:root{--primary: #1e40af;--primary-light: #dbeafe;--primary-dark: #1e3a8a;--primary-hover: #2563eb;--primary-blue: #1e40af;--primary-blue-light: #3b82f6;--primary-blue-dark: #1e3a8a;--primary-blue-hover: #2563eb;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-card: #ffffff;--bg-hover: #f1f5f9;--text-primary: #0f172a;--text-secondary: #64748b;--text-muted: #94a3b8;--border-color: #e2e8f0;--border-light: #f1f5f9;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--danger: #ef4444;--info: #3b82f6;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--header-height: 70px;--border-radius: 8px;--border-radius-lg: 12px;--border-radius-xl: 16px;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--transition-fast: .15s ease-in-out;--transition-base: .2s ease-in-out;--transition-slow: .3s ease-in-out}*{box-sizing:border-box}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-secondary);color:var(--text-primary);line-height:1.6}#root{width:100%;min-height:100vh;margin:0;padding:0}h1,h2,h3,h4,h5,h6{margin:0;font-weight:var(--font-weight-semibold);line-height:1.2}p{margin:0}a{color:var(--primary-blue);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--primary-blue-hover)}button{font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit}.app-layout{min-height:100vh;display:flex;flex-direction:column;background-color:var(--bg-secondary)}.main-content{flex:1;width:100%;max-width:1400px;margin:0 auto;padding:var(--spacing-xl)}@media(max-width:768px){.main-content{padding:var(--spacing-md)}}.app{margin:0;padding:0;width:100%;height:100vh;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.loading-container{display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;background:#f5f7fa}.loading-spinner{width:40px;height:40px;border:4px solid #e3f2fd;border-top:4px solid #667eea;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:16px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-container p{color:#666;font-size:16px;margin:0}