:root {
  --theme: #ddd4e8;
  --entry: #ebe4f1;
  --primary: #2d2835;
  --secondary: #6b6374;
  --tertiary: #d0c3de;
  --content: #403848;
  --border: #c1b2d1;
  --accent: #2f6f69;
  --accent-soft: #d4e2de;
  --code-bg: #d5cae1;
  --shadow: 0 1px 2px rgba(57, 39, 75, 0.06), 0 8px 28px rgba(57, 39, 75, 0.08);
  --radius: 10px;
  --main-width: 760px;
  --wide-width: 1040px;
}

.dark {
  --theme: #1d1e20;
  --entry: #292a2e;
  --primary: #dadadb;
  --secondary: #9b9c9d;
  --tertiary: #35363a;
  --content: #c4c4c5;
  --border: #38393d;
  --accent: #77b8b0;
  --accent-soft: #263d3b;
  --code-bg: #303136;
  --shadow: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--primary);
  background: var(--theme);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a.inline-link, .post-content a, .pub-links a, .text-link { color: var(--accent); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
img, svg { max-width: 100%; display: block; }
button, input { font: inherit; }

.header { border-bottom: 1px solid transparent; }
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--wide-width);
  min-height: 64px;
  margin: auto;
  padding: 0 24px;
  gap: 18px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; white-space: nowrap; }
.logo a { font-size: 22px; letter-spacing: -0.02em; }
.logo-mark { color: var(--accent); font-weight: 800; }
#menu { display: flex; align-items: center; gap: 2px; margin: 0; padding: 0; list-style: none; }
#menu a { display: block; padding: 8px 10px; color: var(--secondary); font-size: 15px; border-radius: 6px; }
#menu a:hover, #menu a.active { color: var(--primary); background: var(--tertiary); }
.logo-switches { display: flex; align-items: center; }
#theme-toggle {
  width: 38px; height: 38px; border: 0; border-radius: 50%;
  display: grid; place-items: center; color: var(--primary); background: transparent; cursor: pointer;
}
#theme-toggle:hover { background: var(--tertiary); }
#theme-toggle svg { width: 20px; height: 20px; }
.dark #moon { display: none; }
body:not(.dark) #sun { display: none; }
.menu-button { display: none; border: 0; background: transparent; color: var(--primary); padding: 8px; cursor: pointer; }

.main { max-width: var(--main-width); margin: auto; padding: 28px 24px 72px; min-height: calc(100vh - 140px); }
.main.wide { max-width: var(--wide-width); }

.first-entry { position: relative; margin: 12px 0 30px; min-height: 280px; display: flex; flex-direction: column; justify-content: center; }
.home-info { min-height: 250px; }
.entry-header h1 { margin: 0 0 14px; font-size: clamp(34px, 6vw, 48px); line-height: 1.14; letter-spacing: -0.035em; }
.entry-header h2 { margin: 0; font-size: 25px; line-height: 1.3; letter-spacing: -0.018em; }
.entry-content { color: var(--secondary); }
.entry-content p { margin: 8px 0; }
.entry-footer { margin-top: 14px; color: var(--secondary); font-size: 14px; }
.kicker { color: var(--accent); font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: .09em; }
.lead { font-size: 19px; max-width: 680px; }

.social-icons { display: flex; align-items: center; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.social-icons a { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--border); border-radius: 50%; color: var(--primary); }
.social-icons a:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-1px); }
.social-icons svg { width: 19px; height: 19px; }

.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin: 38px 0 16px; }
.section-heading h2 { margin: 0; font-size: 22px; letter-spacing: -0.018em; }
.section-heading a { color: var(--secondary); font-size: 14px; }
.section-heading a:hover { color: var(--accent); }

.post-entry {
  position: relative; margin-bottom: 22px; padding: 28px;
  background: var(--entry); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
  transition: transform .16s ease, border-color .16s ease;
}
.post-entry:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }
.post-entry .entry-content { margin: 10px 0 0; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.post-entry .entry-link { position: absolute; inset: 0; z-index: 1; border-radius: inherit; }
.post-entry .entry-footer { position: relative; z-index: 2; }

.page-header { margin: 28px 0 30px; }
.page-header h1 { margin: 0 0 8px; font-size: 40px; line-height: 1.2; letter-spacing: -0.035em; }
.page-header p { color: var(--secondary); margin: 0; max-width: 680px; }

.post-single { max-width: 760px; margin: auto; }
.post-title { font-size: clamp(36px, 7vw, 52px); line-height: 1.12; letter-spacing: -0.04em; margin: 18px 0 12px; }
.post-meta { color: var(--secondary); font-size: 14px; margin-bottom: 32px; }
.post-content { color: var(--content); }
.post-content h2 { color: var(--primary); margin: 38px 0 12px; font-size: 28px; line-height: 1.25; letter-spacing: -0.025em; }
.post-content h3 { color: var(--primary); margin: 28px 0 8px; font-size: 21px; }
.post-content p, .post-content ul { margin: 14px 0; }
.post-content li { margin: 7px 0; }
.post-content blockquote { margin: 24px 0; padding: 2px 0 2px 20px; border-left: 3px solid var(--accent); color: var(--secondary); }
.post-content code { background: var(--code-bg); padding: .12em .35em; border-radius: 4px; font-size: .9em; }
.post-content pre { background: var(--code-bg); padding: 18px; overflow-x: auto; border-radius: 8px; border: 1px solid var(--border); }

