/* GovGo v2 Design Tokens */
:root {
  /* Brand */
  --orange:        #FF5722;
  --orange-600:    #E8481A;
  --orange-700:    #C73C15;
  --orange-50:     #FFF1EC;
  --orange-100:    #FFE1D5;

  --deep-blue:     #003A70;
  --deep-blue-ink: #002247;
  --nav-bg:        #002247;   /* left rail & code editor background */
  --code-bg:       #0E1624;
  --nav-blue:      #0B4A8A;
  --blue-50:       #EEF3FC;
  --blue-100:      #E0EAF9;
  --blue-200:      #C9D8F0;

  --green:         #2E7D32;
  --green-50:      #E8F3E9;
  --green-100:     #CDE5CF;

  --risk:          #B4481A;
  --risk-50:       #FBECE3;

  /* Neutrals — cool off-white, warm hints */
  --paper:         #FFFFFF;
  --workspace:     #F6F7FA;
  --surface-sunk:  #F0F2F7;
  --rail:          #FAFBFD;
  --hairline:      #E4E7EE;
  --hairline-soft: #EEF0F5;
  --divider:       #D8DCE5;

  --ink-1:         #1A2233;   /* primary text */
  --ink-2:         #425066;   /* secondary */
  --ink-3:         #6B7896;   /* tertiary */
  --ink-4:         #9AA5BD;   /* placeholder / icon faint */

  /* Type */
  --font-display:  'Sora', system-ui, sans-serif;
  --font-body:     'IBM Plex Sans', system-ui, sans-serif;
  --font-mono:     'JetBrains Mono', ui-monospace, monospace;

  /* Elevation */
  --shadow-xs:     0 1px 0 rgba(16,24,40,.04);
  --shadow-sm:     0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.04);
  --shadow-md:     0 4px 12px rgba(16,24,40,.06), 0 2px 4px rgba(16,24,40,.04);
  --shadow-lg:     0 12px 28px rgba(16,24,40,.10), 0 4px 8px rgba(16,24,40,.04);
  --ring-focus:    0 0 0 3px color-mix(in oklab, var(--orange) 22%, transparent);

  /* Radii */
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 10px;
  --r-xl: 14px;
  --r-pill: 999px;
}

/* Utility */
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.display { font-family: var(--font-display); letter-spacing: -0.01em; }

/* Scrollbars — subtle */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #D4D9E3; border-radius: 10px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb:hover { background: #B8C0CE; border: 2px solid transparent; background-clip: padding-box; }

button { font-family: inherit; }
input, textarea { font-family: inherit; }

/* ================================================================= */
/* Dark mode — tokens mirror the light palette with adjusted surfaces */
/* ================================================================= */
[data-theme="dark"] {
  color-scheme: dark;

  /* Brand — slightly brighter so they pop on dark surfaces */
  --orange:        #FF6A3D;
  --orange-600:    #FF5722;
  --orange-700:    #FF8A66;   /* text-on-dark variant */
  --orange-50:     #3A1A10;   /* background tint */
  --orange-100:    #4A2418;

  --deep-blue:     #7FB0F0;   /* used as accent text — brighten on dark */
  --deep-blue-ink: #C5D9F3;
  --nav-bg:        #0A0F17;   /* left rail & code editor background (stays dark) */
  --code-bg:       #0A0F17;
  --nav-blue:      #1E3A5F;
  --blue-50:       #17243A;
  --blue-100:      #1E3452;
  --blue-200:      #2A4976;

  --green:         #7BC77E;
  --green-50:      #17301A;
  --green-100:     #234B27;

  --risk:          #FF8A66;
  --risk-50:       #3A1F16;

  /* Neutrals — true dark but not pure black */
  --paper:         #161B25;   /* cards, tables, main surfaces */
  --workspace:     #0D1118;   /* app background */
  --surface-sunk:  #1F2632;   /* inputs, muted panels */
  --rail:          #131821;   /* subtle rail */
  --hairline:      #263040;
  --hairline-soft: #1D2532;
  --divider:       #2F3A4D;

  --ink-1:         #EEF2F8;
  --ink-2:         #B8C3D4;
  --ink-3:         #8391A6;
  --ink-4:         #5C6880;

  --shadow-xs:     0 1px 0 rgba(0,0,0,.35);
  --shadow-sm:     0 1px 2px rgba(0,0,0,.45), 0 1px 3px rgba(0,0,0,.35);
  --shadow-md:     0 4px 12px rgba(0,0,0,.50), 0 2px 4px rgba(0,0,0,.35);
  --shadow-lg:     0 14px 32px rgba(0,0,0,.55), 0 4px 10px rgba(0,0,0,.40);
  --ring-focus:    0 0 0 3px color-mix(in oklab, var(--orange) 35%, transparent);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb { background: #2B3547; }
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover { background: #3A455A; }

/* Smooth theme swap */
html { transition: background-color .18s ease; }
body, .surface, aside, header, section, .card { transition: background-color .18s ease, border-color .18s ease, color .18s ease; }