:root[data-theme="gris"] {
  --background: #f3f4f6;
  --foreground: #111827;
  --gradient-start: #e5e7eb;
  --gradient-end: #d1d5db;
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --card-bg: #ffffff;
  --card-border: #e5e7eb;
  --hero-title-gradient: linear-gradient(to right, #6b7280, #9ca3af);
  --sidebar-bg: #f3f4f6;
  --sidebar-border: #d1d5db;
  --sidebar-text: #1f2937;
  --sidebar-text-muted: #6b7280;
  --sidebar-hover-bg: #e5e7eb;
  --sidebar-active-bg: #dbeafe;
  --sidebar-active-text: #3730a3;
  --surface-muted: #e5e7eb;
  --text-muted: #6b7280;
  --link: #4f46e5;
  --link-hover: #4338ca;
  --button-primary-bg: #4f46e5;
  --button-primary-hover: #4338ca;
  --button-primary-text: #ffffff;
  --input-bg: #f9fafb;
  --input-border: #d1d5db;
  --input-text: #111827;
  --table-row-hover: #e5e7eb;
  --table-header-bg: #e5e7eb;
  --badge-success-bg: #bbf7d0;
  --badge-success-text: #166534;
  --badge-danger-bg: #fecaca;
  --badge-danger-text: #991b1b;
  --badge-info-bg: #c7d2fe;
  --badge-info-text: #3730a3;
  --badge-warning-bg: #fef3c7;
  --badge-warning-text: #92400e;
}