/* ============================================================
   HARMONIC – Metacognition and Cognitive Transparency Companion Page
   style.css — all styles for index.html
   ============================================================ */

/* --- Geist for body text; Fraunces for display headings (matches leia-lab.com) --- */
@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&family=Fraunces:ital,opsz,wght@0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,500&display=swap');

/* Fallback: use system sans if CDN unavailable */
:root {
  --font-sans:    'Geist', 'Helvetica Neue', Arial, sans-serif;
  --font-mono:    'Geist Mono', 'Courier New', monospace;
  --font-display: 'Fraunces', Georgia, serif;

  /* Colour palette — warm ivory reading surface, ink text, brick-red accent
     (shares the LEIA Lab site identity: deep navy + cherry red + warm neutrals) */
  --bg:          #fbfaf7;   /* warm paper white — main reading surface */
  --bg-alt:      #f3efe8;   /* warm stone — alternate sections */
  --text:        #1b2430;   /* ink navy-black */
  --text-muted:  #5c6270;   /* cool slate muted */
  --navy:        #1a365d;   /* deep navy — cognitive/strategic layer */
  --navy-light:  #2c5282;   /* lighter navy — OntoAgent accents */
  --accent:      #a5342b;   /* brick / cherry red — brand accent */
  --accent-hover:#7c261f;
  --accent-light:#f1ded9;
  --success:     #2f6b4a;   /* deep forest green — OntoAgent / success */
  --success-tint:#e6efe9;
  --warn:        #9c6a1f;   /* muted terracotta — human dialogue / notes */
  --warn-tint:   #f5eddc;
  --border:      #ddd5c8;   /* warm taupe border */
  --nav-bg:      rgba(255,255,255,0.95);

  --radius:  6px;
  --section-gap: 2.75rem;

  /* ---- Aliases for interactive components from old site ---- */
  --color-bg-secondary:   var(--bg-alt);
  --color-bg-card:        var(--bg);
  --color-bg-tertiary:    #e6ddcf;
  --color-border:         var(--border);
  --color-accent:         var(--accent);
  --color-accent-hover:   var(--accent-hover);
  --color-text-primary:   var(--text);
  --color-text-secondary: var(--text-muted);
  --color-text-tertiary:  #9a9488;
  --color-primary:        var(--text);
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  0.875rem;
  --space-lg:  1.25rem;
  --space-xl:  1.75rem;
  --space-3xl: 2.5rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --transition-base: 0.2s ease;
  --transition-fast: 0.15s ease;

  /* ---- Sidebar layout ---- */
  --sidebar-width: 260px;
  --topbar-height: 3rem;
}

/* ---- Reset & Base ----------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: #ffffff;
  color: var(--text);
  line-height: 1.7;
}

/* ---- Page layout: sidebar + content ----------------------- */
.page-wrapper {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  max-width: 1420px;       /* 1100 content + 260 sidebar + gaps */
  margin-inline: auto;
  padding-inline-start: 4rem;  /* push sidebar in from left edge */
  padding-inline-end: 1.5rem;
}

.page-wrapper > main {
  flex: 1;
  min-width: 0;
}

img, video { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Typography ------------------------------------------- */
h1, h2 { font-family: var(--font-display); }
h1 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); font-weight: 600; line-height: 1.2; }
h2 { font-size: clamp(1.3rem, 2.5vw, 1.9rem); font-weight: 600; line-height: 1.3; }
h3 { font-size: 1.15rem; font-weight: 600; }
h4 { font-size: 1rem;    font-weight: 600; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

code, .mono {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--bg-alt);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

/* ---- Layout helpers --------------------------------------- */
.container {
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

section { padding-block: var(--section-gap); }
section:nth-of-type(even) { background: var(--bg-alt); }

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.section-title {
  margin-bottom: 0.5rem;
}

.section-divider {
  width: 3rem;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-bottom: 1.5rem;
}

/* ---- Mobile topbar (hidden on desktop) -------------------- */
#topbar {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-height);
  z-index: 300;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  align-items: center;
  padding-inline: 1rem;
  gap: 0.75rem;
}
.topbar-toggle {
  display: flex; flex-direction: column; gap: 4px;
  background: none; border: none; cursor: pointer; padding: 4px; flex-shrink: 0;
}
.topbar-toggle span {
  display: block; width: 20px; height: 2px;
  background: var(--text); border-radius: 2px;
}
.topbar-brand {
  font-size: 0.9rem; font-weight: 700; color: var(--text); letter-spacing: 0.05em;
}
.topbar-crumb {
  font-size: 0.8rem; color: var(--text-muted);
}
.topbar-crumb::before { content: '/'; margin-inline: 0.4rem; }

