/* ============================================================
   GadgetCity Todo — Design Tokens
   ============================================================ */

:root {
  /* ── Brand Colors ── */
  --color-primary:        #4F46E5;
  --color-primary-light:  #6366F1;
  --color-primary-dark:   #4338CA;
  --color-primary-50:     #EEF2FF;
  --color-primary-100:    #E0E7FF;
  --color-primary-200:    #C7D2FE;
  --color-primary-500:    #6366F1;
  --color-primary-600:    #4F46E5;
  --color-primary-700:    #4338CA;
  --color-primary-900:    #312E81;

  /* ── Neutral / Slate ── */
  --color-white:          #FFFFFF;
  --color-gray-50:        #F8FAFC;
  --color-gray-100:       #F1F5F9;
  --color-gray-200:       #E2E8F0;
  --color-gray-300:       #CBD5E1;
  --color-gray-400:       #94A3B8;
  --color-gray-500:       #64748B;
  --color-gray-600:       #475569;
  --color-gray-700:       #334155;
  --color-gray-800:       #1E293B;
  --color-gray-900:       #0F172A;

  /* ── Semantic Colors ── */
  --color-success:        #10B981;
  --color-success-light:  #D1FAE5;
  --color-success-dark:   #059669;
  --color-warning:        #F59E0B;
  --color-warning-light:  #FEF3C7;
  --color-warning-dark:   #D97706;
  --color-danger:         #EF4444;
  --color-danger-light:   #FEE2E2;
  --color-danger-dark:    #DC2626;
  --color-info:           #3B82F6;
  --color-info-light:     #DBEAFE;
  --color-info-dark:      #2563EB;

  /* ── Status Colors ── */
  --status-pending-bg:    #FEF3C7;
  --status-pending-text:  #92400E;
  --status-pending-border:#FCD34D;
  --status-progress-bg:   #DBEAFE;
  --status-progress-text: #1E40AF;
  --status-progress-border:#60A5FA;
  --status-completed-bg:  #D1FAE5;
  --status-completed-text:#065F46;
  --status-completed-border:#34D399;

  /* ── Priority Colors ── */
  --priority-low-bg:      #F1F5F9;
  --priority-low-text:    #475569;
  --priority-low-border:  #CBD5E1;
  --priority-medium-bg:   #FEF3C7;
  --priority-medium-text: #92400E;
  --priority-medium-border:#FCD34D;
  --priority-high-bg:     #FEE2E2;
  --priority-high-text:   #991B1B;
  --priority-high-border: #FCA5A5;

  /* ── Typography ── */
  --font-family:          'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs:         0.75rem;    /* 12px */
  --font-size-sm:         0.8125rem;  /* 13px */
  --font-size-base:       0.875rem;   /* 14px */
  --font-size-md:         1rem;       /* 16px */
  --font-size-lg:         1.125rem;   /* 18px */
  --font-size-xl:         1.25rem;    /* 20px */
  --font-size-2xl:        1.5rem;     /* 24px */
  --font-size-3xl:        1.875rem;   /* 30px */
  --font-weight-normal:   400;
  --font-weight-medium:   500;
  --font-weight-semibold: 600;
  --font-weight-bold:     700;
  --line-height-tight:    1.25;
  --line-height-normal:   1.5;
  --line-height-relaxed:  1.75;

  /* ── Spacing ── */
  --space-1:  0.25rem;   /* 4px  */
  --space-2:  0.5rem;    /* 8px  */
  --space-3:  0.75rem;   /* 12px */
  --space-4:  1rem;      /* 16px */
  --space-5:  1.25rem;   /* 20px */
  --space-6:  1.5rem;    /* 24px */
  --space-8:  2rem;      /* 32px */
  --space-10: 2.5rem;    /* 40px */
  --space-12: 3rem;      /* 48px */
  --space-16: 4rem;      /* 64px */

  /* ── Border Radius ── */
  --radius-sm:   0.25rem;   /* 4px  */
  --radius-md:   0.375rem;  /* 6px  */
  --radius-lg:   0.5rem;    /* 8px  */
  --radius-xl:   0.75rem;   /* 12px */
  --radius-2xl:  1rem;      /* 16px */
  --radius-full: 9999px;

  /* ── Shadows ── */
  --shadow-xs:   0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm:   0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md:   0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg:   0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl:   0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl:  0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner:inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

  /* ── Transitions ── */
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:   200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ── Z-Index Scale ── */
  --z-dropdown:  100;
  --z-sticky:    200;
  --z-overlay:   300;
  --z-modal:     400;
  --z-toast:     500;

  /* ── Layout ── */
  --sidebar-width:       260px;
  --sidebar-collapsed:   0px;
  --topbar-height:       64px;
  --content-max-width:   1280px;
}