/* Variáveis CSS - Design System 4psi */

:root {
    /* ===== CORES PRIMÁRIAS ===== */
    --color-primary: #2da499;
    --color-primary-hover: #28938a;
    --color-primary-active: #18635E;
    --color-primary-light: rgba(45, 164, 153, 0.1);
    --color-primary-lighter: rgba(45, 164, 153, 0.05);

    /* ===== CORES SECUNDÁRIAS ===== */
    --color-secondary: #2db6a4;
    --color-secondary-hover: #28a394;
    --color-secondary-active: #239084;

    /* ===== CORES DA MARCA ===== */
    --brand-pulso-vital: #2da499;
    --brand-preto: #141414;
    --brand-branco: #feffff;
    --brand-nevoa: #e5e7e9;
    --brand-aco: #565657;

    /* ===== CORES DE TEXTO ===== */
    --color-text-primary: #171B20;
    --color-text-secondary: #4b5563;
    --color-text-tertiary: #6b7280;
    --color-text-muted: #9ca3af;
    --color-text-disabled: #d1d5db;

    /* ===== CORES DE FUNDO ===== */
    --color-bg-primary: #FFFFFF;
    --color-bg-secondary: #F5F5F58F;
    --color-bg-tertiary: #f1f5f9;
    --color-bg-quaternary: #e2e8f0;
    --color-bg-hover: #f1f5f9;
    --color-bg-glass: rgba(255, 255, 255, 0.8);

    /* ===== GRADIENTES ===== */
    --color-bg-gradient-primary: linear-gradient(135deg, #267A72 0%, #2da499 50%, #2db6a4 100%);
    --color-bg-gradient-secondary: linear-gradient(135deg, #2da499 0%, #2db6a4 50%, #36c5b5 100%);
    --color-bg-gradient-light: linear-gradient(135deg, rgba(45, 164, 153, 0.05) 0%, rgba(45, 182, 164, 0.05) 100%);
    --color-bg-gradient-vivid: linear-gradient(135deg, rgba(45, 164, 153, 0.15) 0%, rgba(45, 182, 164, 0.2) 50%, rgba(45, 164, 153, 0.15) 100%);
    --color-bg-gradient-soft: linear-gradient(180deg, #fafbfc 0%, #ffffff 50%, #f9fafb 100%);

    /* ===== CORES DE BORDAS ===== */
    --color-border-primary: #d1d5db;
    --color-border-secondary: #C2D4D4;
    --color-border-tertiary: #D3D3D3;
    --color-border-focus: var(--color-primary);

    /* ===== CORES DE STATUS ===== */
    --color-success: #2da499;
    --color-success-hover: #28938a;
    --color-success-light: rgba(45, 164, 153, 0.1);

    --color-error: #ef4444;
    --color-error-hover: #dc2626;
    --color-error-light: rgba(239, 68, 68, 0.1);

    --color-warning: #f59e0b;
    --color-warning-hover: #d97706;
    --color-warning-light: rgba(245, 158, 11, 0.1);

    --color-info: #3b82f6;
    --color-info-hover: #2563eb;
    --color-info-light: rgba(59, 130, 246, 0.1);

    /* ===== TIPOGRAFIA ===== */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;

    --font-size-xs: 0.75rem;
    /* 12px */
    --font-size-sm: 0.8rem;
    /* 12.8px */
    --font-size-md: 0.875rem;
    /* 14px */
    --font-size-lg: 0.9rem;
    /* 14.4px */
    --font-size-xl: 1rem;
    /* 16px */
    --font-size-2xl: 1.125rem;
    /* 18px */
    --font-size-3xl: 1.25rem;
    /* 20px */
    --font-size-4xl: 1.5rem;
    /* 24px */
    --font-size-5xl: 1.875rem;
    /* 30px */
    --font-size-6xl: 2rem;
    /* 32px */

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.25;
    --line-height-normal: 1.4;
    --line-height-relaxed: 1.6;

    --letter-spacing-tight: -0.025em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.025em;

    /* ===== ESPAÇAMENTO ===== */
    --spacing-xs: 0.125rem;
    /* 2px */
    --spacing-sm: 0.25rem;
    /* 4px */
    --spacing-md: 0.375rem;
    /* 6px */
    --spacing-lg: 0.5rem;
    /* 8px */
    --spacing-xl: 0.625rem;
    /* 10px */
    --spacing-2xl: 0.75rem;
    /* 12px */
    --spacing-3xl: 1rem;
    /* 16px */
    --spacing-4xl: 1.25rem;
    /* 20px */
    --spacing-5xl: 1.5rem;
    /* 24px */
    --spacing-6xl: 2rem;
    /* 32px */

    /* ===== BORDER RADIUS ===== */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-2xl: 16px;
    --radius-3xl: 20px;
    --radius-4xl: 24px;
    --radius-full: 9999px;

    /* ===== SOMBRAS ===== */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1), 0 4px 8px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.12), 0 6px 12px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 20px 40px rgba(0, 0, 0, 0.15), 0 10px 20px rgba(0, 0, 0, 0.12);
    --shadow-3xl: 0 32px 64px rgba(0, 0, 0, 0.18), 0 16px 32px rgba(0, 0, 0, 0.14);
    --shadow-glass: 0 12px 40px rgba(45, 164, 153, 0.12), 0 6px 20px rgba(45, 164, 153, 0.08);
    --shadow-glow: 0 0 30px rgba(45, 164, 153, 0.2), 0 0 60px rgba(45, 164, 153, 0.1);
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-outline: 0 0 0 3px rgba(45, 164, 153, 0.2);

    /* ===== TRANSIÇÕES ===== */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-spring: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);

    /* ===== Z-INDEX ===== */
    --z-base: 1;
    --z-dropdown: 10;
    --z-sticky: 100;
    --z-fixed: 1000;
    --z-modal-backdrop: 9999;
    --z-modal: 10000;
    --z-popover: 10001;
    --z-tooltip: 10002;
}

/* ===== TEMA ESCURO (opcional para futuras implementações) ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --color-text-primary: #f9fafb;
        --color-text-secondary: #e5e7eb;
        --color-text-tertiary: #d1d5db;
        --color-text-muted: #9ca3af;
        --color-text-disabled: #6b7280;

        --color-bg-primary: #1f2937;
        --color-bg-secondary: #2C3342BD;
        --color-bg-tertiary: #0f172a;
        --color-bg-quaternary: #1e293b;
        --color-bg-hover: #374151;
        --color-bg-glass: rgba(31, 41, 55, 0.8);

        --color-border-primary: #374151;
        --color-border-secondary: #4b5563;
        --color-border-tertiary: #6b7280;

        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.5), 0 2px 4px rgba(0, 0, 0, 0.3);
        --shadow-xl: 0 8px 16px rgba(0, 0, 0, 0.6), 0 4px 8px rgba(0, 0, 0, 0.4);
        --shadow-2xl: 0 16px 32px rgba(0, 0, 0, 0.7), 0 8px 16px rgba(0, 0, 0, 0.5);
        --shadow-3xl: 0 24px 48px rgba(0, 0, 0, 0.8), 0 12px 24px rgba(0, 0, 0, 0.6);
    }
}