/* ---- Sidebar ---------------------------------------------- */
#sidebar {
  position: sticky;
  top: calc(50vh - 160px);   /* vertically centred in viewport */
  width: var(--sidebar-width);
  flex-shrink: 0;
  max-height: calc(100vh - 3rem);
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 2px 20px rgba(30,60,120,0.09);
  overflow-y: auto;
  overflow-x: hidden;
  margin-block: 1.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.sidebar-leia-link {
  display: flex; align-items: center; gap: 0.45rem;
  margin: 0.75rem 0.75rem 0.25rem;
  padding: 0.45rem 0.75rem;
  font-size: 0.75rem; font-weight: 600; color: var(--text-muted);
  background: var(--bg-alt); border: 1px solid var(--border);
  border-radius: 6px; text-decoration: none;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar-leia-link:hover {
  color: var(--accent); border-color: var(--accent);
  background: var(--accent-light); text-decoration: none;
}
.sidebar-leia-link i { font-size: 0.7rem; flex-shrink: 0; }

.sidebar-nav {
  padding: 0.75rem 0;
  flex: 1;
}

.sidebar-page-link {
  display: block;
  padding: 0.6rem 1.25rem 0.6rem 0.75rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  line-height: 1.4;
  text-align: right;
  border-right: 3px solid transparent;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}
.sidebar-page-link:hover {
  color: var(--accent);
  background: var(--bg-alt);
  text-decoration: none;
}
.sidebar-page-link.active {
  color: var(--accent);
  background: var(--accent-light);
  border-right-color: var(--accent);
  font-weight: 600;
}

/* Mobile backdrop */
#sidebar-backdrop {
  display: none; position: fixed; inset: 0; z-index: 190;
  background: rgba(0,0,0,0.35);
}

/* ---- Hero ------------------------------------------------- */
#hero {
  padding-top: 2.25rem;
  padding-bottom: 2.25rem;
  background: linear-gradient(160deg, #f1e7e3 0%, var(--bg) 70%);
  border-bottom: 1px solid var(--border);
}

.hero-logo {
  max-height: 80px;
  width: auto;
  margin-bottom: 1rem;
}

.hero-title {
  max-width: 780px;
  margin-bottom: 1rem;
}

.hero-authors {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.hero-conference {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.hero-abstract {
  max-width: 780px;
  color: var(--text-muted);
  font-size: 0.95rem;
  border-left: 3px solid var(--accent);
  padding-left: 1.25rem;
}

/* ---- Architecture (interactive) --------------------------- */
.architecture-intro { text-align: center; margin-bottom: var(--space-lg); }
.architecture-hint {
  display: inline-flex; align-items: center; gap: var(--space-sm);
  padding: 6px var(--space-md);
  background: var(--color-bg-secondary); border: 1px solid var(--color-border);
  border-radius: var(--radius-full); color: var(--color-accent); font-size: 0.85rem;
}
.architecture-container {
  display: grid; grid-template-columns: 1fr 350px;
  gap: var(--space-lg); align-items: start;
}
.architecture-diagram {
  position: relative; border-radius: var(--radius-md);
  overflow: visible; box-shadow: var(--shadow-md);
  background: var(--color-bg-card); border: 1px solid var(--color-border);
}
.architecture-diagram img { width: 100%; display: block; border-radius: var(--radius-md); }

/* Hotspots */
.hotspot {
  position: absolute; width: 22px; height: 22px;
  margin-left: -11px; margin-top: -11px;
  cursor: pointer; z-index: 10; transition: all var(--transition-base);
}
.hotspot::before {
  content: ''; position: absolute; inset: 0;
  background: #fff; border: 2px solid var(--navy); border-radius: 50%;
  box-shadow: 0 2px 8px rgba(26,54,93,0.25); transition: all var(--transition-base);
}
.hotspot::after {
  content: ''; position: absolute; top: 50%; left: 50%;
  width: 8px; height: 8px; background: var(--navy); border-radius: 50%;
  transform: translate(-50%, -50%); transition: all var(--transition-base);
}
.hotspot:hover::before { background: var(--accent-light); transform: scale(1.1); }
.hotspot.active::before { animation: hotspot-pulse 2s ease-in-out infinite alternate; }
.hotspot.active::after  { background: var(--accent); box-shadow: 0 0 8px rgba(165,52,43,0.7); }
@keyframes hotspot-pulse {
  0%   { background: #fff; border-color: var(--navy); transform: scale(1); box-shadow: 0 2px 8px rgba(26,54,93,0.25); }
  100% { background: var(--accent-light); border-color: var(--accent); transform: scale(1.2);
         box-shadow: 0 0 15px rgba(165,52,43,0.55), 0 0 25px rgba(165,52,43,0.35); }
}
.hotspot.dark-blue::after  { background: var(--navy); }       .hotspot.dark-blue:hover::after  { background: var(--navy-light); }
.hotspot.navy-blue::after  { background: var(--navy-light); } .hotspot.navy-blue:hover::after  { background: var(--navy); }
.hotspot.black::after      { background: var(--text); }       .hotspot.black:hover::after      { background: #333; }
.hotspot.deep-green::after { background: var(--success); }    .hotspot.deep-green:hover::after { background: #24543a; }
.hotspot.dark-green::after { background: #1f4d38; }            .hotspot.dark-green:hover::after { background: var(--success); }
.hotspot.dark-blue.active::after, .hotspot.navy-blue.active::after,
.hotspot.black.active::after, .hotspot.deep-green.active::after,
.hotspot.dark-green.active::after { background: var(--accent); }

