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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, sans-serif;
  background: #eaecf3;
  color: #0f172a;
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Header ── */
header {
  background: linear-gradient(135deg, #060b1d 0%, #0d1a3d 100%);
  padding: 1.6rem 0;
  margin-bottom: 2.5rem;
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.lab-logo {
  height: 72px;
  width: auto;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 12px rgba(0, 0, 0, 0.5));
}

.header-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.header-text h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #f1f5f9;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.lab-abbr {
  font-size: 0.75rem;
  font-weight: 700;
  color: #60a5fa;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lab-tagline {
  font-size: 0.85rem;
  color: #94a3b8;
  margin-top: 0.1rem;
}

/* ── Highlight toggle ── */
.highlight-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid #f1f5f9;
  margin-bottom: 0.1rem;
}

.highlight-toggle {
  padding: 0.3rem 1rem;
  border: 1.5px solid #f59e0b;
  border-radius: 999px;
  background: #fff;
  color: #b45309;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.18s ease;
  letter-spacing: 0.02em;
}

.highlight-toggle:hover {
  background: #fef3c7;
}

.highlight-toggle.active {
  background: #f59e0b;
  border-color: #f59e0b;
  color: #fff;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.35);
}

.highlight-desc {
  font-size: 0.72rem;
  color: #94a3b8;
  letter-spacing: 0.01em;
}

/* ── Filter panel ── */
.filter-panel {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 2rem;
  background: #fff;
  border-radius: 12px;
  padding: 1rem 1.1rem;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.filter-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.filter-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #94a3b8;
  white-space: nowrap;
  padding-top: 0.32rem;
  min-width: 3.2rem;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.filter-btn {
  padding: 0.26rem 0.8rem;
  border: 1.5px solid #e2e8f0;
  border-radius: 999px;
  background: #f8fafc;
  color: #64748b;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  line-height: 1.4;
}

.filter-btn:hover {
  border-color: #3b82f6;
  color: #2563eb;
  background: #eff6ff;
}

.filter-btn.active {
  background: #1d4ed8;
  border-color: #1d4ed8;
  color: #fff;
  box-shadow: 0 2px 8px rgba(29, 78, 216, 0.3);
}

/* ── Sections ── */
.project-section {
  margin-bottom: 3rem;
}

.section-heading {
  font-size: 0.78rem;
  font-weight: 700;
  color: #1e3a8a;
  padding: 0.45rem 0.9rem;
  border-left: 4px solid #3b82f6;
  margin-bottom: 1.4rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: linear-gradient(90deg, #eff6ff 0%, transparent 100%);
  border-radius: 0 6px 6px 0;
}

/* ── Grid ── */
.project-grid,
.section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  padding-bottom: 0.5rem;
}

/* ── Card ── */
.project-card {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06), 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.project-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.09), 0 20px 52px rgba(0, 0, 0, 0.13);
  transform: translateY(-5px);
}

.project-card.hidden {
  display: none;
}

/* ── Teaser ── */
.card-teaser {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #0f172a;
  position: relative;
}

.card-teaser img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ── Card body ── */
.card-body {
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}

/* ── Meta badges ── */
.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.17rem 0.52rem;
  border-radius: 5px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Venue badges – default then overrides */
.badge-venue {
  color: #fff;
  background: #64748b;
}
.badge-cvpr, .badge-iccv, .badge-eccv   { background: #1d4ed8; }
.badge-cvprfindings, .badge-iccvfindings, .badge-eccvfindings { background: #3b6fd4; }
.badge-neurips, .badge-icml, .badge-iclr { background: #7c3aed; }
.badge-vlsi, .badge-isscc, .badge-cicc,
.badge-esserc, .badge-iccad, .badge-aspdac, .badge-jssc,
.badge-tvlsi { background: #0891b2; }
.badge-icra, .badge-iros, .badge-ral    { background: #059669; }
.badge-ndss, .badge-sp, .badge-ccs      { background: #dc2626; }
.badge-mmsports                          { background: #d97706; }
.badge-sensorsj                          { background: #0d9488; }

