/**
 * Theme Variables
 * 
 * This file contains all global design tokens and theming variables.
 * Modifying this file affects the entire application's look and feel.
 */

:root {
    /* Color Palette */
    --color-primary: #083a6f;          /* Primary blue color */
    --color-primary-light: #3a6fa6;
    --color-primary-dark: #052950;
    --color-accent: #a44fe0;           /* Accent purple */
    --color-success: #1AC603;
    --color-warning: #FA0303;
    --color-danger: #B50303;
    --color-info: #3366CC;
    --color-background: #ffffff;
    --color-text: #333333;
    --color-text-light: #767676;
    --color-text-dark: #222222;
    --color-border: #dddddd;
    --color-border-light: #eeeeee;
    
    /* Typography */
    --font-family-base: 'Arial', sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-weight-normal: 400;
    --font-weight-bold: 700;
    --line-height-base: 1.5;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    
    /* Borders */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-width: 1px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 4px 4px 15px 1px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-medium: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Z-index layers */
    --z-index-header: 100;
    --z-index-navigation: 90;
    --z-index-overlay: 80;
    --z-index-modal: 110;
}

/* Base Styling */
body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-background);
    background-image: linear-gradient(to bottom, var(--color-background) 1%, var(--color-primary) 60%);
    margin: 0;
    padding: 0;
}

/* Typography Presets */
h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

h1 {
    font-size: calc(var(--font-size-xl) * 1.5);
}

h2 {
    font-size: var(--font-size-xl);
}

h3 {
    font-size: calc(var(--font-size-lg) * 1.2);
}

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

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

/* Button Styles */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-weight: var(--font-weight-bold);
    text-align: center;
    cursor: pointer;
    border: var(--border-width) solid transparent;
    transition: all var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
}

.btn-secondary {
    background-color: white;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary-light);
    color: white;
}