*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #667eea;--primary-dark: #5568d3;--secondary-color: #764ba2;--success-color: #48bb78;--warning-color: #ed8936;--danger-color: #f56565;--text-primary: #2d3748;--text-secondary: #4a5568;--text-muted: #718096;--bg-primary: #ffffff;--bg-secondary: #f7fafc;--bg-tertiary: #edf2f7;--border-color: #e2e8f0;--shadow: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .06);--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)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text-primary);background-color:var(--bg-secondary);line-height:1.6}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;margin-bottom:.5em}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.75rem}h4{font-size:1.5rem}h5{font-size:1.25rem}h6{font-size:1rem}a{color:var(--primary-color);text-decoration:none;transition:color .2s}a:hover{color:var(--primary-dark)}button{font-family:inherit;cursor:pointer}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{display:inline-block;padding:10px 20px;border:none;border-radius:6px;font-size:14px;font-weight:500;text-align:center;transition:all .2s;cursor:pointer}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);color:#fff}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary)}.btn-secondary:hover:not(:disabled){background:var(--border-color)}.btn-outline{background:transparent;border:2px solid var(--primary-color);color:var(--primary-color)}.btn-outline:hover:not(:disabled){background:var(--primary-color);color:#fff}.card{background:var(--bg-primary);border-radius:8px;box-shadow:var(--shadow);padding:20px;transition:box-shadow .2s}.card:hover{box-shadow:var(--shadow-md)}.badge{display:inline-block;padding:4px 12px;border-radius:12px;font-size:12px;font-weight:500}.badge-primary{background:#e6eeff;color:var(--primary-color)}.badge-success{background:#e6fff0;color:var(--success-color)}.badge-warning{background:#fff5e6;color:var(--warning-color)}.badge-danger{background:#ffe6e6;color:var(--danger-color)}.loading{display:flex;justify-content:center;align-items:center;min-height:400px}.spinner{border:4px solid var(--bg-tertiary);border-top-color:var(--primary-color);border-radius:50%;width:40px;height:40px;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}