/* Font declarations */
/* Garamond uses system font fallbacks; no webfont files required. */

/* CSS Custom Properties for Font Stack */
:root {
  --font-sans: Garamond, "Times New Roman", serif;
  --font-sans-fallback: Garamond, "Times New Roman", serif;
}

/* Font weight utilities */
.font-light {
  font-weight: 300;
}

.font-regular {
  font-weight: 400;
}

.font-medium {
  font-weight: 500;
}

.font-bold {
  font-weight: 700;
}

.font-black {
  font-weight: 900;
}

/* Preload critical font weights for performance */
/* Note: Preload links are already added in baseof.html template */


/* Chakra Petch (self-hosted) */
@font-face {
  font-family: 'Chakra Petch';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src:
    local('Chakra Petch Regular'),
    local('ChakraPetch-Regular'),
    url('/fonts/chakra-petch/chakra-petch-v12-latin-regular.woff2') format('woff2');
}

@font-face {
  font-family: 'Chakra Petch';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src:
    local('Chakra Petch Medium'),
    local('ChakraPetch-Medium'),
    url('/fonts/chakra-petch/chakra-petch-v12-latin-500.woff2') format('woff2');
}

@font-face {
  font-family: 'Chakra Petch';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src:
    local('Chakra Petch SemiBold'),
    local('ChakraPetch-SemiBold'),
    url('/fonts/chakra-petch/chakra-petch-v12-latin-600.woff2') format('woff2');
}
:root {
  --bg_h: white;
  --bg: white;
  --bg_s: white;
  --bg_code: #f3f3f2;
  --bg1: #ebdbb2;
  --bg2: #d5c4a1;
  --bg3: #bdae93;
  --bg4: #a89984;
  --fg: #282828;
  --fg_code: #64a24e;
  --fg1: #3c3836;
  --fg2: #504945;
  --fg3: #6b6866;
  --fg4: #676767;
  --fg5: #969696;
  --red: #AD2111;
  --green: #9CC355;
  --yellow: #b57614;
  --blue: #0E9EE4;
  --purple: #8f3f71;
  --aqua: #427b58;
  --orange: #af3a03;
  --gray: #817d79;
  --red-dim: #cc2412;
  --green-dim: #98971a;
  --yellow-dim: #d79921;
  --blue-dim: #458598;
  --purple-dim: #b16286;
  --aqua-dim: #689d6a;
  --orange-dim: #d65d0e;
  --gray-dim: #817d79;
  --hover-bg: rgba(128, 128, 128, 0.12);
  --font-sans: Garamond, "Times New Roman", serif;
  --font-sans-fallback: Garamond, "Times New Roman", serif;
  --font-serif: Garamond, "Times New Roman", serif;
}

/* UI primitives moved to ui.css */
.darkmode {
  --bg_h: #000000;
  --bg: #000000;
  --bg_s: #1a1a1a;
  --bg_code: #1a1a1a;
  --bg1: #2a2a2a;
  --bg2: #3a3a3a;
  --bg3: #4a4a4a;
  --bg4: #5a5a5a;
  --fg: #ffffff;
  --fg_code: #8ec07c;
  --fg1: #f0f0f0;
  --fg2: #e0e0e0;
  --fg3: #d0d0d0;
  --fg4: #c0c0c0;
  --fg5: #b0b0b0;
  --red: #AD2111;
  --green: #9CC355;
  --yellow: #fabd2f;
  --blue: #0E9EE4;
  --purple: #d3869b;
  --aqua: #8ec07c;
  --gray: #817d79;
  --orange: #fe8019;
  --red-dim: #cc2412;
  --green-dim: #98971a;
  --yellow-dim: #d79921;
  --blue-dim: #458588;
  --purple-dim: #b16286;
  --aqua-dim: #689d6a;
  --gray-dim: #a89984;
  --orange-dim: #d65d0e;
  --hover-bg: rgba(128, 128, 128, 0.4);
}

/* Font-face rules moved to fonts.css to keep common.css lean */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  overflow-y: scroll;
  overflow-x: hidden; /* prevent horizontal scrolling globally */
  scrollbar-width: thin;
  scrollbar-color: var(--fg4) var(--bg);
}
body {
  font-family: Garamond, "Times New Roman", serif;
  font-size: 17px;
  line-height: 1.5;
  background-color: var(--bg);
  color: var(--fg);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  overflow-x: hidden; /* ensure only vertical scrolling on body */
}
#main-title {
  font-family:
    Garamond,
    "Times New Roman",
    serif;
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
  text-wrap: balance;
  font-size: 17px;
  color: var(--fg4);
  position: relative;
  overflow: hidden;
  display: inline-block;
}
#main-title .title-main {
  font-style: normal;
  color: var(--fg) !important;
}
#main-title .title-sub {
  font-style: italic;
  color: var(--fg4);
  margin-left: 8px;
}
/* Navbar Logo */
.navbar-logo {
  flex-shrink: 0;
}

#header .navbar-logo a,
#header .navbar-logo a:link,
#header .navbar-logo a:visited,
#header .navbar-logo a:active,
#header .navbar-logo a:hover {
  font-family: 'Chakra Petch' !important;
  font-style: normal !important;
  font-weight: 500 !important;
  font-size: 17px !important;
  line-height: 25px !important;
  letter-spacing: 1.7px !important;
  color: var(--fg4);
  text-decoration: none !important;
  transition: opacity 0.3s ease-in-out;
}

body.darkmode #header .navbar-logo a,
body.darkmode #header .navbar-logo a:link,
body.darkmode #header .navbar-logo a:visited,
body.darkmode #header .navbar-logo a:active,
body.darkmode #header .navbar-logo a:hover {
  color: var(--fg4) !important;  /* Medium grey for dark mode */
}

#header .navbar-logo a:hover {
  opacity: 0.8;
}

/* Hide the homepage scroll-in logo by default (desktop and initial render) */
#header .navbar-logo-home { display: none; }

/* Navigation Group */
.site-mark {
  display: inline-flex;
  align-items: center;
  height: 100%;
  font-family: inherit;
  font-weight: 400;
  font-size: 2rem;
  letter-spacing: 0.02em;
  color: var(--fg1);
  margin-left: 0.6rem;
  text-decoration: none;
}

.site-mark:link,
.site-mark:visited,
.site-mark:hover,
.site-mark:active {
  color: var(--fg1);
  text-decoration: none;
}

.nav-group {
  display: flex;
  align-items: center;
  gap: 0;
  margin-left: auto;
}

.resume-header {
  margin-bottom: 1.5rem;
}

.resume-name {
  margin: 0 0 0.25rem;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.resume-role {
  margin: 0 0 0.35rem;
  font-family: var(--font-sans);
  color: var(--fg2);
}

.resume-contact {
  margin: 0;
  font-size: 0.95rem;
  color: var(--fg2);
}

.resume-section {
  margin-top: 1.75rem;
}

.resume-item {
  margin-top: 1rem;
  display: grid;
  gap: 0;
}

.resume-item p {
  margin: 0;
}

.resume-item-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 0 1rem;
  margin-bottom: 0;
}

