@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,600;9..144,700&family=IBM+Plex+Sans:wght@300;400;500;600&display=swap");

:root {
  --bg: #f7f1e8;
  --panel: #fffdf8;
  --ink: #1f1d1a;
  --muted: #5b5145;
  --accent: #d1492a;
  --accent-dark: #9f3320;
  --accent-light: rgba(209, 73, 42, 0.1);
  --border: rgba(78, 61, 50, 0.15);
  --shadow: 0 18px 40px rgba(31, 29, 26, 0.08);
  --shadow-hover: 0 24px 48px rgba(31, 29, 26, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #fff8f0 0%, var(--bg) 40%, #ede5dc 100%);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: -50vh -30vw auto auto;
  width: 70vw;
  height: 70vw;
  background: radial-gradient(circle, rgba(209, 73, 42, 0.1), transparent 70%);
  z-index: -1;
  pointer-events: none;
}

.page {
  max-width: 1000px;
  margin: 0 auto;
  padding: 56px 24px 80px;
}

.hero {
  background: linear-gradient(135deg, var(--panel) 0%, rgba(255, 245, 240, 0.8) 100%);
  border: 1px solid var(--border);
  border-radius: 26px;
  padding: 40px 40px 44px;
  box-shadow: var(--shadow);
  margin-bottom: 36px;
  animation: fadeUp 0.6s ease-out;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 40%;
  height: 40%;
  background: radial-gradient(circle, rgba(209, 73, 42, 0.08), transparent);
  border-radius: 50%;
  z-index: 0;
}

.hero > * {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.75rem;
  display: inline-block;
}

h1 {
  margin: 0;
  font-family: "Fraunces", "Times New Roman", serif;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--ink);
  text-align: center;
}

.stochastic-title {
  cursor: default;
}

.inline-token-seq {
  display: inline-flex;
  gap: 3px;
  vertical-align: middle;
  margin-left: 2px;
  flex-wrap: wrap;
}

.inline-token-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 18px;
  padding: 0 5px;
  border-radius: 4px;
  border: 1px solid rgba(16, 24, 32, 0.28);
  background: rgba(66, 133, 244, 0.12);
  color: #101820;
  font-size: 0.78rem;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-weight: 600;
  line-height: 1.1;
}

.title-word {
  display: inline-block;
}

.title-letter {
  display: inline-block;
  transition: color 120ms ease;
}

.title-segment {
  transition: color 120ms ease;
}

.title-segment-chunk {
  display: inline;
}

.subtitle {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 60ch;
  line-height: 1.6;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.authors {
  margin: 22px 0 6px;
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--ink);
  text-align: center;
  line-height: 1.45;
}

.authors sup {
  font-size: 0.62em;
  vertical-align: super;
  margin-left: 1px;
}

.author-profile-link {
  color: #2e8ed8;
  text-decoration: none;
}

.author-profile-link:link,
.author-profile-link:visited,
.author-profile-link:active {
  color: #2e8ed8;
}

.author-profile-link:hover {
  color: #2e8ed8;
}

.affiliations {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
  text-align: center;
}

.affiliations sup {
  font-size: 0.72em;
  vertical-align: super;
}

.affiliations.corresponding {
  margin-top: -14px;
  margin-bottom: 24px;
  font-size: 0.88rem;
}

.affiliations.corresponding a {
  color: #2e8ed8;
  text-decoration: none;
}

.affiliations.corresponding a:hover {
  color: #1f75bc;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 22px;
  border-radius: 999px;
  border: 1.5px solid var(--border);
  background: linear-gradient(135deg, #fff2e5, #fffaf5);
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  gap: 8px;
}

.btn-icon {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(31, 29, 26, 0.12);
  border-color: var(--accent);
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), #e8523a);
  color: #fff7f0;
  border-color: transparent;
  box-shadow: 0 8px 16px rgba(209, 73, 42, 0.25);
}

.btn.primary:hover {
  box-shadow: 0 12px 28px rgba(209, 73, 42, 0.35);
}

.section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 22px;
  padding: 32px 28px;
  margin-top: 24px;
  box-shadow: 0 12px 24px rgba(31, 29, 26, 0.06);
  animation: fadeUp 0.6s ease-out;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.section:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.section-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  font-weight: 600;
}

h2 {
  margin: 0 0 14px;
  font-family: "Fraunces", "Times New Roman", serif;
  font-size: 1.45rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.3;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--ink);
}

p {
  margin: 0 0 12px;
  color: var(--ink);
  line-height: 1.7;
  font-size: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

