/* =====================================================
   OpenSage ADK — Cyber / Next-Gen Dark Theme
   ===================================================== */

:root {
  --cyber-bg:        #060610;
  --cyber-surface:   #0d0d1f;
  --cyber-surface2:  #111128;
  --cyber-border:    rgba(0, 212, 255, 0.18);
  --cyber-cyan:      #00d4ff;
  --cyber-purple:    #7b2ff7;
  --cyber-green:     #00ff88;
  --cyber-text:      #e2e8f0;
  --cyber-muted:     #8892a4;
  --cyber-glow-c:    0 0 20px rgba(0, 212, 255, 0.45);
  --cyber-glow-p:    0 0 20px rgba(123, 47, 247, 0.45);
  --cyber-grad:      linear-gradient(135deg, #00d4ff 0%, #7b2ff7 100%);
  --cyber-grad-bg:   linear-gradient(135deg, rgba(0,212,255,0.08) 0%, rgba(123,47,247,0.08) 100%);
}

/* ── Top Navigation Bar ── */
.adk-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(6, 6, 16, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--cyber-border);
  overflow: visible;
}

.adk-navbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.adk-navbar-brand {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff !important;
  text-decoration: none;
  background: var(--cyber-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: opacity 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.adk-navbar-logo {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  filter: brightness(0) invert(1);
}

.adk-navbar-brand:hover {
  opacity: 0.8;
}

.adk-navbar-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.adk-nav-link {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--cyber-muted) !important;
  text-decoration: none;
  padding: 0.375rem 0.75rem;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.adk-nav-link:hover {
  color: #ffffff !important;
  background: rgba(255, 255, 255, 0.07);
}


.adk-nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  color: var(--cyber-muted) !important;
  text-decoration: none;
  font-size: 1.1rem;
  transition: color 0.2s, background 0.2s;
  margin-left: 0.25rem;
}

.adk-nav-icon:hover {
  color: #ffffff !important;
  background: rgba(255, 255, 255, 0.07);
}

/* ── Hamburger button (mobile only) ── */
.adk-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  border-radius: 6px;
  transition: background 0.2s;
  flex-shrink: 0;
}

.adk-hamburger:hover {
  background: rgba(255, 255, 255, 0.07);
}

.adk-hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--cyber-muted);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.2s, background 0.2s;
}

.adk-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background: #ffffff;
}
.adk-hamburger.open span:nth-child(2) {
  opacity: 0;
}
.adk-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background: #ffffff;
}

/* ── Mobile dropdown menu ── */
.adk-mobile-menu {
  position: absolute;
  top: 56px;
  left: 0;
  right: 0;
  background: rgba(6, 6, 16, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--cyber-border);
  padding: 0.5rem 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  transform: translateY(-6px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.adk-mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.adk-mobile-menu .adk-nav-link {
  padding: 0.65rem 0.75rem;
  font-size: 0.95rem;
  border-radius: 8px;
}

.adk-mobile-icons {
  display: flex;
  gap: 0.25rem;
  padding-top: 0.5rem;
  margin-top: 0.25rem;
  border-top: 1px solid var(--cyber-border);
}

/* ── Responsive: switch to hamburger on mobile ── */
@media (max-width: 768px) {
  .adk-navbar-links {
    display: none;
  }
  .adk-hamburger {
    display: flex;
  }
}

/* Override Bulma's white html background */
html {
  background-color: #060610;
}

/* ── Global body ── */
body {
  background-color: var(--cyber-bg) !important;
  color: var(--cyber-text) !important;
  font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif !important;
  -webkit-font-smoothing: antialiased !important;
  -moz-osx-font-smoothing: grayscale !important;
}

/* Headings — Inter bold, matching vllm.ai */
h1, h2, h3, h4, h5, h6,
.title,
.publication-title {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
  letter-spacing: -0.02em;
}

