/* SynchroNotes Modern Minimalist Typography & UI */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --bg-main: #ffffff;
  --bg-sidebar: #fbfbfa;
  --border-subtle: #ebebe9;
  --text-primary: #191919;
  --text-secondary: #6b6b6b;
  --text-muted: #9b9b9b;
  --accent-blue: #2563eb;
  --accent-hover: #1d4ed8;
}

.dark {
  --bg-main: #141414;
  --bg-sidebar: #191919;
  --border-subtle: #2b2b2b;
  --text-primary: #f3f3f3;
  --text-secondary: #a3a3a3;
  --text-muted: #666666;
  --accent-blue: #3b82f6;
  --accent-hover: #60a5fa;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--bg-main);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

code, pre, kbd {
  font-family: var(--font-mono);
}

/* Custom Notion-style Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(150, 150, 150, 0.3);
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(150, 150, 150, 0.5);
}

/* Notion Sidebar Styles */
.nav-tree-item {
  transition: all 0.15s ease-in-out;
}
.nav-tree-item.active {
  background-color: rgba(37, 99, 235, 0.08);
  color: #2563eb;
  font-weight: 500;
}
.dark .nav-tree-item.active {
  background-color: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
}

/* Doc Headings */
.doc-heading {
  scroll-margin-top: 5rem;
}
.doc-heading:hover .heading-anchor {
  opacity: 1;
}
.heading-anchor {
  opacity: 0;
  transition: opacity 0.2s;
  margin-left: 0.5rem;
  color: var(--text-muted);
}

/* Version Comparison Card */
.version-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* Search Modal Overlay */
.modal-backdrop {
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

/* Table of Contents Active Link */
.toc-link.active {
  color: #2563eb;
  font-weight: 600;
  border-left-color: #2563eb;
}
.dark .toc-link.active {
  color: #60a5fa;
  border-left-color: #60a5fa;
}

/* Custom Animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in {
  animation: fadeIn 0.2s ease-out forwards;
}