/* Container for the education title and date */
.resume-item-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 2px; /* Controls the tight gap to the details below */ 
}

/* Container for the specific honors/research lines */
.resume-edu-details {
  display: flex;
  flex-direction: column;
  padding-left: 15px; /* Creates a clean indent without the 'list' bulk */ 
  border-left: 1px solid var(--fg4); /* Optional: adds a subtle vertical line for style */ 
  margin-top: 2px;
}

.edu-detail {
  font-size: 0.95rem;
  color: var(--fg3);
  line-height: 1.4;
  position: relative;
}

/* Optional: Add custom square bullets manually for better control */
.edu-detail::before {
  content: "▪";
  position: absolute;
  left: -15px;
  color: var(--fg4);
  font-size: 0.8rem;
}

.resume-subgroup {
  display: grid;
  gap: 0;
  margin-top: 0;
}

.resume-subline {
  margin: 0;
  font-weight: 400;
  font-size: 0.98rem;
  color: var(--fg2);
  line-height: 1.05;
}

.resume-item-header span {
  color: var(--fg4);
  font-size: 0.95rem;
  white-space: nowrap;
}

.resume ul {
  list-style: disc;
  margin-left: 1.1rem;
  padding-left: 1.1rem;
}

.resume ul li {
  display: list-item;
  align-items: normal;
  justify-content: normal;
  margin-bottom: 0.4rem;
}

.resume-skills {
  list-style: none;
  margin-left: 0;
  padding-left: 0;
}

.resume-skills li {
  margin-bottom: 0.55rem;
}

@media (max-width: 600px) {
  .resume-item-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .resume-item-header span {
    white-space: normal;
  }
}

/* Top Navigation */
.top-nav {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.top-nav {
  font-family: var(--font-sans);
}

.top-nav a {
  font-family: var(--font-sans) !important;
  font-weight: 400;
  font-style: normal;
  color: var(--fg1) !important;
  text-decoration: none;
  font-size: 17px;
  letter-spacing: -0.01em;
  transition: opacity 0.3s ease-in-out;
  display: flex;
  align-items: center;
  height: 100%;
  opacity: 1;
}

.top-nav a:hover {
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--fg) 20%, transparent);
  text-underline-offset: 2px;
}

.dark-mode-toggle {
  color: var(--fg);
  border: none;
  cursor: pointer;
  background-color: var(--bg);
  padding: 0.5rem;
  border-radius: 50%;
  transition: background-color 0.3s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 2.5rem;
  width: 2.5rem;
  flex-shrink: 0;
  margin-left: 1.5rem;
}
.dark-mode-toggle:hover {
  color: var(--fg1);
  background-color: var(--hover-bg);
}
/* Hamburger (mobile menu toggle) */
.hamburger {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 8px;
  margin-left: 0.5rem;
  -webkit-tap-highlight-color: transparent;
}
.hamburger span {
  position: absolute;
  left: 9px;
  right: 9px;
  height: 2px;
  background: var(--fg3);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease, top 0.25s ease, bottom 0.25s ease;
}
.hamburger span:nth-child(1) { top: 12px; }
.hamburger span:nth-child(2) { top: 19px; }
.hamburger span:nth-child(3) { bottom: 12px; }

.hamburger.is-active span:nth-child(1) {
  top: 19px;
  transform: rotate(45deg);
}
.hamburger.is-active span:nth-child(2) {
  opacity: 0;
}
.hamburger.is-active span:nth-child(3) {
  bottom: auto;
  top: 19px;
  transform: rotate(-45deg);
}

/* Mobile full-screen overlay menu */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mobile-menu-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-menu-nav {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  text-align: center;
}
.mobile-menu-nav a {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--fg) !important;
  text-decoration: none;
}

/* Keep header/hamburger above overlay for close interaction */
#header .site-header, .hamburger { z-index: 1001; }

/* Prevent background scroll when menu is open */
body.menu-open {
  overflow: hidden;
}
@media screen and (max-width: 768px) {
  #header .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1002; /* stay above overlay (1000) */
    background: var(--bg);
    padding: 0.75rem 1rem;
    height: 50px; /* Slightly smaller but still fixed on mobile */
  }
  
  .navbar-logo a {
    font-size: 17px !important;
    line-height: 23px !important;
  }
  
  .top-nav {
    gap: 1.5rem;
  }
  
  .dark-mode-toggle {
    height: 2rem;
    width: 2rem;
    margin-left: 1rem;
  }
}
body:not(.darkmode) #sun {
  display: none;
}
body.darkmode #moon {
  display: none;
}
a {
  text-decoration: none;
  transition:
    color 0.3s ease-in-out,
    opacity 0.3s ease-in-out;
}
a:link {
  color: var(--fg4);
}
a:hover,
a:visited {
  color: var(--fg4);
  opacity: 1;
}
::selection {
  background-color: rgba(0, 0, 0, 0.12);
}
.darkmode ::selection {
  background-color: rgba(240, 240, 240, 0.5);
  color: var(--fg);
}
time {
  color: var(--fg4);
  min-width: 5rem;
}
hr {
  background-color: var(--fg4);
  margin-top: 1rem;
  margin-bottom: 1rem;
  border: 0;
  height: 1px;
}
#wrapper {
  background-color: var(--bg);
  display: flex;
  flex-direction: column;
  font-family: Garamond, "Times New Roman", serif;
  min-height: 100vh;
  overflow-wrap: break-word;
  padding: 0 0.5rem;
}
@media screen and (max-width: 768px) {
  /* Remove wrapper padding for Tinker page since it has its own padding system */
  #wrapper:not(:has(.tinker-hero-section)) {
    padding-left: 0.33rem;
    padding-right: 0.33rem;
  }
}
.paginator {
  align-items: center;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  margin-top: 3.5rem;
  position: relative;
}

/* Center the back-to-top link */
.paginator #back-to-top {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
::-webkit-scrollbar {
  background-color: var(--bg);
  height: 8px;
  width: 8px;
}
::-webkit-scrollbar-thumb {
  background-color: var(--fg4);
}
::-webkit-scrollbar-thumb:hover {
  background-color: var(--fg1);
}
#header {
  align-items: center;
  display: flex;
  flex-direction: column;
  background-color: var(--bg);
  transition: transform 0.3s ease;
  box-sizing: border-box;
}
#header .site-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-sizing: border-box;
  position: relative;
  height: 54px; /* Fixed height for consistency */
  padding: 0 1rem;
}

@media screen and (min-width: 769px) {
  /* Reduce header inner padding on desktop where wrapper already has 1rem */
  #header .site-header {
    padding-left: 0.33rem;
    padding-right: 0.33rem;
  }
}

/* Ensure sticky mobile header overrides generic relative positioning */
@media screen and (max-width: 768px) {
  #header .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1002;
    background: var(--bg);
  }

