:root{--bg-primary: #FFFFFF;--bg-secondary: #F9FAFB;--bg-tertiary: #F8FAFC;--bg-gray-light: #F9FAFB;--text-primary: #1E293B;--text-secondary: #64748B;--text-tertiary: #94A3B8;--text-dark: #1E293B;--text-light: #64748B;--border-color: #E2E8F0;--border-gray: #E2E8F0;--hover-bg: #F8FAFC;--primary-color: #5C54D1;--primary-hover: #4B45B0;--secondary-color: #3B82F6;--accent-color: #8B5CF6;--success-color: #22C55E;--error-color: #EF4444;--warning-color: #F59E0B;--shadow: rgba(0, 0, 0, .1);--shadow-lg: rgba(0, 0, 0, .15)}.dark-theme{--bg-primary: #0F172A;--bg-secondary: #1E293B;--bg-tertiary: #334155;--bg-gray-light: #1E293B;--text-primary: #F1F5F9;--text-secondary: #CBD5E1;--text-tertiary: #94A3B8;--text-dark: #F1F5F9;--text-light: #CBD5E1;--border-color: #334155;--border-gray: #334155;--hover-bg: #1E293B;--primary-color: #6366F1;--primary-hover: #818CF8;--secondary-color: #3B82F6;--accent-color: #A78BFA;--success-color: #22C55E;--error-color: #EF4444;--warning-color: #F59E0B;--shadow: rgba(0, 0, 0, .3);--shadow-lg: rgba(0, 0, 0, .5)}*{margin:0;padding:0;box-sizing:border-box;transition:background-color .3s ease,color .3s ease,border-color .3s ease}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-secondary);color:var(--text-primary);line-height:1.6}html,body{height:100%;margin:0}h1,h2,h3,h4,h5,h6{font-weight:600}a{text-decoration:none;color:inherit}button,input,textarea,select{font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 20px}