:root {
    --color-brand-purple: #8B5CF6;
    --color-text-dark: #1F2937;
    --color-text-body: #6B7280;
    --color-white: #FFFFFF;
    --color-background-light: #F9FAFB;
    --color-white-hover: #F3F4F6;
    --color-border: #E5E7EB;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    --border-radius-sm: 4px;
    --border-radius-md: 6px;
    --border-radius-lg: 8px;
    
    --font-size-caption: 12px;
    --font-size-small: 14px;
    --font-size-body: 16px;
    --font-size-large: 18px;
    --font-size-h4: 18px;
    --font-size-h3: 24px;
    --font-size-h2: 36px;
    --font-size-h1: 48px;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-body);
    min-height: 100vh;
    min-width: 100vw;
    color: var(--color-text-body);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.5;
    color: var(--color-text-body);
    background-color: var(--color-background-light);
    font-size: var(--font-size-body);
    display: flex;
    flex-direction: column;
    align-content: center;
    min-height: 100vh;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--border-radius-md);
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 150ms ease-out;
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background: #7C3AED;
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background: #F3F4F6;
}

.large-text {
    font-size: 18px;
}