/* Liminality Design System · Editorial Precision (premi-laurea-hub pattern) */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

:root {
  --paper: #f5f4ef;
  --card: #faf9f5;
  --badge: #eae8e0;
  --ink: #0e0d0a;
  --muted: #595850;
  --line: #d7d6cf;
  --grid-line: rgba(14, 13, 10, 0.04);
  --scrollbar-thumb: rgba(14, 13, 10, 0.18);
  --scrollbar-thumb-hover: rgba(14, 13, 10, 0.32);
}

html[data-theme="dark"],
html.dark {
  --paper: #0e0d0a;
  --card: #151410;
  --badge: #22211c;
  --ink: #f5f4ef;
  --muted: #a3a195;
  --line: #2a2924;
  --grid-line: rgba(245, 244, 239, 0.04);
  --scrollbar-thumb: rgba(245, 244, 239, 0.18);
  --scrollbar-thumb-hover: rgba(245, 244, 239, 0.32);
  color-scheme: dark;
}

html, body {
  background-color: var(--paper) !important;
  color: var(--ink) !important;
  font-family: 'Space Grotesk', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  letter-spacing: -0.015em;
}

::selection {
  background-color: var(--ink);
  color: var(--paper);
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.tabular-nums {
  font-variant-numeric: tabular-nums;
}

.font-display { font-family: 'Space Grotesk', sans-serif !important; letter-spacing: -0.02em; }
.font-tech { font-family: 'Space Mono', monospace !important; letter-spacing: 0.04em; }

/* Adaptive Brand Logo in Light / Dark Mode */
html[data-theme="dark"] img[alt="Liminality"],
html.dark img[alt="Liminality"],
html[data-theme="dark"] .brand-symbol,
html.dark .brand-symbol {
  filter: invert(1);
}
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]):not(.light) img[alt="Liminality"],
  html:not([data-theme="light"]):not(.light) .brand-symbol {
    filter: invert(1);
  }
}

/* Liminality subtle technical grid pattern */
.liminal-grid {
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* Minimalist scrollbars */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 9999px; }
::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover); }

/* Custom Leaflet Popup Styling (Dark & Light) */
.leaflet-popup-content-wrapper {
  background: var(--card) !important;
  color: var(--ink) !important;
  border-radius: 12px !important;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25) !important;
  border: 1px solid var(--line) !important;
  padding: 4px !important;
}
.leaflet-popup-tip { background: var(--card) !important; }
.leaflet-popup-close-button { color: var(--muted) !important; padding: 6px 10px !important; }
.leaflet-popup-close-button:hover { color: var(--ink) !important; }

/* Xcode / VS Code Splitter Resize Handle */
#sidebarResizer.is-dragging {
  background-color: rgba(14, 13, 10, 0.1) !important;
}
html.dark #sidebarResizer.is-dragging {
  background-color: rgba(245, 244, 239, 0.1) !important;
}
#sidebarResizer.is-dragging .divider-hairline {
  background-color: var(--ink) !important;
}
#sidebarResizer.is-dragging .grip-indicator {
  opacity: 1 !important;
  transform: scaleY(1.25) !important;
  background-color: var(--ink) !important;
}

/* Map Marker Clusters (Apple Maps & Liminality Style) */
.custom-cluster-marker {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}
.lim-cluster-pill {
  width: 32px;
  height: 32px;
  border-radius: 9999px;
  background-color: var(--ink);
  color: var(--paper);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}
.lim-cluster-pill:hover {
  transform: scale(1.15);
  border-color: var(--ink);
}