-text-color-light); pointer-events: none; background-color: var(--global-bg-color); }

/* ---------- Footer ---------- */
footer {
  background-color: var(--global-footer-bg-color);
  color: var(--global-footer-text-color);
  padding: 1.5rem 0;
  margin-top: 3rem;
}
footer .container { text-align: center; }
footer a { color: var(--global-footer-link-color); transition: color 0.2s ease; }
footer a:hover { color: var(--global-theme-color); text-decoration: none; }
footer .footer-text { font-size: 0.85rem; margin-bottom: 0.5rem; }
footer .footer-links { font-size: 0.85rem; }
footer .footer-links a { margin: 0 0.75rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 500;
  text-align: center;
  border: 1px solid var(--global-theme-color);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}
.btn-primary {
  background-color: var(--global-theme-color);
  color: var(--global-hover-text-color);
  border-color: var(--global-theme-color);
}
.btn-primary:hover { opacity: 0.9; color: var(--global-hover-text-color); text-decoration: none; }
.btn-outline {
  background-color: transparent;
  color: var(--global-theme-color);
  border-color: var(--global-theme-color);
}
.btn-outline:hover { background-color: var(--global-theme-color); color: var(--global-hover-text-color); text-decoration: none; }

/* ---------- Social Icons ---------- */
.social { text-align: center; }
.social .contact-icons { font-size: 2.5rem; }
.social .contact-icons a { margin: 0 0.5rem; color: var(--global-text-color-light); }
.social .contact-icons a:hover { color: var(--global-theme-color); text-decoration: none; }
.social .contact-note { font-size: 0.8rem; color: var(--global-text-color-light); }

/* ---------- Scholar Badges ---------- */
.scholar-badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  background-color: var(--global-theme-color);
  color: var(--global-hover-text-color);
  border-radius: 3px;
  margin-right: 0.25rem;
}

/* ---------- Tag List ---------- */
.tag-category-list { border-bottom: 1px solid var(--global-divider-color); text-align: center; padding-top: 1rem; }
.tag-category-list ul { justify-content: center; display: flow-root; list-style: none; padding: 0; }
.tag-category-list ul li { display: inline-block; padding: 0.75rem 0.5rem; color: var(--global-text-color-light); }

/* ---------- Search (Minimal) ---------- */
.search-toggle {
  padding: 0;
  border: 0;
  background-color: inherit;
  color: var(--global-text-color);
  cursor: pointer;
  font-size: 1rem;
  transition: color 0.2s ease;
}
.search-toggle:hover { color: var(--global-hover-color); }

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background-color: var(--global-back-to-top-bg-color);
  color: var(--global-back-to-top-text-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background-color: var(--global-theme-color); }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .container { padding: 0 15px; }
  .header-bar h1 { font-size: 2rem; }
  .projects-grid { grid-template-columns: 1fr; }
}
@media (max-width: 576px) {
  body { font-size: 15px; }
}

/* ---------- Transitions ---------- */
html.transition, html.transition body {
  transition-property: color, background-color, border-color, fill, stroke, box-shadow !important;
  transition-duration: 240ms !important;
  transition-timing-function: ease !important;
  transition-delay: 0s !important;
}
html.transition *, html.transition *::before, html.transition *::after {
  transition-property: background-color, border-color, box-shadow !important;
  transition-duration: 240ms !important;
  transition-timing-function: ease !important;
  transition-delay: 0s !important;
}

/* ---------- Print ---------- */
@media print {
  .navbar, footer, #light-toggle, .back-to-top { display: none !important; }
  body { padding-bottom: 0; }
  a { color: #000; }
}