/* ==============================================
   MOHIT JOSHI — LessWrong Article-Style Research Site
   ============================================== */

/* ---------- Variables: Light ---------- */
:root {
  --bg: #fff8eb;
  --text: #2b2b2b;
  --text-light: #6b6b6b;
  --text-muted: #9a9a9a;
  --accent: #8b2232;
  --accent-hover: #a62a3e;
  --accent-blue: #2d4a7a;
  --accent-blue-hover: #3a5f9a;
  --divider: rgba(0,0,0,0.08);
  --card-bg: #ffffff;
  --card-border: rgba(0,0,0,0.07);
  --sidebar-bg: rgb(255, 255, 255);
  --tag-bg: rgba(139,34,50,0.07);
  --tag-text: #8b2232;
  --tag-blue-bg: rgba(45,74,122,0.07);
  --tag-blue-text: #2d4a7a;
  --preview-bg: #fff;
  --preview-shadow: 0 4px 24px rgba(0,0,0,0.15);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --font-serif: 'Merriweather', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ---------- Variables: Dark ---------- */
html[data-theme="dark"] {
  --bg: #1b1b1b;
  --text: #dfdfdf;
  --text-light: #9e9e9e;
  --text-muted: #6b6b6b;
  --accent: #2698ba;
  --accent-hover: #2698ba;
  --accent-blue: #7bb5d4;
  --accent-blue-hover: #98c8e3;
  --divider: rgba(255,255,255,0.08);
  --card-bg: #181818;
  --card-border: rgba(255,255,255,0.05);
  --sidebar-bg: rgba(0, 0, 0, 0.985);
  --tag-bg: rgb(62, 62, 62);
  --tag-text: #2698ba;
  --tag-blue-bg: rgba(123,181,212,0.12);
  --tag-blue-text: #7bb5d4;
  --preview-bg: #1e1e1e;
  --preview-shadow: 0 12px 40px rgba(0,0,0,0.6);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
}

/* ---------- Reset ---------- */
*,*::before,*::after { margin:0; padding:0; box-sizing:border-box }
html { scroll-behavior: smooth }
::selection { background: var(--accent); color: #fff }

body {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  padding-top: 56px;
  transition: background-color .6s, color .6s;
}

html.transition,
html.transition *,
html.transition *::before,
html.transition *::after {
  transition: all 600ms !important;
  transition-delay: 0s !important;
}

a { color: var(--accent); text-decoration: none }
a:hover { color: var(--accent-hover); text-decoration: underline }
img { max-width: 100% }
hr { border: 0; border-top: 1px solid var(--divider); margin: 1.5rem 0 }
p, h1, h2, h3, h4, li, span, strong, td, th, em, div { color: var(--text) }



/* ---------- Top Navbar ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1030;
  height: 56px;
  background: var(--bg);
  border-bottom: 1px solid var(--divider);
  opacity: 0.97;
  display: flex;
  align-items: center;
  transition: background-color .6s, border-color .6s;
}
.nav-container {
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  padding: 0 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--text);
  font-size: 16px;
  text-decoration: none;
}
.nav-brand:hover { color: var(--text); text-decoration: none }
.nav-menu {
  display: flex;
  list-style: none;
  gap: 2px;
  align-items: center;
}
.nav-menu a {
  font-family: var(--font-sans);
  color: var(--text);
  font-size: 13.5px;
  font-weight: 400;
  padding: 6px 12px;
  text-decoration: none;
  transition: color .2s;
}
.nav-menu a:hover { color: var(--accent); text-decoration: none }
.nav-menu a.active { font-weight: 700; color: var(--accent) }

.nav-right {
  display: flex;
  align-items: center;
  gap: 4px;
}
#light-toggle {
  padding: 6px 8px;
  border: 0;
  background: inherit;
  color: var(--text);
  cursor: pointer;
  font-size: 16px;
  transition: color .2s;
}
#light-toggle:hover { color: var(--accent) }
.nav-toggle {
  display: none;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--text);
  font-size: 20px;
  padding: 6px;
}

