/**
 * S4E Go — Theme Variables
 * 
 * Variáveis CSS centralizadas da identidade visual S4E.
 * Todas as cores, tipografia e espaçamentos são definidos aqui.
 * @author  Vicente Antunes
 * @updated 2026-06-28
 */

/* ============================================
   GOOGLE FONTS
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
    /* --- Brand Colors --- */
    --s4e-primary: #07713b;
    --s4e-primary-hover: #055e30;
    --s4e-primary-light: #e7f4ec;
    --s4e-primary-rgb: 7, 113, 59;

    --s4e-secondary: #00a6ff;
    --s4e-secondary-hover: #0090e0;
    --s4e-secondary-light: #e0f4ff;

    --s4e-accent: #ff8a00;
    --s4e-accent-hover: #e67a00;
    --s4e-accent-light: #fff3e0;

    /* --- Neutral Colors --- */
    --s4e-dark: #101828;
    --s4e-dark-700: #1d2939;
    --s4e-dark-600: #344054;
    --s4e-muted: #667085;
    --s4e-muted-light: #98a2b3;
    --s4e-light: #f8fafc;
    --s4e-white: #ffffff;

    /* --- Semantic Colors --- */
    --s4e-success: #12b76a;
    --s4e-success-light: #e7f8f0;
    --s4e-success-dark: #0e9956;

    --s4e-warning: #f79009;
    --s4e-warning-light: #fef4e6;
    --s4e-warning-dark: #dc6803;

    --s4e-danger: #f04438;
    --s4e-danger-light: #fde8e8;
    --s4e-danger-dark: #d92d20;

    --s4e-info: #00a6ff;
    --s4e-info-light: #e0f4ff;

    /* --- UI Colors --- */
    --s4e-border: #eaecf0;
    --s4e-border-dark: #d0d5dd;
    --s4e-bg: #f5f7fb;
    --s4e-card: #ffffff;
    --s4e-card-hover: #f9fafb;
    --s4e-input-bg: #ffffff;
    --s4e-input-border: #d0d5dd;
    --s4e-input-focus: #07713b;

    /* --- Sidebar (Dark) --- */
    --s4e-sidebar-bg: #0d0d0d;
    --s4e-sidebar-hover: #1a1a1a;
    --s4e-sidebar-active: rgba(7, 113, 59, 0.12);
    --s4e-sidebar-text: #6b6b6b;
    --s4e-sidebar-text-active: #ffffff;
    --s4e-sidebar-width: 260px;
    --s4e-sidebar-collapsed-width: 72px;

    /* --- Header --- */
    --s4e-header-height: 64px;
    --s4e-header-bg: #0d0d0d;

    /* --- Typography --- */
    --s4e-font-family: 'Inter', 'Segoe UI', Roboto, Arial, sans-serif;
    --s4e-font-size-xs: 0.75rem;     /* 12px */
    --s4e-font-size-sm: 0.8125rem;   /* 13px */
    --s4e-font-size-base: 0.875rem;  /* 14px */
    --s4e-font-size-md: 1rem;        /* 16px */
    --s4e-font-size-lg: 1.125rem;    /* 18px */
    --s4e-font-size-xl: 1.25rem;     /* 20px */
    --s4e-font-size-2xl: 1.5rem;     /* 24px */
    --s4e-font-size-3xl: 1.875rem;   /* 30px */

    /* --- Spacing --- */
    --s4e-spacing-xs: 0.25rem;
    --s4e-spacing-sm: 0.5rem;
    --s4e-spacing-md: 1rem;
    --s4e-spacing-lg: 1.5rem;
    --s4e-spacing-xl: 2rem;
    --s4e-spacing-2xl: 3rem;

    /* --- Border Radius --- */
    --s4e-radius-sm: 6px;
    --s4e-radius-md: 8px;
    --s4e-radius-lg: 12px;
    --s4e-radius-xl: 16px;
    --s4e-radius-full: 50%;

    /* --- Shadows --- */
    --s4e-shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
    --s4e-shadow-md: 0 4px 8px -2px rgba(16, 24, 40, 0.1), 0 2px 4px -2px rgba(16, 24, 40, 0.06);
    --s4e-shadow-lg: 0 12px 16px -4px rgba(16, 24, 40, 0.08), 0 4px 6px -2px rgba(16, 24, 40, 0.03);
    --s4e-shadow-xl: 0 20px 24px -4px rgba(16, 24, 40, 0.08), 0 8px 8px -4px rgba(16, 24, 40, 0.03);

    /* --- Transitions --- */
    --s4e-transition-fast: 150ms ease;
    --s4e-transition-base: 250ms ease;
    --s4e-transition-slow: 350ms ease;

    /* --- Z-Index Scale --- */
    --s4e-z-dropdown: 100;
    --s4e-z-sticky: 200;
    --s4e-z-sidebar: 300;
    --s4e-z-header: 400;
    --s4e-z-modal-backdrop: 500;
    --s4e-z-modal: 600;
    --s4e-z-toast: 700;
    --s4e-z-tooltip: 800;
}