/* =========================================================
   Haonan Wang — site styles
   Global typography (Optima-led, matches ee.cityu.edu.hk/~alexyu)
   plus the clean .hw-home content style reused across pages.
   ========================================================= */

/* ---- Global font (site-wide) ---- */
:root {
  --hw-font: Optima, "Optima Nova", "Helvetica Neue", Candara, Calibri, "Segoe UI", Roboto, system-ui, -apple-system, BlinkMacSystemFont, "Droid Sans", Arial, sans-serif;
}

body,
h1, h2, h3, h4, h5, h6,
.page__title,
.archive__item-title,
.sidebar,
.author__name,
.author__bio,
.author__urls,
.author__urls a,
.greedy-nav,
.masthead,
button, input, select, textarea {
  font-family: var(--hw-font) !important;
}

/* Sidebar IEEE membership line under the bio */
.author__ieee {
  display: block;
  margin-top: 0.35em;
  font-size: 0.82em;
  color: #6b7280;
  line-height: 1.45;
}

/* Chinese name beside the English name in the sidebar */
.author__name-cn {
  font-size: 0.82em;
  font-weight: 400;
  color: #6b7280;
  margin-left: 0.3em;
  letter-spacing: 0.02em;
}

.page__title {
  text-align: left !important;
  font-size: 1.9em !important;
  border-bottom: none !important;
}

.hw-home {
  --hw-accent: #2563eb;
  --hw-accent-dark: #1d4ed8;
  --hw-ink: #1f2933;
  --hw-muted: #6b7280;
  --hw-border: #e5e7eb;
  --hw-bg-soft: #f7f8fa;
  font-size: 1rem;
}

/* ---- Reset garish blog-custom styles inside the homepage ---- */
.hw-home p {
  text-align: justify;
  text-justify: inter-word;
  margin-bottom: 1em;
  line-height: 1.75;
}

.hw-home h1,
.hw-home h2,
.hw-home h3 {
  color: var(--hw-ink);
  border-bottom: none;
  padding-bottom: 0;
  line-height: 1.3;
  font-weight: 700;
}

.hw-home h2 {
  display: flex;
  align-items: center;
  font-size: 1.4em;
  margin: 1.9em 0 0.7em;
  padding-bottom: 0.35em;
  border-bottom: 1px solid var(--hw-border);
  scroll-margin-top: 80px;
}

.hw-home h2::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 0.95em;
  margin-right: 0.55em;
  background: var(--hw-accent);
  border-radius: 2px;
}

.hw-home h3 {
  font-size: 1.12em;
  color: #374151;
  margin: 1.4em 0 0.5em;
}

.hw-home a {
  color: var(--hw-accent);
  border-bottom: none;
  text-decoration: none;
}

.hw-home a:hover {
  color: var(--hw-accent-dark);
  border-bottom: none;
  text-decoration: underline;
}

.hw-home hr {
  border: none;
  height: 1px;
  background: var(--hw-border);
  margin: 2.2em 0;
}

/* ---- Intro ---- */
.hw-home .hw-intro {
  font-size: 1.05em;
}

/* ---- Call-to-action row (CV + quick links) ---- */
.hw-home .hw-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55em;
  align-items: center;
  margin: 1.3em 0 0.4em;
}

.hw-home .hw-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  padding: 0.5em 1.05em;
  background: var(--hw-accent);
  color: #fff !important;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95em;
  text-decoration: none !important;
  border: 1px solid var(--hw-accent);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.hw-home .hw-btn:hover {
  background: var(--hw-accent-dark);
  border-color: var(--hw-accent-dark);
  color: #fff !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
  text-decoration: none !important;
}

.hw-home .hw-btn--ghost {
  background: #fff;
  color: var(--hw-accent) !important;
  border: 1px solid var(--hw-border);
}

.hw-home .hw-btn--ghost:hover {
  background: var(--hw-bg-soft);
  border-color: var(--hw-accent);
  color: var(--hw-accent-dark) !important;
  box-shadow: none;
}

/* ---- News feed ---- */
.hw-home .hw-news {
  list-style: none;
  margin: 0.4em 0 0;
  padding: 0;
}

.hw-home .hw-news li {
  display: flex;
  gap: 0.9em;
  margin: 0;
  padding: 0.55em 0;
  border-bottom: 1px dashed var(--hw-border);
  line-height: 1.6;
}