/* ---------- Container ---------- */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 15px;
}

/* ---------- LessWrong-style TOC Sidebar ---------- */
.toc-sidebar {
  position: fixed;
  left: 0;
  top: 56px;
  bottom: 0;
  z-index: 100;
  width: 24px;
  transition: width .3s ease;
  overflow: hidden;
}
.toc-sidebar:hover,
.toc-sidebar.peek {
  width: 210px;
}
/* The thin accent line on the edge */
.toc-rail {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent) 0%, transparent 100%);
  opacity: .35;
  transition: opacity .3s;
}
.toc-sidebar:hover .toc-rail,
.toc-sidebar.peek .toc-rail { opacity: 0 }

/* Bar indicator visible by default */
.toc-dots {
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  width: 4px;
  background: var(--divider);
  border-radius: 0;
  overflow: hidden;
  transition: opacity .25s;
}
.toc-sidebar:hover .toc-dots,
.toc-sidebar.peek .toc-dots { opacity: 0 }
.toc-dot {
  width: 4px; flex: 1;
  background: transparent;
  transition: background .2s;
}
.toc-dot.active {
  background: var(--accent);
}

/* Full text TOC revealed on hover */
.toc-panel {
  position: absolute;
  top: 50%;
  width: 210px;
  height: auto;
  max-height: 80vh;
  background: var(--sidebar-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--divider);
  border-left: none;
  border-radius: 0 16px 16px 0;
  box-shadow: var(--glass-shadow);
  padding: 24px 16px;
  opacity: 0;
  transform: translateY(-50%) translateX(-20px);
  transition: opacity .3s ease, transform .3s ease;
  overflow-y: auto;
}
.toc-sidebar:hover .toc-panel,
.toc-sidebar.peek .toc-panel {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}
.toc-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.toc-list {
  list-style: none;
}
.toc-list li { margin-bottom: 2px }
.toc-list a {
  font-family: var(--font-sans);
  display: block;
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 400;
  color: var(--text-light);
  text-decoration: none;
  transition: all .15s;
  line-height: 1.4;
}
.toc-list a:hover {
  color: var(--accent);
  background: var(--tag-bg);
  text-decoration: none;
}
.toc-list a.active {
  color: var(--accent);
  background: var(--tag-bg);
  font-weight: 600;
}

/* ---------- About Section (arcaman07 layout) ---------- */
.about {
  padding-top: 2rem;
  padding-bottom: 0.5rem;
}
.clearfix::after { content: ''; display: table; clear: both }

.profile {
  float: right;
  width: 240px;
  margin-left: 1.8rem;
  margin-bottom: 1rem;
  text-align: center;
}
.profile .img-wrap {
  width: 100%;
  border-radius: 50%;
  overflow: hidden;
  aspect-ratio: 1;
}
.profile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 10%;
  transform: scale(1);
}
.profile .social {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.profile .social a {
  color: var(--text);
  font-size: 18px;
  transition: color .2s;
}
.profile .social a:hover { color: var(--accent); text-decoration: none }

.about-content h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.about-content .lead {
  font-size: 1rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}
.about-content .lead a { text-decoration: underline; text-decoration-style: dotted; text-underline-offset: 2px }
.about-content p {
  font-size: 15.5px;
  line-height: 1.85;
  font-weight: 400;
}
.about-content p a {
  text-decoration-line: underline;
  text-decoration-style: dotted;
  text-underline-offset: 2px;
}
.about-content p a:hover { text-decoration-style: solid }

/* ---------- Section ---------- */
.section { padding: 1.5rem 0 }
.section h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.section h2 a { color: var(--text); text-decoration: none }
.section h2 a:hover { color: var(--accent); text-decoration: none }