/* Info Panel */
.info-panel {
  background: var(--bg);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: var(--space-lg); box-shadow: var(--shadow-md);
  position: sticky; top: 80px;
  max-height: calc(100vh - 100px); overflow-y: auto;
}
.info-panel-default { text-align: center; padding: var(--space-xl); color: var(--text-muted); }
.info-panel-default i { font-size: 2rem; color: var(--color-accent); margin-bottom: var(--space-sm); display: block; }
.info-panel-default h3 { color: var(--text); margin-bottom: var(--space-xs); font-size: 1.1rem; }
.info-panel-default p  { color: var(--text-muted); font-size: 0.85rem; }
.info-panel-content h3 {
  color: var(--navy); font-size: 1.1rem; margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs); border-bottom: 2px solid var(--border);
}
.info-panel-content p { color: var(--text); font-size: 0.9rem; line-height: 1.6; text-align: justify; }
.info-panel-content video, .info-panel-content img {
  width: 100%; border-radius: var(--radius-sm); margin-top: var(--space-sm);
  cursor: pointer; transition: transform var(--transition-base);
}
.info-panel-content video:hover, .info-panel-content img:hover { transform: scale(1.02); }
.info-panel-caption { text-align: center; font-size: 0.8rem; color: var(--text-muted); font-style: italic; margin-top: var(--space-xs); }

/* Dual layer cards */
.layers-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg);
}
.layer-card {
  background: var(--color-bg-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: var(--space-lg);
  position: relative; overflow: hidden;
}
.layer-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.layer-card.strategic::before { background: linear-gradient(90deg, var(--navy), var(--navy-light)); }
.layer-card.tactical::before  { background: linear-gradient(90deg, #1f4d38, var(--success)); }
.layer-badge {
  display: inline-block; padding: 3px 8px; font-size: 0.7rem; font-weight: 600;
  border-radius: var(--radius-sm); text-transform: uppercase; margin-bottom: var(--space-sm);
}
.layer-card.strategic .layer-badge { background: rgba(26,54,93,0.1); color: var(--navy); }
.layer-card.tactical  .layer-badge { background: rgba(47,107,74,0.12); color: var(--success); }
.layer-card h3 { font-size: 1.1rem; margin-bottom: var(--space-sm); }
.layer-card .card-description { font-size: 0.85rem; margin-bottom: var(--space-sm); }
.layer-card ul { list-style: none; margin-top: var(--space-sm); }
.layer-card li { display: flex; align-items: flex-start; gap: var(--space-sm); margin-bottom: 4px; color: var(--color-text-secondary); font-size: 0.85rem; }
.layer-card li i { color: var(--color-accent); margin-top: 3px; font-size: 0.75rem; }
.figure-caption {
  text-align: center; margin-top: var(--space-md); padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-card); border-radius: var(--radius-sm);
  color: var(--color-text-secondary); font-size: 0.85rem; line-height: 1.5;
}
.figure-caption p { margin: 0; }

/* ---- Demo (interactive step-through) ---------------------- */
.scenario-card {
  background: var(--color-bg-secondary); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: var(--space-md); margin-bottom: var(--space-md);
  position: relative; overflow: hidden;
}
.scenario-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 3px; height: 100%;
  background: var(--color-accent);
}
.scenario-label { display: inline-flex; align-items: center; gap: var(--space-xs); color: var(--color-accent); font-size: 0.8rem; font-weight: 600; margin-bottom: var(--space-xs); }
.scenario-text  { color: var(--color-text-primary); font-size: 0.9rem; line-height: 1.6; margin: 0; }
.scenario-text strong { color: var(--color-accent); }

