/* ============================================================
   Ecohuellas · Design Tokens
   Paleta extraída del index.html original + refinamientos estilo chat.z.ai
   ============================================================ */

:root {
  /* ===== Marca Ecohuellas ===== */
  --color-bg-cream:        #F7F5EE; /* fondo general claro */
  --color-bg-white:        #FFFFFF; /* tarjetas / inputs */
  --color-bg-soft:         #FBFAF4; /* fondo sutil alternativo */
  --color-hero-overlay:    #33361F; /* overlay oscuro oliva */
  --color-primary:         #6E7C3D; /* verde oliva - botones, acentos */
  --color-primary-dark:    #56622E; /* hover / estados oscuros */
  --color-primary-light:   #97A75F; /* detalles suaves */
  --color-primary-soft:    #E8EBDA; /* tint de fondo del primary */
  --color-text-dark:       #2B2C1F; /* texto principal oscuro */
  --color-text-muted:      #6B6B5D; /* texto secundario */
  --color-text-faint:      #9B9B8E; /* texto terciario / placeholders */
  --color-border:          #E4E1D6; /* bordes suaves, inputs */
  --color-border-strong:   #CFCCBC; /* bordes más marcados */
  --color-whatsapp:        #25D366; /* botón flotante de contacto */

  /* ===== Estados ===== */
  --color-success:         #4F7942;
  --color-success-soft:    #E4ECD9;
  --color-warning:         #B7791F;
  --color-warning-soft:    #FAEDC7;
  --color-danger:          #B43C3C;
  --color-danger-soft:     #F6E0E0;
  --color-info:            #3D6E9E;
  --color-info-soft:       #DCE7F2;

  /* ===== Tipografía ===== */
  --font-display: 'Poppins', system-ui, -apple-system, sans-serif;
  --font-body:    'Nunito', system-ui, -apple-system, sans-serif;
  --font-mono:    'DM Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* ===== Radios ===== */
  --radius-xs:   6px;
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   16px;
  --radius-xl:   22px;
  --radius-full: 9999px;

  /* ===== Sombras (estilo chat.z.ai — muy sutiles) ===== */
  --shadow-xs:  0 1px 2px rgba(43, 44, 31, 0.04);
  --shadow-sm:  0 1px 3px rgba(43, 44, 31, 0.06), 0 1px 2px rgba(43, 44, 31, 0.04);
  --shadow-md:  0 4px 12px rgba(43, 44, 31, 0.06), 0 2px 4px rgba(43, 44, 31, 0.04);
  --shadow-lg:  0 12px 28px rgba(43, 44, 31, 0.10), 0 4px 8px rgba(43, 44, 31, 0.05);
  --shadow-xl:  0 24px 48px rgba(43, 44, 31, 0.14), 0 8px 16px rgba(43, 44, 31, 0.06);

  /* ===== Espaciados ===== */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* ===== Transiciones ===== */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 120ms;
  --duration-base: 200ms;
  --duration-slow: 320ms;

  /* ===== Layout ===== */
  --sidebar-w: 260px;
  --sidebar-w-collapsed: 72px;
  --topbar-h: 64px;
  --content-max: 1280px;
}