:root {
  --primary-blue: #003B66;
  --primary-active: #305778;
  --accent-red: #DE452B;
  --accent-color: #1794FF;
  --white: #FFFFFF;
  --off-white: #FEFEFE;
  --light-gray: #F7F7F7;
  --border-gray: #949698;
  --medium-gray: #858585;
  --dark-gray: #221F20;
  --text-black: #000000;
  --info-blue: #2DBFFF;
  --warning-orange: #BC6300;
  --warning-background: #FFECD7;
  --error-red: #C20000;
  --border-light: rgba(0, 0, 0, 0.05);
  --border-medium: rgba(0, 0, 0, 0.13);
  --shadow-color: rgba(0, 0, 0, 0.26);
  --shadow-light: rgba(0, 0, 0, 0.19);
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--dark-gray);
  background: var(--light-gray);
  height: 100vh;
  display: flex;
  flex-direction: column;
}

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

.app-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  grid-template-rows: auto 1fr;
  height: 100%;
  width: 100%;
}

.app-header {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 60px;
  background: var(--white);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 1px 3px var(--shadow-light);
}

.header-left { display: flex; align-items: center; gap: 16px; }
.header-logo { display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--primary-blue); font-size: 16px; }
.header-breadcrumb { font-size: 14px; color: var(--medium-gray); }

.header-right { display: flex; align-items: center; gap: 16px; }
.user-chip { background: var(--light-gray); border-radius: 20px; padding: 6px 12px; font-size: 13px; color: var(--primary-blue); }
.user-menu button { background: none; border: none; cursor: pointer; color: var(--primary-blue); font-size: 13px; }

.sidebar {
  grid-row: 2;
  background: var(--primary-blue);
  color: var(--off-white);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
}

.sidebar h3 { margin: 0; font-size: 14px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--off-white); }
.sidebar input, .sidebar select {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1);
  color: var(--off-white);
  font-size: 13px;
}
.sidebar input::placeholder { color: rgba(255,255,255,0.6); }
.sidebar select { color: var(--primary-blue); background: var(--off-white); }

.sidebar .results { background: rgba(0,0,0,0.15); border-radius: 12px; overflow-y: auto; max-height: 45vh; }
.sidebar .results a { display: block; padding: 10px 12px; color: var(--off-white); border-bottom: 1px solid rgba(255,255,255,0.1); font-size: 13px; }
.sidebar .results a:hover { background: rgba(0,0,0,0.25); }

.main-content {
  grid-row: 2;
  padding: 24px;
  overflow-y: auto;
  display: flex;
  gap: 24px;
}

.main-col { flex: 1; max-width: 1188px; }
.panel { background: var(--white); border-radius: 12px; box-shadow: 0 2px 6px rgba(0,0,0,0.05); margin-bottom: 24px; padding: 20px; }
.panel h2 { margin-top: 0; font-size: 24px; color: var(--primary-blue); }
.panel h3 { color: var(--primary-blue); margin-top: 24px; }
.panel .muted { color: var(--medium-gray); font-size: 13px; }

.meta-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-top: 12px; }
.meta-card { background: var(--light-gray); padding: 10px; border-radius: 8px; font-size: 13px; }
.meta-card strong { display: block; color: var(--primary-blue); margin-bottom: 4px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; }

.tag-chip { display: inline-block; padding: 4px 8px; margin: 0 4px 4px 0; background: rgba(23,148,255,0.15); color: var(--primary-blue); border-radius: 999px; font-size: 12px; }
.entity-chip { display: inline-block; padding: 4px 8px; margin: 0 4px 4px 0; background: rgba(255,255,255,0.75); color: var(--primary-blue); border-radius: 999px; font-size: 12px; border: 1px solid rgba(0,0,0,0.08); }

.metrics table { width: 100%; border-collapse: collapse; }
.metrics th, .metrics td { padding: 10px 12px; border-bottom: 1px solid var(--border-light); text-align: left; font-size: 12px; }
.metrics th { background: var(--light-gray); color: var(--primary-blue); }

.ai-panel {
  width: 320px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  display: flex;
  flex-direction: column;
  padding: 16px;
}

