/* Theme Variables and CSS Custom Properties */
:root {
    /* Color Palette */
    --primary-bg: #f8fafc;
    --secondary-bg: #ffffff;
    --primary-accent-start: #4f46e5;
    --primary-accent-end: #a855f7;
    --accent-light-bg: #eef2ff;
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --border-color: #e5e7eb;
    --error-bg: #fee2e2;
    --error-border: #fca5a5;
    --error-text: #ef4444;
    
    /* Additional UI Colors */
    --hover-bg: #f3f4f6;
    --light-bg: #f9fafb;
    --disabled-text: #9ca3af;
    --border-light: #d1d5db;
    --folder-icon: #a5b4fc;
    --processing-color: #3b82f6;
    --tooltip-bg: #111827;
    --danger-secondary: #b91c1c;
    --white: #ffffff;
    
    /* Layout Variables */
    --panel-width: 260px;
    --panel-width-collapsed: 68px;
    --assistant-panel-width: 320px;
    
    /* Effects */
    --shadow: 0 1px 2px rgba(0,0,0,0.05), 0 1px 1px rgba(0,0,0,0.03);
    --pdf-shadow: 0 4px 12px rgba(0,0,0,0.15);
}