.publication-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.publication-nav a { padding: 7px 12px; color: var(--content); background: var(--entry); border: 1px solid var(--border); border-radius: 999px; font-size: 14px; }
.publication-nav a:hover { color: var(--accent); border-color: var(--accent); }
.publication-groups { display: grid; gap: 30px; }
.pub-group { scroll-margin-top: 24px; padding: 24px; background: var(--entry); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.pub-group-header { display: flex; align-items: end; justify-content: space-between; gap: 18px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.pub-group-header h2 { margin: 2px 0 0; font-size: 28px; letter-spacing: -0.025em; }
.pub-count { flex: none; padding: 4px 9px; color: var(--secondary); background: var(--tertiary); border-radius: 999px; font-size: 12px; }
.pub-list { display: grid; gap: 0; }
.publication {
  display: grid; grid-template-columns: 220px 1fr; gap: 24px; align-items: start;
  padding: 22px 0; border-top: 1px solid var(--border);
}
.publication:first-child { border-top: 0; }
.pub-teaser { aspect-ratio: 16 / 10; overflow: hidden; border-radius: 6px; border: 1px solid var(--border); background: var(--tertiary); }
.pub-teaser img { width: 100%; height: 100%; object-fit: cover; }
.pub-info h2 { margin: 0 0 7px; font-size: 21px; line-height: 1.32; }
.pub-info p { margin: 6px 0; color: var(--secondary); font-size: 15px; }
.pub-info .authors { color: var(--content); }
.pub-info .venue { color: var(--accent); font-weight: 650; }
.pub-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; font-size: 14px; }


.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 36px; }
.tag-cloud a { padding: 7px 12px; background: var(--tertiary); border-radius: 999px; color: var(--secondary); }
.tag-cloud a:hover { color: var(--accent); }
.tag-section { scroll-margin-top: 24px; }

.empty-state { color: var(--secondary); padding: 24px 0; }

.about-grid { display: grid; grid-template-columns: 1.5fr .7fr; gap: 42px; align-items: start; }
.profile-art { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--tertiary); }
.fact-list { margin: 0; padding: 0; list-style: none; }
.fact-list li { padding: 10px 0; border-bottom: 1px solid var(--border); }
.fact-list strong { display: block; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--secondary); }


.cv-toolbar { display: flex; gap: 12px; margin-bottom: 24px; }
.button { display: inline-block; padding: 9px 14px; border: 1px solid var(--border); border-radius: 7px; background: var(--entry); cursor: pointer; }
.button.primary { color: white; background: var(--accent); border-color: var(--accent); }
.cv-section { margin: 30px 0; }
.cv-section h2 { margin: 0 0 12px; border-bottom: 1px solid var(--border); padding-bottom: 7px; font-size: 20px; text-transform: uppercase; letter-spacing: .06em; }
.cv-row { display: grid; grid-template-columns: 1fr auto; gap: 18px; margin: 15px 0; }
.cv-row h3 { margin: 0; font-size: 17px; }
.cv-row p { margin: 2px 0; color: var(--secondary); }
.cv-date { white-space: nowrap; color: var(--secondary); font-size: 14px; }

.footer { max-width: var(--wide-width); margin: auto; padding: 20px 24px 38px; color: var(--secondary); font-size: 13px; text-align: center; }
.footer span + span::before { content: " · "; }
.top-link { position: fixed; right: 24px; bottom: 24px; width: 38px; height: 38px; display: none; place-items: center; background: var(--entry); border: 1px solid var(--border); border-radius: 8px; box-shadow: var(--shadow); }
.top-link.visible { display: grid; }
.top-link svg { width: 16px; }

.notice { padding: 14px 16px; background: var(--accent-soft); border-left: 3px solid var(--accent); border-radius: 4px; color: var(--content); }
.muted { color: var(--secondary); }
.divider { border: 0; border-top: 1px solid var(--border); margin: 36px 0; }

@media (max-width: 820px) {
  .nav { align-items: flex-start; flex-wrap: wrap; padding-top: 12px; padding-bottom: 12px; }
  .menu-button { display: block; margin-left: auto; }
  .logo-switches { margin-left: auto; }
  #menu { display: none; width: 100%; flex-wrap: wrap; padding-top: 6px; }
  #menu.open { display: flex; }
  #menu a { padding: 7px 9px; }
  .publication { grid-template-columns: 160px 1fr; gap: 18px; }
}

@media (max-width: 600px) {
  body { font-size: 16px; }
  .main { padding-left: 18px; padding-right: 18px; }
  .nav { padding-left: 18px; padding-right: 18px; }
  .first-entry { min-height: 210px; }
  .post-entry { padding: 22px; }
  .publication { grid-template-columns: 1fr; gap: 14px; }
  .pub-teaser { max-width: 100%; }
  .pub-group { padding: 18px; }
  .pub-group-header { align-items: start; }
  .about-grid { grid-template-columns: 1fr; }
  .profile-art { max-width: 320px; }
  .cv-row { grid-template-columns: 1fr; gap: 2px; }
  .cv-date { order: -1; }
  .footer span { display: block; }
  .footer span + span::before { content: ""; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

@media print {
  .header, .footer, .top-link, .cv-toolbar { display: none !important; }
  body { color: #000; background: #fff; font-size: 11pt; }
  .main { max-width: none; padding: 0; }
  .page-header { margin-top: 0; }
  a { text-decoration: none !important; color: #000 !important; }
  .cv-section { break-inside: avoid; }
}