.demo-controls {
  display: flex; align-items: center; justify-content: center;
  gap: var(--space-sm); flex-wrap: wrap; padding: var(--space-md);
  background: var(--color-bg-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); margin-bottom: var(--space-md);
}
.demo-btn {
  padding: 6px var(--space-md); background: var(--color-bg-secondary);
  color: var(--color-text-primary); border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); font-size: 0.85rem; font-weight: 500;
  cursor: pointer; transition: all var(--transition-fast);
  display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-sans);
}
.demo-btn:hover:not(:disabled) { border-color: var(--color-accent); color: var(--color-accent); }
.demo-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.demo-btn.simulation { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%); color: #fff; border: none; }
.demo-btn.active     { background: var(--accent); color: #fff; border: none; }
.step-counter {
  font-size: 0.85rem; color: var(--color-text-secondary); padding: 6px var(--space-md);
  background: var(--color-bg-tertiary); border-radius: var(--radius-sm);
}
.step-counter span { color: var(--color-accent); font-weight: 600; }

.step-nav {
  margin-bottom: var(--space-md); background: var(--color-bg-secondary);
  border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-md);
}
.step-nav-title { font-size: 0.8rem; color: var(--color-text-tertiary); margin-bottom: var(--space-sm); text-align: center; }
.step-nav-grid  { display: flex; flex-wrap: wrap; gap: 4px; justify-content: center; }
.step-nav-btn {
  width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
  background: var(--color-bg-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); color: var(--color-text-secondary);
  font-size: 0.8rem; font-weight: 500; cursor: pointer; transition: all var(--transition-fast);
  font-family: var(--font-sans);
}
.step-nav-btn:hover    { border-color: var(--color-accent); color: var(--color-accent); }
.step-nav-btn.active   { background: var(--color-accent); color: #fff; border-color: transparent; }
.step-nav-btn.completed{ background: rgba(26,54,93,0.08); border-color: rgba(26,54,93,0.25); color: var(--navy); }
.step-nav-btn.simulation{ background: linear-gradient(135deg, var(--navy), var(--navy-light)); color: #fff; border: none; }

.demo-content {
  min-height: 60vh; max-height: 65vh; overflow-y: auto;
  background: var(--bg); border: 1px solid var(--color-border); border-radius: var(--radius-md);
}
.demo-step { display: none; padding: var(--space-lg) var(--space-xl); animation: fadeIn 0.3s ease; }
.demo-step.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.step-title { color: var(--color-text-primary); font-weight: 600; font-size: 1.1rem; margin-bottom: var(--space-md); display: flex; align-items: center; }
.step-number {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--color-accent); color: #fff;
  width: 24px; height: 24px; border-radius: 50%;
  font-size: 0.75rem; font-weight: 600; margin-right: 10px; flex-shrink: 0;
}
.step-content { font-size: 0.9rem; line-height: 1.6; color: var(--color-text-primary); }
.step-content p  { margin-bottom: var(--space-sm); }
.step-content h4 { color: var(--color-accent); font-size: 1rem; margin-bottom: var(--space-sm); margin-top: var(--space-md); }
.step-content ul { margin-bottom: var(--space-md); padding-left: 0; list-style: none; }
.step-content ul li { margin-bottom: 6px; padding-left: 8px; }
.step-content strong { color: var(--color-text-primary); }

.human-input {
  background: var(--warn-tint); border-left: 3px solid var(--warn);
  padding: 10px 12px; margin: var(--space-sm) 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-style: italic; font-size: 0.9rem;
}
.robot-response {
  background: #eef1f6; border-left: 3px solid var(--navy-light);
  padding: 10px 12px; margin: var(--space-sm) 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: 0.9rem;
}
.code-block, pre.code-block {
  background: #f5f3ee; border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: var(--space-sm) var(--space-md); margin: var(--space-sm) 0;
  font-family: 'Consolas', 'Monaco', monospace; font-size: 0.8rem; line-height: 1.4;
  overflow-x: auto; white-space: pre-wrap; word-wrap: break-word; color: var(--text);
}
pre.code-block code { background: transparent; border: none; padding: 0; }
.plan-status {
  display: inline-block; padding: 3px 10px; border-radius: 10px;
  font-size: 0.8rem; font-weight: 500; margin: 6px 4px 6px 0;
}
.plan-status.status-running  { background: rgba(26,54,93,0.08); color: var(--navy); }
.plan-status.status-finished { background: var(--success-tint); color: var(--success); }

.demo-video-section { margin: var(--space-lg) 0; padding: var(--space-lg); background: var(--bg-alt); border-radius: var(--radius-md); border: 1px solid var(--border); }
.demo-video-title { font-size: 1.1rem; font-weight: 600; color: var(--text-primary); margin-bottom: 0.4rem; }
.demo-video-title i { margin-right: 0.5rem; color: var(--color-accent); }
.demo-video-desc { color: var(--text-muted); font-size: 0.92rem; margin-bottom: var(--space-md); }
.full-width-video-container { margin: var(--space-md) 0; width: 100%; }
.full-demo-video { width: 100%; border-radius: var(--radius-sm); box-shadow: var(--shadow-md); }

