*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color:#2563eb;--primary-dark:#1e40af;--secondary-color:#64748b;--success-color:#10b981;--warning-color:#f59e0b;--danger-color:#ef4444;--bg-color:#fff;--bg-secondary:#f8fafc;--text-primary:#1e293b;--text-secondary:#64748b;--border-color:#e2e8f0;--shadow:0 1px 3px 0 rgba(0,0,0,.1),0 1px 2px -1px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1)}body{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}a{color:var(--primary-color);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none}button,input,select,textarea{font-family:inherit;outline:none}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.btn{padding:.75rem 1.5rem;border-radius:.5rem;font-weight:500;transition:all .2s;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-dark);text-decoration:none}.btn-secondary{background-color:var(--bg-color);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:var(--bg-secondary);text-decoration:none}.btn-danger{background-color:var(--danger-color);color:#fff}.btn-danger:hover{background-color:#dc2626;text-decoration:none}.card{background:var(--bg-color);border-radius:.75rem;padding:1.5rem;box-shadow:var(--shadow)}.input{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:.5rem;font-size:1rem;transition:border-color .2s}.input:focus{border-color:var(--primary-color)}