:root{--primary: #0066cc;--primary-dark: #004c99;--primary-light: #3399ff;--primary-lightest: #e6f2ff;--secondary: #00cc99;--secondary-dark: #009973;--secondary-light: #33d9b3;--success: #28a745;--success-light: #d4edda;--success-dark: #155724;--warning: #ffc107;--warning-light: #fff3cd;--warning-dark: #856404;--danger: #dc3545;--danger-light: #f8d7da;--danger-dark: #721c24;--info: #17a2b8;--info-light: #d1ecf1;--info-dark: #0c5460;--white: #ffffff;--gray-50: #f8f9fa;--gray-100: #f1f3f5;--gray-200: #e9ecef;--gray-300: #dee2e6;--gray-400: #ced4da;--gray-500: #adb5bd;--gray-600: #6c757d;--gray-700: #495057;--gray-800: #343a40;--gray-900: #212529;--black: #000000;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .05);--shadow-sm: 0 2px 4px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .15);--shadow-xl: 0 16px 48px rgba(0, 0, 0, .2);--shadow-2xl: 0 24px 64px rgba(0, 0, 0, .25);--shadow-primary: 0 4px 12px rgba(0, 102, 204, .2);--shadow-success: 0 4px 12px rgba(40, 167, 69, .2);--shadow-danger: 0 4px 12px rgba(220, 53, 69, .2);--font-family-base: "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;--font-family-mono: "Courier New", Courier, monospace;--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-size-5xl: 3rem;--font-weight-light: 300;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--font-weight-extrabold: 800;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--line-height-loose: 2;--spacing-1: .25rem;--spacing-2: .5rem;--spacing-3: .75rem;--spacing-4: 1rem;--spacing-5: 1.25rem;--spacing-6: 1.5rem;--spacing-8: 2rem;--spacing-10: 2.5rem;--spacing-12: 3rem;--spacing-16: 4rem;--spacing-20: 5rem;--spacing-24: 6rem;--border-width: 1px;--border-width-thick: 2px;--border-width-thicker: 4px;--border-radius-sm: 4px;--border-radius: 8px;--border-radius-md: 12px;--border-radius-lg: 16px;--border-radius-xl: 24px;--border-radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: .5s cubic-bezier(.4, 0, .2, 1);--transition-all: all var(--transition-base);--transition-colors: color var(--transition-base), background-color var(--transition-base), border-color var(--transition-base);--transition-transform: transform var(--transition-base);--z-dropdown: 1000;--z-sticky: 1020;--z-fixed: 1030;--z-modal-backdrop: 1040;--z-modal: 1050;--z-popover: 1060;--z-tooltip: 1070;--container-max-width: 1200px;--container-padding: var(--spacing-4);--header-height: 64px;--sidebar-width: 280px;--footer-height: 80px;--breakpoint-xs: 0;--breakpoint-sm: 576px;--breakpoint-md: 768px;--breakpoint-lg: 992px;--breakpoint-xl: 1200px;--breakpoint-xxl: 1400px}@media(prefers-color-scheme:dark){:root{--background-default: var(--gray-900);--background-paper: var(--gray-800);--text-primary: var(--gray-100);--text-secondary: var(--gray-400)}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;scroll-behavior:smooth}body{font-family:var(--font-family-base);font-size:var(--font-size-base);font-weight:var(--font-weight-normal);line-height:var(--line-height-normal);min-height:100vh;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-bold);line-height:var(--line-height-tight);margin-bottom:var(--spacing-4)}h1{font-size:var(--font-size-5xl)}h2{font-size:var(--font-size-4xl)}h3{font-size:var(--font-size-3xl)}h4{font-size:var(--font-size-2xl)}h5{font-size:var(--font-size-xl)}h6{font-size:var(--font-size-lg)}p{margin-bottom:var(--spacing-4);line-height:var(--line-height-relaxed)}a{color:var(--primary);text-decoration:none;transition:var(--transition-colors)}a:hover{color:var(--primary-dark);text-decoration:underline}strong,b{font-weight:var(--font-weight-bold)}code,pre{font-family:var(--font-family-mono);font-size:.875em}::-webkit-scrollbar{width:12px;height:12px}::-webkit-scrollbar-track{background:var(--gray-100)}::-webkit-scrollbar-thumb{background:var(--gray-400);border-radius:var(--border-radius)}::-webkit-scrollbar-thumb:hover{background:var(--gray-500)}::selection{background-color:var(--primary-lightest);color:var(--primary-dark)}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--primary);outline-offset:2px}img,picture,video,canvas,svg{display:block;max-width:100%;height:auto}input,button,textarea,select{font:inherit}button{cursor:pointer;border:none;background:none}button:disabled{cursor:not-allowed;opacity:.6}.container{width:100%;max-width:var(--container-max-width);margin:0 auto;padding:0 var(--container-padding)}@media(max-width:768px){html{font-size:14px}h1{font-size:var(--font-size-4xl)}h2{font-size:var(--font-size-3xl)}h3{font-size:var(--font-size-2xl)}}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh;width:100%;display:flex;flex-direction:column}