/* ---------- Research Highlights ---------- */
.highlights h3 {
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-light);
  margin-bottom: 8px;
  margin-top: 24px;
}
.highlights h3:first-child { margin-top: 0 }
.highlights ul { list-style: none; padding: 0 }
.highlights ul li {
  font-size: 15.5px;
  padding: 6px 0 6px 18px;
  position: relative;
  line-height: 1.7;
}
.highlights ul li::before {
  content: '\203A';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ---------- Research Projects / Publications ---------- */
.pub-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 2rem 0;
  border-bottom: 1px solid var(--divider);
  overflow-wrap: break-word;
  word-break: break-word;
}
.pub-item:last-child { border-bottom: none; padding-bottom: 0 }

.pub-thumb {
  flex-shrink: 0;
  width: 200px;
  height: 160px;
  border-radius: 6px;
  overflow: hidden;
  background: var(--card-bg);
  border: 1px solid var(--divider);
}
html[data-theme="dark"] .pub-thumb { background: #2a2a2e }
.pub-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top center;
}
.pub-body {
  flex: 1;
  min-width: 0;
  overflow-wrap: break-word;
  word-break: break-word;
}
.pub-abbr { display: inline-block; margin-bottom: 4px }
.pub-abbr span {
  background: var(--accent);
  color: #fff;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .02em;
}
.pub-title {
  font-weight: 500;
  font-size: 16px;
  line-height: 1.45;
  margin-bottom: 3px;
}
.pub-authors {
  font-size: 14.5px;
  font-weight: 300;
  margin-bottom: 2px;
}
.pub-authors em {
  font-style: normal;
  border-bottom: 1px solid var(--text);
  font-weight: 500;
}
.pub-venue {
  font-size: 13px;
  color: var(--text-light);
  font-style: italic;
  font-family: var(--font-serif);
  margin-bottom: 8px;
}
.pub-links { display: flex; flex-wrap: wrap; gap: 6px }
.pub-btn {
  font-size: 12px;
  font-weight: 400;
  color: var(--text);
  border: 1px solid var(--text);
  padding: 2px 12px;
  border-radius: 3px;
  text-decoration: none;
  transition: all .15s;
  display: inline-block;
}
.pub-btn:hover { color: var(--accent); border-color: var(--accent); text-decoration: none }

/* Abstract toggle */
.pub-abstract {
  display: none;
  font-size: 13.5px;
  color: var(--text-light);
  font-weight: 300;
  line-height: 1.7;
  margin-top: 10px;
  padding: 10px 14px;
  border-left: 3px solid var(--accent);
  background: rgba(0,0,0,0.02);
  border-radius: 0 4px 4px 0;
}
html[data-theme="dark"] .pub-abstract { background: rgba(255,255,255,0.03) }
.pub-abstract.open { display: block }
.pub-abstract-toggle {
  font-size: 12px;
  color: var(--text-light);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color .15s;
}
.pub-abstract-toggle:hover { color: var(--accent) }
.pub-abstract-toggle .toggle-arrow { font-size: 10px; transition: transform .2s; display: inline-block }
.pub-abstract-toggle.open .toggle-arrow { transform: rotate(90deg) }

/* ---------- Experience Timeline ---------- */
.exp-list { list-style: none; padding: 0 }
.exp-list > li {
  padding-bottom: 1.2rem;
  padding-left: 20px;
  border-left: 2px solid var(--divider);
  position: relative;
}
.exp-list > li:last-child { padding-bottom: 0 }
.exp-list > li::before {
  content: '';
  position: absolute;
  left: -5px; top: 7px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--divider);
}
.exp-list > li:first-child::before { background: var(--accent) }
.exp-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px;
}
.exp-org { font-weight: 500; font-size: 15px; font-family: var(--font-sans); }
.exp-date { font-size: 13px; color: var(--text-light); font-family: var(--font-serif); }
.exp-role { font-family: var(--font-serif); font-size: 15px; color: var(--accent); font-weight: 700; margin: 1px 0 2px }
.exp-advisor { font-family: var(--font-serif); font-size: 14px; color: var(--text); margin-bottom: 4px }
.exp-desc { font-family: var(--font-sans); font-size: 14.5px; color: var(--text-light); font-weight: 300; line-height: 1.65 }

