/* ============================================================
   ConstructOS AI — Design Tokens
   Phase 0 Foundation — Do not modify without approval
   ============================================================ */

:root {
  /* ── Primary Palette ── */
  --color-primary:       #0F2341;
  --color-primary-light: #1A3A5C;
  --color-primary-muted: #2E4E6E;
  --color-accent:        #F07B2F;
  --color-accent-hover:  #D4651A;
  --color-accent-light:  #FEF0E6;

  /* ── Neutrals ── */
  --color-bg:            #FFFFFF;
  --color-surface:       #F5F7FA;
  --color-border:        #DDE2EA;
  --color-text:          #1C2B3A;
  --color-text-muted:    #5C6E82;
  --color-text-disabled: #9FAEBF;

  /* ── Status ── */
  --color-success:       #1D9B5E;
  --color-success-light: #E8F7F1;
  --color-warning:       #D97706;
  --color-warning-light: #FEF3C7;
  --color-error:         #DC2626;
  --color-error-light:   #FEE2E2;
  --color-info:          #2563EB;
  --color-info-light:    #EFF6FF;

  /* ── Typography ── */
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --text-xs:   11px;
  --text-sm:   13px;
  --text-base: 15px;
  --text-md:   16px;
  --text-lg:   20px;
  --text-xl:   24px;
  --text-2xl:  32px;
  --text-3xl:  40px;

  /* ── Spacing (4px base) ── */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-7:  28px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* ── Border Radius ── */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-full: 9999px;

  /* ── Shadows ── */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm: 0 2px 6px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.14);

  /* ── Layout ── */
  --sidebar-width:           240px;
  --sidebar-collapsed-width: 64px;
  --topbar-height:           56px;
  --ai-panel-width:          320px;
  --content-max-width:       1400px;
}