/* ---- OntoAgent script syntax highlighting ----------------- */
.code-kw   { color: var(--navy); font-weight: 700; }        /* @SCRIPT-NAME */
.code-sect { color: var(--success); font-weight: 700; }     /* [SECTION]    */
.code-cm   { color: #7c8a72; font-style: italic; }          /* // comment   */
.code-id   { color: var(--warn); }                          /* #identifier  */
.code-op   { color: #6b4670; font-weight: 600; }             /* RUN AWAIT    */
.code-proc { color: var(--navy-light); font-style: italic; } /* *procedure   */

/* ---- VMR block -------------------------------------------- */
.vmr-block {
  background: #f8f1de; border: 1px solid #d9c48a;
  border-radius: 6px; padding: 12px 16px;
  font-family: var(--font-mono); font-size: 0.82rem;
  margin: var(--space-sm) 0;
}
.vmr-type { color: #6b4670; font-weight: 700; font-size: 0.72rem;
  text-transform: uppercase; letter-spacing: 0.09em; display: block; margin-bottom: 7px; }
.vmr-field { display: flex; gap: 10px; margin: 3px 0; }
.vmr-key   { color: var(--navy); font-weight: 600; min-width: 150px; flex-shrink: 0; }
.vmr-val   { color: var(--text); }

/* ---- LLM comparison section ------------------------------- */
.cap-table {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-xl);
  font-size: 0.875rem;
}
.cap-table-head,
.cap-table-row {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1.5fr;
}
.cap-table-head {
  background: var(--bg-alt);
  border-bottom: 2px solid var(--border);
}
.cap-table-head > div {
  padding: 0.6rem 1rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.cap-table-head .cap-col-onto { color: var(--success); }
.cap-table-head .cap-col-llm  { color: var(--accent); }
.cap-table-row {
  border-bottom: 1px solid var(--border);
}
.cap-table-row:last-child { border-bottom: none; }
.cap-table-row:nth-child(even) { background: var(--bg-alt); }
.cap-table-row > div {
  padding: 0.75rem 1rem;
  line-height: 1.5;
}
.cap-col-cap {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  border-right: 1px solid var(--border);
}
.cap-col-cap strong { display: block; color: var(--text); font-size: 0.875rem; margin-bottom: 0.2rem; }
.cap-col-cap p { margin: 0; font-size: 0.8rem; color: var(--text-muted); line-height: 1.45; }
.cap-row-icon {
  color: var(--accent);
  font-size: 0.95rem;
  margin-top: 0.2rem;
  flex-shrink: 0;
}
.cap-col-onto {
  color: var(--success);
  background: var(--success-tint);
  border-right: 1px solid var(--border);
  font-size: 0.82rem;
}
.cap-col-llm {
  color: var(--accent);
  background: var(--accent-light);
  font-size: 0.82rem;
}
.cap-pass { color: var(--success); font-weight: 700; }
.cap-fail { color: var(--accent); font-weight: 700; }
.cap-part { color: var(--warn); font-weight: 700; }

.llm-failure-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); margin: var(--space-lg) 0; }
.llm-panel { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.llm-panel-header { background: var(--accent-light); padding: 0.6rem var(--space-md); font-size: 0.82rem; font-weight: 700; color: var(--accent-hover); border-bottom: 1px solid #dcb6ae; }
.llm-panel-note { background: var(--warn-tint); padding: 8px var(--space-md); font-size: 0.78rem; color: var(--warn); font-style: italic; border-bottom: 1px solid #e2cd9d; }
.llm-panel-body { padding: var(--space-md); }
.llm-action-log .log-label { color: var(--text-muted); font-style: italic; }

.finding-callout {
  background: linear-gradient(135deg, #eef1f6 0%, #f7f3ee 100%);
  border: 1px solid #c9cedb; border-left: 4px solid var(--accent);
  border-radius: var(--radius-md); padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}
.finding-callout p { color: var(--text); margin-bottom: 0; }
.finding-stats { display: flex; gap: var(--space-xl); margin-top: var(--space-md); flex-wrap: wrap; }
.finding-stat { text-align: center; }
.finding-stat-num { font-size: 2.2rem; font-weight: 700; color: var(--accent); line-height: 1; }
.finding-stat-label { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; max-width: 120px; }

@media (max-width: 900px) {
  .cap-table-head,
  .cap-table-row { grid-template-columns: 1fr 1fr; }
  .cap-col-cap { grid-column: 1 / -1; border-right: none; border-bottom: 1px solid var(--border); }
  .llm-failure-grid { grid-template-columns: 1fr; }
}

/* ---- Video placeholder ------------------------------------ */
.video-placeholder-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  background: #14213a;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.video-placeholder-wrap iframe,
.video-placeholder-wrap video {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
}

