/* Daniel Weagley — academic site stylesheet */
:root {
  --blue: #0E3A5D;      /* matches CV accent color */
  --blue-light: #1a5a8a;
  --gray: #4F5B66;
  --rule: #d9dee3;
  --bg: #ffffff;
  --bg-soft: #f5f7f9;
  --text: #22272b;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 14.5px; }

body {
  font-family: Georgia, 'Times New Roman', serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 1rem;
}

a { color: var(--blue-light); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header / nav */
header {
  background: var(--bg);
}
.header-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.1rem 1.25rem 0.9rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.header-brand { display: flex; align-items: center; gap: 0.9rem; }
.header-logo { height: 46px; width: auto; display: block; }
.site-name {
  font-size: 1.35rem;
  font-weight: bold;
  color: var(--blue);
  letter-spacing: 0.01em;
}
.site-name a { color: var(--blue); }
nav { font-family: Helvetica, Arial, sans-serif; font-size: 0.95rem; }
nav a { color: var(--gray); margin-left: 1.1rem; }
nav a:first-child { margin-left: 0; }
nav a.active { color: var(--blue); font-weight: bold; }
nav a:hover { color: var(--blue); text-decoration: none; }

/* Layout */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}
h1 {
  color: var(--blue);
  font-size: 1.7rem;
  margin-bottom: 1.2rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--rule);
}
h2 {
  color: var(--blue);
  font-size: 1.25rem;
  margin: 1.8rem 0 0.8rem;
}
h1:first-child, h2:first-child { margin-top: 0; }

/* Home */
.profile {
  display: flex;
  gap: 2.2rem;
  align-items: flex-start;
  flex-wrap: wrap;
}
.profile img {
  width: 230px;
  max-width: 100%;
  border-radius: 4px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}
.profile-text { flex: 1; min-width: 280px; }
.profile-text h1 { border: none; margin-bottom: 0.2rem; font-size: 2rem; }
.subtitle { color: var(--gray); font-size: 1.05rem; margin-bottom: 1rem; }
.quick-links { margin: 1.2rem 0; font-family: Helvetica, Arial, sans-serif; font-size: 0.95rem; }
.quick-links a {
  display: inline-block;
  border: 1px solid var(--blue);
  color: var(--blue);
  border-radius: 4px;
  padding: 0.35rem 0.9rem;
  margin: 0 0.5rem 0.5rem 0;
}
.quick-links a:hover { background: var(--blue); color: #fff; text-decoration: none; }

/* Papers (accordion style) */
.paper {
  margin-bottom: 1.1rem;
  padding-left: 1rem;
  border-left: 3px solid var(--rule);
}
.paper summary {
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-left: 1.1rem;
}
.paper summary::-webkit-details-marker { display: none; }
.paper summary::before {
  content: "\25B8";           /* ▸ */
  position: absolute;
  left: 0;
  color: var(--blue);
  transition: transform 0.15s;
}
.paper[open] summary::before { transform: rotate(90deg); }
.paper summary:hover .paper-title { color: var(--blue-light); }
.paper-title { font-weight: bold; }
.paper-authors { color: var(--gray); font-size: 0.95rem; }
.paper-venue { font-style: italic; }
.paper-body { padding: 0.4rem 0 0.3rem 1.1rem; }
.paper-links { font-family: Helvetica, Arial, sans-serif; font-size: 0.85rem; margin-top: 0.15rem; }
.paper-links a { margin-right: 0.9rem; }
.paper-note { font-size: 0.92rem; color: var(--gray); margin-top: 0.15rem; }
.paper-conferences { font-size: 0.88rem; color: var(--gray); margin-top: 0.5rem; }
.paper-figure { margin: 0.8rem 0 0.4rem; }
.paper-figure img {
  max-width: 100%;
  width: 560px;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: #fff;
  padding: 4px;
}

/* Lists */
ul.plain { list-style: none; }
ul.plain li { margin-bottom: 0.45rem; }
ul.spaced li { margin-bottom: 0.45rem; }
main ul { padding-left: 1.3rem; }

/* Media page */
.media-item { margin-bottom: 0.5rem; }
.media-outlet { font-weight: bold; }

/* Data page */
.data-block {
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}
.data-block h3 { color: var(--blue); margin-bottom: 0.5rem; font-size: 1.05rem; }

/* Footer */
footer {
  border-top: 1px solid var(--rule);
  color: var(--gray);
  font-size: 0.85rem;
  font-family: Helvetica, Arial, sans-serif;
}
.footer-inner { max-width: 900px; margin: 0 auto; padding: 1rem 1.25rem; }

@media (max-width: 640px) {
  .header-inner { flex-direction: column; }
  nav a { margin-left: 0; margin-right: 0.9rem; }
  .profile { gap: 1.2rem; }
}