:root{--color-bg-primary: #ffffff;--color-bg-secondary: #f8f9fa;--color-bg-tertiary: #f3f4f6;--color-bg-hover: #f0f1f3;--color-text-primary: #1f2937;--color-text-secondary: #6b7280;--color-text-tertiary: #9ca3af;--color-border: #e5e7eb;--color-border-dark: #d1d5db;--color-primary: #0066ff;--color-primary-dark: #0052cc;--color-primary-light: #e0ecff;--color-secondary: #8b5cf6;--color-secondary-light: #f3e8ff;--color-success: #10b981;--color-success-light: #d1fae5;--color-warning: #f59e0b;--color-warning-light: #fef3c7;--color-error: #ef4444;--color-error-light: #fee2e2;--color-info: #3b82f6;--color-info-light: #dbeafe;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--color-bg-primary);color:var(--color-text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}a{text-decoration:none;color:var(--color-primary);transition:color .2s ease}a:hover{color:var(--color-primary-dark)}img{display:block;max-width:100%}@keyframes fadeInScale{0%{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.text-primary{color:var(--color-text-primary)}.text-secondary{color:var(--color-text-secondary)}.bg-primary{background-color:var(--color-bg-primary)}.bg-secondary{background-color:var(--color-bg-secondary)}.border{border:1px solid var(--color-border)}.shadow-md{box-shadow:var(--shadow-md)}.shadow-lg{box-shadow:var(--shadow-lg)}