/* ==========================================================================
   TOKENS
   Single source of truth for the design system. Nothing in this file
   renders anything on its own — it only declares custom properties.
   Every other stylesheet reads from these variables instead of hardcoding
   values, so the whole theme can be re-tuned from one place.
   ========================================================================== */

:root{

  /* ---- Color: surfaces ---- */
  --color-bg:            #F9F6F0;   /* page background, warm cream */
  --color-bg-inset:      #F2EDE3;   /* recessed panels, alt rows, sidebar */
  --color-surface:       #FFFFFF;   /* cards, inputs, elevated panels */
  --color-border:        #E6DFD1;   /* default hairline border */
  --color-border-strong: #D8CFBC;   /* emphasized border / dividers */

  /* ---- Color: text ---- */
  --color-text:          #2B2820;   /* primary text, warm near-black */
  --color-text-muted:    #6B6355;   /* secondary text, labels */
  --color-text-faint:    #9A927F;   /* placeholders, disabled */
  --color-text-on-accent:#FFFFFF;

  /* ---- Color: accent (single brand color, used sparingly) ---- */
  --color-accent:        #C2603F;
  --color-accent-hover:  #A94F32;
  --color-accent-soft:   #F1DDD1;   /* tint for hover backgrounds, chips */
  --color-accent-softer: #F8EDE6;   /* barely-there tint, active nav row */

  /* ---- Color: semantic ---- */
  --color-success:       #4C7A5B;
  --color-success-soft:  #E4EEE6;
  --color-warning:       #A8792E;
  --color-warning-soft:  #F3E9D6;
  --color-danger:        #AE4438;
  --color-danger-soft:   #F5E1DD;
  --color-info:          #4A6E8A;
  --color-info-soft:     #E4EBF0;

  /* ---- Typography ---- */
  --font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --text-xs:   0.75rem;   /* 12px */
  --text-sm:   0.8125rem; /* 13px */
  --text-base: 0.9375rem; /* 15px */
  --text-md:   1.0625rem; /* 17px */
  --text-lg:   1.375rem;  /* 22px */
  --text-xl:   1.75rem;   /* 28px */
  --text-2xl:  2.25rem;   /* 36px */
  --text-3xl:  3rem;      /* 48px */

  --leading-tight:  1.2;
  --leading-normal: 1.5;
  --leading-loose:  1.7;

  /* ---- Spacing scale ---- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  /* ---- Radius ---- */
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   18px;
  --radius-xl:   26px;
  --radius-full: 999px;

  /* ---- Shadow (flat, quiet — no heavy drop shadows) ---- */
  --shadow-xs: 0 1px 2px rgba(43, 40, 32, 0.05);
  --shadow-sm: 0 2px 6px rgba(43, 40, 32, 0.06);
  --shadow-md: 0 8px 24px rgba(43, 40, 32, 0.08);

  /* ---- Motion ---- */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 120ms;
  --duration-base: 200ms;

  /* ---- Layout ---- */
  --sidebar-width: 268px;
  --topbar-height: 68px;
  --content-max-width: 1180px;
}