* {
  box-sizing: border-box;
}

:root {
  --bg: #fbfbfa;
  --text: #1e2227;
  --muted: #6d737c;
  --line: #e4e7eb;
  --accent: #1f4f82;
  --content-max: min(1080px, calc(100vw - 3rem));
}

body {
  margin: 0;
  background:
    radial-gradient(980px 520px at 100% -12%, #f2f5f8 0%, transparent 58%),
    var(--bg);
  color: var(--text);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  line-height: 1.72;
}

a {
  color: var(--accent);
  text-underline-offset: 0.14em;
  text-decoration-thickness: 0.08em;
}

.shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 2.6rem 1.5rem 3.2rem;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.9rem 1.4rem;
  align-items: baseline;
  padding-bottom: 0.8rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--line);
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
}

.site-title {
  color: var(--text);
  font-family: "Newsreader", Georgia, serif;
  font-size: clamp(1.5rem, 1.1rem + 1vw, 1.95rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  padding: 0.2rem 0.05rem;
  border-bottom: 1px solid transparent;
}

.site-nav a[aria-current="page"] {
  color: var(--text);
  border-bottom: 1px solid #c7ccd3;
}

.site-main {
  padding: 0;
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
}

.site-main h1,
.site-main h2,
.site-main h3 {
  font-family: "Newsreader", Georgia, serif;
  letter-spacing: 0.005em;
}

.site-main h1 {
  margin: 0 0 0.4rem;
  font-size: clamp(2rem, 1.5rem + 1.6vw, 2.45rem);
  line-height: 1.2;
  font-weight: 600;
}

.site-main h2 {
  margin-top: 1.85rem;
  margin-bottom: 0.45rem;
  font-size: 1.45rem;
  line-height: 1.28;
}

.site-main p,
.site-main li {
  font-size: 1.03rem;
}

.site-main img {
  max-width: 100%;
  height: auto;
}

.profile-photo {
  float: right;
  width: 295px;
  max-width: 45%;
  margin: 0.1rem 0 1rem 1.3rem;
  border-radius: 4px;
}

.site-footer {
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 2.7rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line);
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 700px) {
  :root {
    --content-max: calc(100vw - 2rem);
  }

  .shell {
    padding: 1.2rem 1rem 1.8rem;
  }

  .site-main {
    max-width: 100%;
  }

  .profile-photo {
    float: none;
    display: block;
    width: min(320px, 100%);
    max-width: 100%;
    margin: 0 auto 1rem auto;
  }
}

.pub-topic-filter {
  margin: 1rem 0 1.3rem;
}

.pub-topic-filter-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.4rem 0 0.5rem;
}

.topic-filter,
.topic-filter-clear,
.pub-topic-chip {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border: 1px solid #d0d7de;
  border-radius: 6px;
  padding: 0.1rem 0.5rem;
  font-size: 0.78rem;
  line-height: 1.45;
  font-weight: 600;
  text-decoration: none;
  color: #24292f;
  background: linear-gradient(#f6f8fa, #eef1f4);
  box-shadow: 0 1px 0 rgba(27, 31, 36, 0.04);
}

.topic-filter:hover {
  border-color: #afb8c1;
  filter: saturate(1.05);
}

.topic-filter span {
  margin-left: 0.45rem;
  padding: 0.06rem 0.38rem;
  border-radius: 4px;
  background: #57606a;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
}

.topic-filter {
  --topic-bg: #4c6faf;
  --topic-active: #3d5c95;
  color: #fff;
  border-color: var(--topic-bg);
  background: var(--topic-bg);
  filter: saturate(0.78) brightness(1.06);
}

.topic-filter.is-active {
  border-color: var(--topic-active);
  color: #fff;
  background: var(--topic-active);
  filter: saturate(0.9) brightness(1.02);
}

.topic-filter.is-active span {
  background: rgba(0, 0, 0, 0.25);
}

.topic-filter-clear {
  cursor: pointer;
  border-color: #b1bac4;
  color: #57606a;
}

.pub-filter-status {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0.45rem 0 0.2rem;
}

.pub-entry {
  margin: 0 0 1rem;
}

.pub-entry-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.28rem;
}

.pub-topic-chip {
  --topic-bg: #2f81f7;
  --topic-active: #1f6feb;
  color: #fff;
  border-color: var(--topic-bg);
  background: var(--topic-bg);
  box-shadow: none;
  filter: saturate(0.8) brightness(1.05);
}

.pub-topic-fallback {
  margin-top: 1.8rem;
}

.pub-topic-fallback ul,
.pub-topic-section ul {
  margin-top: 0.4rem;
}

.pub-topic-section {
  margin-top: 1.15rem;
}