:root {
  --direct: #1565C0;
  --concise: #2E7D32;
  --deep: #E65100;
  --adaptive: #6A1B9A;
  --direct-bg: #e3f0fc;
  --concise-bg: #e6f4e7;
  --deep-bg: #fdeee3;
  --adaptive-bg: #f3e8f8;
  --ink: #363636;
  --muted: #6b7280;
  --line: #e5e7eb;
  --soft: #f6f7f9;
  --good: #1b7a2f;
  --bad: #b3261e;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 64px;
}

body {
  font-family: 'Noto Sans', sans-serif;
  color: var(--ink);
}

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

.publication-authors a {
  color: hsl(204, 86%, 53%) !important;
}

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

.author-block {
  display: inline-block;
}

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

.link-block .button.is-soon {
  opacity: 0.55;
  cursor: default;
  pointer-events: none;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(160%) blur(8px);
  -webkit-backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.navbar.is-scrolled {
  border-bottom-color: var(--line);
}

.navbar-start.is-centered-nav {
  flex-grow: 1;
  justify-content: center;
}

.navbar-item.section-link {
  font-size: 0.95rem;
  color: #4a4a4a;
}

.navbar-item.section-link.is-current {
  color: #3273dc;
  font-weight: 600;
}

.animated-gradient-title {
  background-image: linear-gradient(to right, var(--direct), #209cee, var(--concise), var(--deep), var(--adaptive), var(--direct));
  background-size: 300% auto;
  color: transparent;
  background-clip: text;
  -webkit-background-clip: text;
  animation: gradient-animation 6s linear infinite;
  display: inline-block;
  vertical-align: middle;
}

@keyframes gradient-animation {
  0% { background-position: 0% center; }
  50% { background-position: 100% center; }
  100% { background-position: 0% center; }
}

.title-icon-image {
  height: 1em;
  width: auto;
  vertical-align: middle;
  margin-left: 10px;
  display: inline-block;
  animation: wobble 2.4s ease-in-out infinite;
}

@keyframes wobble {
  0%, 100% { transform: rotate(0deg) scale(1); }
  25% { transform: rotate(-6deg) scale(1.08); }
  75% { transform: rotate(6deg) scale(0.94); }
}

.venue {
  color: #f41c1c;
  font-weight: 700;
}

.figure-box {
  margin: 10px 0;
  text-align: center;
}

.figure-box img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 6px;
  cursor: zoom-in;
}

.figure-caption {
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 0.6rem;
  text-align: center;
}

.section-divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(to right, var(--direct), var(--concise), var(--deep));
  border-radius: 2px;
  margin: 0 auto 1.5rem auto;
}

.section.is-tinted {
  background-color: #fafbfc;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .fade-in { opacity: 1; transform: none; transition: none; }
  .animated-gradient-title, .title-icon-image { animation: none; }
  html { scroll-behavior: auto; }
}

.highlight-card {
  border-radius: 12px;
  padding: 1.5rem 1rem;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  height: 100%;
}

.highlight-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.highlight-card .stat-number {
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 0.3rem;
}

.highlight-card .stat-label {
  font-size: 0.95rem;
  font-weight: 600;
  opacity: 0.9;
}

.highlight-card .stat-detail {
  font-size: 0.8rem;
  margin-top: 0.4rem;
  opacity: 0.75;
}

.card-direct { background: linear-gradient(135deg, #eaf3fd, #d3e6fb); color: #0d4a8f; }
.card-concise { background: linear-gradient(135deg, #ecf7ec, #d5eed6); color: #1d5b22; }
.card-deep { background: linear-gradient(135deg, #fff2e8, #fddcc4); color: #9a3a00; }
.card-adaptive { background: linear-gradient(135deg, #f6ecfa, #e8d4f2); color: #4f1473; }

.mode-tag {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 700;
  font-size: 0.92em;
  white-space: nowrap;
}

.mode-tag.direct { color: var(--direct); }
.mode-tag.concise { color: var(--concise); }
.mode-tag.deep { color: var(--deep); }
.mode-tag.adaptive { color: var(--adaptive); }

.mode-card {
  border-radius: 12px;
  padding: 1.4rem 1.3rem;
  height: 100%;
  border-top: 5px solid;
}

.mode-card.direct { border-color: var(--direct); background: var(--direct-bg); }
.mode-card.concise { border-color: var(--concise); background: var(--concise-bg); }
.mode-card.deep { border-color: var(--deep); background: var(--deep-bg); }

.mode-card .mode-name {
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.mode-card.direct .mode-name { color: var(--direct); }
.mode-card.concise .mode-name { color: var(--concise); }
.mode-card.deep .mode-name { color: var(--deep); }

.mode-card .mode-example {
  font-size: 0.88rem;
  margin-top: 0.8rem;
  padding-top: 0.7rem;
  border-top: 1px dashed rgba(0, 0, 0, 0.15);
  color: #4a4a4a;
}

.slot-row {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 6px;
  margin: 1rem 0 0.4rem;
}

.slot {
  border-radius: 8px;
  padding: 0.55rem 0.2rem;
  text-align: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  font-weight: 700;
}

.slot small {
  display: block;
  font-family: 'Noto Sans', sans-serif;
  font-weight: 500;
  font-size: 0.68rem;
  opacity: 0.75;
}