/* Code / monospace — JetBrains Mono (matches LangChain) */
code, pre, kbd, samp,
.bibtex-code,
#bibtex-code {
  font-family: 'JetBrains Mono', 'Cascadia Code', 'SF Mono', monospace !important;
  font-size: 0.88rem !important;
  font-weight: 400 !important;
  letter-spacing: 0em;
}

/* ── Animated mesh/grid background ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* Moving neon orbs */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 600px 400px at 15% 20%, rgba(0, 212, 255, 0.07) 0%, transparent 70%),
    radial-gradient(ellipse 500px 350px at 85% 75%, rgba(123, 47, 247, 0.09) 0%, transparent 70%),
    radial-gradient(ellipse 400px 300px at 55% 50%, rgba(0, 255, 136, 0.04) 0%, transparent 70%);
  animation: orb-drift 18s ease-in-out infinite alternate;
}

@keyframes orb-drift {
  0%   { background-position: 0% 0%, 100% 100%, 50% 50%; }
  100% { background-position: 10% 15%, 88% 82%, 55% 45%; }
}

/* Ensure content sits above the decorative layers; offset for fixed navbar */
#main-content {
  position: relative;
  z-index: 1;
  padding-top: 56px;
}

/* ── Hero ── */
.opensage-hero {
  background: transparent !important;
  position: relative;
  padding-top: 1rem;
}

.opensage-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--cyber-grad-bg);
  border-bottom: 1px solid var(--cyber-border);
}

.publication-title {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
  font-size: 3.75rem !important;
  font-weight: 800 !important;
  letter-spacing: -0.03em !important;
  line-height: 1.08 !important;
  color: #ffffff !important;
  -webkit-text-fill-color: #ffffff !important;
}

@media screen and (max-width: 768px) {
  .publication-title { font-size: 2.5rem !important; }
}

/* "ADK" — cyan highlight */
.title-accent-adk {
  -webkit-text-fill-color: var(--cyber-cyan) !important;
  color: var(--cyber-cyan) !important;
}

/* "AI-centric" — purple highlight */
.title-accent-ai {
  -webkit-text-fill-color: #a78bfa !important;
  color: #a78bfa !important;
}

.hero-tagline {
  color: var(--cyber-muted) !important;
  font-weight: 500 !important;
}

/* ── Buttons ── */
.button.is-dark {
  background: transparent !important;
  border: 1.5px solid var(--cyber-cyan) !important;
  color: var(--cyber-cyan) !important;
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.2) !important;
  transition: all 0.25s ease !important;
}

.button.is-dark:hover {
  background: rgba(0, 212, 255, 0.12) !important;
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.45) !important;
  transform: translateY(-2px) !important;
  border-color: var(--cyber-cyan) !important;
}

/* ── Sections ── */
.section {
  background: transparent !important;
}

.hero.is-light,
section.hero.is-light {
  background: var(--cyber-surface) !important;
  border-top: 1px solid var(--cyber-border) !important;
  border-bottom: 1px solid var(--cyber-border) !important;
}

/* ── Section titles ── */
.title.is-3 {
  color: #ffffff !important;
}

.title.is-3::after {
  background: var(--cyber-grad) !important;
  height: 2px !important;
  width: 80px !important;
}

/* ── Body text ── */
.content.has-text-justified,
.content.has-text-justified p,
p {
  color: var(--cyber-muted) !important;
}

.content.has-text-justified b,
.content.has-text-justified strong,
b, strong {
  color: var(--cyber-text) !important;
}

ul li {
  color: var(--cyber-muted) !important;
}

/* ── Key Techniques cards ── */
#features .box {
  background: var(--cyber-surface) !important;
  border: 1px solid var(--cyber-border) !important;
  box-shadow: 0 0 0 1px rgba(0,212,255,0.06), var(--cyber-glow-c) !important;
  transition: all 0.3s ease !important;
}

