/* ==========================================================================
   Kanlife design tokens — shared by storefront (theme.css) and admin
   (admin-theme.css). Clean clinical / trust-focused: refined medical blue,
   teal secondary, slate neutrals, generous whitespace.
   ========================================================================== */

:root {
  /* --- Brand ------------------------------------------------------------- */
  --brand-50:  #eef5ff;
  --brand-100: #d9e8ff;
  --brand-200: #b7d2ff;
  --brand-300: #86b3ff;
  --brand-400: #4d8bfa;
  --brand-500: #1f6fe5;   /* primary accent */
  --brand-600: #1559c4;   /* primary hover / links */
  --brand-700: #12489d;
  --brand-800: #143f80;
  --brand-900: #16366a;

  --teal-400: #22b8b0;
  --teal-500: #0f9a93;    /* secondary accent */
  --teal-600: #0b7c77;

  /* --- Neutrals (slate) ----------------------------------------------------*/
  --slate-25:  #fbfcfd;
  --slate-50:  #f5f7fa;
  --slate-100: #eef1f5;
  --slate-200: #e2e7ee;
  --slate-300: #cbd3de;
  --slate-400: #9aa6b6;
  --slate-500: #6b7686;
  --slate-600: #4c5666;
  --slate-700: #363f4d;
  --slate-800: #232a36;
  --slate-900: #151a22;

  /* --- Semantic --------------------------------------------------------- */
  --bg:            #ffffff;
  --bg-subtle:     var(--slate-50);
  --bg-inset:      var(--slate-100);
  --surface:       #ffffff;
  --border:        var(--slate-200);
  --border-strong: var(--slate-300);

  --text:          var(--slate-800);
  --text-muted:    var(--slate-500);
  --text-faint:    var(--slate-400);
  --text-invert:   #ffffff;

  --link:          var(--brand-600);
  --link-hover:    var(--brand-700);

  --success-500: #1f9d57;
  --success-50:  #e8f6ee;
  --warning-500: #c98a12;
  --warning-50:  #fbf1de;
  --danger-500:  #d64545;
  --danger-50:   #fbeaea;
  --info-500:    var(--brand-500);
  --info-50:     var(--brand-50);

  /* --- Typography ----------------------------------------------------------*/
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;

  --fs-xs:   0.75rem;    /* 12 */
  --fs-sm:   0.8125rem;  /* 13 */
  --fs-base: 0.9375rem;  /* 15 */
  --fs-md:   1.0625rem;  /* 17 */
  --fs-lg:   1.25rem;    /* 20 */
  --fs-xl:   1.5rem;     /* 24 */
  --fs-2xl:  1.875rem;   /* 30 */
  --fs-3xl:  2.375rem;   /* 38 */
  --fs-4xl:  3rem;       /* 48 */

  --lh-tight: 1.2;
  --lh-snug:  1.35;
  --lh-base:  1.6;

  --fw-regular: 400;
  --fw-medium:  500;
  --fw-semibold: 600;
  --fw-bold:    700;

  /* --- Spacing scale (4px base) -----------------------------------------*/
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 2.5rem;
  --sp-8: 3rem;
  --sp-9: 4rem;
  --sp-10: 5rem;
  --sp-12: 6rem;

  /* --- Radius --------------------------------------------------------------*/
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  /* --- Shadow ---------------------------------------------------------------*/
  --shadow-xs: 0 1px 2px rgba(21, 26, 34, 0.06);
  --shadow-sm: 0 2px 8px rgba(21, 26, 34, 0.06);
  --shadow:    0 6px 20px rgba(21, 26, 34, 0.08);
  --shadow-lg: 0 16px 40px rgba(21, 26, 34, 0.12);
  --shadow-focus: 0 0 0 3px var(--brand-100);

  /* --- Layout -----------------------------------------------------------*/
  --container:      1200px;
  --container-wide: 1360px;
  --container-narrow: 820px;
  --gutter: clamp(1rem, 4vw, 2rem);
  --header-h: 76px;

  /* --- Motion ---------------------------------------------------------------*/
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 120ms;
  --dur: 200ms;
  --dur-slow: 320ms;

  /* --- Z-index -----------------------------------------------------------*/
  --z-header: 100;
  --z-dropdown: 200;
  --z-drawer: 300;
  --z-backdrop: 290;
  --z-toast: 400;
  --z-lightbox: 500;
}