/* =========================================================
   SLB Client Portal — Design Tokens
   Semantic CSS custom properties only. Light warm-neutral
   theme with deep forest/slate accent. A future dark theme
   would override this same variable set.
   ========================================================= */

:root {
  /* ---- Brand accent ---- */
  --color-accent: #1f3d2e;
  --color-accent-hover: #16291f;
  --color-accent-tint: #e7ede9;
  --color-accent-tint-strong: #cfdcd5;
  --color-accent-contrast: #f8f6f1;

  /* ---- Semantic status colors ---- */
  --color-success: #2f6b4f;
  --color-success-bg: #e7f1ea;
  --color-warning: #9a6a1f;
  --color-warning-bg: #faf1de;
  --color-danger: #a13c33;
  --color-danger-bg: #f7e9e7;
  --color-info: #35597a;
  --color-info-bg: #e9eff5;

  /* ---- Surfaces / backgrounds ---- */
  --color-bg-page: #f6f2ec;
  --color-bg-page-alt: #efe9e0;
  --color-surface-card: #fffdfa;
  --color-surface-card-alt: #faf6ef;
  --color-surface-sunken: #f1ece3;
  --color-surface-overlay: rgba(30, 26, 20, 0.45);

  /* ---- Text ---- */
  --color-text-primary: #2a2620;
  --color-text-secondary: #6b6458;
  --color-text-muted: #96897a;
  --color-text-on-accent: #f8f6f1;
  --color-text-link: #1f3d2e;

  /* ---- Borders ---- */
  --color-border-subtle: #e6dfd2;
  --color-border-default: #d9d0bf;
  --color-border-strong: #b9ac95;

  /* ---- Spacing scale ---- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;
  --space-9: 48px;
  --space-10: 64px;

  /* ---- Radius scale ---- */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 999px;

  /* ---- Shadows (soft, diffuse) ---- */
  --shadow-sm: 0 1px 2px rgba(40, 34, 24, 0.06);
  --shadow-md: 0 4px 16px rgba(40, 34, 24, 0.08);
  --shadow-lg: 0 12px 32px rgba(40, 34, 24, 0.10);
  --shadow-focus: 0 0 0 3px rgba(31, 61, 46, 0.25);

  /* ---- Typography ---- */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif: Georgia, "Iowan Old Style", "Palatino Linotype", ui-serif, serif;

  --text-xs: 12px;
  --text-sm: 13.5px;
  --text-base: 15px;
  --text-md: 17px;
  --text-lg: 20px;
  --text-xl: 26px;
  --text-2xl: 32px;

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

  /* ---- Motion ---- */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;

  /* ---- Layout ---- */
  --sidebar-width: 248px;
  --tabbar-height: 64px;
  --topbar-height: 64px;
  --content-max-width: 1120px;
}