.video-placeholder-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  gap: 1rem;
}

.video-play-icon {
  width: 72px; height: 72px;
  border: 3px solid #475569;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

.video-play-icon::after {
  content: '';
  display: block;
  width: 0; height: 0;
  margin-left: 5px;
  border-style: solid;
  border-width: 14px 0 14px 24px;
  border-color: transparent transparent transparent #475569;
}

.video-placeholder-inner p {
  font-size: 0.9rem;
  color: #64748b;
}

/* ---- References ------------------------------------------- */
.references-details { margin-top: 0.5rem; }

.references-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--accent-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  list-style: none;
  user-select: none;
  transition: background 0.15s;
}
.references-toggle::-webkit-details-marker { display: none; }
.references-toggle:hover { background: #e8d5d0; }
.references-toggle i { font-size: 0.75rem; transition: transform 0.2s; }
.references-details[open] .references-toggle i { transform: rotate(180deg); }

.references-list {
  list-style: none;
  counter-reset: refs;
  margin: 0.5rem 0 0 0;
  padding: 0;
}

.references-list li {
  counter-increment: refs;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.65;
}

.references-list li:last-child { border-bottom: none; }

.references-list li::before {
  content: '[' counter(refs) ']';
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
  min-width: 2.5rem;
  padding-top: 0.2rem;
  text-align: right;
}

/* ---- Glossary --------------------------------------------- */
.glossary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.glossary-item {
  display: contents;
}

.glossary-item dt,
.glossary-item dd {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}

.glossary-item dt {
  font-weight: 600;
  color: var(--text);
  background: var(--bg-alt);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.glossary-item dd {
  color: var(--text-muted);
  background: var(--bg);
  margin: 0;
}

/* ---- Footer ----------------------------------------------- */
footer {
  border-top: 1px solid var(--border);
  padding-block: 1.25rem;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ---- Responsive ------------------------------------------- */
/* ---- Modal ------------------------------------------------ */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,0.8); align-items: center; justify-content: center; padding: 1rem;
}
.modal-overlay.active { display: flex; }
.modal {
  background: #fff; border-radius: var(--radius-md);
  max-width: 1000px; width: 100%; position: relative;
  max-height: 90vh; overflow-y: auto;
}
.modal-close {
  position: absolute; top: 0.75rem; right: 0.75rem;
  background: #f1f5f9; border: none; cursor: pointer;
  width: 32px; height: 32px; border-radius: 50%;
  font-size: 1.2rem; display: flex; align-items: center; justify-content: center;
  color: #64748b; z-index: 1;
}
.modal-close:hover { background: #e2e8f0; color: var(--text); }
.modal-body { padding: 1.5rem; }
.modal-body video { width: 100%; border-radius: var(--radius-sm); }
.modal-body img   { max-width: 90vw; max-height: 80vh; object-fit: contain; display: block; margin: auto; }
.modal-caption {
  text-align: center; padding: 0.75rem 1rem 1.25rem;
  color: var(--text-muted); font-size: 0.85rem;
}
.image-modal .modal { max-width: 90vw; background: #000; }

/* ---- Responsive ------------------------------------------- */
@media (max-width: 1300px) {
  .architecture-container { grid-template-columns: 1fr 300px; }
}
@media (max-width: 1100px) {
  .architecture-container { grid-template-columns: 1fr; }
  .info-panel { position: static; max-height: none; order: -1; }
  .layers-grid { grid-template-columns: 1fr; }
}

/* Sidebar collapses below 1024px → topbar appears */
@media (max-width: 1024px) {
  .page-wrapper { display: block; }

  #topbar { display: flex; }

  #hero { padding-top: calc(var(--topbar-height) + 2.5rem); }

  #sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    max-height: none;
    margin: 0;
    border-radius: 0;
    border: none;
    border-right: 1px solid var(--border);
    box-shadow: 4px 0 20px rgba(0,0,0,0.12);
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 300;
  }
  #sidebar.open { transform: translateX(0); }
  #sidebar-backdrop.visible { display: block; }
}

@media (max-width: 768px) {
  :root { --section-gap: 2rem; }

  .hotspot { width: 18px; height: 18px; margin-left: -9px; margin-top: -9px; }
  .hotspot::after { width: 6px; height: 6px; }

  .demo-controls { flex-direction: column; padding: var(--space-sm); }
  .step-nav-btn  { width: 28px; height: 28px; font-size: 0.75rem; }
  .demo-step     { padding: var(--space-md); }

  .glossary-grid { grid-template-columns: 1fr; }
  .glossary-item dt,
  .glossary-item dd { border-bottom: none; }
  .glossary-item dt { border-top: 1px solid var(--border); }
}

