/**
 * Design System - Variáveis Globais
 * Sistema de Agendamentos SaaS - Estilo Stripe/Notion/Linear
 */

:root {
    /* Cores principais - Indigo moderno */
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #818cf8;
    --primary-dark: #4338ca;
    
    --secondary: #0ea5e9;
    --secondary-hover: #0284c7;
    
    /* Backgrounds */
    --background: #f8fafc;
    --background-alt: #f1f5f9;
    --background-dark: #0f172a;
    
    /* Cards e superfícies */
    --card: #ffffff;
    --card-hover: #f8fafc;
    --card-border: rgba(148, 163, 184, 0.2);
    
    /* Texto */
    --text: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;
    
    /* Estados */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* Bordas e sombras */
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    
    /* Transições */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout */
    --sidebar-width: 280px;
    --sidebar-collapsed: 80px;
    --header-height: 64px;
    
    /* Tipografia */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Plus Jakarta Sans', var(--font-sans);
}

/* Dark mode support (opcional futuro) */
@media (prefers-color-scheme: dark) {
    :root.auto-dark {
        --background: #0f172a;
        --background-alt: #1e293b;
        --card: #1e293b;
        --text: #f1f5f9;
        --text-secondary: #94a3b8;
    }
}