/**
 * PROMETEO OS - DESIGN SYSTEM
 * Global Styles & Variables
 * Version: 0.1.0
 */

:root {
    /* Colors - Foundation */
    --color-primary: #0070f3;
    --color-primary-hover: #0051af;
    --color-bg: #ffffff;
    --color-bg-subtle: #fafafa;
    --color-text: #171717;
    --color-text-muted: #666666;
    --color-border: #eaeaea;
    --color-success: #0070f3;
    --color-warning: #f5a623;
    --color-error: #ee0000;

    /* Dark Mode Tokens (Ready) */
    --color-dark-bg: #000000;
    --color-dark-bg-subtle: #111111;
    --color-dark-text: #ededed;
    --color-dark-text-muted: #888888;
    --color-dark-border: #333333;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;

    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-6: 24px;
    --space-8: 32px;
    --space-12: 48px;

    /* Borders & Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --border-width: 1px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
}

/* Dark Mode Preference */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: var(--color-dark-bg);
        --color-bg-subtle: var(--color-dark-bg-subtle);
        --color-text: var(--color-dark-text);
        --color-text-muted: var(--color-dark-text-muted);
        --color-border: var(--color-dark-border);
    }
}

/* Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-hover);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-4);
}

p {
    margin-bottom: var(--space-4);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

img {
    max-width: 1000%;
    height: auto;
}