  /* Top-left logo only used on homepage and only on mobile */
  #header .navbar-logo-home {
    display: flex;               /* hidden on desktop via default rule above */
    position: absolute;
    left: 1rem;                  /* match header's left padding on mobile */
    top: 0;
    height: 100%;
    display: flex;
    align-items: center;
    padding-left: 0;
    padding-right: 0;
    box-sizing: border-box;
    opacity: 0;
    pointer-events: none;
    transition: none;            /* no fade on initial page load/navigation */
  }
  #header .navbar-logo-home.is-visible {
    opacity: 1;
    pointer-events: auto;
  }
  /* Enable fade only after user starts scrolling */
  #header .navbar-logo-home.animate {
    transition: opacity 180ms ease-in-out;
  }
}

/* Offset content so it doesn't hide under the fixed header on mobile */
@media screen and (max-width: 768px) {
  #wrapper { padding-top: 50px; }
}

/* Navbar spacer for homepage */
.navbar-spacer {
  flex-shrink: 0;
  /* Invisible spacer to maintain layout */
}
#header .site-header > h1 {
  text-align: center;
  margin: 0;
  padding: 0;
}
@media screen and (min-width: 768px) {
  #header .site-header > h1 {
    font-size: 2.8rem;
  }
}
#header .post-header {
  width: 100%;
  background-color: var(--bg);
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
#header .post-header .post-title-sticky {
  font-family:
    Garamond,
    "Times New Roman",
    serif;
  font-weight: 500;
  font-size: 24px;
  color: var(--fg);
  margin: 0;
  text-align: center;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#header > nav {
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  flex-wrap: wrap;
  max-width: 768px;
  margin-top: 10px;
  width: 100%;
}
#header > nav > span > a {
  font-size: 1rem;
  color: var(--fg3);
  text-decoration: none;
  display: inline-block;
  position: relative;
  transition:
    color 0.3s ease-in-out,
    opacity 0.3s ease-in-out;
}
#header > nav > span > a:after {
  background-color: var(--fg3);
  content: "";
  position: absolute;
  width: 100%;
  transform: scaleX(0);
  height: 1px;
  bottom: 0;
  left: 0;
  transform-origin: bottom right;
  transition:
    transform 0.25s ease-out,
    opacity 0.3s ease-in-out;
  opacity: 1;
}
#header > nav > span > a:hover {
  color: var(--fg);
  opacity: 1;
}
#header > nav > span > a:hover:after {
  transform: scaleX(1);
  transform-origin: bottom left;
  opacity: 0.5;
}
/* Removed general header link color - now handled by specific selectors */
main {
  margin: 0;
  flex: 1;
  padding-left: 1rem;
  padding-right: 1rem;
}
#main {
  align-self: center;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  width: 100%;
  margin: auto;
  max-width: 680px;
  padding: 1rem;
  animation: fadeIn 0.6s ease-in-out;
}
@media screen and (max-width: 768px) {
  #main {
    width: 100%;
  }
}
#footer {
  font-family: var(--font-sans);
  font-weight: 400;
  font-style: normal;
  color: var(--fg4);
  align-items: center;
  display: flex;
  font-size: 0.9rem;
  letter-spacing: -0.01em;
  flex-direction: column;
  margin-top: 5rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
}

/* Ensure all footer text uses Garamond */
#footer * {
  font-family: inherit !important;
}
#footer > .footnote {
  text-align: center;
}
#footer > div > span > a {
  color: var(--fg4);
  text-decoration: none;
  position: relative;
  transition:
    color 0.3s ease-in-out,
    opacity 0.3s ease-in-out;
}
#footer > div > span > a:after {
  background-color: var(--fg4);
  content: "";
  position: absolute;
  width: 100%;
  transform: scaleX(0);
  height: 0.5px;
  bottom: 0;
  left: 0;
  transform-origin: bottom right;
  transition:
    transform 0.2s ease-out,
    opacity 0.3s ease-in-out;
  opacity: 1;
}
#footer > div > span > a:hover {
  color: var(--fg3);
  opacity: 1;
}
#footer > div > span > a:hover:after {
  transform: scaleX(1);
  transform-origin: bottom left;
  opacity: 0.5;
}

/* Footer layout */
#footer > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
}

#footer > div > span {
  padding: 0;
}

/* Responsive styles for narrow screens */
@media (max-width: 640px) {
  /* Hide navbar on very small screens to avoid crowding */
  .top-nav {
    display: none;
  }
  .hamburger {
    display: inline-block;
  }
  /* Slightly reduce space on the right of the hamburger */
  #header .site-header {
    padding-right: 0.6rem;
  }

  /* Keep default left padding (1rem) already set above; no override here */
  
  /* Adjust navbar logo on very small screens */
  .navbar-logo a {
    font-size: 15px !important;
    line-height: 21px !important;
    letter-spacing: 1.5px !important;
  }
  
  .top-nav {
    gap: 1.5rem;
  }
  
  .top-nav a {
    font-size: 14px;
  }
  
  #footer {
    align-items: flex-start;
    padding-left: 1rem;
    padding-right: 1rem;
    padding-bottom: 2rem;
  }
  
  #footer > div {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    width: 100%;
    gap: 1.25rem;
  }

  #footer > div > span {
    width: 100%;
    padding: 0;
    font-size: 1rem;
  }

  /* Hide all footer separators on mobile */
  #footer > div > .footer-separator {
    display: none;
  }
}

#sharingbuttons {
  align-items: center;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  margin-top: 1rem;
  flex-wrap: wrap;
}
.icon svg {
  fill: var(--fg);
  margin-right: 0.3em;
  margin-left: 0.3em;
}
.taxonomy-svg {
  padding: 0;
  top: 0.125em;
  position: relative;
}
.row {
  margin-left: 2rem;
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* funky TML logo */

.logo-container {
  max-width: var(--container-4xl);
  margin-inline: auto;
  padding-block: 1rem 1.4rem;
  text-align: center;
  animation: fadeIn 0.6s ease-in-out;
}

.home-title {
  margin: 0 0 1.333rem;
  font-family: inherit;
  font-weight: 400;
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  line-height: 1.5;
  color: inherit;
  text-align: left;
}

.home-title a {
  color: inherit;
  text-decoration: none;
}

.logo {
  position: relative;
  overflow: hidden;
  background: white;
  color: black;
  border: solid 1px white;
  backface-visibility: hidden;
  animation: float 7s ease-in-out infinite;
  display: inline-block;
  font-size: clamp(3em, 8vw, 3.4em);
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.3;
  text-wrap: stable;
  font-family: 'Chakra Petch', sans-serif;
  font-weight: 400;
  color: inherit !important;
  text-decoration: none !important;
}

