/* ======================================================
   TAPNext++ Project Page — Custom Styles
   ====================================================== */

/* ── Base ─────────────────────────────────────────── */
body {
  font-family: 'Noto Sans', sans-serif;
  color: #222;
}

/* ── Typography ───────────────────────────────────── */
.publication-title {
  font-family: 'Google Sans', sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.publication-authors {
  font-family: 'Google Sans', sans-serif;
}

.publication-authors a {
  color: hsl(204, 86%, 45%);
  font-weight: 500;
}

.publication-authors a:hover {
  text-decoration: underline;
}

.publication-venue {
  color: #555;
}

.publication-awards {
  color: #ff3860;
}

.author-block {
  display: inline;
}

.link-block a {
  margin-top: 5px;
  margin-bottom: 5px;
}

/* Small caps for paper name styling */
.dnerf {
  font-variant: small-caps;
}

/* ── Section title accent ─────────────────────────── */
.title.is-3 {
  position: relative;
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem !important;
}

.title.is-3::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, #4286f4, #7ab3f7);
  border-radius: 2px;
  margin: 0.45rem auto 0;
}

/* ── Navbar ───────────────────────────────────────── */
.navbar {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border-bottom: 1px solid #eee;
  background: #fff;
}

.navbar-item img {
  max-height: 2rem;
}

/* ── Conference/Award badge ───────────────────────── */
.conf {
  font-family: 'Google Sans', sans-serif;
  font-size: 20px;
  font-weight: bold;
  color: #DAA520;
  text-shadow: 1px 0px 1px #1616165e;
  padding: 5px 14px;
  border: 2px solid #DAA520;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  background-color: rgba(218, 165, 32, 0.1);
  letter-spacing: 0.02em;
}

.conf::after {
  content: '\1F3C6';
  margin-left: 8px;
  font-size: 22px;
  text-shadow: none;
}

/* ── Hero section ─────────────────────────────────── */
.hero {
  background: #fff;
}

.hero .hero-body {
  padding-bottom: 2rem;
}

/* ── Teaser video ─────────────────────────────────── */
.teaser video {
  display: block;
  margin: 0 auto;
  border-radius: 12px;
  box-shadow: 0 6px 32px rgba(66, 134, 244, 0.18);
}

/* ── Publication video (16:9 ratio) ──────────────── */
.publication-video {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
  overflow: hidden;
  border-radius: 12px;
  margin-bottom: 10px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.10);
}

.publication-video video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ── Sections ─────────────────────────────────────── */
section.section {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.alt-bg {
  background-color: #f5f5f5 !important;
}

section.section.alt-bg,
section.section[style*="background-color: #fafafa"],
section.section[style*="background-color:#fafafa"] {
  background-color: #f5f5f5 !important;
}

/* ── Contribution cards ───────────────────────────── */
.contribution-card {
  background: #fff;
  border-left: 4px solid #4286f4;
  border-radius: 8px;
  padding: 18px 22px;
  margin-bottom: 16px;
  text-align: left;
  box-shadow: 0 2px 10px rgba(66, 134, 244, 0.09);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.contribution-card:hover {
  box-shadow: 0 6px 20px rgba(66, 134, 244, 0.16);
  transform: translateY(-1px);
}

.contribution-card .card-title {
  font-family: 'Google Sans', sans-serif;
  font-weight: 700;
  font-size: 1.05em;
  color: #1a1a2e;
  margin-bottom: 7px;
}

.contribution-card .card-body {
  font-size: 0.95em;
  color: #4a4a6a;
  line-height: 1.6;
}

/* ── Metric highlight boxes ───────────────────────── */
.metric-box {
  border: none;
  border-radius: 12px;
  padding: 20px 22px;
  text-align: center;
  margin: 8px;
  background: linear-gradient(135deg, #f0f6ff 0%, #e8f0fe 100%);
  box-shadow: 0 2px 12px rgba(66, 134, 244, 0.14);
  transition: box-shadow 0.2s, transform 0.2s;
  min-width: 120px;
}

.metric-box:hover {
  box-shadow: 0 6px 22px rgba(66, 134, 244, 0.22);
  transform: translateY(-2px);
}

.metric-box .metric-value {
  font-size: 2.4em;
  font-weight: 800;
  color: #2a6df5;
  font-family: 'Google Sans', sans-serif;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.metric-box .metric-label {
  font-size: 0.82em;
  color: #5a6a8a;
  margin-top: 6px;
  line-height: 1.4;
}

/* ── Carousel ─────────────────────────────────────── */
.results-carousel {
  overflow: hidden;
}

.results-carousel .item {
  margin: 6px;
  overflow: hidden;
  border: none;
  border-radius: 12px;
  padding: 0;
  font-size: 0;
  box-shadow: 0 3px 14px rgba(0, 0, 0, 0.10);
}

.results-carousel video {
  margin: 0;
  width: 100%;
}

/* ── Comparison table videos ──────────────────────── */
.comparison-video {
  width: 100%;
  border-radius: 8px;
}

.comparison-table td {
  padding: 4px;
  vertical-align: top;
}

.comparison-table th {
  text-align: center;
  font-weight: 600;
  padding: 4px 8px;
  font-size: 0.9em;
}

