/* ── HAI·L lab page: additions on top of ../css/style.css ──── */

a.nav-name { color: var(--text); }
a.nav-name:hover { color: var(--accent); }

/* ── Welcome ─────────────────────────────────────────────── */
#welcome {
  padding: 52px 0 36px;
}

.lab-name {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.25;
  margin-bottom: 20px;
}

.lab-short { color: var(--accent); }

.lab-vision {
  font-size: 18px;
  line-height: 1.65;
  color: var(--text);
  border-left: 4px solid var(--accent);
  padding: 2px 0 2px 16px;
}

/* ── Research ────────────────────────────────────────────── */
.thrust { margin-bottom: 30px; }

.thrust-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.thrust-head h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
}

.thrust-num {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.thrust-summary {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 14px;
}

.paper-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.paper-card {
  display: block;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  transition: border-color .15s, box-shadow .15s;
}
a.paper-card:hover {
  color: var(--text);
  border-color: #c5d9f5;
  box-shadow: 0 2px 10px rgba(23, 114, 208, 0.10);
}

.paper-thumb {
  aspect-ratio: 16 / 10;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}
.paper-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.paper-venue {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  padding: 8px 10px 0;
  line-height: 1.3;
}

.paper-title {
  font-size: 13px;
  line-height: 1.4;
  margin: 3px 10px 10px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.join-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.join-role {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 15px;
  line-height: 1.55;
}

.join-title {
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.join-title i { color: var(--accent); }

/* ── People ──────────────────────────────────────────────── */
.group-photo-placeholder {
  width: 130px;
  height: 130px;
  border-radius: 10px;
  margin: 0 auto 10px;
  background: var(--bg-alt);
  border: 1.5px dashed #c8c8c8;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #b0b0b0;
  font-size: 30px;
}

a.join-card { color: var(--muted); display: block; }
a.join-card:hover { color: var(--accent); }
a.join-card:hover .group-photo-placeholder {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Join Us ─────────────────────────────────────────────── */
.join-role p { margin-bottom: 8px; }

.join-subject {
  font-size: 13px;
  color: var(--muted);
}
.join-subject code {
  font-size: 12.5px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  white-space: nowrap;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 680px) {
  #welcome { padding: 34px 0 30px; }
  .lab-name { font-size: 29px; }
  .lab-vision { font-size: 16.5px; }

  .paper-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .join-grid { grid-template-columns: 1fr; }

  .group-photo-placeholder { width: 110px; height: 110px; }
}

@media (max-width: 440px) {
  .lab-name { font-size: 26px; }
  .join-subject code { white-space: normal; }
}