/* Dynamic Type: on iOS Safari + WKWebView, `font: -apple-system-body`
   ties the root font size to the user's Settings → Display & Brightness
   → Text Size setting. All px-based font sizes in our CSS are converted
   to rem so they scale proportionally. Wrapped in @supports so non-iOS
   browsers fall back to the standard 16px / 100% root size. */
@supports (font: -apple-system-body) {
  html { font: -apple-system-body; }
}
/* Preserve our font family + smoothing even when -apple-system-body
   takes over the `font` shorthand above. */
html, body {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
}

:root,
[data-theme="dark"] {
  --bg:          #060a0f;
  --surface:     #0d1520;
  --surface2:    #132030;
  --border:      #1a2d3f;
  --border-dim:  #0f1d2a;
  --text:        #dde8f4;
  --muted:       #5a7288;
  --accent:      #00b4d8;
  --open:        #22c55e;
  --closed:      #ef4444;
  --red:         #ef4444;
  --warn:        #f59e0b;
  --map-stroke-dim: #3a3f5c;
  --shadow:      0 2px 6px rgba(0,0,0,0.4);
  color-scheme: dark;
}

[data-theme="light"] {
  --bg:          #f4f7fb;
  --surface:     #ffffff;
  --surface2:    #edf1f6;
  --border:      #cfd8e3;
  --border-dim:  #e3e9f0;
  --text:        #0f1a26;
  --muted:       #5a6f87;
  --accent:      #0369a1;
  --open:        #15803d;
  --closed:      #b91c1c;
  --red:         #b91c1c;
  --warn:        #b45309;
  --map-stroke-dim: #8a9cb3;
  --shadow:      0 2px 6px rgba(15,26,38,0.08);
  color-scheme: light;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
  line-height: 1;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.theme-toggle:hover { color: var(--text); border-color: var(--muted); }
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: inline; }
[data-theme="light"] .theme-toggle .icon-sun  { display: inline; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* Override hardcoded dark nav backgrounds on public pages in light mode */
[data-theme="light"] nav,
[data-theme="light"] .topbar {
  background: var(--surface) !important;
}