/* Homepage announcement under the main title */
.home-announcement {
  margin-top: 1.2rem;
  display: flex; /* block-level so it sits below the title */
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  position: relative;
}
.home-announcement .pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.18rem 0.4rem;
  font-family: var(--font-sans);
  font-weight: 450;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: color-mix(in srgb, var(--fg) 65%, transparent);
  background: linear-gradient(180deg, #FFFFFF 0%, #F3F3F3 98.08%);
  border: 1px solid rgba(0, 0, 0, 0.07);
  border-radius: 100px;
}
.home-announcement .announcement-text {
  font-family: var(--font-sans);
  font-size: 17px;
  color: var(--fg2);
  position: static;
  display: inline;
  text-decoration: none;
}

/* Match ToC: simple underline on hover, no animation */
.home-announcement:hover .announcement-text {
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--fg2) 20%, transparent);
  text-underline-offset: 2px;
}


.contact-list {
  list-style: none;
  margin: 2rem auto 0;
  padding: 0;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-list li {
  border: 1px solid color-mix(in srgb, var(--fg4) 25%, transparent);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  background: color-mix(in srgb, var(--bg_s) 90%, var(--fg) 2%);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.contact-label {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg4);
}

.contact-list a {
  text-decoration: none;
  color: var(--fg);
  font-weight: 500;
}

.contact-list a:hover {
  text-decoration: underline;
}

@media (max-width: 600px) {
  .home-announcement .announcement-text {
    font-size: 1.05rem;
  }
}

.logo:AFTER {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 150%;
  aspect-ratio: 1;
  /* background: linear-gradient(90deg,rgb(43, 54, 255),rgb(176, 119, 236)); */
  background: linear-gradient(90deg, #565151, #d2caca);
  mix-blend-mode: screen;
  animation: gradRotate 8s linear infinite;
  pointer-events: none;
  max-width: 100vw;
  overflow: clip; /* avoid contributing to horizontal scroll while preserving size */
  transform-origin: center;
  transform: translate(-50%, -50%);
}

.darkmode .logo {
  background: black;
  color: white;
  border-color: black;
}

.darkmode .logo:AFTER {
  background: linear-gradient(90deg, #b5b9ff, #ffd6e0, #c1f7d3, #ffe5b4, #f7c8ff, #b5b9ff, #ffd6e0);
  mix-blend-mode: multiply;
}

@media(prefers-reduced-motion: reduce) {
  .logo {
      animation: none;
  }
}

@keyframes float {
  0% {
    transform: translateY(5px);
  }
  50% {
    transform: translateY(-5px);
  }
  100% {
    transform: translateY(5px);
  }
}

@keyframes gradRotate {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* Homepage and list page styles */
/* Ensure outer container accounts for horizontal padding without reducing 660px text width */
#main.index.content {
  max-width: calc(660px + 3.2rem); /* 660 + 2 * 1.6rem */
}

/* Non-blog single pages (e.g., privacy, terms) */
#main.content > article.content {
  max-width: 660px;
  margin-left: auto;
  margin-right: auto;
}

/* Blog index page container width includes horizontal padding */
#main.index.list {
  max-width: calc(660px + 3.2rem); /* 660 + 2 * 1.6rem */
}

/* Constrain inner content to 660px and center it on list pages */
#main.index.list .blog-page-title,
#main.index.list .content,
#main.index.list .post-group {
  max-width: 660px;
  margin-left: 0;
  margin-right: 0;
}

#main.index .post-group ul {
  list-style-type: none;
}

/* Remove bullet points from homepage content lists (e.g., job listings) */
#main.index.content ul {
  list-style-type: none;
  margin-left: 0;
  padding-left: 0;
}

/* Style job listings with right-aligned locations */
#main.index.content ul li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.75rem;
}

/* Style job links - no underline by default, default text color */
#main.index.content ul li a {
  color: var(--fg);
  text-decoration: none;
  position: relative;
  transition: color 0.3s ease-in-out;
}

/* Animated underline effect on hover */
#main.index.content ul li a:after {
  background-color: var(--fg);
  content: "";
  position: absolute;
  width: 100%;
  transform: scaleX(0);
  height: 0.5px;
  bottom: 0;
  margin-bottom: 2px;
  left: 0;
  transform-origin: bottom right;
  transition: transform 0.2s ease-out;
}

#main.index.content ul li a:hover:after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

/* Style job location text as secondary */
#main.index.content .job-location {
  color: var(--fg4);
  margin-left: 2rem;
}

/* Responsive job listings for narrow screens */
@media (max-width: 600px) {
  #main.index.content ul li {
    flex-direction: column;
    align-items: flex-start;
  }
  
  #main.index.content .job-location {
    margin-left: 0;
  }
  
  /* Left-align section titles on mobile */
  #main.index.content h2[style*="text-align: center"] {
    text-align: left !important;
  }
}

#main.index.list .post-group ul {
  padding-top: 2rem;
}

#main.index .post-group ul li {
  margin-bottom: 0;
}

.home-headshot {
  margin: 0 auto 1.5rem;
  display: flex;
  justify-content: center;
}

.home-headshot img {
  max-width: 360px;
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

/* Clickable post item styling */
#main.index .post-group .post-item-link {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  align-items: baseline;
  line-height: 1.4;
  padding: 1.2rem 1.5rem;
  margin: 0 -1.5rem;
  margin-bottom: 0.5rem;
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}


#main.index .post-group .post-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
}

#main.index .post-group .post-info .post-subtitle {
  font-size: 0.95em;
  color: var(--fg1);
  line-height: 1.4;
  transition: opacity 0.2s ease;
}

#main.index .post-group .post-info .author {
  display: block;
  font-size: 16px;
  color: var(--fg4);
  font-family: var(--font-sans);
  padding-top: 10px;
  transition: opacity 0.2s ease;
}

#main.index .post-group .post-item-link .desktop-time {
  text-align: left;
  font-size: 15px;
  font-family: var(--font-sans);
  color: var(--fg4);
  white-space: nowrap;
  transition: opacity 0.2s ease;
}

@media screen and (min-width: 768px) {
  #main.index .post-group ul {
    margin-left: 0;
    padding-left: 0;
  }
}

/* Hide mobile time on desktop */
.mobile-time {
  display: none;
}

/* Author-date combined on one line */
.author-date {
  display: block;
  font-size: 16px;
  color: var(--fg4);
  font-family: var(--font-sans);
}

.author-date .separator {
  opacity: 0.7;
}

/* Hide date on desktop (shown on left side), show on mobile */
.mobile-date-separator {
  display: none;
}

@media screen and (max-width: 767px) {
  #main.index .post-group .post-item-link {
    display: block;
    padding: 1.6rem;
    margin: 0 -1.6rem;
  }
  
  /* Hide desktop time on mobile */
  .desktop-time {
    display: none;
  }
  
  /* Show date after author on mobile */
  .mobile-date-separator {
    display: inline;
  }
  
  /* Show mobile time */
  .mobile-time {
    display: inline;
    font-size: 16px;
    color: var(--fg4);
    font-family: var(--font-sans);
    transition: opacity 0.2s ease;
  }
  
  #main.index .post-group .post-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }
}

