/* ============================================================
   SISTEMA DE DESIGN GLOBAL + BRIEFING WIZARD
   ============================================================ */

/* ----- VARIÁVEIS GLOBAIS (tokens) ----- */
:root {
    /* Cores */
    --color-primary: #0366D6;
    --color-primary-hover: #0255b3;
    --color-primary-light: #6093FF;
    --color-accent: #66FFCC;
    --color-accent-light: #99FFDD;
    --color-bg: #F8FAFC;
    --color-bg-card: rgba(255, 255, 255, 0.6);
    --color-bg-card-hover: rgba(255, 255, 255, 0.8);
    --color-text-primary: #1A202C;
    --color-text-secondary: rgba(0, 0, 0, 0.4);
    --color-text-tertiary: rgba(0, 0, 0, 0.08);
    --color-border: rgba(3, 102, 214, 0.04);
    --color-border-hover: rgba(3, 102, 214, 0.06);
    --color-shadow: rgba(0, 0, 0, 0.02);

    /* Tipografia */
    --font-family: 'Poppins', system-ui, -apple-system, sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --font-weight-black: 900;
    --font-size-xs: 0.6rem;      /* 9.6px */
    --font-size-sm: 0.7rem;      /* 11.2px */
    --font-size-base: 0.85rem;   /* 13.6px */
    --font-size-md: 1rem;        /* 16px */
    --font-size-lg: 1.2rem;      /* 19.2px */
    --font-size-xl: 1.4rem;      /* 22.4px */
    --font-size-2xl: 1.8rem;     /* 28.8px */
    --font-size-3xl: 2.4rem;     /* 38.4px */
    --font-size-4xl: 3.2rem;     /* 51.2px */
    --line-height-tight: 1.1;
    --line-height-normal: 1.5;
    --line-height-loose: 1.7;
    --letter-spacing-tight: -0.02em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.05em;
    --letter-spacing-wider: 0.15em;

    /* Espaçamentos */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;

    /* Bordas */
    --border-radius-sm: 0.5rem;
    --border-radius-md: 1rem;
    --border-radius-lg: 1.5rem;
    --border-radius-xl: 2rem;
    --border-radius-full: 100px;
    --border-width: 1px;
    --border-style: solid;

    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.02);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.02);

    /* Transições */
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-slow: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Blur */
    --blur-sm: blur(4px);
    --blur-md: blur(8px);
    --blur-lg: blur(12px);

    /* Z-index */
    --z-base: 1;
    --z-dropdown: 10;
    --z-modal: 100;
    --z-tooltip: 1000;
}

/* Tema escuro (sobrescreve variáveis) */
[data-theme="dark"] {
    --color-bg: #0B0E14;
    --color-bg-card: rgba(255, 255, 255, 0.02);
    --color-bg-card-hover: rgba(255, 255, 255, 0.03);
    --color-text-primary: rgba(255, 255, 255, 0.85);
    --color-text-secondary: rgba(255, 255, 255, 0.25);
    --color-text-tertiary: rgba(255, 255, 255, 0.03);
    --color-border: rgba(255, 255, 255, 0.02);
    --color-border-hover: rgba(255, 255, 255, 0.04);
    --color-shadow: rgba(0, 0, 0, 0.15);
    --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.25);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.3);
}