/**
 * UYI Write - Base Styles
 * Reset, variables, and base typography
 */

:root {
    /* Color Palette */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #1e2a3a;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --accent: #3a5a7a;
    --accent-hover: #4a6a8a;
    --border-color: #404040;
    --error: #d32f2f;
    --success: #388e3c;
    
    /* Typography */
    --font-brand: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-body: 'Georgia', 'Times New Roman', serif;
    --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.125rem;
    --spacing-sm: 0.375rem;
    --spacing-md: 0.5rem;
    --spacing-lg: 0.75rem;
    --spacing-xl: 1rem;
    
    /* Layout */
    --header-height: 40px;
    --sidebar-width: 200px;
    --sidebar-collapsed-width: 50px;
}

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

html, body {
    height: 100%;
    font-family: var(--font-ui);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

body {
    overflow-x: hidden;
}

a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

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

img {
    max-width: 100%;
    height: auto;
}

button {
    font-family: inherit;
    cursor: pointer;
}

input, textarea, select {
    font-family: inherit;
    color: var(--text-primary);
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}