/* Status badges */
.badge-status {
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.72rem;
  border-radius: 999px;
  padding: 0.17rem 0.62rem;
}
.badge-published   { background: #dcfce7; color: #166534; }
.badge-accepted    { background: #dbeafe; color: #1e40af; }
.badge-under-review { background: #fef9c3; color: #854d0e; }
.badge-preprint    { background: #ffedd5; color: #9a3412; }

/* ── Card title ── */
.card-title {
  font-size: 0.96rem;
  font-weight: 700;
  line-height: 1.45;
  color: #0f172a;
  letter-spacing: -0.01em;
}

/* ── Authors ── */
.card-authors {
  font-size: 0.82rem;
  color: #64748b;
  line-height: 1.5;
}
.card-authors strong {
  color: #1e40af;
  font-weight: 600;
}

/* ── Description ── */
.card-description {
  font-size: 0.84rem;
  color: #475569;
  line-height: 1.65;
}

.card-description-ja {
  font-size: 0.8rem;
  color: #64748b;
  line-height: 1.7;
  flex: 1;
  padding-top: 0.4rem;
  border-top: 1px dashed #e2e8f0;
  font-feature-settings: "palt";
}

/* ── Tags ── */
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.28rem;
}
.tag {
  display: inline-block;
  padding: 0.11rem 0.48rem;
  background: #f1f5f9;
  color: #475569;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 500;
  border: 1px solid #e2e8f0;
}

/* ── Link badges ── */
.card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.38rem;
  margin-top: auto;
  padding-top: 0.2rem;
}

.link-badge {
  display: inline-flex;
  border-radius: 5px;
  overflow: hidden;
  text-decoration: none;
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
  transition: filter 0.15s, transform 0.15s;
}
.link-badge:hover {
  filter: brightness(0.87);
  transform: translateY(-1px);
}

.badge-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  padding: 0 5px;
  height: 21px;
}
.badge-icon svg {
  width: 12px;
  height: 12px;
  fill: #fff;
  flex-shrink: 0;
}
.badge-label {
  display: inline-flex;
  align-items: center;
  padding: 0 7px;
  height: 21px;
  color: #fff;
  white-space: nowrap;
}

.link-paper  .badge-icon  { background: #991b1b; }
.link-paper  .badge-label { background: #b91c1c; }
.link-arxiv  .badge-icon  { background: #991b1b; }
.link-arxiv  .badge-label { background: #b91c1c; }
.link-code   .badge-icon  { background: #111827; }
.link-code   .badge-label { background: #1f2937; }
.link-project .badge-icon  { background: #1d4ed8; }
.link-project .badge-label { background: #2563eb; }
.link-slides .badge-icon  { background: #c2410c; }
.link-slides .badge-label { background: #ea580c; }
.link-poster .badge-icon  { background: #6d28d9; }
.link-poster .badge-label { background: #7c3aed; }
.link-video  .badge-icon  { background: #b91c1c; }
.link-video  .badge-label { background: #dc2626; }
.link-press  .badge-icon  { background: #0369a1; }
.link-press  .badge-label { background: #0284c7; }

/* ── Highlighted card accent ── */
.project-card[data-highlight="true"] {
  border-top: 3px solid #f59e0b;
}

/* ── Footer ── */
footer {
  background: #060b1d;
  color: #64748b;
  padding: 1.5rem 0;
  margin-top: 2.5rem;
  font-size: 0.85rem;
}
footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
footer a {
  color: #60a5fa;
  text-decoration: none;
}
footer a:hover {
  color: #93c5fd;
  text-decoration: underline;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .section-grid, .project-grid { grid-template-columns: 1fr; }
  .header-text h1 { font-size: 1.15rem; }
  .lab-logo { height: 52px; }
  footer .container { justify-content: center; text-align: center; }
}