#features .box:hover {
  border-color: rgba(0, 212, 255, 0.5) !important;
  box-shadow: 0 0 0 1px rgba(0,212,255,0.2), 0 0 40px rgba(0, 212, 255, 0.2) !important;
  transform: translateY(-4px);
}

#features .box .title.is-5 {
  color: var(--cyber-cyan) !important;
  font-weight: 700 !important;
}

#features .box ul.has-text-grey li {
  color: var(--cyber-muted) !important;
}

/* ── Overview / figure cards ── */
.overview-figure {
  background: #2a2a2a !important;
  border: 1px solid var(--cyber-border) !important;
  border-radius: 16px !important;
  box-shadow: 0 0 0 1px rgba(0, 212, 255, 0.08), 0 0 40px rgba(0, 212, 255, 0.06) !important;
  padding: 1.5rem !important;
  margin: 1rem 0 0.75rem !important;
}

.overview-figure img {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  border-radius: 10px !important;
  filter: invert(0.85) hue-rotate(180deg);
}

.feature-matrix-figure,
.results-figure {
  background: #0a0a18 !important;
  border: 1px solid var(--cyber-border) !important;
  border-radius: 16px !important;
  box-shadow: 0 0 0 1px rgba(0, 212, 255, 0.08), 0 0 40px rgba(0, 212, 255, 0.06) !important;
  padding: 1.5rem !important;
  max-width: 100% !important;
}

/* ── Results: 4-panel chart row ── */
.results-charts-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.chart-panel {
  background: #0a0a18;
  border: 1px solid var(--cyber-border);
  border-radius: 12px;
  overflow: hidden;
  padding: 0.5rem;
  box-shadow: 0 0 0 1px rgba(0, 212, 255, 0.06), 0 0 20px rgba(0, 212, 255, 0.04);
}

/* Each quadrant uses background-position to crop one quarter of result_main.png */
.chart-quad {
  width: 100%;
  aspect-ratio: 383 / 422;
  background-image: url('../images/figures/result_main.png');
  background-size: 200% 200%;
  background-repeat: no-repeat;
  border-radius: 8px;
  filter: invert(1) hue-rotate(180deg);
}

.chart-tl { background-position: 0%   0%;   }
.chart-tr { background-position: 100% 0%;   }
.chart-bl { background-position: 0%   100%; }
.chart-br { background-position: 100% 100%; }

@media screen and (max-width: 768px) {
  .results-charts-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── Finding strips ── */
.finding-strip {
  background: var(--cyber-surface) !important;
  border: 1px solid var(--cyber-border) !important;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.05) !important;
  transition: all 0.3s ease !important;
}

.finding-strip:hover {
  border-color: rgba(0, 212, 255, 0.35) !important;
  box-shadow: 0 0 35px rgba(0, 212, 255, 0.12) !important;
}

.finding-strip img {
  background: var(--cyber-surface2) !important;
}

/* ── Toolkit table ── */
.table {
  background: var(--cyber-surface) !important;
  color: var(--cyber-text) !important;
  border: 1px solid var(--cyber-border) !important;
}

.table thead th {
  color: var(--cyber-cyan) !important;
  border-bottom: 2px solid var(--cyber-border) !important;
  background: var(--cyber-surface2) !important;
  font-weight: 700 !important;
  letter-spacing: 0.03em;
}

.table.is-striped tbody tr:nth-child(even) {
  background: rgba(0, 212, 255, 0.03) !important;
}

.table td, .table th {
  border-color: var(--cyber-border) !important;
  color: var(--cyber-muted) !important;
}

.table td strong, .table td b {
  color: var(--cyber-text) !important;
}

/* ── BibTeX block ── */
#BibTeX .title {
  color: #ffffff !important;
}

#citation-title::after {
  left: 0 !important;
  transform: none !important;
}

pre {
  background: #18181b !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  border-radius: 10px !important;
  box-shadow: none !important;
}

code {
  background: transparent !important;
  color: #e4e4e7 !important;
  font-family: 'JetBrains Mono', 'Cascadia Code', 'SF Mono', monospace !important;
}