/* Match mobile horizontal padding to blog posts (left/right = 1.6rem) */
@media (max-width: 1170px) {
  #main.index,
  #main.content {
    padding-left: 1.3rem;
    padding-right: 1.3rem;
  }
}

/* Post title styling */
#main.index .post-group .post-title {
  color: var(--fg);
  font-size: 17px;
  font-weight: bold;
  position: relative;
  display: inline-block;
  transition: opacity 0.2s ease;
}

/* Hover styles: make text darker and underline the title */
#main.index .post-group .post-item-link:hover .post-info .post-title {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--fg2) 20%, transparent);
  text-underline-offset: 2px;
}

#main.index .post-group .post-item-link:hover .post-info .post-subtitle {
  color: var(--fg);
}

#main.index .post-group .post-item-link:hover .author-date,
#main.index .post-group .post-item-link:hover time,
#main.index .post-group .post-item-link:hover .desktop-time,
#main.index .post-group .post-item-link:hover .mobile-time {
  color: var(--fg3);
}

/* Blog page title styling */
.blog-page-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  text-align: left;
  margin: 0;
  margin-bottom: 0.5rem;
  padding-top: 0.5rem;
  line-height: 1.1;
}

/* Blog page description - only on blog listing page */
main.list .content {
  font-style: italic;
}

/* Inline SVG chart styles */
.chart-line,
.chart-line-2pane {
  margin: 1rem 0;
}
.chart-line .chart-title,
.chart-line-2pane .chart-title {
  font-family: Garamond, "Times New Roman", serif;
  font-weight: 500;
  font-size: 24px;
  dominant-baseline: hanging;
  fill: var(--fg);
}
.chart-line text,
.chart-line-2pane text {
  font-family: var(--font-sans);
  fill: var(--fg2);
  font-size: 14px;
}
.chart-line .axis-label,
.chart-line-2pane .axis-label {
  font-family: Garamond, "Times New Roman", serif;
  font-size: 0.9rem;
  fill: var(--fg1);
}
.chart-line .axis-tick,
.chart-line-2pane .axis-tick { fill: var(--fg2); font-size: 0.8rem; }
.chart-line .gridline,
.chart-line-2pane .gridline {
  stroke: color-mix(in srgb, var(--fg4) 20%, var(--bg) 80%);
  stroke-width: 1;
}
.chart-line .tick,
.chart-line-2pane .tick { stroke: var(--fg4); }
.chart-line .axis-line,
.chart-line-2pane .axis-line { stroke: var(--fg4); stroke-width: 1; }
.chart-line .line, .chart-line-2pane .line {
  stroke: var(--series-color, var(--blue));
  stroke-width: var(--line-width, 1.7);
  fill: none;
}

/* Ensure both single- and two-pane figures share the same baseline styles */
figure.chart-line .line,
figure.chart-line-2pane .line {
  fill: none;
  stroke-width: 2px;
}
.chart-line .point,
.chart-line-2pane .point {
  fill: var(--series-color, var(--blue));
}
.chart-line .refline,
.chart-line-2pane .refline {
  stroke: var(--red);
  stroke-dasharray: 2 2;
  stroke-width: 2;
}
.chart-line .refline-label,
.chart-line-2pane .refline-label {
  font-family: Garamond, "Times New Roman", serif;
  fill: var(--fg2);
  font-size: 0.9rem;
}
.chart-line .legend-label,
.chart-line-2pane .legend-label { fill: var(--fg1); font-size: 14px; }
.chart-line .legend-swatch,
.chart-line-2pane .legend-swatch { fill: var(--series-color, var(--blue)); }
.chart-line .legend-bg,
.chart-line-2pane .legend-bg {
  fill: color-mix(in srgb, var(--bg) 92%, var(--fg4) 8%);
  stroke: color-mix(in srgb, var(--fg4) 20%, var(--bg) 80%);
}
.chart-line .series-color-box,
.chart-line-2pane .series-color-box {
  fill: var(--series-color, var(--blue));
  stroke: color-mix(in srgb, var(--fg4) 20%, var(--bg) 80%);
  stroke-width: 0.5;
}
.chart-line .series-label,
.chart-line-2pane .series-label {
  font-family: Garamond, "Times New Roman", serif;
  fill: var(--fg1);
  font-size: 0.9rem;
  paint-order: stroke;
  stroke: var(--bg);
  stroke-width: 3px;
}
.chart-line .cursor-line,
.chart-line-2pane .cursor-line {
  stroke: var(--fg3);
  stroke-width: 1.2;
  stroke-opacity: 0.28;
  opacity: 0;
  transition: opacity 220ms ease-in-out;
}
.chart-line .tooltip .tooltip-bg,
.chart-line-2pane .tooltip .tooltip-bg {
  fill: var(--bg_s);
  stroke: color-mix(in srgb, var(--fg4) 30%, var(--bg) 70%);
}
.chart-line .tooltip .tooltip-text,
.chart-line-2pane .tooltip .tooltip-text {
  fill: var(--fg1);
  font-size: 13px;
}

.content figure svg,
figure svg {
  display: block;
  margin-left: auto;
  margin-right: auto;
  max-width: 100%;
  height: auto;
}

figure.half-width {
  margin-left: auto;
  margin-right: auto;
  max-width: 620px;
}

figure.half-width.matmul,
figure.half-width + figcaption,
figure > figcaption {
  text-align: center;
}

.ascii-art {
  font-family: monospace !important;
  font-size: clamp(0.0rem, 1.2vw, 0.8rem);
  line-height: 1.2;
  text-align: center;
  overflow-x: clip !important;
  /* Override asymmetric padding from .content pre (which has extra right padding for copy button) */
  padding: 1rem !important;
}
/* General content typography styles */
.content {
  padding-top: 0.5rem;
}

.content .MathJax {
  font-size: 100% !important;
  /* Do not clip vertical glyphs (radicals, braces). Allow natural height. */
  overflow: visible;
}

.content .katex {
  font-size: 100% !important;
  /* Allow KaTeX to extend above/below baseline (needed for \sqrt, \underbrace). */
  overflow: visible;
  padding-bottom: 1.0rem;
}

/* If extremely wide display equations overflow horizontally, allow scrolling on the
   inner KaTeX block while keeping vertical overflow visible. */
.content .katex-display > .katex {
  overflow-x: auto;
  overflow-y: visible;
}

.content :last-child {
  margin-bottom: 0;
}

.content a {
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--fg4) 30%, transparent);
  transition:
    color 0.3s ease-in-out,
    text-decoration-color 0.3s ease-in-out;
}

.content a:hover {
  color: var(--fg2);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--fg2) 30%, transparent);
}

.content a.footnote-ref {
  text-decoration: none;
}

.content a.footnote-ref::before {
  content: "[";
}

.content a.footnote-ref::after {
  content: "]";
}

.content blockquote {
  background-color: var(--bg_s);
  border-left: none;
  font-style: normal;
  padding: 0 1.25rem;
  margin: 1.2rem 0 1.2rem 1rem;
}

