/* ── PwC Design Tokens ──────────────────────────────────── */
    :root {
      --pwc-orange:   #D04A02;
      --pwc-orange-lt:#F26C26;
      --pwc-dark:     #2D2D2D;
      --pwc-mid:      #7D7D7D;
      --pwc-border:   #E0E0E0;
      --pwc-bg:       #F5F5F5;
      --pwc-bg-form:  #FAFAFA;
      --pwc-white:    #FFFFFF;
      --green:        #078A3C;
      --green-lt:     #E6F4ED;
      --amber:        #C47D00;
      --amber-lt:     #FEF5E0;
      --amber-text:   #A55E00; /* WCAG 2.1 AA on white (4.91:1) for text-only use */
      --blue:         #0066CC;
      --blue-lt:      #E6F0FA;
      --red:          #C00000;
      --red-lt:       #FDECEC;
      --purple:       #5B4ECC;
      --purple-lt:    #EFEDFC;
      --sidebar-w:    240px;
      --radius:       4px;
      --radius-lg:    6px;
      --shadow-sm:    0 1px 3px rgba(0,0,0,0.08);
      --shadow:       0 2px 6px rgba(0,0,0,0.10);
    }
    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    body {
      font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
      font-size: 14px;
      line-height: 1.5;
      background: var(--pwc-bg);
      color: var(--pwc-dark);
    }
    a { text-decoration: none; color: inherit; }