/* ── Section divider ──────────────────────────────── */
.section-divider {
  border: none;
  border-top: 1px solid #e8e8e8;
  margin: 1rem 0;
}

/* ── Results table ────────────────────────────────── */
.results-table {
  font-size: 0.87em;
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
}

.results-table thead tr:first-child th {
  background-color: #2a6df5;
  color: #fff;
  font-weight: 700;
  padding: 9px 10px;
}

.results-table thead tr:nth-child(2) th {
  background-color: #4a8af8;
  color: #fff;
  font-weight: 600;
  padding: 7px 8px;
}

.results-table td {
  text-align: center;
  padding: 7px 10px;
  border-bottom: 1px solid #eef1f7;
  background: #fff;
}

.results-table tr:nth-child(even) td {
  background: #f7f9fc;
}

.results-table tr:last-child td {
  border-bottom: none;
}

.results-table tr.ours-row td {
  background: linear-gradient(90deg, #fff5e6, #fffbe6) !important;
}

.results-table .method-name {
  text-align: left;
  font-weight: 500;
}

.results-table .best {
  font-weight: 700;
  color: #c0392b;
}

.results-table .second-best {
  font-weight: 400;
  text-decoration: underline;
}

/* ── Video label ──────────────────────────────────── */
.video-label {
  font-size: 0.85em;
  color: #666;
  text-align: center;
  margin-top: 8px;
  font-style: italic;
}

/* ── Tab selector ─────────────────────────────────── */
.video-tabs {
  margin-bottom: 16px;
}

.tabs a {
  font-family: 'Google Sans', sans-serif;
  font-weight: 500;
  color: #555;
  border-bottom-color: #ddd;
  transition: color 0.15s;
}

.tabs li.is-active a {
  color: #2a6df5;
  border-bottom-color: #2a6df5;
  font-weight: 700;
}

/* ── BibTeX block ─────────────────────────────────── */
pre {
  background: #f5f7fb !important;
  border-radius: 10px !important;
  padding: 20px !important;
  font-size: 0.87em !important;
  line-height: 1.6 !important;
  text-align: left;
  border: 1px solid #e0e6f0;
  box-shadow: inset 0 1px 4px rgba(0,0,0,0.04);
}

/* ── Footer ───────────────────────────────────────── */
.footer {
  background: #f5f5f5;
  border-top: 1px solid #e0e0e0;
}

.footer .icon-link {
  font-size: 25px;
  color: #000;
}

.footer .icon-link:hover {
  color: #3273dc;
}

/* ── Interpolation image ──────────────────────────── */
.interpolation-image {
  width: 100%;
  border-radius: 8px;
}

/* ── Dataset tag badges ───────────────────────────── */
.dataset-tag {
  display: inline-block;
  background: #e8f0fd;
  color: #1a73e8;
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.8em;
  font-weight: 600;
  margin: 2px;
}

/* ── DAVIS compact grid ───────────────────────────── */
.davis-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .davis-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 600px) {
  .davis-grid { grid-template-columns: repeat(2, 1fr); }
}

.davis-cell video {
  width: 100%;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.10);
  display: block;
}

.davis-cell .video-label {
  font-size: 0.75em;
  margin-top: 4px;
  margin-bottom: 0;
}

/* ── Video grid ───────────────────────────────────── */
.video-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.video-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.video-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 12px;
}

@media (max-width: 768px) {
  .video-grid-2,
  .video-grid-3 {
    grid-template-columns: 1fr;
  }
  .video-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.video-cell {
  text-align: center;
}

.video-cell video {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.10);
}

.video-cell .method-label {
  font-size: 0.85em;
  font-weight: 600;
  margin-top: 5px;
  color: #444;
}

.video-cell .method-label.ours {
  color: #c0392b;
}

/* ── Strength groups (Qualitative Comparison) ─────── */
.strength-group {
  border-top: 1px solid #e0e6f0;
  padding-top: 1.8rem;
}

.strength-group:first-child {
  border-top: none;
  padding-top: 0;
}

.strength-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 0.6rem;
}

.strength-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2a6df5, #4286f4);
  color: #fff;
  font-family: 'Google Sans', sans-serif;
  font-weight: 700;
  font-size: 0.95em;
  flex-shrink: 0;
}

.strength-title {
  margin-bottom: 0 !important;
  padding-bottom: 0 !important;
}

.strength-title::after {
  display: none !important;
}

/* ── Model Comparison ─────────────────────────────── */
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 0 auto;
}

@media (max-width: 700px) {
  .comparison-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.comp-cell {
  background: #fff;
  border-radius: 8px;
  padding: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  text-align: center;
  border: 2px solid transparent;
}

.comp-cell.ours {
  border-color: #c0392b;
  box-shadow: 0 2px 10px rgba(192, 57, 43, 0.18);
}

.comp-label {
  font-family: 'Google Sans', sans-serif;
  font-size: 0.75em;
  font-weight: 600;
  color: #555;
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.comp-label.ours {
  color: #c0392b;
}

.comp-cell video {
  width: 100%;
  border-radius: 6px;
  display: block;
}

.comp-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 1;
  background: #f7f9fc;
  border-radius: 6px;
  border: 2px dashed #d4dded;
  color: #aaa;
  font-size: 0.75em;
  gap: 5px;
}

.comp-placeholder-icon {
  font-size: 1.4em;
  color: #ccc;
}