/* ---- Plotly chart containers ------------------------------ */
.chart-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem 0.25rem;
  margin-bottom: var(--space-xl);
  box-shadow: 0 1px 10px rgba(30,60,120,0.06);
  overflow: hidden;
}
.chart-card.chart-narrow { max-width: 780px; margin-inline: auto; }

/* Model toggle pills */
.chart-model-toggles {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 0.6rem; max-width: 780px;
}
.model-toggle {
  padding: 3px 11px; border-radius: 20px;
  border: 2px solid var(--tc, #999);
  background: transparent; color: var(--tc, #999);
  cursor: pointer; font-size: 0.72rem; font-weight: 600;
  font-family: inherit; opacity: 0.3;
  transition: opacity 0.15s, background 0.15s;
  line-height: 1.6;
}
.model-toggle.active {
  opacity: 1;
  background: color-mix(in srgb, var(--tc) 10%, transparent);
}

.chart-desc {
  font-size: 0.875rem; color: var(--text-muted);
  line-height: 1.65; margin-bottom: 0.75rem;
  max-width: 72ch;
}
/* 7-radar grid */
.radar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: var(--space-xl);
}
.radar-card { margin-bottom: 0; padding: 0.25rem 0.5rem 0; }
/* Centre the lone 7th card */
.radar-grid .radar-card:last-child:nth-child(3n+1) { grid-column: 2; }
@media (max-width: 860px) {
  .radar-grid { grid-template-columns: repeat(2, 1fr); }
  .radar-grid .radar-card:last-child:nth-child(3n+1) { grid-column: auto; }
  .radar-grid .radar-card:last-child:nth-child(2n+1) { grid-column: 1 / -1; max-width: 320px; margin-inline: auto; }
}
@media (max-width: 500px) {
  .radar-grid { grid-template-columns: 1fr; }
  .radar-grid .radar-card:last-child { max-width: none; }
}

/* ---- LLM section: supplementary styles -------------------- */
.section-intro {
  font-size: 1rem; color: var(--text); line-height: 1.75;
  max-width: 72ch; margin-bottom: var(--space-xl);
}

.subsection-title {
  font-size: 1.1rem; font-weight: 700; color: var(--text);
  margin: var(--space-xl) 0 var(--space-md);
  padding-bottom: 0.4rem; border-bottom: 2px solid var(--border);
}

/* Stat items inside .finding-callout */
.stat-item {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; flex: 1; min-width: 140px;
}
.stat-number {
  font-size: 2.4rem; font-weight: 800; color: var(--accent); line-height: 1;
}
.stat-denom {
  font-size: 1.5rem; font-weight: 600; color: var(--accent-hover);
}
.stat-label {
  font-size: 0.78rem; color: var(--text-muted); margin-top: 6px;
  max-width: 130px; line-height: 1.4;
}


/* LLM failure panel internals */
.llm-action-log {
  padding: var(--space-md); background: var(--bg-alt);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.llm-msg {
  font-size: 0.82rem; line-height: 1.55; padding: 7px 11px;
  border-radius: 5px; margin-bottom: 6px;
}
.llm-msg.human-input  { background: var(--warn-tint); color: #6b4a14; border-left: 3px solid var(--warn); }
.llm-msg.robot-response { background: #eef1f6; color: var(--navy); border-left: 3px solid var(--navy-light); }
.llm-msg.llm-bad      { background: var(--accent-light); color: var(--accent-hover); border-left: 3px solid var(--accent); }
.llm-action-line {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-muted);
  padding: 4px 0;
}
.action-label {
  background: var(--bg-alt); color: var(--text-muted); font-size: 0.65rem;
  font-weight: 700; padding: 1px 6px; border-radius: 3px;
  text-transform: uppercase; white-space: nowrap; flex-shrink: 0;
  border: 1px solid var(--border);
}
.llm-action-line code {
  color: var(--navy); background: transparent;
  font-size: 0.72rem; padding: 0;
}
.llm-panel-note { border-top: 1px solid #e2cd9d; }

@media (max-width: 720px) {
  .cap-table-head,
  .cap-table-row { grid-template-columns: 1fr; }
  .cap-col-onto, .cap-col-llm { border-right: none; }
  .llm-failure-grid { grid-template-columns: 1fr; }
  .finding-stats { flex-direction: column; align-items: center; gap: var(--space-md); }
}

/* ================================================================
   RADAR CHART – maximize button + modal overlay
   ================================================================ */
.radar-card { position: relative; cursor: pointer; transition: box-shadow 0.15s; }
.radar-card:hover { box-shadow: 0 4px 20px rgba(30,60,120,0.13); }
.radar-maximize-btn {
  position: absolute; top: 0.45rem; right: 0.45rem; z-index: 2;
  background: rgba(255,255,255,0.85); border: 1px solid var(--border);
  border-radius: 5px; padding: 4px 7px; cursor: pointer;
  color: var(--text-muted); font-size: 0.75rem; line-height: 1;
  transition: color 0.15s, background 0.15s, box-shadow 0.15s;
}
.radar-maximize-btn:hover {
  color: var(--accent); background: #fff;
  box-shadow: 0 2px 8px rgba(30,60,120,0.12);
}