/* ---------- Education ---------- */
.edu-item {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--divider);
  border-radius: 6px;
  margin-bottom: 12px;
}
.edu-icon { font-size: 28px }
.edu-body { flex: 1 }
.edu-name { font-weight: 500; font-size: 15px }
.edu-deg { font-size: 14.5px; color: var(--text-light); font-weight: 300 }
.edu-meta { font-size: 12px; color: var(--text-light); font-family: var(--font-serif); }

/* ---------- News ---------- */
.news-table { width: 100% }
.news-table tr td {
  padding: 10px 0;
  font-size: 15.5px;
  vertical-align: top;
  border-bottom: 1px solid var(--divider);
}
.news-table tr:last-child td { border-bottom: none }
.news-table .date {
  width: 85px;
  color: var(--accent);
  font-weight: 500;
  font-size: 13px;
  white-space: nowrap;
  padding-right: 12px;
}
.news-table .desc { font-weight: 300 }
.news-table .desc strong { font-weight: 500 }

/* ---------- Blog/Thoughts Posts ---------- */
.post-list { list-style: none; padding: 0; margin: 0; width: 100% }
.post-list li {
  border-bottom: 1px solid var(--divider);
  padding: 1.5rem 0;
  overflow-wrap: break-word;
  word-break: break-word;
}
.post-list li:first-child { padding-top: 0 }
.post-list li:last-child { border-bottom: none }
.post-meta { color: var(--text-light); font-size: .875rem; margin-bottom: 2px }
.post-title { font-size: 18px; font-weight: 500 }
.post-title a { color: var(--text); text-decoration: none }
.post-title a:hover { color: var(--accent) }
.post-desc {
  font-size: 14px;
  color: var(--text-light);
  margin-top: 4px;
  font-weight: 300;
  line-height: 1.6;
}

/* ---------- Awards ---------- */
.awards-list { list-style: none; padding: 0; margin-top: 8px }
.awards-list li {
  font-size: 14.5px;
  font-weight: 300;
  padding: 4px 0 4px 18px;
  position: relative;
  line-height: 1.7;
}
.awards-list li::before {
  content: '\2013';
  position: absolute;
  left: 0;
  color: var(--text-light);
}
.awards-list li strong { font-weight: 500 }

/* ---------- Research Tags ---------- */
.research-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px }
.research-tag {
  font-family: var(--font-sans);
  padding: 4px 12px;
  background: var(--tag-bg);
  color: var(--tag-text);
  border-radius: 3px;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .02em;
}

/* ---------- Contact ---------- */
.contact-form { max-width: 600px }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px }
.form-group { margin-bottom: 14px }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 4px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--divider);
  border-radius: 4px;
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  font-weight: 300;
  transition: border-color .2s;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent) }
.form-group textarea { resize: vertical; min-height: 100px }
.form-submit {
  padding: 10px 28px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 4px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity .2s;
}
.form-submit:hover { opacity: .85 }

/* ---------- More link ---------- */
.more-link {
  font-size: 14px;
  font-weight: 400;
  margin-top: 8px;
  display: inline-block;
}

/* ---------- Link Preview Tooltip ---------- */
.link-preview {
  position: fixed;
  z-index: 9999;
  width: 340px;
  background: var(--preview-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  box-shadow: var(--preview-shadow);
  padding: 16px;
  pointer-events: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .2s, transform .2s;
  font-size: 13px;
  line-height: 1.5;
}
.link-preview.visible {
  opacity: 1;
  transform: translateY(0);
}
.link-preview-title {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
  color: var(--text);
}
.link-preview-url {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.link-preview-desc {
  font-size: 12.5px;
  color: var(--text-light);
  line-height: 1.55;
}
.link-preview-type {
  display: inline-block;
  margin-top: 8px;
  padding: 1px 8px;
  background: var(--tag-bg);
  color: var(--tag-text);
  border-radius: 3px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}