.bullets {
  margin: 12px 0 0;
  padding-left: 20px;
  color: var(--ink);
}

.bullets li {
  margin-bottom: 10px;
  line-height: 1.7;
}

.subsection {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.subsection:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.figure {
  margin-top: 20px;
  margin-bottom: 6px;
}

.figure-frame {
  border-radius: 20px;
  border: 2px solid var(--border);
  background: #ffffff;
  padding: 40px 32px;
  text-align: center;
  color: var(--muted);
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.figure-frame::before {
  content: none;
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(209, 73, 42, 0.08), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.figure-frame:hover {
  border-color: var(--accent);
  box-shadow: 0 12px 32px rgba(209, 73, 42, 0.15);
  transform: translateY(-4px);
}

.figure-frame:hover::before {
  opacity: 1;
}

.caption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.6;
  font-style: italic;
}

.bibtex {
  background: linear-gradient(135deg, #1f1d1a 0%, #2a2520 100%);
  color: #f5ede0;
  padding: 20px 24px;
  border-radius: 16px;
  border: 1px solid rgba(209, 73, 42, 0.3);
  overflow-x: auto;
  font-size: 0.9rem;
  font-family: "Menlo", "Monaco", monospace;
  line-height: 1.6;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.2);
}

.problem-highlight {
  background: linear-gradient(135deg, rgba(209, 73, 42, 0.08) 0%, rgba(255, 242, 229, 0.5) 100%);
  border-left: 6px solid var(--accent);
  border-top: 1px solid var(--border);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-highlight h2 {
  color: var(--accent-dark);
}

.problem-frame {
  background: #ffffff;
  border: 2px solid rgba(209, 73, 42, 0.25);
}

.problem-frame:hover {
  border-color: var(--accent);
  box-shadow: 0 12px 32px rgba(209, 73, 42, 0.2);
}

.rq-section h2 {
  display: flex;
  align-items: center;
  gap: 12px;
}

.rq-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 30px;
  padding: 0 10px;
  background: var(--accent);
  color: white;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.72rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.rq-1 {
  border-left-color: #d1492a;
}

.rq-1 .rq-number {
  background: #d1492a;
}

.rq-2 {
  border-left-color: #b8401f;
}

.rq-2 .rq-number {
  background: #b8401f;
}

.rq-3 {
  border-left-color: #9f3320;
}

.rq-3 .rq-number {
  background: #9f3320;
}

.rq-4 {
  border-left-color: #7a2618;
}

.rq-4 .rq-number {
  background: #7a2618;
}

.rq-frame {
  background: #ffffff;
  border: 1.5px solid rgba(209, 73, 42, 0.2);
}

.icl-table-wrap {
  padding: 22px 20px;
  overflow-x: auto;
}

.icl-table {
  width: min(760px, 100%);
  margin: 0 auto;
  border-collapse: collapse;
  font-size: 0.98rem;
  color: var(--ink);
  border: 1px solid rgba(78, 61, 50, 0.25);
  background: rgba(255, 255, 255, 0.86);
}

.icl-table th,
.icl-table td {
  padding: 8px 10px;
  border-bottom: 1px solid rgba(78, 61, 50, 0.18);
  text-align: center;
  white-space: nowrap;
}

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

.icl-table thead th {
  font-family: "Fraunces", "Times New Roman", serif;
  letter-spacing: 0.01em;
  background: rgba(209, 73, 42, 0.08);
}

.icl-table tbody tr:nth-child(even) td {
  background: rgba(91, 81, 69, 0.04);
}

.icl-table td:last-child {
  font-weight: 600;
}

.icl-table .method-group td {
  background: rgba(209, 73, 42, 0.12);
  border-top: 2px solid rgba(78, 61, 50, 0.28);
  border-bottom: 1px solid rgba(78, 61, 50, 0.28);
  font-weight: 700;
  text-align: left;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 720px) {
  .page {
    padding: 40px 18px 56px;
  }

  .hero {
    padding: 28px 24px 32px;
  }

  .section {
    padding: 24px 20px;
  }

  .hero-links {
    gap: 10px;
  }

  h1 {
    font-size: clamp(1.8rem, 5vw, 2.4rem);
  }

  .authors {
    font-size: 0.9rem;
  }

  h2 {
    font-size: 1.2rem;
  }

  .icl-table {
    font-size: 0.9rem;
  }

  .icl-table th,
  .icl-table td {
    padding: 7px 6px;
  }

  .figure-frame img {
    width: 96% !important;
    max-width: none !important;
  }
}