.ai-panel h3 { margin: 0 0 12px 0; color: var(--primary-blue); }
.ai-chat { flex: 1; overflow-y: auto; background: var(--light-gray); border-radius: 8px; padding: 12px; margin-bottom: 12px; }
.ai-input { display: flex; gap: 8px; }
.ai-input textarea { flex: 1; padding: 10px; border-radius: 8px; border: 1px solid var(--border-medium); font-size: 13px; }
.ai-input button { padding: 10px 14px; background: var(--primary-blue); color: var(--white); border: none; border-radius: 8px; cursor: pointer; }

.login-screen {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0,59,102,0.9), rgba(23,148,255,0.7));
}

.login-card {
  width: 360px;
  background: var(--white);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}
.login-card h1 { margin: 0 0 24px 0; color: var(--primary-blue); font-size: 24px; text-align: center; }
.login-card label { display: block; font-size: 13px; color: var(--medium-gray); margin-bottom: 6px; }
.login-card input { width: 100%; padding: 12px; border-radius: 8px; border: 1px solid var(--border-medium); margin-bottom: 16px; font-size: 14px; }
.login-card button { width: 100%; padding: 12px; border-radius: 8px; border: none; background: var(--primary-blue); color: var(--white); font-size: 15px; cursor: pointer; }
.login-card button:hover { background: var(--primary-active); }
.login-card .link { text-align: center; margin-top: 12px; }

.breadcrumbs { font-size: 13px; color: var(--medium-gray); }
.breadcrumbs span { color: var(--primary-blue); }
.breadcrumbs a { color: var(--medium-gray); }

.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.dashboard-card { background: var(--white); border-radius: 12px; padding: 20px; box-shadow: 0 2px 6px rgba(0,0,0,0.05); display: flex; flex-direction: column; gap: 12px; }
.dashboard-card h4 { margin: 0; color: var(--primary-blue); }
.dashboard-card p { margin: 0; font-size: 13px; color: var(--medium-gray); }
.dashboard-card button { align-self: flex-start; padding: 8px 12px; border-radius: 8px; background: var(--accent-color); color: var(--white); border: none; cursor: pointer; font-size: 13px; }
.dashboard-card button:hover { background: #147ed5; }