.title.is-1,
.title.is-2 {
  color: #ffffff !important;
}

/* ── Copy BibTeX button ── */
.copy-bibtex-btn {
  background: transparent !important;
  border: 1px solid rgba(255,255,255,0.2) !important;
  color: #a1a1aa !important;
  box-shadow: none !important;
  padding: 0.3rem 0.65rem !important;
  font-size: 0.75rem !important;
  border-radius: 6px !important;
}

.copy-bibtex-btn:hover {
  background: rgba(255,255,255,0.06) !important;
  color: #ffffff !important;
  box-shadow: none !important;
}

/* ── Scroll to top ── */
.scroll-to-top {
  background: var(--cyber-surface) !important;
  border: 1.5px solid var(--cyber-cyan) !important;
  color: var(--cyber-cyan) !important;
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.3) !important;
}

.scroll-to-top:hover {
  background: rgba(0, 212, 255, 0.12) !important;
  box-shadow: 0 0 28px rgba(0, 212, 255, 0.5) !important;
}

/* ── Overview subsection ── */
.overview-subsection-title {
  color: var(--cyber-text) !important;
  font-size: 1.6rem !important;
  font-weight: 700 !important;
  letter-spacing: -0.02em;
  margin-top: 2.5rem !important;
  margin-bottom: 0.6rem !important;
  padding-bottom: 0 !important;
}

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

/* ── Feature matrix table ── */
.feature-matrix-table {
  border-collapse: separate !important;
  border-spacing: 0 !important;
  border-radius: 12px !important;
  overflow: hidden !important;
  margin-top: 1rem !important;
}

.feature-matrix-table thead th {
  background: #0d1a2a !important;
  color: var(--cyber-muted) !important;
  font-size: 0.8rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.06em !important;
  text-transform: uppercase !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2) !important;
  padding: 0.75rem 1rem !important;
  text-align: center !important;
}

.feature-matrix-table thead th:nth-child(1),
.feature-matrix-table thead th:nth-child(2) {
  text-align: left !important;
}

.feature-matrix-table td {
  background: var(--cyber-surface) !important;
  color: var(--cyber-muted) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25) !important;
  border-right: 1px solid rgba(255, 255, 255, 0.12) !important;
  padding: 0.6rem 1rem !important;
  text-align: center !important;
  font-size: 0.95rem !important;
  vertical-align: middle !important;
}

.feature-matrix-table thead th {
  border-right: 1px solid rgba(255, 255, 255, 0.12) !important;
}

.feature-matrix-table td:nth-child(1),
.feature-matrix-table td:nth-child(2) {
  text-align: left !important;
}

.feature-matrix-table td.text-center,
.feature-matrix-table th.text-center {
  text-align: center !important;
}

.feature-matrix-table td:nth-child(1).text-center,
.feature-matrix-table td:nth-child(2).text-center {
  text-align: center !important;
}

.feature-matrix-table tbody tr:last-child td {
  border-bottom: none !important;
}

/* OpenSage column highlight */
.col-opensage {
  background: rgba(0, 212, 255, 0.06) !important;
  border-left: 1px solid rgba(0, 212, 255, 0.5) !important;
  border-right: 1px solid rgba(0, 212, 255, 0.5) !important;
  color: var(--cyber-cyan) !important;
  font-weight: 700 !important;
}

.feature-matrix-table thead th.col-opensage {
  color: var(--cyber-cyan) !important;
  background: rgba(0, 212, 255, 0.1) !important;
}

/* Category rowspan cells */
.category-cell {
  font-weight: 700 !important;
  color: var(--cyber-text) !important;
  border-right: 1px solid rgba(255, 255, 255, 0.25) !important;
}

/* ── CSS circles for feature matrix ── */
.circle {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  vertical-align: middle;
  box-sizing: border-box;
}

