:root {
  --primary: #0a5c7e;
  --primary-light: #1a8cbe;
  --primary-dark: #063349;
  --accent: #e8a838;
  --bg: #f8f9fa;
  --card-bg: #ffffff;
  --text: #1a1a2e;
  --text-secondary: #555;
  --border: #dee2e6;
  --sidebar-width: 300px;
  --header-height: 60px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 15px;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-height);
  background: var(--primary-dark);
  color: #fff;
  display: flex; align-items: center; padding: 0 24px;
  gap: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.site-header .logo { font-weight: 700; font-size: 18px; letter-spacing: -0.5px; }
.site-header .logo span { color: var(--accent); }
.site-header .subtitle { font-size: 13px; opacity: 0.7; margin-left: 8px; }
.menu-toggle {
  display: none; background: none; border: none; color: #fff;
  font-size: 24px; cursor: pointer; margin-right: 8px;
}

/* Sidebar */
.sidebar {
  position: fixed; top: var(--header-height); left: 0; bottom: 0;
  width: var(--sidebar-width);
  background: var(--card-bg);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 20px 0;
  z-index: 90;
  transition: transform 0.3s ease;
}
.sidebar h3 {
  font-size: 11px; text-transform: uppercase; letter-spacing: 1px;
  color: var(--text-secondary); padding: 8px 20px; margin-top: 8px;
}
.sidebar .phase-title {
  font-weight: 600; font-size: 13px; padding: 4px 20px; color: var(--primary);
}
.sidebar a {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 20px 6px 30px;
  font-size: 13px; color: var(--text); border-left: 3px solid transparent;
  transition: all 0.15s;
}
.sidebar a:hover, .sidebar a.active {
  background: #eef4f8; border-left-color: var(--primary); text-decoration: none;
}
.sidebar a .ord { font-size: 11px; color: var(--text-secondary); min-width: 24px; }
.sidebar a .status { font-size: 11px; color: var(--accent); margin-left: auto; }
.sidebar .role-section { margin-top: 12px; border-top: 1px solid var(--border); padding-top: 8px; }
.sidebar .role-section a { padding-left: 20px; font-size: 12px; color: var(--text-secondary); }

/* Main content */
.main-content {
  margin-top: var(--header-height);
  margin-left: var(--sidebar-width);
  padding: 40px 48px;
  max-width: 960px;
}
.main-content h1 {
  font-size: 28px; font-weight: 700; margin-bottom: 16px;
  color: var(--primary-dark); padding-bottom: 12px;
  border-bottom: 3px solid var(--accent);
}
.main-content h2 {
  font-size: 20px; font-weight: 600; margin: 32px 0 12px; color: var(--primary);
}
.main-content h3 { font-size: 17px; font-weight: 600; margin: 24px 0 8px; }
.main-content p { margin-bottom: 12px; }
.main-content ul, .main-content ol { margin: 8px 0 16px 24px; }
.main-content li { margin-bottom: 4px; }
.main-content table {
  width: 100%; border-collapse: collapse; margin: 16px 0;
  font-size: 14px;
}
.main-content th, .main-content td {
  border: 1px solid var(--border); padding: 8px 12px; text-align: left;
}
.main-content th { background: var(--primary); color: #fff; font-weight: 600; }
.main-content tr:nth-child(even) { background: #f2f6f9; }
.main-content code {
  background: #eef4f8; padding: 2px 6px; border-radius: 3px;
  font-size: 13px; font-family: 'SF Mono', Consolas, monospace;
}
.main-content pre {
  background: #1a1a2e; color: #e8e8e8; padding: 16px; border-radius: 6px;
  overflow-x: auto; margin: 16px 0; font-size: 13px;
}
.main-content blockquote {
  border-left: 4px solid var(--accent); padding: 12px 20px;
  margin: 16px 0; background: #fef9ef; border-radius: 0 6px 6px 0;
}
.main-content hr { border: none; border-top: 1px solid var(--border); margin: 32px 0; }
.main-content img { max-width: 100%; border-radius: 6px; }

/* Index page specific */
.index-hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff; padding: 48px; border-radius: 12px; margin-bottom: 32px;
}
.index-hero h1 { color: #fff; border: none; font-size: 32px; }
.index-hero p { opacity: 0.9; font-size: 16px; margin-top: 8px; }
.index-hero .pill {
  display: inline-block; background: var(--accent); color: var(--primary-dark);
  padding: 4px 14px; border-radius: 20px; font-size: 13px; font-weight: 600;
  margin-top: 16px;
}
.phase-card {
  background: var(--card-bg); border-radius: 10px; padding: 24px;
  margin-bottom: 20px; border: 1px solid var(--border);
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.phase-card h2 { margin-top: 0; font-size: 18px; border-bottom: 2px solid var(--accent); padding-bottom: 8px; }
.doc-list { list-style: none; margin: 12px 0 0 0 !important; padding: 0; }
.doc-list li {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: 6px; margin-bottom: 4px;
  transition: background 0.15s;
}
.doc-list li:hover { background: #f2f6f9; }
.doc-list .ord {
  background: var(--primary); color: #fff; font-weight: 700;
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; flex-shrink: 0;
}
.doc-list .info { flex: 1; }
.doc-list .info .title { font-weight: 600; font-size: 14px; }
.doc-list .info .desc { font-size: 13px; color: var(--text-secondary); }
.doc-list .status-badge {
  font-size: 11px; padding: 2px 10px; border-radius: 12px;
  background: #e8f5e9; color: #2e7d32; font-weight: 600;
}

/* Role cards */
.role-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px; margin: 16px 0;
}
.role-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 16px; text-align: center;
}
.role-card h4 { font-size: 14px; color: var(--primary); margin-bottom: 4px; }
.role-card .route { font-size: 12px; color: var(--text-secondary); }
.role-card .arrow { color: var(--accent); font-size: 18px; }

/* Mobile responsive */
@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open { transform: translateX(0); }
  .main-content {
    margin-left: 0; padding: 24px 16px;
  }
  .index-hero { padding: 24px; }
  .index-hero h1 { font-size: 24px; }
  .role-grid { grid-template-columns: 1fr 1fr; }
}

/* Print */
@media print {
  .sidebar, .site-header { display: none; }
  .main-content { margin-left: 0; margin-top: 0; padding: 20px; }
}