/* ---------- Signature ---------- */
.signature-img {
  max-width: 150px;
  display: inline-block;
  opacity: 0.85;
  transition: filter .6s;
}

html[data-theme="dark"] .signature-img {
  filter: invert(1) brightness(0.9);
}

/* ---------- Command Palette ---------- */
.cmd-palette-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.25);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 18vh;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}
.cmd-palette-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.cmd-palette {
  width: 100%;
  max-width: 480px;
  background: rgba(250, 250, 250, 0.85);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid var(--divider);
  border-radius: 20px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.2);
  overflow: hidden;
  transform: translateY(-8px) scale(0.99);
  transition: transform 0.15s cubic-bezier(0.2, 0.9, 0.3, 1);
  display: flex;
  flex-direction: column;
}
html[data-theme="dark"] .cmd-palette {
  box-shadow: 0 16px 48px rgba(0,0,0,0.6);
  background: rgba(30, 30, 30, 0.7);
}

.cmd-palette-overlay.active .cmd-palette {
  transform: translateY(0) scale(1);
}

.cmd-header {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.cmd-palette.has-results .cmd-header {
  border-bottom-color: var(--divider);
}
.cmd-header i {
  color: var(--text-muted);
  font-size: 14px;
  margin-right: 10px;
}
.cmd-header input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.2;
}
.cmd-header input::placeholder {
  color: var(--text-muted);
}
.cmd-esc {
  display: none;
}

.cmd-results {
  max-height: 280px;
  overflow-y: auto;
  padding: 6px;
}
.cmd-item {
  display: flex;
  flex-direction: column;
  padding: 8px 12px;
  cursor: pointer;
  border-radius: 6px;
  color: var(--text);
  text-decoration: none;
  margin-bottom: 2px;
}
.cmd-item:hover, .cmd-item.selected {
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}
.cmd-item:hover .cmd-item-desc, .cmd-item.selected .cmd-item-desc {
  color: rgba(255,255,255,0.7);
}
.cmd-item-title {
  font-size: 13.5px;
  font-weight: 500;
  margin-bottom: 2px;
}
.cmd-item-desc {
  font-size: 11.5px;
  color: var(--text-muted);
}
.cmd-empty {
  padding: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--divider);
  color: var(--text-muted);
  font-size: .75rem;
  text-align: center;
  padding: 12px 0;
  margin-top: 3rem;
  transition: background-color .6s, color .6s;
}
.footer a { color: var(--accent) }
.footer a:hover { color: var(--accent-hover); text-decoration: none }

/* ---------- Responsive: Tablet ---------- */
@media (max-width: 768px) {
  .toc-sidebar { display: none }
  .nav-menu { display: none }
  .nav-menu.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 56px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--divider);
    padding: 8px 15px;
    gap: 0;
    z-index: 1029;
  }
  .nav-toggle { display: block }
  .container { padding: 0 14px }
  .profile { float: none; width: 160px; margin: 0 auto 1.2rem }
  .about-content { text-align: center }
  .about-content p { text-align: left }
  .about-content h1 { font-size: 1.7rem }
  .pub-item { gap: 14px }
  .pub-thumb { width: 140px; height: 100px }
  .pub-title { font-size: 14.5px }
  .pub-authors { font-size: 13px }
  .pub-venue { font-size: 12px }
  .exp-head { flex-direction: column; gap: 1px }
  .form-row { grid-template-columns: 1fr }
  .link-preview { width: 280px }
}

/* ---------- Responsive: Phone ---------- */
@media (max-width: 520px) {
  .pub-item { flex-direction: column; gap: 10px }
  .pub-thumb { width: 100%; max-width: 100%; height: 180px }
  .pub-body { width: 100% }
  .pub-title { font-size: 15px }
  .pub-abstract { font-size: 13px }
  .about-content h1 { font-size: 1.5rem }
  .about-content .lead { font-size: .9rem }
  .about-content p { font-size: 15px }
  .section h2 { font-size: 1.3rem }
  .news-table .date { width: 72px; font-size: 12px }
  .news-table tr td { font-size: 13.5px; padding: 8px 0 }
  .highlights ul li { font-size: 14.5px }
  .form-submit { width: 100% }
  .container { padding: 0 12px }
  .link-preview { width: 260px; padding: 12px }
}