.hidden { display: none !important; }

.dashboard-screen { padding: 12px 0 40px; }

.start-shell { max-width: 1180px; margin: 0 auto 48px; padding: 0 8px 32px; }
.start-hero { background: var(--white); border-radius: 16px; padding: 28px 32px; box-shadow: 0 16px 40px rgba(0,59,102,0.08); margin-bottom: 32px; }
.start-hero h1 { margin: 0 0 12px; font-size: 32px; color: var(--primary-blue); }
.start-meta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; font-size: 13px; color: var(--medium-gray); }
.context-chip { display: inline-flex; align-items: center; gap: 6px; background: rgba(23,148,255,0.15); color: var(--primary-blue); border-radius: 999px; padding: 6px 12px; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.cta-bar { display: flex; flex-wrap: wrap; gap: 12px; }
.cta-bar a { display: inline-flex; align-items: center; gap: 8px; padding: 12px 16px; border-radius: 10px; border: 1px solid var(--border-medium); background: var(--white); color: var(--primary-blue); font-weight: 600; text-decoration: none; font-size: 14px; }
.cta-bar a:hover { background: rgba(0,59,102,0.05); }
.start-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 24px; }
.start-section { background: var(--white); border-radius: 14px; padding: 24px 28px; box-shadow: 0 6px 24px rgba(0,0,0,0.08); margin-bottom: 24px; }
.start-section h2 { margin-top: 0; color: var(--primary-blue); font-size: 22px; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 16px; }
.info-card { background: var(--light-gray); border-radius: 12px; padding: 16px; border: 1px solid rgba(0,59,102,0.08); }
.info-card h3 { margin: 0 0 8px; font-size: 16px; color: var(--primary-blue); }
.info-card p { margin: 0; font-size: 14px; line-height: 1.5; }
.info-card a { display: inline-flex; margin-top: 12px; font-weight: 600; font-size: 13px; }
.path-list { counter-reset: step; display: grid; gap: 18px; margin: 0; padding: 0; list-style: none; }
.path-item { background: var(--white); border: 1px solid rgba(0,0,0,0.08); border-radius: 12px; padding: 18px 20px; box-shadow: 0 3px 12px rgba(0,0,0,0.06); }
.path-item::before { counter-increment: step; content: counter(step); display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background: var(--primary-blue); color: var(--white); font-weight: 600; margin-right: 12px; }
.path-header { display: flex; align-items: center; margin-bottom: 8px; font-size: 16px; color: var(--primary-blue); }
.path-body { margin: 0 0 12px; font-size: 14px; line-height: 1.6; color: var(--dark-gray); }
.path-links a { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; margin-right: 12px; text-decoration: none; color: var(--primary-blue); }
.path-links a:hover { text-decoration: underline; }
.side-panel { display: flex; flex-direction: column; gap: 20px; }
.side-card { background: var(--white); border-radius: 12px; padding: 20px; box-shadow: 0 4px 18px rgba(0,0,0,0.08); }
.side-card h3 { margin: 0 0 12px; font-size: 16px; color: var(--primary-blue); }
.assoc-group { margin-bottom: 16px; }
.assoc-group:last-child { margin-bottom: 0; }
.assoc-group strong { display: block; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--medium-gray); margin-bottom: 6px; }
.assoc-item { display: block; padding: 8px 0; border-bottom: 1px solid rgba(0,0,0,0.06); font-size: 13px; text-decoration: none; color: var(--primary-blue); }
.assoc-item:last-child { border-bottom: none; }
.assoc-item span { display: block; color: var(--primary-blue); font-weight: 600; }
.assoc-item small { color: var(--medium-gray); }
.next-steps ul { margin: 0; padding-left: 18px; }
.next-steps li { margin-bottom: 8px; font-size: 14px; }

@media (max-width: 960px) {
  .start-layout { grid-template-columns: 1fr; }
  .side-panel { flex-direction: column; }
}

@media (max-width: 1024px) {
  .app-shell { grid-template-columns: 240px 1fr; }
  .ai-panel { display: none; }
}

@media (max-width: 768px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { grid-column: 1; grid-row: 2; }
  .main-content { grid-column: 1; grid-row: 3; }
  .ai-panel { display: none; }
  .app-header { flex-wrap: wrap; height: auto; gap: 12px; }
}

.node-screen { display:flex; flex-direction:column; gap:24px; }
.node-hero { padding:28px 32px; border-radius:16px; box-shadow:0 12px 32px rgba(0,59,102,0.08); }
.node-hero h1 { margin:0 0 12px; font-size:30px; color:var(--primary-blue); }
.hero-top { display:flex; align-items:center; gap:12px; margin-bottom:12px; }
.hero-type { font-size:12px; letter-spacing:0.08em; text-transform:uppercase; color:var(--medium-gray); }
.hero-summary { margin:0 0 16px; font-size:16px; line-height:1.6; color:var(--dark-gray); }
.hero-meta { display:flex; flex-wrap:wrap; gap:12px; font-size:13px; color:var(--medium-gray); }
.hero-meta div { background:var(--light-gray); border-radius:8px; padding:8px 12px; }
.meta-chips { display:flex; flex-wrap:wrap; gap:8px; margin-top:12px; }
.keyword-chip { display:inline-flex; align-items:center; padding:4px 10px; border-radius:999px; background:rgba(23,148,255,0.2); color:var(--primary-blue); font-size:12px; font-weight:600; }
.node-layout { display:grid; grid-template-columns:minmax(0,1fr) 320px; gap:24px; }
.node-main { display:flex; flex-direction:column; gap:24px; }
.node-aside { display:flex; flex-direction:column; gap:20px; }
.node-content { font-size:15px; line-height:1.7; }
.node-content h2 { font-size:22px; margin-top:28px; color:var(--primary-blue); }
.node-content h3 { font-size:18px; margin-top:24px; color:var(--primary-blue); }
.node-content p { margin:0 0 16px; }
.node-content-body { min-height:220px; }
.node-related h3 { margin-top:0; color:var(--primary-blue); }
.node-related-body { font-size:14px; line-height:1.6; }
.node-metrics-body { font-size:14px; }
.related-group strong { display:block; font-size:12px; letter-spacing:0.08em; text-transform:uppercase; color:var(--medium-gray); margin-bottom:6px; }
.related-item { display:flex; flex-direction:column; padding:8px 0; border-bottom:1px solid rgba(0,0,0,0.06); font-size:13px; }
.related-item:last-child { border-bottom:none; }
.related-item a { font-weight:600; color:var(--primary-blue); }
.related-item small { color:var(--medium-gray); }
.persona-chip { display:inline-flex; align-items:center; gap:6px; background:rgba(23,148,255,0.15); color:var(--primary-blue); border-radius:999px; padding:6px 12px; font-size:13px; font-weight:600; text-transform:uppercase; letter-spacing:0.05em; }
@media (max-width: 960px){
  .node-layout { grid-template-columns:1fr; }
  .node-aside { flex-direction:column; }
}


