/* =====================================================
   VARIÁVEIS CSS - Rei Motors
   Dark Mode (Padrão) + Light Mode
   ===================================================== */

:root {
    /* ===== CORES - DARK MODE (Padrão) ===== */
    --color-bg-primary: #0A0A0A;
    --color-bg-secondary: #161616;
    --color-bg-tertiary: #1F1F1F;
    
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #C0C0C0;
    --color-text-tertiary: #808080;
    
    --color-accent-primary: #D4AF37;
    --color-accent-secondary: #B8860B;
    
    --color-border: #2A2A2A;
    --color-border-light: #353535;
    
    --color-success: #4CAF50;
    --color-warning: #FF9800;
    --color-error: #F44336;
    --color-info: #2196F3;
    
    /* ===== ESPAÇAMENTO ===== */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* ===== TIPOGRAFIA ===== */
    --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* ===== BORDER RADIUS ===== */
    --radius-none: 0;
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* ===== SOMBRAS ===== */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
    
    --shadow-accent: 0 0 20px rgba(212, 175, 55, 0.2);
    
    /* ===== TRANSIÇÕES ===== */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* ===== Z-INDEX ===== */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* ===== BREAKPOINTS ===== */
    --breakpoint-xs: 0;
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    --breakpoint-2xl: 1400px;
    
    /* ===== LARGURA MÁXIMA ===== */
    --container-max-width: 1200px;
    --container-padding: 1.5rem;
}

/* ===== LIGHT MODE ===== */
[data-theme="light"] {
    --color-bg-primary: #FAFAFA;
    --color-bg-secondary: #FFFFFF;
    --color-bg-tertiary: #F5F5F5;
    
    --color-text-primary: #0A0A0A;
    --color-text-secondary: #525252;
    --color-text-tertiary: #999999;
    
    --color-accent-primary: #B8860B;
    --color-accent-secondary: #D4AF37;
    
    --color-border: #E5E5E5;
    --color-border-light: #D0D0D0;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.15);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    --shadow-accent: 0 0 20px rgba(184, 134, 11, 0.15);
}

/* ===== MOBILE ===== */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --font-size-4xl: 2rem;
        --font-size-5xl: 2.5rem;
        --spacing-3xl: 2.5rem;
        --spacing-4xl: 3rem;
    }
}

/* ===== ULTRA MOBILE ===== */
@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
        --font-size-3xl: 1.5rem;
        --font-size-4xl: 1.75rem;
        --spacing-2xl: 1.5rem;
        --spacing-3xl: 2rem;
    }
}