.content blockquote blockquote {
  background-color: var(--bg1);
}

/* Epigraph style (Tufte-inspired) */
.content blockquote.epigraph {
  background: transparent;
  border: none;
  color: var(--fg2);
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.5;
  margin: 1.2rem 0 1.2rem 1rem;
  max-width: 100%;
  padding: 0 1.25rem;
  position: relative;
}
.content blockquote.epigraph::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2rem;
  bottom: 0.2rem;
  width: 3px;
  background-color: var(--fg5);
  opacity: 0.6;
}

.content pre {
  background-color: var(--bg_code) !important;
  border-radius: 0.2rem;
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
  position: relative;
  overflow-x: auto;
  padding: 1rem 2rem 1rem 1rem; /* default top padding for blocks without language */
  -webkit-text-size-adjust: none; /* prevent iOS font boosting */
  text-size-adjust: none;
  font-variant-ligatures: none;
  /* letter-spacing: 0; keep tracking tight */
  font-weight: 400;
}

/* Increase top padding only when language label is present */
.content pre:has(code[data-lang]) {
  padding-top: 2rem;
}

/* Copy button styles */
.code-block-wrapper {
  position: relative;
}
button.copy-button {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  left: auto;
  background-color: transparent;
  color: var(--fg4);
  border: none;
  border-radius: 0.3rem;
  padding: 0.4rem;
  cursor: pointer;
  opacity: 0;
  transition:
    opacity 0.2s ease-in-out,
    background-color 0.15s ease-in-out,
    color 0.15s ease-in-out;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.code-block-wrapper:hover .copy-button,
.content pre:hover button.copy-button {
  opacity: 1;
}

button.copy-button:hover {
  opacity: 1 !important;
  background-color: color-mix(in srgb, var(--fg4) 8%, transparent);
  color: var(--fg2);
}

button.copy-button svg {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
}

.content pre code {
  padding: 0;
  color: var(--fg3); /* slightly darker to match prod */
  font-family: inherit; /* inherit monospace from pre */
  padding: 0 0.8rem 0 0.2rem;
  font-size: 13px;
  /* Preserve original lines; allow horizontal scroll on container */
  white-space: pre;
  word-break: normal;
  overflow-wrap: normal;
  display: block;
  line-height: 1.4;
  -webkit-text-size-adjust: none; /* ensure nested spans don't inflate */
  text-size-adjust: none;
  letter-spacing: 0;
  font-weight: 400;
}

/* Improve text selection contrast inside code blocks */
.content pre::selection,
.content pre code::selection,
.content pre *::selection {
  background-color: #d0d0d0;
}
.content pre::-moz-selection,
.content pre code::-moz-selection,
.content pre *::-moz-selection {
  background-color: #d0d0d0;
}

.darkmode .content pre::selection,
.darkmode .content pre code::selection,
.darkmode .content pre *::selection {
  background-color: rgba(255, 255, 255, 0.5);
  color: var(--bg);
}
.darkmode .content pre::-moz-selection,
.darkmode .content pre code::-moz-selection,
.darkmode .content pre *::-moz-selection {
  background-color: rgba(255, 255, 255, 0.5);
  color: var(--bg);
}

/* Language label chip shown at top-left of code blocks */
.content pre code[data-lang]::before {
  content: attr(data-lang);
  position: absolute;
  top: 0.45rem;
  left: 0.75rem;
  z-index: 5;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--fg4);
  padding: 0;
  text-transform: lowercase;
  pointer-events: none;
}

.content code {
  padding: 0;
  color: var(--red);
  font-family: SFMono-Regular, 'SF Mono', ui-monospace, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
  padding: 0 0.2rem 0 0.2rem;
  font-size: 0.9em;
  text-wrap: wrap;
  display: inline;
}

.content mark {
  background-color: var(--bg_s);
  color: var(--fg1);
  border-radius: 0.2rem;
  padding: 0 0.2rem;
}

.content kbd {
  background-color: var(--bg_s);
  color: var(--fg1);
  border-radius: 0.2rem;
}

.content table {
  display: block;
  overflow-x: auto;
  margin: auto;
  background-color: var(--bg);
  border-collapse: collapse;
  border: none;
}

.content table td,
.content table th {
  border: var(--fg4) 1px solid;
  padding: 0.75rem 0.75rem;
}
.content table td {
  vertical-align: top;
  font-size: 1.0rem;
}

.content table th {
  background-color: var(--bg_s);
  font-weight: bold;
}

.content ul {
  list-style: square;
  margin-left: 1.5rem;
  margin-top: 1rem;
  margin-bottom: 1.2rem;
}

.content ul > li {
  margin-bottom: 0.2rem;
}

.content ol {
  list-style: decimal;
  margin-left: 2rem;
  margin-top: 1rem;
  margin-bottom: 1.2rem;
}

.content ol > li {
  margin-bottom: 0.2rem;
}

/* Nested ordered lists use lowercase letters */
.content ol ol {
  list-style-type: lower-alpha;
}

.content dt {
  font-weight: bold;
}

.content dd {
  margin-left: 1rem;
}

.content blockquote,
.content div,
.content h1,
.content h2,
.content h3,
.content h4,
.content h5,
.content h6,
.content p,
.content pre,
.content table,
.content dl,
.content video {
  margin-top: 0rem;
  margin-bottom: 1.333rem;
}

/* Only for blog title */
.content h1 {
  font-size: 1.75rem;
  margin: 0 0 0.6em;
  margin-top: 1.25em;
  font-weight: 700;
  line-height: 1.4;
}

/* Legal and other non-blog pages: match blog-post h1 styling */
#main.content article.content h1 {
  font-family: Garamond, "Times New Roman", serif;
  font-weight: 600;
  font-size: 30px;
  line-height: 1.4;
}

/* Center-align the main page title on legal pages */
#main.content article.content h1:first-child {
  text-align: center;
  max-width: 480px;
  margin: 1.5rem auto 0;
}

/* Tighten spacing between legal page title and the Last updated line */
#main.content article.content h1 + h3 {
  margin-top: 0.4rem;   /* close the gap to the title */
  margin-bottom: 1.2rem;/* add breathing room below */
  text-align: center;   /* ensure centered regardless of inline styles */
}

/* Used for blog body content */
.content h2 {
  font-size: 1.4rem;
  margin: 1.6em 0 0.6em;
  margin-top: 1.25em;
  font-weight: 600;
  line-height: 1.4;
}

.content h3 {
  font-size: 1.4rem;
  margin: 1.4em 0 0.5em 0;
  font-weight: normal;
  font-style: italic;
  line-height: 1.4;
}

/* Use h4 and below sparingly */
.content h4 {
  font-size: 0.97rem;
  margin: 0;
  font-weight: normal;
  font-style: italic;
}

.content h5 {
  font-size: 0.76rem;
  margin: 1.4em 0 0.7em 0;
  font-weight: normal;
  font-style: italic;
}

.content h6 {
  font-size: 0.6rem;
  margin: 1.4em 0 0.7em 0;
  font-weight: normal;
  font-style: italic;
}