.radar-modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(15,23,42,0.65); z-index: 2000;
  align-items: center; justify-content: center;
  padding: 1.5rem;
}
.radar-modal-overlay.open { display: flex; }

.radar-modal-inner {
  background: #fff; border-radius: var(--radius-md);
  padding: 1.5rem 1.5rem 1rem;
  width: min(620px, 95vw);
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  animation: radarModalIn 0.18s ease;
}
@keyframes radarModalIn {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}

.radar-modal-close {
  position: absolute; top: 0.75rem; right: 0.75rem;
  background: none; border: none; cursor: pointer;
  font-size: 1.1rem; color: var(--text-muted); padding: 4px 8px;
  border-radius: 4px; transition: color 0.15s, background 0.15s;
}
.radar-modal-close:hover { color: var(--text); background: var(--bg-alt); }

/* ================================================================
   BACKGROUND SECTION – pillars
   ================================================================ */
.bg-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: var(--space-md);
}
.bg-pillar {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.4rem 1.5rem;
  transition: box-shadow 0.15s;
}
.bg-pillar:hover { box-shadow: 0 4px 18px rgba(30,60,120,0.09); }
.bg-pillar-icon {
  width: 38px; height: 38px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: var(--accent);
  margin-bottom: 0.75rem;
}
.bg-pillar-title {
  font-size: 0.97rem; font-weight: 700; color: var(--text);
  margin: 0 0 0.55rem;
}
.bg-pillar p {
  font-size: 0.88rem; line-height: 1.7; color: var(--text-muted); margin: 0;
}
@media (max-width: 720px) {
  .bg-pillars { grid-template-columns: 1fr; }
}

/* ================================================================
   GLOSSARY SECTION
   ================================================================ */
.gloss-search-wrap {
  margin-bottom: 1rem; text-align: center;
}
.gloss-search-input {
  width: 100%; max-width: 440px;
  padding: 0.65rem 1.1rem;
  border: 2px solid var(--border); border-radius: 24px;
  font-size: 0.92rem; font-family: var(--font);
  background: #fff; color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.gloss-search-input:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(165,52,43,0.14);
}

.gloss-alpha-nav {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 6px; margin-bottom: 1.2rem;
}
.gloss-alpha-btn {
  background: #fff; color: var(--text); border: 2px solid var(--border);
  border-radius: 6px; padding: 5px 11px; font-size: 0.8rem;
  font-weight: 600; cursor: pointer; font-family: var(--font);
  transition: all 0.15s;
}
.gloss-alpha-btn:hover { border-color: var(--accent); color: var(--accent); }
.gloss-alpha-btn.active {
  background: var(--accent); color: #fff; border-color: var(--accent);
}

.gloss-container {
  max-width: 900px; margin-inline: auto;
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-md);
  max-height: 640px; overflow-y: auto;
  padding: var(--space-lg);
  box-shadow: 0 4px 20px rgba(30,60,120,0.07);
}

.gloss-alpha-header {
  font-size: 1.3rem; font-weight: 700; color: var(--accent);
  padding: 0.75rem 0 0.4rem;
  border-bottom: 2px solid var(--border);
  margin-top: 1.5rem;
}
.gloss-section:first-child .gloss-alpha-header { margin-top: 0; }

.gloss-term {
  background: var(--bg-alt); border: 1px solid var(--border);
  border-radius: 8px; padding: 0.8rem 1rem; margin: 0.75rem 0;
  transition: box-shadow 0.15s, border-color 0.15s;
}
.gloss-term:hover { box-shadow: 0 4px 12px rgba(30,60,120,0.09); border-color: var(--accent); }

.gloss-inner {
  display: flex; align-items: flex-start; gap: 0.85rem;
}
.gloss-badge {
  width: 36px; height: 36px; min-width: 36px;
  background: var(--accent); color: #fff; border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1rem;
}
.gloss-body { flex: 1; }
.gloss-title {
  font-size: 0.92rem; font-weight: 600; color: var(--text);
  margin: 0 0 0.35rem;
}
.gloss-def {
  font-size: 0.83rem; line-height: 1.6; color: var(--text-muted); margin: 0;
}

/* ================================================================
   LLM RESULTS – hallucination video
   ================================================================ */
.llm-video-section {
  margin: var(--space-xl) 0;
  width: 100%;
  text-align: center;
}
.llm-demo-video {
  width: 100%; border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md); cursor: pointer;
  display: block;
}