/**
 * Design Tokens - Yogures Tsidkenú
 * Padrão High-End Vanguard UI / Anti-Slop / Double-Bezel
 */

:root {
  /* Paleta Primária Calibrada (Saturação < 80%) */
  --color-primary: #C91428;
  --color-primary-hover: #A80D1F;
  --color-primary-active: #8B0817;
  --color-primary-soft: rgba(201, 20, 40, 0.07);
  --color-primary-subtle: rgba(201, 20, 40, 0.12);
  --color-primary-glow: rgba(201, 20, 40, 0.22);

  /* Superfícies & Tons Lácteos Naturais */
  --bg-canvas: #FBF9F4;          /* Creme quente nobre, tom leite da fazenda */
  --bg-shell: #F3EFE6;           /* Base externa da moldura doppelrand (double-bezel) */
  --bg-surface: #FFFFFF;         /* Miolo interno das cartas e recipientes */
  --bg-surface-elevated: #FFFFFF;
  --bg-surface-soft: #F7F5EE;    /* Fundo suave para controles e listas */
  --bg-surface-accent: #FFF5F5;  /* Rosado ultra-suave artesanal */

  /* Tipografia & Contraste WCAG AAA (Zero Preto Puro #000) */
  --text-primary: #181513;       /* Espresso profundo (contraste 14.2:1) */
  --text-secondary: #524D47;     /* Cacau slate equilibrado */
  --text-tertiary: #7D766E;      /* Legendas e metadados */
  --text-on-primary: #FFFFFF;
  --text-price: #C91428;

  /* Bordas Estruturais Finas */
  --border-hairline: rgba(24, 21, 19, 0.06);
  --border-subtle: #E8E3D7;
  --border-light: #DDD6C7;
  --border-focus: #C91428;
  --border-shell: rgba(24, 21, 19, 0.08);

  /* Acentos Naturais de Compotas */
  --fruit-strawberry: #D91B3E;
  --fruit-mango: #E0870B;
  --fruit-blackberry: #6E1235;
  --fruit-peach: #D96E24;

  /* Feedback & Ações */
  --color-success: #15803D;
  --color-success-soft: rgba(21, 128, 61, 0.08);
  --color-whatsapp: #1EBE5D;
  --color-whatsapp-hover: #179E4C;

  /* Tipografia Display & Body */
  --font-family-display: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-family-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Escala de Fontes Calibrada com Tracking Refinado */
  --text-2xs: 0.7rem;    /* 11px */
  --text-xs: 0.8125rem;  /* 13px */
  --text-sm: 0.9375rem;  /* 15px */
  --text-base: 1.0625rem;/* 17px */
  --text-lg: 1.25rem;    /* 20px */
  --text-xl: 1.5rem;     /* 24px */
  --text-2xl: 1.875rem;  /* 30px */
  --text-3xl: 2.375rem;  /* 38px */
  --text-4xl: 3.125rem;  /* 50px */
  --text-5xl: 3.875rem;  /* 62px */

  /* Pesos */
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;

  /* Espaçamentos e Ritmo Espacial (Macro-Whitespace) */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-7: 1.75rem;   /* 28px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */

  /* Cantos Arredondados Concéntricos (Double-Bezel) */
  --radius-outer-card: 28px;
  --radius-inner-card: 20px;
  --radius-pill: 9999px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-2xl: 28px;
  --radius-full: 9999px;

  /* Sombras de Difusão Tintadas com a Cor da Superfície (Sem Sombras Duras Artificiais) */
  --shadow-subtle: 0 1px 2px rgba(24, 21, 19, 0.03);
  --shadow-sm: 0 2px 10px rgba(24, 21, 19, 0.05);
  --shadow-diffusion: 0 4px 6px -1px rgba(24, 21, 19, 0.02), 0 20px 40px -15px rgba(24, 21, 19, 0.06);
  --shadow-float-card: 0 12px 32px -8px rgba(24, 21, 19, 0.08), 0 4px 12px rgba(24, 21, 19, 0.03);
  --shadow-lg: 0 18px 48px -18px rgba(24, 21, 19, 0.22), 0 6px 18px rgba(24, 21, 19, 0.08);
  --shadow-cta: 0 10px 25px -5px rgba(201, 20, 40, 0.35);
  --shadow-inner-glow: inset 0 1px 1px rgba(255, 255, 255, 0.95);

  /* Alvos Táteis e Acessibilidade */
  --touch-target-min: 52px;
  --btn-cta-height: 58px;
  --focus-ring: 3px solid #C91428;

  /* Curvas de Animação Físicas (Cubic-Bezier Suave) */
  --ease-spring: cubic-bezier(0.32, 0.72, 0, 1);
  --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast: 180ms;
  --duration-normal: 300ms;
  --duration-slow: 550ms;
  --transition-fast: 180ms ease;
  --transition-normal: 300ms ease;
  --transition-spring: 300ms var(--ease-spring);
}