*{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-success: #10b981;--color-danger: #ef4444;--color-warning: #f59e0b;--color-text: #1f2937;--color-text-secondary: #6b7280;--color-border: #e5e7eb;--color-bg: #ffffff;--color-bg-secondary: #f9fafb;--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);--radius: 8px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--color-text);background-color:var(--color-bg-secondary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}button{font-family:inherit;cursor:pointer;border:none;outline:none;transition:all .2s}button:active{transform:scale(.98)}input,textarea{font-family:inherit;border:1px solid var(--color-border);border-radius:var(--radius);padding:.75rem;font-size:1rem;transition:border-color .2s}input:focus,textarea:focus{outline:none;border-color:var(--color-primary)}.container{max-width:800px;margin:0 auto;padding:0 1rem}.btn{padding:.75rem 1.5rem;border-radius:var(--radius);font-weight:500;font-size:1rem;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;transition:all .2s}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-hover)}.btn-secondary{background-color:var(--color-bg);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background-color:var(--color-bg-secondary)}.btn-danger{background-color:var(--color-danger);color:#fff}.btn-danger:hover{background-color:#dc2626}.btn-small{padding:.5rem 1rem;font-size:.875rem}.btn-icon{padding:.5rem;border-radius:50%;display:inline-flex;align-items:center;justify-content:center}.card{background-color:var(--color-bg);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}.badge{display:inline-block;padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:600;text-transform:uppercase}.badge-success{background-color:#d1fae5;color:#065f46}.badge-warning{background-color:#fef3c7;color:#92400e}.badge-danger{background-color:#fee2e2;color:#991b1b}.badge-info{background-color:#dbeafe;color:#1e40af}