:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface2: #eef1f6;
  --border: #d8e0ea;
  --text: #1a2332;
  --text-muted: #5c6b7f;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --profession: #d97706;
  --specialty: #059669;
  --group: #4f46e5;
  --highlight: #dc2626;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand h1 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.3;
  color: var(--accent);
}

.subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.stats {
  display: flex;
  gap: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.stats span strong {
  color: var(--text);
  display: block;
  font-size: 1.1rem;
}

.main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
}

.search-section {
  margin-bottom: 1.5rem;
}

.search-box {
  display: flex;
  gap: 0.5rem;
}

.search-box input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.search-box input:focus {
  border-color: var(--accent);
}

.search-box button {
  padding: 0.75rem 1.5rem;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
}

.search-box button:hover { background: var(--accent-hover); }

.search-results {
  margin-top: 0.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  display: none;
}

.search-results.visible { display: block; }

.result-item {
  padding: 0.75rem 1rem;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: background 0.15s;
}

.result-item:last-child { border-bottom: none; }
.result-item:hover { background: var(--surface2); }

.result-code {
  font-family: 'Consolas', monospace;
  font-weight: 600;
  color: var(--accent);
  min-width: 100px;
}

.result-name { flex: 1; }

.result-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: right;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge.profession { background: rgba(217,119,6,0.12); color: var(--profession); }
.badge.specialty { background: rgba(5,150,105,0.12); color: var(--specialty); }

.content {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1rem;
  min-height: 600px;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.selected-entry, .timeline {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
}

.selected-entry h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.selected-entry .code {
  font-family: 'Consolas', monospace;
  font-size: 1.25rem;
  color: var(--accent);
  font-weight: 700;
}

.selected-entry .name {
  font-size: 1rem;
  margin: 0.5rem 0;
}

.selected-entry .order-info {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.timeline h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.timeline-item {
  position: relative;
  padding-left: 1.25rem;
  padding-bottom: 1rem;
  border-left: 2px solid var(--border);
  margin-left: 0.5rem;
  cursor: pointer;
  transition: opacity 0.15s;
}

.timeline-item:last-child { border-left-color: transparent; padding-bottom: 0; }

.timeline-item::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}

.timeline-item.active::before { background: var(--highlight); }
.timeline-item:hover { opacity: 0.8; }

.timeline-year {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.timeline-group-entries {
  margin-top: 0.25rem;
}

.timeline-entry {
  padding: 0.15rem 0;
}

.timeline-entry.active {
  background: rgba(37, 99, 235, 0.05);
  border-radius: 6px;
}

.timeline-code {
  font-family: 'Consolas', monospace;
  font-size: 0.85rem;
  color: var(--accent);
}

.timeline-name {
  font-size: 0.85rem;
}

.graph-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
}

#graph {
  width: 100%;
  height: 600px;
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.empty-icon { font-size: 3rem; margin-bottom: 1rem; }

.empty-state h2 {
  color: var(--text);
  margin-bottom: 0.5rem;
}

.empty-state p { margin-bottom: 1.5rem; }

.order-list {
  list-style: none;
  text-align: left;
  max-width: 500px;
  margin: 0 auto 2rem;
}

.order-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.order-list li strong { color: var(--text); }

@media (max-width: 900px) {
  .content { grid-template-columns: 1fr; }
  #graph { height: 400px; }
}