/* Full — solid */
.sym-full .circle {
  background-color: var(--cyber-cyan);
}

/* Half — left-half filled with border */
.sym-half .circle {
  background: linear-gradient(to right, var(--cyber-cyan) 50%, transparent 50%);
  border: 2px solid var(--cyber-cyan);
  opacity: 0.55;
}

/* None — hollow ring */
.sym-none .circle {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

/* Table cells — center the circles */
td.sym-full,
td.sym-half,
td.sym-none {
  text-align: center !important;
  vertical-align: middle !important;
}

td.sym-full .circle,
td.sym-half .circle,
td.sym-none .circle {
  display: block;
  margin: 0 auto;
}

/* Legend — inline alignment */
.figure-lead .sym-full,
.figure-lead .sym-half,
.figure-lead .sym-none {
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
}

/* OpenSage column full circle — keep cyan */
td.col-opensage.sym-full .circle {
  background: var(--cyber-cyan);
}

/* ── Get Started ── */
.get-started-steps {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.gs-step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--cyber-surface);
  border: 1px solid var(--cyber-border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
}

.gs-step-label {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.12);
  border: 1px solid var(--cyber-cyan);
  color: var(--cyber-cyan);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.1rem;
}

.gs-step-body {
  flex: 1;
  min-width: 0;
}

.gs-step-title {
  color: var(--cyber-text) !important;
  font-weight: 600 !important;
  font-size: 0.95rem !important;
  margin-bottom: 0.5rem !important;
}

/* vllm-style code block wrapper */
.code-block {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  overflow: hidden;
  margin: 0;
}

.code-block-header {
  background: #27272a;
  padding: 0.45rem 1rem;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.code-block-header span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  color: #a1a1aa;
  letter-spacing: 0.04em;
}

.code-block-header {
  justify-content: space-between;
}

.copy-code-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  color: #a1a1aa;
  padding: 0.2rem 0.55rem;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.copy-code-btn:hover {
  background: rgba(255,255,255,0.06);
  color: #ffffff;
}

.copy-code-btn i {
  font-size: 0.68rem;
}

.gs-code {
  background: #18181b !important;
  border: none !important;
  border-radius: 0 !important;
  padding: 1rem 1.25rem !important;
  margin: 0 !important;
  font-size: 0.84rem !important;
  overflow-x: auto;
}

.gs-code code {
  color: #e4e4e7 !important;
  font-family: 'JetBrains Mono', monospace !important;
  font-size: 0.84rem !important;
  background: transparent !important;
  line-height: 1.7 !important;
}

/* highlight.js overrides — keep our backgrounds, just use hljs token colors */
.gs-code code.hljs {
  background: transparent !important;
  padding: 0 !important;
}

/* Links in cyber context */
.figure-lead a,
.content a,
#results a {
  color: var(--cyber-cyan);
  text-decoration: none;
}

.figure-lead a:hover,
.content a:hover,
#results a:hover {
  color: #ffffff;
}

/* Highlight label in list items */
.li-highlight {
  color: #ffffff !important;
  font-weight: 700;
}

/* ── Footer ── */
.footer {
  background: var(--cyber-surface) !important;
  border-top: 1px solid var(--cyber-border) !important;
}

.footer .content {
  color: var(--cyber-muted) !important;
}

.footer a {
  color: var(--cyber-cyan) !important;
}

.footer a:hover {
  color: var(--cyber-green) !important;
}

/* ── Figure lead text ── */
.figure-lead {
  color: var(--cyber-muted);
}

/* ── Results block emoji list ── */
#results .content ul li {
  color: var(--cyber-text) !important;
}

/* ── Neon highlight for benchmark numbers ── */
#results b {
  color: var(--cyber-cyan) !important;
}

/* ── Thin scanline overlay (subtle, aesthetic only) ── */
.opensage-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0, 212, 255, 0.012) 3px,
    rgba(0, 212, 255, 0.012) 4px
  );
}