/* ============================================================
   custom.css — modern academic refresh for zgp110.github.io
   Layered ON TOP of main.css (loaded after it in head.html).
   Author edits live here; the compiled theme stays untouched.
   ============================================================ */

:root {
  --accent:       #2c6e9b;   /* calm scholarly blue                 */
  --accent-dark:  #1d4e6f;   /* hover / emphasis                    */
  --ink:          #2b2b29;   /* primary text                        */
  --muted:        #5b626e;   /* secondary text (venues, dates) — AA */
  --rule:         #e6e8ec;   /* hairline dividers & borders         */
  --card:         #f7f8fa;   /* card / blockquote background         */
}

/* ---- Readability ----------------------------------------- */
.article-wrap {
  line-height: 1.72;
}
.article-wrap p {
  text-indent: 0;
  color: var(--ink);
}
/* Cap the reading measure on very wide monitors (the theme floats
   the article column with no max-width, so prose can over-run).    */
#main article {
  max-width: 46em;
}

/* ---- Headings -------------------------------------------- */
/* Set the content page-title colour explicitly (the theme default
   is #333332; this uses the slightly deeper --ink and loads later). */
.article-wrap h1 {
  color: var(--ink);
  font-size: 2.4rem;
  letter-spacing: .4px;
  margin-bottom: .35em;
}
/* Section headings: distinguished by accent colour, NOT by the
   accent bar — that motif is reserved for content blocks below.    */
.article-wrap h2 {
  color: var(--accent-dark);
  clear: both;                 /* never collide with the floated photo */
  margin-top: 1.5em;
  letter-spacing: .3px;
}

/* ---- Section dividers ------------------------------------ */
.article-wrap hr {
  clear: both;
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 2.1em 0 1.4em;
}

/* ---- Links ----------------------------------------------- */
/* Persistent, restrained underline so links are distinguishable by
   more than colour alone (accent vs ink is ~2.6:1 — below WCAG 3:1).*/
.article-wrap a {
  color: var(--accent);
  border-bottom: 1px solid rgba(44, 110, 155, .4);
  transition: color .15s ease, border-color .15s ease;
}
.article-wrap a:hover {
  color: var(--accent-dark);
  border-bottom-color: var(--accent);
}
/* Publication-card titles read as headings — bold is enough; keep
   them clean and only underline on hover.                          */
.pubs > li a {
  border-bottom-color: transparent;
}
.pubs > li a:hover {
  border-bottom-color: var(--accent);
}

/* ---- Profile photo --------------------------------------- */
img.floatpic {
  width: 33%;
  border-radius: 14px;
  border: 3px solid #fff;
  box-shadow: 0 6px 22px rgba(0, 0, 0, .14);
  transition: transform .25s ease, box-shadow .25s ease;
}
img.floatpic:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, .20);
}

/* ---- Research-interest list ({: .interests}) ------------- */
.interests {
  list-style: none;
  padding: 0;
  margin: 1em 0 0;
}
.interests li {
  position: relative;
  padding: .22em 0 .22em 1.5em;
}
.interests li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ---- News timeline ({: .news}) --------------------------- */
.news {
  list-style: none;
  padding: 0;
  margin: 1.3em 0 0;
}
.news li {
  position: relative;
  margin-left: .35em;
  padding: 0 0 1.15em 1.5em;
  border-left: 2px solid var(--rule);
}
.news li:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}
.news li::before {
  content: "";
  position: absolute;
  left: -7px;                  /* centre the 12px dot on the 2px rail */
  top: .35em;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--accent);
}
.news li strong:first-child {
  display: inline-block;
  min-width: 5.5em;
  font-family: 'PT Sans Narrow', sans-serif;
  letter-spacing: .3px;
  color: var(--accent-dark);
}

/* ---- Publication cards ({: .pubs}) ----------------------- */
.pubs {
  list-style: none;
  padding: 0;
  margin: 1.3em 0 0;
}
.pubs > li {
  margin-bottom: .9em;
  padding: .85em 1.05em;
  background: var(--card);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  line-height: 1.55;
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.pubs > li:hover {
  box-shadow: 0 6px 18px rgba(0, 0, 0, .08);
  transform: translateY(-2px);   /* lift (keeps the left edge aligned) */
  border-left-color: var(--accent-dark);
}
.pubs > li a {
  font-weight: 700;
}
.pubs em {
  color: var(--muted);
}

/* ---- Blockquote (notes / the closing poem) --------------- */
.article-wrap blockquote {
  border-left: 4px solid var(--accent);
  background: var(--card);
  padding: .75em 1.1em;
  border-radius: 0 6px 6px 0;
  color: var(--muted);
  font-style: italic;
}
.article-wrap blockquote p {
  color: var(--muted);
}

/* ---- Sidebar author bio ---------------------------------- */
.article-author-top img.bio-photo,
.article-author-bottom img.bio-photo {
  border: 3px solid #fff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .12);
}
.article-author-top a:hover,
.article-author-bottom a:hover {
  color: var(--accent);
}

/* ---- Small screens --------------------------------------- */
@media only screen and (max-width: 600px) {
  /* Un-float the portrait so the intro isn't squeezed into a gutter */
  img.floatpic {
    float: none;
    display: block;
    width: 58%;
    max-width: 210px;
    margin: 0 auto 1.2em;
  }
  .article-wrap h1 { font-size: 2rem; }
}