/* Ensure spacing after figures before the next heading (avoid margin collapse) */
.content figure + h1,
.content figure + h2,
.content figure + h3,
.content figure + h4,
.content figure + h5,
.content figure + h6 {
  margin-top: 2rem;
}

.content img {
  max-width: 100%;
}

.content strong.chinese {
  font-weight: normal;
  text-emphasis-style: dot;
  text-emphasis-position: under;
  -webkit-text-emphasis-style: dot;
  -webkit-text-emphasis-position: under;
}

/* Back to top link hover */
#back-to-top:hover {
  text-decoration: underline !important;
}
/* UI primitives extracted from common.css */

.btn {
  -webkit-appearance: none;
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0 14px;
  min-height: 36px;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--fg) 8%, transparent);
  color: var(--fg);
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 15px;
  line-height: 1;
  text-decoration: none !important;
  cursor: pointer;
  transition: border-color 180ms ease, box-shadow 160ms ease;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: #000; /* overlay layer for animated tints */
  opacity: 0;
  transition: opacity 180ms ease;
  pointer-events: none;
  border-radius: inherit;
}
.btn:active { transform: none; }
.btn[disabled], .btn.is-disabled { opacity: 0.6; cursor: not-allowed; }

.btn.primary {
  background: linear-gradient(180deg, #F3F2F2 0%, #E6E6E6 87.5%) !important;
  border-radius: 100px;
  border: none !important;
  color: black !important;
}
.btn.primary:visited {
  color: black !important;
  opacity: 1 !important;
}
/* Exact hover and active styles for primary button */
.btn.primary:hover { border: none !important; }
.btn.primary:active { border: none !important; }
.btn.primary:hover::before { opacity: 0.04; }
.btn.primary:active::before { opacity: 0.08; }
.darkmode .btn.primary { background: linear-gradient(180deg, #7a9fcd 5.17%, #6f93c1 23.1%, #6f93c1 76.9%, #7a9fcd 94.83%); }

.btn.secondary {
  background: linear-gradient(180deg, #FFFFFF 5.17%, #F6F6F6 22.41%, #F4F5F7 82.31%, #F6F7F9 94.83%);
  border: 1px solid rgba(0, 0, 0, 0.1);
}
.btn.secondary, .btn.secondary:hover, .btn.secondary:visited { color: var(--fg) !important; }

/* Exact hover and active styles for secondary (default) button */
.btn.secondary:hover { border: 1px solid rgba(0, 0, 0, 0.14); }
.btn.secondary:active { border: 1px solid rgba(0, 0, 0, 0.18); }
.btn.secondary:hover::before { opacity: 0.02; }
.btn.secondary:active::before { opacity: 0.05; }

.btn.ghost {
  background: transparent;
  border-color: color-mix(in srgb, var(--fg) 12%, transparent);
}

/* Plain text button: looks like text, turns into a pill on hover/active */
.btn.plain {
  background: transparent;
  border-color: transparent !important;
  color: var(--fg);
}
.btn.plain, .btn.plain:hover, .btn.plain:visited { color: var(--fg) !important; }
.btn.plain::before { display: none; }
.btn.plain:hover, .btn.plain:focus-visible {
  background: rgba(0, 0, 0, 0.05);
}
.btn.plain:active {
  background: rgba(0, 0, 0, 0.08);
}
.darkmode .btn.plain:hover, .darkmode .btn.plain:focus-visible { background: rgba(255, 255, 255, 0.08); }
.darkmode .btn.plain:active { background: rgba(255, 255, 255, 0.12); }

/* Size variants */
.btn.small, .btn.sm { min-height: 32px; padding: 0 12px; border-radius: 8px; }
.btn.standard { min-height: 36px; padding: 0 14px; border-radius: 8px; }
.btn.big, .btn.lg { font-size: 16px; min-height: 40px; padding: 0 18px; border-radius: 100px; }

.input, input.input, input[type="text"], input[type="email"], input[type="search"], input[type="number"], input[type="url"], input[type="password"], textarea.input {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  padding: 0.7rem 0.8rem;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--fg) 15%, transparent);
  background: color-mix(in srgb, var(--bg) 96%, var(--fg) 4%);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 1rem;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}
.input:focus, input:focus, textarea:focus {
  border-color: color-mix(in srgb, var(--blue) 50%, var(--fg) 50%);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 15%, transparent);
}
.input.invalid { border-color: var(--red); }

.field { display: grid; gap: 0.35rem; }
.field label { font-family: var(--font-sans); color: var(--fg2); font-size: 0.95rem; }
.field .error { color: var(--red); font-size: 0.92rem; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.gallery-item {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.18);
}

.gallery-item figcaption {
  font-size: 0.95rem;
  color: var(--fg3);
}


:root {
    --code-red: #CB071D; /* primary red (used for numbers, errors) */
    --code-green: #7EAC21; /* provided lighter green */
    --code-yellow: #a47d00;
    --code-blue: #0277AA; /* provided lighter blue */
    --code-magenta: #AE166B; /* true magenta accent */
    --code-purple: var(--code-blue);
    --code-aqua: #1b8ea6;
    --code-orange: #c44d5a;
    --code-gray: #5f6672;
    --code-comment: #6F7D8D; /* provided purple-grey for comments */
    --code-namespace: #6b1e3c; /* maroon for module names */
    --code-red-dim: #cc4b4b;
    --code-green-dim: #94c846;
    --code-yellow-dim: #916f00;
    --code-blue-dim: #2a93c3;
    --code-magenta-dim: #c33985;
    --code-purple-dim: #5f50bc;
    --code-aqua-dim: #187d92;
    --code-gray-dim: #4a515c;
    --code-orange-dim: #ad4450;
    --code-hover-bg: rgba(128, 128, 128, 0.10);
  }
  .darkmode {
    --code-red: #ff7a86; /* dark-mode red aligned with primary red */
    --code-green: #b6d968; /* lighter green */
    --code-yellow: #ffd36e;
    --code-blue: #5fb6de; /* lighter blue */
    --code-magenta: #ff66b3; /* magenta accent for dark */
    --code-purple: var(--code-blue);
    --code-aqua: #95e3f2;
    --code-gray: #b0b0b0;
    --code-comment: #9aa9b7; /* purple-grey */
    --code-namespace: #d07b9a; /* maroon tint in dark mode */
    --code-orange: #ff9bb3;
    --code-red-dim: #ffa3a3;
    --code-green-dim: #c9e58a;
    --code-yellow-dim: #ffe393;
    --code-blue-dim: #7ec6e6;
    --code-magenta-dim: #ff85c4;
    --code-purple-dim: #e4d7ff;
    --code-aqua-dim: #b8effa;
    --code-gray-dim: #c8c8c8;
    --code-orange-dim: #ffc0d0;
    --code-hover-bg: rgba(128, 128, 128, 0.30);
  }