.slot.direct { background: var(--direct-bg); color: var(--direct); }
.slot.concise { background: var(--concise-bg); color: var(--concise); }
.slot.deep { background: var(--deep-bg); color: var(--deep); }
.slot.adaptive { background: var(--adaptive-bg); color: var(--adaptive); }

.slot-legend {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

.slot-legend span {
  border-top: 2px solid var(--line);
  padding-top: 0.25rem;
}

@media screen and (max-width: 600px) {
  .slot-row { grid-template-columns: repeat(4, 1fr); }
  .slot-legend { grid-template-columns: 1fr; }
}

.box-gray {
  background-color: var(--soft);
  border-radius: 10px;
  padding: 1.4rem;
  height: 100%;
  overflow-x: auto;
}

@media screen and (max-width: 600px) {
  .box-gray { padding: 1rem 0.8rem; }
  .mini-table { font-size: 0.78rem; }
}

.reward-group {
  border-radius: 10px;
  padding: 1rem 1.1rem;
  height: 100%;
  background: var(--soft);
  border-left: 4px solid #b5b5b5;
}

.reward-group.g1 { border-left-color: #7a869a; }
.reward-group.g2 { border-left-color: var(--concise); }
.reward-group.g3 { border-left-color: var(--adaptive); }

.reward-group h4 {
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.reward-group .terms {
  font-family: 'Times New Roman', serif;
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.equation {
  font-family: 'Times New Roman', serif;
  font-size: 1.25rem;
  text-align: center;
  margin: 1rem 0;
  padding: 0.9rem;
  background: var(--soft);
  border-radius: 8px;
  overflow-x: auto;
  white-space: nowrap;
}

.tabs.is-toggle a {
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}

.results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}

.results-table th,
.results-table td {
  padding: 0.5rem 0.65rem;
  text-align: center;
  white-space: nowrap;
  border-bottom: 1px solid #f0f1f3;
}

.results-table thead th {
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  font-weight: 700;
  background: #fafafa;
  border-bottom: 2px solid var(--line);
}

.results-table th:first-child,
.results-table td:first-child {
  text-align: left;
  position: sticky;
  left: 0;
  background: #fff;
  z-index: 1;
}

.results-table thead th:first-child {
  background: #fafafa;
  z-index: 2;
}

.results-table tr.group-row td {
  font-style: italic;
  font-size: 0.8rem;
  color: var(--muted);
  background: #fff8ef;
  text-align: left;
  padding-top: 0.3rem;
  padding-bottom: 0.3rem;
}

.results-table tr.base-row td {
  color: #555;
  background: #fbfbfb;
}

.results-table tr.ours td {
  background: #eef3ff;
  font-weight: 600;
}

.results-table .best {
  font-weight: 800;
}

.results-table .delta {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1.1;
}

.results-table .delta.up { color: var(--good); }
.results-table .delta.down { color: var(--bad); }
.results-table .delta.flat { color: #9ca3af; }

.table-note {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 0.6rem;
}

.mini-table {
  width: 100%;
  font-size: 0.84rem;
  font-variant-numeric: tabular-nums;
  border-collapse: collapse;
}

.mini-table th,
.mini-table td {
  padding: 0.32rem 0.4rem;
  text-align: center;
  border-bottom: 1px solid #e8e8ea;
}

.mini-table th {
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  font-weight: 700;
  border-bottom: 2px solid #d9dadd;
}

.mini-table th:first-child,
.mini-table td:first-child {
  text-align: left;
}

.mini-table tr.ours td {
  background: #e8efff;
  font-weight: 700;
}

.mini-table .best {
  font-weight: 800;
}

.card-note {
  font-size: 0.82rem;
  color: #555;
  margin-top: 0.7rem;
}

.mode-dist-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  align-items: center;
  gap: 10px;
  margin-bottom: 7px;
}

.mode-dist-label {
  font-size: 0.88rem;
  text-align: right;
  white-space: nowrap;
}

.mode-dist-bar {
  display: flex;
  height: 26px;
  border-radius: 6px;
  overflow: hidden;
  background: #eee;
}

.mode-dist-bar span {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.74rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  width: 0;
  transition: width 0.9s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.mode-dist-bar .d { background: var(--direct); }
.mode-dist-bar .c { background: var(--concise); }
.mode-dist-bar .p { background: var(--deep); }

.mode-dist-legend {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.mode-dist-legend i {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  margin-right: 6px;
  vertical-align: -1px;
}

@media screen and (max-width: 600px) {
  .mode-dist-row { grid-template-columns: 96px 1fr; }
  .mode-dist-label { font-size: 0.78rem; }
}

.qual-caption {
  font-size: 0.95rem;
  margin-top: 0.8rem;
}

.pill {
  display: inline-block;
  padding: 0.1rem 0.55rem;
  border-radius: 20px;
  font-size: 0.74rem;
  font-weight: 700;
  margin-right: 0.35rem;
  vertical-align: 1px;
}

.pill.ok { background: #e6f4e7; color: var(--good); }
.pill.miss { background: #fdecea; color: var(--bad); }

.bibtex-wrap {
  position: relative;
}

.bibtex-wrap pre {
  border-radius: 8px;
  font-size: 0.85rem;
}

.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 12, 0.88);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 2rem;
  cursor: zoom-out;
}

.lightbox.is-open {
  display: flex;
}

.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: 6px;
  background: #fff;
}

.footer {
  padding: 2rem 1.5rem 3rem;
}