.hw-home .hw-news li:last-child {
  border-bottom: none;
}

.hw-home .hw-news .date {
  flex: 0 0 auto;
  min-width: 4.7em;
  padding-top: 0.05em;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 0.9em;
  color: var(--hw-accent);
}

.hw-home .hw-news .body {
  color: #374151;
}

/* ---- Clean lists (education / services / awards) ---- */
.hw-home .hw-list {
  list-style: none;
  margin: 0.4em 0 0;
  padding: 0;
}

.hw-home .hw-list > li {
  position: relative;
  margin: 0;
  padding: 0.5em 0 0.5em 1.1em;
  border-bottom: 1px solid var(--hw-border);
  line-height: 1.6;
}

.hw-home .hw-list > li:last-child {
  border-bottom: none;
}

.hw-home .hw-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--hw-accent);
}

.hw-home .hw-list .meta {
  color: var(--hw-muted);
  font-size: 0.92em;
}

.hw-home .hw-list .year {
  float: right;
  margin-left: 0.8em;
  color: var(--hw-muted);
  font-variant-numeric: tabular-nums;
  font-size: 0.9em;
}

/* ---- Publications ---- */
.hw-home .hw-pub {
  margin: 0;
  padding: 0.75em 0;
  border-bottom: 1px solid var(--hw-border);
}

.hw-home .hw-pub:last-of-type {
  border-bottom: none;
}

.hw-home .hw-pub .title {
  font-weight: 600;
  color: var(--hw-ink);
}

.hw-home .hw-pub .authors {
  color: #374151;
  font-size: 0.95em;
}

.hw-home .hw-pub .authors .me {
  font-weight: 700;
  color: var(--hw-ink);
}

.hw-home .hw-pub .venue {
  color: var(--hw-muted);
  font-style: italic;
  font-size: 0.92em;
}

.hw-home .hw-links {
  margin-top: 0.4em;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4em;
  align-items: center;
}

.hw-home .hw-links a {
  display: inline-block;
  padding: 0.08em 0.6em;
  font-size: 0.82em;
  font-weight: 600;
  color: var(--hw-accent) !important;
  background: var(--hw-bg-soft);
  border: 1px solid var(--hw-border);
  border-radius: 6px;
  text-decoration: none !important;
}

.hw-home .hw-links a:hover {
  background: var(--hw-accent);
  border-color: var(--hw-accent);
  color: #fff !important;
}

.hw-home .hw-links img {
  margin: 0;
  border-radius: 0;
  box-shadow: none;
  vertical-align: middle;
}

.hw-home .hw-status {
  display: inline-block;
  padding: 0.08em 0.6em;
  font-size: 0.78em;
  font-weight: 700;
  color: #b45309;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 6px;
}

/* ---- "see more" trailing links ---- */
.hw-home .hw-more {
  margin-top: 0.9em;
  font-size: 0.95em;
}

.hw-home .hw-more a {
  font-weight: 600;
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
  .hw-home .hw-news li {
    flex-direction: column;
    gap: 0.1em;
  }
  .hw-home .hw-news .date {
    min-width: 0;
  }
}

/* ---- Lead note on sub-pages ---- */
.hw-home .hw-note {
  color: var(--hw-muted);
  font-size: 0.95em;
  margin-bottom: 1.3em;
}

/* ---- Publications page: citation cards ---- */
.hw-home .hw-pub .cite {
  color: #374151;
  line-height: 1.65;
  text-align: justify;
  text-justify: inter-word;
}

/* Citation index label [J1] / [C1] / [B1] */
.hw-home .hw-pub .pub-id {
  font-weight: 700;
  color: var(--hw-accent);
  margin-right: 0.35em;
  font-variant-numeric: tabular-nums;
}

/* ---- Tame theme archive item titles when reused inside .hw-home
        (Research/Portfolio and CV publication/teaching loops) ---- */
.hw-home .archive__item-title {
  display: block;
  margin: 0.2em 0;
  padding-bottom: 0;
  font-size: 1.05em;
  font-weight: 600;
  border-bottom: none;
}
.hw-home .archive__item-title::before {
  display: none;
}
.hw-home .archive__item {
  margin-bottom: 0.4em;
}
.hw-home .archive__item-excerpt {
  color: #374151;
}