/* Background */ .bg { color:var(--fg);background-color:var(--bg); }
/* PreWrapper */ .chroma { color:var(--fg2);background-color:var(--bg); }
/* Other */ .chroma .x { color: var(--code-gray); }
/* Error */ .chroma .err { color:var(--code-red); }
/* CodeLine */ .chroma .cl { color: inherit; }
/* LineLink */ .chroma .lnlinks { outline:none;text-decoration:none;color:inherit }
/* LineTableTD */ .chroma .lntd { vertical-align:top;padding:0;margin:0;border:0; }
/* LineTable */ .chroma .lntable { border-spacing:0;padding:0;margin:0;border:0; }
/* LineHighlight */ .chroma .hl { background-color:var(--bg1); }
/* LineNumbersTable */ .chroma .lnt { white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:var(--fg4); }
/* LineNumbers */ .chroma .ln { white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:var(--fg4); }
/* Line */ .chroma .line { display:flex; }
/* Keyword */ .chroma .k { color:var(--code-blue); }
/* KeywordConstant (e.g., True/False/None) */ .chroma .kc { color:var(--code-magenta); }
/* KeywordDeclaration */ .chroma .kd { color:var(--code-red); }
/* KeywordNamespace */ .chroma .kn { color:var(--code-blue); }
/* KeywordPseudo */ .chroma .kp { color:var(--code-blue); }
/* KeywordReserved */ .chroma .kr { color:var(--code-blue); }
/* KeywordType */ .chroma .kt { color:var(--code-red); }
/* Name */ .chroma .n { color: var(--fg2); }
/* NameAttribute */ .chroma .na { color:var(--code-blue); }
/* NameClass */ .chroma .nc { color:var(--code-yellow); }
/* NameConstant */ .chroma .no { color:var(--code-yellow); }
/* NameDecorator */ .chroma .nd { color:var(--code-blue);font-weight:bold }
/* NameEntity */ .chroma .ni { color:var(--code-aqua); }
/* NameException (e.g., RuntimeError) */ .chroma .ne { color:var(--code-blue); }
/* NameLabel */ .chroma .nl { color:var(--code-aqua); }
/* NameNamespace (e.g., imported module names) */ .chroma .nn { color:var(--code-namespace); }
/* NameOther */ .chroma .nx { color: var(--fg4); }
/* NameProperty */ .chroma .py { color:var(--code-orange); }
/* NameTag */ .chroma .nt { color:var(--code-blue); }
/* NameBuiltin */ .chroma .nb { color:var(--code-blue); }
/* NameBuiltinPseudo */ .chroma .bp { color:var(--code-blue); }
/* NameVariable */ .chroma .nv { color:var(--fg); }
/* NameVariableClass */ .chroma .vc { color:var(--fg); }
/* NameVariableGlobal */ .chroma .vg { color:var(--fg); }
/* NameVariableInstance */ .chroma .vi { color:var(--fg); }
/* NameVariableMagic */ .chroma .vm { color:var(--fg); }
/* NameFunction */ .chroma .nf { color:var(--code-blue); }
/* NameFunctionMagic */ .chroma .fm { color:var(--code-blue); }
/* Literal */ .chroma .l { color: var(--fg2); }
/* LiteralDate */ .chroma .ld { color: var(--fg2); }
/* LiteralString */ .chroma .s { color:var(--code-green); }
/* LiteralStringAffix (e.g., f/r/b prefixes) */ .chroma .sa { color:var(--code-blue); }
/* LiteralStringBacktick */ .chroma .sb { color:var(--code-green); }
/* LiteralStringChar */ .chroma .sc { color:var(--code-green); }
/* LiteralStringDelimiter */ .chroma .dl { color:var(--code-blue); }
/* LiteralStringDoc */ .chroma .sd { color:var(--fg2); }
/* LiteralStringDouble */ .chroma .s2 { color:var(--code-green); }
/* LiteralStringEscape */ .chroma .se { color:var(--code-blue); }
/* LiteralStringHeredoc */ .chroma .sh { color:var(--fg2); }
/* LiteralStringInterpol */ .chroma .si { color:var(--code-green); }
/* LiteralStringOther */ .chroma .sx { color:var(--code-green); }
/* LiteralStringRegex */ .chroma .sr { color:var(--code-aqua); }
/* LiteralStringSingle */ .chroma .s1 { color:var(--code-green); }
/* LiteralStringSymbol */ .chroma .ss { color:var(--code-green); }
/* LiteralNumber */ .chroma .m { color:var(--code-red); }
/* LiteralNumberBin */ .chroma .mb { color:var(--code-red); }
/* LiteralNumberFloat */ .chroma .mf { color:var(--code-red); }
/* LiteralNumberHex */ .chroma .mh { color:var(--code-red); }
/* LiteralNumberInteger */ .chroma .mi { color:var(--code-red); }
/* LiteralNumberIntegerLong */ .chroma .il { color:var(--code-red); }
/* LiteralNumberOct */ .chroma .mo { color:var(--code-red); }
/* Operator */ .chroma .o { color:color-mix(in srgb, var(--fg2) 70%, transparent);font-weight:normal }
/* OperatorWord */ .chroma .ow { color:color-mix(in srgb, var(--fg2) 70%, transparent);font-weight:normal }
/* Punctuation (slightly lighter than default gray) */ .chroma .p { color: color-mix(in srgb, var(--fg2) 85%, white); }
/* Comment */ .chroma .c { color:var(--code-comment);font-style:normal }
/* CommentHashbang */ .chroma .ch { color:var(--code-comment);font-style:normal }
/* CommentMultiline */ .chroma .cm { color:var(--code-comment);font-style:normal }
/* CommentSingle */ .chroma .c1 { color:var(--code-comment);font-style:normal }
/* CommentSpecial */ .chroma .cs { color:var(--code-comment);font-style:normal }
/* CommentPreproc */ .chroma .cp { color:var(--code-comment);font-style:normal }
/* CommentPreprocFile */ .chroma .cpf { color:var(--code-comment);font-weight:bold;font-style:normal }
/* Generic */ .chroma .g { color: var(--fg4); }
/* GenericDeleted */ .chroma .gd { color:var(--code-red);background-color:var(--bg1); }
/* GenericEmph */ .chroma .ge { font-style:italic }
/* GenericError */ .chroma .gr { color:var(--code-red); }
/* GenericHeading */ .chroma .gh { color:var(--code-orange);font-weight:bold }
/* GenericInserted */ .chroma .gi { color:var(--code-green);background-color:var(--bg1); }
/* GenericOutput */ .chroma .go { color: var(--fg2); }
/* GenericPrompt */ .chroma .gp { color: var(--fg2); }
/* GenericStrong */ .chroma .gs { font-weight:bold }
/* GenericSubheading */ .chroma .gu { color:var(--code-orange);font-weight:bold }
/* GenericTraceback */ .chroma .gt { color:var(--code-red); }
/* GenericUnderline */ .chroma .gl { text-decoration:underline }
/* TextWhitespace */ .chroma .w { color: var(--fg4); }