.doc-shell { max-width: 1180px; margin: 32px auto 64px; padding: 0 24px; }
.doc-hero { background: var(--white); border-radius: 16px; padding: 28px 32px; box-shadow: 0 16px 40px rgba(0,59,102,0.08); margin-bottom: 32px; }
.doc-hero h1 { margin: 0 0 12px; font-size: 32px; color: var(--primary-blue); }
.doc-hero-top { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.doc-type { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--medium-gray); }
.doc-summary { margin: 0 0 16px; font-size: 16px; line-height: 1.6; color: var(--dark-gray); }
.doc-meta { display: flex; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--medium-gray); }
.doc-meta div { background: var(--light-gray); border-radius: 8px; padding: 8px 12px; }
.doc-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.doc-chip, .keyword-chip { display: inline-flex; align-items: center; padding: 4px 10px; border-radius: 999px; background: rgba(23,148,255,0.2); color: var(--primary-blue); font-size: 12px; font-weight: 600; }
.doc-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 24px; }
.doc-main { display: flex; flex-direction: column; gap: 24px; }
.doc-aside { display: flex; flex-direction: column; gap: 20px; }
.doc-panel { background: var(--white); border-radius: 14px; padding: 24px 28px; box-shadow: 0 6px 24px rgba(0,0,0,0.08); }
.doc-panel h2 { margin-top: 0; color: var(--primary-blue); font-size: 20px; }
.doc-content { font-size: 15px; line-height: 1.7; }
.doc-content h2 { font-size: 22px; margin-top: 28px; color: var(--primary-blue); }
.doc-content h3 { font-size: 18px; margin-top: 24px; color: var(--primary-blue); }
.doc-related strong { display: block; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--medium-gray); margin-bottom: 6px; }
.doc-related .related-item { display: flex; flex-direction: column; padding: 8px 0; border-bottom: 1px solid rgba(0,0,0,0.06); font-size: 13px; }
.doc-related .related-item:last-child { border-bottom: none; }
.doc-related .related-item a { font-weight: 600; color: var(--primary-blue); }
.doc-related .related-item small { color: var(--medium-gray); }
.back-link { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 20px; font-weight: 600; color: var(--primary-blue); text-decoration: none; }
.back-link:hover { text-decoration: underline; }
@media (max-width: 960px){
  .doc-layout { grid-template-columns: 1fr; }
  .doc-aside { flex-direction: column; }
}


.section-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.section-filter button { padding: 6px 10px; border-radius: 999px; border: 1px solid rgba(255,255,255,0.6); background: transparent; color: var(--off-white); font-size: 12px; cursor: pointer; transition: background 0.2s, color 0.2s; }
.section-filter button:hover { background: rgba(255,255,255,0.1); }
.section-filter button.active { background: var(--off-white); color: var(--primary-blue); }
.section-filter button.reset { border-color: rgba(255,255,255,0.3); color: rgba(255,255,255,0.8); }
.section-filter button.reset.active { background: rgba(255,255,255,0.2); color: var(--off-white); }